wp-includes/class-wp-xmlrpc-server.php

   1 <?php
   2 /**
   3  * XML-RPC protocol support for WordPress
   4  *
   5  * @package WordPress
   6  */
   7
   8 /**
   9  * WordPress XMLRPC server implementation.
  10  *
  11  * Implements compatibility for Blogger API, MetaWeblog API, MovableType, and
  12  * pingback. Additional WordPress API for managing comments, pages, posts,
  13  * options, etc.
  14  *
  15  * As of WordPress 3.5.0, XML-RPC is enabled by default. It can be disabled
  16  * via the xmlrpc_enabled filter found in wp_xmlrpc_server::login().
  17  *
  18  * @package WordPress
  19  * @subpackage Publishing
  20  * @since 1.5.0
  21  */
  22 class wp_xmlrpc_server extends IXR_Server {
  23
  24         /**
  25          * Register all of the XMLRPC methods that XMLRPC server understands.
  26          *
  27          * Sets up server and method property. Passes XMLRPC
  28          * methods through the 'xmlrpc_methods' filter to allow plugins to extend
  29          * or replace XMLRPC methods.
  30          *
  31          * @since 1.5.0
  32          *
  33          * @return wp_xmlrpc_server
  34          */
  35         function __construct() {
  36                 $this->methods = array(
  37                         // WordPress API
  38                         'wp.getUsersBlogs'              => 'this:wp_getUsersBlogs',
  39                         'wp.newPost'                    => 'this:wp_newPost',
  40                         'wp.editPost'                   => 'this:wp_editPost',
  41                         'wp.deletePost'                 => 'this:wp_deletePost',
  42                         'wp.getPost'                    => 'this:wp_getPost',
  43                         'wp.getPosts'                   => 'this:wp_getPosts',
  44                         'wp.newTerm'                    => 'this:wp_newTerm',
  45                         'wp.editTerm'                   => 'this:wp_editTerm',
  46                         'wp.deleteTerm'                 => 'this:wp_deleteTerm',
  47                         'wp.getTerm'                    => 'this:wp_getTerm',
  48                         'wp.getTerms'                   => 'this:wp_getTerms',
  49                         'wp.getTaxonomy'                => 'this:wp_getTaxonomy',
  50                         'wp.getTaxonomies'              => 'this:wp_getTaxonomies',
  51                         'wp.getUser'                    => 'this:wp_getUser',
  52                         'wp.getUsers'                   => 'this:wp_getUsers',
  53                         'wp.getProfile'                 => 'this:wp_getProfile',
  54                         'wp.editProfile'                => 'this:wp_editProfile',
  55                         'wp.getPage'                    => 'this:wp_getPage',
  56                         'wp.getPages'                   => 'this:wp_getPages',
  57                         'wp.newPage'                    => 'this:wp_newPage',
  58                         'wp.deletePage'                 => 'this:wp_deletePage',
  59                         'wp.editPage'                   => 'this:wp_editPage',
  60                         'wp.getPageList'                => 'this:wp_getPageList',
  61                         'wp.getAuthors'                 => 'this:wp_getAuthors',
  62                         'wp.getCategories'              => 'this:mw_getCategories',             // Alias
  63                         'wp.getTags'                    => 'this:wp_getTags',
  64                         'wp.newCategory'                => 'this:wp_newCategory',
  65                         'wp.deleteCategory'             => 'this:wp_deleteCategory',
  66                         'wp.suggestCategories'  => 'this:wp_suggestCategories',
  67                         'wp.uploadFile'                 => 'this:mw_newMediaObject',    // Alias
  68                         'wp.getCommentCount'    => 'this:wp_getCommentCount',
  69                         'wp.getPostStatusList'  => 'this:wp_getPostStatusList',
  70                         'wp.getPageStatusList'  => 'this:wp_getPageStatusList',
  71                         'wp.getPageTemplates'   => 'this:wp_getPageTemplates',
  72                         'wp.getOptions'                 => 'this:wp_getOptions',
  73                         'wp.setOptions'                 => 'this:wp_setOptions',
  74                         'wp.getComment'                 => 'this:wp_getComment',
  75                         'wp.getComments'                => 'this:wp_getComments',
  76                         'wp.deleteComment'              => 'this:wp_deleteComment',
  77                         'wp.editComment'                => 'this:wp_editComment',
  78                         'wp.newComment'                 => 'this:wp_newComment',
  79                         'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
  80                         'wp.getMediaItem'               => 'this:wp_getMediaItem',
  81                         'wp.getMediaLibrary'    => 'this:wp_getMediaLibrary',
  82                         'wp.getPostFormats'     => 'this:wp_getPostFormats',
  83                         'wp.getPostType'                => 'this:wp_getPostType',
  84                         'wp.getPostTypes'               => 'this:wp_getPostTypes',
  85                         'wp.getRevisions'               => 'this:wp_getRevisions',
  86                         'wp.restoreRevision'    => 'this:wp_restoreRevision',
  87
  88                         // Blogger API
  89                         'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
  90                         'blogger.getUserInfo' => 'this:blogger_getUserInfo',
  91                         'blogger.getPost' => 'this:blogger_getPost',
  92                         'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
  93                         'blogger.newPost' => 'this:blogger_newPost',
  94                         'blogger.editPost' => 'this:blogger_editPost',
  95                         'blogger.deletePost' => 'this:blogger_deletePost',
  96
  97                         // MetaWeblog API (with MT extensions to structs)
  98                         'metaWeblog.newPost' => 'this:mw_newPost',
  99                         'metaWeblog.editPost' => 'this:mw_editPost',
 100                         'metaWeblog.getPost' => 'this:mw_getPost',
 101                         'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
 102                         'metaWeblog.getCategories' => 'this:mw_getCategories',
 103                         'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',
 104
 105                         // MetaWeblog API aliases for Blogger API
 106                         // see http://www.xmlrpc.com/stories/storyReader$2460
 107                         'metaWeblog.deletePost' => 'this:blogger_deletePost',
 108                         'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',
 109
 110                         // MovableType API
 111                         'mt.getCategoryList' => 'this:mt_getCategoryList',
 112                         'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
 113                         'mt.getPostCategories' => 'this:mt_getPostCategories',
 114                         'mt.setPostCategories' => 'this:mt_setPostCategories',
 115                         'mt.supportedMethods' => 'this:mt_supportedMethods',
 116                         'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
 117                         'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
 118                         'mt.publishPost' => 'this:mt_publishPost',
 119
 120                         // PingBack
 121                         'pingback.ping' => 'this:pingback_ping',
 122                         'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',
 123
 124                         'demo.sayHello' => 'this:sayHello',
 125                         'demo.addTwoNumbers' => 'this:addTwoNumbers'
 126                 );
 127
 128                 $this->initialise_blog_option_info();
 129                 $this->methods = apply_filters('xmlrpc_methods', $this->methods);
 130         }
 131
 132         function serve_request() {
 133                 $this->IXR_Server($this->methods);
 134         }
 135
 136         /**
 137          * Test XMLRPC API by saying, "Hello!" to client.
 138          *
 139          * @since 1.5.0
 140          *
 141          * @param array $args Method Parameters.
 142          * @return string
 143          */
 144         function sayHello($args) {
 145                 return 'Hello!';
 146         }
 147
 148         /**
 149          * Test XMLRPC API by adding two numbers for client.
 150          *
 151          * @since 1.5.0
 152          *
 153          * @param array $args Method Parameters.
 154          * @return int
 155          */
 156         function addTwoNumbers($args) {
 157                 $number1 = $args[0];
 158                 $number2 = $args[1];
 159                 return $number1 + $number2;
 160         }
 161
 162         /**
 163          * Log user in.
 164          *
 165          * @since 2.8.0
 166          *
 167          * @param string $username User's username.
 168          * @param string $password User's password.
 169          * @return mixed WP_User object if authentication passed, false otherwise
 170          */
 171         function login( $username, $password ) {
 172                 // Respect any old filters against get_option() for 'enable_xmlrpc'.
 173                 $enabled = apply_filters( 'pre_option_enable_xmlrpc', false ); // Deprecated
 174                 if ( false === $enabled )
 175                         $enabled = apply_filters( 'option_enable_xmlrpc', true ); // Deprecated
 176
 177                 // Proper filter for turning off XML-RPC. It is on by default.
 178                 $enabled = apply_filters( 'xmlrpc_enabled', $enabled );
 179
 180                 if ( ! $enabled ) {
 181                         $this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this site.' ) ) );
 182                         return false;
 183                 }
 184
 185                 $user = wp_authenticate($username, $password);
 186
 187                 if (is_wp_error($user)) {
 188                         $this->error = new IXR_Error( 403, __( 'Incorrect username or password.' ) );
 189                         $this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user );
 190                         return false;
 191                 }
 192
 193                 wp_set_current_user( $user->ID );
 194                 return $user;
 195         }
 196
 197         /**
 198          * Check user's credentials. Deprecated.
 199          *
 200          * @since 1.5.0
 201          * @deprecated 2.8.0
 202          * @deprecated use wp_xmlrpc_server::login
 203          * @see wp_xmlrpc_server::login
 204          *
 205          * @param string $username User's username.
 206          * @param string $password User's password.
 207          * @return bool Whether authentication passed.
 208          */
 209         function login_pass_ok( $username, $password ) {
 210                 return (bool) $this->login( $username, $password );
 211         }
 212
 213         /**
 214          * Escape string or array of strings for database.
 215          *
 216          * @since 1.5.2
 217          *
 218          * @param string|array $data Escape single string or array of strings.
 219          * @return string|array Type matches $data and sanitized for the database.
 220          */
 221         function escape( &$data ) {
 222                 if ( ! is_array( $data ) )
 223                         return wp_slash( $data );
 224
 225                 foreach ( $data as &$v ) {
 226                         if ( is_array( $v ) )
 227                                 $this->escape( $v );
 228                         elseif ( ! is_object( $v ) )
 229                                 $v = wp_slash( $v );
 230                 }
 231         }
 232
 233         /**
 234          * Retrieve custom fields for post.
 235          *
 236          * @since 2.5.0
 237          *
 238          * @param int $post_id Post ID.
 239          * @return array Custom fields, if exist.
 240          */
 241         function get_custom_fields($post_id) {
 242                 $post_id = (int) $post_id;
 243
 244                 $custom_fields = array();
 245
 246                 foreach ( (array) has_meta($post_id) as $meta ) {
 247                         // Don't expose protected fields.
 248                         if ( ! current_user_can( 'edit_post_meta', $post_id , $meta['meta_key'] ) )
 249                                 continue;
 250
 251                         $custom_fields[] = array(
 252                                 "id"    => $meta['meta_id'],
 253                                 "key"   => $meta['meta_key'],
 254                                 "value" => $meta['meta_value']
 255                         );
 256                 }
 257
 258                 return $custom_fields;
 259         }
 260
 261         /**
 262          * Set custom fields for post.
 263          *
 264          * @since 2.5.0
 265          *
 266          * @param int $post_id Post ID.
 267          * @param array $fields Custom fields.
 268          */
 269         function set_custom_fields($post_id, $fields) {
 270                 $post_id = (int) $post_id;
 271
 272                 foreach ( (array) $fields as $meta ) {
 273                         if ( isset($meta['id']) ) {
 274                                 $meta['id'] = (int) $meta['id'];
 275                                 $pmeta = get_metadata_by_mid( 'post', $meta['id'] );
 276                                 if ( isset($meta['key']) ) {
 277                                         $meta['key'] = wp_unslash( $meta['key'] );
 278                                         if ( $meta['key'] !== $pmeta->meta_key )
 279                                                 continue;
 280                                         $meta['value'] = wp_unslash( $meta['value'] );
 281                                         if ( current_user_can( 'edit_post_meta', $post_id, $meta['key'] ) )
 282                                                 update_metadata_by_mid( 'post', $meta['id'], $meta['value'] );
 283                                 } elseif ( current_user_can( 'delete_post_meta', $post_id, $pmeta->meta_key ) ) {
 284                                         delete_metadata_by_mid( 'post', $meta['id'] );
 285                                 }
 286                         } elseif ( current_user_can( 'add_post_meta', $post_id, wp_unslash( $meta['key'] ) ) ) {
 287                                 add_post_meta( $post_id, $meta['key'], $meta['value'] );
 288                         }
 289                 }
 290         }
 291
 292         /**
 293          * Set up blog options property.
 294          *
 295          * Passes property through 'xmlrpc_blog_options' filter.
 296          *
 297          * @since 2.6.0
 298          */
 299         function initialise_blog_option_info() {
 300                 global $wp_version;
 301
 302                 $this->blog_options = array(
 303                         // Read only options
 304                         'software_name'     => array(
 305                                 'desc'          => __( 'Software Name' ),
 306                                 'readonly'      => true,
 307                                 'value'         => 'WordPress'
 308                         ),
 309                         'software_version'  => array(
 310                                 'desc'          => __( 'Software Version' ),
 311                                 'readonly'      => true,
 312                                 'value'         => $wp_version
 313                         ),
 314                         'blog_url'          => array(
 315                                 'desc'          => __( 'WordPress Address (URL)' ),
 316                                 'readonly'      => true,
 317                                 'option'        => 'siteurl'
 318                         ),
 319                         'home_url'          => array(
 320                                 'desc'          => __( 'Site Address (URL)' ),
 321                                 'readonly'      => true,
 322                                 'option'        => 'home'
 323                         ),
 324                         'login_url'          => array(
 325                                 'desc'          => __( 'Login Address (URL)' ),
 326                                 'readonly'      => true,
 327                                 'value'         => wp_login_url( )
 328                         ),
 329                         'admin_url'          => array(
 330                                 'desc'          => __( 'The URL to the admin area' ),
 331                                 'readonly'      => true,
 332                                 'value'         => get_admin_url( )
 333                         ),
 334                         'image_default_link_type' => array(
 335                                 'desc'          => __( 'Image default link type' ),
 336                                 'readonly'      => true,
 337                                 'option'        => 'image_default_link_type'
 338                         ),
 339                         'image_default_size' => array(
 340                                 'desc'          => __( 'Image default size' ),
 341                                 'readonly'      => true,
 342                                 'option'        => 'image_default_size'
 343                         ),
 344                         'image_default_align' => array(
 345                                 'desc'          => __( 'Image default align' ),
 346                                 'readonly'      => true,
 347                                 'option'        => 'image_default_align'
 348                         ),
 349                         'template'          => array(
 350                                 'desc'          => __( 'Template' ),
 351                                 'readonly'      => true,
 352                                 'option'        => 'template'
 353                         ),
 354                         'stylesheet'        => array(
 355                                 'desc'          => __( 'Stylesheet' ),
 356                                 'readonly'      => true,
 357                                 'option'        => 'stylesheet'
 358                         ),
 359                         'post_thumbnail'    => array(
 360                                 'desc'          => __('Post Thumbnail'),
 361                                 'readonly'      => true,
 362                                 'value'         => current_theme_supports( 'post-thumbnails' )
 363                         ),
 364
 365                         // Updatable options
 366                         'time_zone'         => array(
 367                                 'desc'          => __( 'Time Zone' ),
 368                                 'readonly'      => false,
 369                                 'option'        => 'gmt_offset'
 370                         ),
 371                         'blog_title'        => array(
 372                                 'desc'          => __( 'Site Title' ),
 373                                 'readonly'      => false,
 374                                 'option'        => 'blogname'
 375                         ),
 376                         'blog_tagline'      => array(
 377                                 'desc'          => __( 'Site Tagline' ),
 378                                 'readonly'      => false,
 379                                 'option'        => 'blogdescription'
 380                         ),
 381                         'date_format'       => array(
 382                                 'desc'          => __( 'Date Format' ),
 383                                 'readonly'      => false,
 384                                 'option'        => 'date_format'
 385                         ),
 386                         'time_format'       => array(
 387                                 'desc'          => __( 'Time Format' ),
 388                                 'readonly'      => false,
 389                                 'option'        => 'time_format'
 390                         ),
 391                         'users_can_register' => array(
 392                                 'desc'          => __( 'Allow new users to sign up' ),
 393                                 'readonly'      => false,
 394                                 'option'        => 'users_can_register'
 395                         ),
 396                         'thumbnail_size_w'  => array(
 397                                 'desc'          => __( 'Thumbnail Width' ),
 398                                 'readonly'      => false,
 399                                 'option'        => 'thumbnail_size_w'
 400                         ),
 401                         'thumbnail_size_h'  => array(
 402                                 'desc'          => __( 'Thumbnail Height' ),
 403                                 'readonly'      => false,
 404                                 'option'        => 'thumbnail_size_h'
 405                         ),
 406                         'thumbnail_crop'    => array(
 407                                 'desc'          => __( 'Crop thumbnail to exact dimensions' ),
 408                                 'readonly'      => false,
 409                                 'option'        => 'thumbnail_crop'
 410                         ),
 411                         'medium_size_w'     => array(
 412                                 'desc'          => __( 'Medium size image width' ),
 413                                 'readonly'      => false,
 414                                 'option'        => 'medium_size_w'
 415                         ),
 416                         'medium_size_h'     => array(
 417                                 'desc'          => __( 'Medium size image height' ),
 418                                 'readonly'      => false,
 419                                 'option'        => 'medium_size_h'
 420                         ),
 421                         'large_size_w'      => array(
 422                                 'desc'          => __( 'Large size image width' ),
 423                                 'readonly'      => false,
 424                                 'option'        => 'large_size_w'
 425                         ),
 426                         'large_size_h'      => array(
 427                                 'desc'          => __( 'Large size image height' ),
 428                                 'readonly'      => false,
 429                                 'option'        => 'large_size_h'
 430                         ),
 431                         'default_comment_status' => array(
 432                                 'desc'          => __( 'Allow people to post comments on new articles' ),
 433                                 'readonly'      => false,
 434                                 'option'        => 'default_comment_status'
 435                         ),
 436                         'default_ping_status' => array(
 437                                 'desc'          => __( 'Allow link notifications from other blogs (pingbacks and trackbacks)' ),
 438                                 'readonly'      => false,
 439                                 'option'        => 'default_ping_status'
 440                         )
 441                 );
 442
 443                 $this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
 444         }
 445
 446         /**
 447          * Retrieve the blogs of the user.
 448          *
 449          * @since 2.6.0
 450          *
 451          * @param array $args Method parameters. Contains:
 452          *  - username
 453          *  - password
 454          * @return array. Contains:
 455          *  - 'isAdmin'
 456          *  - 'url'
 457          *  - 'blogid'
 458          *  - 'blogName'
 459          *  - 'xmlrpc' - url of xmlrpc endpoint
 460          */
 461         function wp_getUsersBlogs( $args ) {
 462                 // If this isn't on WPMU then just use blogger_getUsersBlogs
 463                 if ( !is_multisite() ) {
 464                         array_unshift( $args, 1 );
 465                         return $this->blogger_getUsersBlogs( $args );
 466                 }
 467
 468                 $this->escape( $args );
 469
 470                 $username = $args[0];
 471                 $password = $args[1];
 472
 473                 if ( !$user = $this->login($username, $password) )
 474                         return $this->error;
 475
 476                 do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
 477
 478                 $blogs = (array) get_blogs_of_user( $user->ID );
 479                 $struct = array();
 480
 481                 foreach ( $blogs as $blog ) {
 482                         // Don't include blogs that aren't hosted at this site
 483                         if ( $blog->site_id != get_current_site()->id )
 484                                 continue;
 485
 486                         $blog_id = $blog->userblog_id;
 487
 488                         switch_to_blog( $blog_id );
 489
 490                         $is_admin = current_user_can( 'manage_options' );
 491
 492                         $struct[] = array(
 493                                 'isAdmin'               => $is_admin,
 494                                 'url'                   => home_url( '/' ),
 495                                 'blogid'                => (string) $blog_id,
 496                                 'blogName'              => get_option( 'blogname' ),
 497                                 'xmlrpc'                => site_url( 'xmlrpc.php', 'rpc' ),
 498                         );
 499
 500                         restore_current_blog();
 501                 }
 502
 503                 return $struct;
 504         }
 505
 506         /**
 507          * Checks if the method received at least the minimum number of arguments.
 508          *
 509          * @since 3.4.0
 510          *
 511          * @param string|array $args Sanitize single string or array of strings.
 512          * @param int $count Minimum number of arguments.
 513          * @return boolean if $args contains at least $count arguments.
 514          */
 515         protected function minimum_args( $args, $count ) {
 516                 if ( count( $args ) < $count ) {
 517                         $this->error = new IXR_Error( 400, __( 'Insufficient arguments passed to this XML-RPC method.' ) );
 518                         return false;
 519                 }
 520
 521                 return true;
 522         }
 523
 524         /**
 525          * Prepares taxonomy data for return in an XML-RPC object.
 526          *
 527          * @access protected
 528          *
 529          * @param object $taxonomy The unprepared taxonomy data
 530          * @param array $fields The subset of taxonomy fields to return
 531          * @return array The prepared taxonomy data
 532          */
 533         protected function _prepare_taxonomy( $taxonomy, $fields ) {
 534                 $_taxonomy = array(
 535                         'name' => $taxonomy->name,
 536                         'label' => $taxonomy->label,
 537                         'hierarchical' => (bool) $taxonomy->hierarchical,
 538                         'public' => (bool) $taxonomy->public,
 539                         'show_ui' => (bool) $taxonomy->show_ui,
 540                         '_builtin' => (bool) $taxonomy->_builtin,
 541                 );
 542
 543                 if ( in_array( 'labels', $fields ) )
 544                         $_taxonomy['labels'] = (array) $taxonomy->labels;
 545
 546                 if ( in_array( 'cap', $fields ) )
 547                         $_taxonomy['cap'] = (array) $taxonomy->cap;
 548
 549                 if ( in_array( 'menu', $fields ) )
 550                         $_taxonomy['show_in_menu'] = (bool) $_taxonomy->show_in_menu;
 551
 552                 if ( in_array( 'object_type', $fields ) )
 553                         $_taxonomy['object_type'] = array_unique( (array) $taxonomy->object_type );
 554
 555                 return apply_filters( 'xmlrpc_prepare_taxonomy', $_taxonomy, $taxonomy, $fields );
 556         }
 557
 558         /**
 559          * Prepares term data for return in an XML-RPC object.
 560          *
 561          * @access protected
 562          *
 563          * @param array|object $term The unprepared term data
 564          * @return array The prepared term data
 565          */
 566         protected function _prepare_term( $term ) {
 567                 $_term = $term;
 568                 if ( ! is_array( $_term) )
 569                         $_term = get_object_vars( $_term );
 570
 571                 // For integers which may be larger than XML-RPC supports ensure we return strings.
 572                 $_term['term_id'] = strval( $_term['term_id'] );
 573                 $_term['term_group'] = strval( $_term['term_group'] );
 574                 $_term['term_taxonomy_id'] = strval( $_term['term_taxonomy_id'] );
 575                 $_term['parent'] = strval( $_term['parent'] );
 576
 577                 // Count we are happy to return as an integer because people really shouldn't use terms that much.
 578                 $_term['count'] = intval( $_term['count'] );
 579
 580                 return apply_filters( 'xmlrpc_prepare_term', $_term, $term );
 581         }
 582
 583         /**
 584          * Convert a WordPress date string to an IXR_Date object.
 585          *
 586          * @access protected
 587          *
 588          * @param string $date
 589          * @return IXR_Date
 590          */
 591         protected function _convert_date( $date ) {
 592                 if ( $date === '0000-00-00 00:00:00' ) {
 593                         return new IXR_Date( '00000000T00:00:00Z' );
 594                 }
 595                 return new IXR_Date( mysql2date( 'Ymd\TH:i:s', $date, false ) );
 596         }
 597
 598         /**
 599          * Convert a WordPress GMT date string to an IXR_Date object.
 600          *
 601          * @access protected
 602          *
 603          * @param string $date_gmt
 604          * @param string $date
 605          * @return IXR_Date
 606          */
 607         protected function _convert_date_gmt( $date_gmt, $date ) {
 608                 if ( $date !== '0000-00-00 00:00:00' && $date_gmt === '0000-00-00 00:00:00' ) {
 609                         return new IXR_Date( get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $date, false ), 'Ymd\TH:i:s' ) );
 610                 }
 611                 return $this->_convert_date( $date_gmt );
 612         }
 613
 614         /**
 615          * Prepares post data for return in an XML-RPC object.
 616          *
 617          * @access protected
 618          *
 619          * @param array $post The unprepared post data
 620          * @param array $fields The subset of post type fields to return
 621          * @return array The prepared post data
 622          */
 623         protected function _prepare_post( $post, $fields ) {
 624                 // holds the data for this post. built up based on $fields
 625                 $_post = array( 'post_id' => strval( $post['ID'] ) );
 626
 627                 // prepare common post fields
 628                 $post_fields = array(
 629                         'post_title'        => $post['post_title'],
 630                         'post_date'         => $this->_convert_date( $post['post_date'] ),
 631                         'post_date_gmt'     => $this->_convert_date_gmt( $post['post_date_gmt'], $post['post_date'] ),
 632                         'post_modified'     => $this->_convert_date( $post['post_modified'] ),
 633                         'post_modified_gmt' => $this->_convert_date_gmt( $post['post_modified_gmt'], $post['post_modified'] ),
 634                         'post_status'       => $post['post_status'],
 635                         'post_type'         => $post['post_type'],
 636                         'post_name'         => $post['post_name'],
 637                         'post_author'       => $post['post_author'],
 638                         'post_password'     => $post['post_password'],
 639                         'post_excerpt'      => $post['post_excerpt'],
 640                         'post_content'      => $post['post_content'],
 641                         'post_parent'       => strval( $post['post_parent'] ),
 642                         'post_mime_type'    => $post['post_mime_type'],
 643                         'link'              => post_permalink( $post['ID'] ),
 644                         'guid'              => $post['guid'],
 645                         'menu_order'        => intval( $post['menu_order'] ),
 646                         'comment_status'    => $post['comment_status'],
 647                         'ping_status'       => $post['ping_status'],
 648                         'sticky'            => ( $post['post_type'] === 'post' && is_sticky( $post['ID'] ) ),
 649                 );
 650
 651                 // Thumbnail
 652                 $post_fields['post_thumbnail'] = array();
 653                 $thumbnail_id = get_post_thumbnail_id( $post['ID'] );
 654                 if ( $thumbnail_id ) {
 655                         $thumbnail_size = current_theme_supports('post-thumbnail') ? 'post-thumbnail' : 'thumbnail';
 656                         $post_fields['post_thumbnail'] = $this->_prepare_media_item( get_post( $thumbnail_id ), $thumbnail_size );
 657                 }
 658
 659                 // Consider future posts as published
 660                 if ( $post_fields['post_status'] === 'future' )
 661                         $post_fields['post_status'] = 'publish';
 662
 663                 // Fill in blank post format
 664                 $post_fields['post_format'] = get_post_format( $post['ID'] );
 665                 if ( empty( $post_fields['post_format'] ) )
 666                         $post_fields['post_format'] = 'standard';
 667
 668                 // Merge requested $post_fields fields into $_post
 669                 if ( in_array( 'post', $fields ) ) {
 670                         $_post = array_merge( $_post, $post_fields );
 671                 } else {
 672                         $requested_fields = array_intersect_key( $post_fields, array_flip( $fields ) );
 673                         $_post = array_merge( $_post, $requested_fields );
 674                 }
 675
 676                 $all_taxonomy_fields = in_array( 'taxonomies', $fields );
 677
 678                 if ( $all_taxonomy_fields || in_array( 'terms', $fields ) ) {
 679                         $post_type_taxonomies = get_object_taxonomies( $post['post_type'], 'names' );
 680                         $terms = wp_get_object_terms( $post['ID'], $post_type_taxonomies );
 681                         $_post['terms'] = array();
 682                         foreach ( $terms as $term ) {
 683                                 $_post['terms'][] = $this->_prepare_term( $term );
 684                         }
 685                 }
 686
 687                 if ( in_array( 'custom_fields', $fields ) )
 688                         $_post['custom_fields'] = $this->get_custom_fields( $post['ID'] );
 689
 690                 if ( in_array( 'enclosure', $fields ) ) {
 691                         $_post['enclosure'] = array();
 692                         $enclosures = (array) get_post_meta( $post['ID'], 'enclosure' );
 693                         if ( ! empty( $enclosures ) ) {
 694                                 $encdata = explode( "\n", $enclosures[0] );
 695                                 $_post['enclosure']['url'] = trim( htmlspecialchars( $encdata[0] ) );
 696                                 $_post['enclosure']['length'] = (int) trim( $encdata[1] );
 697                                 $_post['enclosure']['type'] = trim( $encdata[2] );
 698                         }
 699                 }
 700
 701                 return apply_filters( 'xmlrpc_prepare_post', $_post, $post, $fields );
 702         }
 703
 704         /**
 705          * Prepares post data for return in an XML-RPC object.
 706          *
 707          * @access protected
 708          *
 709          * @param object $post_type Post type object
 710          * @param array $fields The subset of post fields to return
 711          * @return array The prepared post type data
 712          */
 713         protected function _prepare_post_type( $post_type, $fields ) {
 714                 $_post_type = array(
 715                         'name' => $post_type->name,
 716                         'label' => $post_type->label,
 717                         'hierarchical' => (bool) $post_type->hierarchical,
 718                         'public' => (bool) $post_type->public,
 719                         'show_ui' => (bool) $post_type->show_ui,
 720                         '_builtin' => (bool) $post_type->_builtin,
 721                         'has_archive' => (bool) $post_type->has_archive,
 722                         'supports' => get_all_post_type_supports( $post_type->name ),
 723                 );
 724
 725                 if ( in_array( 'labels', $fields ) ) {
 726                         $_post_type['labels'] = (array) $post_type->labels;
 727                 }
 728
 729                 if ( in_array( 'cap', $fields ) ) {
 730                         $_post_type['cap'] = (array) $post_type->cap;
 731                         $_post_type['map_meta_cap'] = (bool) $post_type->map_meta_cap;
 732                 }
 733
 734                 if ( in_array( 'menu', $fields ) ) {
 735                         $_post_type['menu_position'] = (int) $post_type->menu_position;
 736                         $_post_type['menu_icon'] = $post_type->menu_icon;
 737                         $_post_type['show_in_menu'] = (bool) $post_type->show_in_menu;
 738                 }
 739
 740                 if ( in_array( 'taxonomies', $fields ) )
 741                         $_post_type['taxonomies'] = get_object_taxonomies( $post_type->name, 'names' );
 742
 743                 return apply_filters( 'xmlrpc_prepare_post_type', $_post_type, $post_type );
 744         }
 745
 746         /**
 747          * Prepares media item data for return in an XML-RPC object.
 748          *
 749          * @access protected
 750          *
 751          * @param object $media_item The unprepared media item data
 752          * @param string $thumbnail_size The image size to use for the thumbnail URL
 753          * @return array The prepared media item data
 754          */
 755         protected function _prepare_media_item( $media_item, $thumbnail_size = 'thumbnail' ) {
 756                 $_media_item = array(
 757                         'attachment_id'    => strval( $media_item->ID ),
 758                         'date_created_gmt' => $this->_convert_date_gmt( $media_item->post_date_gmt, $media_item->post_date ),
 759                         'parent'           => $media_item->post_parent,
 760                         'link'             => wp_get_attachment_url( $media_item->ID ),
 761                         'title'            => $media_item->post_title,
 762                         'caption'          => $media_item->post_excerpt,
 763                         'description'      => $media_item->post_content,
 764                         'metadata'         => wp_get_attachment_metadata( $media_item->ID ),
 765                 );
 766
 767                 $thumbnail_src = image_downsize( $media_item->ID, $thumbnail_size );
 768                 if ( $thumbnail_src )
 769                         $_media_item['thumbnail'] = $thumbnail_src[0];
 770                 else
 771                         $_media_item['thumbnail'] = $_media_item['link'];
 772
 773                 return apply_filters( 'xmlrpc_prepare_media_item', $_media_item, $media_item, $thumbnail_size );
 774         }
 775
 776         /**
 777          * Prepares page data for return in an XML-RPC object.
 778          *
 779          * @access protected
 780          *
 781          * @param object $page The unprepared page data
 782          * @return array The prepared page data
 783          */
 784         protected function _prepare_page( $page ) {
 785                 // Get all of the page content and link.
 786                 $full_page = get_extended( $page->post_content );
 787                 $link = post_permalink( $page->ID );
 788
 789                 // Get info the page parent if there is one.
 790                 $parent_title = "";
 791                 if ( ! empty( $page->post_parent ) ) {
 792                         $parent = get_post( $page->post_parent );
 793                         $parent_title = $parent->post_title;
 794                 }
 795
 796                 // Determine comment and ping settings.
 797                 $allow_comments = comments_open( $page->ID ) ? 1 : 0;
 798                 $allow_pings = pings_open( $page->ID ) ? 1 : 0;
 799
 800                 // Format page date.
 801                 $page_date = $this->_convert_date( $page->post_date );
 802                 $page_date_gmt = $this->_convert_date_gmt( $page->post_date_gmt, $page->post_date );
 803
 804                 // Pull the categories info together.
 805                 $categories = array();
 806                 foreach ( wp_get_post_categories( $page->ID ) as $cat_id ) {
 807                         $categories[] = get_cat_name( $cat_id );
 808                 }
 809
 810                 // Get the author info.
 811                 $author = get_userdata( $page->post_author );
 812
 813                 $page_template = get_page_template_slug( $page->ID );
 814                 if ( empty( $page_template ) )
 815                         $page_template = 'default';
 816
 817                 $_page = array(
 818                         'dateCreated'            => $page_date,
 819                         'userid'                 => $page->post_author,
 820                         'page_id'                => $page->ID,
 821                         'page_status'            => $page->post_status,
 822                         'description'            => $full_page['main'],
 823                         'title'                  => $page->post_title,
 824                         'link'                   => $link,
 825                         'permaLink'              => $link,
 826                         'categories'             => $categories,
 827                         'excerpt'                => $page->post_excerpt,
 828                         'text_more'              => $full_page['extended'],
 829                         'mt_allow_comments'      => $allow_comments,
 830                         'mt_allow_pings'         => $allow_pings,
 831                         'wp_slug'                => $page->post_name,
 832                         'wp_password'            => $page->post_password,
 833                         'wp_author'              => $author->display_name,
 834                         'wp_page_parent_id'      => $page->post_parent,
 835                         'wp_page_parent_title'   => $parent_title,
 836                         'wp_page_order'          => $page->menu_order,
 837                         'wp_author_id'           => (string) $author->ID,
 838                         'wp_author_display_name' => $author->display_name,
 839                         'date_created_gmt'       => $page_date_gmt,
 840                         'custom_fields'          => $this->get_custom_fields( $page->ID ),
 841                         'wp_page_template'       => $page_template
 842                 );
 843
 844                 return apply_filters( 'xmlrpc_prepare_page', $_page, $page );
 845         }
 846
 847         /**
 848          * Prepares comment data for return in an XML-RPC object.
 849          *
 850          * @access protected
 851          *
 852          * @param object $comment The unprepared comment data
 853          * @return array The prepared comment data
 854          */
 855         protected function _prepare_comment( $comment ) {
 856                 // Format page date.
 857                 $comment_date = $this->_convert_date( $comment->comment_date );
 858                 $comment_date_gmt = $this->_convert_date_gmt( $comment->comment_date_gmt, $comment->comment_date );
 859
 860                 if ( '0' == $comment->comment_approved )
 861                         $comment_status = 'hold';
 862                 else if ( 'spam' == $comment->comment_approved )
 863                         $comment_status = 'spam';
 864                 else if ( '1' == $comment->comment_approved )
 865                         $comment_status = 'approve';
 866                 else
 867                         $comment_status = $comment->comment_approved;
 868
 869                 $_comment = array(
 870                         'date_created_gmt' => $comment_date_gmt,
 871                         'user_id'          => $comment->user_id,
 872                         'comment_id'       => $comment->comment_ID,
 873                         'parent'           => $comment->comment_parent,
 874                         'status'           => $comment_status,
 875                         'content'          => $comment->comment_content,
 876                         'link'             => get_comment_link($comment),
 877                         'post_id'          => $comment->comment_post_ID,
 878                         'post_title'       => get_the_title($comment->comment_post_ID),
 879                         'author'           => $comment->comment_author,
 880                         'author_url'       => $comment->comment_author_url,
 881                         'author_email'     => $comment->comment_author_email,
 882                         'author_ip'        => $comment->comment_author_IP,
 883                         'type'             => $comment->comment_type,
 884                 );
 885
 886                 return apply_filters( 'xmlrpc_prepare_comment', $_comment, $comment );
 887         }
 888
 889         /**
 890          * Prepares user data for return in an XML-RPC object.
 891          *
 892          * @access protected
 893          *
 894          * @param WP_User $user The unprepared user object
 895          * @param array $fields The subset of user fields to return
 896          * @return array The prepared user data
 897          */
 898         protected function _prepare_user( $user, $fields ) {
 899                 $_user = array( 'user_id' => strval( $user->ID ) );
 900
 901                 $user_fields = array(
 902                         'username'          => $user->user_login,
 903                         'first_name'        => $user->user_firstname,
 904                         'last_name'         => $user->user_lastname,
 905                         'registered'        => $this->_convert_date( $user->user_registered ),
 906                         'bio'               => $user->user_description,
 907                         'email'             => $user->user_email,
 908                         'nickname'          => $user->nickname,
 909                         'nicename'          => $user->user_nicename,
 910                         'url'               => $user->user_url,
 911                         'display_name'      => $user->display_name,
 912                         'roles'             => $user->roles,
 913                 );
 914
 915                 if ( in_array( 'all', $fields ) ) {
 916                         $_user = array_merge( $_user, $user_fields );
 917                 } else {
 918                         if ( in_array( 'basic', $fields ) ) {
 919                                 $basic_fields = array( 'username', 'email', 'registered', 'display_name', 'nicename' );
 920                                 $fields = array_merge( $fields, $basic_fields );
 921                         }
 922                         $requested_fields = array_intersect_key( $user_fields, array_flip( $fields ) );
 923                         $_user = array_merge( $_user, $requested_fields );
 924                 }
 925
 926                 return apply_filters( 'xmlrpc_prepare_user', $_user, $user, $fields );
 927         }
 928
 929         /**
 930          * Create a new post for any registered post type.
 931          *
 932          * @since 3.4.0
 933          *
 934          * @param array $args Method parameters. Contains:
 935          *  - int     $blog_id
 936          *  - string  $username
 937          *  - string  $password
 938          *  - array   $content_struct
 939          *      $content_struct can contain:
 940          *      - post_type (default: 'post')
 941          *      - post_status (default: 'draft')
 942          *      - post_title
 943          *      - post_author
 944          *      - post_excerpt
 945          *      - post_content
 946          *      - post_date_gmt | post_date
 947          *      - post_format
 948          *      - post_password
 949          *      - comment_status - can be 'open' | 'closed'
 950          *      - ping_status - can be 'open' | 'closed'
 951          *      - sticky
 952          *      - post_thumbnail - ID of a media item to use as the post thumbnail/featured image
 953          *      - custom_fields - array, with each element containing 'key' and 'value'
 954          *      - terms - array, with taxonomy names as keys and arrays of term IDs as values
 955          *      - terms_names - array, with taxonomy names as keys and arrays of term names as values
 956          *      - enclosure
 957          *      - any other fields supported by wp_insert_post()
 958          * @return string post_id
 959          */
 960         function wp_newPost( $args ) {
 961                 if ( ! $this->minimum_args( $args, 4 ) )
 962                         return $this->error;
 963
 964                 $this->escape( $args );
 965
 966                 $blog_id        = (int) $args[0];
 967                 $username       = $args[1];
 968                 $password       = $args[2];
 969                 $content_struct = $args[3];
 970
 971                 if ( ! $user = $this->login( $username, $password ) )
 972                         return $this->error;
 973
 974                 do_action( 'xmlrpc_call', 'wp.newPost' );
 975
 976                 unset( $content_struct['ID'] );
 977
 978                 return $this->_insert_post( $user, $content_struct );
 979         }
 980
 981         /**
 982          * Helper method for filtering out elements from an array.
 983          *
 984          * @since 3.4.0
 985          *
 986          * @param int $count Number to compare to one.
 987          */
 988         private function _is_greater_than_one( $count ) {
 989                 return $count > 1;
 990         }
 991
 992         /**
 993          * Helper method for wp_newPost and wp_editPost, containing shared logic.
 994          *
 995          * @since 3.4.0
 996          * @uses wp_insert_post()
 997          *
 998          * @param WP_User $user The post author if post_author isn't set in $content_struct.
 999          * @param array $content_struct Post data to insert.
1000          */
1001         protected function _insert_post( $user, $content_struct ) {
1002                 $defaults = array( 'post_status' => 'draft', 'post_type' => 'post', 'post_author' => 0,
1003                         'post_password' => '', 'post_excerpt' => '', 'post_content' => '', 'post_title' => '' );
1004
1005                 $post_data = wp_parse_args( $content_struct, $defaults );
1006
1007                 $post_type = get_post_type_object( $post_data['post_type'] );
1008                 if ( ! $post_type )
1009                         return new IXR_Error( 403, __( 'Invalid post type' ) );
1010
1011                 $update = ! empty( $post_data['ID'] );
1012
1013                 if ( $update ) {
1014                         if ( ! get_post( $post_data['ID'] ) )
1015                                 return new IXR_Error( 401, __( 'Invalid post ID.' ) );
1016                         if ( ! current_user_can( 'edit_post', $post_data['ID'] ) )
1017                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
1018                         if ( $post_data['post_type'] != get_post_type( $post_data['ID'] ) )
1019                                 return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
1020                 } else {
1021                         if ( ! current_user_can( $post_type->cap->create_posts ) || ! current_user_can( $post_type->cap->edit_posts ) )
1022                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to post on this site.' ) );
1023                 }
1024
1025                 switch ( $post_data['post_status'] ) {
1026                         case 'draft':
1027                         case 'pending':
1028                                 break;
1029                         case 'private':
1030                                 if ( ! current_user_can( $post_type->cap->publish_posts ) )
1031                                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to create private posts in this post type' ) );
1032                                 break;
1033                         case 'publish':
1034                         case 'future':
1035                                 if ( ! current_user_can( $post_type->cap->publish_posts ) )
1036                                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts in this post type' ) );
1037                                 break;
1038                         default:
1039                                 if ( ! get_post_status_object( $post_data['post_status'] ) )
1040                                         $post_data['post_status'] = 'draft';
1041                         break;
1042                 }
1043
1044                 if ( ! empty( $post_data['post_password'] ) && ! current_user_can( $post_type->cap->publish_posts ) )
1045                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to create password protected posts in this post type' ) );
1046
1047                 $post_data['post_author'] = absint( $post_data['post_author'] );
1048                 if ( ! empty( $post_data['post_author'] ) && $post_data['post_author'] != $user->ID ) {
1049                         if ( ! current_user_can( $post_type->cap->edit_others_posts ) )
1050                                 return new IXR_Error( 401, __( 'You are not allowed to create posts as this user.' ) );
1051
1052                         $author = get_userdata( $post_data['post_author'] );
1053
1054                         if ( ! $author )
1055                                 return new IXR_Error( 404, __( 'Invalid author ID.' ) );
1056                 } else {
1057                         $post_data['post_author'] = $user->ID;
1058                 }
1059
1060                 if ( isset( $post_data['comment_status'] ) && $post_data['comment_status'] != 'open' && $post_data['comment_status'] != 'closed' )
1061                         unset( $post_data['comment_status'] );
1062
1063                 if ( isset( $post_data['ping_status'] ) && $post_data['ping_status'] != 'open' && $post_data['ping_status'] != 'closed' )
1064                         unset( $post_data['ping_status'] );
1065
1066                 // Do some timestamp voodoo
1067                 if ( ! empty( $post_data['post_date_gmt'] ) ) {
1068                         // We know this is supposed to be GMT, so we're going to slap that Z on there by force
1069                         $dateCreated = rtrim( $post_data['post_date_gmt']->getIso(), 'Z' ) . 'Z';
1070                 } elseif ( ! empty( $post_data['post_date'] ) ) {
1071                         $dateCreated = $post_data['post_date']->getIso();
1072                 }
1073
1074                 if ( ! empty( $dateCreated ) ) {
1075                         $post_data['post_date'] = get_date_from_gmt( iso8601_to_datetime( $dateCreated ) );
1076                         $post_data['post_date_gmt'] = iso8601_to_datetime( $dateCreated, 'GMT' );
1077                 }
1078
1079                 if ( ! isset( $post_data['ID'] ) )
1080                         $post_data['ID'] = get_default_post_to_edit( $post_data['post_type'], true )->ID;
1081                 $post_ID = $post_data['ID'];
1082
1083                 if ( $post_data['post_type'] == 'post' ) {
1084                         // Private and password-protected posts cannot be stickied.
1085                         if ( $post_data['post_status'] == 'private' || ! empty( $post_data['post_password'] ) ) {
1086                                 // Error if the client tried to stick the post, otherwise, silently unstick.
1087                                 if ( ! empty( $post_data['sticky'] ) )
1088                                         return new IXR_Error( 401, __( 'Sorry, you cannot stick a private post.' ) );
1089                                 if ( $update )
1090                                         unstick_post( $post_ID );
1091                         } elseif ( isset( $post_data['sticky'] ) )  {
1092                                 if ( ! current_user_can( $post_type->cap->edit_others_posts ) )
1093                                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to stick this post.' ) );
1094                                 if ( $post_data['sticky'] )
1095                                         stick_post( $post_ID );
1096                                 else
1097                                         unstick_post( $post_ID );
1098                         }
1099                 }
1100
1101                 if ( isset( $post_data['post_thumbnail'] ) ) {
1102                         // empty value deletes, non-empty value adds/updates
1103                         if ( ! $post_data['post_thumbnail'] )
1104                                 delete_post_thumbnail( $post_ID );
1105                         elseif ( ! get_post( absint( $post_data['post_thumbnail'] ) ) )
1106                                 return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
1107                         set_post_thumbnail( $post_ID, $post_data['post_thumbnail'] );
1108                         unset( $content_struct['post_thumbnail'] );
1109                 }
1110
1111                 if ( isset( $post_data['custom_fields'] ) )
1112                         $this->set_custom_fields( $post_ID, $post_data['custom_fields'] );
1113
1114                 if ( isset( $post_data['terms'] ) || isset( $post_data['terms_names'] ) ) {
1115                         $post_type_taxonomies = get_object_taxonomies( $post_data['post_type'], 'objects' );
1116
1117                         // accumulate term IDs from terms and terms_names
1118                         $terms = array();
1119
1120                         // first validate the terms specified by ID
1121                         if ( isset( $post_data['terms'] ) && is_array( $post_data['terms'] ) ) {
1122                                 $taxonomies = array_keys( $post_data['terms'] );
1123
1124                                 // validating term ids
1125                                 foreach ( $taxonomies as $taxonomy ) {
1126                                         if ( ! array_key_exists( $taxonomy , $post_type_taxonomies ) )
1127                                                 return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
1128
1129                                         if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->assign_terms ) )
1130                                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
1131
1132                                         $term_ids = $post_data['terms'][$taxonomy];
1133                                         foreach ( $term_ids as $term_id ) {
1134                                                 $term = get_term_by( 'id', $term_id, $taxonomy );
1135
1136                                                 if ( ! $term )
1137                                                         return new IXR_Error( 403, __( 'Invalid term ID' ) );
1138
1139                                                 $terms[$taxonomy][] = (int) $term_id;
1140                                         }
1141                                 }
1142                         }
1143
1144                         // now validate terms specified by name
1145                         if ( isset( $post_data['terms_names'] ) && is_array( $post_data['terms_names'] ) ) {
1146                                 $taxonomies = array_keys( $post_data['terms_names'] );
1147
1148                                 foreach ( $taxonomies as $taxonomy ) {
1149                                         if ( ! array_key_exists( $taxonomy , $post_type_taxonomies ) )
1150                                                 return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
1151
1152                                         if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->assign_terms ) )
1153                                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
1154
1155                                         // for hierarchical taxonomies, we can't assign a term when multiple terms in the hierarchy share the same name
1156                                         $ambiguous_terms = array();
1157                                         if ( is_taxonomy_hierarchical( $taxonomy ) ) {
1158                                                 $tax_term_names = get_terms( $taxonomy, array( 'fields' => 'names', 'hide_empty' => false ) );
1159
1160                                                 // count the number of terms with the same name
1161                                                 $tax_term_names_count = array_count_values( $tax_term_names );
1162
1163                                                 // filter out non-ambiguous term names
1164                                                 $ambiguous_tax_term_counts = array_filter( $tax_term_names_count, array( $this, '_is_greater_than_one') );
1165
1166                                                 $ambiguous_terms = array_keys( $ambiguous_tax_term_counts );
1167                                         }
1168
1169                                         $term_names = $post_data['terms_names'][$taxonomy];
1170                                         foreach ( $term_names as $term_name ) {
1171                                                 if ( in_array( $term_name, $ambiguous_terms ) )
1172                                                         return new IXR_Error( 401, __( 'Ambiguous term name used in a hierarchical taxonomy. Please use term ID instead.' ) );
1173
1174                                                 $term = get_term_by( 'name', $term_name, $taxonomy );
1175
1176                                                 if ( ! $term ) {
1177                                                         // term doesn't exist, so check that the user is allowed to create new terms
1178                                                         if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->edit_terms ) )
1179                                                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to add a term to one of the given taxonomies.' ) );
1180
1181                                                         // create the new term
1182                                                         $term_info = wp_insert_term( $term_name, $taxonomy );
1183                                                         if ( is_wp_error( $term_info ) )
1184                                                                 return new IXR_Error( 500, $term_info->get_error_message() );
1185
1186                                                         $terms[$taxonomy][] = (int) $term_info['term_id'];
1187                                                 } else {
1188                                                         $terms[$taxonomy][] = (int) $term->term_id;
1189                                                 }
1190                                         }
1191                                 }
1192                         }
1193
1194                         $post_data['tax_input'] = $terms;
1195                         unset( $post_data['terms'], $post_data['terms_names'] );
1196                 } else {
1197                         // do not allow direct submission of 'tax_input', clients must use 'terms' and/or 'terms_names'
1198                         unset( $post_data['tax_input'], $post_data['post_category'], $post_data['tags_input'] );
1199                 }
1200
1201                 if ( isset( $post_data['post_format'] ) ) {
1202                         $format = set_post_format( $post_ID, $post_data['post_format'] );
1203
1204                         if ( is_wp_error( $format ) )
1205                                 return new IXR_Error( 500, $format->get_error_message() );
1206
1207                         unset( $post_data['post_format'] );
1208                 }
1209
1210                 // Handle enclosures
1211                 $enclosure = isset( $post_data['enclosure'] ) ? $post_data['enclosure'] : null;
1212                 $this->add_enclosure_if_new( $post_ID, $enclosure );
1213
1214                 $this->attach_uploads( $post_ID, $post_data['post_content'] );
1215
1216                 $post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct );
1217
1218                 $post_ID = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true );
1219                 if ( is_wp_error( $post_ID ) )
1220                         return new IXR_Error( 500, $post_ID->get_error_message() );
1221
1222                 if ( ! $post_ID )
1223                         return new IXR_Error( 401, __( 'Sorry, your entry could not be posted. Something wrong happened.' ) );
1224
1225                 return strval( $post_ID );
1226         }
1227
1228         /**
1229          * Edit a post for any registered post type.
1230          *
1231          * The $content_struct parameter only needs to contain fields that
1232          * should be changed. All other fields will retain their existing values.
1233          *
1234          * @since 3.4.0
1235          *
1236          * @param array $args Method parameters. Contains:
1237          *  - int     $blog_id
1238          *  - string  $username
1239          *  - string  $password
1240          *  - int     $post_id
1241          *  - array   $content_struct
1242          * @return true on success
1243          */
1244         function wp_editPost( $args ) {
1245                 if ( ! $this->minimum_args( $args, 5 ) )
1246                         return $this->error;
1247
1248                 $this->escape( $args );
1249
1250                 $blog_id        = (int) $args[0];
1251                 $username       = $args[1];
1252                 $password       = $args[2];
1253                 $post_id        = (int) $args[3];
1254                 $content_struct = $args[4];
1255
1256                 if ( ! $user = $this->login( $username, $password ) )
1257                         return $this->error;
1258
1259                 do_action( 'xmlrpc_call', 'wp.editPost' );
1260
1261                 $post = get_post( $post_id, ARRAY_A );
1262
1263                 if ( empty( $post['ID'] ) )
1264                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1265
1266                 if ( isset( $content_struct['if_not_modified_since'] ) ) {
1267                         // If the post has been modified since the date provided, return an error.
1268                         if ( mysql2date( 'U', $post['post_modified_gmt'] ) > $content_struct['if_not_modified_since']->getTimestamp() ) {
1269                                 return new IXR_Error( 409, __( 'There is a revision of this post that is more recent.' ) );
1270                         }
1271                 }
1272
1273                 // convert the date field back to IXR form
1274                 $post['post_date'] = $this->_convert_date( $post['post_date'] );
1275
1276                 // ignore the existing GMT date if it is empty or a non-GMT date was supplied in $content_struct,
1277                 // since _insert_post will ignore the non-GMT date if the GMT date is set
1278                 if ( $post['post_date_gmt'] == '0000-00-00 00:00:00' || isset( $content_struct['post_date'] ) )
1279                         unset( $post['post_date_gmt'] );
1280                 else
1281                         $post['post_date_gmt'] = $this->_convert_date( $post['post_date_gmt'] );
1282
1283                 $this->escape( $post );
1284                 $merged_content_struct = array_merge( $post, $content_struct );
1285
1286                 $retval = $this->_insert_post( $user, $merged_content_struct );
1287                 if ( $retval instanceof IXR_Error )
1288                         return $retval;
1289
1290                 return true;
1291         }
1292
1293         /**
1294          * Delete a post for any registered post type.
1295          *
1296          * @since 3.4.0
1297          *
1298          * @uses wp_delete_post()
1299          * @param array $args Method parameters. Contains:
1300          *  - int     $blog_id
1301          *  - string  $username
1302          *  - string  $password
1303          *  - int     $post_id
1304          * @return true on success
1305          */
1306         function wp_deletePost( $args ) {
1307                 if ( ! $this->minimum_args( $args, 4 ) )
1308                         return $this->error;
1309
1310                 $this->escape( $args );
1311
1312                 $blog_id    = (int) $args[0];
1313                 $username   = $args[1];
1314                 $password   = $args[2];
1315                 $post_id    = (int) $args[3];
1316
1317                 if ( ! $user = $this->login( $username, $password ) )
1318                         return $this->error;
1319
1320                 do_action( 'xmlrpc_call', 'wp.deletePost' );
1321
1322                 $post = get_post( $post_id, ARRAY_A );
1323                 if ( empty( $post['ID'] ) )
1324                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1325
1326                 if ( ! current_user_can( 'delete_post', $post_id ) )
1327                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this post.' ) );
1328
1329                 $result = wp_delete_post( $post_id );
1330
1331                 if ( ! $result )
1332                         return new IXR_Error( 500, __( 'The post cannot be deleted.' ) );
1333
1334                 return true;
1335         }
1336
1337         /**
1338          * Retrieve a post.
1339          *
1340          * @since 3.4.0
1341          *
1342          * The optional $fields parameter specifies what fields will be included
1343          * in the response array. This should be a list of field names. 'post_id' will
1344          * always be included in the response regardless of the value of $fields.
1345          *
1346          * Instead of, or in addition to, individual field names, conceptual group
1347          * names can be used to specify multiple fields. The available conceptual
1348          * groups are 'post' (all basic fields), 'taxonomies', 'custom_fields',
1349          * and 'enclosure'.
1350          *
1351          * @uses get_post()
1352          * @param array $args Method parameters. Contains:
1353          *  - int     $post_id
1354          *  - string  $username
1355          *  - string  $password
1356          *  - array   $fields optional
1357          * @return array contains (based on $fields parameter):
1358          *  - 'post_id'
1359          *  - 'post_title'
1360          *  - 'post_date'
1361          *  - 'post_date_gmt'
1362          *  - 'post_modified'
1363          *  - 'post_modified_gmt'
1364          *  - 'post_status'
1365          *  - 'post_type'
1366          *  - 'post_name'
1367          *  - 'post_author'
1368          *  - 'post_password'
1369          *  - 'post_excerpt'
1370          *  - 'post_content'
1371          *  - 'link'
1372          *  - 'comment_status'
1373          *  - 'ping_status'
1374          *  - 'sticky'
1375          *  - 'custom_fields'
1376          *  - 'terms'
1377          *  - 'categories'
1378          *  - 'tags'
1379          *  - 'enclosure'
1380          */
1381         function wp_getPost( $args ) {
1382                 if ( ! $this->minimum_args( $args, 4 ) )
1383                         return $this->error;
1384
1385                 $this->escape( $args );
1386
1387                 $blog_id            = (int) $args[0];
1388                 $username           = $args[1];
1389                 $password           = $args[2];
1390                 $post_id            = (int) $args[3];
1391
1392                 if ( isset( $args[4] ) )
1393                         $fields = $args[4];
1394                 else
1395                         $fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPost' );
1396
1397                 if ( ! $user = $this->login( $username, $password ) )
1398                         return $this->error;
1399
1400                 do_action( 'xmlrpc_call', 'wp.getPost' );
1401
1402                 $post = get_post( $post_id, ARRAY_A );
1403
1404                 if ( empty( $post['ID'] ) )
1405                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1406
1407                 if ( ! current_user_can( 'edit_post', $post_id ) )
1408                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
1409
1410                 return $this->_prepare_post( $post, $fields );
1411         }
1412
1413         /**
1414          * Retrieve posts.
1415          *
1416          * @since 3.4.0
1417          *
1418          * The optional $filter parameter modifies the query used to retrieve posts.
1419          * Accepted keys are 'post_type', 'post_status', 'number', 'offset',
1420          * 'orderby', and 'order'.
1421          *
1422          * The optional $fields parameter specifies what fields will be included
1423          * in the response array.
1424          *
1425          * @uses wp_get_recent_posts()
1426          * @see wp_getPost() for more on $fields
1427          * @see get_posts() for more on $filter values
1428          *
1429          * @param array $args Method parameters. Contains:
1430          *  - int     $blog_id
1431          *  - string  $username
1432          *  - string  $password
1433          *  - array   $filter optional
1434          *  - array   $fields optional
1435          * @return array contains a collection of posts.
1436          */
1437         function wp_getPosts( $args ) {
1438                 if ( ! $this->minimum_args( $args, 3 ) )
1439                         return $this->error;
1440
1441                 $this->escape( $args );
1442
1443                 $blog_id    = (int) $args[0];
1444                 $username   = $args[1];
1445                 $password   = $args[2];
1446                 $filter     = isset( $args[3] ) ? $args[3] : array();
1447
1448                 if ( isset( $args[4] ) )
1449                         $fields = $args[4];
1450                 else
1451                         $fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPosts' );
1452
1453                 if ( ! $user = $this->login( $username, $password ) )
1454                         return $this->error;
1455
1456                 do_action( 'xmlrpc_call', 'wp.getPosts' );
1457
1458                 $query = array();
1459
1460                 if ( isset( $filter['post_type'] ) ) {
1461                         $post_type = get_post_type_object( $filter['post_type'] );
1462                         if ( ! ( (bool) $post_type ) )
1463                                 return new IXR_Error( 403, __( 'The post type specified is not valid' ) );
1464                 } else {
1465                         $post_type = get_post_type_object( 'post' );
1466                 }
1467
1468                 if ( ! current_user_can( $post_type->cap->edit_posts ) )
1469                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type' ));
1470
1471                 $query['post_type'] = $post_type->name;
1472
1473                 if ( isset( $filter['post_status'] ) )
1474                         $query['post_status'] = $filter['post_status'];
1475
1476                 if ( isset( $filter['number'] ) )
1477                         $query['numberposts'] = absint( $filter['number'] );
1478
1479                 if ( isset( $filter['offset'] ) )
1480                         $query['offset'] = absint( $filter['offset'] );
1481
1482                 if ( isset( $filter['orderby'] ) ) {
1483                         $query['orderby'] = $filter['orderby'];
1484
1485                         if ( isset( $filter['order'] ) )
1486                                 $query['order'] = $filter['order'];
1487                 }
1488
1489                 if ( isset( $filter['s'] ) ) {
1490                         $query['s'] = $filter['s'];
1491                 }
1492
1493                 $posts_list = wp_get_recent_posts( $query );
1494
1495                 if ( ! $posts_list )
1496                         return array();
1497
1498                 // holds all the posts data
1499                 $struct = array();
1500
1501                 foreach ( $posts_list as $post ) {
1502                         if ( ! current_user_can( 'edit_post', $post['ID'] ) )
1503                                 continue;
1504
1505                         $struct[] = $this->_prepare_post( $post, $fields );
1506                 }
1507
1508                 return $struct;
1509         }
1510
1511         /**
1512          * Create a new term.
1513          *
1514          * @since 3.4.0
1515          *
1516          * @uses wp_insert_term()
1517          * @param array $args Method parameters. Contains:
1518          *  - int     $blog_id
1519          *  - string  $username
1520          *  - string  $password
1521          *  - array   $content_struct
1522          *      The $content_struct must contain:
1523          *      - 'name'
1524          *      - 'taxonomy'
1525          *      Also, it can optionally contain:
1526          *      - 'parent'
1527          *      - 'description'
1528          *      - 'slug'
1529          * @return string term_id
1530          */
1531         function wp_newTerm( $args ) {
1532                 if ( ! $this->minimum_args( $args, 4 ) )
1533                         return $this->error;
1534
1535                 $this->escape( $args );
1536
1537                 $blog_id            = (int) $args[0];
1538                 $username           = $args[1];
1539                 $password           = $args[2];
1540                 $content_struct     = $args[3];
1541
1542                 if ( ! $user = $this->login( $username, $password ) )
1543                         return $this->error;
1544
1545                 do_action( 'xmlrpc_call', 'wp.newTerm' );
1546
1547                 if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
1548                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1549
1550                 $taxonomy = get_taxonomy( $content_struct['taxonomy'] );
1551
1552                 if ( ! current_user_can( $taxonomy->cap->manage_terms ) )
1553                         return new IXR_Error( 401, __( 'You are not allowed to create terms in this taxonomy.' ) );
1554
1555                 $taxonomy = (array) $taxonomy;
1556
1557                 // hold the data of the term
1558                 $term_data = array();
1559
1560                 $term_data['name'] = trim( $content_struct['name'] );
1561                 if ( empty( $term_data['name'] ) )
1562                         return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
1563
1564                 if ( isset( $content_struct['parent'] ) ) {
1565                         if ( ! $taxonomy['hierarchical'] )
1566                                 return new IXR_Error( 403, __( 'This taxonomy is not hierarchical.' ) );
1567
1568                         $parent_term_id = (int) $content_struct['parent'];
1569                         $parent_term = get_term( $parent_term_id , $taxonomy['name'] );
1570
1571                         if ( is_wp_error( $parent_term ) )
1572                                 return new IXR_Error( 500, $parent_term->get_error_message() );
1573
1574                         if ( ! $parent_term )
1575                                 return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
1576
1577                         $term_data['parent'] = $content_struct['parent'];
1578                 }
1579
1580                 if ( isset( $content_struct['description'] ) )
1581                         $term_data['description'] = $content_struct['description'];
1582
1583                 if ( isset( $content_struct['slug'] ) )
1584                         $term_data['slug'] = $content_struct['slug'];
1585
1586                 $term = wp_insert_term( $term_data['name'] , $taxonomy['name'] , $term_data );
1587
1588                 if ( is_wp_error( $term ) )
1589                         return new IXR_Error( 500, $term->get_error_message() );
1590
1591                 if ( ! $term )
1592                         return new IXR_Error( 500, __( 'Sorry, your term could not be created. Something wrong happened.' ) );
1593
1594                 return strval( $term['term_id'] );
1595         }
1596
1597         /**
1598          * Edit a term.
1599          *
1600          * @since 3.4.0
1601          *
1602          * @uses wp_update_term()
1603          * @param array $args Method parameters. Contains:
1604          *  - int     $blog_id
1605          *  - string  $username
1606          *  - string  $password
1607          *  - string  $term_id
1608          *  - array   $content_struct
1609          *      The $content_struct must contain:
1610          *      - 'taxonomy'
1611          *      Also, it can optionally contain:
1612          *      - 'name'
1613          *      - 'parent'
1614          *      - 'description'
1615          *      - 'slug'
1616          * @return bool True, on success.
1617          */
1618         function wp_editTerm( $args ) {
1619                 if ( ! $this->minimum_args( $args, 5 ) )
1620                         return $this->error;
1621
1622                 $this->escape( $args );
1623
1624                 $blog_id            = (int) $args[0];
1625                 $username           = $args[1];
1626                 $password           = $args[2];
1627                 $term_id            = (int) $args[3];
1628                 $content_struct     = $args[4];
1629
1630                 if ( ! $user = $this->login( $username, $password ) )
1631                         return $this->error;
1632
1633                 do_action( 'xmlrpc_call', 'wp.editTerm' );
1634
1635                 if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
1636                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1637
1638                 $taxonomy = get_taxonomy( $content_struct['taxonomy'] );
1639
1640                 if ( ! current_user_can( $taxonomy->cap->edit_terms ) )
1641                         return new IXR_Error( 401, __( 'You are not allowed to edit terms in this taxonomy.' ) );
1642
1643                 $taxonomy = (array) $taxonomy;
1644
1645                 // hold the data of the term
1646                 $term_data = array();
1647
1648                 $term = get_term( $term_id , $content_struct['taxonomy'] );
1649
1650                 if ( is_wp_error( $term ) )
1651                         return new IXR_Error( 500, $term->get_error_message() );
1652
1653                 if ( ! $term )
1654                         return new IXR_Error( 404, __( 'Invalid term ID' ) );
1655
1656                 if ( isset( $content_struct['name'] ) ) {
1657                         $term_data['name'] = trim( $content_struct['name'] );
1658
1659                         if ( empty( $term_data['name'] ) )
1660                                 return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
1661                 }
1662
1663                 if ( isset( $content_struct['parent'] ) ) {
1664                         if ( ! $taxonomy['hierarchical'] )
1665                                 return new IXR_Error( 403, __( "This taxonomy is not hierarchical so you can't set a parent." ) );
1666
1667                         $parent_term_id = (int) $content_struct['parent'];
1668                         $parent_term = get_term( $parent_term_id , $taxonomy['name'] );
1669
1670                         if ( is_wp_error( $parent_term ) )
1671                                 return new IXR_Error( 500, $parent_term->get_error_message() );
1672
1673                         if ( ! $parent_term )
1674                                 return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
1675
1676                         $term_data['parent'] = $content_struct['parent'];
1677                 }
1678
1679                 if ( isset( $content_struct['description'] ) )
1680                         $term_data['description'] = $content_struct['description'];
1681
1682                 if ( isset( $content_struct['slug'] ) )
1683                         $term_data['slug'] = $content_struct['slug'];
1684
1685                 $term = wp_update_term( $term_id , $taxonomy['name'] , $term_data );
1686
1687                 if ( is_wp_error( $term ) )
1688                         return new IXR_Error( 500, $term->get_error_message() );
1689
1690                 if ( ! $term )
1691                         return new IXR_Error( 500, __( 'Sorry, editing the term failed.' ) );
1692
1693                 return true;
1694         }
1695
1696         /**
1697          * Delete a term.
1698          *
1699          * @since 3.4.0
1700          *
1701          * @uses wp_delete_term()
1702          * @param array $args Method parameters. Contains:
1703          *  - int     $blog_id
1704          *  - string  $username
1705          *  - string  $password
1706          *  - string  $taxnomy_name
1707          *  - string     $term_id
1708          * @return boolean|IXR_Error If it suceeded true else a reason why not
1709          */
1710         function wp_deleteTerm( $args ) {
1711                 if ( ! $this->minimum_args( $args, 5 ) )
1712                         return $this->error;
1713
1714                 $this->escape( $args );
1715
1716                 $blog_id            = (int) $args[0];
1717                 $username           = $args[1];
1718                 $password           = $args[2];
1719                 $taxonomy           = $args[3];
1720                 $term_id            = (int) $args[4];
1721
1722                 if ( ! $user = $this->login( $username, $password ) )
1723                         return $this->error;
1724
1725                 do_action( 'xmlrpc_call', 'wp.deleteTerm' );
1726
1727                 if ( ! taxonomy_exists( $taxonomy ) )
1728                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1729
1730                 $taxonomy = get_taxonomy( $taxonomy );
1731
1732                 if ( ! current_user_can( $taxonomy->cap->delete_terms ) )
1733                         return new IXR_Error( 401, __( 'You are not allowed to delete terms in this taxonomy.' ) );
1734
1735                 $term = get_term( $term_id, $taxonomy->name );
1736
1737                 if ( is_wp_error( $term ) )
1738                         return new IXR_Error( 500, $term->get_error_message() );
1739
1740                 if ( ! $term )
1741                         return new IXR_Error( 404, __( 'Invalid term ID' ) );
1742
1743                 $result = wp_delete_term( $term_id, $taxonomy->name );
1744
1745                 if ( is_wp_error( $result ) )
1746                         return new IXR_Error( 500, $term->get_error_message() );
1747
1748                 if ( ! $result )
1749                         return new IXR_Error( 500, __( 'Sorry, deleting the term failed.' ) );
1750
1751                 return $result;
1752         }
1753
1754         /**
1755          * Retrieve a term.
1756          *
1757          * @since 3.4.0
1758          *
1759          * @uses get_term()
1760          * @param array $args Method parameters. Contains:
1761          *  - int     $blog_id
1762          *  - string  $username
1763          *  - string  $password
1764          *  - string  $taxonomy
1765          *  - string  $term_id
1766          * @return array contains:
1767          *  - 'term_id'
1768          *  - 'name'
1769          *  - 'slug'
1770          *  - 'term_group'
1771          *  - 'term_taxonomy_id'
1772          *  - 'taxonomy'
1773          *  - 'description'
1774          *  - 'parent'
1775          *  - 'count'
1776          */
1777         function wp_getTerm( $args ) {
1778                 if ( ! $this->minimum_args( $args, 5 ) )
1779                         return $this->error;
1780
1781                 $this->escape( $args );
1782
1783                 $blog_id            = (int) $args[0];
1784                 $username           = $args[1];
1785                 $password           = $args[2];
1786                 $taxonomy           = $args[3];
1787                 $term_id            = (int) $args[4];
1788
1789                 if ( ! $user = $this->login( $username, $password ) )
1790                         return $this->error;
1791
1792                 do_action( 'xmlrpc_call', 'wp.getTerm' );
1793
1794                 if ( ! taxonomy_exists( $taxonomy ) )
1795                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1796
1797                 $taxonomy = get_taxonomy( $taxonomy );
1798
1799                 if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
1800                         return new IXR_Error( 401, __( 'You are not allowed to assign terms in this taxonomy.' ) );
1801
1802                 $term = get_term( $term_id , $taxonomy->name, ARRAY_A );
1803
1804                 if ( is_wp_error( $term ) )
1805                         return new IXR_Error( 500, $term->get_error_message() );
1806
1807                 if ( ! $term )
1808                         return new IXR_Error( 404, __( 'Invalid term ID' ) );
1809
1810                 return $this->_prepare_term( $term );
1811         }
1812
1813         /**
1814          * Retrieve all terms for a taxonomy.
1815          *
1816          * @since 3.4.0
1817          *
1818          * The optional $filter parameter modifies the query used to retrieve terms.
1819          * Accepted keys are 'number', 'offset', 'orderby', 'order', 'hide_empty', and 'search'.
1820          *
1821          * @uses get_terms()
1822          * @param array $args Method parameters. Contains:
1823          *  - int     $blog_id
1824          *  - string  $username
1825          *  - string  $password
1826          *  - string  $taxonomy
1827          *  - array   $filter optional
1828          * @return array terms
1829          */
1830         function wp_getTerms( $args ) {
1831                 if ( ! $this->minimum_args( $args, 4 ) )
1832                         return $this->error;
1833
1834                 $this->escape( $args );
1835
1836                 $blog_id        = (int) $args[0];
1837                 $username       = $args[1];
1838                 $password       = $args[2];
1839                 $taxonomy       = $args[3];
1840                 $filter         = isset( $args[4] ) ? $args[4] : array();
1841
1842                 if ( ! $user = $this->login( $username, $password ) )
1843                         return $this->error;
1844
1845                 do_action( 'xmlrpc_call', 'wp.getTerms' );
1846
1847                 if ( ! taxonomy_exists( $taxonomy ) )
1848                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1849
1850                 $taxonomy = get_taxonomy( $taxonomy );
1851
1852                 if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
1853                         return new IXR_Error( 401, __( 'You are not allowed to assign terms in this taxonomy.' ) );
1854
1855                 $query = array();
1856
1857                 if ( isset( $filter['number'] ) )
1858                         $query['number'] = absint( $filter['number'] );
1859
1860                 if ( isset( $filter['offset'] ) )
1861                         $query['offset'] = absint( $filter['offset'] );
1862
1863                 if ( isset( $filter['orderby'] ) ) {
1864                         $query['orderby'] = $filter['orderby'];
1865
1866                         if ( isset( $filter['order'] ) )
1867                                 $query['order'] = $filter['order'];
1868                 }
1869
1870                 if ( isset( $filter['hide_empty'] ) )
1871                         $query['hide_empty'] = $filter['hide_empty'];
1872                 else
1873                         $query['get'] = 'all';
1874
1875                 if ( isset( $filter['search'] ) )
1876                         $query['search'] = $filter['search'];
1877
1878                 $terms = get_terms( $taxonomy->name, $query );
1879
1880                 if ( is_wp_error( $terms ) )
1881                         return new IXR_Error( 500, $terms->get_error_message() );
1882
1883                 $struct = array();
1884
1885                 foreach ( $terms as $term ) {
1886                         $struct[] = $this->_prepare_term( $term );
1887                 }
1888
1889                 return $struct;
1890         }
1891
1892         /**
1893          * Retrieve a taxonomy.
1894          *
1895          * @since 3.4.0
1896          *
1897          * @uses get_taxonomy()
1898          * @param array $args Method parameters. Contains:
1899          *  - int     $blog_id
1900          *  - string  $username
1901          *  - string  $password
1902          *  - string  $taxonomy
1903          * @return array (@see get_taxonomy())
1904          */
1905         function wp_getTaxonomy( $args ) {
1906                 if ( ! $this->minimum_args( $args, 4 ) )
1907                         return $this->error;
1908
1909                 $this->escape( $args );
1910
1911                 $blog_id        = (int) $args[0];
1912                 $username       = $args[1];
1913                 $password       = $args[2];
1914                 $taxonomy       = $args[3];
1915
1916                 if ( isset( $args[4] ) )
1917                         $fields = $args[4];
1918                 else
1919                         $fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomy' );
1920
1921                 if ( ! $user = $this->login( $username, $password ) )
1922                         return $this->error;
1923
1924                 do_action( 'xmlrpc_call', 'wp.getTaxonomy' );
1925
1926                 if ( ! taxonomy_exists( $taxonomy ) )
1927                         return new IXR_Error( 403, __( 'Invalid taxonomy' ) );
1928
1929                 $taxonomy = get_taxonomy( $taxonomy );
1930
1931                 if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
1932                         return new IXR_Error( 401, __( 'You are not allowed to assign terms in this taxonomy.' ) );
1933
1934                 return $this->_prepare_taxonomy( $taxonomy, $fields );
1935         }
1936
1937         /**
1938          * Retrieve all taxonomies.
1939          *
1940          * @since 3.4.0
1941          *
1942          * @uses get_taxonomies()
1943          * @param array $args Method parameters. Contains:
1944          *  - int     $blog_id
1945          *  - string  $username
1946          *  - string  $password
1947          * @return array taxonomies
1948          */
1949         function wp_getTaxonomies( $args ) {
1950                 if ( ! $this->minimum_args( $args, 3 ) )
1951                         return $this->error;
1952
1953                 $this->escape( $args );
1954
1955                 $blog_id            = (int) $args[0];
1956                 $username           = $args[1];
1957                 $password           = $args[2];
1958                 $filter             = isset( $args[3] ) ? $args[3] : array( 'public' => true );
1959
1960                 if ( isset( $args[4] ) )
1961                         $fields = $args[4];
1962                 else
1963                         $fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomies' );
1964
1965                 if ( ! $user = $this->login( $username, $password ) )
1966                         return $this->error;
1967
1968                 do_action( 'xmlrpc_call', 'wp.getTaxonomies' );
1969
1970                 $taxonomies = get_taxonomies( $filter, 'objects' );
1971
1972                 // holds all the taxonomy data
1973                 $struct = array();
1974
1975                 foreach ( $taxonomies as $taxonomy ) {
1976                         // capability check for post_types
1977                         if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
1978                                 continue;
1979
1980                         $struct[] = $this->_prepare_taxonomy( $taxonomy, $fields );
1981                 }
1982
1983                 return $struct;
1984         }
1985
1986         /**
1987          * Retrieve a user.
1988          *
1989          * The optional $fields parameter specifies what fields will be included
1990          * in the response array. This should be a list of field names. 'user_id' will
1991          * always be included in the response regardless of the value of $fields.
1992          *
1993          * Instead of, or in addition to, individual field names, conceptual group
1994          * names can be used to specify multiple fields. The available conceptual
1995          * groups are 'basic' and 'all'.
1996          *
1997          * @uses get_userdata()
1998          * @param array $args Method parameters. Contains:
1999          *  - int     $blog_id
2000          *  - string  $username
2001          *  - string  $password
2002          *  - int     $user_id
2003          *  - array   $fields optional
2004          * @return array contains (based on $fields parameter):
2005          *  - 'user_id'
2006          *  - 'username'
2007          *  - 'first_name'
2008          *  - 'last_name'
2009          *  - 'registered'
2010          *  - 'bio'
2011          *  - 'email'
2012          *  - 'nickname'
2013          *  - 'nicename'
2014          *  - 'url'
2015          *  - 'display_name'
2016          *  - 'roles'
2017          */
2018         function wp_getUser( $args ) {
2019                 if ( ! $this->minimum_args( $args, 4 ) )
2020                         return $this->error;
2021
2022                 $this->escape( $args );
2023
2024                 $blog_id    = (int) $args[0];
2025                 $username   = $args[1];
2026                 $password   = $args[2];
2027                 $user_id    = (int) $args[3];
2028
2029                 if ( isset( $args[4] ) )
2030                         $fields = $args[4];
2031                 else
2032                         $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUser' );
2033
2034                 if ( ! $user = $this->login( $username, $password ) )
2035                         return $this->error;
2036
2037                 do_action( 'xmlrpc_call', 'wp.getUser' );
2038
2039                 if ( ! current_user_can( 'edit_user', $user_id ) )
2040                         return new IXR_Error( 401, __( 'Sorry, you cannot edit users.' ) );
2041
2042                 $user_data = get_userdata( $user_id );
2043
2044                 if ( ! $user_data )
2045                         return new IXR_Error( 404, __( 'Invalid user ID' ) );
2046
2047                 return $this->_prepare_user( $user_data, $fields );
2048         }
2049
2050         /**
2051          * Retrieve users.
2052          *
2053          * The optional $filter parameter modifies the query used to retrieve users.
2054          * Accepted keys are 'number' (default: 50), 'offset' (default: 0), 'role',
2055          * 'who', 'orderby', and 'order'.
2056          *
2057          * The optional $fields parameter specifies what fields will be included
2058          * in the response array.
2059          *
2060          * @uses get_users()
2061          * @see wp_getUser() for more on $fields and return values
2062          *
2063          * @param array $args Method parameters. Contains:
2064          *  - int     $blog_id
2065          *  - string  $username
2066          *  - string  $password
2067          *  - array   $filter optional
2068          *  - array   $fields optional
2069          * @return array users data
2070          */
2071         function wp_getUsers( $args ) {
2072                 if ( ! $this->minimum_args( $args, 3 ) )
2073                         return $this->error;
2074
2075                 $this->escape( $args );
2076
2077                 $blog_id    = (int) $args[0];
2078                 $username   = $args[1];
2079                 $password   = $args[2];
2080                 $filter     = isset( $args[3] ) ? $args[3] : array();
2081
2082                 if ( isset( $args[4] ) )
2083                         $fields = $args[4];
2084                 else
2085                         $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUsers' );
2086
2087                 if ( ! $user = $this->login( $username, $password ) )
2088                         return $this->error;
2089
2090                 do_action( 'xmlrpc_call', 'wp.getUsers' );
2091
2092                 if ( ! current_user_can( 'list_users' ) )
2093                         return new IXR_Error( 401, __( 'Sorry, you cannot list users.' ) );
2094
2095                 $query = array( 'fields' => 'all_with_meta' );
2096
2097                 $query['number'] = ( isset( $filter['number'] ) ) ? absint( $filter['number'] ) : 50;
2098                 $query['offset'] = ( isset( $filter['offset'] ) ) ? absint( $filter['offset'] ) : 0;
2099
2100                 if ( isset( $filter['orderby'] ) ) {
2101                         $query['orderby'] = $filter['orderby'];
2102
2103                         if ( isset( $filter['order'] ) )
2104                                 $query['order'] = $filter['order'];
2105                 }
2106
2107                 if ( isset( $filter['role'] ) ) {
2108                         if ( get_role( $filter['role'] ) === null )
2109                                 return new IXR_Error( 403, __( 'The role specified is not valid' ) );
2110
2111                         $query['role'] = $filter['role'];
2112                 }
2113
2114                 if ( isset( $filter['who'] ) ) {
2115                         $query['who'] = $filter['who'];
2116                 }
2117
2118                 $users = get_users( $query );
2119
2120                 $_users = array();
2121                 foreach ( $users as $user_data ) {
2122                         if ( current_user_can( 'edit_user', $user_data->ID ) )
2123                                 $_users[] = $this->_prepare_user( $user_data, $fields );
2124                 }
2125                 return $_users;
2126         }
2127
2128         /**
2129          * Retrieve information about the requesting user.
2130          *
2131          * @uses get_userdata()
2132          * @param array $args Method parameters. Contains:
2133          *  - int     $blog_id
2134          *  - string  $username
2135          *  - string  $password
2136          *  - array   $fields optional
2137          * @return array (@see wp_getUser)
2138          */
2139         function wp_getProfile( $args ) {
2140                 if ( ! $this->minimum_args( $args, 3 ) )
2141                         return $this->error;
2142
2143                 $this->escape( $args );
2144
2145                 $blog_id    = (int) $args[0];
2146                 $username   = $args[1];
2147                 $password   = $args[2];
2148
2149                 if ( isset( $args[3] ) )
2150                         $fields = $args[3];
2151                 else
2152                         $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getProfile' );
2153
2154                 if ( ! $user = $this->login( $username, $password ) )
2155                         return $this->error;
2156
2157                 do_action( 'xmlrpc_call', 'wp.getProfile' );
2158
2159                 if ( ! current_user_can( 'edit_user', $user->ID ) )
2160                         return new IXR_Error( 401, __( 'Sorry, you cannot edit your profile.' ) );
2161
2162                 $user_data = get_userdata( $user->ID );
2163
2164                 return $this->_prepare_user( $user_data, $fields );
2165         }
2166
2167         /**
2168          * Edit user's profile.
2169          *
2170          * @uses wp_update_user()
2171          * @param array $args Method parameters. Contains:
2172          *  - int     $blog_id
2173          *  - string  $username
2174          *  - string  $password
2175          *  - array   $content_struct
2176          *      It can optionally contain:
2177          *      - 'first_name'
2178          *      - 'last_name'
2179          *      - 'website'
2180          *      - 'display_name'
2181          *      - 'nickname'
2182          *      - 'nicename'
2183          *      - 'bio'
2184          * @return bool True, on success.
2185          */
2186         function wp_editProfile( $args ) {
2187                 if ( ! $this->minimum_args( $args, 4 ) )
2188                         return $this->error;
2189
2190                 $this->escape( $args );
2191
2192                 $blog_id        = (int) $args[0];
2193                 $username       = $args[1];
2194                 $password       = $args[2];
2195                 $content_struct = $args[3];
2196
2197                 if ( ! $user = $this->login( $username, $password ) )
2198                         return $this->error;
2199
2200                 do_action( 'xmlrpc_call', 'wp.editProfile' );
2201
2202                 if ( ! current_user_can( 'edit_user', $user->ID ) )
2203                         return new IXR_Error( 401, __( 'Sorry, you cannot edit your profile.' ) );
2204
2205                 // holds data of the user
2206                 $user_data = array();
2207                 $user_data['ID'] = $user->ID;
2208
2209                 // only set the user details if it was given
2210                 if ( isset( $content_struct['first_name'] ) )
2211                         $user_data['first_name'] = $content_struct['first_name'];
2212
2213                 if ( isset( $content_struct['last_name'] ) )
2214                         $user_data['last_name'] = $content_struct['last_name'];
2215
2216                 if ( isset( $content_struct['url'] ) )
2217                         $user_data['user_url'] = $content_struct['url'];
2218
2219                 if ( isset( $content_struct['display_name'] ) )
2220                         $user_data['display_name'] = $content_struct['display_name'];
2221
2222                 if ( isset( $content_struct['nickname'] ) )
2223                         $user_data['nickname'] = $content_struct['nickname'];
2224
2225                 if ( isset( $content_struct['nicename'] ) )
2226                         $user_data['user_nicename'] = $content_struct['nicename'];
2227
2228                 if ( isset( $content_struct['bio'] ) )
2229                         $user_data['description'] = $content_struct['bio'];
2230
2231                 $result = wp_update_user( $user_data );
2232
2233                 if ( is_wp_error( $result ) )
2234                         return new IXR_Error( 500, $result->get_error_message() );
2235
2236                 if ( ! $result )
2237                         return new IXR_Error( 500, __( 'Sorry, the user cannot be updated.' ) );
2238
2239                 return true;
2240         }
2241
2242         /**
2243          * Retrieve page.
2244          *
2245          * @since 2.2.0
2246          *
2247          * @param array $args Method parameters. Contains:
2248          *  - blog_id
2249          *  - page_id
2250          *  - username
2251          *  - password
2252          * @return array
2253          */
2254         function wp_getPage($args) {
2255                 $this->escape($args);
2256
2257                 $blog_id        = (int) $args[0];
2258                 $page_id        = (int) $args[1];
2259                 $username       = $args[2];
2260                 $password       = $args[3];
2261
2262                 if ( !$user = $this->login($username, $password) ) {
2263                         return $this->error;
2264                 }
2265
2266                 $page = get_post($page_id);
2267                 if ( ! $page )
2268                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
2269
2270                 if ( !current_user_can( 'edit_page', $page_id ) )
2271                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this page.' ) );
2272
2273                 do_action('xmlrpc_call', 'wp.getPage');
2274
2275                 // If we found the page then format the data.
2276                 if ( $page->ID && ($page->post_type == 'page') ) {
2277                         return $this->_prepare_page( $page );
2278                 }
2279                 // If the page doesn't exist indicate that.
2280                 else {
2281                         return(new IXR_Error(404, __('Sorry, no such page.')));
2282                 }
2283         }
2284
2285         /**
2286          * Retrieve Pages.
2287          *
2288          * @since 2.2.0
2289          *
2290          * @param array $args Method parameters. Contains:
2291          *  - blog_id
2292          *  - username
2293          *  - password
2294          *  - num_pages
2295          * @return array
2296          */
2297         function wp_getPages($args) {
2298                 $this->escape($args);
2299
2300                 $blog_id        = (int) $args[0];
2301                 $username       = $args[1];
2302                 $password       = $args[2];
2303                 $num_pages      = isset($args[3]) ? (int) $args[3] : 10;
2304
2305                 if ( !$user = $this->login($username, $password) )
2306                         return $this->error;
2307
2308                 if ( !current_user_can( 'edit_pages' ) )
2309                         return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
2310
2311                 do_action('xmlrpc_call', 'wp.getPages');
2312
2313                 $pages = get_posts( array('post_type' => 'page', 'post_status' => 'any', 'numberposts' => $num_pages) );
2314                 $num_pages = count($pages);
2315
2316                 // If we have pages, put together their info.
2317                 if ( $num_pages >= 1 ) {
2318                         $pages_struct = array();
2319
2320                         foreach ($pages as $page) {
2321                                 if ( current_user_can( 'edit_page', $page->ID ) )
2322                                         $pages_struct[] = $this->_prepare_page( $page );
2323                         }
2324
2325                         return($pages_struct);
2326                 }
2327                 // If no pages were found return an error.
2328                 else {
2329                         return(array());
2330                 }
2331         }
2332
2333         /**
2334          * Create new page.
2335          *
2336          * @since 2.2.0
2337          *
2338          * @param array $args Method parameters. See {@link wp_xmlrpc_server::mw_newPost()}
2339          * @return unknown
2340          */
2341         function wp_newPage($args) {
2342                 // Items not escaped here will be escaped in newPost.
2343                 $username       = $this->escape($args[1]);
2344                 $password       = $this->escape($args[2]);
2345                 $page           = $args[3];
2346                 $publish        = $args[4];
2347
2348                 if ( !$user = $this->login($username, $password) )
2349                         return $this->error;
2350
2351                 do_action('xmlrpc_call', 'wp.newPage');
2352
2353                 // Mark this as content for a page.
2354                 $args[3]["post_type"] = 'page';
2355
2356                 // Let mw_newPost do all of the heavy lifting.
2357                 return($this->mw_newPost($args));
2358         }
2359
2360         /**
2361          * Delete page.
2362          *
2363          * @since 2.2.0
2364          *
2365          * @param array $args Method parameters.
2366          * @return bool True, if success.
2367          */
2368         function wp_deletePage($args) {
2369                 $this->escape($args);
2370
2371                 $blog_id        = (int) $args[0];
2372                 $username       = $args[1];
2373                 $password       = $args[2];
2374                 $page_id        = (int) $args[3];
2375
2376                 if ( !$user = $this->login($username, $password) )
2377                         return $this->error;
2378
2379                 do_action('xmlrpc_call', 'wp.deletePage');
2380
2381                 // Get the current page based on the page_id and
2382                 // make sure it is a page and not a post.
2383                 $actual_page = get_post($page_id, ARRAY_A);
2384                 if ( !$actual_page || ($actual_page['post_type'] != 'page') )
2385                         return(new IXR_Error(404, __('Sorry, no such page.')));
2386
2387                 // Make sure the user can delete pages.
2388                 if ( !current_user_can('delete_page', $page_id) )
2389                         return(new IXR_Error(401, __('Sorry, you do not have the right to delete this page.')));
2390
2391                 // Attempt to delete the page.
2392                 $result = wp_delete_post($page_id);
2393                 if ( !$result )
2394                         return(new IXR_Error(500, __('Failed to delete the page.')));
2395
2396                 do_action( 'xmlrpc_call_success_wp_deletePage', $page_id, $args );
2397
2398                 return(true);
2399         }
2400
2401         /**
2402          * Edit page.
2403          *
2404          * @since 2.2.0
2405          *
2406          * @param array $args Method parameters.
2407          * @return unknown
2408          */
2409         function wp_editPage($args) {
2410                 // Items not escaped here will be escaped in editPost.
2411                 $blog_id        = (int) $args[0];
2412                 $page_id        = (int) $this->escape($args[1]);
2413                 $username       = $this->escape($args[2]);
2414                 $password       = $this->escape($args[3]);
2415                 $content        = $args[4];
2416                 $publish        = $args[5];
2417
2418                 if ( !$user = $this->login($username, $password) )
2419                         return $this->error;
2420
2421                 do_action('xmlrpc_call', 'wp.editPage');
2422
2423                 // Get the page data and make sure it is a page.
2424                 $actual_page = get_post($page_id, ARRAY_A);
2425                 if ( !$actual_page || ($actual_page['post_type'] != 'page') )
2426                         return(new IXR_Error(404, __('Sorry, no such page.')));
2427
2428                 // Make sure the user is allowed to edit pages.
2429                 if ( !current_user_can('edit_page', $page_id) )
2430                         return(new IXR_Error(401, __('Sorry, you do not have the right to edit this page.')));
2431
2432                 // Mark this as content for a page.
2433                 $content['post_type'] = 'page';
2434
2435                 // Arrange args in the way mw_editPost understands.
2436                 $args = array(
2437                         $page_id,
2438                         $username,
2439                         $password,
2440                         $content,
2441                         $publish
2442                 );
2443
2444                 // Let mw_editPost do all of the heavy lifting.
2445                 return($this->mw_editPost($args));
2446         }
2447
2448         /**
2449          * Retrieve page list.
2450          *
2451          * @since 2.2.0
2452          *
2453          * @param array $args Method parameters.
2454          * @return unknown
2455          */
2456         function wp_getPageList($args) {
2457                 global $wpdb;
2458
2459                 $this->escape($args);
2460
2461                 $blog_id                                = (int) $args[0];
2462                 $username                               = $args[1];
2463                 $password                               = $args[2];
2464
2465                 if ( !$user = $this->login($username, $password) )
2466                         return $this->error;
2467
2468                 if ( !current_user_can( 'edit_pages' ) )
2469                         return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
2470
2471                 do_action('xmlrpc_call', 'wp.getPageList');
2472
2473                 // Get list of pages ids and titles
2474                 $page_list = $wpdb->get_results("
2475                         SELECT ID page_id,
2476                                 post_title page_title,
2477                                 post_parent page_parent_id,
2478                                 post_date_gmt,
2479                                 post_date,
2480                                 post_status
2481                         FROM {$wpdb->posts}
2482                         WHERE post_type = 'page'
2483                         ORDER BY ID
2484                 ");
2485
2486                 // The date needs to be formatted properly.
2487                 $num_pages = count($page_list);
2488                 for ( $i = 0; $i < $num_pages; $i++ ) {
2489                         $page_list[$i]->dateCreated = $this->_convert_date(  $page_list[$i]->post_date );
2490                         $page_list[$i]->date_created_gmt = $this->_convert_date_gmt( $page_list[$i]->post_date_gmt, $page_list[$i]->post_date );
2491
2492                         unset($page_list[$i]->post_date_gmt);
2493                         unset($page_list[$i]->post_date);
2494                         unset($page_list[$i]->post_status);
2495                 }
2496
2497                 return($page_list);
2498         }
2499
2500         /**
2501          * Retrieve authors list.
2502          *
2503          * @since 2.2.0
2504          *
2505          * @param array $args Method parameters.
2506          * @return array
2507          */
2508         function wp_getAuthors($args) {
2509
2510                 $this->escape($args);
2511
2512                 $blog_id        = (int) $args[0];
2513                 $username       = $args[1];
2514                 $password       = $args[2];
2515
2516                 if ( !$user = $this->login($username, $password) )
2517                         return $this->error;
2518
2519                 if ( !current_user_can('edit_posts') )
2520                         return(new IXR_Error(401, __('Sorry, you cannot edit posts on this site.')));
2521
2522                 do_action('xmlrpc_call', 'wp.getAuthors');
2523
2524                 $authors = array();
2525                 foreach ( get_users( array( 'fields' => array('ID','user_login','display_name') ) ) as $user ) {
2526                         $authors[] = array(
2527                                 'user_id'       => $user->ID,
2528                                 'user_login'    => $user->user_login,
2529                                 'display_name'  => $user->display_name
2530                         );
2531                 }
2532
2533                 return $authors;
2534         }
2535
2536         /**
2537          * Get list of all tags
2538          *
2539          * @since 2.7.0
2540          *
2541          * @param array $args Method parameters.
2542          * @return array
2543          */
2544         function wp_getTags( $args ) {
2545                 $this->escape( $args );
2546
2547                 $blog_id                = (int) $args[0];
2548                 $username               = $args[1];
2549                 $password               = $args[2];
2550
2551                 if ( !$user = $this->login($username, $password) )
2552                         return $this->error;
2553
2554                 if ( !current_user_can( 'edit_posts' ) )
2555                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view tags.' ) );
2556
2557                 do_action( 'xmlrpc_call', 'wp.getKeywords' );
2558
2559                 $tags = array();
2560
2561                 if ( $all_tags = get_tags() ) {
2562                         foreach( (array) $all_tags as $tag ) {
2563                                 $struct['tag_id']                       = $tag->term_id;
2564                                 $struct['name']                         = $tag->name;
2565                                 $struct['count']                        = $tag->count;
2566                                 $struct['slug']                         = $tag->slug;
2567                                 $struct['html_url']                     = esc_html( get_tag_link( $tag->term_id ) );
2568                                 $struct['rss_url']                      = esc_html( get_tag_feed_link( $tag->term_id ) );
2569
2570                                 $tags[] = $struct;
2571                         }
2572                 }
2573
2574                 return $tags;
2575         }
2576
2577         /**
2578          * Create new category.
2579          *
2580          * @since 2.2.0
2581          *
2582          * @param array $args Method parameters.
2583          * @return int Category ID.
2584          */
2585         function wp_newCategory($args) {
2586                 $this->escape($args);
2587
2588                 $blog_id                                = (int) $args[0];
2589                 $username                               = $args[1];
2590                 $password                               = $args[2];
2591                 $category                               = $args[3];
2592
2593                 if ( !$user = $this->login($username, $password) )
2594                         return $this->error;
2595
2596                 do_action('xmlrpc_call', 'wp.newCategory');
2597
2598                 // Make sure the user is allowed to add a category.
2599                 if ( !current_user_can('manage_categories') )
2600                         return(new IXR_Error(401, __('Sorry, you do not have the right to add a category.')));
2601
2602                 // If no slug was provided make it empty so that
2603                 // WordPress will generate one.
2604                 if ( empty($category['slug']) )
2605                         $category['slug'] = '';
2606
2607                 // If no parent_id was provided make it empty
2608                 // so that it will be a top level page (no parent).
2609                 if ( !isset($category['parent_id']) )
2610                         $category['parent_id'] = '';
2611
2612                 // If no description was provided make it empty.
2613                 if ( empty($category["description"]) )
2614                         $category["description"] = "";
2615
2616                 $new_category = array(
2617                         'cat_name'                              => $category['name'],
2618                         'category_nicename'             => $category['slug'],
2619                         'category_parent'               => $category['parent_id'],
2620                         'category_description'  => $category['description']
2621                 );
2622
2623                 $cat_id = wp_insert_category($new_category, true);
2624                 if ( is_wp_error( $cat_id ) ) {
2625                         if ( 'term_exists' == $cat_id->get_error_code() )
2626                                 return (int) $cat_id->get_error_data();
2627                         else
2628                                 return(new IXR_Error(500, __('Sorry, the new category failed.')));
2629                 } elseif ( ! $cat_id ) {
2630                         return(new IXR_Error(500, __('Sorry, the new category failed.')));
2631                 }
2632
2633                 do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args );
2634
2635                 return $cat_id;
2636         }
2637
2638         /**
2639          * Remove category.
2640          *
2641          * @since 2.5.0
2642          *
2643          * @param array $args Method parameters.
2644          * @return mixed See {@link wp_delete_term()} for return info.
2645          */
2646         function wp_deleteCategory($args) {
2647                 $this->escape($args);
2648
2649                 $blog_id                = (int) $args[0];
2650                 $username               = $args[1];
2651                 $password               = $args[2];
2652                 $category_id    = (int) $args[3];
2653
2654                 if ( !$user = $this->login($username, $password) )
2655                         return $this->error;
2656
2657                 do_action('xmlrpc_call', 'wp.deleteCategory');
2658
2659                 if ( !current_user_can('manage_categories') )
2660                         return new IXR_Error( 401, __( 'Sorry, you do not have the right to delete a category.' ) );
2661
2662                 $status = wp_delete_term( $category_id, 'category' );
2663
2664                 if( true == $status )
2665                         do_action( 'xmlrpc_call_success_wp_deleteCategory', $category_id, $args );
2666
2667                 return $status;
2668         }
2669
2670         /**
2671          * Retrieve category list.
2672          *
2673          * @since 2.2.0
2674          *
2675          * @param array $args Method parameters.
2676          * @return array
2677          */
2678         function wp_suggestCategories($args) {
2679                 $this->escape($args);
2680
2681                 $blog_id                                = (int) $args[0];
2682                 $username                               = $args[1];
2683                 $password                               = $args[2];
2684                 $category                               = $args[3];
2685                 $max_results                    = (int) $args[4];
2686
2687                 if ( !$user = $this->login($username, $password) )
2688                         return $this->error;
2689
2690                 if ( !current_user_can( 'edit_posts' ) )
2691                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts to this site in order to view categories.' ) );
2692
2693                 do_action('xmlrpc_call', 'wp.suggestCategories');
2694
2695                 $category_suggestions = array();
2696                 $args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
2697                 foreach ( (array) get_categories($args) as $cat ) {
2698                         $category_suggestions[] = array(
2699                                 'category_id'   => $cat->term_id,
2700                                 'category_name' => $cat->name
2701                         );
2702                 }
2703
2704                 return($category_suggestions);
2705         }
2706
2707         /**
2708          * Retrieve comment.
2709          *
2710          * @since 2.7.0
2711          *
2712          * @param array $args Method parameters.
2713          * @return array
2714          */
2715         function wp_getComment($args) {
2716                 $this->escape($args);
2717
2718                 $blog_id        = (int) $args[0];
2719                 $username       = $args[1];
2720                 $password       = $args[2];
2721                 $comment_id     = (int) $args[3];
2722
2723                 if ( !$user = $this->login($username, $password) )
2724                         return $this->error;
2725
2726                 if ( !current_user_can( 'moderate_comments' ) )
2727                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
2728
2729                 do_action('xmlrpc_call', 'wp.getComment');
2730
2731                 if ( ! $comment = get_comment($comment_id) )
2732                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
2733
2734                 return $this->_prepare_comment( $comment );
2735         }
2736
2737         /**
2738          * Retrieve comments.
2739          *
2740          * Besides the common blog_id, username, and password arguments, it takes a filter
2741          * array as last argument.
2742          *
2743          * Accepted 'filter' keys are 'status', 'post_id', 'offset', and 'number'.
2744          *
2745          * The defaults are as follows:
2746          * - 'status' - Default is ''. Filter by status (e.g., 'approve', 'hold')
2747          * - 'post_id' - Default is ''. The post where the comment is posted. Empty string shows all comments.
2748          * - 'number' - Default is 10. Total number of media items to retrieve.
2749          * - 'offset' - Default is 0. See {@link WP_Query::query()} for more.
2750          *
2751          * @since 2.7.0
2752          *
2753          * @param array $args Method parameters.
2754          * @return array. Contains a collection of comments. See {@link wp_xmlrpc_server::wp_getComment()} for a description of each item contents
2755          */
2756         function wp_getComments($args) {
2757                 $this->escape($args);
2758
2759                 $blog_id        = (int) $args[0];
2760                 $username       = $args[1];
2761                 $password       = $args[2];
2762                 $struct         = isset( $args[3] ) ? $args[3] : array();
2763
2764                 if ( !$user = $this->login($username, $password) )
2765                         return $this->error;
2766
2767                 if ( !current_user_can( 'moderate_comments' ) )
2768                         return new IXR_Error( 401, __( 'Sorry, you cannot edit comments.' ) );
2769
2770                 do_action('xmlrpc_call', 'wp.getComments');
2771
2772                 if ( isset($struct['status']) )
2773                         $status = $struct['status'];
2774                 else
2775                         $status = '';
2776
2777                 $post_id = '';
2778                 if ( isset($struct['post_id']) )
2779                         $post_id = absint($struct['post_id']);
2780
2781                 $offset = 0;
2782                 if ( isset($struct['offset']) )
2783                         $offset = absint($struct['offset']);
2784
2785                 $number = 10;
2786                 if ( isset($struct['number']) )
2787                         $number = absint($struct['number']);
2788
2789                 $comments = get_comments( array('status' => $status, 'post_id' => $post_id, 'offset' => $offset, 'number' => $number ) );
2790
2791                 $comments_struct = array();
2792
2793                 foreach ( $comments as $comment ) {
2794                         $comments_struct[] = $this->_prepare_comment( $comment );
2795                 }
2796
2797                 return $comments_struct;
2798         }
2799
2800         /**
2801          * Delete a comment.
2802          *
2803          * By default, the comment will be moved to the trash instead of deleted.
2804          * See {@link wp_delete_comment()} for more information on
2805          * this behavior.
2806          *
2807          * @since 2.7.0
2808          *
2809          * @param array $args Method parameters. Contains:
2810          *  - blog_id
2811          *  - username
2812          *  - password
2813          *  - comment_id
2814          * @return mixed {@link wp_delete_comment()}
2815          */
2816         function wp_deleteComment($args) {
2817                 $this->escape($args);
2818
2819                 $blog_id        = (int) $args[0];
2820                 $username       = $args[1];
2821                 $password       = $args[2];
2822                 $comment_ID     = (int) $args[3];
2823
2824                 if ( !$user = $this->login($username, $password) )
2825                         return $this->error;
2826
2827                 if ( !current_user_can( 'moderate_comments' ) )
2828                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
2829
2830                 if ( ! get_comment($comment_ID) )
2831                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
2832
2833                 if ( !current_user_can( 'edit_comment', $comment_ID ) )
2834                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
2835
2836                 do_action('xmlrpc_call', 'wp.deleteComment');
2837
2838                 $status = wp_delete_comment( $comment_ID );
2839
2840                 if( true == $status )
2841                         do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_ID, $args );
2842
2843                 return $status;
2844         }
2845
2846         /**
2847          * Edit comment.
2848          *
2849          * Besides the common blog_id, username, and password arguments, it takes a
2850          * comment_id integer and a content_struct array as last argument.
2851          *
2852          * The allowed keys in the content_struct array are:
2853          *  - 'author'
2854          *  - 'author_url'
2855          *  - 'author_email'
2856          *  - 'content'
2857          *  - 'date_created_gmt'
2858          *  - 'status'. Common statuses are 'approve', 'hold', 'spam'. See {@link get_comment_statuses()} for more details
2859          *
2860          * @since 2.7.0
2861          *
2862          * @param array $args. Contains:
2863          *  - blog_id
2864          *  - username
2865          *  - password
2866          *  - comment_id
2867          *  - content_struct
2868          * @return bool True, on success.
2869          */
2870         function wp_editComment($args) {
2871                 $this->escape($args);
2872
2873                 $blog_id        = (int) $args[0];
2874                 $username       = $args[1];
2875                 $password       = $args[2];
2876                 $comment_ID     = (int) $args[3];
2877                 $content_struct = $args[4];
2878
2879                 if ( !$user = $this->login($username, $password) )
2880                         return $this->error;
2881
2882                 if ( !current_user_can( 'moderate_comments' ) )
2883                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
2884
2885                 if ( ! get_comment($comment_ID) )
2886                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
2887
2888                 if ( !current_user_can( 'edit_comment', $comment_ID ) )
2889                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
2890
2891                 do_action('xmlrpc_call', 'wp.editComment');
2892
2893                 if ( isset($content_struct['status']) ) {
2894                         $statuses = get_comment_statuses();
2895                         $statuses = array_keys($statuses);
2896
2897                         if ( ! in_array($content_struct['status'], $statuses) )
2898                                 return new IXR_Error( 401, __( 'Invalid comment status.' ) );
2899                         $comment_approved = $content_struct['status'];
2900                 }
2901
2902                 // Do some timestamp voodoo
2903                 if ( !empty( $content_struct['date_created_gmt'] ) ) {
2904                         // We know this is supposed to be GMT, so we're going to slap that Z on there by force
2905                         $dateCreated = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
2906                         $comment_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
2907                         $comment_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
2908                 }
2909
2910                 if ( isset($content_struct['content']) )
2911                         $comment_content = $content_struct['content'];
2912
2913                 if ( isset($content_struct['author']) )
2914                         $comment_author = $content_struct['author'];
2915
2916                 if ( isset($content_struct['author_url']) )
2917                         $comment_author_url = $content_struct['author_url'];
2918
2919                 if ( isset($content_struct['author_email']) )
2920                         $comment_author_email = $content_struct['author_email'];
2921
2922                 // We've got all the data -- post it:
2923                 $comment = compact('comment_ID', 'comment_content', 'comment_approved', 'comment_date', 'comment_date_gmt', 'comment_author', 'comment_author_email', 'comment_author_url');
2924
2925                 $result = wp_update_comment($comment);
2926                 if ( is_wp_error( $result ) )
2927                         return new IXR_Error(500, $result->get_error_message());
2928
2929                 if ( !$result )
2930                         return new IXR_Error(500, __('Sorry, the comment could not be edited. Something wrong happened.'));
2931
2932                 do_action( 'xmlrpc_call_success_wp_editComment', $comment_ID, $args );
2933
2934                 return true;
2935         }
2936
2937         /**
2938          * Create new comment.
2939          *
2940          * @since 2.7.0
2941          *
2942          * @param array $args Method parameters.
2943          * @return mixed {@link wp_new_comment()}
2944          */
2945         function wp_newComment($args) {
2946                 global $wpdb;
2947
2948                 $this->escape($args);
2949
2950                 $blog_id        = (int) $args[0];
2951                 $username       = $args[1];
2952                 $password       = $args[2];
2953                 $post           = $args[3];
2954                 $content_struct = $args[4];
2955
2956                 $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false);
2957
2958                 $user = $this->login($username, $password);
2959
2960                 if ( !$user ) {
2961                         $logged_in = false;
2962                         if ( $allow_anon && get_option('comment_registration') )
2963                                 return new IXR_Error( 403, __( 'You must be registered to comment' ) );
2964                         else if ( !$allow_anon )
2965                                 return $this->error;
2966                 } else {
2967                         $logged_in = true;
2968                 }
2969
2970                 if ( is_numeric($post) )
2971                         $post_id = absint($post);
2972                 else
2973                         $post_id = url_to_postid($post);
2974
2975                 if ( ! $post_id )
2976                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
2977
2978                 if ( ! get_post($post_id) )
2979                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
2980
2981                 $comment['comment_post_ID'] = $post_id;
2982
2983                 if ( $logged_in ) {
2984                         $comment['comment_author'] = $this->escape( $user->display_name );
2985                         $comment['comment_author_email'] = $this->escape( $user->user_email );
2986                         $comment['comment_author_url'] = $this->escape( $user->user_url );
2987                         $comment['user_ID'] = $user->ID;
2988                 } else {
2989                         $comment['comment_author'] = '';
2990                         if ( isset($content_struct['author']) )
2991                                 $comment['comment_author'] = $content_struct['author'];
2992
2993                         $comment['comment_author_email'] = '';
2994                         if ( isset($content_struct['author_email']) )
2995                                 $comment['comment_author_email'] = $content_struct['author_email'];
2996
2997                         $comment['comment_author_url'] = '';
2998                         if ( isset($content_struct['author_url']) )
2999                                 $comment['comment_author_url'] = $content_struct['author_url'];
3000
3001                         $comment['user_ID'] = 0;
3002
3003                         if ( get_option('require_name_email') ) {
3004                                 if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
3005                                         return new IXR_Error( 403, __( 'Comment author name and email are required' ) );
3006                                 elseif ( !is_email($comment['comment_author_email']) )
3007                                         return new IXR_Error( 403, __( 'A valid email address is required' ) );
3008                         }
3009                 }
3010
3011                 $comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;
3012
3013                 $comment['comment_content'] =  isset($content_struct['content']) ? $content_struct['content'] : null;
3014
3015                 do_action('xmlrpc_call', 'wp.newComment');
3016
3017                 $comment_ID = wp_new_comment( $comment );
3018
3019                 do_action( 'xmlrpc_call_success_wp_newComment', $comment_ID, $args );
3020
3021                 return $comment_ID;
3022         }
3023
3024         /**
3025          * Retrieve all of the comment status.
3026          *
3027          * @since 2.7.0
3028          *
3029          * @param array $args Method parameters.
3030          * @return array
3031          */
3032         function wp_getCommentStatusList($args) {
3033                 $this->escape( $args );
3034
3035                 $blog_id        = (int) $args[0];
3036                 $username       = $args[1];
3037                 $password       = $args[2];
3038
3039                 if ( !$user = $this->login($username, $password) )
3040                         return $this->error;
3041
3042                 if ( !current_user_can( 'moderate_comments' ) )
3043                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
3044
3045                 do_action('xmlrpc_call', 'wp.getCommentStatusList');
3046
3047                 return get_comment_statuses();
3048         }
3049
3050         /**
3051          * Retrieve comment count.
3052          *
3053          * @since 2.5.0
3054          *
3055          * @param array $args Method parameters.
3056          * @return array
3057          */
3058         function wp_getCommentCount( $args ) {
3059                 $this->escape($args);
3060
3061                 $blog_id        = (int) $args[0];
3062                 $username       = $args[1];
3063                 $password       = $args[2];
3064                 $post_id        = (int) $args[3];
3065
3066                 if ( !$user = $this->login($username, $password) )
3067                         return $this->error;
3068
3069                 if ( !current_user_can( 'edit_posts' ) )
3070                         return new IXR_Error( 403, __( 'You are not allowed access to details about comments.' ) );
3071
3072                 do_action('xmlrpc_call', 'wp.getCommentCount');
3073
3074                 $count = wp_count_comments( $post_id );
3075                 return array(
3076                         'approved' => $count->approved,
3077                         'awaiting_moderation' => $count->moderated,
3078                         'spam' => $count->spam,
3079                         'total_comments' => $count->total_comments
3080                 );
3081         }
3082
3083         /**
3084          * Retrieve post statuses.
3085          *
3086          * @since 2.5.0
3087          *
3088          * @param array $args Method parameters.
3089          * @return array
3090          */
3091         function wp_getPostStatusList( $args ) {
3092                 $this->escape( $args );
3093
3094                 $blog_id        = (int) $args[0];
3095                 $username       = $args[1];
3096                 $password       = $args[2];
3097
3098                 if ( !$user = $this->login($username, $password) )
3099                         return $this->error;
3100
3101                 if ( !current_user_can( 'edit_posts' ) )
3102                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
3103
3104                 do_action('xmlrpc_call', 'wp.getPostStatusList');
3105
3106                 return get_post_statuses();
3107         }
3108
3109         /**
3110          * Retrieve page statuses.
3111          *
3112          * @since 2.5.0
3113          *
3114          * @param array $args Method parameters.
3115          * @return array
3116          */
3117         function wp_getPageStatusList( $args ) {
3118                 $this->escape( $args );
3119
3120                 $blog_id        = (int) $args[0];
3121                 $username       = $args[1];
3122                 $password       = $args[2];
3123
3124                 if ( !$user = $this->login($username, $password) )
3125                         return $this->error;
3126
3127                 if ( !current_user_can( 'edit_pages' ) )
3128                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
3129
3130                 do_action('xmlrpc_call', 'wp.getPageStatusList');
3131
3132                 return get_page_statuses();
3133         }
3134
3135         /**
3136          * Retrieve page templates.
3137          *
3138          * @since 2.6.0
3139          *
3140          * @param array $args Method parameters.
3141          * @return array
3142          */
3143         function wp_getPageTemplates( $args ) {
3144                 $this->escape( $args );
3145
3146                 $blog_id        = (int) $args[0];
3147                 $username       = $args[1];
3148                 $password       = $args[2];
3149
3150                 if ( !$user = $this->login($username, $password) )
3151                         return $this->error;
3152
3153                 if ( !current_user_can( 'edit_pages' ) )
3154                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
3155
3156                 $templates = get_page_templates();
3157                 $templates['Default'] = 'default';
3158
3159                 return $templates;
3160         }
3161
3162         /**
3163          * Retrieve blog options.
3164          *
3165          * @since 2.6.0
3166          *
3167          * @param array $args Method parameters.
3168          * @return array
3169          */
3170         function wp_getOptions( $args ) {
3171                 $this->escape( $args );
3172
3173                 $blog_id        = (int) $args[0];
3174                 $username       = $args[1];
3175                 $password       = $args[2];
3176                 $options        = isset( $args[3] ) ? (array) $args[3] : array();
3177
3178                 if ( !$user = $this->login($username, $password) )
3179                         return $this->error;
3180
3181                 // If no specific options where asked for, return all of them
3182                 if ( count( $options ) == 0 )
3183                         $options = array_keys($this->blog_options);
3184
3185                 return $this->_getOptions($options);
3186         }
3187
3188         /**
3189          * Retrieve blog options value from list.
3190          *
3191          * @since 2.6.0
3192          *
3193          * @param array $options Options to retrieve.
3194          * @return array
3195          */
3196         function _getOptions($options) {
3197                 $data = array();
3198                 $can_manage = current_user_can( 'manage_options' );
3199                 foreach ( $options as $option ) {
3200                         if ( array_key_exists( $option, $this->blog_options ) ) {
3201                                 $data[$option] = $this->blog_options[$option];
3202                                 //Is the value static or dynamic?
3203                                 if ( isset( $data[$option]['option'] ) ) {
3204                                         $data[$option]['value'] = get_option( $data[$option]['option'] );
3205                                         unset($data[$option]['option']);
3206                                 }
3207
3208                                 if ( ! $can_manage )
3209                                         $data[$option]['readonly'] = true;
3210                         }
3211                 }
3212
3213                 return $data;
3214         }
3215
3216         /**
3217          * Update blog options.
3218          *
3219          * @since 2.6.0
3220          *
3221          * @param array $args Method parameters.
3222          * @return unknown
3223          */
3224         function wp_setOptions( $args ) {
3225                 $this->escape( $args );
3226
3227                 $blog_id        = (int) $args[0];
3228                 $username       = $args[1];
3229                 $password       = $args[2];
3230                 $options        = (array) $args[3];
3231
3232                 if ( !$user = $this->login($username, $password) )
3233                         return $this->error;
3234
3235                 if ( !current_user_can( 'manage_options' ) )
3236                         return new IXR_Error( 403, __( 'You are not allowed to update options.' ) );
3237
3238                 foreach ( $options as $o_name => $o_value ) {
3239                         $option_names[] = $o_name;
3240                         if ( !array_key_exists( $o_name, $this->blog_options ) )
3241                                 continue;
3242
3243                         if ( $this->blog_options[$o_name]['readonly'] == true )
3244                                 continue;
3245
3246                         update_option( $this->blog_options[$o_name]['option'], $o_value );
3247                 }
3248
3249                 //Now return the updated values
3250                 return $this->_getOptions($option_names);
3251         }
3252
3253         /**
3254          * Retrieve a media item by ID
3255          *
3256          * @since 3.1.0
3257          *
3258          * @param array $args Method parameters. Contains:
3259          *  - blog_id
3260          *  - username
3261          *  - password
3262          *  - attachment_id
3263          * @return array. Associative array containing:
3264          *  - 'date_created_gmt'
3265          *  - 'parent'
3266          *  - 'link'
3267          *  - 'thumbnail'
3268          *  - 'title'
3269          *  - 'caption'
3270          *  - 'description'
3271          *  - 'metadata'
3272          */
3273         function wp_getMediaItem($args) {
3274                 $this->escape($args);
3275
3276                 $blog_id                = (int) $args[0];
3277                 $username               = $args[1];
3278                 $password               = $args[2];
3279                 $attachment_id  = (int) $args[3];
3280
3281                 if ( !$user = $this->login($username, $password) )
3282                         return $this->error;
3283
3284                 if ( !current_user_can( 'upload_files' ) )
3285                         return new IXR_Error( 403, __( 'You do not have permission to upload files.' ) );
3286
3287                 do_action('xmlrpc_call', 'wp.getMediaItem');
3288
3289                 if ( ! $attachment = get_post($attachment_id) )
3290                         return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
3291
3292                 return $this->_prepare_media_item( $attachment );
3293         }
3294
3295         /**
3296          * Retrieves a collection of media library items (or attachments)
3297          *
3298          * Besides the common blog_id, username, and password arguments, it takes a filter
3299          * array as last argument.
3300          *
3301          * Accepted 'filter' keys are 'parent_id', 'mime_type', 'offset', and 'number'.
3302          *
3303          * The defaults are as follows:
3304          * - 'number' - Default is 5. Total number of media items to retrieve.
3305          * - 'offset' - Default is 0. See {@link WP_Query::query()} for more.
3306          * - 'parent_id' - Default is ''. The post where the media item is attached. Empty string shows all media items. 0 shows unattached media items.
3307          * - 'mime_type' - Default is ''. Filter by mime type (e.g., 'image/jpeg', 'application/pdf')
3308          *
3309          * @since 3.1.0
3310          *
3311          * @param array $args Method parameters. Contains:
3312          *  - blog_id
3313          *  - username
3314          *  - password
3315          *  - filter
3316          * @return array. Contains a collection of media items. See {@link wp_xmlrpc_server::wp_getMediaItem()} for a description of each item contents
3317          */
3318         function wp_getMediaLibrary($args) {
3319                 $this->escape($args);
3320
3321                 $blog_id        = (int) $args[0];
3322                 $username       = $args[1];
3323                 $password       = $args[2];
3324                 $struct         = isset( $args[3] ) ? $args[3] : array() ;
3325
3326                 if ( !$user = $this->login($username, $password) )
3327                         return $this->error;
3328
3329                 if ( !current_user_can( 'upload_files' ) )
3330                         return new IXR_Error( 401, __( 'You do not have permission to upload files.' ) );
3331
3332                 do_action('xmlrpc_call', 'wp.getMediaLibrary');
3333
3334                 $parent_id = ( isset($struct['parent_id']) ) ? absint($struct['parent_id']) : '' ;
3335                 $mime_type = ( isset($struct['mime_type']) ) ? $struct['mime_type'] : '' ;
3336                 $offset = ( isset($struct['offset']) ) ? absint($struct['offset']) : 0 ;
3337                 $number = ( isset($struct['number']) ) ? absint($struct['number']) : -1 ;
3338
3339                 $attachments = get_posts( array('post_type' => 'attachment', 'post_parent' => $parent_id, 'offset' => $offset, 'numberposts' => $number, 'post_mime_type' => $mime_type ) );
3340
3341                 $attachments_struct = array();
3342
3343                 foreach ($attachments as $attachment )
3344                         $attachments_struct[] = $this->_prepare_media_item( $attachment );
3345
3346                 return $attachments_struct;
3347         }
3348
3349         /**
3350           * Retrieves a list of post formats used by the site
3351           *
3352           * @since 3.1
3353           *
3354           * @param array $args Method parameters. Contains:
3355           *  - blog_id
3356           *  - username
3357           *  - password
3358           * @return array
3359           */
3360         function wp_getPostFormats( $args ) {
3361                 $this->escape( $args );
3362
3363                 $blog_id = (int) $args[0];
3364                 $username = $args[1];
3365                 $password = $args[2];
3366
3367                 if ( !$user = $this->login( $username, $password ) )
3368                         return $this->error;
3369
3370                 if ( !current_user_can( 'edit_posts' ) )
3371                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
3372
3373                 do_action( 'xmlrpc_call', 'wp.getPostFormats' );
3374
3375                 $formats = get_post_format_strings();
3376
3377                 # find out if they want a list of currently supports formats
3378                 if ( isset( $args[3] ) && is_array( $args[3] ) ) {
3379                         if ( $args[3]['show-supported'] ) {
3380                                 if ( current_theme_supports( 'post-formats' ) ) {
3381                                         $supported = get_theme_support( 'post-formats' );
3382
3383                                         $data['all'] = $formats;
3384                                         $data['supported'] = $supported[0];
3385
3386                                         $formats = $data;
3387                                 }
3388                         }
3389                 }
3390
3391                 return $formats;
3392         }
3393
3394         /**
3395          * Retrieves a post type
3396          *
3397          * @since 3.4.0
3398          *
3399          * @uses get_post_type_object()
3400          * @param array $args Method parameters. Contains:
3401          *  - int     $blog_id
3402          *  - string  $username
3403          *  - string  $password
3404          *  - string  $post_type_name
3405          *  - array   $fields
3406          * @return array contains:
3407          *  - 'labels'
3408          *  - 'description'
3409          *  - 'capability_type'
3410          *  - 'cap'
3411          *  - 'map_meta_cap'
3412          *  - 'hierarchical'
3413          *  - 'menu_position'
3414          *  - 'taxonomies'
3415          *  - 'supports'
3416          */
3417         function wp_getPostType( $args ) {
3418                 if ( ! $this->minimum_args( $args, 4 ) )
3419                         return $this->error;
3420
3421                 $this->escape( $args );
3422
3423                 $blog_id        = (int) $args[0];
3424                 $username       = $args[1];
3425                 $password       = $args[2];
3426                 $post_type_name = $args[3];
3427
3428                 if ( isset( $args[4] ) )
3429                         $fields = $args[4];
3430                 else
3431                         $fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );
3432
3433                 if ( !$user = $this->login( $username, $password ) )
3434                         return $this->error;
3435
3436                 do_action( 'xmlrpc_call', 'wp.getPostType' );
3437
3438                 if( ! post_type_exists( $post_type_name ) )
3439                         return new IXR_Error( 403, __( 'Invalid post type' ) );
3440
3441                 $post_type = get_post_type_object( $post_type_name );
3442
3443                 if( ! current_user_can( $post_type->cap->edit_posts ) )
3444                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post type.' ) );
3445
3446                 return $this->_prepare_post_type( $post_type, $fields );
3447         }
3448
3449         /**
3450          * Retrieves a post types
3451          *
3452          * @since 3.4.0
3453          *
3454          * @uses get_post_types()
3455          * @param array $args Method parameters. Contains:
3456          *  - int     $blog_id
3457          *  - string  $username
3458          *  - string  $password
3459          *  - array   $filter
3460          *  - array   $fields
3461          * @return array
3462          */
3463         function wp_getPostTypes( $args ) {
3464                 if ( ! $this->minimum_args( $args, 3 ) )
3465                         return $this->error;
3466
3467                 $this->escape( $args );
3468
3469                 $blog_id            = (int) $args[0];
3470                 $username           = $args[1];
3471                 $password           = $args[2];
3472                 $filter             = isset( $args[3] ) ? $args[3] : array( 'public' => true );
3473
3474                 if ( isset( $args[4] ) )
3475                         $fields = $args[4];
3476                 else
3477                         $fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostTypes' );
3478
3479                 if ( ! $user = $this->login( $username, $password ) )
3480                         return $this->error;
3481
3482                 do_action( 'xmlrpc_call', 'wp.getPostTypes' );
3483
3484                 $post_types = get_post_types( $filter, 'objects' );
3485
3486                 $struct = array();
3487
3488                 foreach( $post_types as $post_type ) {
3489                         if( ! current_user_can( $post_type->cap->edit_posts ) )
3490                                 continue;
3491
3492                         $struct[$post_type->name] = $this->_prepare_post_type( $post_type, $fields );
3493                 }
3494
3495                 return $struct;
3496         }
3497
3498         /**
3499          * Retrieve revisions for a specific post.
3500          *
3501          * @since 3.5.0
3502          *
3503          * The optional $fields parameter specifies what fields will be included
3504          * in the response array.
3505          *
3506          * @uses wp_get_post_revisions()
3507          * @see wp_getPost() for more on $fields
3508          *
3509          * @param array $args Method parameters. Contains:
3510          *  - int     $blog_id
3511          *  - string  $username
3512          *  - string  $password
3513          *  - int     $post_id
3514          *  - array   $fields
3515          * @return array contains a collection of posts.
3516          */
3517         function wp_getRevisions( $args ) {
3518                 if ( ! $this->minimum_args( $args, 4 ) )
3519                         return $this->error;
3520
3521                 $this->escape( $args );
3522
3523                 $blog_id    = (int) $args[0];
3524                 $username   = $args[1];
3525                 $password   = $args[2];
3526                 $post_id    = (int) $args[3];
3527
3528                 if ( isset( $args[4] ) )
3529                         $fields = $args[4];
3530                 else
3531                         $fields = apply_filters( 'xmlrpc_default_revision_fields', array( 'post_date', 'post_date_gmt' ), 'wp.getRevisions' );
3532
3533                 if ( ! $user = $this->login( $username, $password ) )
3534                         return $this->error;
3535
3536                 do_action( 'xmlrpc_call', 'wp.getRevisions' );
3537
3538                 if ( ! $post = get_post( $post_id ) )
3539                         return new IXR_Error( 404, __( 'Invalid post ID' ) );
3540
3541                 if ( ! current_user_can( 'edit_post', $post_id ) )
3542                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
3543
3544                 // Check if revisions are enabled.
3545                 if ( ! wp_revisions_enabled( $post ) )
3546                         return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
3547
3548                 $revisions = wp_get_post_revisions( $post_id );
3549
3550                 if ( ! $revisions )
3551                         return array();
3552
3553                 $struct = array();
3554
3555                 foreach ( $revisions as $revision ) {
3556                         if ( ! current_user_can( 'read_post', $revision->ID ) )
3557                                 continue;
3558
3559                         // Skip autosaves
3560                         if ( wp_is_post_autosave( $revision ) )
3561                                 continue;
3562
3563                         $struct[] = $this->_prepare_post( get_object_vars( $revision ), $fields );
3564                 }
3565
3566                 return $struct;
3567         }
3568
3569         /**
3570          * Restore a post revision
3571          *
3572          * @since 3.5.0
3573          *
3574          * @uses wp_restore_post_revision()
3575          *
3576          * @param array $args Method parameters. Contains:
3577          *  - int     $blog_id
3578          *  - string  $username
3579          *  - string  $password
3580          *  - int     $post_id
3581          * @return bool false if there was an error restoring, true if success.
3582          */
3583         function wp_restoreRevision( $args ) {
3584                 if ( ! $this->minimum_args( $args, 3 ) )
3585                         return $this->error;
3586
3587                 $this->escape( $args );
3588
3589                 $blog_id     = (int) $args[0];
3590                 $username    = $args[1];
3591                 $password    = $args[2];
3592                 $revision_id = (int) $args[3];
3593
3594                 if ( ! $user = $this->login( $username, $password ) )
3595                         return $this->error;
3596
3597                 do_action( 'xmlrpc_call', 'wp.restoreRevision' );
3598
3599                 if ( ! $revision = wp_get_post_revision( $revision_id ) )
3600                         return new IXR_Error( 404, __( 'Invalid post ID' ) );
3601
3602                 if ( wp_is_post_autosave( $revision ) )
3603                         return new IXR_Error( 404, __( 'Invalid post ID' ) );
3604
3605                 if ( ! $post = get_post( $revision->post_parent ) )
3606                         return new IXR_Error( 404, __( 'Invalid post ID' ) );
3607
3608                 if ( ! current_user_can( 'edit_post', $revision->post_parent ) )
3609                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
3610
3611                 // Check if revisions are disabled.
3612                 if ( ! wp_revisions_enabled( $post ) )
3613                         return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
3614
3615                 $post = wp_restore_post_revision( $revision_id );
3616
3617                 return (bool) $post;
3618         }
3619
3620         /* Blogger API functions.
3621          * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
3622          */
3623
3624         /**
3625          * Retrieve blogs that user owns.
3626          *
3627          * Will make more sense once we support multiple blogs.
3628          *
3629          * @since 1.5.0
3630          *
3631          * @param array $args Method parameters.
3632          * @return array
3633          */
3634         function blogger_getUsersBlogs($args) {
3635                 if ( is_multisite() )
3636                         return $this->_multisite_getUsersBlogs($args);
3637
3638                 $this->escape($args);
3639
3640                 $username = $args[1];
3641                 $password  = $args[2];
3642
3643                 if ( !$user = $this->login($username, $password) )
3644                         return $this->error;
3645
3646                 do_action('xmlrpc_call', 'blogger.getUsersBlogs');
3647
3648                 $is_admin = current_user_can('manage_options');
3649
3650                 $struct = array(
3651                         'isAdmin'  => $is_admin,
3652                         'url'      => get_option('home') . '/',
3653                         'blogid'   => '1',
3654                         'blogName' => get_option('blogname'),
3655                         'xmlrpc'   => site_url( 'xmlrpc.php', 'rpc' ),
3656                 );
3657
3658                 return array($struct);
3659         }
3660
3661         /**
3662          * Private function for retrieving a users blogs for multisite setups
3663          *
3664          * @access protected
3665          */
3666         function _multisite_getUsersBlogs($args) {
3667                 $current_blog = get_blog_details();
3668
3669                 $domain = $current_blog->domain;
3670                 $path = $current_blog->path . 'xmlrpc.php';
3671
3672                 $rpc = new IXR_Client( set_url_scheme( "http://{$domain}{$path}" ) );
3673                 $rpc->query('wp.getUsersBlogs', $args[1], $args[2]);
3674                 $blogs = $rpc->getResponse();
3675
3676                 if ( isset($blogs['faultCode']) )
3677                         return new IXR_Error($blogs['faultCode'], $blogs['faultString']);
3678
3679                 if ( $_SERVER['HTTP_HOST'] == $domain && $_SERVER['REQUEST_URI'] == $path ) {
3680                         return $blogs;
3681                 } else {
3682                         foreach ( (array) $blogs as $blog ) {
3683                                 if ( strpos($blog['url'], $_SERVER['HTTP_HOST']) )
3684                                         return array($blog);
3685                         }
3686                         return array();
3687                 }
3688         }
3689
3690         /**
3691          * Retrieve user's data.
3692          *
3693          * Gives your client some info about you, so you don't have to.
3694          *
3695          * @since 1.5.0
3696          *
3697          * @param array $args Method parameters.
3698          * @return array
3699          */
3700         function blogger_getUserInfo($args) {
3701
3702                 $this->escape($args);
3703
3704                 $username = $args[1];
3705                 $password  = $args[2];
3706
3707                 if ( !$user = $this->login($username, $password) )
3708                         return $this->error;
3709
3710                 if ( !current_user_can( 'edit_posts' ) )
3711                         return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this site.' ) );
3712
3713                 do_action('xmlrpc_call', 'blogger.getUserInfo');
3714
3715                 $struct = array(
3716                         'nickname'  => $user->nickname,
3717                         'userid'    => $user->ID,
3718                         'url'       => $user->user_url,
3719                         'lastname'  => $user->last_name,
3720                         'firstname' => $user->first_name
3721                 );
3722
3723                 return $struct;
3724         }
3725
3726         /**
3727          * Retrieve post.
3728          *
3729          * @since 1.5.0
3730          *
3731          * @param array $args Method parameters.
3732          * @return array
3733          */
3734         function blogger_getPost($args) {
3735
3736                 $this->escape($args);
3737
3738                 $post_ID    = (int) $args[1];
3739                 $username = $args[2];
3740                 $password  = $args[3];
3741
3742                 if ( !$user = $this->login($username, $password) )
3743                         return $this->error;
3744
3745                 $post_data = get_post($post_ID, ARRAY_A);
3746                 if ( ! $post_data )
3747                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
3748
3749                 if ( !current_user_can( 'edit_post', $post_ID ) )
3750                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
3751
3752                 do_action('xmlrpc_call', 'blogger.getPost');
3753
3754                 $categories = implode(',', wp_get_post_categories($post_ID));
3755
3756                 $content  = '<title>'.wp_unslash($post_data['post_title']).'</title>';
3757                 $content .= '<category>'.$categories.'</category>';
3758                 $content .= wp_unslash($post_data['post_content']);
3759
3760                 $struct = array(
3761                         'userid'    => $post_data['post_author'],
3762                         'dateCreated' => $this->_convert_date( $post_data['post_date'] ),
3763                         'content'     => $content,
3764                         'postid'  => (string) $post_data['ID']
3765                 );
3766
3767                 return $struct;
3768         }
3769
3770         /**
3771          * Retrieve list of recent posts.
3772          *
3773          * @since 1.5.0
3774          *
3775          * @param array $args Method parameters.
3776          * @return array
3777          */
3778         function blogger_getRecentPosts($args) {
3779
3780                 $this->escape($args);
3781
3782                 // $args[0] = appkey - ignored
3783                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
3784                 $username = $args[2];
3785                 $password  = $args[3];
3786                 if ( isset( $args[4] ) )
3787                         $query = array( 'numberposts' => absint( $args[4] ) );
3788                 else
3789                         $query = array();
3790
3791                 if ( !$user = $this->login($username, $password) )
3792                         return $this->error;
3793
3794                 if ( ! current_user_can( 'edit_posts' ) )
3795                         return new IXR_Error( 401, __( 'Sorry, you cannot edit posts on this site.' ) );
3796
3797                 do_action('xmlrpc_call', 'blogger.getRecentPosts');
3798
3799                 $posts_list = wp_get_recent_posts( $query );
3800
3801                 if ( !$posts_list ) {
3802                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
3803                         return $this->error;
3804                 }
3805
3806                 foreach ($posts_list as $entry) {
3807                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
3808                                 continue;
3809
3810                         $post_date  = $this->_convert_date( $entry['post_date'] );
3811                         $categories = implode(',', wp_get_post_categories($entry['ID']));
3812
3813                         $content  = '<title>'.wp_unslash($entry['post_title']).'</title>';
3814                         $content .= '<category>'.$categories.'</category>';
3815                         $content .= wp_unslash($entry['post_content']);
3816
3817                         $struct[] = array(
3818                                 'userid' => $entry['post_author'],
3819                                 'dateCreated' => $post_date,
3820                                 'content' => $content,
3821                                 'postid' => (string) $entry['ID'],
3822                         );
3823
3824                 }
3825
3826                 $recent_posts = array();
3827                 for ( $j=0; $j<count($struct); $j++ ) {
3828                         array_push($recent_posts, $struct[$j]);
3829                 }
3830
3831                 return $recent_posts;
3832         }
3833
3834         /**
3835          * Deprecated.
3836          *
3837          * @since 1.5.0
3838          * @deprecated 3.5.0
3839          */
3840         function blogger_getTemplate($args) {
3841                 return new IXR_Error( 403, __('Sorry, that file cannot be edited.' ) );
3842         }
3843
3844         /**
3845          * Deprecated.
3846          *
3847          * @since 1.5.0
3848          * @deprecated 3.5.0
3849          */
3850         function blogger_setTemplate($args) {
3851                 return new IXR_Error( 403, __('Sorry, that file cannot be edited.' ) );
3852         }
3853
3854         /**
3855          * Create new post.
3856          *
3857          * @since 1.5.0
3858          *
3859          * @param array $args Method parameters.
3860          * @return int
3861          */
3862         function blogger_newPost($args) {
3863
3864                 $this->escape($args);
3865
3866                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
3867                 $username = $args[2];
3868                 $password  = $args[3];
3869                 $content    = $args[4];
3870                 $publish    = $args[5];
3871
3872                 if ( !$user = $this->login($username, $password) )
3873                         return $this->error;
3874
3875                 do_action('xmlrpc_call', 'blogger.newPost');
3876
3877                 $cap = ($publish) ? 'publish_posts' : 'edit_posts';
3878                 if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) || !current_user_can($cap) )
3879                         return new IXR_Error(401, __('Sorry, you are not allowed to post on this site.'));
3880
3881                 $post_status = ($publish) ? 'publish' : 'draft';
3882
3883                 $post_author = $user->ID;
3884
3885                 $post_title = xmlrpc_getposttitle($content);
3886                 $post_category = xmlrpc_getpostcategory($content);
3887                 $post_content = xmlrpc_removepostdata($content);
3888
3889                 $post_date = current_time('mysql');
3890                 $post_date_gmt = current_time('mysql', 1);
3891
3892                 $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');
3893
3894                 $post_ID = wp_insert_post($post_data);
3895                 if ( is_wp_error( $post_ID ) )
3896                         return new IXR_Error(500, $post_ID->get_error_message());
3897
3898                 if ( !$post_ID )
3899                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
3900
3901                 $this->attach_uploads( $post_ID, $post_content );
3902
3903                 do_action( 'xmlrpc_call_success_blogger_newPost', $post_ID, $args );
3904
3905                 return $post_ID;
3906         }
3907
3908         /**
3909          * Edit a post.
3910          *
3911          * @since 1.5.0
3912          *
3913          * @param array $args Method parameters.
3914          * @return bool true when done.
3915          */
3916         function blogger_editPost($args) {
3917
3918                 $this->escape($args);
3919
3920                 $post_ID     = (int) $args[1];
3921                 $username  = $args[2];
3922                 $password   = $args[3];
3923                 $content     = $args[4];
3924                 $publish     = $args[5];
3925
3926                 if ( !$user = $this->login($username, $password) )
3927                         return $this->error;
3928
3929                 do_action('xmlrpc_call', 'blogger.editPost');
3930
3931                 $actual_post = get_post($post_ID,ARRAY_A);
3932
3933                 if ( !$actual_post || $actual_post['post_type'] != 'post' )
3934                         return new IXR_Error(404, __('Sorry, no such post.'));
3935
3936                 $this->escape($actual_post);
3937
3938                 if ( !current_user_can('edit_post', $post_ID) )
3939                         return new IXR_Error(401, __('Sorry, you do not have the right to edit this post.'));
3940
3941                 extract($actual_post, EXTR_SKIP);
3942
3943                 if ( ('publish' == $post_status) && !current_user_can('publish_posts') )
3944                         return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
3945
3946                 $post_title = xmlrpc_getposttitle($content);
3947                 $post_category = xmlrpc_getpostcategory($content);
3948                 $post_content = xmlrpc_removepostdata($content);
3949
3950                 $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt');
3951
3952                 $result = wp_update_post($postdata);
3953
3954                 if ( !$result )
3955                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
3956
3957                 $this->attach_uploads( $ID, $post_content );
3958
3959                 do_action( 'xmlrpc_call_success_blogger_editPost', $post_ID, $args );
3960
3961                 return true;
3962         }
3963
3964         /**
3965          * Remove a post.
3966          *
3967          * @since 1.5.0
3968          *
3969          * @param array $args Method parameters.
3970          * @return bool True when post is deleted.
3971          */
3972         function blogger_deletePost($args) {
3973                 $this->escape($args);
3974
3975                 $post_ID     = (int) $args[1];
3976                 $username  = $args[2];
3977                 $password   = $args[3];
3978                 $publish     = $args[4];
3979
3980                 if ( !$user = $this->login($username, $password) )
3981                         return $this->error;
3982
3983                 do_action('xmlrpc_call', 'blogger.deletePost');
3984
3985                 $actual_post = get_post($post_ID,ARRAY_A);
3986
3987                 if ( !$actual_post || $actual_post['post_type'] != 'post' )
3988                         return new IXR_Error(404, __('Sorry, no such post.'));
3989
3990                 if ( !current_user_can('delete_post', $post_ID) )
3991                         return new IXR_Error(401, __('Sorry, you do not have the right to delete this post.'));
3992
3993                 $result = wp_delete_post($post_ID);
3994
3995                 if ( !$result )
3996                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
3997
3998                 do_action( 'xmlrpc_call_success_blogger_deletePost', $post_ID, $args );
3999
4000                 return true;
4001         }
4002
4003         /* MetaWeblog API functions
4004          * specs on wherever Dave Winer wants them to be
4005          */
4006
4007         /**
4008          * Create a new post.
4009          *
4010          * The 'content_struct' argument must contain:
4011          *  - title
4012          *  - description
4013          *  - mt_excerpt
4014          *  - mt_text_more
4015          *  - mt_keywords
4016          *  - mt_tb_ping_urls
4017          *  - categories
4018          *
4019          * Also, it can optionally contain:
4020          *  - wp_slug
4021          *  - wp_password
4022          *  - wp_page_parent_id
4023          *  - wp_page_order
4024          *  - wp_author_id
4025          *  - post_status | page_status - can be 'draft', 'private', 'publish', or 'pending'
4026          *  - mt_allow_comments - can be 'open' or 'closed'
4027          *  - mt_allow_pings - can be 'open' or 'closed'
4028          *  - date_created_gmt
4029          *  - dateCreated
4030          *  - wp_post_thumbnail
4031          *
4032          * @since 1.5.0
4033          *
4034          * @param array $args Method parameters. Contains:
4035          *  - blog_id
4036          *  - username
4037          *  - password
4038          *  - content_struct
4039          *  - publish
4040          * @return int
4041          */
4042         function mw_newPost($args) {
4043                 $this->escape($args);
4044
4045                 $blog_ID     = (int) $args[0];
4046                 $username  = $args[1];
4047                 $password   = $args[2];
4048                 $content_struct = $args[3];
4049                 $publish     = isset( $args[4] ) ? $args[4] : 0;
4050
4051                 if ( !$user = $this->login($username, $password) )
4052                         return $this->error;
4053
4054                 do_action('xmlrpc_call', 'metaWeblog.newPost');
4055
4056                 $page_template = '';
4057                 if ( !empty( $content_struct['post_type'] ) ) {
4058                         if ( $content_struct['post_type'] == 'page' ) {
4059                                 if ( $publish )
4060                                         $cap  = 'publish_pages';
4061                                 elseif ( isset( $content_struct['page_status'] ) && 'publish' == $content_struct['page_status'] )
4062                                         $cap  = 'publish_pages';
4063                                 else
4064                                         $cap = 'edit_pages';
4065                                 $error_message = __( 'Sorry, you are not allowed to publish pages on this site.' );
4066                                 $post_type = 'page';
4067                                 if ( !empty( $content_struct['wp_page_template'] ) )
4068                                         $page_template = $content_struct['wp_page_template'];
4069                         } elseif ( $content_struct['post_type'] == 'post' ) {
4070                                 if ( $publish )
4071                                         $cap  = 'publish_posts';
4072                                 elseif ( isset( $content_struct['post_status'] ) && 'publish' == $content_struct['post_status'] )
4073                                         $cap  = 'publish_posts';
4074                                 else
4075                                         $cap = 'edit_posts';
4076                                 $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
4077                                 $post_type = 'post';
4078                         } else {
4079                                 // No other post_type values are allowed here
4080                                 return new IXR_Error( 401, __( 'Invalid post type' ) );
4081                         }
4082                 } else {
4083                         if ( $publish )
4084                                 $cap  = 'publish_posts';
4085                         elseif ( isset( $content_struct['post_status'] ) && 'publish' == $content_struct['post_status'])
4086                                 $cap  = 'publish_posts';
4087                         else
4088                                 $cap = 'edit_posts';
4089                         $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
4090                         $post_type = 'post';
4091                 }
4092
4093                 if ( ! current_user_can( get_post_type_object( $post_type )->cap->create_posts ) )
4094                         return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts on this site.' ) );
4095                 if ( !current_user_can( $cap ) )
4096                         return new IXR_Error( 401, $error_message );
4097
4098                 // Check for a valid post format if one was given
4099                 if ( isset( $content_struct['wp_post_format'] ) ) {
4100                         $content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
4101                         if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
4102                                 return new IXR_Error( 404, __( 'Invalid post format' ) );
4103                         }
4104                 }
4105
4106                 // Let WordPress generate the post_name (slug) unless
4107                 // one has been provided.
4108                 $post_name = "";
4109                 if ( isset($content_struct['wp_slug']) )
4110                         $post_name = $content_struct['wp_slug'];
4111
4112                 // Only use a password if one was given.
4113                 if ( isset($content_struct['wp_password']) )
4114                         $post_password = $content_struct['wp_password'];
4115
4116                 // Only set a post parent if one was provided.
4117                 if ( isset($content_struct['wp_page_parent_id']) )
4118                         $post_parent = $content_struct['wp_page_parent_id'];
4119
4120                 // Only set the menu_order if it was provided.
4121                 if ( isset($content_struct['wp_page_order']) )
4122                         $menu_order = $content_struct['wp_page_order'];
4123
4124                 $post_author = $user->ID;
4125
4126                 // If an author id was provided then use it instead.
4127                 if ( isset( $content_struct['wp_author_id'] ) && ( $user->ID != $content_struct['wp_author_id'] ) ) {
4128                         switch ( $post_type ) {
4129                                 case "post":
4130                                         if ( !current_user_can( 'edit_others_posts' ) )
4131                                                 return( new IXR_Error( 401, __( 'You are not allowed to create posts as this user.' ) ) );
4132                                         break;
4133                                 case "page":
4134                                         if ( !current_user_can( 'edit_others_pages' ) )
4135                                                 return( new IXR_Error( 401, __( 'You are not allowed to create pages as this user.' ) ) );
4136                                         break;
4137                                 default:
4138                                         return( new IXR_Error( 401, __( 'Invalid post type' ) ) );
4139                                         break;
4140                         }
4141                         $author = get_userdata( $content_struct['wp_author_id'] );
4142                         if ( ! $author )
4143                                 return new IXR_Error( 404, __( 'Invalid author ID.' ) );
4144                         $post_author = $content_struct['wp_author_id'];
4145                 }
4146
4147                 $post_title = isset( $content_struct['title'] ) ? $content_struct['title'] : null;
4148                 $post_content = isset( $content_struct['description'] ) ? $content_struct['description'] : null;
4149
4150                 $post_status = $publish ? 'publish' : 'draft';
4151
4152                 if ( isset( $content_struct["{$post_type}_status"] ) ) {
4153                         switch ( $content_struct["{$post_type}_status"] ) {
4154                                 case 'draft':
4155                                 case 'pending':
4156                                 case 'private':
4157                                 case 'publish':
4158                                         $post_status = $content_struct["{$post_type}_status"];
4159                                         break;
4160                                 default:
4161                                         $post_status = $publish ? 'publish' : 'draft';
4162                                         break;
4163                         }
4164                 }
4165
4166                 $post_excerpt = isset($content_struct['mt_excerpt']) ? $content_struct['mt_excerpt'] : null;
4167                 $post_more = isset($content_struct['mt_text_more']) ? $content_struct['mt_text_more'] : null;
4168
4169                 $tags_input = isset($content_struct['mt_keywords']) ? $content_struct['mt_keywords'] : null;
4170
4171                 if ( isset($content_struct['mt_allow_comments']) ) {
4172                         if ( !is_numeric($content_struct['mt_allow_comments']) ) {
4173                                 switch ( $content_struct['mt_allow_comments'] ) {
4174                                         case 'closed':
4175                                                 $comment_status = 'closed';
4176                                                 break;
4177                                         case 'open':
4178                                                 $comment_status = 'open';
4179                                                 break;
4180                                         default:
4181                                                 $comment_status = get_option('default_comment_status');
4182                                                 break;
4183                                 }
4184                         } else {
4185                                 switch ( (int) $content_struct['mt_allow_comments'] ) {
4186                                         case 0:
4187                                         case 2:
4188                                                 $comment_status = 'closed';
4189                                                 break;
4190                                         case 1:
4191                                                 $comment_status = 'open';
4192                                                 break;
4193                                         default:
4194                                                 $comment_status = get_option('default_comment_status');
4195                                                 break;
4196                                 }
4197                         }
4198                 } else {
4199                         $comment_status = get_option('default_comment_status');
4200                 }
4201
4202                 if ( isset($content_struct['mt_allow_pings']) ) {
4203                         if ( !is_numeric($content_struct['mt_allow_pings']) ) {
4204                                 switch ( $content_struct['mt_allow_pings'] ) {
4205                                         case 'closed':
4206                                                 $ping_status = 'closed';
4207                                                 break;
4208                                         case 'open':
4209                                                 $ping_status = 'open';
4210                                                 break;
4211                                         default:
4212                                                 $ping_status = get_option('default_ping_status');
4213                                                 break;
4214                                 }
4215                         } else {
4216                                 switch ( (int) $content_struct['mt_allow_pings'] ) {
4217                                         case 0:
4218                                                 $ping_status = 'closed';
4219                                                 break;
4220                                         case 1:
4221                                                 $ping_status = 'open';
4222                                                 break;
4223                                         default:
4224                                                 $ping_status = get_option('default_ping_status');
4225                                                 break;
4226                                 }
4227                         }
4228                 } else {
4229                         $ping_status = get_option('default_ping_status');
4230                 }
4231
4232                 if ( $post_more )
4233                         $post_content = $post_content . '<!--more-->' . $post_more;
4234
4235                 $to_ping = null;
4236                 if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
4237                         $to_ping = $content_struct['mt_tb_ping_urls'];
4238                         if ( is_array($to_ping) )
4239                                 $to_ping = implode(' ', $to_ping);
4240                 }
4241
4242                 // Do some timestamp voodoo
4243                 if ( !empty( $content_struct['date_created_gmt'] ) )
4244                         // We know this is supposed to be GMT, so we're going to slap that Z on there by force
4245                         $dateCreated = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
4246                 elseif ( !empty( $content_struct['dateCreated']) )
4247                         $dateCreated = $content_struct['dateCreated']->getIso();
4248
4249                 if ( !empty( $dateCreated ) ) {
4250                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
4251                         $post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
4252                 } else {
4253                         $post_date = current_time('mysql');
4254                         $post_date_gmt = current_time('mysql', 1);
4255                 }
4256
4257                 $post_category = array();
4258                 if ( isset( $content_struct['categories'] ) ) {
4259                         $catnames = $content_struct['categories'];
4260
4261                         if ( is_array($catnames) ) {
4262                                 foreach ($catnames as $cat) {
4263                                         $post_category[] = get_cat_ID($cat);
4264                                 }
4265                         }
4266                 }
4267
4268                 $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'to_ping', 'post_type', 'post_name', 'post_password', 'post_parent', 'menu_order', 'tags_input', 'page_template');
4269
4270                 $post_ID = $postdata['ID'] = get_default_post_to_edit( $post_type, true )->ID;
4271
4272                 // Only posts can be sticky
4273                 if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
4274                         if ( $content_struct['sticky'] == true )
4275                                 stick_post( $post_ID );
4276                         elseif ( $content_struct['sticky'] == false )
4277                                 unstick_post( $post_ID );
4278                 }
4279
4280                 if ( isset($content_struct['custom_fields']) )
4281                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
4282
4283                 if ( isset ( $content_struct['wp_post_thumbnail'] ) ) {
4284                         if ( set_post_thumbnail( $post_ID, $content_struct['wp_post_thumbnail'] ) === false )
4285                                 return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
4286
4287                         unset( $content_struct['wp_post_thumbnail'] );
4288                 }
4289
4290                 // Handle enclosures
4291                 $thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
4292                 $this->add_enclosure_if_new($post_ID, $thisEnclosure);
4293
4294                 $this->attach_uploads( $post_ID, $post_content );
4295
4296                 // Handle post formats if assigned, value is validated earlier
4297                 // in this function
4298                 if ( isset( $content_struct['wp_post_format'] ) )
4299                         set_post_format( $post_ID, $content_struct['wp_post_format'] );
4300
4301                 $post_ID = wp_insert_post( $postdata, true );
4302                 if ( is_wp_error( $post_ID ) )
4303                         return new IXR_Error(500, $post_ID->get_error_message());
4304
4305                 if ( !$post_ID )
4306                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
4307
4308                 do_action( 'xmlrpc_call_success_mw_newPost', $post_ID, $args );
4309
4310                 return strval($post_ID);
4311         }
4312
4313         function add_enclosure_if_new( $post_ID, $enclosure ) {
4314                 if ( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
4315                         $encstring = $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] . "\n";
4316                         $found = false;
4317                         if ( $enclosures = get_post_meta( $post_ID, 'enclosure' ) ) {
4318                                 foreach ( $enclosures as $enc ) {
4319                                         // This method used to omit the trailing new line. #23219
4320                                         if ( rtrim( $enc, "\n" ) == rtrim( $encstring, "\n" ) ) {
4321                                                 $found = true;
4322                                                 break;
4323                                         }
4324                                 }
4325                         }
4326                         if ( ! $found )
4327                                 add_post_meta( $post_ID, 'enclosure', $encstring );
4328                 }
4329         }
4330
4331         /**
4332          * Attach upload to a post.
4333          *
4334          * @since 2.1.0
4335          *
4336          * @param int $post_ID Post ID.
4337          * @param string $post_content Post Content for attachment.
4338          */
4339         function attach_uploads( $post_ID, $post_content ) {
4340                 global $wpdb;
4341
4342                 // find any unattached files
4343                 $attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '0' AND post_type = 'attachment'" );
4344                 if ( is_array( $attachments ) ) {
4345                         foreach ( $attachments as $file ) {
4346                                 if ( ! empty( $file->guid ) && strpos( $post_content, $file->guid ) !== false )
4347                                         $wpdb->update($wpdb->posts, array('post_parent' => $post_ID), array('ID' => $file->ID) );
4348                         }
4349                 }
4350         }
4351
4352         /**
4353          * Edit a post.
4354          *
4355          * @since 1.5.0
4356          *
4357          * @param array $args Method parameters.
4358          * @return bool True on success.
4359          */
4360         function mw_editPost($args) {
4361
4362                 $this->escape($args);
4363
4364                 $post_ID        = (int) $args[0];
4365                 $username       = $args[1];
4366                 $password       = $args[2];
4367                 $content_struct = $args[3];
4368                 $publish        = isset( $args[4] ) ? $args[4] : 0;
4369
4370                 if ( ! $user = $this->login($username, $password) )
4371                         return $this->error;
4372
4373                 do_action('xmlrpc_call', 'metaWeblog.editPost');
4374
4375                 $postdata = get_post( $post_ID, ARRAY_A );
4376
4377                 // If there is no post data for the give post id, stop
4378                 // now and return an error. Other wise a new post will be
4379                 // created (which was the old behavior).
4380                 if ( ! $postdata || empty( $postdata[ 'ID' ] ) )
4381                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
4382
4383                 if ( ! current_user_can( 'edit_post', $post_ID ) )
4384                         return new IXR_Error( 401, __( 'Sorry, you do not have the right to edit this post.' ) );
4385
4386                 // Use wp.editPost to edit post types other than post and page.
4387                 if ( ! in_array( $postdata[ 'post_type' ], array( 'post', 'page' ) ) )
4388                         return new IXR_Error( 401, __( 'Invalid post type' ) );
4389
4390                 // Thwart attempt to change the post type.
4391                 if ( ! empty( $content_struct[ 'post_type' ] ) && ( $content_struct['post_type'] != $postdata[ 'post_type' ] ) )
4392                         return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
4393
4394                 // Check for a valid post format if one was given
4395                 if ( isset( $content_struct['wp_post_format'] ) ) {
4396                         $content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
4397                         if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
4398                                 return new IXR_Error( 404, __( 'Invalid post format' ) );
4399                         }
4400                 }
4401
4402                 $this->escape($postdata);
4403                 extract($postdata, EXTR_SKIP);
4404
4405                 // Let WordPress manage slug if none was provided.
4406                 $post_name = "";
4407                 $post_name = $postdata['post_name'];
4408                 if ( isset($content_struct['wp_slug']) )
4409                         $post_name = $content_struct['wp_slug'];
4410
4411                 // Only use a password if one was given.
4412                 if ( isset($content_struct['wp_password']) )
4413                         $post_password = $content_struct['wp_password'];
4414
4415                 // Only set a post parent if one was given.
4416                 if ( isset($content_struct['wp_page_parent_id']) )
4417                         $post_parent = $content_struct['wp_page_parent_id'];
4418
4419                 // Only set the menu_order if it was given.
4420                 if ( isset($content_struct['wp_page_order']) )
4421                         $menu_order = $content_struct['wp_page_order'];
4422
4423                 if ( ! empty( $content_struct['wp_page_template'] ) && 'page' == $post_type )
4424                         $page_template = $content_struct['wp_page_template'];
4425
4426                 $post_author = $postdata['post_author'];
4427
4428                 // Only set the post_author if one is set.
4429                 if ( isset($content_struct['wp_author_id']) && ($user->ID != $content_struct['wp_author_id']) ) {
4430                         switch ( $post_type ) {
4431                                 case 'post':
4432                                         if ( !current_user_can('edit_others_posts') )
4433                                                 return(new IXR_Error(401, __('You are not allowed to change the post author as this user.')));
4434                                         break;
4435                                 case 'page':
4436                                         if ( !current_user_can('edit_others_pages') )
4437                                                 return(new IXR_Error(401, __('You are not allowed to change the page author as this user.')));
4438                                         break;
4439                                 default:
4440                                         return(new IXR_Error(401, __('Invalid post type')));
4441                                         break;
4442                         }
4443                         $post_author = $content_struct['wp_author_id'];
4444                 }
4445
4446                 if ( isset($content_struct['mt_allow_comments']) ) {
4447                         if ( !is_numeric($content_struct['mt_allow_comments']) ) {
4448                                 switch ( $content_struct['mt_allow_comments'] ) {
4449                                         case 'closed':
4450                                                 $comment_status = 'closed';
4451                                                 break;
4452                                         case 'open':
4453                                                 $comment_status = 'open';
4454                                                 break;
4455                                         default:
4456                                                 $comment_status = get_option('default_comment_status');
4457                                                 break;
4458                                 }
4459                         } else {
4460                                 switch ( (int) $content_struct['mt_allow_comments'] ) {
4461                                         case 0:
4462                                         case 2:
4463                                                 $comment_status = 'closed';
4464                                                 break;
4465                                         case 1:
4466                                                 $comment_status = 'open';
4467                                                 break;
4468                                         default:
4469                                                 $comment_status = get_option('default_comment_status');
4470                                                 break;
4471                                 }
4472                         }
4473                 }
4474
4475                 if ( isset($content_struct['mt_allow_pings']) ) {
4476                         if ( !is_numeric($content_struct['mt_allow_pings']) ) {
4477                                 switch ( $content_struct['mt_allow_pings'] ) {
4478                                         case 'closed':
4479                                                 $ping_status = 'closed';
4480                                                 break;
4481                                         case 'open':
4482                                                 $ping_status = 'open';
4483                                                 break;
4484                                         default:
4485                                                 $ping_status = get_option('default_ping_status');
4486                                                 break;
4487                                 }
4488                         } else {
4489                                 switch ( (int) $content_struct["mt_allow_pings"] ) {
4490                                         case 0:
4491                                                 $ping_status = 'closed';
4492                                                 break;
4493                                         case 1:
4494                                                 $ping_status = 'open';
4495                                                 break;
4496                                         default:
4497                                                 $ping_status = get_option('default_ping_status');
4498                                                 break;
4499                                 }
4500                         }
4501                 }
4502
4503                 if ( isset( $content_struct['title'] ) )
4504                         $post_title =  $content_struct['title'];
4505
4506                 if ( isset( $content_struct['description'] ) )
4507                         $post_content = $content_struct['description'];
4508
4509                 $post_category = array();
4510                 if ( isset( $content_struct['categories'] ) ) {
4511                         $catnames = $content_struct['categories'];
4512                         if ( is_array($catnames) ) {
4513                                 foreach ($catnames as $cat) {
4514                                         $post_category[] = get_cat_ID($cat);
4515                                 }
4516                         }
4517                 }
4518
4519                 if ( isset( $content_struct['mt_excerpt'] ) )
4520                         $post_excerpt =  $content_struct['mt_excerpt'];
4521
4522                 $post_more = isset( $content_struct['mt_text_more'] ) ? $content_struct['mt_text_more'] : null;
4523
4524                 $post_status = $publish ? 'publish' : 'draft';
4525                 if ( isset( $content_struct["{$post_type}_status"] ) ) {
4526                         switch( $content_struct["{$post_type}_status"] ) {
4527                                 case 'draft':
4528                                 case 'pending':
4529                                 case 'private':
4530                                 case 'publish':
4531                                         $post_status = $content_struct["{$post_type}_status"];
4532                                         break;
4533                                 default:
4534                                         $post_status = $publish ? 'publish' : 'draft';
4535                                         break;
4536                         }
4537                 }
4538
4539                 $tags_input = isset( $content_struct['mt_keywords'] ) ? $content_struct['mt_keywords'] : null;
4540
4541                 if ( ('publish' == $post_status) ) {
4542                         if ( ( 'page' == $post_type ) && !current_user_can('publish_pages') )
4543                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this page.'));
4544                         else if ( !current_user_can('publish_posts') )
4545                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
4546                 }
4547
4548                 if ( $post_more )
4549                         $post_content = $post_content . "<!--more-->" . $post_more;
4550
4551                 $to_ping = null;
4552                 if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
4553                         $to_ping = $content_struct['mt_tb_ping_urls'];
4554                         if ( is_array($to_ping) )
4555                                 $to_ping = implode(' ', $to_ping);
4556                 }
4557
4558                 // Do some timestamp voodoo
4559                 if ( !empty( $content_struct['date_created_gmt'] ) )
4560                         // We know this is supposed to be GMT, so we're going to slap that Z on there by force
4561                         $dateCreated = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
4562                 elseif ( !empty( $content_struct['dateCreated']) )
4563                         $dateCreated = $content_struct['dateCreated']->getIso();
4564
4565                 if ( !empty( $dateCreated ) ) {
4566                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
4567                         $post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
4568                 } else {
4569                         $post_date     = $postdata['post_date'];
4570                         $post_date_gmt = $postdata['post_date_gmt'];
4571                 }
4572
4573                 // We've got all the data -- post it:
4574                 $newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template');
4575
4576                 $result = wp_update_post($newpost, true);
4577                 if ( is_wp_error( $result ) )
4578                         return new IXR_Error(500, $result->get_error_message());
4579
4580                 if ( !$result )
4581                         return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
4582
4583                 // Only posts can be sticky
4584                 if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
4585                         if ( $content_struct['sticky'] == true )
4586                                 stick_post( $post_ID );
4587                         elseif ( $content_struct['sticky'] == false )
4588                                 unstick_post( $post_ID );
4589                 }
4590
4591                 if ( isset($content_struct['custom_fields']) )
4592                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
4593
4594                 if ( isset ( $content_struct['wp_post_thumbnail'] ) ) {
4595                         // empty value deletes, non-empty value adds/updates
4596                         if ( empty( $content_struct['wp_post_thumbnail'] ) ) {
4597                                 delete_post_thumbnail( $post_ID );
4598                         } else {
4599                                 if ( set_post_thumbnail( $post_ID, $content_struct['wp_post_thumbnail'] ) === false )
4600                                         return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
4601                         }
4602                         unset( $content_struct['wp_post_thumbnail'] );
4603                 }
4604
4605                 // Handle enclosures
4606                 $thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
4607                 $this->add_enclosure_if_new($post_ID, $thisEnclosure);
4608
4609                 $this->attach_uploads( $ID, $post_content );
4610
4611                 // Handle post formats if assigned, validation is handled
4612                 // earlier in this function
4613                 if ( isset( $content_struct['wp_post_format'] ) )
4614                         set_post_format( $post_ID, $content_struct['wp_post_format'] );
4615
4616                 do_action( 'xmlrpc_call_success_mw_editPost', $post_ID, $args );
4617
4618                 return true;
4619         }
4620
4621         /**
4622          * Retrieve post.
4623          *
4624          * @since 1.5.0
4625          *
4626          * @param array $args Method parameters.
4627          * @return array
4628          */
4629         function mw_getPost($args) {
4630
4631                 $this->escape($args);
4632
4633                 $post_ID     = (int) $args[0];
4634                 $username  = $args[1];
4635                 $password   = $args[2];
4636
4637                 if ( !$user = $this->login($username, $password) )
4638                         return $this->error;
4639
4640                 $postdata = get_post($post_ID, ARRAY_A);
4641                 if ( ! $postdata )
4642                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
4643
4644                 if ( !current_user_can( 'edit_post', $post_ID ) )
4645                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
4646
4647                 do_action('xmlrpc_call', 'metaWeblog.getPost');
4648
4649                 if ($postdata['post_date'] != '') {
4650                         $post_date = $this->_convert_date( $postdata['post_date'] );
4651                         $post_date_gmt = $this->_convert_date_gmt( $postdata['post_date_gmt'],  $postdata['post_date'] );
4652                         $post_modified = $this->_convert_date( $postdata['post_modified'] );
4653                         $post_modified_gmt = $this->_convert_date_gmt( $postdata['post_modified_gmt'], $postdata['post_modified'] );
4654
4655                         $categories = array();
4656                         $catids = wp_get_post_categories($post_ID);
4657                         foreach($catids as $catid)
4658                                 $categories[] = get_cat_name($catid);
4659
4660                         $tagnames = array();
4661                         $tags = wp_get_post_tags( $post_ID );
4662                         if ( !empty( $tags ) ) {
4663                                 foreach ( $tags as $tag )
4664                                         $tagnames[] = $tag->name;
4665                                 $tagnames = implode( ', ', $tagnames );
4666                         } else {
4667                                 $tagnames = '';
4668                         }
4669
4670                         $post = get_extended($postdata['post_content']);
4671                         $link = post_permalink($postdata['ID']);
4672
4673                         // Get the author info.
4674                         $author = get_userdata($postdata['post_author']);
4675
4676                         $allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
4677                         $allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;
4678
4679                         // Consider future posts as published
4680                         if ( $postdata['post_status'] === 'future' )
4681                                 $postdata['post_status'] = 'publish';
4682
4683                         // Get post format
4684                         $post_format = get_post_format( $post_ID );
4685                         if ( empty( $post_format ) )
4686                                 $post_format = 'standard';
4687
4688                         $sticky = false;
4689                         if ( is_sticky( $post_ID ) )
4690                                 $sticky = true;
4691
4692                         $enclosure = array();
4693                         foreach ( (array) get_post_custom($post_ID) as $key => $val) {
4694                                 if ($key == 'enclosure') {
4695                                         foreach ( (array) $val as $enc ) {
4696                                                 $encdata = explode("\n", $enc);
4697                                                 $enclosure['url'] = trim(htmlspecialchars($encdata[0]));
4698                                                 $enclosure['length'] = (int) trim($encdata[1]);
4699                                                 $enclosure['type'] = trim($encdata[2]);
4700                                                 break 2;
4701                                         }
4702                                 }
4703                         }
4704
4705                         $resp = array(
4706                                 'dateCreated' => $post_date,
4707                                 'userid' => $postdata['post_author'],
4708                                 'postid' => $postdata['ID'],
4709                                 'description' => $post['main'],
4710                                 'title' => $postdata['post_title'],
4711                                 'link' => $link,
4712                                 'permaLink' => $link,
4713                                 // commented out because no other tool seems to use this
4714                                 //            'content' => $entry['post_content'],
4715                                 'categories' => $categories,
4716                                 'mt_excerpt' => $postdata['post_excerpt'],
4717                                 'mt_text_more' => $post['extended'],
4718                                 'wp_more_text' => $post['more_text'],
4719                                 'mt_allow_comments' => $allow_comments,
4720                                 'mt_allow_pings' => $allow_pings,
4721                                 'mt_keywords' => $tagnames,
4722                                 'wp_slug' => $postdata['post_name'],
4723                                 'wp_password' => $postdata['post_password'],
4724                                 'wp_author_id' => (string) $author->ID,
4725                                 'wp_author_display_name' => $author->display_name,
4726                                 'date_created_gmt' => $post_date_gmt,
4727                                 'post_status' => $postdata['post_status'],
4728                                 'custom_fields' => $this->get_custom_fields($post_ID),
4729                                 'wp_post_format' => $post_format,
4730                                 'sticky' => $sticky,
4731                                 'date_modified' => $post_modified,
4732                                 'date_modified_gmt' => $post_modified_gmt
4733                         );
4734
4735                         if ( !empty($enclosure) ) $resp['enclosure'] = $enclosure;
4736
4737                         $resp['wp_post_thumbnail'] = get_post_thumbnail_id( $postdata['ID'] );
4738
4739                         return $resp;
4740                 } else {
4741                         return new IXR_Error(404, __('Sorry, no such post.'));
4742                 }
4743         }
4744
4745         /**
4746          * Retrieve list of recent posts.
4747          *
4748          * @since 1.5.0
4749          *
4750          * @param array $args Method parameters.
4751          * @return array
4752          */
4753         function mw_getRecentPosts($args) {
4754
4755                 $this->escape($args);
4756
4757                 $blog_ID     = (int) $args[0];
4758                 $username  = $args[1];
4759                 $password   = $args[2];
4760                 if ( isset( $args[3] ) )
4761                         $query = array( 'numberposts' => absint( $args[3] ) );
4762                 else
4763                         $query = array();
4764
4765                 if ( !$user = $this->login($username, $password) )
4766                         return $this->error;
4767
4768                 if ( ! current_user_can( 'edit_posts' ) )
4769                         return new IXR_Error( 401, __( 'Sorry, you cannot edit posts on this site.' ) );
4770
4771                 do_action('xmlrpc_call', 'metaWeblog.getRecentPosts');
4772
4773                 $posts_list = wp_get_recent_posts( $query );
4774
4775                 if ( !$posts_list )
4776                         return array();
4777
4778                 $struct = array();
4779                 foreach ($posts_list as $entry) {
4780                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
4781                                 continue;
4782
4783                         $post_date = $this->_convert_date( $entry['post_date'] );
4784                         $post_date_gmt = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );
4785                         $post_modified = $this->_convert_date( $entry['post_modified'] );
4786                         $post_modified_gmt = $this->_convert_date_gmt( $entry['post_modified_gmt'], $entry['post_modified'] );
4787
4788                         $categories = array();
4789                         $catids = wp_get_post_categories($entry['ID']);
4790                         foreach( $catids as $catid )
4791                                 $categories[] = get_cat_name($catid);
4792
4793                         $tagnames = array();
4794                         $tags = wp_get_post_tags( $entry['ID'] );
4795                         if ( !empty( $tags ) ) {
4796                                 foreach ( $tags as $tag ) {
4797                                         $tagnames[] = $tag->name;
4798                                 }
4799                                 $tagnames = implode( ', ', $tagnames );
4800                         } else {
4801                                 $tagnames = '';
4802                         }
4803
4804                         $post = get_extended($entry['post_content']);
4805                         $link = post_permalink($entry['ID']);
4806
4807                         // Get the post author info.
4808                         $author = get_userdata($entry['post_author']);
4809
4810                         $allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
4811                         $allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;
4812
4813                         // Consider future posts as published
4814                         if ( $entry['post_status'] === 'future' )
4815                                 $entry['post_status'] = 'publish';
4816
4817                         // Get post format
4818                         $post_format = get_post_format( $entry['ID'] );
4819                         if ( empty( $post_format ) )
4820                                 $post_format = 'standard';
4821
4822                         $struct[] = array(
4823                                 'dateCreated' => $post_date,
4824                                 'userid' => $entry['post_author'],
4825                                 'postid' => (string) $entry['ID'],
4826                                 'description' => $post['main'],
4827                                 'title' => $entry['post_title'],
4828                                 'link' => $link,
4829                                 'permaLink' => $link,
4830                                 // commented out because no other tool seems to use this
4831                                 // 'content' => $entry['post_content'],
4832                                 'categories' => $categories,
4833                                 'mt_excerpt' => $entry['post_excerpt'],
4834                                 'mt_text_more' => $post['extended'],
4835                                 'wp_more_text' => $post['more_text'],
4836                                 'mt_allow_comments' => $allow_comments,
4837                                 'mt_allow_pings' => $allow_pings,
4838                                 'mt_keywords' => $tagnames,
4839                                 'wp_slug' => $entry['post_name'],
4840                                 'wp_password' => $entry['post_password'],
4841                                 'wp_author_id' => (string) $author->ID,
4842                                 'wp_author_display_name' => $author->display_name,
4843                                 'date_created_gmt' => $post_date_gmt,
4844                                 'post_status' => $entry['post_status'],
4845                                 'custom_fields' => $this->get_custom_fields($entry['ID']),
4846                                 'wp_post_format' => $post_format,
4847                                 'date_modified' => $post_modified,
4848                                 'date_modified_gmt' => $post_modified_gmt
4849                         );
4850
4851                         $entry_index = count( $struct ) - 1;
4852                         $struct[ $entry_index ][ 'wp_post_thumbnail' ] = get_post_thumbnail_id( $entry['ID'] );
4853                 }
4854
4855                 $recent_posts = array();
4856                 for ( $j=0; $j<count($struct); $j++ ) {
4857                         array_push($recent_posts, $struct[$j]);
4858                 }
4859
4860                 return $recent_posts;
4861         }
4862
4863         /**
4864          * Retrieve the list of categories on a given blog.
4865          *
4866          * @since 1.5.0
4867          *
4868          * @param array $args Method parameters.
4869          * @return array
4870          */
4871         function mw_getCategories($args) {
4872
4873                 $this->escape($args);
4874
4875                 $blog_ID     = (int) $args[0];
4876                 $username  = $args[1];
4877                 $password   = $args[2];
4878
4879                 if ( !$user = $this->login($username, $password) )
4880                         return $this->error;
4881
4882                 if ( !current_user_can( 'edit_posts' ) )
4883                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
4884
4885                 do_action('xmlrpc_call', 'metaWeblog.getCategories');
4886
4887                 $categories_struct = array();
4888
4889                 if ( $cats = get_categories(array('get' => 'all')) ) {
4890                         foreach ( $cats as $cat ) {
4891                                 $struct['categoryId'] = $cat->term_id;
4892                                 $struct['parentId'] = $cat->parent;
4893                                 $struct['description'] = $cat->name;
4894                                 $struct['categoryDescription'] = $cat->description;
4895                                 $struct['categoryName'] = $cat->name;
4896                                 $struct['htmlUrl'] = esc_html(get_category_link($cat->term_id));
4897                                 $struct['rssUrl'] = esc_html(get_category_feed_link($cat->term_id, 'rss2'));
4898
4899                                 $categories_struct[] = $struct;
4900                         }
4901                 }
4902
4903                 return $categories_struct;
4904         }
4905
4906         /**
4907          * Uploads a file, following your settings.
4908          *
4909          * Adapted from a patch by Johann Richard.
4910          *
4911          * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
4912          *
4913          * @since 1.5.0
4914          *
4915          * @param array $args Method parameters.
4916          * @return array
4917          */
4918         function mw_newMediaObject($args) {
4919                 global $wpdb;
4920
4921                 $blog_ID     = (int) $args[0];
4922                 $username  = $this->escape($args[1]);
4923                 $password   = $this->escape($args[2]);
4924                 $data        = $args[3];
4925
4926                 $name = sanitize_file_name( $data['name'] );
4927                 $type = $data['type'];
4928                 $bits = $data['bits'];
4929
4930                 if ( !$user = $this->login($username, $password) )
4931                         return $this->error;
4932
4933                 do_action('xmlrpc_call', 'metaWeblog.newMediaObject');
4934
4935                 if ( !current_user_can('upload_files') ) {
4936                         $this->error = new IXR_Error( 401, __( 'You do not have permission to upload files.' ) );
4937                         return $this->error;
4938                 }
4939
4940                 if ( $upload_err = apply_filters( 'pre_upload_error', false ) )
4941                         return new IXR_Error(500, $upload_err);
4942
4943                 if ( !empty($data['overwrite']) && ($data['overwrite'] == true) ) {
4944                         // Get postmeta info on the object.
4945                         $old_file = $wpdb->get_row("
4946                                 SELECT ID
4947                                 FROM {$wpdb->posts}
4948                                 WHERE post_title = '{$name}'
4949                                         AND post_type = 'attachment'
4950                         ");
4951
4952                         // Delete previous file.
4953                         wp_delete_attachment($old_file->ID);
4954
4955                         // Make sure the new name is different by pre-pending the
4956                         // previous post id.
4957                         $filename = preg_replace('/^wpid\d+-/', '', $name);
4958                         $name = "wpid{$old_file->ID}-{$filename}";
4959                 }
4960
4961                 $upload = wp_upload_bits($name, null, $bits);
4962                 if ( ! empty($upload['error']) ) {
4963                         $errorString = sprintf(__('Could not write file %1$s (%2$s)'), $name, $upload['error']);
4964                         return new IXR_Error(500, $errorString);
4965                 }
4966                 // Construct the attachment array
4967                 $post_id = 0;
4968                 if ( ! empty( $data['post_id'] ) ) {
4969                         $post_id = (int) $data['post_id'];
4970
4971                         if ( ! current_user_can( 'edit_post', $post_id ) )
4972                                 return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
4973                 }
4974                 $attachment = array(
4975                         'post_title' => $name,
4976                         'post_content' => '',
4977                         'post_type' => 'attachment',
4978                         'post_parent' => $post_id,
4979                         'post_mime_type' => $type,
4980                         'guid' => $upload[ 'url' ]
4981                 );
4982
4983                 // Save the data
4984                 $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
4985                 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
4986
4987                 do_action( 'xmlrpc_call_success_mw_newMediaObject', $id, $args );
4988
4989                 $struct = array(
4990                         'id'   => strval( $id ),
4991                         'file' => $name,
4992                         'url'  => $upload[ 'url' ],
4993                         'type' => $type
4994                 );
4995                 return apply_filters( 'wp_handle_upload', $struct, 'upload' );
4996         }
4997
4998         /* MovableType API functions
4999          * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
5000          */
5001
5002         /**
5003          * Retrieve the post titles of recent posts.
5004          *
5005          * @since 1.5.0
5006          *
5007          * @param array $args Method parameters.
5008          * @return array
5009          */
5010         function mt_getRecentPostTitles($args) {
5011
5012                 $this->escape($args);
5013
5014                 $blog_ID     = (int) $args[0];
5015                 $username  = $args[1];
5016                 $password   = $args[2];
5017                 if ( isset( $args[3] ) )
5018                         $query = array( 'numberposts' => absint( $args[3] ) );
5019                 else
5020                         $query = array();
5021
5022                 if ( !$user = $this->login($username, $password) )
5023                         return $this->error;
5024
5025                 do_action('xmlrpc_call', 'mt.getRecentPostTitles');
5026
5027                 $posts_list = wp_get_recent_posts( $query );
5028
5029                 if ( !$posts_list ) {
5030                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
5031                         return $this->error;
5032                 }
5033
5034                 $struct = array();
5035
5036                 foreach ($posts_list as $entry) {
5037                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
5038                                 continue;
5039
5040                         $post_date = $this->_convert_date( $entry['post_date'] );
5041                         $post_date_gmt = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );
5042
5043                         $struct[] = array(
5044                                 'dateCreated' => $post_date,
5045                                 'userid' => $entry['post_author'],
5046                                 'postid' => (string) $entry['ID'],
5047                                 'title' => $entry['post_title'],
5048                                 'post_status' => $entry['post_status'],
5049                                 'date_created_gmt' => $post_date_gmt
5050                         );
5051
5052                 }
5053
5054                 $recent_posts = array();
5055                 for ( $j=0; $j<count($struct); $j++ ) {
5056                         array_push($recent_posts, $struct[$j]);
5057                 }
5058
5059                 return $recent_posts;
5060         }
5061
5062         /**
5063          * Retrieve list of all categories on blog.
5064          *
5065          * @since 1.5.0
5066          *
5067          * @param array $args Method parameters.
5068          * @return array
5069          */
5070         function mt_getCategoryList($args) {
5071
5072                 $this->escape($args);
5073
5074                 $blog_ID     = (int) $args[0];
5075                 $username  = $args[1];
5076                 $password   = $args[2];
5077
5078                 if ( !$user = $this->login($username, $password) )
5079                         return $this->error;
5080
5081                 if ( !current_user_can( 'edit_posts' ) )
5082                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
5083
5084                 do_action('xmlrpc_call', 'mt.getCategoryList');
5085
5086                 $categories_struct = array();
5087
5088                 if ( $cats = get_categories(array('hide_empty' => 0, 'hierarchical' => 0)) ) {
5089                         foreach ( $cats as $cat ) {
5090                                 $struct['categoryId'] = $cat->term_id;
5091                                 $struct['categoryName'] = $cat->name;
5092
5093                                 $categories_struct[] = $struct;
5094                         }
5095                 }
5096
5097                 return $categories_struct;
5098         }
5099
5100         /**
5101          * Retrieve post categories.
5102          *
5103          * @since 1.5.0
5104          *
5105          * @param array $args Method parameters.
5106          * @return array
5107          */
5108         function mt_getPostCategories($args) {
5109
5110                 $this->escape($args);
5111
5112                 $post_ID     = (int) $args[0];
5113                 $username  = $args[1];
5114                 $password   = $args[2];
5115
5116                 if ( !$user = $this->login($username, $password) )
5117                         return $this->error;
5118
5119                 if ( ! get_post( $post_ID ) )
5120                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
5121
5122                 if ( !current_user_can( 'edit_post', $post_ID ) )
5123                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
5124
5125                 do_action('xmlrpc_call', 'mt.getPostCategories');
5126
5127                 $categories = array();
5128                 $catids = wp_get_post_categories(intval($post_ID));
5129                 // first listed category will be the primary category
5130                 $isPrimary = true;
5131                 foreach ( $catids as $catid ) {
5132                         $categories[] = array(
5133                                 'categoryName' => get_cat_name($catid),
5134                                 'categoryId' => (string) $catid,
5135                                 'isPrimary' => $isPrimary
5136                         );
5137                         $isPrimary = false;
5138                 }
5139
5140                 return $categories;
5141         }
5142
5143         /**
5144          * Sets categories for a post.
5145          *
5146          * @since 1.5.0
5147          *
5148          * @param array $args Method parameters.
5149          * @return bool True on success.
5150          */
5151         function mt_setPostCategories($args) {
5152
5153                 $this->escape($args);
5154
5155                 $post_ID     = (int) $args[0];
5156                 $username  = $args[1];
5157                 $password   = $args[2];
5158                 $categories  = $args[3];
5159
5160                 if ( !$user = $this->login($username, $password) )
5161                         return $this->error;
5162
5163                 do_action('xmlrpc_call', 'mt.setPostCategories');
5164
5165                 if ( ! get_post( $post_ID ) )
5166                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
5167
5168                 if ( !current_user_can('edit_post', $post_ID) )
5169                         return new IXR_Error(401, __('Sorry, you cannot edit this post.'));
5170
5171                 $catids = array();
5172                 foreach ( $categories as $cat ) {
5173                         $catids[] = $cat['categoryId'];
5174                 }
5175
5176                 wp_set_post_categories($post_ID, $catids);
5177
5178                 return true;
5179         }
5180
5181         /**
5182          * Retrieve an array of methods supported by this server.
5183          *
5184          * @since 1.5.0
5185          *
5186          * @param array $args Method parameters.
5187          * @return array
5188          */
5189         function mt_supportedMethods($args) {
5190
5191                 do_action('xmlrpc_call', 'mt.supportedMethods');
5192
5193                 $supported_methods = array();
5194                 foreach ( $this->methods as $key => $value ) {
5195                         $supported_methods[] = $key;
5196                 }
5197
5198                 return $supported_methods;
5199         }
5200
5201         /**
5202          * Retrieve an empty array because we don't support per-post text filters.
5203          *
5204          * @since 1.5.0
5205          *
5206          * @param array $args Method parameters.
5207          */
5208         function mt_supportedTextFilters($args) {
5209                 do_action('xmlrpc_call', 'mt.supportedTextFilters');
5210                 return apply_filters('xmlrpc_text_filters', array());
5211         }
5212
5213         /**
5214          * Retrieve trackbacks sent to a given post.
5215          *
5216          * @since 1.5.0
5217          *
5218          * @param array $args Method parameters.
5219          * @return mixed
5220          */
5221         function mt_getTrackbackPings($args) {
5222
5223                 global $wpdb;
5224
5225                 $post_ID = intval($args);
5226
5227                 do_action('xmlrpc_call', 'mt.getTrackbackPings');
5228
5229                 $actual_post = get_post($post_ID, ARRAY_A);
5230
5231                 if ( !$actual_post )
5232                         return new IXR_Error(404, __('Sorry, no such post.'));
5233
5234                 $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
5235
5236                 if ( !$comments )
5237                         return array();
5238
5239                 $trackback_pings = array();
5240                 foreach ( $comments as $comment ) {
5241                         if ( 'trackback' == $comment->comment_type ) {
5242                                 $content = $comment->comment_content;
5243                                 $title = substr($content, 8, (strpos($content, '</strong>') - 8));
5244                                 $trackback_pings[] = array(
5245                                         'pingTitle' => $title,
5246                                         'pingURL'   => $comment->comment_author_url,
5247                                         'pingIP'    => $comment->comment_author_IP
5248                                 );
5249                         }
5250                 }
5251
5252                 return $trackback_pings;
5253         }
5254
5255         /**
5256          * Sets a post's publish status to 'publish'.
5257          *
5258          * @since 1.5.0
5259          *
5260          * @param array $args Method parameters.
5261          * @return int
5262          */
5263         function mt_publishPost($args) {
5264
5265                 $this->escape($args);
5266
5267                 $post_ID     = (int) $args[0];
5268                 $username  = $args[1];
5269                 $password   = $args[2];
5270
5271                 if ( !$user = $this->login($username, $password) )
5272                         return $this->error;
5273
5274                 do_action('xmlrpc_call', 'mt.publishPost');
5275
5276                 $postdata = get_post($post_ID, ARRAY_A);
5277                 if ( ! $postdata )
5278                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
5279
5280                 if ( !current_user_can('publish_posts') || !current_user_can('edit_post', $post_ID) )
5281                         return new IXR_Error(401, __('Sorry, you cannot publish this post.'));
5282
5283                 $postdata['post_status'] = 'publish';
5284
5285                 // retain old cats
5286                 $cats = wp_get_post_categories($post_ID);
5287                 $postdata['post_category'] = $cats;
5288                 $this->escape($postdata);
5289
5290                 $result = wp_update_post($postdata);
5291
5292                 return $result;
5293         }
5294
5295         /* PingBack functions
5296          * specs on www.hixie.ch/specs/pingback/pingback
5297          */
5298
5299         /**
5300          * Retrieves a pingback and registers it.
5301          *
5302          * @since 1.5.0
5303          *
5304          * @param array $args Method parameters.
5305          * @return array
5306          */
5307         function pingback_ping($args) {
5308                 global $wpdb;
5309
5310                 do_action('xmlrpc_call', 'pingback.ping');
5311
5312                 $this->escape($args);
5313
5314                 $pagelinkedfrom = $args[0];
5315                 $pagelinkedto   = $args[1];
5316
5317                 $title = '';
5318
5319                 $pagelinkedfrom = str_replace('&amp;', '&', $pagelinkedfrom);
5320                 $pagelinkedto = str_replace('&amp;', '&', $pagelinkedto);
5321                 $pagelinkedto = str_replace('&', '&amp;', $pagelinkedto);
5322
5323                 $pagelinkedfrom = apply_filters( 'pingback_ping_source_uri', $pagelinkedfrom, $pagelinkedto );
5324                 if ( ! $pagelinkedfrom )
5325                         return $this->pingback_error( 0, __( 'A valid URL was not provided.' ) );
5326
5327                 // Check if the page linked to is in our site
5328                 $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
5329                 if ( !$pos1 )
5330                         return $this->pingback_error( 0, __( 'Is there no link to us?' ) );
5331
5332                 // let's find which post is linked to
5333                 // FIXME: does url_to_postid() cover all these cases already?
5334                 //        if so, then let's use it and drop the old code.
5335                 $urltest = parse_url($pagelinkedto);
5336                 if ( $post_ID = url_to_postid($pagelinkedto) ) {
5337                         $way = 'url_to_postid()';
5338                 } elseif ( preg_match('#p/[0-9]{1,}#', $urltest['path'], $match) ) {
5339                         // the path defines the post_ID (archives/p/XXXX)
5340                         $blah = explode('/', $match[0]);
5341                         $post_ID = (int) $blah[1];
5342                         $way = 'from the path';
5343                 } elseif ( isset( $urltest['query'] ) && preg_match('#p=[0-9]{1,}#', $urltest['query'], $match) ) {
5344                         // the querystring defines the post_ID (?p=XXXX)
5345                         $blah = explode('=', $match[0]);
5346                         $post_ID = (int) $blah[1];
5347                         $way = 'from the querystring';
5348                 } elseif ( isset($urltest['fragment']) ) {
5349                         // an #anchor is there, it's either...
5350                         if ( intval($urltest['fragment']) ) {
5351                                 // ...an integer #XXXX (simplest case)
5352                                 $post_ID = (int) $urltest['fragment'];
5353                                 $way = 'from the fragment (numeric)';
5354                         } elseif ( preg_match('/post-[0-9]+/',$urltest['fragment']) ) {
5355                                 // ...a post id in the form 'post-###'
5356                                 $post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
5357                                 $way = 'from the fragment (post-###)';
5358                         } elseif ( is_string($urltest['fragment']) ) {
5359                                 // ...or a string #title, a little more complicated
5360                                 $title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
5361                                 $sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", like_escape( $title ) );
5362                                 if (! ($post_ID = $wpdb->get_var($sql)) ) {
5363                                         // returning unknown error '0' is better than die()ing
5364                                         return $this->pingback_error( 0, '' );
5365                                 }
5366                                 $way = 'from the fragment (title)';
5367                         }
5368                 } else {
5369                         // TODO: Attempt to extract a post ID from the given URL
5370                         return $this->pingback_error( 33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
5371                 }
5372                 $post_ID = (int) $post_ID;
5373
5374                 $post = get_post($post_ID);
5375
5376                 if ( !$post ) // Post_ID not found
5377                         return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
5378
5379                 if ( $post_ID == url_to_postid($pagelinkedfrom) )
5380                         return $this->pingback_error( 0, __( 'The source URL and the target URL cannot both point to the same resource.' ) );
5381
5382                 // Check if pings are on
5383                 if ( !pings_open($post) )
5384                         return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
5385
5386                 // Let's check that the remote site didn't already pingback this entry
5387                 if ( $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) ) )
5388                         return $this->pingback_error( 48, __( 'The pingback has already been registered.' ) );
5389
5390                 // very stupid, but gives time to the 'from' server to publish !
5391                 sleep(1);
5392
5393                 $remote_ip = preg_replace( '/[^0-9a-fA-F:., ]/', '', $_SERVER['REMOTE_ADDR'] );
5394                 $user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . $GLOBALS['wp_version'] . '; ' . get_bloginfo( 'url' ) );
5395
5396                 // Let's check the remote site
5397                 $http_api_args = array(
5398                         'timeout' => 10,
5399                         'redirection' => 0,
5400                         'limit_response_size' => 153600, // 150 KB
5401                         'user-agent' => "$user_agent; verifying pingback from $remote_ip",
5402                         'headers' => array(
5403                                 'X-Pingback-Forwarded-For' => $remote_ip,
5404                         ),
5405                 );
5406                 $linea = wp_remote_retrieve_body( wp_safe_remote_get( $pagelinkedfrom, $http_api_args ) );
5407
5408                 if ( !$linea )
5409                         return $this->pingback_error( 16, __( 'The source URL does not exist.' ) );
5410
5411                 $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto);
5412
5413                 // Work around bug in strip_tags():
5414                 $linea = str_replace('<!DOC', '<DOC', $linea);
5415                 $linea = preg_replace( '/[\r\n\t ]+/', ' ', $linea ); // normalize spaces
5416                 $linea = preg_replace( "/<\/*(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );
5417
5418                 preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);
5419                 $title = $matchtitle[1];
5420                 if ( empty( $title ) )
5421                         return $this->pingback_error( 32, __('We cannot find a title on that page.' ) );
5422
5423                 $linea = strip_tags( $linea, '<a>' ); // just keep the tag we need
5424
5425                 $p = explode( "\n\n", $linea );
5426
5427                 $preg_target = preg_quote($pagelinkedto, '|');
5428
5429                 foreach ( $p as $para ) {
5430                         if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
5431                                 preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);
5432
5433                                 // If the URL isn't in a link context, keep looking
5434                                 if ( empty($context) )
5435                                         continue;
5436
5437                                 // We're going to use this fake tag to mark the context in a bit
5438                                 // the marker is needed in case the link text appears more than once in the paragraph
5439                                 $excerpt = preg_replace('|\</?wpcontext\>|', '', $para);
5440
5441                                 // prevent really long link text
5442                                 if ( strlen($context[1]) > 100 )
5443                                         $context[1] = substr($context[1], 0, 100) . '&#8230;';
5444
5445                                 $marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
5446                                 $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
5447                                 $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
5448                                 $excerpt = trim($excerpt);
5449                                 $preg_marker = preg_quote($marker, '|');
5450                                 $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
5451                                 $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
5452                                 break;
5453                         }
5454                 }
5455
5456                 if ( empty($context) ) // Link to target not found
5457                         return $this->pingback_error( 17, __( 'The source URL does not contain a link to the target URL, and so cannot be used as a source.' ) );
5458
5459                 $pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
5460
5461                 $context = '[&#8230;] ' . esc_html( $excerpt ) . ' [&#8230;]';
5462                 $pagelinkedfrom = $this->escape( $pagelinkedfrom );
5463
5464                 $comment_post_ID = (int) $post_ID;
5465                 $comment_author = $title;
5466                 $comment_author_email = '';
5467                 $this->escape($comment_author);
5468                 $comment_author_url = $pagelinkedfrom;
5469                 $comment_content = $context;
5470                 $this->escape($comment_content);
5471                 $comment_type = 'pingback';
5472
5473                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_content', 'comment_type');
5474
5475                 $comment_ID = wp_new_comment($commentdata);
5476                 do_action('pingback_post', $comment_ID);
5477
5478                 return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
5479         }
5480
5481         /**
5482          * Retrieve array of URLs that pingbacked the given URL.
5483          *
5484          * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
5485          *
5486          * @since 1.5.0
5487          *
5488          * @param array $args Method parameters.
5489          * @return array
5490          */
5491         function pingback_extensions_getPingbacks($args) {
5492
5493                 global $wpdb;
5494
5495                 do_action('xmlrpc_call', 'pingback.extensions.getPingbacks');
5496
5497                 $this->escape($args);
5498
5499                 $url = $args;
5500
5501                 $post_ID = url_to_postid($url);
5502                 if ( !$post_ID ) {
5503                         // We aren't sure that the resource is available and/or pingback enabled
5504                         return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
5505                 }
5506
5507                 $actual_post = get_post($post_ID, ARRAY_A);
5508
5509                 if ( !$actual_post ) {
5510                         // No such post = resource not found
5511                         return $this->pingback_error( 32, __('The specified target URL does not exist.' ) );
5512                 }
5513
5514                 $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
5515
5516                 if ( !$comments )
5517                         return array();
5518
5519                 $pingbacks = array();
5520                 foreach ( $comments as $comment ) {
5521                         if ( 'pingback' == $comment->comment_type )
5522                                 $pingbacks[] = $comment->comment_author_url;
5523                 }
5524
5525                 return $pingbacks;
5526         }
5527
5528         protected function pingback_error( $code, $message ) {
5529                 return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );
5530         }
5531 }