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 compatability for Blogger API, MetaWeblog API, MovableType, and
  12  * pingback. Additional WordPress API for managing comments, pages, posts,
  13  * options, etc.
  14  *
  15  * Since WordPress 2.6.0, WordPress XMLRPC server can be disabled in the
  16  * administration panels.
  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          * PHP4 constructor and 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 wp_xmlrpc_server() {
  36                 $this->methods = array(
  37                         // WordPress API
  38                         'wp.getUsersBlogs'              => 'this:wp_getUsersBlogs',
  39                         'wp.getPage'                    => 'this:wp_getPage',
  40                         'wp.getPages'                   => 'this:wp_getPages',
  41                         'wp.newPage'                    => 'this:wp_newPage',
  42                         'wp.deletePage'                 => 'this:wp_deletePage',
  43                         'wp.editPage'                   => 'this:wp_editPage',
  44                         'wp.getPageList'                => 'this:wp_getPageList',
  45                         'wp.getAuthors'                 => 'this:wp_getAuthors',
  46                         'wp.getCategories'              => 'this:mw_getCategories',             // Alias
  47                         'wp.getTags'                    => 'this:wp_getTags',
  48                         'wp.newCategory'                => 'this:wp_newCategory',
  49                         'wp.deleteCategory'             => 'this:wp_deleteCategory',
  50                         'wp.suggestCategories'  => 'this:wp_suggestCategories',
  51                         'wp.uploadFile'                 => 'this:mw_newMediaObject',    // Alias
  52                         'wp.getCommentCount'    => 'this:wp_getCommentCount',
  53                         'wp.getPostStatusList'  => 'this:wp_getPostStatusList',
  54                         'wp.getPageStatusList'  => 'this:wp_getPageStatusList',
  55                         'wp.getPageTemplates'   => 'this:wp_getPageTemplates',
  56                         'wp.getOptions'                 => 'this:wp_getOptions',
  57                         'wp.setOptions'                 => 'this:wp_setOptions',
  58                         'wp.getComment'                 => 'this:wp_getComment',
  59                         'wp.getComments'                => 'this:wp_getComments',
  60                         'wp.deleteComment'              => 'this:wp_deleteComment',
  61                         'wp.editComment'                => 'this:wp_editComment',
  62                         'wp.newComment'                 => 'this:wp_newComment',
  63                         'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
  64                         'wp.getMediaItem'               => 'this:wp_getMediaItem',
  65                         'wp.getMediaLibrary'    => 'this:wp_getMediaLibrary',
  66                         'wp.getPostFormats'     => 'this:wp_getPostFormats',
  67
  68                         // Blogger API
  69                         'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
  70                         'blogger.getUserInfo' => 'this:blogger_getUserInfo',
  71                         'blogger.getPost' => 'this:blogger_getPost',
  72                         'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
  73                         'blogger.getTemplate' => 'this:blogger_getTemplate',
  74                         'blogger.setTemplate' => 'this:blogger_setTemplate',
  75                         'blogger.newPost' => 'this:blogger_newPost',
  76                         'blogger.editPost' => 'this:blogger_editPost',
  77                         'blogger.deletePost' => 'this:blogger_deletePost',
  78
  79                         // MetaWeblog API (with MT extensions to structs)
  80                         'metaWeblog.newPost' => 'this:mw_newPost',
  81                         'metaWeblog.editPost' => 'this:mw_editPost',
  82                         'metaWeblog.getPost' => 'this:mw_getPost',
  83                         'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
  84                         'metaWeblog.getCategories' => 'this:mw_getCategories',
  85                         'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',
  86
  87                         // MetaWeblog API aliases for Blogger API
  88                         // see http://www.xmlrpc.com/stories/storyReader$2460
  89                         'metaWeblog.deletePost' => 'this:blogger_deletePost',
  90                         'metaWeblog.getTemplate' => 'this:blogger_getTemplate',
  91                         'metaWeblog.setTemplate' => 'this:blogger_setTemplate',
  92                         'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',
  93
  94                         // MovableType API
  95                         'mt.getCategoryList' => 'this:mt_getCategoryList',
  96                         'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
  97                         'mt.getPostCategories' => 'this:mt_getPostCategories',
  98                         'mt.setPostCategories' => 'this:mt_setPostCategories',
  99                         'mt.supportedMethods' => 'this:mt_supportedMethods',
 100                         'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
 101                         'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
 102                         'mt.publishPost' => 'this:mt_publishPost',
 103
 104                         // PingBack
 105                         'pingback.ping' => 'this:pingback_ping',
 106                         'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',
 107
 108                         'demo.sayHello' => 'this:sayHello',
 109                         'demo.addTwoNumbers' => 'this:addTwoNumbers'
 110                 );
 111
 112                 $this->initialise_blog_option_info( );
 113                 $this->methods = apply_filters('xmlrpc_methods', $this->methods);
 114         }
 115
 116         function serve_request() {
 117                 $this->IXR_Server($this->methods);
 118         }
 119
 120         /**
 121          * Test XMLRPC API by saying, "Hello!" to client.
 122          *
 123          * @since 1.5.0
 124          *
 125          * @param array $args Method Parameters.
 126          * @return string
 127          */
 128         function sayHello($args) {
 129                 return 'Hello!';
 130         }
 131
 132         /**
 133          * Test XMLRPC API by adding two numbers for client.
 134          *
 135          * @since 1.5.0
 136          *
 137          * @param array $args Method Parameters.
 138          * @return int
 139          */
 140         function addTwoNumbers($args) {
 141                 $number1 = $args[0];
 142                 $number2 = $args[1];
 143                 return $number1 + $number2;
 144         }
 145
 146         /**
 147          * Check user's credentials.
 148          *
 149          * @since 1.5.0
 150          *
 151          * @param string $user_login User's username.
 152          * @param string $user_pass User's password.
 153          * @return bool Whether authentication passed.
 154          * @deprecated use wp_xmlrpc_server::login
 155          * @see wp_xmlrpc_server::login
 156          */
 157         function login_pass_ok($user_login, $user_pass) {
 158                 if ( !get_option( 'enable_xmlrpc' ) ) {
 159                         $this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this site.  An admin user can enable them at %s'),  admin_url('options-writing.php') ) );
 160                         return false;
 161                 }
 162
 163                 if (!user_pass_ok($user_login, $user_pass)) {
 164                         $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
 165                         return false;
 166                 }
 167                 return true;
 168         }
 169
 170         /**
 171          * Log user in.
 172          *
 173          * @since 2.8
 174          *
 175          * @param string $username User's username.
 176          * @param string $password User's password.
 177          * @return mixed WP_User object if authentication passed, false otherwise
 178          */
 179         function login($username, $password) {
 180                 if ( !get_option( 'enable_xmlrpc' ) ) {
 181                         $this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this site.  An admin user can enable them at %s'),  admin_url('options-writing.php') ) );
 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, __('Bad login/pass combination.'));
 189                         return false;
 190                 }
 191
 192                 wp_set_current_user( $user->ID );
 193                 return $user;
 194         }
 195
 196         /**
 197          * Sanitize string or array of strings for database.
 198          *
 199          * @since 1.5.2
 200          *
 201          * @param string|array $array Sanitize single string or array of strings.
 202          * @return string|array Type matches $array and sanitized for the database.
 203          */
 204         function escape(&$array) {
 205                 global $wpdb;
 206
 207                 if (!is_array($array)) {
 208                         return($wpdb->escape($array));
 209                 } else {
 210                         foreach ( (array) $array as $k => $v ) {
 211                                 if ( is_array($v) ) {
 212                                         $this->escape($array[$k]);
 213                                 } else if ( is_object($v) ) {
 214                                         //skip
 215                                 } else {
 216                                         $array[$k] = $wpdb->escape($v);
 217                                 }
 218                         }
 219                 }
 220         }
 221
 222         /**
 223          * Retrieve custom fields for post.
 224          *
 225          * @since 2.5.0
 226          *
 227          * @param int $post_id Post ID.
 228          * @return array Custom fields, if exist.
 229          */
 230         function get_custom_fields($post_id) {
 231                 $post_id = (int) $post_id;
 232
 233                 $custom_fields = array();
 234
 235                 foreach ( (array) has_meta($post_id) as $meta ) {
 236                         // Don't expose protected fields.
 237                         if ( strpos($meta['meta_key'], '_wp_') === 0 ) {
 238                                 continue;
 239                         }
 240
 241                         $custom_fields[] = array(
 242                                 "id"    => $meta['meta_id'],
 243                                 "key"   => $meta['meta_key'],
 244                                 "value" => $meta['meta_value']
 245                         );
 246                 }
 247
 248                 return $custom_fields;
 249         }
 250
 251         /**
 252          * Set custom fields for post.
 253          *
 254          * @since 2.5.0
 255          *
 256          * @param int $post_id Post ID.
 257          * @param array $fields Custom fields.
 258          */
 259         function set_custom_fields($post_id, $fields) {
 260                 $post_id = (int) $post_id;
 261
 262                 foreach ( (array) $fields as $meta ) {
 263                         if ( isset($meta['id']) ) {
 264                                 $meta['id'] = (int) $meta['id'];
 265
 266                                 if ( isset($meta['key']) ) {
 267                                         update_meta($meta['id'], $meta['key'], $meta['value']);
 268                                 }
 269                                 else {
 270                                         delete_meta($meta['id']);
 271                                 }
 272                         }
 273                         else {
 274                                 $_POST['metakeyinput'] = $meta['key'];
 275                                 $_POST['metavalue'] = $meta['value'];
 276                                 add_meta($post_id);
 277                         }
 278                 }
 279         }
 280
 281         /**
 282          * Set up blog options property.
 283          *
 284          * Passes property through 'xmlrpc_blog_options' filter.
 285          *
 286          * @since 2.6.0
 287          */
 288         function initialise_blog_option_info( ) {
 289                 global $wp_version;
 290
 291                 $this->blog_options = array(
 292                         // Read only options
 293                         'software_name'         => array(
 294                                 'desc'                  => __( 'Software Name' ),
 295                                 'readonly'              => true,
 296                                 'value'                 => 'WordPress'
 297                         ),
 298                         'software_version'      => array(
 299                                 'desc'                  => __( 'Software Version' ),
 300                                 'readonly'              => true,
 301                                 'value'                 => $wp_version
 302                         ),
 303                         'blog_url'                      => array(
 304                                 'desc'                  => __( 'Site URL' ),
 305                                 'readonly'              => true,
 306                                 'option'                => 'siteurl'
 307                         ),
 308
 309                         // Updatable options
 310                         'time_zone'                     => array(
 311                                 'desc'                  => __( 'Time Zone' ),
 312                                 'readonly'              => false,
 313                                 'option'                => 'gmt_offset'
 314                         ),
 315                         'blog_title'            => array(
 316                                 'desc'                  => __( 'Site Title' ),
 317                                 'readonly'              => false,
 318                                 'option'                        => 'blogname'
 319                         ),
 320                         'blog_tagline'          => array(
 321                                 'desc'                  => __( 'Site Tagline' ),
 322                                 'readonly'              => false,
 323                                 'option'                => 'blogdescription'
 324                         ),
 325                         'date_format'           => array(
 326                                 'desc'                  => __( 'Date Format' ),
 327                                 'readonly'              => false,
 328                                 'option'                => 'date_format'
 329                         ),
 330                         'time_format'           => array(
 331                                 'desc'                  => __( 'Time Format' ),
 332                                 'readonly'              => false,
 333                                 'option'                => 'time_format'
 334                         ),
 335                         'users_can_register'    => array(
 336                                 'desc'                  => __( 'Allow new users to sign up' ),
 337                                 'readonly'              => false,
 338                                 'option'                => 'users_can_register'
 339                         ),
 340                         'thumbnail_size_w'      => array(
 341                                 'desc'                  => __( 'Thumbnail Width' ),
 342                                 'readonly'              => false,
 343                                 'option'                => 'thumbnail_size_w'
 344                         ),
 345                         'thumbnail_size_h'      => array(
 346                                 'desc'                  => __( 'Thumbnail Height' ),
 347                                 'readonly'              => false,
 348                                 'option'                => 'thumbnail_size_h'
 349                         ),
 350                         'thumbnail_crop'        => array(
 351                                 'desc'                  => __( 'Crop thumbnail to exact dimensions' ),
 352                                 'readonly'              => false,
 353                                 'option'                => 'thumbnail_crop'
 354                         ),
 355                         'medium_size_w' => array(
 356                                 'desc'                  => __( 'Medium size image width' ),
 357                                 'readonly'              => false,
 358                                 'option'                => 'medium_size_w'
 359                         ),
 360                         'medium_size_h' => array(
 361                                 'desc'                  => __( 'Medium size image height' ),
 362                                 'readonly'              => false,
 363                                 'option'                => 'medium_size_h'
 364                         ),
 365                         'large_size_w'  => array(
 366                                 'desc'                  => __( 'Large size image width' ),
 367                                 'readonly'              => false,
 368                                 'option'                => 'large_size_w'
 369                         ),
 370                         'large_size_h'  => array(
 371                                 'desc'                  => __( 'Large size image height' ),
 372                                 'readonly'              => false,
 373                                 'option'                => 'large_size_h'
 374                         )
 375                 );
 376
 377                 $this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
 378         }
 379
 380         /**
 381          * Retrieve the blogs of the user.
 382          *
 383          * @since 2.6.0
 384          *
 385          * @param array $args Method parameters.
 386          * @return array
 387          */
 388         function wp_getUsersBlogs( $args ) {
 389                 global $current_site;
 390                 // If this isn't on WPMU then just use blogger_getUsersBlogs
 391                 if ( !is_multisite() ) {
 392                         array_unshift( $args, 1 );
 393                         return $this->blogger_getUsersBlogs( $args );
 394                 }
 395
 396                 $this->escape( $args );
 397
 398                 $username = $args[0];
 399                 $password = $args[1];
 400
 401                 if ( !$user = $this->login($username, $password) )
 402                         return $this->error;
 403
 404
 405                 do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
 406
 407                 $blogs = (array) get_blogs_of_user( $user->ID );
 408                 $struct = array( );
 409
 410                 foreach ( $blogs as $blog ) {
 411                         // Don't include blogs that aren't hosted at this site
 412                         if ( $blog->site_id != $current_site->id )
 413                                 continue;
 414
 415                         $blog_id = $blog->userblog_id;
 416                         switch_to_blog($blog_id);
 417                         $is_admin = current_user_can('manage_options');
 418
 419                         $struct[] = array(
 420                                 'isAdmin'               => $is_admin,
 421                                 'url'                   => get_option( 'home' ) . '/',
 422                                 'blogid'                => (string) $blog_id,
 423                                 'blogName'              => get_option( 'blogname' ),
 424                                 'xmlrpc'                => site_url( 'xmlrpc.php' )
 425                         );
 426
 427                         restore_current_blog( );
 428                 }
 429
 430                 return $struct;
 431         }
 432
 433         /**
 434          * Retrieve page.
 435          *
 436          * @since 2.2.0
 437          *
 438          * @param array $args Method parameters.
 439          * @return array
 440          */
 441         function wp_getPage($args) {
 442                 $this->escape($args);
 443
 444                 $blog_id        = (int) $args[0];
 445                 $page_id        = (int) $args[1];
 446                 $username       = $args[2];
 447                 $password       = $args[3];
 448
 449                 if ( !$user = $this->login($username, $password) ) {
 450                         return $this->error;
 451                 }
 452
 453                 if ( !current_user_can( 'edit_page', $page_id ) )
 454                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this page.' ) );
 455
 456                 do_action('xmlrpc_call', 'wp.getPage');
 457
 458                 // Lookup page info.
 459                 $page = get_page($page_id);
 460
 461                 // If we found the page then format the data.
 462                 if ( $page->ID && ($page->post_type == "page") ) {
 463                         // Get all of the page content and link.
 464                         $full_page = get_extended($page->post_content);
 465                         $link = post_permalink($page->ID);
 466
 467                         // Get info the page parent if there is one.
 468                         $parent_title = "";
 469                         if ( !empty($page->post_parent) ) {
 470                                 $parent = get_page($page->post_parent);
 471                                 $parent_title = $parent->post_title;
 472                         }
 473
 474                         // Determine comment and ping settings.
 475                         $allow_comments = comments_open($page->ID) ? 1 : 0;
 476                         $allow_pings = pings_open($page->ID) ? 1 : 0;
 477
 478                         // Format page date.
 479                         $page_date = mysql2date("Ymd\TH:i:s", $page->post_date, false);
 480                         $page_date_gmt = mysql2date("Ymd\TH:i:s", $page->post_date_gmt, false);
 481
 482                         // For drafts use the GMT version of the date
 483                         if ( $page->post_status == 'draft' )
 484                                 $page_date_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $page->post_date ), 'Ymd\TH:i:s' );
 485
 486                         // Pull the categories info together.
 487                         $categories = array();
 488                         foreach ( wp_get_post_categories($page->ID) as $cat_id ) {
 489                                 $categories[] = get_cat_name($cat_id);
 490                         }
 491
 492                         // Get the author info.
 493                         $author = get_userdata($page->post_author);
 494
 495                         $page_template = get_post_meta( $page->ID, '_wp_page_template', true );
 496                         if ( empty( $page_template ) )
 497                                 $page_template = 'default';
 498
 499                         $page_struct = array(
 500                                 "dateCreated"                   => new IXR_Date($page_date),
 501                                 "userid"                                => $page->post_author,
 502                                 "page_id"                               => $page->ID,
 503                                 "page_status"                   => $page->post_status,
 504                                 "description"                   => $full_page["main"],
 505                                 "title"                                 => $page->post_title,
 506                                 "link"                                  => $link,
 507                                 "permaLink"                             => $link,
 508                                 "categories"                    => $categories,
 509                                 "excerpt"                               => $page->post_excerpt,
 510                                 "text_more"                             => $full_page["extended"],
 511                                 "mt_allow_comments"             => $allow_comments,
 512                                 "mt_allow_pings"                => $allow_pings,
 513                                 "wp_slug"                               => $page->post_name,
 514                                 "wp_password"                   => $page->post_password,
 515                                 "wp_author"                             => $author->display_name,
 516                                 "wp_page_parent_id"             => $page->post_parent,
 517                                 "wp_page_parent_title"  => $parent_title,
 518                                 "wp_page_order"                 => $page->menu_order,
 519                                 "wp_author_id"                  => $author->ID,
 520                                 "wp_author_display_name"        => $author->display_name,
 521                                 "date_created_gmt"              => new IXR_Date($page_date_gmt),
 522                                 "custom_fields"                 => $this->get_custom_fields($page_id),
 523                                 "wp_page_template"              => $page_template
 524                         );
 525
 526                         return($page_struct);
 527                 }
 528                 // If the page doesn't exist indicate that.
 529                 else {
 530                         return(new IXR_Error(404, __("Sorry, no such page.")));
 531                 }
 532         }
 533
 534         /**
 535          * Retrieve Pages.
 536          *
 537          * @since 2.2.0
 538          *
 539          * @param array $args Method parameters.
 540          * @return array
 541          */
 542         function wp_getPages($args) {
 543                 $this->escape($args);
 544
 545                 $blog_id        = (int) $args[0];
 546                 $username       = $args[1];
 547                 $password       = $args[2];
 548                 $num_pages      = isset($args[3]) ? (int) $args[3] : 10;
 549
 550                 if ( !$user = $this->login($username, $password) )
 551                         return $this->error;
 552
 553                 if ( !current_user_can( 'edit_pages' ) )
 554                         return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 555
 556                 do_action('xmlrpc_call', 'wp.getPages');
 557
 558                 $pages = get_posts( array('post_type' => 'page', 'post_status' => 'any', 'numberposts' => $num_pages) );
 559                 $num_pages = count($pages);
 560
 561                 // If we have pages, put together their info.
 562                 if ( $num_pages >= 1 ) {
 563                         $pages_struct = array();
 564
 565                         for ( $i = 0; $i < $num_pages; $i++ ) {
 566                                 $page = wp_xmlrpc_server::wp_getPage(array(
 567                                         $blog_id, $pages[$i]->ID, $username, $password
 568                                 ));
 569                                 $pages_struct[] = $page;
 570                         }
 571
 572                         return($pages_struct);
 573                 }
 574                 // If no pages were found return an error.
 575                 else {
 576                         return(array());
 577                 }
 578         }
 579
 580         /**
 581          * Create new page.
 582          *
 583          * @since 2.2.0
 584          *
 585          * @param array $args Method parameters.
 586          * @return unknown
 587          */
 588         function wp_newPage($args) {
 589                 // Items not escaped here will be escaped in newPost.
 590                 $username       = $this->escape($args[1]);
 591                 $password       = $this->escape($args[2]);
 592                 $page           = $args[3];
 593                 $publish        = $args[4];
 594
 595                 if ( !$user = $this->login($username, $password) )
 596                         return $this->error;
 597
 598                 do_action('xmlrpc_call', 'wp.newPage');
 599
 600                 // Make sure the user is allowed to add new pages.
 601                 if ( !current_user_can("publish_pages") )
 602                         return(new IXR_Error(401, __("Sorry, you cannot add new pages.")));
 603
 604                 // Mark this as content for a page.
 605                 $args[3]["post_type"] = "page";
 606
 607                 // Let mw_newPost do all of the heavy lifting.
 608                 return($this->mw_newPost($args));
 609         }
 610
 611         /**
 612          * Delete page.
 613          *
 614          * @since 2.2.0
 615          *
 616          * @param array $args Method parameters.
 617          * @return bool True, if success.
 618          */
 619         function wp_deletePage($args) {
 620                 $this->escape($args);
 621
 622                 $blog_id        = (int) $args[0];
 623                 $username       = $args[1];
 624                 $password       = $args[2];
 625                 $page_id        = (int) $args[3];
 626
 627                 if ( !$user = $this->login($username, $password) )
 628                         return $this->error;
 629
 630                 do_action('xmlrpc_call', 'wp.deletePage');
 631
 632                 // Get the current page based on the page_id and
 633                 // make sure it is a page and not a post.
 634                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
 635                 if ( !$actual_page || ($actual_page["post_type"] != "page") )
 636                         return(new IXR_Error(404, __("Sorry, no such page.")));
 637
 638                 // Make sure the user can delete pages.
 639                 if ( !current_user_can("delete_page", $page_id) )
 640                         return(new IXR_Error(401, __("Sorry, you do not have the right to delete this page.")));
 641
 642                 // Attempt to delete the page.
 643                 $result = wp_delete_post($page_id);
 644                 if ( !$result )
 645                         return(new IXR_Error(500, __("Failed to delete the page.")));
 646
 647                 return(true);
 648         }
 649
 650         /**
 651          * Edit page.
 652          *
 653          * @since 2.2.0
 654          *
 655          * @param array $args Method parameters.
 656          * @return unknown
 657          */
 658         function wp_editPage($args) {
 659                 // Items not escaped here will be escaped in editPost.
 660                 $blog_id        = (int) $args[0];
 661                 $page_id        = (int) $this->escape($args[1]);
 662                 $username       = $this->escape($args[2]);
 663                 $password       = $this->escape($args[3]);
 664                 $content        = $args[4];
 665                 $publish        = $args[5];
 666
 667                 if ( !$user = $this->login($username, $password) )
 668                         return $this->error;
 669
 670                 do_action('xmlrpc_call', 'wp.editPage');
 671
 672                 // Get the page data and make sure it is a page.
 673                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
 674                 if ( !$actual_page || ($actual_page["post_type"] != "page") )
 675                         return(new IXR_Error(404, __("Sorry, no such page.")));
 676
 677                 // Make sure the user is allowed to edit pages.
 678                 if ( !current_user_can("edit_page", $page_id) )
 679                         return(new IXR_Error(401, __("Sorry, you do not have the right to edit this page.")));
 680
 681                 // Mark this as content for a page.
 682                 $content["post_type"] = "page";
 683
 684                 // Arrange args in the way mw_editPost understands.
 685                 $args = array(
 686                         $page_id,
 687                         $username,
 688                         $password,
 689                         $content,
 690                         $publish
 691                 );
 692
 693                 // Let mw_editPost do all of the heavy lifting.
 694                 return($this->mw_editPost($args));
 695         }
 696
 697         /**
 698          * Retrieve page list.
 699          *
 700          * @since 2.2.0
 701          *
 702          * @param array $args Method parameters.
 703          * @return unknown
 704          */
 705         function wp_getPageList($args) {
 706                 global $wpdb;
 707
 708                 $this->escape($args);
 709
 710                 $blog_id                                = (int) $args[0];
 711                 $username                               = $args[1];
 712                 $password                               = $args[2];
 713
 714                 if ( !$user = $this->login($username, $password) )
 715                         return $this->error;
 716
 717                 if ( !current_user_can( 'edit_pages' ) )
 718                         return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 719
 720                 do_action('xmlrpc_call', 'wp.getPageList');
 721
 722                 // Get list of pages ids and titles
 723                 $page_list = $wpdb->get_results("
 724                         SELECT ID page_id,
 725                                 post_title page_title,
 726                                 post_parent page_parent_id,
 727                                 post_date_gmt,
 728                                 post_date,
 729                                 post_status
 730                         FROM {$wpdb->posts}
 731                         WHERE post_type = 'page'
 732                         ORDER BY ID
 733                 ");
 734
 735                 // The date needs to be formated properly.
 736                 $num_pages = count($page_list);
 737                 for ( $i = 0; $i < $num_pages; $i++ ) {
 738                         $post_date = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date, false);
 739                         $post_date_gmt = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date_gmt, false);
 740
 741                         $page_list[$i]->dateCreated = new IXR_Date($post_date);
 742                         $page_list[$i]->date_created_gmt = new IXR_Date($post_date_gmt);
 743
 744                         // For drafts use the GMT version of the date
 745                         if ( $page_list[$i]->post_status == 'draft' ) {
 746                                 $page_list[$i]->date_created_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $page_list[$i]->post_date ), 'Ymd\TH:i:s' );
 747                                 $page_list[$i]->date_created_gmt = new IXR_Date( $page_list[$i]->date_created_gmt );
 748                         }
 749
 750                         unset($page_list[$i]->post_date_gmt);
 751                         unset($page_list[$i]->post_date);
 752                         unset($page_list[$i]->post_status);
 753                 }
 754
 755                 return($page_list);
 756         }
 757
 758         /**
 759          * Retrieve authors list.
 760          *
 761          * @since 2.2.0
 762          *
 763          * @param array $args Method parameters.
 764          * @return array
 765          */
 766         function wp_getAuthors($args) {
 767
 768                 $this->escape($args);
 769
 770                 $blog_id        = (int) $args[0];
 771                 $username       = $args[1];
 772                 $password       = $args[2];
 773
 774                 if ( !$user = $this->login($username, $password) )
 775                         return $this->error;
 776
 777                 if ( !current_user_can("edit_posts") )
 778                         return(new IXR_Error(401, __("Sorry, you cannot edit posts on this site.")));
 779
 780                 do_action('xmlrpc_call', 'wp.getAuthors');
 781
 782                 $authors = array();
 783                 foreach ( get_users( array( 'fields' => array('ID','user_login','display_name') ) ) as $user ) {
 784                         $authors[] = array(
 785                                 "user_id"       => $user->ID,
 786                                 "user_login"    => $user->user_login,
 787                                 "display_name"  => $user->display_name
 788                         );
 789                 }
 790
 791                 return $authors;
 792         }
 793
 794         /**
 795          * Get list of all tags
 796          *
 797          * @since 2.7
 798          *
 799          * @param array $args Method parameters.
 800          * @return array
 801          */
 802         function wp_getTags( $args ) {
 803                 $this->escape( $args );
 804
 805                 $blog_id                = (int) $args[0];
 806                 $username               = $args[1];
 807                 $password               = $args[2];
 808
 809                 if ( !$user = $this->login($username, $password) )
 810                         return $this->error;
 811
 812                 if ( !current_user_can( 'edit_posts' ) )
 813                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view tags.' ) );
 814
 815                 do_action( 'xmlrpc_call', 'wp.getKeywords' );
 816
 817                 $tags = array( );
 818
 819                 if ( $all_tags = get_tags() ) {
 820                         foreach( (array) $all_tags as $tag ) {
 821                                 $struct['tag_id']                       = $tag->term_id;
 822                                 $struct['name']                         = $tag->name;
 823                                 $struct['count']                        = $tag->count;
 824                                 $struct['slug']                         = $tag->slug;
 825                                 $struct['html_url']                     = esc_html( get_tag_link( $tag->term_id ) );
 826                                 $struct['rss_url']                      = esc_html( get_tag_feed_link( $tag->term_id ) );
 827
 828                                 $tags[] = $struct;
 829                         }
 830                 }
 831
 832                 return $tags;
 833         }
 834
 835         /**
 836          * Create new category.
 837          *
 838          * @since 2.2.0
 839          *
 840          * @param array $args Method parameters.
 841          * @return int Category ID.
 842          */
 843         function wp_newCategory($args) {
 844                 $this->escape($args);
 845
 846                 $blog_id                                = (int) $args[0];
 847                 $username                               = $args[1];
 848                 $password                               = $args[2];
 849                 $category                               = $args[3];
 850
 851                 if ( !$user = $this->login($username, $password) )
 852                         return $this->error;
 853
 854                 do_action('xmlrpc_call', 'wp.newCategory');
 855
 856                 // Make sure the user is allowed to add a category.
 857                 if ( !current_user_can("manage_categories") )
 858                         return(new IXR_Error(401, __("Sorry, you do not have the right to add a category.")));
 859
 860                 // If no slug was provided make it empty so that
 861                 // WordPress will generate one.
 862                 if ( empty($category["slug"]) )
 863                         $category["slug"] = "";
 864
 865                 // If no parent_id was provided make it empty
 866                 // so that it will be a top level page (no parent).
 867                 if ( !isset($category["parent_id"]) )
 868                         $category["parent_id"] = "";
 869
 870                 // If no description was provided make it empty.
 871                 if ( empty($category["description"]) )
 872                         $category["description"] = "";
 873
 874                 $new_category = array(
 875                         "cat_name"                              => $category["name"],
 876                         "category_nicename"             => $category["slug"],
 877                         "category_parent"               => $category["parent_id"],
 878                         "category_description"  => $category["description"]
 879                 );
 880
 881                 $cat_id = wp_insert_category($new_category, true);
 882                 if ( is_wp_error( $cat_id ) ) {
 883                         if ( 'term_exists' == $cat_id->get_error_code() )
 884                                 return (int) $cat_id->get_error_data();
 885                         else
 886                                 return(new IXR_Error(500, __("Sorry, the new category failed.")));
 887                 } elseif ( ! $cat_id ) {
 888                         return(new IXR_Error(500, __("Sorry, the new category failed.")));
 889                 }
 890
 891                 return($cat_id);
 892         }
 893
 894         /**
 895          * Remove category.
 896          *
 897          * @since 2.5.0
 898          *
 899          * @param array $args Method parameters.
 900          * @return mixed See {@link wp_delete_term()} for return info.
 901          */
 902         function wp_deleteCategory($args) {
 903                 $this->escape($args);
 904
 905                 $blog_id                = (int) $args[0];
 906                 $username               = $args[1];
 907                 $password               = $args[2];
 908                 $category_id    = (int) $args[3];
 909
 910                 if ( !$user = $this->login($username, $password) )
 911                         return $this->error;
 912
 913                 do_action('xmlrpc_call', 'wp.deleteCategory');
 914
 915                 if ( !current_user_can("manage_categories") )
 916                         return new IXR_Error( 401, __( "Sorry, you do not have the right to delete a category." ) );
 917
 918                 return wp_delete_term( $category_id, 'category' );
 919         }
 920
 921         /**
 922          * Retrieve category list.
 923          *
 924          * @since 2.2.0
 925          *
 926          * @param array $args Method parameters.
 927          * @return array
 928          */
 929         function wp_suggestCategories($args) {
 930                 $this->escape($args);
 931
 932                 $blog_id                                = (int) $args[0];
 933                 $username                               = $args[1];
 934                 $password                               = $args[2];
 935                 $category                               = $args[3];
 936                 $max_results                    = (int) $args[4];
 937
 938                 if ( !$user = $this->login($username, $password) )
 939                         return $this->error;
 940
 941                 if ( !current_user_can( 'edit_posts' ) )
 942                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts to this site in order to view categories.' ) );
 943
 944                 do_action('xmlrpc_call', 'wp.suggestCategories');
 945
 946                 $category_suggestions = array();
 947                 $args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
 948                 foreach ( (array) get_categories($args) as $cat ) {
 949                         $category_suggestions[] = array(
 950                                 "category_id"   => $cat->term_id,
 951                                 "category_name" => $cat->name
 952                         );
 953                 }
 954
 955                 return($category_suggestions);
 956         }
 957
 958         /**
 959          * Retrieve comment.
 960          *
 961          * @since 2.7.0
 962          *
 963          * @param array $args Method parameters.
 964          * @return array
 965          */
 966         function wp_getComment($args) {
 967                 $this->escape($args);
 968
 969                 $blog_id        = (int) $args[0];
 970                 $username       = $args[1];
 971                 $password       = $args[2];
 972                 $comment_id     = (int) $args[3];
 973
 974                 if ( !$user = $this->login($username, $password) )
 975                         return $this->error;
 976
 977                 if ( !current_user_can( 'moderate_comments' ) )
 978                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
 979
 980                 do_action('xmlrpc_call', 'wp.getComment');
 981
 982                 if ( ! $comment = get_comment($comment_id) )
 983                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
 984
 985                 // Format page date.
 986                 $comment_date = mysql2date("Ymd\TH:i:s", $comment->comment_date, false);
 987                 $comment_date_gmt = mysql2date("Ymd\TH:i:s", $comment->comment_date_gmt, false);
 988
 989                 if ( '0' == $comment->comment_approved )
 990                         $comment_status = 'hold';
 991                 else if ( 'spam' == $comment->comment_approved )
 992                         $comment_status = 'spam';
 993                 else if ( '1' == $comment->comment_approved )
 994                         $comment_status = 'approve';
 995                 else
 996                         $comment_status = $comment->comment_approved;
 997
 998                 $link = get_comment_link($comment);
 999
1000                 $comment_struct = array(
1001                         "date_created_gmt"              => new IXR_Date($comment_date_gmt),
1002                         "user_id"                               => $comment->user_id,
1003                         "comment_id"                    => $comment->comment_ID,
1004                         "parent"                                => $comment->comment_parent,
1005                         "status"                                => $comment_status,
1006                         "content"                               => $comment->comment_content,
1007                         "link"                                  => $link,
1008                         "post_id"                               => $comment->comment_post_ID,
1009                         "post_title"                    => get_the_title($comment->comment_post_ID),
1010                         "author"                                => $comment->comment_author,
1011                         "author_url"                    => $comment->comment_author_url,
1012                         "author_email"                  => $comment->comment_author_email,
1013                         "author_ip"                             => $comment->comment_author_IP,
1014                         "type"                                  => $comment->comment_type,
1015                 );
1016
1017                 return $comment_struct;
1018         }
1019
1020         /**
1021          * Retrieve comments.
1022          *
1023          * @since 2.7.0
1024          *
1025          * @param array $args Method parameters.
1026          * @return array
1027          */
1028         function wp_getComments($args) {
1029                 $raw_args = $args;
1030                 $this->escape($args);
1031
1032                 $blog_id        = (int) $args[0];
1033                 $username       = $args[1];
1034                 $password       = $args[2];
1035                 $struct         = $args[3];
1036
1037                 if ( !$user = $this->login($username, $password) )
1038                         return $this->error;
1039
1040                 if ( !current_user_can( 'moderate_comments' ) )
1041                         return new IXR_Error( 401, __( 'Sorry, you cannot edit comments.' ) );
1042
1043                 do_action('xmlrpc_call', 'wp.getComments');
1044
1045                 if ( isset($struct['status']) )
1046                         $status = $struct['status'];
1047                 else
1048                         $status = '';
1049
1050                 $post_id = '';
1051                 if ( isset($struct['post_id']) )
1052                         $post_id = absint($struct['post_id']);
1053
1054                 $offset = 0;
1055                 if ( isset($struct['offset']) )
1056                         $offset = absint($struct['offset']);
1057
1058                 $number = 10;
1059                 if ( isset($struct['number']) )
1060                         $number = absint($struct['number']);
1061
1062                 $comments = get_comments( array('status' => $status, 'post_id' => $post_id, 'offset' => $offset, 'number' => $number ) );
1063                 $num_comments = count($comments);
1064
1065                 if ( ! $num_comments )
1066                         return array();
1067
1068                 $comments_struct = array();
1069
1070                 for ( $i = 0; $i < $num_comments; $i++ ) {
1071                         $comment = wp_xmlrpc_server::wp_getComment(array(
1072                                 $raw_args[0], $raw_args[1], $raw_args[2], $comments[$i]->comment_ID,
1073                         ));
1074                         $comments_struct[] = $comment;
1075                 }
1076
1077                 return $comments_struct;
1078         }
1079
1080         /**
1081          * Remove comment.
1082          *
1083          * @since 2.7.0
1084          *
1085          * @param array $args Method parameters.
1086          * @return mixed {@link wp_delete_comment()}
1087          */
1088         function wp_deleteComment($args) {
1089                 $this->escape($args);
1090
1091                 $blog_id        = (int) $args[0];
1092                 $username       = $args[1];
1093                 $password       = $args[2];
1094                 $comment_ID     = (int) $args[3];
1095
1096                 if ( !$user = $this->login($username, $password) )
1097                         return $this->error;
1098
1099                 if ( !current_user_can( 'moderate_comments' ) )
1100                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
1101
1102                 if ( !current_user_can( 'edit_comment', $comment_ID ) )
1103                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
1104
1105                 do_action('xmlrpc_call', 'wp.deleteComment');
1106
1107                 if ( ! get_comment($comment_ID) )
1108                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
1109
1110                 return wp_delete_comment($comment_ID);
1111         }
1112
1113         /**
1114          * Edit comment.
1115          *
1116          * @since 2.7.0
1117          *
1118          * @param array $args Method parameters.
1119          * @return bool True, on success.
1120          */
1121         function wp_editComment($args) {
1122                 $this->escape($args);
1123
1124                 $blog_id        = (int) $args[0];
1125                 $username       = $args[1];
1126                 $password       = $args[2];
1127                 $comment_ID     = (int) $args[3];
1128                 $content_struct = $args[4];
1129
1130                 if ( !$user = $this->login($username, $password) )
1131                         return $this->error;
1132
1133                 if ( !current_user_can( 'moderate_comments' ) )
1134                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
1135
1136                 if ( !current_user_can( 'edit_comment', $comment_ID ) )
1137                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
1138
1139                 do_action('xmlrpc_call', 'wp.editComment');
1140
1141                 if ( ! get_comment($comment_ID) )
1142                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
1143
1144                 if ( isset($content_struct['status']) ) {
1145                         $statuses = get_comment_statuses();
1146                         $statuses = array_keys($statuses);
1147
1148                         if ( ! in_array($content_struct['status'], $statuses) )
1149                                 return new IXR_Error( 401, __( 'Invalid comment status.' ) );
1150                         $comment_approved = $content_struct['status'];
1151                 }
1152
1153                 // Do some timestamp voodoo
1154                 if ( !empty( $content_struct['date_created_gmt'] ) ) {
1155                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
1156                         $comment_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
1157                         $comment_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
1158                 }
1159
1160                 if ( isset($content_struct['content']) )
1161                         $comment_content = $content_struct['content'];
1162
1163                 if ( isset($content_struct['author']) )
1164                         $comment_author = $content_struct['author'];
1165
1166                 if ( isset($content_struct['author_url']) )
1167                         $comment_author_url = $content_struct['author_url'];
1168
1169                 if ( isset($content_struct['author_email']) )
1170                         $comment_author_email = $content_struct['author_email'];
1171
1172                 // We've got all the data -- post it:
1173                 $comment = compact('comment_ID', 'comment_content', 'comment_approved', 'comment_date', 'comment_date_gmt', 'comment_author', 'comment_author_email', 'comment_author_url');
1174
1175                 $result = wp_update_comment($comment);
1176                 if ( is_wp_error( $result ) )
1177                         return new IXR_Error(500, $result->get_error_message());
1178
1179                 if ( !$result )
1180                         return new IXR_Error(500, __('Sorry, the comment could not be edited. Something wrong happened.'));
1181
1182                 return true;
1183         }
1184
1185         /**
1186          * Create new comment.
1187          *
1188          * @since 2.7.0
1189          *
1190          * @param array $args Method parameters.
1191          * @return mixed {@link wp_new_comment()}
1192          */
1193         function wp_newComment($args) {
1194                 global $wpdb;
1195
1196                 $this->escape($args);
1197
1198                 $blog_id        = (int) $args[0];
1199                 $username       = $args[1];
1200                 $password       = $args[2];
1201                 $post           = $args[3];
1202                 $content_struct = $args[4];
1203
1204                 $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false);
1205
1206                 $user = $this->login($username, $password);
1207
1208                 if ( !$user ) {
1209                         $logged_in = false;
1210                         if ( $allow_anon && get_option('comment_registration') )
1211                                 return new IXR_Error( 403, __( 'You must be registered to comment' ) );
1212                         else if ( !$allow_anon )
1213                                 return $this->error;
1214                 } else {
1215                         $logged_in = true;
1216                 }
1217
1218                 if ( is_numeric($post) )
1219                         $post_id = absint($post);
1220                 else
1221                         $post_id = url_to_postid($post);
1222
1223                 if ( ! $post_id )
1224                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1225
1226                 if ( ! get_post($post_id) )
1227                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1228
1229                 $comment['comment_post_ID'] = $post_id;
1230
1231                 if ( $logged_in ) {
1232                         $comment['comment_author'] = $wpdb->escape( $user->display_name );
1233                         $comment['comment_author_email'] = $wpdb->escape( $user->user_email );
1234                         $comment['comment_author_url'] = $wpdb->escape( $user->user_url );
1235                         $comment['user_ID'] = $user->ID;
1236                 } else {
1237                         $comment['comment_author'] = '';
1238                         if ( isset($content_struct['author']) )
1239                                 $comment['comment_author'] = $content_struct['author'];
1240
1241                         $comment['comment_author_email'] = '';
1242                         if ( isset($content_struct['author_email']) )
1243                                 $comment['comment_author_email'] = $content_struct['author_email'];
1244
1245                         $comment['comment_author_url'] = '';
1246                         if ( isset($content_struct['author_url']) )
1247                                 $comment['comment_author_url'] = $content_struct['author_url'];
1248
1249                         $comment['user_ID'] = 0;
1250
1251                         if ( get_option('require_name_email') ) {
1252                                 if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
1253                                         return new IXR_Error( 403, __( 'Comment author name and email are required' ) );
1254                                 elseif ( !is_email($comment['comment_author_email']) )
1255                                         return new IXR_Error( 403, __( 'A valid email address is required' ) );
1256                         }
1257                 }
1258
1259                 $comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;
1260
1261                 $comment['comment_content'] =  isset($content_struct['content']) ? $content_struct['content'] : null;
1262
1263                 do_action('xmlrpc_call', 'wp.newComment');
1264
1265                 return wp_new_comment($comment);
1266         }
1267
1268         /**
1269          * Retrieve all of the comment status.
1270          *
1271          * @since 2.7.0
1272          *
1273          * @param array $args Method parameters.
1274          * @return array
1275          */
1276         function wp_getCommentStatusList($args) {
1277                 $this->escape( $args );
1278
1279                 $blog_id        = (int) $args[0];
1280                 $username       = $args[1];
1281                 $password       = $args[2];
1282
1283                 if ( !$user = $this->login($username, $password) )
1284                         return $this->error;
1285
1286                 if ( !current_user_can( 'moderate_comments' ) )
1287                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
1288
1289                 do_action('xmlrpc_call', 'wp.getCommentStatusList');
1290
1291                 return get_comment_statuses( );
1292         }
1293
1294         /**
1295          * Retrieve comment count.
1296          *
1297          * @since 2.5.0
1298          *
1299          * @param array $args Method parameters.
1300          * @return array
1301          */
1302         function wp_getCommentCount( $args ) {
1303                 $this->escape($args);
1304
1305                 $blog_id        = (int) $args[0];
1306                 $username       = $args[1];
1307                 $password       = $args[2];
1308                 $post_id        = (int) $args[3];
1309
1310                 if ( !$user = $this->login($username, $password) )
1311                         return $this->error;
1312
1313                 if ( !current_user_can( 'edit_posts' ) )
1314                         return new IXR_Error( 403, __( 'You are not allowed access to details about comments.' ) );
1315
1316                 do_action('xmlrpc_call', 'wp.getCommentCount');
1317
1318                 $count = wp_count_comments( $post_id );
1319                 return array(
1320                         "approved" => $count->approved,
1321                         "awaiting_moderation" => $count->moderated,
1322                         "spam" => $count->spam,
1323                         "total_comments" => $count->total_comments
1324                 );
1325         }
1326
1327         /**
1328          * Retrieve post statuses.
1329          *
1330          * @since 2.5.0
1331          *
1332          * @param array $args Method parameters.
1333          * @return array
1334          */
1335         function wp_getPostStatusList( $args ) {
1336                 $this->escape( $args );
1337
1338                 $blog_id        = (int) $args[0];
1339                 $username       = $args[1];
1340                 $password       = $args[2];
1341
1342                 if ( !$user = $this->login($username, $password) )
1343                         return $this->error;
1344
1345                 if ( !current_user_can( 'edit_posts' ) )
1346                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
1347
1348                 do_action('xmlrpc_call', 'wp.getPostStatusList');
1349
1350                 return get_post_statuses( );
1351         }
1352
1353         /**
1354          * Retrieve page statuses.
1355          *
1356          * @since 2.5.0
1357          *
1358          * @param array $args Method parameters.
1359          * @return array
1360          */
1361         function wp_getPageStatusList( $args ) {
1362                 $this->escape( $args );
1363
1364                 $blog_id        = (int) $args[0];
1365                 $username       = $args[1];
1366                 $password       = $args[2];
1367
1368                 if ( !$user = $this->login($username, $password) )
1369                         return $this->error;
1370
1371                 if ( !current_user_can( 'edit_pages' ) )
1372                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
1373
1374                 do_action('xmlrpc_call', 'wp.getPageStatusList');
1375
1376                 return get_page_statuses( );
1377         }
1378
1379         /**
1380          * Retrieve page templates.
1381          *
1382          * @since 2.6.0
1383          *
1384          * @param array $args Method parameters.
1385          * @return array
1386          */
1387         function wp_getPageTemplates( $args ) {
1388                 $this->escape( $args );
1389
1390                 $blog_id        = (int) $args[0];
1391                 $username       = $args[1];
1392                 $password       = $args[2];
1393
1394                 if ( !$user = $this->login($username, $password) )
1395                         return $this->error;
1396
1397                 if ( !current_user_can( 'edit_pages' ) )
1398                         return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
1399
1400                 $templates = get_page_templates( );
1401                 $templates['Default'] = 'default';
1402
1403                 return $templates;
1404         }
1405
1406         /**
1407          * Retrieve blog options.
1408          *
1409          * @since 2.6.0
1410          *
1411          * @param array $args Method parameters.
1412          * @return array
1413          */
1414         function wp_getOptions( $args ) {
1415                 $this->escape( $args );
1416
1417                 $blog_id        = (int) $args[0];
1418                 $username       = $args[1];
1419                 $password       = $args[2];
1420                 $options        = isset( $args[3] ) ? (array) $args[3] : array();
1421
1422                 if ( !$user = $this->login($username, $password) )
1423                         return $this->error;
1424
1425                 // If no specific options where asked for, return all of them
1426                 if ( count( $options ) == 0 )
1427                         $options = array_keys($this->blog_options);
1428
1429                 return $this->_getOptions($options);
1430         }
1431
1432         /**
1433          * Retrieve blog options value from list.
1434          *
1435          * @since 2.6.0
1436          *
1437          * @param array $options Options to retrieve.
1438          * @return array
1439          */
1440         function _getOptions($options) {
1441                 $data = array( );
1442                 foreach ( $options as $option ) {
1443                         if ( array_key_exists( $option, $this->blog_options ) ) {
1444                                 $data[$option] = $this->blog_options[$option];
1445                                 //Is the value static or dynamic?
1446                                 if ( isset( $data[$option]['option'] ) ) {
1447                                         $data[$option]['value'] = get_option( $data[$option]['option'] );
1448                                         unset($data[$option]['option']);
1449                                 }
1450                         }
1451                 }
1452
1453                 return $data;
1454         }
1455
1456         /**
1457          * Update blog options.
1458          *
1459          * @since 2.6.0
1460          *
1461          * @param array $args Method parameters.
1462          * @return unknown
1463          */
1464         function wp_setOptions( $args ) {
1465                 $this->escape( $args );
1466
1467                 $blog_id        = (int) $args[0];
1468                 $username       = $args[1];
1469                 $password       = $args[2];
1470                 $options        = (array) $args[3];
1471
1472                 if ( !$user = $this->login($username, $password) )
1473                         return $this->error;
1474
1475                 if ( !current_user_can( 'manage_options' ) )
1476                         return new IXR_Error( 403, __( 'You are not allowed to update options.' ) );
1477
1478                 foreach ( $options as $o_name => $o_value ) {
1479                         $option_names[] = $o_name;
1480                         if ( !array_key_exists( $o_name, $this->blog_options ) )
1481                                 continue;
1482
1483                         if ( $this->blog_options[$o_name]['readonly'] == true )
1484                                 continue;
1485
1486                         update_option( $this->blog_options[$o_name]['option'], $o_value );
1487                 }
1488
1489                 //Now return the updated values
1490                 return $this->_getOptions($option_names);
1491         }
1492
1493         /**
1494          * Retrieve a media item by ID
1495          *
1496          * @since 3.1.0
1497          *
1498          * @param array $args Method parameters. Contains:
1499          *  - blog_id
1500          *  - username
1501          *  - password
1502          *  - attachment_id
1503          * @return array. Assocciative array containing:
1504          *  - 'date_created_gmt'
1505          *  - 'parent'
1506          *  - 'link'
1507          *  - 'thumbnail'
1508          *  - 'title'
1509          *  - 'caption'
1510          *  - 'description'
1511          *  - 'metadata'
1512          */
1513         function wp_getMediaItem($args) {
1514                 $this->escape($args);
1515
1516                 $blog_id                = (int) $args[0];
1517                 $username               = $args[1];
1518                 $password               = $args[2];
1519                 $attachment_id  = (int) $args[3];
1520
1521                 if ( !$user = $this->login($username, $password) )
1522                         return $this->error;
1523
1524                 if ( !current_user_can( 'upload_files' ) )
1525                         return new IXR_Error( 403, __( 'You are not allowed to upload files on this site.' ) );
1526
1527                 do_action('xmlrpc_call', 'wp.getMediaItem');
1528
1529                 if ( ! $attachment = get_post($attachment_id) )
1530                         return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
1531
1532                 // Format page date.
1533                 $attachment_date = mysql2date("Ymd\TH:i:s", $attachment->post_date, false);
1534                 $attachment_date_gmt = mysql2date("Ymd\TH:i:s", $attachment->post_date_gmt, false);
1535
1536                 $link = wp_get_attachment_url($attachment->ID);
1537                 $thumbnail_link = wp_get_attachment_thumb_url($attachment->ID);
1538
1539                 $attachment_struct = array(
1540                         "date_created_gmt"              => new IXR_Date($attachment_date_gmt),
1541                         "parent"                                => $attachment->post_parent,
1542                         "link"                                  => $link,
1543                         "thumbnail"                             => $thumbnail_link,
1544                         "title"                                 => $attachment->post_title,
1545                         "caption"                               => $attachment->post_excerpt,
1546                         "description"                   => $attachment->post_content,
1547                         "metadata"                              => wp_get_attachment_metadata($attachment->ID),
1548                 );
1549
1550                 return $attachment_struct;
1551         }
1552
1553         /**
1554          * Retrieves a collection of media library items (or attachments)
1555          *
1556          * Besides the common blog_id, username, and password arguments, it takes a filter
1557          * array as last argument.
1558          *
1559          * Accepted 'filter' keys are 'parent_id', 'mime_type', 'offset', and 'number'.
1560          *
1561          * The defaults are as follows:
1562          * - 'number' - Default is 5. Total number of media items to retrieve.
1563          * - 'offset' - Default is 0. See {@link WP_Query::query()} for more.
1564          * - 'parent_id' - Default is ''. The post where the media item is attached. Empty string shows all media items. 0 shows unattached media items.
1565          * - 'mime_type' - Default is ''. Filter by mime type (e.g., 'image/jpeg', 'application/pdf')
1566          *
1567          * @since 3.1.0
1568          *
1569          * @param array $args Method parameters. Contains:
1570          *  - blog_id
1571          *  - username
1572          *  - password
1573          *  - filter
1574          * @return array. Contains a collection of media items. See {@link wp_xmlrpc_server::wp_getMediaItem()} for a description of each item contents
1575          */
1576         function wp_getMediaLibrary($args) {
1577                 $raw_args = $args;
1578                 $this->escape($args);
1579
1580                 $blog_id        = (int) $args[0];
1581                 $username       = $args[1];
1582                 $password       = $args[2];
1583                 $struct         = isset( $args[3] ) ? $args[3] : array() ;
1584
1585                 if ( !$user = $this->login($username, $password) )
1586                         return $this->error;
1587
1588                 if ( !current_user_can( 'upload_files' ) )
1589                         return new IXR_Error( 401, __( 'Sorry, you cannot upload files.' ) );
1590
1591                 do_action('xmlrpc_call', 'wp.getMediaLibrary');
1592
1593                 $parent_id = ( isset($struct['parent_id']) ) ? absint($struct['parent_id']) : '' ;
1594                 $mime_type = ( isset($struct['mime_type']) ) ? $struct['mime_type'] : '' ;
1595                 $offset = ( isset($struct['offset']) ) ? absint($struct['offset']) : 0 ;
1596                 $number = ( isset($struct['number']) ) ? absint($struct['number']) : -1 ;
1597
1598                 $attachments = get_posts( array('post_type' => 'attachment', 'post_parent' => $parent_id, 'offset' => $offset, 'numberposts' => $number, 'post_mime_type' => $mime_type ) );
1599                 $num_attachments = count($attachments);
1600
1601                 if ( ! $num_attachments )
1602                         return array();
1603
1604                 $attachments_struct = array();
1605
1606                 foreach ($attachments as $attachment )
1607                         $attachments_struct[] = $this->wp_getMediaItem( array( $raw_args[0], $raw_args[1], $raw_args[2], $attachment->ID ) );
1608
1609                 return $attachments_struct;
1610         }
1611
1612         /**
1613           * Retrives a list of post formats used by the site
1614           *
1615           * @since 3.1
1616           *
1617           * @param array $args Method parameters. Contains:
1618           *  - blog_id
1619           *  - username
1620           *  - password
1621           * @return array
1622           */
1623         function wp_getPostFormats( $args ) {
1624                 $this->escape( $args );
1625
1626                 $blog_id = (int) $args[0];
1627                 $username = $args[1];
1628                 $password = $args[2];
1629
1630                 if ( !$user = $this->login( $username, $password ) )
1631                         return $this->error;
1632
1633                 do_action( 'xmlrpc_call', 'wp.getPostFormats' );
1634                 return get_post_format_strings();
1635         }
1636
1637         /* Blogger API functions.
1638          * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
1639          */
1640
1641         /**
1642          * Retrieve blogs that user owns.
1643          *
1644          * Will make more sense once we support multiple blogs.
1645          *
1646          * @since 1.5.0
1647          *
1648          * @param array $args Method parameters.
1649          * @return array
1650          */
1651         function blogger_getUsersBlogs($args) {
1652                 if ( is_multisite() )
1653                         return $this->_multisite_getUsersBlogs($args);
1654
1655                 $this->escape($args);
1656
1657                 $username = $args[1];
1658                 $password  = $args[2];
1659
1660                 if ( !$user = $this->login($username, $password) )
1661                         return $this->error;
1662
1663                 do_action('xmlrpc_call', 'blogger.getUsersBlogs');
1664
1665                 $is_admin = current_user_can('manage_options');
1666
1667                 $struct = array(
1668                         'isAdmin'  => $is_admin,
1669                         'url'      => get_option('home') . '/',
1670                         'blogid'   => '1',
1671                         'blogName' => get_option('blogname'),
1672                         'xmlrpc'   => site_url( 'xmlrpc.php' )
1673                 );
1674
1675                 return array($struct);
1676         }
1677
1678         /**
1679          * Private function for retrieving a users blogs for multisite setups
1680          *
1681          * @access protected
1682          */
1683         function _multisite_getUsersBlogs($args) {
1684                 global $current_blog;
1685                 $domain = $current_blog->domain;
1686                 $path = $current_blog->path . 'xmlrpc.php';
1687                 $protocol = is_ssl() ? 'https' : 'http';
1688
1689                 $rpc = new IXR_Client("$protocol://{$domain}{$path}");
1690                 $rpc->query('wp.getUsersBlogs', $args[1], $args[2]);
1691                 $blogs = $rpc->getResponse();
1692
1693                 if ( isset($blogs['faultCode']) )
1694                         return new IXR_Error($blogs['faultCode'], $blogs['faultString']);
1695
1696                 if ( $_SERVER['HTTP_HOST'] == $domain && $_SERVER['REQUEST_URI'] == $path ) {
1697                         return $blogs;
1698                 } else {
1699                         foreach ( (array) $blogs as $blog ) {
1700                                 if ( strpos($blog['url'], $_SERVER['HTTP_HOST']) )
1701                                         return array($blog);
1702                         }
1703                         return array();
1704                 }
1705         }
1706
1707         /**
1708          * Retrieve user's data.
1709          *
1710          * Gives your client some info about you, so you don't have to.
1711          *
1712          * @since 1.5.0
1713          *
1714          * @param array $args Method parameters.
1715          * @return array
1716          */
1717         function blogger_getUserInfo($args) {
1718
1719                 $this->escape($args);
1720
1721                 $username = $args[1];
1722                 $password  = $args[2];
1723
1724                 if ( !$user = $this->login($username, $password) )
1725                         return $this->error;
1726
1727                 if ( !current_user_can( 'edit_posts' ) )
1728                         return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this site.' ) );
1729
1730                 do_action('xmlrpc_call', 'blogger.getUserInfo');
1731
1732                 $struct = array(
1733                         'nickname'  => $user->nickname,
1734                         'userid'    => $user->ID,
1735                         'url'       => $user->user_url,
1736                         'lastname'  => $user->last_name,
1737                         'firstname' => $user->first_name
1738                 );
1739
1740                 return $struct;
1741         }
1742
1743         /**
1744          * Retrieve post.
1745          *
1746          * @since 1.5.0
1747          *
1748          * @param array $args Method parameters.
1749          * @return array
1750          */
1751         function blogger_getPost($args) {
1752
1753                 $this->escape($args);
1754
1755                 $post_ID    = (int) $args[1];
1756                 $username = $args[2];
1757                 $password  = $args[3];
1758
1759                 if ( !$user = $this->login($username, $password) )
1760                         return $this->error;
1761
1762                 if ( !current_user_can( 'edit_post', $post_ID ) )
1763                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
1764
1765                 do_action('xmlrpc_call', 'blogger.getPost');
1766
1767                 $post_data = wp_get_single_post($post_ID, ARRAY_A);
1768
1769                 $categories = implode(',', wp_get_post_categories($post_ID));
1770
1771                 $content  = '<title>'.stripslashes($post_data['post_title']).'</title>';
1772                 $content .= '<category>'.$categories.'</category>';
1773                 $content .= stripslashes($post_data['post_content']);
1774
1775                 $struct = array(
1776                         'userid'    => $post_data['post_author'],
1777                         'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'], false)),
1778                         'content'     => $content,
1779                         'postid'  => (string) $post_data['ID']
1780                 );
1781
1782                 return $struct;
1783         }
1784
1785         /**
1786          * Retrieve list of recent posts.
1787          *
1788          * @since 1.5.0
1789          *
1790          * @param array $args Method parameters.
1791          * @return array
1792          */
1793         function blogger_getRecentPosts($args) {
1794
1795                 $this->escape($args);
1796
1797                 // $args[0] = appkey - ignored
1798                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
1799                 $username = $args[2];
1800                 $password  = $args[3];
1801                 if ( isset( $args[4] ) )
1802                         $query = array( 'numberposts' => absint( $args[4] ) );
1803                 else
1804                         $query = array();
1805
1806                 if ( !$user = $this->login($username, $password) )
1807                         return $this->error;
1808
1809                 do_action('xmlrpc_call', 'blogger.getRecentPosts');
1810
1811                 $posts_list = wp_get_recent_posts( $query );
1812
1813                 if ( !$posts_list ) {
1814                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
1815                         return $this->error;
1816                 }
1817
1818                 foreach ($posts_list as $entry) {
1819                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
1820                                 continue;
1821
1822                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
1823                         $categories = implode(',', wp_get_post_categories($entry['ID']));
1824
1825                         $content  = '<title>'.stripslashes($entry['post_title']).'</title>';
1826                         $content .= '<category>'.$categories.'</category>';
1827                         $content .= stripslashes($entry['post_content']);
1828
1829                         $struct[] = array(
1830                                 'userid' => $entry['post_author'],
1831                                 'dateCreated' => new IXR_Date($post_date),
1832                                 'content' => $content,
1833                                 'postid' => (string) $entry['ID'],
1834                         );
1835
1836                 }
1837
1838                 $recent_posts = array();
1839                 for ( $j=0; $j<count($struct); $j++ ) {
1840                         array_push($recent_posts, $struct[$j]);
1841                 }
1842
1843                 return $recent_posts;
1844         }
1845
1846         /**
1847          * Retrieve blog_filename content.
1848          *
1849          * @since 1.5.0
1850          *
1851          * @param array $args Method parameters.
1852          * @return string
1853          */
1854         function blogger_getTemplate($args) {
1855
1856                 $this->escape($args);
1857
1858                 $blog_ID    = (int) $args[1];
1859                 $username = $args[2];
1860                 $password  = $args[3];
1861                 $template   = $args[4]; /* could be 'main' or 'archiveIndex', but we don't use it */
1862
1863                 if ( !$user = $this->login($username, $password) )
1864                         return $this->error;
1865
1866                 do_action('xmlrpc_call', 'blogger.getTemplate');
1867
1868                 if ( !current_user_can('edit_themes') )
1869                         return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
1870
1871                 /* warning: here we make the assumption that the blog's URL is on the same server */
1872                 $filename = get_option('home') . '/';
1873                 $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
1874
1875                 $f = fopen($filename, 'r');
1876                 $content = fread($f, filesize($filename));
1877                 fclose($f);
1878
1879                 /* so it is actually editable with a windows/mac client */
1880                 // FIXME: (or delete me) do we really want to cater to bad clients at the expense of good ones by BEEPing up their line breaks? commented.     $content = str_replace("\n", "\r\n", $content);
1881
1882                 return $content;
1883         }
1884
1885         /**
1886          * Updates the content of blog_filename.
1887          *
1888          * @since 1.5.0
1889          *
1890          * @param array $args Method parameters.
1891          * @return bool True when done.
1892          */
1893         function blogger_setTemplate($args) {
1894
1895                 $this->escape($args);
1896
1897                 $blog_ID    = (int) $args[1];
1898                 $username = $args[2];
1899                 $password  = $args[3];
1900                 $content    = $args[4];
1901                 $template   = $args[5]; /* could be 'main' or 'archiveIndex', but we don't use it */
1902
1903                 if ( !$user = $this->login($username, $password) )
1904                         return $this->error;
1905
1906                 do_action('xmlrpc_call', 'blogger.setTemplate');
1907
1908                 if ( !current_user_can('edit_themes') )
1909                         return new IXR_Error(401, __('Sorry, this user cannot edit the template.'));
1910
1911                 /* warning: here we make the assumption that the blog's URL is on the same server */
1912                 $filename = get_option('home') . '/';
1913                 $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
1914
1915                 if ($f = fopen($filename, 'w+')) {
1916                         fwrite($f, $content);
1917                         fclose($f);
1918                 } else {
1919                         return new IXR_Error(500, __('Either the file is not writable, or something wrong happened. The file has not been updated.'));
1920                 }
1921
1922                 return true;
1923         }
1924
1925         /**
1926          * Create new post.
1927          *
1928          * @since 1.5.0
1929          *
1930          * @param array $args Method parameters.
1931          * @return int
1932          */
1933         function blogger_newPost($args) {
1934
1935                 $this->escape($args);
1936
1937                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
1938                 $username = $args[2];
1939                 $password  = $args[3];
1940                 $content    = $args[4];
1941                 $publish    = $args[5];
1942
1943                 if ( !$user = $this->login($username, $password) )
1944                         return $this->error;
1945
1946                 do_action('xmlrpc_call', 'blogger.newPost');
1947
1948                 $cap = ($publish) ? 'publish_posts' : 'edit_posts';
1949                 if ( !current_user_can($cap) )
1950                         return new IXR_Error(401, __('Sorry, you are not allowed to post on this site.'));
1951
1952                 $post_status = ($publish) ? 'publish' : 'draft';
1953
1954                 $post_author = $user->ID;
1955
1956                 $post_title = xmlrpc_getposttitle($content);
1957                 $post_category = xmlrpc_getpostcategory($content);
1958                 $post_content = xmlrpc_removepostdata($content);
1959
1960                 $post_date = current_time('mysql');
1961                 $post_date_gmt = current_time('mysql', 1);
1962
1963                 $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');
1964
1965                 $post_ID = wp_insert_post($post_data);
1966                 if ( is_wp_error( $post_ID ) )
1967                         return new IXR_Error(500, $post_ID->get_error_message());
1968
1969                 if ( !$post_ID )
1970                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
1971
1972                 $this->attach_uploads( $post_ID, $post_content );
1973
1974                 logIO('O', "Posted ! ID: $post_ID");
1975
1976                 return $post_ID;
1977         }
1978
1979         /**
1980          * Edit a post.
1981          *
1982          * @since 1.5.0
1983          *
1984          * @param array $args Method parameters.
1985          * @return bool true when done.
1986          */
1987         function blogger_editPost($args) {
1988
1989                 $this->escape($args);
1990
1991                 $post_ID     = (int) $args[1];
1992                 $username  = $args[2];
1993                 $password   = $args[3];
1994                 $content     = $args[4];
1995                 $publish     = $args[5];
1996
1997                 if ( !$user = $this->login($username, $password) )
1998                         return $this->error;
1999
2000                 do_action('xmlrpc_call', 'blogger.editPost');
2001
2002                 $actual_post = wp_get_single_post($post_ID,ARRAY_A);
2003
2004                 if ( !$actual_post || $actual_post['post_type'] != 'post' )
2005                         return new IXR_Error(404, __('Sorry, no such post.'));
2006
2007                 $this->escape($actual_post);
2008
2009                 if ( !current_user_can('edit_post', $post_ID) )
2010                         return new IXR_Error(401, __('Sorry, you do not have the right to edit this post.'));
2011
2012                 extract($actual_post, EXTR_SKIP);
2013
2014                 if ( ('publish' == $post_status) && !current_user_can('publish_posts') )
2015                         return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
2016
2017                 $post_title = xmlrpc_getposttitle($content);
2018                 $post_category = xmlrpc_getpostcategory($content);
2019                 $post_content = xmlrpc_removepostdata($content);
2020
2021                 $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt');
2022
2023                 $result = wp_update_post($postdata);
2024
2025                 if ( !$result )
2026                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
2027
2028                 $this->attach_uploads( $ID, $post_content );
2029
2030                 return true;
2031         }
2032
2033         /**
2034          * Remove a post.
2035          *
2036          * @since 1.5.0
2037          *
2038          * @param array $args Method parameters.
2039          * @return bool True when post is deleted.
2040          */
2041         function blogger_deletePost($args) {
2042                 $this->escape($args);
2043
2044                 $post_ID     = (int) $args[1];
2045                 $username  = $args[2];
2046                 $password   = $args[3];
2047                 $publish     = $args[4];
2048
2049                 if ( !$user = $this->login($username, $password) )
2050                         return $this->error;
2051
2052                 do_action('xmlrpc_call', 'blogger.deletePost');
2053
2054                 $actual_post = wp_get_single_post($post_ID,ARRAY_A);
2055
2056                 if ( !$actual_post || $actual_post['post_type'] != 'post' )
2057                         return new IXR_Error(404, __('Sorry, no such post.'));
2058
2059                 if ( !current_user_can('delete_post', $post_ID) )
2060                         return new IXR_Error(401, __('Sorry, you do not have the right to delete this post.'));
2061
2062                 $result = wp_delete_post($post_ID);
2063
2064                 if ( !$result )
2065                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
2066
2067                 return true;
2068         }
2069
2070         /* MetaWeblog API functions
2071          * specs on wherever Dave Winer wants them to be
2072          */
2073
2074         /**
2075          * Create a new post.
2076          *
2077          * @since 1.5.0
2078          *
2079          * @param array $args Method parameters.
2080          * @return int
2081          */
2082         function mw_newPost($args) {
2083                 $this->escape($args);
2084
2085                 $blog_ID     = (int) $args[0]; // we will support this in the near future
2086                 $username  = $args[1];
2087                 $password   = $args[2];
2088                 $content_struct = $args[3];
2089                 $publish     = isset( $args[4] ) ? $args[4] : 0;
2090
2091                 if ( !$user = $this->login($username, $password) )
2092                         return $this->error;
2093
2094                 do_action('xmlrpc_call', 'metaWeblog.newPost');
2095
2096                 $page_template = '';
2097                 if ( !empty( $content_struct['post_type'] ) ) {
2098                         if ( $content_struct['post_type'] == 'page' ) {
2099                                 if ( $publish )
2100                                         $cap  = 'publish_pages';
2101                                 elseif ('publish' == $content_struct['page_status'])
2102                                         $cap  = 'publish_pages';
2103                                 else
2104                                         $cap = 'edit_pages';
2105                                 $error_message = __( 'Sorry, you are not allowed to publish pages on this site.' );
2106                                 $post_type = 'page';
2107                                 if ( !empty( $content_struct['wp_page_template'] ) )
2108                                         $page_template = $content_struct['wp_page_template'];
2109                         } elseif ( $content_struct['post_type'] == 'post' ) {
2110                                 if ( $publish )
2111                                         $cap  = 'publish_posts';
2112                                 elseif ('publish' == $content_struct['post_status'])
2113                                         $cap  = 'publish_posts';
2114                                 else
2115                                         $cap = 'edit_posts';
2116                                 $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
2117                                 $post_type = 'post';
2118                         } else {
2119                                 // No other post_type values are allowed here
2120                                 return new IXR_Error( 401, __( 'Invalid post type.' ) );
2121                         }
2122                 } else {
2123                         if ( $publish )
2124                                 $cap  = 'publish_posts';
2125                         elseif ('publish' == $content_struct['post_status'])
2126                                 $cap  = 'publish_posts';
2127                         else
2128                                 $cap = 'edit_posts';
2129                         $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
2130                         $post_type = 'post';
2131                 }
2132
2133                 if ( !current_user_can( $cap ) )
2134                         return new IXR_Error( 401, $error_message );
2135
2136                 // Check for a valid post format if one was given
2137                 if ( isset( $content_struct['wp_post_format'] ) ) {
2138                         $content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
2139                         if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
2140                                 return new IXR_Error( 404, __( 'Invalid post format' ) );
2141                         }
2142                 }
2143
2144                 // Let WordPress generate the post_name (slug) unless
2145                 // one has been provided.
2146                 $post_name = "";
2147                 if ( isset($content_struct["wp_slug"]) )
2148                         $post_name = $content_struct["wp_slug"];
2149
2150                 // Only use a password if one was given.
2151                 if ( isset($content_struct["wp_password"]) )
2152                         $post_password = $content_struct["wp_password"];
2153
2154                 // Only set a post parent if one was provided.
2155                 if ( isset($content_struct["wp_page_parent_id"]) )
2156                         $post_parent = $content_struct["wp_page_parent_id"];
2157
2158                 // Only set the menu_order if it was provided.
2159                 if ( isset($content_struct["wp_page_order"]) )
2160                         $menu_order = $content_struct["wp_page_order"];
2161
2162                 $post_author = $user->ID;
2163
2164                 // If an author id was provided then use it instead.
2165                 if ( isset($content_struct["wp_author_id"]) && ($user->ID != $content_struct["wp_author_id"]) ) {
2166                         switch ( $post_type ) {
2167                                 case "post":
2168                                         if ( !current_user_can("edit_others_posts") )
2169                                                 return(new IXR_Error(401, __("You are not allowed to post as this user")));
2170                                         break;
2171                                 case "page":
2172                                         if ( !current_user_can("edit_others_pages") )
2173                                                 return(new IXR_Error(401, __("You are not allowed to create pages as this user")));
2174                                         break;
2175                                 default:
2176                                         return(new IXR_Error(401, __("Invalid post type.")));
2177                                         break;
2178                         }
2179                         $post_author = $content_struct["wp_author_id"];
2180                 }
2181
2182                 $post_title = isset( $content_struct['title'] ) ? $content_struct['title'] : null;
2183                 $post_content = isset( $content_struct['description'] ) ? $content_struct['description'] : null;
2184
2185                 $post_status = $publish ? 'publish' : 'draft';
2186
2187                 if ( isset( $content_struct["{$post_type}_status"] ) ) {
2188                         switch ( $content_struct["{$post_type}_status"] ) {
2189                                 case 'draft':
2190                                 case 'private':
2191                                 case 'publish':
2192                                         $post_status = $content_struct["{$post_type}_status"];
2193                                         break;
2194                                 case 'pending':
2195                                         // Pending is only valid for posts, not pages.
2196                                         if ( $post_type === 'post' )
2197                                                 $post_status = $content_struct["{$post_type}_status"];
2198                                         break;
2199                                 default:
2200                                         $post_status = $publish ? 'publish' : 'draft';
2201                                         break;
2202                         }
2203                 }
2204
2205                 $post_excerpt = isset($content_struct['mt_excerpt']) ? $content_struct['mt_excerpt'] : null;
2206                 $post_more = isset($content_struct['mt_text_more']) ? $content_struct['mt_text_more'] : null;
2207
2208                 $tags_input = isset($content_struct['mt_keywords']) ? $content_struct['mt_keywords'] : null;
2209
2210                 if ( isset($content_struct["mt_allow_comments"]) ) {
2211                         if ( !is_numeric($content_struct["mt_allow_comments"]) ) {
2212                                 switch ( $content_struct["mt_allow_comments"] ) {
2213                                         case "closed":
2214                                                 $comment_status = "closed";
2215                                                 break;
2216                                         case "open":
2217                                                 $comment_status = "open";
2218                                                 break;
2219                                         default:
2220                                                 $comment_status = get_option("default_comment_status");
2221                                                 break;
2222                                 }
2223                         } else {
2224                                 switch ( (int) $content_struct["mt_allow_comments"] ) {
2225                                         case 0:
2226                                         case 2:
2227                                                 $comment_status = "closed";
2228                                                 break;
2229                                         case 1:
2230                                                 $comment_status = "open";
2231                                                 break;
2232                                         default:
2233                                                 $comment_status = get_option("default_comment_status");
2234                                                 break;
2235                                 }
2236                         }
2237                 } else {
2238                         $comment_status = get_option("default_comment_status");
2239                 }
2240
2241                 if ( isset($content_struct["mt_allow_pings"]) ) {
2242                         if ( !is_numeric($content_struct["mt_allow_pings"]) ) {
2243                                 switch ( $content_struct['mt_allow_pings'] ) {
2244                                         case "closed":
2245                                                 $ping_status = "closed";
2246                                                 break;
2247                                         case "open":
2248                                                 $ping_status = "open";
2249                                                 break;
2250                                         default:
2251                                                 $ping_status = get_option("default_ping_status");
2252                                                 break;
2253                                 }
2254                         } else {
2255                                 switch ( (int) $content_struct["mt_allow_pings"] ) {
2256                                         case 0:
2257                                                 $ping_status = "closed";
2258                                                 break;
2259                                         case 1:
2260                                                 $ping_status = "open";
2261                                                 break;
2262                                         default:
2263                                                 $ping_status = get_option("default_ping_status");
2264                                                 break;
2265                                 }
2266                         }
2267                 } else {
2268                         $ping_status = get_option("default_ping_status");
2269                 }
2270
2271                 if ( $post_more )
2272                         $post_content = $post_content . "<!--more-->" . $post_more;
2273
2274                 $to_ping = null;
2275                 if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
2276                         $to_ping = $content_struct['mt_tb_ping_urls'];
2277                         if ( is_array($to_ping) )
2278                                 $to_ping = implode(' ', $to_ping);
2279                 }
2280
2281                 // Do some timestamp voodoo
2282                 if ( !empty( $content_struct['date_created_gmt'] ) )
2283                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
2284                 elseif ( !empty( $content_struct['dateCreated']) )
2285                         $dateCreated = $content_struct['dateCreated']->getIso();
2286
2287                 if ( !empty( $dateCreated ) ) {
2288                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
2289                         $post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
2290                 } else {
2291                         $post_date = current_time('mysql');
2292                         $post_date_gmt = current_time('mysql', 1);
2293                 }
2294
2295                 $post_category = array();
2296                 if ( isset( $content_struct['categories'] ) ) {
2297                         $catnames = $content_struct['categories'];
2298                         logIO('O', 'Post cats: ' . var_export($catnames,true));
2299
2300                         if ( is_array($catnames) ) {
2301                                 foreach ($catnames as $cat) {
2302                                         $post_category[] = get_cat_ID($cat);
2303                                 }
2304                         }
2305                 }
2306
2307                 // We've got all the data -- post it:
2308                 $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');
2309
2310                 $post_ID = wp_insert_post($postdata, true);
2311                 if ( is_wp_error( $post_ID ) )
2312                         return new IXR_Error(500, $post_ID->get_error_message());
2313
2314                 if ( !$post_ID )
2315                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
2316
2317                 // Only posts can be sticky
2318                 if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
2319                         if ( $content_struct['sticky'] == true )
2320                                 stick_post( $post_ID );
2321                         elseif ( $content_struct['sticky'] == false )
2322                                 unstick_post( $post_ID );
2323                 }
2324
2325                 if ( isset($content_struct['custom_fields']) )
2326                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
2327
2328                 // Handle enclosures
2329                 $thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
2330                 $this->add_enclosure_if_new($post_ID, $thisEnclosure);
2331
2332                 $this->attach_uploads( $post_ID, $post_content );
2333
2334                 // Handle post formats if assigned, value is validated earlier
2335                 // in this function
2336                 if ( isset( $content_struct['wp_post_format'] ) )
2337                         wp_set_post_terms( $post_ID, array( 'post-format-' . $content_struct['wp_post_format'] ), 'post_format' );
2338
2339                 logIO('O', "Posted ! ID: $post_ID");
2340
2341                 return strval($post_ID);
2342         }
2343
2344         function add_enclosure_if_new($post_ID, $enclosure) {
2345                 if ( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
2346
2347                         $encstring = $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'];
2348                         $found = false;
2349                         foreach ( (array) get_post_custom($post_ID) as $key => $val) {
2350                                 if ($key == 'enclosure') {
2351                                         foreach ( (array) $val as $enc ) {
2352                                                 if ($enc == $encstring) {
2353                                                         $found = true;
2354                                                         break 2;
2355                                                 }
2356                                         }
2357                                 }
2358                         }
2359                         if (!$found)
2360                                 add_post_meta( $post_ID, 'enclosure', $encstring );
2361                 }
2362         }
2363
2364         /**
2365          * Attach upload to a post.
2366          *
2367          * @since 2.1.0
2368          *
2369          * @param int $post_ID Post ID.
2370          * @param string $post_content Post Content for attachment.
2371          */
2372         function attach_uploads( $post_ID, $post_content ) {
2373                 global $wpdb;
2374
2375                 // find any unattached files
2376                 $attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '0' AND post_type = 'attachment'" );
2377                 if ( is_array( $attachments ) ) {
2378                         foreach ( $attachments as $file ) {
2379                                 if ( strpos( $post_content, $file->guid ) !== false )
2380                                         $wpdb->update($wpdb->posts, array('post_parent' => $post_ID), array('ID' => $file->ID) );
2381                         }
2382                 }
2383         }
2384
2385         /**
2386          * Edit a post.
2387          *
2388          * @since 1.5.0
2389          *
2390          * @param array $args Method parameters.
2391          * @return bool True on success.
2392          */
2393         function mw_editPost($args) {
2394
2395                 $this->escape($args);
2396
2397                 $post_ID     = (int) $args[0];
2398                 $username  = $args[1];
2399                 $password   = $args[2];
2400                 $content_struct = $args[3];
2401                 $publish     = $args[4];
2402
2403                 if ( !$user = $this->login($username, $password) )
2404                         return $this->error;
2405
2406                 do_action('xmlrpc_call', 'metaWeblog.editPost');
2407
2408                 $cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
2409                 $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
2410                 $post_type = 'post';
2411                 $page_template = '';
2412                 if ( !empty( $content_struct['post_type'] ) ) {
2413                         if ( $content_struct['post_type'] == 'page' ) {
2414                                 if ( $publish || 'publish' == $content_struct['page_status'] )
2415                                         $cap  = 'publish_pages';
2416                                 else
2417                                         $cap = 'edit_pages';
2418                                 $error_message = __( 'Sorry, you are not allowed to publish pages on this site.' );
2419                                 $post_type = 'page';
2420                                 if ( !empty( $content_struct['wp_page_template'] ) )
2421                                         $page_template = $content_struct['wp_page_template'];
2422                         } elseif ( $content_struct['post_type'] == 'post' ) {
2423                                 if ( $publish || 'publish' == $content_struct['post_status'] )
2424                                         $cap  = 'publish_posts';
2425                                 else
2426                                         $cap = 'edit_posts';
2427                                 $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
2428                                 $post_type = 'post';
2429                         } else {
2430                                 // No other post_type values are allowed here
2431                                 return new IXR_Error( 401, __( 'Invalid post type.' ) );
2432                         }
2433                 } else {
2434                         if ( $publish || 'publish' == $content_struct['post_status'] )
2435                                 $cap  = 'publish_posts';
2436                         else
2437                                 $cap = 'edit_posts';
2438                         $error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
2439                         $post_type = 'post';
2440                 }
2441
2442                 if ( !current_user_can( $cap ) )
2443                         return new IXR_Error( 401, $error_message );
2444
2445                 // Check for a valid post format if one was given
2446                 if ( isset( $content_struct['wp_post_format'] ) ) {
2447                         $content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
2448                         if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
2449                                 return new IXR_Error( 404, __( 'Invalid post format' ) );
2450                         }
2451                 }
2452
2453                 $postdata = wp_get_single_post($post_ID, ARRAY_A);
2454
2455                 // If there is no post data for the give post id, stop
2456                 // now and return an error.  Other wise a new post will be
2457                 // created (which was the old behavior).
2458                 if ( empty($postdata["ID"]) )
2459                         return(new IXR_Error(404, __("Invalid post ID.")));
2460
2461                 $this->escape($postdata);
2462                 extract($postdata, EXTR_SKIP);
2463
2464                 // Let WordPress manage slug if none was provided.
2465                 $post_name = "";
2466                 if ( isset($content_struct["wp_slug"]) )
2467                         $post_name = $content_struct["wp_slug"];
2468
2469                 // Only use a password if one was given.
2470                 if ( isset($content_struct["wp_password"]) )
2471                         $post_password = $content_struct["wp_password"];
2472
2473                 // Only set a post parent if one was given.
2474                 if ( isset($content_struct["wp_page_parent_id"]) )
2475                         $post_parent = $content_struct["wp_page_parent_id"];
2476
2477                 // Only set the menu_order if it was given.
2478                 if ( isset($content_struct["wp_page_order"]) )
2479                         $menu_order = $content_struct["wp_page_order"];
2480
2481                 $post_author = $postdata["post_author"];
2482
2483                 // Only set the post_author if one is set.
2484                 if ( isset($content_struct["wp_author_id"]) && ($user->ID != $content_struct["wp_author_id"]) ) {
2485                         switch ( $post_type ) {
2486                                 case "post":
2487                                         if ( !current_user_can("edit_others_posts") )
2488                                                 return(new IXR_Error(401, __("You are not allowed to change the post author as this user.")));
2489                                         break;
2490                                 case "page":
2491                                         if ( !current_user_can("edit_others_pages") )
2492                                                 return(new IXR_Error(401, __("You are not allowed to change the page author as this user.")));
2493                                         break;
2494                                 default:
2495                                         return(new IXR_Error(401, __("Invalid post type.")));
2496                                         break;
2497                         }
2498                         $post_author = $content_struct["wp_author_id"];
2499                 }
2500
2501                 if ( isset($content_struct["mt_allow_comments"]) ) {
2502                         if ( !is_numeric($content_struct["mt_allow_comments"]) ) {
2503                                 switch ( $content_struct["mt_allow_comments"] ) {
2504                                         case "closed":
2505                                                 $comment_status = "closed";
2506                                                 break;
2507                                         case "open":
2508                                                 $comment_status = "open";
2509                                                 break;
2510                                         default:
2511                                                 $comment_status = get_option("default_comment_status");
2512                                                 break;
2513                                 }
2514                         } else {
2515                                 switch ( (int) $content_struct["mt_allow_comments"] ) {
2516                                         case 0:
2517                                         case 2:
2518                                                 $comment_status = "closed";
2519                                                 break;
2520                                         case 1:
2521                                                 $comment_status = "open";
2522                                                 break;
2523                                         default:
2524                                                 $comment_status = get_option("default_comment_status");
2525                                                 break;
2526                                 }
2527                         }
2528                 }
2529
2530                 if ( isset($content_struct["mt_allow_pings"]) ) {
2531                         if ( !is_numeric($content_struct["mt_allow_pings"]) ) {
2532                                 switch ( $content_struct["mt_allow_pings"] ) {
2533                                         case "closed":
2534                                                 $ping_status = "closed";
2535                                                 break;
2536                                         case "open":
2537                                                 $ping_status = "open";
2538                                                 break;
2539                                         default:
2540                                                 $ping_status = get_option("default_ping_status");
2541                                                 break;
2542                                 }
2543                         } else {
2544                                 switch ( (int) $content_struct["mt_allow_pings"] ) {
2545                                         case 0:
2546                                                 $ping_status = "closed";
2547                                                 break;
2548                                         case 1:
2549                                                 $ping_status = "open";
2550                                                 break;
2551                                         default:
2552                                                 $ping_status = get_option("default_ping_status");
2553                                                 break;
2554                                 }
2555                         }
2556                 }
2557
2558                 $post_title = isset( $content_struct['title'] ) ? $content_struct['title'] : null;
2559                 $post_content = isset( $content_struct['description'] ) ? $content_struct['description'] : null;
2560
2561                 $post_category = array();
2562                 if ( isset( $content_struct['categories'] ) ) {
2563                         $catnames = $content_struct['categories'];
2564                         if ( is_array($catnames) ) {
2565                                 foreach ($catnames as $cat) {
2566                                         $post_category[] = get_cat_ID($cat);
2567                                 }
2568                         }
2569                 }
2570
2571                 $post_excerpt = isset( $content_struct['mt_excerpt'] ) ? $content_struct['mt_excerpt'] : null;
2572                 $post_more = isset( $content_struct['mt_text_more'] ) ? $content_struct['mt_text_more'] : null;
2573
2574                 $post_status = $publish ? 'publish' : 'draft';
2575                 if ( isset( $content_struct["{$post_type}_status"] ) ) {
2576                         switch( $content_struct["{$post_type}_status"] ) {
2577                                 case 'draft':
2578                                 case 'private':
2579                                 case 'publish':
2580                                         $post_status = $content_struct["{$post_type}_status"];
2581                                         break;
2582                                 case 'pending':
2583                                         // Pending is only valid for posts, not pages.
2584                                         if ( $post_type === 'post' )
2585                                                 $post_status = $content_struct["{$post_type}_status"];
2586                                         break;
2587                                 default:
2588                                         $post_status = $publish ? 'publish' : 'draft';
2589                                         break;
2590                         }
2591                 }
2592
2593                 $tags_input = isset( $content_struct['mt_keywords'] ) ? $content_struct['mt_keywords'] : null;
2594
2595                 if ( ('publish' == $post_status) ) {
2596                         if ( ( 'page' == $post_type ) && !current_user_can('publish_pages') )
2597                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this page.'));
2598                         else if ( !current_user_can('publish_posts') )
2599                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
2600                 }
2601
2602                 if ( $post_more )
2603                         $post_content = $post_content . "<!--more-->" . $post_more;
2604
2605                 $to_ping = null;
2606                 if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
2607                         $to_ping = $content_struct['mt_tb_ping_urls'];
2608                         if ( is_array($to_ping) )
2609                                 $to_ping = implode(' ', $to_ping);
2610                 }
2611
2612                 // Do some timestamp voodoo
2613                 if ( !empty( $content_struct['date_created_gmt'] ) )
2614                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
2615                 elseif ( !empty( $content_struct['dateCreated']) )
2616                         $dateCreated = $content_struct['dateCreated']->getIso();
2617
2618                 if ( !empty( $dateCreated ) ) {
2619                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
2620                         $post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
2621                 } else {
2622                         $post_date     = $postdata['post_date'];
2623                         $post_date_gmt = $postdata['post_date_gmt'];
2624                 }
2625
2626                 // We've got all the data -- post it:
2627                 $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');
2628
2629                 $result = wp_update_post($newpost, true);
2630                 if ( is_wp_error( $result ) )
2631                         return new IXR_Error(500, $result->get_error_message());
2632
2633                 if ( !$result )
2634                         return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
2635
2636                 // Only posts can be sticky
2637                 if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
2638                         if ( $content_struct['sticky'] == true )
2639                                 stick_post( $post_ID );
2640                         elseif ( $content_struct['sticky'] == false )
2641                                 unstick_post( $post_ID );
2642                 }
2643
2644                 if ( isset($content_struct['custom_fields']) )
2645                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
2646
2647                 // Handle enclosures
2648                 $thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
2649                 $this->add_enclosure_if_new($post_ID, $thisEnclosure);
2650
2651                 $this->attach_uploads( $ID, $post_content );
2652
2653                 // Handle post formats if assigned, validation is handled
2654                 // earlier in this function
2655                 if ( isset( $content_struct['wp_post_format'] ) )
2656                         wp_set_post_terms( $post_ID, array( 'post-format-' . $content_struct['wp_post_format'] ), 'post_format' );
2657
2658                 logIO('O',"(MW) Edited ! ID: $post_ID");
2659
2660                 return true;
2661         }
2662
2663         /**
2664          * Retrieve post.
2665          *
2666          * @since 1.5.0
2667          *
2668          * @param array $args Method parameters.
2669          * @return array
2670          */
2671         function mw_getPost($args) {
2672
2673                 $this->escape($args);
2674
2675                 $post_ID     = (int) $args[0];
2676                 $username  = $args[1];
2677                 $password   = $args[2];
2678
2679                 if ( !$user = $this->login($username, $password) )
2680                         return $this->error;
2681
2682                 if ( !current_user_can( 'edit_post', $post_ID ) )
2683                         return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
2684
2685                 do_action('xmlrpc_call', 'metaWeblog.getPost');
2686
2687                 $postdata = wp_get_single_post($post_ID, ARRAY_A);
2688
2689                 if ($postdata['post_date'] != '') {
2690                         $post_date = mysql2date('Ymd\TH:i:s', $postdata['post_date'], false);
2691                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $postdata['post_date_gmt'], false);
2692
2693                         // For drafts use the GMT version of the post date
2694                         if ( $postdata['post_status'] == 'draft' )
2695                                 $post_date_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $postdata['post_date'] ), 'Ymd\TH:i:s' );
2696
2697                         $categories = array();
2698                         $catids = wp_get_post_categories($post_ID);
2699                         foreach($catids as $catid)
2700                                 $categories[] = get_cat_name($catid);
2701
2702                         $tagnames = array();
2703                         $tags = wp_get_post_tags( $post_ID );
2704                         if ( !empty( $tags ) ) {
2705                                 foreach ( $tags as $tag )
2706                                         $tagnames[] = $tag->name;
2707                                 $tagnames = implode( ', ', $tagnames );
2708                         } else {
2709                                 $tagnames = '';
2710                         }
2711
2712                         $post = get_extended($postdata['post_content']);
2713                         $link = post_permalink($postdata['ID']);
2714
2715                         // Get the author info.
2716                         $author = get_userdata($postdata['post_author']);
2717
2718                         $allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
2719                         $allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;
2720
2721                         // Consider future posts as published
2722                         if ( $postdata['post_status'] === 'future' )
2723                                 $postdata['post_status'] = 'publish';
2724
2725                         // Get post format
2726                         $post_format = get_post_format( $post_ID );
2727                         if ( empty( $post_format ) )
2728                                 $post_format = 'standard';
2729
2730                         $sticky = false;
2731                         if ( is_sticky( $post_ID ) )
2732                                 $sticky = true;
2733
2734                         $enclosure = array();
2735                         foreach ( (array) get_post_custom($post_ID) as $key => $val) {
2736                                 if ($key == 'enclosure') {
2737                                         foreach ( (array) $val as $enc ) {
2738                                                 $encdata = split("\n", $enc);
2739                                                 $enclosure['url'] = trim(htmlspecialchars($encdata[0]));
2740                                                 $enclosure['length'] = (int) trim($encdata[1]);
2741                                                 $enclosure['type'] = trim($encdata[2]);
2742                                                 break 2;
2743                                         }
2744                                 }
2745                         }
2746
2747                         $resp = array(
2748                                 'dateCreated' => new IXR_Date($post_date),
2749                                 'userid' => $postdata['post_author'],
2750                                 'postid' => $postdata['ID'],
2751                                 'description' => $post['main'],
2752                                 'title' => $postdata['post_title'],
2753                                 'link' => $link,
2754                                 'permaLink' => $link,
2755                                 // commented out because no other tool seems to use this
2756                                 //            'content' => $entry['post_content'],
2757                                 'categories' => $categories,
2758                                 'mt_excerpt' => $postdata['post_excerpt'],
2759                                 'mt_text_more' => $post['extended'],
2760                                 'mt_allow_comments' => $allow_comments,
2761                                 'mt_allow_pings' => $allow_pings,
2762                                 'mt_keywords' => $tagnames,
2763                                 'wp_slug' => $postdata['post_name'],
2764                                 'wp_password' => $postdata['post_password'],
2765                                 'wp_author_id' => $author->ID,
2766                                 'wp_author_display_name'        => $author->display_name,
2767                                 'date_created_gmt' => new IXR_Date($post_date_gmt),
2768                                 'post_status' => $postdata['post_status'],
2769                                 'custom_fields' => $this->get_custom_fields($post_ID),
2770                                 'wp_post_format' => $post_format,
2771                                 'sticky' => $sticky
2772                         );
2773
2774                         if ( !empty($enclosure) ) $resp['enclosure'] = $enclosure;
2775
2776                         return $resp;
2777                 } else {
2778                         return new IXR_Error(404, __('Sorry, no such post.'));
2779                 }
2780         }
2781
2782         /**
2783          * Retrieve list of recent posts.
2784          *
2785          * @since 1.5.0
2786          *
2787          * @param array $args Method parameters.
2788          * @return array
2789          */
2790         function mw_getRecentPosts($args) {
2791
2792                 $this->escape($args);
2793
2794                 $blog_ID     = (int) $args[0];
2795                 $username  = $args[1];
2796                 $password   = $args[2];
2797                 if ( isset( $args[3] ) )
2798                         $query = array( 'numberposts' => absint( $args[3] ) );
2799                 else
2800                         $query = array();
2801
2802                 if ( !$user = $this->login($username, $password) )
2803                         return $this->error;
2804
2805                 do_action('xmlrpc_call', 'metaWeblog.getRecentPosts');
2806
2807                 $posts_list = wp_get_recent_posts( $query );
2808
2809                 if ( !$posts_list )
2810                         return array( );
2811
2812                 foreach ($posts_list as $entry) {
2813                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
2814                                 continue;
2815
2816                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
2817                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt'], false);
2818
2819                         // For drafts use the GMT version of the date
2820                         if ( $entry['post_status'] == 'draft' )
2821                                 $post_date_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $entry['post_date'] ), 'Ymd\TH:i:s' );
2822
2823                         $categories = array();
2824                         $catids = wp_get_post_categories($entry['ID']);
2825                         foreach( $catids as $catid )
2826                                 $categories[] = get_cat_name($catid);
2827
2828                         $tagnames = array();
2829                         $tags = wp_get_post_tags( $entry['ID'] );
2830                         if ( !empty( $tags ) ) {
2831                                 foreach ( $tags as $tag ) {
2832                                         $tagnames[] = $tag->name;
2833                                 }
2834                                 $tagnames = implode( ', ', $tagnames );
2835                         } else {
2836                                 $tagnames = '';
2837                         }
2838
2839                         $post = get_extended($entry['post_content']);
2840                         $link = post_permalink($entry['ID']);
2841
2842                         // Get the post author info.
2843                         $author = get_userdata($entry['post_author']);
2844
2845                         $allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
2846                         $allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;
2847
2848                         // Consider future posts as published
2849                         if ( $entry['post_status'] === 'future' )
2850                                 $entry['post_status'] = 'publish';
2851
2852                         // Get post format
2853                         $post_format = get_post_format( $entry['ID'] );
2854                         if ( empty( $post_format ) )
2855                                 $post_format = 'standard';
2856
2857                         $struct[] = array(
2858                                 'dateCreated' => new IXR_Date($post_date),
2859                                 'userid' => $entry['post_author'],
2860                                 'postid' => (string) $entry['ID'],
2861                                 'description' => $post['main'],
2862                                 'title' => $entry['post_title'],
2863                                 'link' => $link,
2864                                 'permaLink' => $link,
2865                                 // commented out because no other tool seems to use this
2866                                 // 'content' => $entry['post_content'],
2867                                 'categories' => $categories,
2868                                 'mt_excerpt' => $entry['post_excerpt'],
2869                                 'mt_text_more' => $post['extended'],
2870                                 'mt_allow_comments' => $allow_comments,
2871                                 'mt_allow_pings' => $allow_pings,
2872                                 'mt_keywords' => $tagnames,
2873                                 'wp_slug' => $entry['post_name'],
2874                                 'wp_password' => $entry['post_password'],
2875                                 'wp_author_id' => $author->ID,
2876                                 'wp_author_display_name' => $author->display_name,
2877                                 'date_created_gmt' => new IXR_Date($post_date_gmt),
2878                                 'post_status' => $entry['post_status'],
2879                                 'custom_fields' => $this->get_custom_fields($entry['ID']),
2880                                 'wp_post_format' => $post_format
2881                         );
2882
2883                 }
2884
2885                 $recent_posts = array();
2886                 for ( $j=0; $j<count($struct); $j++ ) {
2887                         array_push($recent_posts, $struct[$j]);
2888                 }
2889
2890                 return $recent_posts;
2891         }
2892
2893         /**
2894          * Retrieve the list of categories on a given blog.
2895          *
2896          * @since 1.5.0
2897          *
2898          * @param array $args Method parameters.
2899          * @return array
2900          */
2901         function mw_getCategories($args) {
2902
2903                 $this->escape($args);
2904
2905                 $blog_ID     = (int) $args[0];
2906                 $username  = $args[1];
2907                 $password   = $args[2];
2908
2909                 if ( !$user = $this->login($username, $password) )
2910                         return $this->error;
2911
2912                 if ( !current_user_can( 'edit_posts' ) )
2913                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
2914
2915                 do_action('xmlrpc_call', 'metaWeblog.getCategories');
2916
2917                 $categories_struct = array();
2918
2919                 if ( $cats = get_categories(array('get' => 'all')) ) {
2920                         foreach ( $cats as $cat ) {
2921                                 $struct['categoryId'] = $cat->term_id;
2922                                 $struct['parentId'] = $cat->parent;
2923                                 $struct['description'] = $cat->name;
2924                                 $struct['categoryDescription'] = $cat->description;
2925                                 $struct['categoryName'] = $cat->name;
2926                                 $struct['htmlUrl'] = esc_html(get_category_link($cat->term_id));
2927                                 $struct['rssUrl'] = esc_html(get_category_feed_link($cat->term_id, 'rss2'));
2928
2929                                 $categories_struct[] = $struct;
2930                         }
2931                 }
2932
2933                 return $categories_struct;
2934         }
2935
2936         /**
2937          * Uploads a file, following your settings.
2938          *
2939          * Adapted from a patch by Johann Richard.
2940          *
2941          * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
2942          *
2943          * @since 1.5.0
2944          *
2945          * @param array $args Method parameters.
2946          * @return array
2947          */
2948         function mw_newMediaObject($args) {
2949                 global $wpdb;
2950
2951                 $blog_ID     = (int) $args[0];
2952                 $username  = $wpdb->escape($args[1]);
2953                 $password   = $wpdb->escape($args[2]);
2954                 $data        = $args[3];
2955
2956                 $name = sanitize_file_name( $data['name'] );
2957                 $type = $data['type'];
2958                 $bits = $data['bits'];
2959
2960                 logIO('O', '(MW) Received '.strlen($bits).' bytes');
2961
2962                 if ( !$user = $this->login($username, $password) )
2963                         return $this->error;
2964
2965                 do_action('xmlrpc_call', 'metaWeblog.newMediaObject');
2966
2967                 if ( !current_user_can('upload_files') ) {
2968                         logIO('O', '(MW) User does not have upload_files capability');
2969                         $this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
2970                         return $this->error;
2971                 }
2972
2973                 if ( $upload_err = apply_filters( "pre_upload_error", false ) )
2974                         return new IXR_Error(500, $upload_err);
2975
2976                 if ( !empty($data["overwrite"]) && ($data["overwrite"] == true) ) {
2977                         // Get postmeta info on the object.
2978                         $old_file = $wpdb->get_row("
2979                                 SELECT ID
2980                                 FROM {$wpdb->posts}
2981                                 WHERE post_title = '{$name}'
2982                                         AND post_type = 'attachment'
2983                         ");
2984
2985                         // Delete previous file.
2986                         wp_delete_attachment($old_file->ID);
2987
2988                         // Make sure the new name is different by pre-pending the
2989                         // previous post id.
2990                         $filename = preg_replace("/^wpid\d+-/", "", $name);
2991                         $name = "wpid{$old_file->ID}-{$filename}";
2992                 }
2993
2994                 $upload = wp_upload_bits($name, NULL, $bits);
2995                 if ( ! empty($upload['error']) ) {
2996                         $errorString = sprintf(__('Could not write file %1$s (%2$s)'), $name, $upload['error']);
2997                         logIO('O', '(MW) ' . $errorString);
2998                         return new IXR_Error(500, $errorString);
2999                 }
3000                 // Construct the attachment array
3001                 // attach to post_id 0
3002                 $post_id = 0;
3003                 $attachment = array(
3004                         'post_title' => $name,
3005                         'post_content' => '',
3006                         'post_type' => 'attachment',
3007                         'post_parent' => $post_id,
3008                         'post_mime_type' => $type,
3009                         'guid' => $upload[ 'url' ]
3010                 );
3011
3012                 // Save the data
3013                 $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
3014                 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
3015
3016                 return apply_filters( 'wp_handle_upload', array( 'file' => $name, 'url' => $upload[ 'url' ], 'type' => $type ), 'upload' );
3017         }
3018
3019         /* MovableType API functions
3020          * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
3021          */
3022
3023         /**
3024          * Retrieve the post titles of recent posts.
3025          *
3026          * @since 1.5.0
3027          *
3028          * @param array $args Method parameters.
3029          * @return array
3030          */
3031         function mt_getRecentPostTitles($args) {
3032
3033                 $this->escape($args);
3034
3035                 $blog_ID     = (int) $args[0];
3036                 $username  = $args[1];
3037                 $password   = $args[2];
3038                 if ( isset( $args[3] ) )
3039                         $query = array( 'numberposts' => absint( $args[3] ) );
3040                 else
3041                         $query = array();
3042
3043                 if ( !$user = $this->login($username, $password) )
3044                         return $this->error;
3045
3046                 do_action('xmlrpc_call', 'mt.getRecentPostTitles');
3047
3048                 $posts_list = wp_get_recent_posts( $query );
3049
3050                 if ( !$posts_list ) {
3051                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
3052                         return $this->error;
3053                 }
3054
3055                 foreach ($posts_list as $entry) {
3056                         if ( !current_user_can( 'edit_post', $entry['ID'] ) )
3057                                 continue;
3058
3059                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
3060                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt'], false);
3061
3062                         // For drafts use the GMT version of the date
3063                         if ( $entry['post_status'] == 'draft' )
3064                                 $post_date_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $entry['post_date'] ), 'Ymd\TH:i:s' );
3065
3066                         $struct[] = array(
3067                                 'dateCreated' => new IXR_Date($post_date),
3068                                 'userid' => $entry['post_author'],
3069                                 'postid' => (string) $entry['ID'],
3070                                 'title' => $entry['post_title'],
3071                                 'date_created_gmt' => new IXR_Date($post_date_gmt)
3072                         );
3073
3074                 }
3075
3076                 $recent_posts = array();
3077                 for ( $j=0; $j<count($struct); $j++ ) {
3078                         array_push($recent_posts, $struct[$j]);
3079                 }
3080
3081                 return $recent_posts;
3082         }
3083
3084         /**
3085          * Retrieve list of all categories on blog.
3086          *
3087          * @since 1.5.0
3088          *
3089          * @param array $args Method parameters.
3090          * @return array
3091          */
3092         function mt_getCategoryList($args) {
3093
3094                 $this->escape($args);
3095
3096                 $blog_ID     = (int) $args[0];
3097                 $username  = $args[1];
3098                 $password   = $args[2];
3099
3100                 if ( !$user = $this->login($username, $password) )
3101                         return $this->error;
3102
3103                 if ( !current_user_can( 'edit_posts' ) )
3104                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
3105
3106                 do_action('xmlrpc_call', 'mt.getCategoryList');
3107
3108                 $categories_struct = array();
3109
3110                 if ( $cats = get_categories(array('hide_empty' => 0, 'hierarchical' => 0)) ) {
3111                         foreach ( $cats as $cat ) {
3112                                 $struct['categoryId'] = $cat->term_id;
3113                                 $struct['categoryName'] = $cat->name;
3114
3115                                 $categories_struct[] = $struct;
3116                         }
3117                 }
3118
3119                 return $categories_struct;
3120         }
3121
3122         /**
3123          * Retrieve post categories.
3124          *
3125          * @since 1.5.0
3126          *
3127          * @param array $args Method parameters.
3128          * @return array
3129          */
3130         function mt_getPostCategories($args) {
3131
3132                 $this->escape($args);
3133
3134                 $post_ID     = (int) $args[0];
3135                 $username  = $args[1];
3136                 $password   = $args[2];
3137
3138                 if ( !$user = $this->login($username, $password) )
3139                         return $this->error;
3140
3141                 if ( !current_user_can( 'edit_post', $post_ID ) )
3142                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
3143
3144                 do_action('xmlrpc_call', 'mt.getPostCategories');
3145
3146                 $categories = array();
3147                 $catids = wp_get_post_categories(intval($post_ID));
3148                 // first listed category will be the primary category
3149                 $isPrimary = true;
3150                 foreach ( $catids as $catid ) {
3151                         $categories[] = array(
3152                                 'categoryName' => get_cat_name($catid),
3153                                 'categoryId' => (string) $catid,
3154                                 'isPrimary' => $isPrimary
3155                         );
3156                         $isPrimary = false;
3157                 }
3158
3159                 return $categories;
3160         }
3161
3162         /**
3163          * Sets categories for a post.
3164          *
3165          * @since 1.5.0
3166          *
3167          * @param array $args Method parameters.
3168          * @return bool True on success.
3169          */
3170         function mt_setPostCategories($args) {
3171
3172                 $this->escape($args);
3173
3174                 $post_ID     = (int) $args[0];
3175                 $username  = $args[1];
3176                 $password   = $args[2];
3177                 $categories  = $args[3];
3178
3179                 if ( !$user = $this->login($username, $password) )
3180                         return $this->error;
3181
3182                 do_action('xmlrpc_call', 'mt.setPostCategories');
3183
3184                 if ( !current_user_can('edit_post', $post_ID) )
3185                         return new IXR_Error(401, __('Sorry, you cannot edit this post.'));
3186
3187                 foreach ( $categories as $cat ) {
3188                         $catids[] = $cat['categoryId'];
3189                 }
3190
3191                 wp_set_post_categories($post_ID, $catids);
3192
3193                 return true;
3194         }
3195
3196         /**
3197          * Retrieve an array of methods supported by this server.
3198          *
3199          * @since 1.5.0
3200          *
3201          * @param array $args Method parameters.
3202          * @return array
3203          */
3204         function mt_supportedMethods($args) {
3205
3206                 do_action('xmlrpc_call', 'mt.supportedMethods');
3207
3208                 $supported_methods = array();
3209                 foreach ( $this->methods as $key => $value ) {
3210                         $supported_methods[] = $key;
3211                 }
3212
3213                 return $supported_methods;
3214         }
3215
3216         /**
3217          * Retrieve an empty array because we don't support per-post text filters.
3218          *
3219          * @since 1.5.0
3220          *
3221          * @param array $args Method parameters.
3222          */
3223         function mt_supportedTextFilters($args) {
3224                 do_action('xmlrpc_call', 'mt.supportedTextFilters');
3225                 return apply_filters('xmlrpc_text_filters', array());
3226         }
3227
3228         /**
3229          * Retrieve trackbacks sent to a given post.
3230          *
3231          * @since 1.5.0
3232          *
3233          * @param array $args Method parameters.
3234          * @return mixed
3235          */
3236         function mt_getTrackbackPings($args) {
3237
3238                 global $wpdb;
3239
3240                 $post_ID = intval($args);
3241
3242                 do_action('xmlrpc_call', 'mt.getTrackbackPings');
3243
3244                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
3245
3246                 if ( !$actual_post )
3247                         return new IXR_Error(404, __('Sorry, no such post.'));
3248
3249                 $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", $post_ID) );
3250
3251                 if ( !$comments )
3252                         return array();
3253
3254                 $trackback_pings = array();
3255                 foreach ( $comments as $comment ) {
3256                         if ( 'trackback' == $comment->comment_type ) {
3257                                 $content = $comment->comment_content;
3258                                 $title = substr($content, 8, (strpos($content, '</strong>') - 8));
3259                                 $trackback_pings[] = array(
3260                                         'pingTitle' => $title,
3261                                         'pingURL'   => $comment->comment_author_url,
3262                                         'pingIP'    => $comment->comment_author_IP
3263                                 );
3264                         }
3265                 }
3266
3267                 return $trackback_pings;
3268         }
3269
3270         /**
3271          * Sets a post's publish status to 'publish'.
3272          *
3273          * @since 1.5.0
3274          *
3275          * @param array $args Method parameters.
3276          * @return int
3277          */
3278         function mt_publishPost($args) {
3279
3280                 $this->escape($args);
3281
3282                 $post_ID     = (int) $args[0];
3283                 $username  = $args[1];
3284                 $password   = $args[2];
3285
3286                 if ( !$user = $this->login($username, $password) )
3287                         return $this->error;
3288
3289                 do_action('xmlrpc_call', 'mt.publishPost');
3290
3291                 if ( !current_user_can('publish_posts') || !current_user_can('edit_post', $post_ID) )
3292                         return new IXR_Error(401, __('Sorry, you cannot publish this post.'));
3293
3294                 $postdata = wp_get_single_post($post_ID,ARRAY_A);
3295
3296                 $postdata['post_status'] = 'publish';
3297
3298                 // retain old cats
3299                 $cats = wp_get_post_categories($post_ID);
3300                 $postdata['post_category'] = $cats;
3301                 $this->escape($postdata);
3302
3303                 $result = wp_update_post($postdata);
3304
3305                 return $result;
3306         }
3307
3308         /* PingBack functions
3309          * specs on www.hixie.ch/specs/pingback/pingback
3310          */
3311
3312         /**
3313          * Retrieves a pingback and registers it.
3314          *
3315          * @since 1.5.0
3316          *
3317          * @param array $args Method parameters.
3318          * @return array
3319          */
3320         function pingback_ping($args) {
3321                 global $wpdb;
3322
3323                 do_action('xmlrpc_call', 'pingback.ping');
3324
3325                 $this->escape($args);
3326
3327                 $pagelinkedfrom = $args[0];
3328                 $pagelinkedto   = $args[1];
3329
3330                 $title = '';
3331
3332                 $pagelinkedfrom = str_replace('&amp;', '&', $pagelinkedfrom);
3333                 $pagelinkedto = str_replace('&amp;', '&', $pagelinkedto);
3334                 $pagelinkedto = str_replace('&', '&amp;', $pagelinkedto);
3335
3336                 // Check if the page linked to is in our site
3337                 $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
3338                 if ( !$pos1 )
3339                         return new IXR_Error(0, __('Is there no link to us?'));
3340
3341                 // let's find which post is linked to
3342                 // FIXME: does url_to_postid() cover all these cases already?
3343                 //        if so, then let's use it and drop the old code.
3344                 $urltest = parse_url($pagelinkedto);
3345                 if ( $post_ID = url_to_postid($pagelinkedto) ) {
3346                         $way = 'url_to_postid()';
3347                 } elseif ( preg_match('#p/[0-9]{1,}#', $urltest['path'], $match) ) {
3348                         // the path defines the post_ID (archives/p/XXXX)
3349                         $blah = explode('/', $match[0]);
3350                         $post_ID = (int) $blah[1];
3351                         $way = 'from the path';
3352                 } elseif ( preg_match('#p=[0-9]{1,}#', $urltest['query'], $match) ) {
3353                         // the querystring defines the post_ID (?p=XXXX)
3354                         $blah = explode('=', $match[0]);
3355                         $post_ID = (int) $blah[1];
3356                         $way = 'from the querystring';
3357                 } elseif ( isset($urltest['fragment']) ) {
3358                         // an #anchor is there, it's either...
3359                         if ( intval($urltest['fragment']) ) {
3360                                 // ...an integer #XXXX (simpliest case)
3361                                 $post_ID = (int) $urltest['fragment'];
3362                                 $way = 'from the fragment (numeric)';
3363                         } elseif ( preg_match('/post-[0-9]+/',$urltest['fragment']) ) {
3364                                 // ...a post id in the form 'post-###'
3365                                 $post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
3366                                 $way = 'from the fragment (post-###)';
3367                         } elseif ( is_string($urltest['fragment']) ) {
3368                                 // ...or a string #title, a little more complicated
3369                                 $title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
3370                                 $sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", like_escape( $title ) );
3371                                 if (! ($post_ID = $wpdb->get_var($sql)) ) {
3372                                         // returning unknown error '0' is better than die()ing
3373                                         return new IXR_Error(0, '');
3374                                 }
3375                                 $way = 'from the fragment (title)';
3376                         }
3377                 } else {
3378                         // TODO: Attempt to extract a post ID from the given URL
3379                         return new IXR_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.'));
3380                 }
3381                 $post_ID = (int) $post_ID;
3382
3383
3384                 logIO("O","(PB) URL='$pagelinkedto' ID='$post_ID' Found='$way'");
3385
3386                 $post = get_post($post_ID);
3387
3388                 if ( !$post ) // Post_ID not found
3389                         return new IXR_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.'));
3390
3391                 if ( $post_ID == url_to_postid($pagelinkedfrom) )
3392                         return new IXR_Error(0, __('The source URL and the target URL cannot both point to the same resource.'));
3393
3394                 // Check if pings are on
3395                 if ( !pings_open($post) )
3396                         return new IXR_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.'));
3397
3398                 // Let's check that the remote site didn't already pingback this entry
3399                 if ( $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) ) )
3400                         return new IXR_Error( 48, __( 'The pingback has already been registered.' ) );
3401
3402                 // very stupid, but gives time to the 'from' server to publish !
3403                 sleep(1);
3404
3405                 // Let's check the remote site
3406                 $linea = wp_remote_fopen( $pagelinkedfrom );
3407                 if ( !$linea )
3408                         return new IXR_Error(16, __('The source URL does not exist.'));
3409
3410                 $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto);
3411
3412                 // Work around bug in strip_tags():
3413                 $linea = str_replace('<!DOC', '<DOC', $linea);
3414                 $linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces
3415                 $linea = preg_replace( "/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );
3416
3417                 preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);
3418                 $title = $matchtitle[1];
3419                 if ( empty( $title ) )
3420                         return new IXR_Error(32, __('We cannot find a title on that page.'));
3421
3422                 $linea = strip_tags( $linea, '<a>' ); // just keep the tag we need
3423
3424                 $p = explode( "\n\n", $linea );
3425
3426                 $preg_target = preg_quote($pagelinkedto, '|');
3427
3428                 foreach ( $p as $para ) {
3429                         if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
3430                                 preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);
3431
3432                                 // If the URL isn't in a link context, keep looking
3433                                 if ( empty($context) )
3434                                         continue;
3435
3436                                 // We're going to use this fake tag to mark the context in a bit
3437                                 // the marker is needed in case the link text appears more than once in the paragraph
3438                                 $excerpt = preg_replace('|\</?wpcontext\>|', '', $para);
3439
3440                                 // prevent really long link text
3441                                 if ( strlen($context[1]) > 100 )
3442                                         $context[1] = substr($context[1], 0, 100) . '...';
3443
3444                                 $marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
3445                                 $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
3446                                 $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
3447                                 $excerpt = trim($excerpt);
3448                                 $preg_marker = preg_quote($marker, '|');
3449                                 $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
3450                                 $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
3451                                 break;
3452                         }
3453                 }
3454
3455                 if ( empty($context) ) // Link to target not found
3456                         return new IXR_Error(17, __('The source URL does not contain a link to the target URL, and so cannot be used as a source.'));
3457
3458                 $pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
3459
3460                 $context = '[...] ' . esc_html( $excerpt ) . ' [...]';
3461                 $pagelinkedfrom = $wpdb->escape( $pagelinkedfrom );
3462
3463                 $comment_post_ID = (int) $post_ID;
3464                 $comment_author = $title;
3465                 $comment_author_email = '';
3466                 $this->escape($comment_author);
3467                 $comment_author_url = $pagelinkedfrom;
3468                 $comment_content = $context;
3469                 $this->escape($comment_content);
3470                 $comment_type = 'pingback';
3471
3472                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_content', 'comment_type');
3473
3474                 $comment_ID = wp_new_comment($commentdata);
3475                 do_action('pingback_post', $comment_ID);
3476
3477                 return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
3478         }
3479
3480         /**
3481          * Retrieve array of URLs that pingbacked the given URL.
3482          *
3483          * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
3484          *
3485          * @since 1.5.0
3486          *
3487          * @param array $args Method parameters.
3488          * @return array
3489          */
3490         function pingback_extensions_getPingbacks($args) {
3491
3492                 global $wpdb;
3493
3494                 do_action('xmlrpc_call', 'pingback.extensions.getPingbacks');
3495
3496                 $this->escape($args);
3497
3498                 $url = $args;
3499
3500                 $post_ID = url_to_postid($url);
3501                 if ( !$post_ID ) {
3502                         // We aren't sure that the resource is available and/or pingback enabled
3503                         return new IXR_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.'));
3504                 }
3505
3506                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
3507
3508                 if ( !$actual_post ) {
3509                         // No such post = resource not found
3510                         return new IXR_Error(32, __('The specified target URL does not exist.'));
3511                 }
3512
3513                 $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", $post_ID) );
3514
3515                 if ( !$comments )
3516                         return array();
3517
3518                 $pingbacks = array();
3519                 foreach ( $comments as $comment ) {
3520                         if ( 'pingback' == $comment->comment_type )
3521                                 $pingbacks[] = $comment->comment_author_url;
3522                 }
3523
3524                 return $pingbacks;
3525         }
3526 }
3527 ?>