xmlrpc.php

   1 <?php
   2
   3 define('XMLRPC_REQUEST', true);
   4
   5 // Some browser-embedded clients send cookies. We don't want them.
   6 $_COOKIE = array();
   7
   8 // A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
   9 // but we can do it ourself.
  10 if ( !isset( $HTTP_RAW_POST_DATA ) ) {
  11         $HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
  12 }
  13
  14 # fix for mozBlog and other cases where '<?xml' isn't on the very first line
  15 if ( isset($HTTP_RAW_POST_DATA) )
  16         $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
  17
  18 include('./wp-config.php');
  19
  20 if ( isset( $_GET['rsd'] ) ) { // http://archipelago.phrasewise.com/rsd
  21 header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
  22
  23 ?>
  24 <?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
  25 <rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
  26   <service>
  27     <engineName>WordPress</engineName>
  28     <engineLink>http://wordpress.org/</engineLink>
  29     <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
  30     <apis>
  31       <api name="WordPress" blogID="1" preferred="true" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
  32       <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
  33       <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
  34       <api name="Blogger" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
  35     </apis>
  36   </service>
  37 </rsd>
  38 <?php
  39 exit;
  40 }
  41
  42 include_once(ABSPATH . 'wp-admin/includes/admin.php');
  43 include_once(ABSPATH . WPINC . '/class-IXR.php');
  44
  45 // Turn off all warnings and errors.
  46 // error_reporting(0);
  47
  48 $post_default_title = ""; // posts submitted via the xmlrpc interface get that title
  49
  50 $xmlrpc_logging = 0;
  51
  52 function logIO($io,$msg) {
  53         global $xmlrpc_logging;
  54         if ($xmlrpc_logging) {
  55                 $fp = fopen("../xmlrpc.log","a+");
  56                 $date = gmdate("Y-m-d H:i:s ");
  57                 $iot = ($io == "I") ? " Input: " : " Output: ";
  58                 fwrite($fp, "\n\n".$date.$iot.$msg);
  59                 fclose($fp);
  60         }
  61         return true;
  62         }
  63
  64 function starify($string) {
  65         $i = strlen($string);
  66         return str_repeat('*', $i);
  67 }
  68
  69 if ( isset($HTTP_RAW_POST_DATA) )
  70   logIO("I", $HTTP_RAW_POST_DATA);
  71
  72
  73 class wp_xmlrpc_server extends IXR_Server {
  74
  75         function wp_xmlrpc_server() {
  76                 $this->methods = array(
  77                         // WordPress API
  78                         'wp.getPage'                    => 'this:wp_getPage',
  79                         'wp.getPages'                   => 'this:wp_getPages',
  80                         'wp.newPage'                    => 'this:wp_newPage',
  81                         'wp.deletePage'                 => 'this:wp_deletePage',
  82                         'wp.editPage'                   => 'this:wp_editPage',
  83                         'wp.getPageList'                => 'this:wp_getPageList',
  84                         'wp.getAuthors'                 => 'this:wp_getAuthors',
  85                         'wp.getCategories'              => 'this:mw_getCategories',             // Alias
  86                         'wp.newCategory'                => 'this:wp_newCategory',
  87                         'wp.suggestCategories'  => 'this:wp_suggestCategories',
  88                         'wp.uploadFile'                 => 'this:mw_newMediaObject',    // Alias
  89
  90                         // Blogger API
  91                         'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
  92                         'blogger.getUserInfo' => 'this:blogger_getUserInfo',
  93                         'blogger.getPost' => 'this:blogger_getPost',
  94                         'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
  95                         'blogger.getTemplate' => 'this:blogger_getTemplate',
  96                         'blogger.setTemplate' => 'this:blogger_setTemplate',
  97                         'blogger.newPost' => 'this:blogger_newPost',
  98                         'blogger.editPost' => 'this:blogger_editPost',
  99                         'blogger.deletePost' => 'this:blogger_deletePost',
 100
 101                         // MetaWeblog API (with MT extensions to structs)
 102                         'metaWeblog.newPost' => 'this:mw_newPost',
 103                         'metaWeblog.editPost' => 'this:mw_editPost',
 104                         'metaWeblog.getPost' => 'this:mw_getPost',
 105                         'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
 106                         'metaWeblog.getCategories' => 'this:mw_getCategories',
 107                         'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',
 108
 109                         // MetaWeblog API aliases for Blogger API
 110                         // see http://www.xmlrpc.com/stories/storyReader$2460
 111                         'metaWeblog.deletePost' => 'this:blogger_deletePost',
 112                         'metaWeblog.getTemplate' => 'this:blogger_getTemplate',
 113                         'metaWeblog.setTemplate' => 'this:blogger_setTemplate',
 114                         'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',
 115
 116                         // MovableType API
 117                         'mt.getCategoryList' => 'this:mt_getCategoryList',
 118                         'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
 119                         'mt.getPostCategories' => 'this:mt_getPostCategories',
 120                         'mt.setPostCategories' => 'this:mt_setPostCategories',
 121                         'mt.supportedMethods' => 'this:mt_supportedMethods',
 122                         'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
 123                         'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
 124                         'mt.publishPost' => 'this:mt_publishPost',
 125
 126                         // PingBack
 127                         'pingback.ping' => 'this:pingback_ping',
 128                         'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',
 129
 130                         'demo.sayHello' => 'this:sayHello',
 131                         'demo.addTwoNumbers' => 'this:addTwoNumbers'
 132                 );
 133                 $this->methods = apply_filters('xmlrpc_methods', $this->methods);
 134                 $this->IXR_Server($this->methods);
 135         }
 136
 137         function sayHello($args) {
 138                 return 'Hello!';
 139         }
 140
 141         function addTwoNumbers($args) {
 142                 $number1 = $args[0];
 143                 $number2 = $args[1];
 144                 return $number1 + $number2;
 145         }
 146
 147         function login_pass_ok($user_login, $user_pass) {
 148                 if (!user_pass_ok($user_login, $user_pass)) {
 149                         $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
 150                         return false;
 151                 }
 152                 return true;
 153         }
 154
 155         function escape(&$array) {
 156                 global $wpdb;
 157
 158                 if(!is_array($array)) {
 159                         return($wpdb->escape($array));
 160                 }
 161                 else {
 162                         foreach ( (array) $array as $k => $v ) {
 163                                 if (is_array($v)) {
 164                                         $this->escape($array[$k]);
 165                                 } else if (is_object($v)) {
 166                                         //skip
 167                                 } else {
 168                                         $array[$k] = $wpdb->escape($v);
 169                                 }
 170                         }
 171                 }
 172         }
 173
 174         /**
 175          * WordPress XML-RPC API
 176          * wp_getPage
 177          */
 178         function wp_getPage($args) {
 179                 $this->escape($args);
 180
 181                 $blog_id        = (int) $args[0];
 182                 $page_id        = (int) $args[1];
 183                 $username       = $args[2];
 184                 $password       = $args[3];
 185
 186                 if(!$this->login_pass_ok($username, $password)) {
 187                         return($this->error);
 188                 }
 189
 190                 set_current_user( 0, $username );
 191                 if( !current_user_can( 'edit_page', $page_id ) )
 192                         return new IXR_Error( 401, __( 'Sorry, you can not edit this page.' ) );
 193
 194                 do_action('xmlrpc_call', 'wp.getPage');
 195
 196                 // Lookup page info.
 197                 $page = get_page($page_id);
 198
 199                 // If we found the page then format the data.
 200                 if($page->ID && ($page->post_type == "page")) {
 201                         // Get all of the page content and link.
 202                         $full_page = get_extended($page->post_content);
 203                         $link = post_permalink($page->ID);
 204
 205                         // Get info the page parent if there is one.
 206                         $parent_title = "";
 207                         if(!empty($page->post_parent)) {
 208                                 $parent = get_page($page->post_parent);
 209                                 $parent_title = $parent->post_title;
 210                         }
 211
 212                         // Determine comment and ping settings.
 213                         $allow_comments = ("open" == $page->comment_status) ? 1 : 0;
 214                         $allow_pings = ("open" == $page->ping_status) ? 1 : 0;
 215
 216                         // Format page date.
 217                         $page_date = mysql2date("Ymd\TH:i:s", $page->post_date);
 218                         $page_date_gmt = mysql2date("Ymd\TH:i:s", $page->post_date_gmt);
 219
 220                         // Pull the categories info together.
 221                         $categories = array();
 222                         foreach(wp_get_post_categories($page->ID) as $cat_id) {
 223                                 $categories[] = get_cat_name($cat_id);
 224                         }
 225
 226                         // Get the author info.
 227                         $author = get_userdata($page->post_author);
 228
 229                         $page_struct = array(
 230                                 "dateCreated"                   => new IXR_Date($page_date),
 231                                 "userid"                                => $page->post_author,
 232                                 "page_id"                               => $page->ID,
 233                                 "page_status"                   => $page->post_status,
 234                                 "description"                   => $full_page["main"],
 235                                 "title"                                 => $page->post_title,
 236                                 "link"                                  => $link,
 237                                 "permaLink"                             => $link,
 238                                 "categories"                    => $categories,
 239                                 "excerpt"                               => $page->post_excerpt,
 240                                 "text_more"                             => $full_page["extended"],
 241                                 "mt_allow_comments"             => $allow_comments,
 242                                 "mt_allow_pings"                => $allow_pings,
 243                                 "wp_slug"                               => $page->post_name,
 244                                 "wp_password"                   => $page->post_password,
 245                                 "wp_author"                             => $author->display_name,
 246                                 "wp_page_parent_id"             => $page->post_parent,
 247                                 "wp_page_parent_title"  => $parent_title,
 248                                 "wp_page_order"                 => $page->menu_order,
 249                                 "wp_author_id"                  => $author->ID,
 250                                 "wp_author_display_name"        => $author->display_name,
 251                                 "date_created_gmt"              => new IXR_Date($page_date_gmt)
 252                         );
 253
 254                         return($page_struct);
 255                 }
 256                 // If the page doesn't exist indicate that.
 257                 else {
 258                         return(new IXR_Error(404, __("Sorry, no such page.")));
 259                 }
 260         }
 261
 262         /**
 263          * WordPress XML-RPC API
 264          * wp_getPages
 265          */
 266         function wp_getPages($args) {
 267                 $this->escape($args);
 268
 269                 $blog_id        = (int) $args[0];
 270                 $username       = $args[1];
 271                 $password       = $args[2];
 272
 273                 if(!$this->login_pass_ok($username, $password)) {
 274                         return($this->error);
 275                 }
 276
 277                 set_current_user( 0, $username );
 278                 if( !current_user_can( 'edit_pages' ) )
 279                         return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
 280
 281                 do_action('xmlrpc_call', 'wp.getPages');
 282
 283                 // Lookup info on pages.
 284                 $pages = get_pages();
 285                 $num_pages = count($pages);
 286
 287                 // If we have pages, put together their info.
 288                 if($num_pages >= 1) {
 289                         $pages_struct = array();
 290
 291                         for($i = 0; $i < $num_pages; $i++) {
 292                                 $page = wp_xmlrpc_server::wp_getPage(array(
 293                                         $blog_id, $pages[$i]->ID, $username, $password
 294                                 ));
 295                                 $pages_struct[] = $page;
 296                         }
 297
 298                         return($pages_struct);
 299                 }
 300                 // If no pages were found return an error.
 301                 else {
 302                         return(array());
 303                 }
 304         }
 305
 306         /**
 307          * WordPress XML-RPC API
 308          * wp_newPage
 309          */
 310         function wp_newPage($args) {
 311                 // Items not escaped here will be escaped in newPost.
 312                 $username       = $this->escape($args[1]);
 313                 $password       = $this->escape($args[2]);
 314                 $page           = $args[3];
 315                 $publish        = $args[4];
 316
 317                 if(!$this->login_pass_ok($username, $password)) {
 318                         return($this->error);
 319                 }
 320
 321                 // Set the user context and check if they are allowed
 322                 // to add new pages.
 323                 $user = set_current_user(0, $username);
 324                 if(!current_user_can("publish_pages")) {
 325                         return(new IXR_Error(401, __("Sorry, you can not add new pages.")));
 326                 }
 327
 328                 // Mark this as content for a page.
 329                 $args[3]["post_type"] = "page";
 330
 331                 // Let mw_newPost do all of the heavy lifting.
 332                 return($this->mw_newPost($args));
 333         }
 334
 335         /**
 336          * WordPress XML-RPC API
 337          * wp_deletePage
 338          */
 339         function wp_deletePage($args) {
 340                 $this->escape($args);
 341
 342                 $blog_id        = (int) $args[0];
 343                 $username       = $args[1];
 344                 $password       = $args[2];
 345                 $page_id        = (int) $args[3];
 346
 347                 if(!$this->login_pass_ok($username, $password)) {
 348                         return($this->error);
 349                 }
 350
 351                 // Get the current page based on the page_id and
 352                 // make sure it is a page and not a post.
 353                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
 354                 if(
 355                         !$actual_page
 356                         || ($actual_page["post_type"] != "page")
 357                 ) {
 358                         return(new IXR_Error(404, __("Sorry, no such page.")));
 359                 }
 360
 361                 // Set the user context and make sure they can delete pages.
 362                 set_current_user(0, $username);
 363                 if(!current_user_can("delete_page", $page_id)) {
 364                         return(new IXR_Error(401, __("Sorry, you do not have the right to delete this page.")));
 365                 }
 366
 367                 // Attempt to delete the page.
 368                 $result = wp_delete_post($page_id);
 369                 if(!$result) {
 370                         return(new IXR_Error(500, __("Failed to delete the page.")));
 371                 }
 372
 373                 return(true);
 374         }
 375
 376         /**
 377          * WordPress XML-RPC API
 378          * wp_editPage
 379          */
 380         function wp_editPage($args) {
 381                 // Items not escaped here will be escaped in editPost.
 382                 $blog_id        = (int) $args[0];
 383                 $page_id        = (int) $this->escape($args[1]);
 384                 $username       = $this->escape($args[2]);
 385                 $password       = $this->escape($args[3]);
 386                 $content        = $args[4];
 387                 $publish        = $args[5];
 388
 389                 if(!$this->login_pass_ok($username, $password)) {
 390                         return($this->error);
 391                 }
 392
 393                 // Get the page data and make sure it is a page.
 394                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
 395                 if(
 396                         !$actual_page
 397                         || ($actual_page["post_type"] != "page")
 398                 ) {
 399                         return(new IXR_Error(404, __("Sorry, no such page.")));
 400                 }
 401
 402                 // Set the user context and make sure they are allowed to edit pages.
 403                 set_current_user(0, $username);
 404                 if(!current_user_can("edit_page", $page_id)) {
 405                         return(new IXR_Error(401, __("Sorry, you do not have the right to edit this page.")));
 406                 }
 407
 408                 // Mark this as content for a page.
 409                 $content["post_type"] = "page";
 410
 411                 // Arrange args in the way mw_editPost understands.
 412                 $args = array(
 413                         $page_id,
 414                         $username,
 415                         $password,
 416                         $content,
 417                         $publish
 418                 );
 419
 420                 // Let mw_editPost do all of the heavy lifting.
 421                 return($this->mw_editPost($args));
 422         }
 423
 424         /**
 425          * WordPress XML-RPC API
 426          * wp_getPageList
 427          */
 428         function wp_getPageList($args) {
 429                 global $wpdb;
 430
 431                 $this->escape($args);
 432
 433                 $blog_id                                = (int) $args[0];
 434                 $username                               = $args[1];
 435                 $password                               = $args[2];
 436
 437                 if(!$this->login_pass_ok($username, $password)) {
 438                         return($this->error);
 439                 }
 440
 441                 set_current_user( 0, $username );
 442                 if( !current_user_can( 'edit_pages' ) )
 443                         return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
 444
 445                 do_action('xmlrpc_call', 'wp.getPageList');
 446
 447                 // Get list of pages ids and titles
 448                 $page_list = $wpdb->get_results("
 449                         SELECT ID page_id,
 450                                 post_title page_title,
 451                                 post_parent page_parent_id,
 452                                 post_date_gmt,
 453                                 post_date
 454                         FROM {$wpdb->posts}
 455                         WHERE post_type = 'page'
 456                         ORDER BY ID
 457                 ");
 458
 459                 // The date needs to be formated properly.
 460                 $num_pages = count($page_list);
 461                 for($i = 0; $i < $num_pages; $i++) {
 462                         $post_date = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date);
 463                         $post_date_gmt = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date_gmt);
 464
 465                         $page_list[$i]->dateCreated = new IXR_Date($post_date);
 466                         $page_list[$i]->date_created_gmt = new IXR_Date($post_date_gmt);
 467
 468                         unset($page_list[$i]->post_date_gmt);
 469                         unset($page_list[$i]->post_date);
 470                 }
 471
 472                 return($page_list);
 473         }
 474
 475         /**
 476          * WordPress XML-RPC API
 477          * wp_getAuthors
 478          */
 479         function wp_getAuthors($args) {
 480
 481                 $this->escape($args);
 482
 483                 $blog_id        = (int) $args[0];
 484                 $username       = $args[1];
 485                 $password       = $args[2];
 486
 487                 if(!$this->login_pass_ok($username, $password)) {
 488                         return($this->error);
 489                 }
 490
 491                 set_current_user(0, $username);
 492                 if(!current_user_can("edit_posts")) {
 493                         return(new IXR_Error(401, __("Sorry, you can not edit posts on this blog.")));
 494         }
 495
 496                 do_action('xmlrpc_call', 'wp.getAuthors');
 497
 498                 $authors = array();
 499                 foreach( (array) get_users_of_blog() as $row ) {
 500                         $authors[] = array(
 501                                 "user_id"       => $row->user_id,
 502                                 "user_login"    => $row->user_login,
 503                                 "display_name"  => $row->display_name
 504                         );
 505                 }
 506
 507                 return($authors);
 508         }
 509
 510         /**
 511          * WordPress XML-RPC API
 512          * wp_newCategory
 513          */
 514         function wp_newCategory($args) {
 515                 $this->escape($args);
 516
 517                 $blog_id                                = (int) $args[0];
 518                 $username                               = $args[1];
 519                 $password                               = $args[2];
 520                 $category                               = $args[3];
 521
 522                 if(!$this->login_pass_ok($username, $password)) {
 523                         return($this->error);
 524                 }
 525
 526                 // Set the user context and make sure they are
 527                 // allowed to add a category.
 528                 set_current_user(0, $username);
 529                 if(!current_user_can("manage_categories")) {
 530                         return(new IXR_Error(401, __("Sorry, you do not have the right to add a category.")));
 531                 }
 532
 533                 // If no slug was provided make it empty so that
 534                 // WordPress will generate one.
 535                 if(empty($category["slug"])) {
 536                         $category["slug"] = "";
 537                 }
 538
 539                 // If no parent_id was provided make it empty
 540                 // so that it will be a top level page (no parent).
 541                 if ( !isset($category["parent_id"]) )
 542                         $category["parent_id"] = "";
 543
 544                 // If no description was provided make it empty.
 545                 if(empty($category["description"])) {
 546                         $category["description"] = "";
 547                 }
 548
 549                 $new_category = array(
 550                         "cat_name"                              => $category["name"],
 551                         "category_nicename"             => $category["slug"],
 552                         "category_parent"               => $category["parent_id"],
 553                         "category_description"  => $category["description"]
 554                 );
 555
 556                 $cat_id = wp_insert_category($new_category);
 557                 if(!$cat_id) {
 558                         return(new IXR_Error(500, __("Sorry, the new category failed.")));
 559                 }
 560
 561                 return($cat_id);
 562         }
 563
 564         /**
 565          * WordPress XML-RPC API
 566          * wp_suggestCategories
 567          */
 568         function wp_suggestCategories($args) {
 569                 global $wpdb;
 570
 571                 $this->escape($args);
 572
 573                 $blog_id                                = (int) $args[0];
 574                 $username                               = $args[1];
 575                 $password                               = $args[2];
 576                 $category                               = $args[3];
 577                 $max_results                    = (int) $args[4];
 578
 579                 if(!$this->login_pass_ok($username, $password)) {
 580                         return($this->error);
 581                 }
 582
 583                 set_current_user(0, $username);
 584                 if( !current_user_can( 'edit_posts' ) )
 585                         return new IXR_Error( 401, __( 'Sorry, you must be able to publish to this blog in order to view categories.' ) );
 586
 587                 do_action('xmlrpc_call', 'wp.suggestCategories');
 588
 589                 $args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
 590                 $category_suggestions = get_categories($args);
 591
 592                 return($category_suggestions);
 593         }
 594
 595
 596         /* Blogger API functions
 597          * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
 598          */
 599
 600
 601         /* blogger.getUsersBlogs will make more sense once we support multiple blogs */
 602         function blogger_getUsersBlogs($args) {
 603
 604                 $this->escape($args);
 605
 606                 $user_login = $args[1];
 607                 $user_pass  = $args[2];
 608
 609                 if (!$this->login_pass_ok($user_login, $user_pass)) {
 610                         return $this->error;
 611                 }
 612
 613                 set_current_user(0, $user_login);
 614                 $is_admin = current_user_can('level_8');
 615
 616                 $struct = array(
 617                         'isAdmin'  => $is_admin,
 618                         'url'      => get_option('home') . '/',
 619                         'blogid'   => '1',
 620                         'blogName' => get_option('blogname')
 621                 );
 622
 623                 return array($struct);
 624         }
 625
 626
 627         /* blogger.getUsersInfo gives your client some info about you, so you don't have to */
 628         function blogger_getUserInfo($args) {
 629
 630                 $this->escape($args);
 631
 632                 $user_login = $args[1];
 633                 $user_pass  = $args[2];
 634
 635                 if (!$this->login_pass_ok($user_login, $user_pass)) {
 636                         return $this->error;
 637                 }
 638
 639                 set_current_user( 0, $user_login );
 640                 if( !current_user_can( 'edit_posts' ) )
 641                         return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this blog.' ) );
 642
 643                 do_action('xmlrpc_call', 'blogger.getUserInfo');
 644
 645                 $user_data = get_userdatabylogin($user_login);
 646
 647                 $struct = array(
 648                         'nickname'  => $user_data->nickname,
 649                         'userid'    => $user_data->ID,
 650                         'url'       => $user_data->user_url,
 651                         'lastname'  => $user_data->last_name,
 652                         'firstname' => $user_data->first_name
 653                 );
 654
 655                 return $struct;
 656         }
 657
 658
 659         /* blogger.getPost ...gets a post */
 660         function blogger_getPost($args) {
 661
 662                 $this->escape($args);
 663
 664                 $post_ID    = (int) $args[1];
 665                 $user_login = $args[2];
 666                 $user_pass  = $args[3];
 667
 668                 if (!$this->login_pass_ok($user_login, $user_pass)) {
 669                         return $this->error;
 670                 }
 671
 672                 set_current_user( 0, $user_login );
 673                 if( !current_user_can( 'edit_post', $post_ID ) )
 674                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
 675
 676                 do_action('xmlrpc_call', 'blogger.getPost');
 677
 678                 $post_data = wp_get_single_post($post_ID, ARRAY_A);
 679
 680                 $categories = implode(',', wp_get_post_categories($post_ID));
 681
 682                 $content  = '<title>'.stripslashes($post_data['post_title']).'</title>';
 683                 $content .= '<category>'.$categories.'</category>';
 684                 $content .= stripslashes($post_data['post_content']);
 685
 686                 $struct = array(
 687                         'userid'    => $post_data['post_author'],
 688                         'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'])),
 689                         'content'     => $content,
 690                         'postid'  => $post_data['ID']
 691                 );
 692
 693                 return $struct;
 694         }
 695
 696
 697         /* blogger.getRecentPosts ...gets recent posts */
 698         function blogger_getRecentPosts($args) {
 699
 700                 global $wpdb;
 701
 702                 $this->escape($args);
 703
 704                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
 705                 $user_login = $args[2];
 706                 $user_pass  = $args[3];
 707                 $num_posts  = $args[4];
 708
 709                 if (!$this->login_pass_ok($user_login, $user_pass)) {
 710                         return $this->error;
 711                 }
 712
 713                 $posts_list = wp_get_recent_posts($num_posts);
 714
 715                 set_current_user( 0, $user_login );
 716
 717                 if (!$posts_list) {
 718                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
 719                         return $this->error;
 720                 }
 721
 722                 foreach ($posts_list as $entry) {
 723                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
 724                                 continue;
 725
 726                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
 727                         $categories = implode(',', wp_get_post_categories($entry['ID']));
 728
 729                         $content  = '<title>'.stripslashes($entry['post_title']).'</title>';
 730                         $content .= '<category>'.$categories.'</category>';
 731                         $content .= stripslashes($entry['post_content']);
 732
 733                         $struct[] = array(
 734                                 'userid' => $entry['post_author'],
 735                                 'dateCreated' => new IXR_Date($post_date),
 736                                 'content' => $content,
 737                                 'postid' => $entry['ID'],
 738                         );
 739
 740                 }
 741
 742                 $recent_posts = array();
 743                 for ($j=0; $j<count($struct); $j++) {
 744                         array_push($recent_posts, $struct[$j]);
 745                 }
 746
 747                 return $recent_posts;
 748         }
 749
 750
 751         /* blogger.getTemplate returns your blog_filename */
 752         function blogger_getTemplate($args) {
 753
 754                 $this->escape($args);
 755
 756           $blog_ID    = (int) $args[1];
 757           $user_login = $args[2];
 758           $user_pass  = $args[3];
 759           $template   = $args[4]; /* could be 'main' or 'archiveIndex', but we don't use it */
 760
 761           if (!$this->login_pass_ok($user_login, $user_pass)) {
 762             return $this->error;
 763           }
 764
 765           set_current_user(0, $user_login);
 766           if ( !current_user_can('edit_themes') ) {
 767             return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
 768           }
 769
 770           /* warning: here we make the assumption that the blog's URL is on the same server */
 771           $filename = get_option('home') . '/';
 772           $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
 773
 774           $f = fopen($filename, 'r');
 775           $content = fread($f, filesize($filename));
 776           fclose($f);
 777
 778           /* so it is actually editable with a windows/mac client */
 779           // 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);
 780
 781           return $content;
 782         }
 783
 784
 785         /* blogger.setTemplate updates the content of blog_filename */
 786         function blogger_setTemplate($args) {
 787
 788                 $this->escape($args);
 789
 790           $blog_ID    = (int) $args[1];
 791           $user_login = $args[2];
 792           $user_pass  = $args[3];
 793           $content    = $args[4];
 794           $template   = $args[5]; /* could be 'main' or 'archiveIndex', but we don't use it */
 795
 796           if (!$this->login_pass_ok($user_login, $user_pass)) {
 797             return $this->error;
 798           }
 799
 800           set_current_user(0, $user_login);
 801           if ( !current_user_can('edit_themes') ) {
 802             return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
 803           }
 804
 805           /* warning: here we make the assumption that the blog's URL is on the same server */
 806           $filename = get_option('home') . '/';
 807           $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
 808
 809           if ($f = fopen($filename, 'w+')) {
 810             fwrite($f, $content);
 811             fclose($f);
 812           } else {
 813             return new IXR_Error(500, __('Either the file is not writable, or something wrong happened. The file has not been updated.'));
 814           }
 815
 816           return true;
 817         }
 818
 819
 820         /* blogger.newPost ...creates a new post */
 821         function blogger_newPost($args) {
 822
 823           global $wpdb;
 824
 825                 $this->escape($args);
 826
 827           $blog_ID    = (int) $args[1]; /* though we don't use it yet */
 828           $user_login = $args[2];
 829           $user_pass  = $args[3];
 830           $content    = $args[4];
 831           $publish    = $args[5];
 832
 833           if (!$this->login_pass_ok($user_login, $user_pass)) {
 834             return $this->error;
 835           }
 836
 837           $cap = ($publish) ? 'publish_posts' : 'edit_posts';
 838           $user = set_current_user(0, $user_login);
 839           if ( !current_user_can($cap) )
 840             return new IXR_Error(401, __('Sorry, you are not allowed to post on this blog.'));
 841
 842           $post_status = ($publish) ? 'publish' : 'draft';
 843
 844           $post_author = $user->ID;
 845
 846           $post_title = xmlrpc_getposttitle($content);
 847           $post_category = xmlrpc_getpostcategory($content);
 848           $post_content = xmlrpc_removepostdata($content);
 849
 850           $post_date = current_time('mysql');
 851           $post_date_gmt = current_time('mysql', 1);
 852
 853           $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');
 854
 855           $post_ID = wp_insert_post($post_data);
 856           if ( is_wp_error( $post_ID ) )
 857                 return new IXR_Error(500, $post_ID->get_error_message());
 858
 859           if (!$post_ID) {
 860             return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
 861           }
 862           $this->attach_uploads( $post_ID, $post_content );
 863
 864           logIO('O', "Posted ! ID: $post_ID");
 865
 866           return $post_ID;
 867         }
 868
 869
 870         /* blogger.editPost ...edits a post */
 871         function blogger_editPost($args) {
 872
 873           global $wpdb;
 874
 875                 $this->escape($args);
 876
 877           $post_ID     = (int) $args[1];
 878           $user_login  = $args[2];
 879           $user_pass   = $args[3];
 880           $content     = $args[4];
 881           $publish     = $args[5];
 882
 883           if (!$this->login_pass_ok($user_login, $user_pass)) {
 884             return $this->error;
 885           }
 886
 887           $actual_post = wp_get_single_post($post_ID,ARRAY_A);
 888
 889           if (!$actual_post) {
 890                 return new IXR_Error(404, __('Sorry, no such post.'));
 891           }
 892
 893                 $this->escape($actual_post);
 894
 895           set_current_user(0, $user_login);
 896           if ( !current_user_can('edit_post', $post_ID) )
 897             return new IXR_Error(401, __('Sorry, you do not have the right to edit this post.'));
 898
 899           extract($actual_post, EXTR_SKIP);
 900
 901           if ( ('publish' == $post_status) && !current_user_can('publish_posts') )
 902                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
 903
 904           $post_title = xmlrpc_getposttitle($content);
 905           $post_category = xmlrpc_getpostcategory($content);
 906           $post_content = xmlrpc_removepostdata($content);
 907
 908           $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt');
 909
 910           $result = wp_update_post($postdata);
 911
 912           if (!$result) {
 913                 return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
 914           }
 915           $this->attach_uploads( $ID, $post_content );
 916
 917           return true;
 918         }
 919
 920
 921         /* blogger.deletePost ...deletes a post */
 922         function blogger_deletePost($args) {
 923
 924           global $wpdb;
 925
 926                 $this->escape($args);
 927
 928           $post_ID     = (int) $args[1];
 929           $user_login  = $args[2];
 930           $user_pass   = $args[3];
 931           $publish     = $args[4];
 932
 933           if (!$this->login_pass_ok($user_login, $user_pass)) {
 934             return $this->error;
 935           }
 936
 937           $actual_post = wp_get_single_post($post_ID,ARRAY_A);
 938
 939           if (!$actual_post) {
 940                 return new IXR_Error(404, __('Sorry, no such post.'));
 941           }
 942
 943           set_current_user(0, $user_login);
 944           if ( !current_user_can('edit_post', $post_ID) )
 945             return new IXR_Error(401, __('Sorry, you do not have the right to delete this post.'));
 946
 947           $result = wp_delete_post($post_ID);
 948
 949           if (!$result) {
 950                 return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
 951           }
 952
 953           return true;
 954         }
 955
 956
 957
 958         /* MetaWeblog API functions
 959          * specs on wherever Dave Winer wants them to be
 960          */
 961
 962         /* metaweblog.newPost creates a post */
 963         function mw_newPost($args) {
 964
 965           global $wpdb, $post_default_category;
 966
 967                 $this->escape($args);
 968
 969           $blog_ID     = (int) $args[0]; // we will support this in the near future
 970           $user_login  = $args[1];
 971           $user_pass   = $args[2];
 972           $content_struct = $args[3];
 973           $publish     = $args[4];
 974
 975           if (!$this->login_pass_ok($user_login, $user_pass)) {
 976             return $this->error;
 977           }
 978
 979       $cap = ($publish) ? 'publish_posts' : 'edit_posts';
 980           $user = set_current_user(0, $user_login);
 981           if ( !current_user_can($cap) )
 982             return new IXR_Error(401, __('Sorry, you are not allowed to post on this blog.'));
 983
 984                 // The post_type defaults to post, but could also be page.
 985                 $post_type = "post";
 986                 if(
 987                         !empty($content_struct["post_type"])
 988                         && ($content_struct["post_type"] == "page")
 989                 ) {
 990                         $post_type = "page";
 991                 }
 992
 993                 // Let WordPress generate the post_name (slug) unless
 994                 // one has been provided.
 995                 $post_name = "";
 996                 if(isset($content_struct["wp_slug"])) {
 997                         $post_name = $content_struct["wp_slug"];
 998                 }
 999
1000                 // Only use a password if one was given.
1001                 if(isset($content_struct["wp_password"])) {
1002                         $post_password = $content_struct["wp_password"];
1003                 }
1004
1005                 // Only set a post parent if one was provided.
1006                 if(isset($content_struct["wp_page_parent_id"])) {
1007                         $post_parent = $content_struct["wp_page_parent_id"];
1008                 }
1009
1010                 // Only set the menu_order if it was provided.
1011                 if(isset($content_struct["wp_page_order"])) {
1012                         $menu_order = $content_struct["wp_page_order"];
1013                 }
1014
1015           $post_author = $user->ID;
1016
1017                 // If an author id was provided then use it instead.
1018                 if(
1019                         isset($content_struct["wp_author_id"])
1020                         && ($user->ID != $content_struct["wp_author_id"])
1021                 ) {
1022                         switch($post_type) {
1023                                 case "post":
1024                                         if(!current_user_can("edit_others_posts")) {
1025                                                 return(new IXR_Error(401, __("You are not allowed to post as this user")));
1026                                         }
1027                                         break;
1028                                 case "page":
1029                                         if(!current_user_can("edit_others_pages")) {
1030                                                 return(new IXR_Error(401, __("You are not allowed to create pages as this user")));
1031                                         }
1032                                         break;
1033                                 default:
1034                                         return(new IXR_Error(401, __("Invalid post type.")));
1035                                         break;
1036                         }
1037                         $post_author = $content_struct["wp_author_id"];
1038                 }
1039
1040           $post_title = $content_struct['title'];
1041           $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
1042           $post_status = $publish ? 'publish' : 'draft';
1043
1044           $post_excerpt = $content_struct['mt_excerpt'];
1045           $post_more = $content_struct['mt_text_more'];
1046
1047                 $tags_input = $content_struct['mt_keywords'];
1048
1049                 if(isset($content_struct["mt_allow_comments"])) {
1050                         if(!is_numeric($content_struct["mt_allow_comments"])) {
1051                                 switch($content_struct["mt_allow_comments"]) {
1052                                         case "closed":
1053                                                 $comment_status = "closed";
1054                                                 break;
1055                                         case "open":
1056                                                 $comment_status = "open";
1057                                                 break;
1058                                         default:
1059                                                 $comment_status = get_option("default_comment_status");
1060                                                 break;
1061                                 }
1062                         }
1063                         else {
1064                                 switch((int) $content_struct["mt_allow_comments"]) {
1065                                         case 0:
1066                                                 $comment_status = "closed";
1067                                                 break;
1068                                         case 1:
1069                                                 $comment_status = "open";
1070                                                 break;
1071                                         default:
1072                                                 $comment_status = get_option("default_comment_status");
1073                                                 break;
1074                                 }
1075                         }
1076                 }
1077                 else {
1078                         $comment_status = get_option("default_comment_status");
1079                 }
1080
1081                 if(isset($content_struct["mt_allow_pings"])) {
1082                         if(!is_numeric($content_struct["mt_allow_pings"])) {
1083                                 switch($content_struct['mt_allow_pings']) {
1084                                         case "closed":
1085                                                 $ping_status = "closed";
1086                                                 break;
1087                                         case "open":
1088                                                 $ping_status = "open";
1089                                                 break;
1090                                         default:
1091                                                 $ping_status = get_option("default_ping_status");
1092                                                 break;
1093                                 }
1094                         }
1095                         else {
1096                                 switch((int) $content_struct["mt_allow_pings"]) {
1097                                         case 0:
1098                                                 $ping_status = "closed";
1099                                                 break;
1100                                         case 1:
1101                                                 $ping_status = "open";
1102                                                 break;
1103                                         default:
1104                                                 $ping_status = get_option("default_ping_status");
1105                                                 break;
1106                                 }
1107                         }
1108                 }
1109                 else {
1110                         $ping_status = get_option("default_ping_status");
1111                 }
1112
1113           if ($post_more) {
1114             $post_content = $post_content . "\n<!--more-->\n" . $post_more;
1115           }
1116
1117           $to_ping = $content_struct['mt_tb_ping_urls'];
1118           if ( is_array($to_ping) )
1119                 $to_ping = implode(' ', $to_ping);
1120
1121                 // Do some timestamp voodoo
1122                 $dateCreatedd = $content_struct['dateCreated'];
1123                 if (!empty($dateCreatedd)) {
1124                         $dateCreated = $dateCreatedd->getIso();
1125                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
1126                         $post_date_gmt = iso8601_to_datetime($dateCreated, GMT);
1127                 } else {
1128                         $post_date = current_time('mysql');
1129                         $post_date_gmt = current_time('mysql', 1);
1130                 }
1131
1132           $catnames = $content_struct['categories'];
1133           logIO('O', 'Post cats: ' . printr($catnames,true));
1134           $post_category = array();
1135
1136           if (is_array($catnames)) {
1137             foreach ($catnames as $cat) {
1138               $post_category[] = get_cat_ID($cat);
1139             }
1140           }
1141
1142           // We've got all the data -- post it:
1143           $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');
1144
1145           $post_ID = wp_insert_post($postdata);
1146           if ( is_wp_error( $post_ID ) )
1147                 return new IXR_Error(500, $post_ID->get_error_message());
1148
1149           if (!$post_ID) {
1150             return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
1151           }
1152
1153           $this->attach_uploads( $post_ID, $post_content );
1154
1155           logIO('O', "Posted ! ID: $post_ID");
1156
1157           return strval($post_ID);
1158         }
1159
1160         function attach_uploads( $post_ID, $post_content ) {
1161                 global $wpdb;
1162
1163                 // find any unattached files
1164                 $attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '-1' AND post_type = 'attachment'" );
1165                 if( is_array( $attachments ) ) {
1166                         foreach( $attachments as $file ) {
1167                                 if( strpos( $post_content, $file->guid ) !== false ) {
1168                                         $wpdb->query( "UPDATE {$wpdb->posts} SET post_parent = '$post_ID' WHERE ID = '{$file->ID}'" );
1169                                 }
1170                         }
1171                 }
1172         }
1173
1174         /* metaweblog.editPost ...edits a post */
1175         function mw_editPost($args) {
1176
1177           global $wpdb, $post_default_category;
1178
1179                 $this->escape($args);
1180
1181           $post_ID     = (int) $args[0];
1182           $user_login  = $args[1];
1183           $user_pass   = $args[2];
1184           $content_struct = $args[3];
1185           $publish     = $args[4];
1186
1187           if (!$this->login_pass_ok($user_login, $user_pass)) {
1188             return $this->error;
1189           }
1190
1191                 $user = set_current_user(0, $user_login);
1192
1193                 // The post_type defaults to post, but could also be page.
1194                 $post_type = "post";
1195                 if(
1196                         !empty($content_struct["post_type"])
1197                         && ($content_struct["post_type"] == "page")
1198                 ) {
1199                         $post_type = "page";
1200                 }
1201
1202           // Edit page caps are checked in editPage.  Just check post here.
1203           if ( ( 'post' == $post_type ) && !current_user_can('edit_post', $post_ID) )
1204             return new IXR_Error(401, __('Sorry, you can not edit this post.'));
1205
1206           $postdata = wp_get_single_post($post_ID, ARRAY_A);
1207
1208                 // If there is no post data for the give post id, stop
1209                 // now and return an error.  Other wise a new post will be
1210                 // created (which was the old behavior).
1211                 if(empty($postdata["ID"])) {
1212                         return(new IXR_Error(404, __("Invalid post id.")));
1213                 }
1214
1215                 $this->escape($postdata);
1216                 extract($postdata, EXTR_SKIP);
1217
1218                 // Let WordPress manage slug if none was provided.
1219                 $post_name = "";
1220                 if(isset($content_struct["wp_slug"])) {
1221                         $post_name = $content_struct["wp_slug"];
1222                 }
1223
1224                 // Only use a password if one was given.
1225                 if(isset($content_struct["wp_password"])) {
1226                         $post_password = $content_struct["wp_password"];
1227                 }
1228
1229                 // Only set a post parent if one was given.
1230                 if(isset($content_struct["wp_page_parent_id"])) {
1231                         $post_parent = $content_struct["wp_page_parent_id"];
1232                 }
1233
1234                 // Only set the menu_order if it was given.
1235                 if(isset($content_struct["wp_page_order"])) {
1236                         $menu_order = $content_struct["wp_page_order"];
1237                 }
1238
1239                 $post_author = $postdata["post_author"];
1240
1241                 // Only set the post_author if one is set.
1242                 if(
1243                         isset($content_struct["wp_author_id"])
1244                         && ($user->ID != $content_struct["wp_author_id"])
1245                 ) {
1246                         switch($post_type) {
1247                                 case "post":
1248                                         if(!current_user_can("edit_others_posts")) {
1249                                                 return(new IXR_Error(401, __("You are not allowed to change the post author as this user.")));
1250                                         }
1251                                         break;
1252                                 case "page":
1253                                         if(!current_user_can("edit_others_pages")) {
1254                                                 return(new IXR_Error(401, __("You are not allowed to change the page author as this user.")));
1255                                         }
1256                                         break;
1257                                 default:
1258                                         return(new IXR_Error(401, __("Invalid post type.")));
1259                                         break;
1260                         }
1261                         $post_author = $content_struct["wp_author_id"];
1262                 }
1263
1264                 if(isset($content_struct["mt_allow_comments"])) {
1265                         if(!is_numeric($content_struct["mt_allow_comments"])) {
1266                                 switch($content_struct["mt_allow_comments"]) {
1267                                         case "closed":
1268                                                 $comment_status = "closed";
1269                                                 break;
1270                                         case "open":
1271                                                 $comment_status = "open";
1272                                                 break;
1273                                         default:
1274                                                 $comment_status = get_option("default_comment_status");
1275                                                 break;
1276                                 }
1277                         }
1278                         else {
1279                                 switch((int) $content_struct["mt_allow_comments"]) {
1280                                         case 0:
1281                                                 $comment_status = "closed";
1282                                                 break;
1283                                         case 1:
1284                                                 $comment_status = "open";
1285                                                 break;
1286                                         default:
1287                                                 $comment_status = get_option("default_comment_status");
1288                                                 break;
1289                                 }
1290                         }
1291                 }
1292
1293                 if(isset($content_struct["mt_allow_pings"])) {
1294                         if(!is_numeric($content_struct["mt_allow_pings"])) {
1295                                 switch($content_struct["mt_allow_pings"]) {
1296                                         case "closed":
1297                                                 $ping_status = "closed";
1298                                                 break;
1299                                         case "open":
1300                                                 $ping_status = "open";
1301                                                 break;
1302                                         default:
1303                                                 $ping_status = get_option("default_ping_status");
1304                                                 break;
1305                                 }
1306                         }
1307                         else {
1308                                 switch((int) $content_struct["mt_allow_pings"]) {
1309                                         case 0:
1310                                                 $ping_status = "closed";
1311                                                 break;
1312                                         case 1:
1313                                                 $ping_status = "open";
1314                                                 break;
1315                                         default:
1316                                                 $ping_status = get_option("default_ping_status");
1317                                                 break;
1318                                 }
1319                         }
1320                 }
1321
1322           $post_title = $content_struct['title'];
1323           $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
1324           $catnames = $content_struct['categories'];
1325
1326           $post_category = array();
1327
1328           if (is_array($catnames)) {
1329             foreach ($catnames as $cat) {
1330               $post_category[] = get_cat_ID($cat);
1331             }
1332           }
1333
1334           $post_excerpt = $content_struct['mt_excerpt'];
1335           $post_more = $content_struct['mt_text_more'];
1336           $post_status = $publish ? 'publish' : 'draft';
1337
1338           $tags_input = $content_struct['mt_keywords'];
1339
1340           if ( ('publish' == $post_status) ) {
1341                 if ( ( 'page' == $post_type ) && !current_user_can('publish_pages') )
1342                         return new IXR_Error(401, __('Sorry, you do not have the right to publish this page.'));
1343                 else if ( !current_user_can('publish_posts') )
1344                         return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
1345           }
1346
1347           if ($post_more) {
1348             $post_content = $post_content . "\n<!--more-->\n" . $post_more;
1349           }
1350
1351           $to_ping = $content_struct['mt_tb_ping_urls'];
1352           if ( is_array($to_ping) )
1353                 $to_ping = implode(' ', $to_ping);
1354
1355           // Do some timestamp voodoo
1356           $dateCreatedd = $content_struct['dateCreated'];
1357           if (!empty($dateCreatedd)) {
1358             $dateCreated = $dateCreatedd->getIso();
1359             $post_date     = get_date_from_gmt(iso8601_to_datetime($dateCreated));
1360             $post_date_gmt = iso8601_to_datetime($dateCreated . "Z", GMT);
1361           } else {
1362             $post_date     = $postdata['post_date'];
1363             $post_date_gmt = $postdata['post_date_gmt'];
1364           }
1365
1366           // We've got all the data -- post it:
1367           $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');
1368
1369           $result = wp_update_post($newpost);
1370           if (!$result) {
1371             return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
1372           }
1373           $this->attach_uploads( $ID, $post_content );
1374
1375           logIO('O',"(MW) Edited ! ID: $post_ID");
1376
1377           return true;
1378         }
1379
1380
1381         /* metaweblog.getPost ...returns a post */
1382         function mw_getPost($args) {
1383
1384                 global $wpdb;
1385
1386                 $this->escape($args);
1387
1388                 $post_ID     = (int) $args[0];
1389                 $user_login  = $args[1];
1390                 $user_pass   = $args[2];
1391
1392                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1393                         return $this->error;
1394                 }
1395
1396                 set_current_user( 0, $user_login );
1397                 if( !current_user_can( 'edit_post', $post_ID ) )
1398                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
1399
1400                 do_action('xmlrpc_call', 'metaWeblog.getPost');
1401
1402                 $postdata = wp_get_single_post($post_ID, ARRAY_A);
1403
1404                 if ($postdata['post_date'] != '') {
1405                         $post_date = mysql2date('Ymd\TH:i:s', $postdata['post_date']);
1406                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $postdata['post_date_gmt']);
1407
1408                         $categories = array();
1409                         $catids = wp_get_post_categories($post_ID);
1410                         foreach($catids as $catid) {
1411                                 $categories[] = get_cat_name($catid);
1412                         }
1413
1414                         $tagnames = array();
1415                         $tags = wp_get_post_tags( $post_ID );
1416                         if ( !empty( $tags ) ) {
1417                                 foreach ( $tags as $tag ) {
1418                                         $tagnames[] = $tag->name;
1419                                 }
1420                                 $tagnames = implode( ', ', $tagnames );
1421                         } else {
1422                                 $tagnames = '';
1423                         }
1424
1425                         $post = get_extended($postdata['post_content']);
1426                         $link = post_permalink($postdata['ID']);
1427
1428                         // Get the author info.
1429                         $author = get_userdata($postdata['post_author']);
1430
1431                         $allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
1432                         $allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;
1433
1434                         $resp = array(
1435                         'dateCreated' => new IXR_Date($post_date),
1436                                 'userid' => $postdata['post_author'],
1437                                 'postid' => $postdata['ID'],
1438                                 'description' => $post['main'],
1439                                 'title' => $postdata['post_title'],
1440                                 'link' => $link,
1441                                 'permaLink' => $link,
1442                                 // commented out because no other tool seems to use this
1443                                 //            'content' => $entry['post_content'],
1444                                 'categories' => $categories,
1445                                 'mt_excerpt' => $postdata['post_excerpt'],
1446                                 'mt_text_more' => $post['extended'],
1447                                 'mt_allow_comments' => $allow_comments,
1448                                 'mt_allow_pings' => $allow_pings,
1449                                 'mt_keywords' => $tagnames,
1450                                 'wp_slug' => $postdata['post_name'],
1451                                 'wp_password' => $postdata['post_password'],
1452                                 'wp_author_id' => $author->ID,
1453                                 'wp_author_display_name'        => $author->display_name,
1454                                 'date_created_gmt' => new IXR_Date($post_date_gmt)
1455                         );
1456
1457                         return $resp;
1458                 } else {
1459                         return new IXR_Error(404, __('Sorry, no such post.'));
1460                 }
1461         }
1462
1463
1464         /* metaweblog.getRecentPosts ...returns recent posts */
1465         function mw_getRecentPosts($args) {
1466
1467                 $this->escape($args);
1468
1469                 $blog_ID     = (int) $args[0];
1470                 $user_login  = $args[1];
1471                 $user_pass   = $args[2];
1472                 $num_posts   = (int) $args[3];
1473
1474                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1475                         return $this->error;
1476                 }
1477
1478                 $posts_list = wp_get_recent_posts($num_posts);
1479
1480                 if (!$posts_list) {
1481                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
1482                         return $this->error;
1483                 }
1484
1485                 set_current_user( 0, $user_login );
1486
1487                 foreach ($posts_list as $entry) {
1488                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
1489                                 continue;
1490
1491                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
1492                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
1493
1494                         $categories = array();
1495                         $catids = wp_get_post_categories($entry['ID']);
1496                         foreach($catids as $catid) {
1497                                 $categories[] = get_cat_name($catid);
1498                         }
1499
1500                         $tagnames = array();
1501                         $tags = wp_get_post_tags( $entry['ID'] );
1502                         if ( !empty( $tags ) ) {
1503                                 foreach ( $tags as $tag ) {
1504                                         $tagnames[] = $tag->name;
1505                                 }
1506                                 $tagnames = implode( ', ', $tagnames );
1507                         } else {
1508                                 $tagnames = '';
1509                         }
1510
1511                         $post = get_extended($entry['post_content']);
1512                         $link = post_permalink($entry['ID']);
1513
1514                         // Get the post author info.
1515                         $author = get_userdata($entry['post_author']);
1516
1517                         $allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
1518                         $allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;
1519
1520                         $struct[] = array(
1521                                 'dateCreated' => new IXR_Date($post_date),
1522                                 'userid' => $entry['post_author'],
1523                                 'postid' => $entry['ID'],
1524                                 'description' => $post['main'],
1525                                 'title' => $entry['post_title'],
1526                                 'link' => $link,
1527                                 'permaLink' => $link,
1528 // commented out because no other tool seems to use this
1529 //            'content' => $entry['post_content'],
1530                                 'categories' => $categories,
1531                                 'mt_excerpt' => $entry['post_excerpt'],
1532                                 'mt_text_more' => $post['extended'],
1533                                 'mt_allow_comments' => $allow_comments,
1534                                 'mt_allow_pings' => $allow_pings,
1535                                 'mt_keywords' => $tagnames,
1536                                 'wp_slug' => $entry['post_name'],
1537                                 'wp_password' => $entry['post_password'],
1538                                 'wp_author_id' => $author->ID,
1539                                 'wp_author_display_name' => $author->display_name,
1540                                 'date_created_gmt' => new IXR_Date($post_date_gmt)
1541                         );
1542
1543                 }
1544
1545                 $recent_posts = array();
1546                 for ($j=0; $j<count($struct); $j++) {
1547                         array_push($recent_posts, $struct[$j]);
1548                 }
1549
1550                 return $recent_posts;
1551         }
1552
1553
1554         /* metaweblog.getCategories ...returns the list of categories on a given blog */
1555         function mw_getCategories($args) {
1556
1557                 global $wpdb;
1558
1559                 $this->escape($args);
1560
1561                 $blog_ID     = (int) $args[0];
1562                 $user_login  = $args[1];
1563                 $user_pass   = $args[2];
1564
1565                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1566                         return $this->error;
1567                 }
1568
1569                 set_current_user( 0, $user_login );
1570                 if( !current_user_can( 'edit_posts' ) )
1571                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
1572
1573                 do_action('xmlrpc_call', 'metaWeblog.getCategories');
1574
1575                 $categories_struct = array();
1576
1577                 if ( $cats = get_categories('get=all') ) {
1578                         foreach ( $cats as $cat ) {
1579                                 $struct['categoryId'] = $cat->term_id;
1580                                 $struct['parentId'] = $cat->parent;
1581                                 $struct['description'] = $cat->name;
1582                                 $struct['categoryName'] = $cat->name;
1583                                 $struct['htmlUrl'] = wp_specialchars(get_category_link($cat->term_id));
1584                                 $struct['rssUrl'] = wp_specialchars(get_category_rss_link(false, $cat->term_id, $cat->name));
1585
1586                                 $categories_struct[] = $struct;
1587                         }
1588                 }
1589
1590                 return $categories_struct;
1591         }
1592
1593
1594         /* metaweblog.newMediaObject uploads a file, following your settings */
1595         function mw_newMediaObject($args) {
1596                 // adapted from a patch by Johann Richard
1597                 // http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
1598
1599                 global $wpdb;
1600
1601                 $blog_ID     = (int) $args[0];
1602                 $user_login  = $wpdb->escape($args[1]);
1603                 $user_pass   = $wpdb->escape($args[2]);
1604                 $data        = $args[3];
1605
1606                 $name = sanitize_file_name( $data['name'] );
1607                 $type = $data['type'];
1608                 $bits = $data['bits'];
1609
1610                 logIO('O', '(MW) Received '.strlen($bits).' bytes');
1611
1612                 if ( !$this->login_pass_ok($user_login, $user_pass) )
1613                         return $this->error;
1614
1615                 set_current_user(0, $user_login);
1616                 if ( !current_user_can('upload_files') ) {
1617                         logIO('O', '(MW) User does not have upload_files capability');
1618                         $this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
1619                         return $this->error;
1620                 }
1621
1622                 if ( $upload_err = apply_filters( "pre_upload_error", false ) )
1623                         return new IXR_Error(500, $upload_err);
1624
1625                 if(!empty($data["overwrite"]) && ($data["overwrite"] == true)) {
1626                         // Get postmeta info on the object.
1627                         $old_file = $wpdb->get_row("
1628                                 SELECT ID
1629                                 FROM {$wpdb->posts}
1630                                 WHERE post_title = '{$name}'
1631                                         AND post_type = 'attachment'
1632                         ");
1633
1634                         // Delete previous file.
1635                         wp_delete_attachment($old_file->ID);
1636
1637                         // Make sure the new name is different by pre-pending the
1638                         // previous post id.
1639                         $filename = preg_replace("/^wpid\d+-/", "", $name);
1640                         $name = "wpid{$old_file->ID}-{$filename}";
1641                 }
1642
1643                 $upload = wp_upload_bits($name, $type, $bits, $overwrite);
1644                 if ( ! empty($upload['error']) ) {
1645                         $errorString = sprintf(__('Could not write file %1$s (%2$s)'), $name, $upload['error']);
1646                         logIO('O', '(MW) ' . $errorString);
1647                         return new IXR_Error(500, $errorString);
1648                 }
1649                 // Construct the attachment array
1650                 // attach to post_id -1
1651                 $post_id = -1;
1652                 $attachment = array(
1653                         'post_title' => $name,
1654                         'post_content' => '',
1655                         'post_type' => 'attachment',
1656                         'post_parent' => $post_id,
1657                         'post_mime_type' => $type,
1658                         'guid' => $upload[ 'url' ]
1659                 );
1660
1661                 // Save the data
1662                 $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
1663                 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
1664
1665                 return apply_filters( 'wp_handle_upload', array( 'file' => $name, 'url' => $upload[ 'url' ], 'type' => $type ) );
1666         }
1667
1668
1669         /* MovableType API functions
1670          * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
1671          */
1672
1673         /* mt.getRecentPostTitles ...returns recent posts' titles */
1674         function mt_getRecentPostTitles($args) {
1675
1676                 $this->escape($args);
1677
1678                 $blog_ID     = (int) $args[0];
1679                 $user_login  = $args[1];
1680                 $user_pass   = $args[2];
1681                 $num_posts   = (int) $args[3];
1682
1683                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1684                         return $this->error;
1685                 }
1686
1687                 $posts_list = wp_get_recent_posts($num_posts);
1688
1689                 if (!$posts_list) {
1690                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
1691                         return $this->error;
1692                 }
1693
1694                 set_current_user( 0, $user_login );
1695
1696                 foreach ($posts_list as $entry) {
1697                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
1698                                 continue;
1699
1700                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
1701                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
1702
1703                         $struct[] = array(
1704                                 'dateCreated' => new IXR_Date($post_date),
1705                                 'userid' => $entry['post_author'],
1706                                 'postid' => $entry['ID'],
1707                                 'title' => $entry['post_title'],
1708                                 'date_created_gmt' => new IXR_Date($post_date_gmt)
1709                         );
1710
1711                 }
1712
1713                 $recent_posts = array();
1714                 for ($j=0; $j<count($struct); $j++) {
1715                         array_push($recent_posts, $struct[$j]);
1716                 }
1717
1718                 return $recent_posts;
1719         }
1720
1721
1722         /* mt.getCategoryList ...returns the list of categories on a given blog */
1723         function mt_getCategoryList($args) {
1724
1725                 global $wpdb;
1726
1727                 $this->escape($args);
1728
1729                 $blog_ID     = (int) $args[0];
1730                 $user_login  = $args[1];
1731                 $user_pass   = $args[2];
1732
1733                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1734                         return $this->error;
1735                 }
1736
1737                 set_current_user( 0, $user_login );
1738                 if( !current_user_can( 'edit_posts' ) )
1739                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
1740
1741                 do_action('xmlrpc_call', 'mt.getCategoryList');
1742
1743                 $categories_struct = array();
1744
1745                 if ( $cats = get_categories('hide_empty=0&hierarchical=0') ) {
1746                         foreach ($cats as $cat) {
1747                                 $struct['categoryId'] = $cat->term_id;
1748                                 $struct['categoryName'] = $cat->name;
1749
1750                                 $categories_struct[] = $struct;
1751                         }
1752                 }
1753
1754                 return $categories_struct;
1755         }
1756
1757
1758         /* mt.getPostCategories ...returns a post's categories */
1759         function mt_getPostCategories($args) {
1760
1761                 $this->escape($args);
1762
1763                 $post_ID     = (int) $args[0];
1764                 $user_login  = $args[1];
1765                 $user_pass   = $args[2];
1766
1767                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1768                         return $this->error;
1769                 }
1770
1771                 set_current_user( 0, $user_login );
1772                 if( !current_user_can( 'edit_post', $post_ID ) )
1773                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
1774
1775                 do_action('xmlrpc_call', 'mt.getPostCategories');
1776
1777                 $categories = array();
1778                 $catids = wp_get_post_categories(intval($post_ID));
1779                 // first listed category will be the primary category
1780                 $isPrimary = true;
1781                 foreach($catids as $catid) {
1782                         $categories[] = array(
1783                                 'categoryName' => get_cat_name($catid),
1784                                 'categoryId' => (string) $catid,
1785                                 'isPrimary' => $isPrimary
1786                         );
1787                         $isPrimary = false;
1788                 }
1789
1790                 return $categories;
1791         }
1792
1793
1794         /* mt.setPostCategories ...sets a post's categories */
1795         function mt_setPostCategories($args) {
1796
1797                 $this->escape($args);
1798
1799                 $post_ID     = (int) $args[0];
1800                 $user_login  = $args[1];
1801                 $user_pass   = $args[2];
1802                 $categories  = $args[3];
1803
1804                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1805                         return $this->error;
1806                 }
1807
1808                 set_current_user(0, $user_login);
1809                 if ( !current_user_can('edit_post', $post_ID) )
1810                         return new IXR_Error(401, __('Sorry, you can not edit this post.'));
1811
1812                 foreach($categories as $cat) {
1813                         $catids[] = $cat['categoryId'];
1814                 }
1815
1816                 wp_set_post_categories($post_ID, $catids);
1817
1818                 return true;
1819         }
1820
1821
1822         /* mt.supportedMethods ...returns an array of methods supported by this server */
1823         function mt_supportedMethods($args) {
1824
1825                 $supported_methods = array();
1826                 foreach($this->methods as $key=>$value) {
1827                         $supported_methods[] = $key;
1828                 }
1829
1830                 return $supported_methods;
1831         }
1832
1833
1834         /* mt.supportedTextFilters ...returns an empty array because we don't
1835                  support per-post text filters yet */
1836         function mt_supportedTextFilters($args) {
1837                 return apply_filters('xmlrpc_text_filters', array());
1838         }
1839
1840
1841         /* mt.getTrackbackPings ...returns trackbacks sent to a given post */
1842         function mt_getTrackbackPings($args) {
1843
1844                 global $wpdb;
1845
1846                 $post_ID = intval($args);
1847
1848                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
1849
1850                 if (!$actual_post) {
1851                         return new IXR_Error(404, __('Sorry, no such post.'));
1852                 }
1853
1854                 $comments = $wpdb->get_results("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = $post_ID");
1855
1856                 if (!$comments) {
1857                         return array();
1858                 }
1859
1860                 $trackback_pings = array();
1861                 foreach($comments as $comment) {
1862                         if ( 'trackback' == $comment->comment_type ) {
1863                                 $content = $comment->comment_content;
1864                                 $title = substr($content, 8, (strpos($content, '</strong>') - 8));
1865                                 $trackback_pings[] = array(
1866                                         'pingTitle' => $title,
1867                                         'pingURL'   => $comment->comment_author_url,
1868                                         'pingIP'    => $comment->comment_author_IP
1869                                 );
1870                 }
1871                 }
1872
1873                 return $trackback_pings;
1874         }
1875
1876
1877         /* mt.publishPost ...sets a post's publish status to 'publish' */
1878         function mt_publishPost($args) {
1879
1880                 $this->escape($args);
1881
1882                 $post_ID     = (int) $args[0];
1883                 $user_login  = $args[1];
1884                 $user_pass   = $args[2];
1885
1886                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1887                         return $this->error;
1888                 }
1889
1890                 set_current_user(0, $user_login);
1891                 if ( !current_user_can('edit_post', $post_ID) )
1892                         return new IXR_Error(401, __('Sorry, you can not edit this post.'));
1893
1894                 $postdata = wp_get_single_post($post_ID,ARRAY_A);
1895
1896                 $postdata['post_status'] = 'publish';
1897
1898                 // retain old cats
1899                 $cats = wp_get_post_categories($post_ID);
1900                 $postdata['post_category'] = $cats;
1901                 $this->escape($postdata);
1902
1903                 $result = wp_update_post($postdata);
1904
1905                 return $result;
1906         }
1907
1908
1909
1910         /* PingBack functions
1911          * specs on www.hixie.ch/specs/pingback/pingback
1912          */
1913
1914         /* pingback.ping gets a pingback and registers it */
1915         function pingback_ping($args) {
1916                 global $wpdb, $wp_version;
1917
1918                 $this->escape($args);
1919
1920                 $pagelinkedfrom = $args[0];
1921                 $pagelinkedto   = $args[1];
1922
1923                 $title = '';
1924
1925                 $pagelinkedfrom = str_replace('&amp;', '&', $pagelinkedfrom);
1926                 $pagelinkedto = str_replace('&amp;', '&', $pagelinkedto);
1927                 $pagelinkedto = str_replace('&', '&amp;', $pagelinkedto);
1928
1929                 $error_code = -1;
1930
1931                 // Check if the page linked to is in our site
1932                 $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
1933                 if( !$pos1 )
1934                                 return new IXR_Error(0, __('Is there no link to us?'));
1935
1936                 // let's find which post is linked to
1937                 // FIXME: does url_to_postid() cover all these cases already?
1938                 //        if so, then let's use it and drop the old code.
1939                 $urltest = parse_url($pagelinkedto);
1940                 if ($post_ID = url_to_postid($pagelinkedto)) {
1941                         $way = 'url_to_postid()';
1942                 } elseif (preg_match('#p/[0-9]{1,}#', $urltest['path'], $match)) {
1943                         // the path defines the post_ID (archives/p/XXXX)
1944                         $blah = explode('/', $match[0]);
1945                         $post_ID = (int) $blah[1];
1946                         $way = 'from the path';
1947                 } elseif (preg_match('#p=[0-9]{1,}#', $urltest['query'], $match)) {
1948                         // the querystring defines the post_ID (?p=XXXX)
1949                         $blah = explode('=', $match[0]);
1950                         $post_ID = (int) $blah[1];
1951                         $way = 'from the querystring';
1952                 } elseif (isset($urltest['fragment'])) {
1953                         // an #anchor is there, it's either...
1954                         if (intval($urltest['fragment'])) {
1955                                 // ...an integer #XXXX (simpliest case)
1956                                 $post_ID = (int) $urltest['fragment'];
1957                                 $way = 'from the fragment (numeric)';
1958                         } elseif (preg_match('/post-[0-9]+/',$urltest['fragment'])) {
1959                                 // ...a post id in the form 'post-###'
1960                                 $post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
1961                                 $way = 'from the fragment (post-###)';
1962                         } elseif (is_string($urltest['fragment'])) {
1963                                 // ...or a string #title, a little more complicated
1964                                 $title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
1965                                 $sql = "SELECT ID FROM $wpdb->posts WHERE post_title RLIKE '$title'";
1966                                 if (! ($post_ID = $wpdb->get_var($sql)) ) {
1967                                         // returning unknown error '0' is better than die()ing
1968                                         return new IXR_Error(0, '');
1969                                 }
1970                                 $way = 'from the fragment (title)';
1971                         }
1972                 } else {
1973                         // TODO: Attempt to extract a post ID from the given URL
1974                         return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
1975                 }
1976                 $post_ID = (int) $post_ID;
1977
1978
1979                 logIO("O","(PB) URL='$pagelinkedto' ID='$post_ID' Found='$way'");
1980
1981                 $post = get_post($post_ID);
1982
1983                 if ( !$post ) // Post_ID not found
1984                         return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
1985
1986                 if ( $post_ID == url_to_postid($pagelinkedfrom) )
1987                         return new IXR_Error(0, __('The source URL and the target URL cannot both point to the same resource.'));
1988
1989                 // Check if pings are on
1990                 if ( 'closed' == $post->ping_status )
1991                         return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
1992
1993                 // Let's check that the remote site didn't already pingback this entry
1994                 $result = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_ID' AND comment_author_url = '$pagelinkedfrom'");
1995
1996                 if ( $wpdb->num_rows ) // We already have a Pingback from this URL
1997                         return new IXR_Error(48, __('The pingback has already been registered.'));
1998
1999                 // very stupid, but gives time to the 'from' server to publish !
2000                 sleep(1);
2001
2002                 // Let's check the remote site
2003                 $linea = wp_remote_fopen( $pagelinkedfrom );
2004                 if ( !$linea )
2005                         return new IXR_Error(16, __('The source URL does not exist.'));
2006
2007                 // Work around bug in strip_tags():
2008                 $linea = str_replace('<!DOC', '<DOC', $linea);
2009                 $linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces
2010                 $linea = preg_replace( "/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );
2011
2012                 preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);
2013                 $title = $matchtitle[1];
2014                 if ( empty( $title ) )
2015                         return new IXR_Error(32, __('We cannot find a title on that page.'));
2016
2017                 $linea = strip_tags( $linea, '<a>' ); // just keep the tag we need
2018
2019                 $p = explode( "\n\n", $linea );
2020
2021                 $preg_target = preg_quote($pagelinkedto);
2022
2023                 foreach ( $p as $para ) {
2024                         if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
2025                                 preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);
2026
2027                                 // If the URL isn't in a link context, keep looking
2028                                 if ( empty($context) )
2029                                         continue;
2030
2031                                 // We're going to use this fake tag to mark the context in a bit
2032                                 // the marker is needed in case the link text appears more than once in the paragraph
2033                                 $excerpt = preg_replace('|\</?wpcontext\>|', '', $para);
2034
2035                                 // prevent really long link text
2036                                 if ( strlen($context[1]) > 100 )
2037                                         $context[1] = substr($context[1], 0, 100) . '...';
2038
2039                                 $marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
2040                                 $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
2041                                 $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
2042                                 $excerpt = trim($excerpt);
2043                                 $preg_marker = preg_quote($marker);
2044                                 $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
2045                                 $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
2046                                 break;
2047                         }
2048                 }
2049
2050                 if ( empty($context) ) // Link to target not found
2051                         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.'));
2052
2053                 $pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
2054
2055                 $context = '[...] ' . wp_specialchars( $excerpt ) . ' [...]';
2056                 $original_pagelinkedfrom = $pagelinkedfrom;
2057                 $pagelinkedfrom = $wpdb->escape( $pagelinkedfrom );
2058                 $original_title = $title;
2059
2060                 $comment_post_ID = (int) $post_ID;
2061                 $comment_author = $title;
2062                 $this->escape($comment_author);
2063                 $comment_author_url = $pagelinkedfrom;
2064                 $comment_content = $context;
2065                 $this->escape($comment_content);
2066                 $comment_type = 'pingback';
2067
2068                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_content', 'comment_type');
2069
2070                 $comment_ID = wp_new_comment($commentdata);
2071                 do_action('pingback_post', $comment_ID);
2072
2073                 return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
2074         }
2075
2076
2077         /* pingback.extensions.getPingbacks returns an array of URLs
2078         that pingbacked the given URL
2079         specs on http://www.aquarionics.com/misc/archives/blogite/0198.html */
2080         function pingback_extensions_getPingbacks($args) {
2081
2082                 global $wpdb;
2083
2084                 $this->escape($args);
2085
2086                 $url = $args;
2087
2088                 $post_ID = url_to_postid($url);
2089                 if (!$post_ID) {
2090                         // We aren't sure that the resource is available and/or pingback enabled
2091                         return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
2092                 }
2093
2094                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
2095
2096                 if (!$actual_post) {
2097                         // No such post = resource not found
2098                         return new IXR_Error(32, __('The specified target URL does not exist.'));
2099                 }
2100
2101                 $comments = $wpdb->get_results("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = $post_ID");
2102
2103                 if (!$comments) {
2104                         return array();
2105                 }
2106
2107                 $pingbacks = array();
2108                 foreach($comments as $comment) {
2109                         if ( 'pingback' == $comment->comment_type )
2110                                 $pingbacks[] = $comment->comment_author_url;
2111                 }
2112
2113                 return $pingbacks;
2114         }
2115 }
2116
2117
2118 $wp_xmlrpc_server = new wp_xmlrpc_server();
2119
2120 ?>