Wordpress 2.7.1
[autoinstalls/wordpress.git] / xmlrpc.php
1 <?php
2 /**
3  * XML-RPC protocol support for WordPress
4  *
5  * @license GPL v2 <./license.txt>
6  * @package WordPress
7  */
8
9 /**
10  * Whether this is a XMLRPC Request
11  *
12  * @var bool
13  */
14 define('XMLRPC_REQUEST', true);
15
16 // Some browser-embedded clients send cookies. We don't want them.
17 $_COOKIE = array();
18
19 // A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
20 // but we can do it ourself.
21 if ( !isset( $HTTP_RAW_POST_DATA ) ) {
22         $HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
23 }
24
25 // fix for mozBlog and other cases where '<?xml' isn't on the very first line
26 if ( isset($HTTP_RAW_POST_DATA) )
27         $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
28
29 /** Include the bootstrap for setting up WordPress environment */
30 include('./wp-load.php');
31
32 if ( isset( $_GET['rsd'] ) ) { // http://archipelago.phrasewise.com/rsd
33 header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
34 ?>
35 <?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
36 <rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
37   <service>
38     <engineName>WordPress</engineName>
39     <engineLink>http://wordpress.org/</engineLink>
40     <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
41     <apis>
42       <api name="WordPress" blogID="1" preferred="true" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
43       <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
44       <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
45       <api name="Blogger" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
46       <api name="Atom" blogID="" preferred="false" apiLink="<?php echo apply_filters('atom_service_url', site_url('wp-app.php/service') ) ?>" />
47     </apis>
48   </service>
49 </rsd>
50 <?php
51 exit;
52 }
53
54 include_once(ABSPATH . 'wp-admin/includes/admin.php');
55 include_once(ABSPATH . WPINC . '/class-IXR.php');
56
57 // Turn off all warnings and errors.
58 // error_reporting(0);
59
60 /**
61  * Posts submitted via the xmlrpc interface get that title
62  * @name post_default_title
63  * @var string
64  */
65 $post_default_title = "";
66
67 /**
68  * Whether to enable XMLRPC Logging.
69  *
70  * @name xmlrpc_logging
71  * @var int|bool
72  */
73 $xmlrpc_logging = 0;
74
75 /**
76  * logIO() - Writes logging info to a file.
77  *
78  * @uses $xmlrpc_logging
79  * @package WordPress
80  * @subpackage Logging
81  *
82  * @param string $io Whether input or output
83  * @param string $msg Information describing logging reason.
84  * @return bool Always return true
85  */
86 function logIO($io,$msg) {
87         global $xmlrpc_logging;
88         if ($xmlrpc_logging) {
89                 $fp = fopen("../xmlrpc.log","a+");
90                 $date = gmdate("Y-m-d H:i:s ");
91                 $iot = ($io == "I") ? " Input: " : " Output: ";
92                 fwrite($fp, "\n\n".$date.$iot.$msg);
93                 fclose($fp);
94         }
95         return true;
96 }
97
98 if ( isset($HTTP_RAW_POST_DATA) )
99         logIO("I", $HTTP_RAW_POST_DATA);
100
101 /**
102  * WordPress XMLRPC server implementation.
103  *
104  * Implements compatability for Blogger API, MetaWeblog API, MovableType, and
105  * pingback. Additional WordPress API for managing comments, pages, posts,
106  * options, etc.
107  *
108  * Since WordPress 2.6.0, WordPress XMLRPC server can be disabled in the
109  * administration panels.
110  *
111  * @package WordPress
112  * @subpackage Publishing
113  * @since 1.5.0
114  */
115 class wp_xmlrpc_server extends IXR_Server {
116
117         /**
118          * Register all of the XMLRPC methods that XMLRPC server understands.
119          *
120          * PHP4 constructor and sets up server and method property. Passes XMLRPC
121          * methods through the 'xmlrpc_methods' filter to allow plugins to extend
122          * or replace XMLRPC methods.
123          *
124          * @since 1.5.0
125          *
126          * @return wp_xmlrpc_server
127          */
128         function wp_xmlrpc_server() {
129                 $this->methods = array(
130                         // WordPress API
131                         'wp.getUsersBlogs'              => 'this:wp_getUsersBlogs',
132                         'wp.getPage'                    => 'this:wp_getPage',
133                         'wp.getPages'                   => 'this:wp_getPages',
134                         'wp.newPage'                    => 'this:wp_newPage',
135                         'wp.deletePage'                 => 'this:wp_deletePage',
136                         'wp.editPage'                   => 'this:wp_editPage',
137                         'wp.getPageList'                => 'this:wp_getPageList',
138                         'wp.getAuthors'                 => 'this:wp_getAuthors',
139                         'wp.getCategories'              => 'this:mw_getCategories',             // Alias
140                         'wp.getTags'                    => 'this:wp_getTags',
141                         'wp.newCategory'                => 'this:wp_newCategory',
142                         'wp.deleteCategory'             => 'this:wp_deleteCategory',
143                         'wp.suggestCategories'  => 'this:wp_suggestCategories',
144                         'wp.uploadFile'                 => 'this:mw_newMediaObject',    // Alias
145                         'wp.getCommentCount'    => 'this:wp_getCommentCount',
146                         'wp.getPostStatusList'  => 'this:wp_getPostStatusList',
147                         'wp.getPageStatusList'  => 'this:wp_getPageStatusList',
148                         'wp.getPageTemplates'   => 'this:wp_getPageTemplates',
149                         'wp.getOptions'                 => 'this:wp_getOptions',
150                         'wp.setOptions'                 => 'this:wp_setOptions',
151                         'wp.getComment'                 => 'this:wp_getComment',
152                         'wp.getComments'                => 'this:wp_getComments',
153                         'wp.deleteComment'              => 'this:wp_deleteComment',
154                         'wp.editComment'                => 'this:wp_editComment',
155                         'wp.newComment'                 => 'this:wp_newComment',
156                         'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
157
158                         // Blogger API
159                         'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
160                         'blogger.getUserInfo' => 'this:blogger_getUserInfo',
161                         'blogger.getPost' => 'this:blogger_getPost',
162                         'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
163                         'blogger.getTemplate' => 'this:blogger_getTemplate',
164                         'blogger.setTemplate' => 'this:blogger_setTemplate',
165                         'blogger.newPost' => 'this:blogger_newPost',
166                         'blogger.editPost' => 'this:blogger_editPost',
167                         'blogger.deletePost' => 'this:blogger_deletePost',
168
169                         // MetaWeblog API (with MT extensions to structs)
170                         'metaWeblog.newPost' => 'this:mw_newPost',
171                         'metaWeblog.editPost' => 'this:mw_editPost',
172                         'metaWeblog.getPost' => 'this:mw_getPost',
173                         'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
174                         'metaWeblog.getCategories' => 'this:mw_getCategories',
175                         'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',
176
177                         // MetaWeblog API aliases for Blogger API
178                         // see http://www.xmlrpc.com/stories/storyReader$2460
179                         'metaWeblog.deletePost' => 'this:blogger_deletePost',
180                         'metaWeblog.getTemplate' => 'this:blogger_getTemplate',
181                         'metaWeblog.setTemplate' => 'this:blogger_setTemplate',
182                         'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',
183
184                         // MovableType API
185                         'mt.getCategoryList' => 'this:mt_getCategoryList',
186                         'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
187                         'mt.getPostCategories' => 'this:mt_getPostCategories',
188                         'mt.setPostCategories' => 'this:mt_setPostCategories',
189                         'mt.supportedMethods' => 'this:mt_supportedMethods',
190                         'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
191                         'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
192                         'mt.publishPost' => 'this:mt_publishPost',
193
194                         // PingBack
195                         'pingback.ping' => 'this:pingback_ping',
196                         'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',
197
198                         'demo.sayHello' => 'this:sayHello',
199                         'demo.addTwoNumbers' => 'this:addTwoNumbers'
200                 );
201
202                 $this->initialise_blog_option_info( );
203                 $this->methods = apply_filters('xmlrpc_methods', $this->methods);
204                 $this->IXR_Server($this->methods);
205         }
206
207         /**
208          * Test XMLRPC API by saying, "Hello!" to client.
209          *
210          * @since 1.5.0
211          *
212          * @param array $args Method Parameters.
213          * @return string
214          */
215         function sayHello($args) {
216                 return 'Hello!';
217         }
218
219         /**
220          * Test XMLRPC API by adding two numbers for client.
221          *
222          * @since 1.5.0
223          *
224          * @param array $args Method Parameters.
225          * @return int
226          */
227         function addTwoNumbers($args) {
228                 $number1 = $args[0];
229                 $number2 = $args[1];
230                 return $number1 + $number2;
231         }
232
233         /**
234          * Check user's credentials.
235          *
236          * @since 1.5.0
237          *
238          * @param string $user_login User's username.
239          * @param string $user_pass User's password.
240          * @return bool Whether authentication passed.
241          */
242         function login_pass_ok($user_login, $user_pass) {
243                 if ( !get_option( 'enable_xmlrpc' ) ) {
244                         $this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this blog.  An admin user can enable them at %s'),  admin_url('options-writing.php') ) );
245                         return false;
246                 }
247
248                 if (!user_pass_ok($user_login, $user_pass)) {
249                         $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
250                         return false;
251                 }
252                 return true;
253         }
254
255         /**
256          * Sanitize string or array of strings for database.
257          *
258          * @since 1.5.2
259          *
260          * @param string|array $array Sanitize single string or array of strings.
261          * @return string|array Type matches $array and sanitized for the database.
262          */
263         function escape(&$array) {
264                 global $wpdb;
265
266                 if(!is_array($array)) {
267                         return($wpdb->escape($array));
268                 }
269                 else {
270                         foreach ( (array) $array as $k => $v ) {
271                                 if (is_array($v)) {
272                                         $this->escape($array[$k]);
273                                 } else if (is_object($v)) {
274                                         //skip
275                                 } else {
276                                         $array[$k] = $wpdb->escape($v);
277                                 }
278                         }
279                 }
280         }
281
282         /**
283          * Retrieve custom fields for post.
284          *
285          * @since 2.5.0
286          *
287          * @param int $post_id Post ID.
288          * @return array Custom fields, if exist.
289          */
290         function get_custom_fields($post_id) {
291                 $post_id = (int) $post_id;
292
293                 $custom_fields = array();
294
295                 foreach ( (array) has_meta($post_id) as $meta ) {
296                         // Don't expose protected fields.
297                         if ( strpos($meta['meta_key'], '_wp_') === 0 ) {
298                                 continue;
299                         }
300
301                         $custom_fields[] = array(
302                                 "id"    => $meta['meta_id'],
303                                 "key"   => $meta['meta_key'],
304                                 "value" => $meta['meta_value']
305                         );
306                 }
307
308                 return $custom_fields;
309         }
310
311         /**
312          * Set custom fields for post.
313          *
314          * @since 2.5.0
315          *
316          * @param int $post_id Post ID.
317          * @param array $fields Custom fields.
318          */
319         function set_custom_fields($post_id, $fields) {
320                 $post_id = (int) $post_id;
321
322                 foreach ( (array) $fields as $meta ) {
323                         if ( isset($meta['id']) ) {
324                                 $meta['id'] = (int) $meta['id'];
325
326                                 if ( isset($meta['key']) ) {
327                                         update_meta($meta['id'], $meta['key'], $meta['value']);
328                                 }
329                                 else {
330                                         delete_meta($meta['id']);
331                                 }
332                         }
333                         else {
334                                 $_POST['metakeyinput'] = $meta['key'];
335                                 $_POST['metavalue'] = $meta['value'];
336                                 add_meta($post_id);
337                         }
338                 }
339         }
340
341         /**
342          * Setup blog options property.
343          *
344          * Passes property through 'xmlrpc_blog_options' filter.
345          *
346          * @since 2.6.0
347          */
348         function initialise_blog_option_info( ) {
349                 global $wp_version;
350
351                 $this->blog_options = array(
352                         // Read only options
353                         'software_name'         => array(
354                                 'desc'                  => __( 'Software Name' ),
355                                 'readonly'              => true,
356                                 'value'                 => 'WordPress'
357                         ),
358                         'software_version'      => array(
359                                 'desc'                  => __( 'Software Version' ),
360                                 'readonly'              => true,
361                                 'value'                 => $wp_version
362                         ),
363                         'blog_url'                      => array(
364                                 'desc'                  => __( 'Blog URL' ),
365                                 'readonly'              => true,
366                                 'option'                => 'siteurl'
367                         ),
368
369                         // Updatable options
370                         'time_zone'                     => array(
371                                 'desc'                  => __( 'Time Zone' ),
372                                 'readonly'              => false,
373                                 'option'                => 'gmt_offset'
374                         ),
375                         'blog_title'            => array(
376                                 'desc'                  => __( 'Blog Title' ),
377                                 'readonly'              => false,
378                                 'option'                        => 'blogname'
379                         ),
380                         'blog_tagline'          => array(
381                                 'desc'                  => __( 'Blog Tagline' ),
382                                 'readonly'              => false,
383                                 'option'                => 'blogdescription'
384                         ),
385                         'date_format'           => array(
386                                 'desc'                  => __( 'Date Format' ),
387                                 'readonly'              => false,
388                                 'option'                => 'date_format'
389                         ),
390                         'time_format'           => array(
391                                 'desc'                  => __( 'Time Format' ),
392                                 'readonly'              => false,
393                                 'option'                => 'time_format'
394                         )
395                 );
396
397                 $this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
398         }
399
400         /**
401          * Retrieve the blogs of the user.
402          *
403          * @since 2.6.0
404          *
405          * @param array $args Method parameters.
406          * @return array
407          */
408         function wp_getUsersBlogs( $args ) {
409                 // If this isn't on WPMU then just use blogger_getUsersBlogs
410                 if( !function_exists( 'is_site_admin' ) ) {
411                         array_unshift( $args, 1 );
412                         return $this->blogger_getUsersBlogs( $args );
413                 }
414
415                 $this->escape( $args );
416
417                 $username = $args[0];
418                 $password = $args[1];
419
420                 if( !$this->login_pass_ok( $username, $password ) )
421                         return $this->error;
422
423                 do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
424
425                 $user = set_current_user( 0, $username );
426
427                 $blogs = (array) get_blogs_of_user( $user->ID );
428                 $struct = array( );
429
430                 foreach( $blogs as $blog ) {
431                         // Don't include blogs that aren't hosted at this site
432                         if( $blog->site_id != $current_site->id )
433                                 continue;
434
435                         $blog_id = $blog->userblog_id;
436                         switch_to_blog($blog_id);
437                         $is_admin = current_user_can('level_8');
438
439                         $struct[] = array(
440                                 'isAdmin'               => $is_admin,
441                                 'url'                   => get_option( 'home' ) . '/',
442                                 'blogid'                => $blog_id,
443                                 'blogName'              => get_option( 'blogname' ),
444                                 'xmlrpc'                => get_option( 'home' ) . '/xmlrpc.php'
445                         );
446
447                         restore_current_blog( );
448                 }
449
450                 return $struct;
451         }
452
453         /**
454          * Retrieve page.
455          *
456          * @since 2.2.0
457          *
458          * @param array $args Method parameters.
459          * @return array
460          */
461         function wp_getPage($args) {
462                 $this->escape($args);
463
464                 $blog_id        = (int) $args[0];
465                 $page_id        = (int) $args[1];
466                 $username       = $args[2];
467                 $password       = $args[3];
468
469                 if(!$this->login_pass_ok($username, $password)) {
470                         return($this->error);
471                 }
472
473                 set_current_user( 0, $username );
474                 if( !current_user_can( 'edit_page', $page_id ) )
475                         return new IXR_Error( 401, __( 'Sorry, you can not edit this page.' ) );
476
477                 do_action('xmlrpc_call', 'wp.getPage');
478
479                 // Lookup page info.
480                 $page = get_page($page_id);
481
482                 // If we found the page then format the data.
483                 if($page->ID && ($page->post_type == "page")) {
484                         // Get all of the page content and link.
485                         $full_page = get_extended($page->post_content);
486                         $link = post_permalink($page->ID);
487
488                         // Get info the page parent if there is one.
489                         $parent_title = "";
490                         if(!empty($page->post_parent)) {
491                                 $parent = get_page($page->post_parent);
492                                 $parent_title = $parent->post_title;
493                         }
494
495                         // Determine comment and ping settings.
496                         $allow_comments = ("open" == $page->comment_status) ? 1 : 0;
497                         $allow_pings = ("open" == $page->ping_status) ? 1 : 0;
498
499                         // Format page date.
500                         $page_date = mysql2date("Ymd\TH:i:s", $page->post_date);
501                         $page_date_gmt = mysql2date("Ymd\TH:i:s", $page->post_date_gmt);
502
503                         // Pull the categories info together.
504                         $categories = array();
505                         foreach(wp_get_post_categories($page->ID) as $cat_id) {
506                                 $categories[] = get_cat_name($cat_id);
507                         }
508
509                         // Get the author info.
510                         $author = get_userdata($page->post_author);
511
512                         $page_template = get_post_meta( $page->ID, '_wp_page_template', true );
513                         if( empty( $page_template ) )
514                                 $page_template = 'default';
515
516                         $page_struct = array(
517                                 "dateCreated"                   => new IXR_Date($page_date),
518                                 "userid"                                => $page->post_author,
519                                 "page_id"                               => $page->ID,
520                                 "page_status"                   => $page->post_status,
521                                 "description"                   => $full_page["main"],
522                                 "title"                                 => $page->post_title,
523                                 "link"                                  => $link,
524                                 "permaLink"                             => $link,
525                                 "categories"                    => $categories,
526                                 "excerpt"                               => $page->post_excerpt,
527                                 "text_more"                             => $full_page["extended"],
528                                 "mt_allow_comments"             => $allow_comments,
529                                 "mt_allow_pings"                => $allow_pings,
530                                 "wp_slug"                               => $page->post_name,
531                                 "wp_password"                   => $page->post_password,
532                                 "wp_author"                             => $author->display_name,
533                                 "wp_page_parent_id"             => $page->post_parent,
534                                 "wp_page_parent_title"  => $parent_title,
535                                 "wp_page_order"                 => $page->menu_order,
536                                 "wp_author_id"                  => $author->ID,
537                                 "wp_author_display_name"        => $author->display_name,
538                                 "date_created_gmt"              => new IXR_Date($page_date_gmt),
539                                 "custom_fields"                 => $this->get_custom_fields($page_id),
540                                 "wp_page_template"              => $page_template
541                         );
542
543                         return($page_struct);
544                 }
545                 // If the page doesn't exist indicate that.
546                 else {
547                         return(new IXR_Error(404, __("Sorry, no such page.")));
548                 }
549         }
550
551         /**
552          * Retrieve Pages.
553          *
554          * @since 2.2.0
555          *
556          * @param array $args Method parameters.
557          * @return array
558          */
559         function wp_getPages($args) {
560                 $this->escape($args);
561
562                 $blog_id        = (int) $args[0];
563                 $username       = $args[1];
564                 $password       = $args[2];
565                 $num_pages      = (int) $args[3];
566
567                 if(!$this->login_pass_ok($username, $password)) {
568                         return($this->error);
569                 }
570
571                 set_current_user( 0, $username );
572                 if( !current_user_can( 'edit_pages' ) )
573                         return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
574
575                 do_action('xmlrpc_call', 'wp.getPages');
576
577                 $page_limit = 10;
578                 if( isset( $num_pages ) ) {
579                         $page_limit = $num_pages;
580                 }
581
582                 $pages = get_posts( "post_type=page&post_status=all&numberposts={$page_limit}" );
583                 $num_pages = count($pages);
584
585                 // If we have pages, put together their info.
586                 if($num_pages >= 1) {
587                         $pages_struct = array();
588
589                         for($i = 0; $i < $num_pages; $i++) {
590                                 $page = wp_xmlrpc_server::wp_getPage(array(
591                                         $blog_id, $pages[$i]->ID, $username, $password
592                                 ));
593                                 $pages_struct[] = $page;
594                         }
595
596                         return($pages_struct);
597                 }
598                 // If no pages were found return an error.
599                 else {
600                         return(array());
601                 }
602         }
603
604         /**
605          * Create new page.
606          *
607          * @since 2.2.0
608          *
609          * @param array $args Method parameters.
610          * @return unknown
611          */
612         function wp_newPage($args) {
613                 // Items not escaped here will be escaped in newPost.
614                 $username       = $this->escape($args[1]);
615                 $password       = $this->escape($args[2]);
616                 $page           = $args[3];
617                 $publish        = $args[4];
618
619                 if(!$this->login_pass_ok($username, $password)) {
620                         return($this->error);
621                 }
622
623                 do_action('xmlrpc_call', 'wp.newPage');
624
625                 // Set the user context and check if they are allowed
626                 // to add new pages.
627                 $user = set_current_user(0, $username);
628                 if(!current_user_can("publish_pages")) {
629                         return(new IXR_Error(401, __("Sorry, you can not add new pages.")));
630                 }
631
632                 // Mark this as content for a page.
633                 $args[3]["post_type"] = "page";
634
635                 // Let mw_newPost do all of the heavy lifting.
636                 return($this->mw_newPost($args));
637         }
638
639         /**
640          * Delete page.
641          *
642          * @since 2.2.0
643          *
644          * @param array $args Method parameters.
645          * @return bool True, if success.
646          */
647         function wp_deletePage($args) {
648                 $this->escape($args);
649
650                 $blog_id        = (int) $args[0];
651                 $username       = $args[1];
652                 $password       = $args[2];
653                 $page_id        = (int) $args[3];
654
655                 if(!$this->login_pass_ok($username, $password)) {
656                         return($this->error);
657                 }
658
659                 do_action('xmlrpc_call', 'wp.deletePage');
660
661                 // Get the current page based on the page_id and
662                 // make sure it is a page and not a post.
663                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
664                 if(
665                         !$actual_page
666                         || ($actual_page["post_type"] != "page")
667                 ) {
668                         return(new IXR_Error(404, __("Sorry, no such page.")));
669                 }
670
671                 // Set the user context and make sure they can delete pages.
672                 set_current_user(0, $username);
673                 if(!current_user_can("delete_page", $page_id)) {
674                         return(new IXR_Error(401, __("Sorry, you do not have the right to delete this page.")));
675                 }
676
677                 // Attempt to delete the page.
678                 $result = wp_delete_post($page_id);
679                 if(!$result) {
680                         return(new IXR_Error(500, __("Failed to delete the page.")));
681                 }
682
683                 return(true);
684         }
685
686         /**
687          * Edit page.
688          *
689          * @since 2.2.0
690          *
691          * @param array $args Method parameters.
692          * @return unknown
693          */
694         function wp_editPage($args) {
695                 // Items not escaped here will be escaped in editPost.
696                 $blog_id        = (int) $args[0];
697                 $page_id        = (int) $this->escape($args[1]);
698                 $username       = $this->escape($args[2]);
699                 $password       = $this->escape($args[3]);
700                 $content        = $args[4];
701                 $publish        = $args[5];
702
703                 if(!$this->login_pass_ok($username, $password)) {
704                         return($this->error);
705                 }
706
707                 do_action('xmlrpc_call', 'wp.editPage');
708
709                 // Get the page data and make sure it is a page.
710                 $actual_page = wp_get_single_post($page_id, ARRAY_A);
711                 if(
712                         !$actual_page
713                         || ($actual_page["post_type"] != "page")
714                 ) {
715                         return(new IXR_Error(404, __("Sorry, no such page.")));
716                 }
717
718                 // Set the user context and make sure they are allowed to edit pages.
719                 set_current_user(0, $username);
720                 if(!current_user_can("edit_page", $page_id)) {
721                         return(new IXR_Error(401, __("Sorry, you do not have the right to edit this page.")));
722                 }
723
724                 // Mark this as content for a page.
725                 $content["post_type"] = "page";
726
727                 // Arrange args in the way mw_editPost understands.
728                 $args = array(
729                         $page_id,
730                         $username,
731                         $password,
732                         $content,
733                         $publish
734                 );
735
736                 // Let mw_editPost do all of the heavy lifting.
737                 return($this->mw_editPost($args));
738         }
739
740         /**
741          * Retrieve page list.
742          *
743          * @since 2.2.0
744          *
745          * @param array $args Method parameters.
746          * @return unknown
747          */
748         function wp_getPageList($args) {
749                 global $wpdb;
750
751                 $this->escape($args);
752
753                 $blog_id                                = (int) $args[0];
754                 $username                               = $args[1];
755                 $password                               = $args[2];
756
757                 if(!$this->login_pass_ok($username, $password)) {
758                         return($this->error);
759                 }
760
761                 set_current_user( 0, $username );
762                 if( !current_user_can( 'edit_pages' ) )
763                         return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
764
765                 do_action('xmlrpc_call', 'wp.getPageList');
766
767                 // Get list of pages ids and titles
768                 $page_list = $wpdb->get_results("
769                         SELECT ID page_id,
770                                 post_title page_title,
771                                 post_parent page_parent_id,
772                                 post_date_gmt,
773                                 post_date
774                         FROM {$wpdb->posts}
775                         WHERE post_type = 'page'
776                         ORDER BY ID
777                 ");
778
779                 // The date needs to be formated properly.
780                 $num_pages = count($page_list);
781                 for($i = 0; $i < $num_pages; $i++) {
782                         $post_date = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date);
783                         $post_date_gmt = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date_gmt);
784
785                         $page_list[$i]->dateCreated = new IXR_Date($post_date);
786                         $page_list[$i]->date_created_gmt = new IXR_Date($post_date_gmt);
787
788                         unset($page_list[$i]->post_date_gmt);
789                         unset($page_list[$i]->post_date);
790                 }
791
792                 return($page_list);
793         }
794
795         /**
796          * Retrieve authors list.
797          *
798          * @since 2.2.0
799          *
800          * @param array $args Method parameters.
801          * @return array
802          */
803         function wp_getAuthors($args) {
804
805                 $this->escape($args);
806
807                 $blog_id        = (int) $args[0];
808                 $username       = $args[1];
809                 $password       = $args[2];
810
811                 if(!$this->login_pass_ok($username, $password)) {
812                         return($this->error);
813                 }
814
815                 set_current_user(0, $username);
816                 if(!current_user_can("edit_posts")) {
817                         return(new IXR_Error(401, __("Sorry, you can not edit posts on this blog.")));
818                 }
819
820                 do_action('xmlrpc_call', 'wp.getAuthors');
821
822                 $authors = array();
823                 foreach( (array) get_users_of_blog() as $row ) {
824                         $authors[] = array(
825                                 "user_id"       => $row->user_id,
826                                 "user_login"    => $row->user_login,
827                                 "display_name"  => $row->display_name
828                         );
829                 }
830
831                 return($authors);
832         }
833
834         /**
835          * Get list of all tags
836          *
837          * @since 2.7
838          *
839          * @param array $args Method parameters.
840          * @return array
841          */
842         function wp_getTags( $args ) {
843                 $this->escape( $args );
844
845                 $blog_id                = (int) $args[0];
846                 $username               = $args[1];
847                 $password               = $args[2];
848
849                 if( !$this->login_pass_ok( $username, $password ) ) {
850                         return $this->error;
851                 }
852
853                 set_current_user( 0, $username );
854                 if( !current_user_can( 'edit_posts' ) ) {
855                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view tags.' ) );
856                 }
857
858                 do_action( 'xmlrpc_call', 'wp.getKeywords' );
859
860                 $tags = array( );
861
862                 if( $all_tags = get_tags( ) ) {
863                         foreach( (array) $all_tags as $tag ) {
864                                 $struct['tag_id']                       = $tag->term_id;
865                                 $struct['name']                         = $tag->name;
866                                 $struct['count']                        = $tag->count;
867                                 $struct['slug']                         = $tag->slug;
868                                 $struct['html_url']                     = wp_specialchars( get_tag_link( $tag->term_id ) );
869                                 $struct['rss_url']                      = wp_specialchars( get_tag_feed_link( $tag->term_id ) );
870
871                                 $tags[] = $struct;
872                         }
873                 }
874
875                 return $tags;
876         }
877
878         /**
879          * Create new category.
880          *
881          * @since 2.2.0
882          *
883          * @param array $args Method parameters.
884          * @return int Category ID.
885          */
886         function wp_newCategory($args) {
887                 $this->escape($args);
888
889                 $blog_id                                = (int) $args[0];
890                 $username                               = $args[1];
891                 $password                               = $args[2];
892                 $category                               = $args[3];
893
894                 if(!$this->login_pass_ok($username, $password)) {
895                         return($this->error);
896                 }
897
898                 do_action('xmlrpc_call', 'wp.newCategory');
899
900                 // Set the user context and make sure they are
901                 // allowed to add a category.
902                 set_current_user(0, $username);
903                 if(!current_user_can("manage_categories")) {
904                         return(new IXR_Error(401, __("Sorry, you do not have the right to add a category.")));
905                 }
906
907                 // If no slug was provided make it empty so that
908                 // WordPress will generate one.
909                 if(empty($category["slug"])) {
910                         $category["slug"] = "";
911                 }
912
913                 // If no parent_id was provided make it empty
914                 // so that it will be a top level page (no parent).
915                 if ( !isset($category["parent_id"]) )
916                         $category["parent_id"] = "";
917
918                 // If no description was provided make it empty.
919                 if(empty($category["description"])) {
920                         $category["description"] = "";
921                 }
922
923                 $new_category = array(
924                         "cat_name"                              => $category["name"],
925                         "category_nicename"             => $category["slug"],
926                         "category_parent"               => $category["parent_id"],
927                         "category_description"  => $category["description"]
928                 );
929
930                 $cat_id = wp_insert_category($new_category);
931                 if(!$cat_id) {
932                         return(new IXR_Error(500, __("Sorry, the new category failed.")));
933                 }
934
935                 return($cat_id);
936         }
937
938         /**
939          * Remove category.
940          *
941          * @since 2.5.0
942          *
943          * @param array $args Method parameters.
944          * @return mixed See {@link wp_delete_category()} for return info.
945          */
946         function wp_deleteCategory($args) {
947                 $this->escape($args);
948
949                 $blog_id                = (int) $args[0];
950                 $username               = $args[1];
951                 $password               = $args[2];
952                 $category_id    = (int) $args[3];
953
954                 if( !$this->login_pass_ok( $username, $password ) ) {
955                         return $this->error;
956                 }
957
958                 do_action('xmlrpc_call', 'wp.deleteCategory');
959
960                 set_current_user(0, $username);
961                 if( !current_user_can("manage_categories") ) {
962                         return new IXR_Error( 401, __( "Sorry, you do not have the right to delete a category." ) );
963                 }
964
965                 return wp_delete_category( $category_id );
966         }
967
968         /**
969          * Retrieve category list.
970          *
971          * @since 2.2.0
972          *
973          * @param array $args Method parameters.
974          * @return array
975          */
976         function wp_suggestCategories($args) {
977                 $this->escape($args);
978
979                 $blog_id                                = (int) $args[0];
980                 $username                               = $args[1];
981                 $password                               = $args[2];
982                 $category                               = $args[3];
983                 $max_results                    = (int) $args[4];
984
985                 if(!$this->login_pass_ok($username, $password)) {
986                         return($this->error);
987                 }
988
989                 set_current_user(0, $username);
990                 if( !current_user_can( 'edit_posts' ) )
991                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts to this blog in order to view categories.' ) );
992
993                 do_action('xmlrpc_call', 'wp.suggestCategories');
994
995                 $category_suggestions = array();
996                 $args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
997                 foreach ( (array) get_categories($args) as $cat ) {
998                         $category_suggestions[] = array(
999                                 "category_id"   => $cat->cat_ID,
1000                                 "category_name" => $cat->cat_name
1001                         );
1002                 }
1003
1004                 return($category_suggestions);
1005         }
1006
1007         /**
1008          * Retrieve comment.
1009          *
1010          * @since 2.7.0
1011          *
1012          * @param array $args Method parameters.
1013          * @return array
1014          */
1015         function wp_getComment($args) {
1016                 $this->escape($args);
1017
1018                 $blog_id        = (int) $args[0];
1019                 $username       = $args[1];
1020                 $password       = $args[2];
1021                 $comment_id     = (int) $args[3];
1022
1023                 if ( !$this->login_pass_ok( $username, $password ) )
1024                         return $this->error;
1025
1026                 set_current_user( 0, $username );
1027                 if ( !current_user_can( 'moderate_comments' ) )
1028                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
1029
1030                 do_action('xmlrpc_call', 'wp.getComment');
1031
1032                 if ( ! $comment = get_comment($comment_id) )
1033                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
1034
1035                 // Format page date.
1036                 $comment_date = mysql2date("Ymd\TH:i:s", $comment->comment_date);
1037                 $comment_date_gmt = mysql2date("Ymd\TH:i:s", $comment->comment_date_gmt);
1038
1039                 if ( 0 == $comment->comment_approved )
1040                         $comment_status = 'hold';
1041                 else if ( 'spam' == $comment->comment_approved )
1042                         $comment_status = 'spam';
1043                 else if ( 1 == $comment->comment_approved )
1044                         $comment_status = 'approve';
1045                 else
1046                         $comment_status = $comment->comment_approved;
1047
1048                 $link = get_comment_link($comment);
1049
1050                 $comment_struct = array(
1051                         "date_created_gmt"              => new IXR_Date($comment_date_gmt),
1052                         "user_id"                               => $comment->user_id,
1053                         "comment_id"                    => $comment->comment_ID,
1054                         "parent"                                => $comment->comment_parent,
1055                         "status"                                => $comment_status,
1056                         "content"                               => $comment->comment_content,
1057                         "link"                                  => $link,
1058                         "post_id"                               => $comment->comment_post_ID,
1059                         "post_title"                    => get_the_title($comment->comment_post_ID),
1060                         "author"                                => $comment->comment_author,
1061                         "author_url"                    => $comment->comment_author_url,
1062                         "author_email"                  => $comment->comment_author_email,
1063                         "author_ip"                             => $comment->comment_author_IP,
1064                         "type"                                  => $comment->comment_type,
1065                 );
1066
1067                 return $comment_struct;
1068         }
1069
1070         /**
1071          * Retrieve comments.
1072          *
1073          * @since 2.7.0
1074          *
1075          * @param array $args Method parameters.
1076          * @return array
1077          */
1078         function wp_getComments($args) {
1079                 $this->escape($args);
1080
1081                 $blog_id        = (int) $args[0];
1082                 $username       = $args[1];
1083                 $password       = $args[2];
1084                 $struct         = $args[3];
1085
1086                 if ( !$this->login_pass_ok($username, $password) )
1087                         return($this->error);
1088
1089                 set_current_user( 0, $username );
1090                 if ( !current_user_can( 'moderate_comments' ) )
1091                         return new IXR_Error( 401, __( 'Sorry, you can not edit comments.' ) );
1092
1093                 do_action('xmlrpc_call', 'wp.getComments');
1094
1095                 if ( isset($struct['status']) )
1096                         $status = $struct['status'];
1097                 else
1098                         $status = '';
1099
1100                 $post_id = '';
1101                 if ( isset($struct['post_id']) )
1102                         $post_id = absint($struct['post_id']);
1103
1104                 $offset = 0;
1105                 if ( isset($struct['offset']) )
1106                         $offset = absint($struct['offset']);
1107
1108                 $number = 10;
1109                 if ( isset($struct['number']) )
1110                         $number = absint($struct['number']);
1111
1112                 $comments = get_comments( array('status' => $status, 'post_id' => $post_id, 'offset' => $offset, 'number' => $number ) );
1113                 $num_comments = count($comments);
1114
1115                 if ( ! $num_comments )
1116                         return array();
1117
1118                 $comments_struct = array();
1119
1120                 for ( $i = 0; $i < $num_comments; $i++ ) {
1121                         $comment = wp_xmlrpc_server::wp_getComment(array(
1122                                 $blog_id, $username, $password, $comments[$i]->comment_ID,
1123                         ));
1124                         $comments_struct[] = $comment;
1125                 }
1126
1127                 return $comments_struct;
1128         }
1129
1130         /**
1131          * Remove comment.
1132          *
1133          * @since 2.7.0
1134          *
1135          * @param array $args Method parameters.
1136          * @return mixed {@link wp_delete_comment()}
1137          */
1138         function wp_deleteComment($args) {
1139                 $this->escape($args);
1140
1141                 $blog_id        = (int) $args[0];
1142                 $username       = $args[1];
1143                 $password       = $args[2];
1144                 $comment_ID     = (int) $args[3];
1145
1146                 if ( !$this->login_pass_ok( $username, $password ) )
1147                         return $this->error;
1148
1149                 set_current_user( 0, $username );
1150                 if ( !current_user_can( 'moderate_comments' ) )
1151                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
1152
1153                 do_action('xmlrpc_call', 'wp.deleteComment');
1154
1155                 if ( ! get_comment($comment_ID) )
1156                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
1157
1158                 return wp_delete_comment($comment_ID);
1159         }
1160
1161         /**
1162          * Edit comment.
1163          *
1164          * @since 2.7.0
1165          *
1166          * @param array $args Method parameters.
1167          * @return bool True, on success.
1168          */
1169         function wp_editComment($args) {
1170                 $this->escape($args);
1171
1172                 $blog_id        = (int) $args[0];
1173                 $username       = $args[1];
1174                 $password       = $args[2];
1175                 $comment_ID     = (int) $args[3];
1176                 $content_struct = $args[4];
1177
1178                 if ( !$this->login_pass_ok( $username, $password ) )
1179                         return $this->error;
1180
1181                 set_current_user( 0, $username );
1182                 if ( !current_user_can( 'moderate_comments' ) )
1183                         return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
1184
1185                 do_action('xmlrpc_call', 'wp.editComment');
1186
1187                 if ( ! get_comment($comment_ID) )
1188                         return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
1189
1190                 if ( isset($content_struct['status']) ) {
1191                         $statuses = get_comment_statuses();
1192                         $statuses = array_keys($statuses);
1193
1194                         if ( ! in_array($content_struct['status'], $statuses) )
1195                                 return new IXR_Error( 401, __( 'Invalid comment status.' ) );
1196                         $comment_approved = $content_struct['status'];
1197                 }
1198
1199                 // Do some timestamp voodoo
1200                 if ( !empty( $content_struct['date_created_gmt'] ) ) {
1201                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
1202                         $comment_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
1203                         $comment_date_gmt = iso8601_to_datetime($dateCreated, GMT);
1204                 }
1205
1206                 if ( isset($content_struct['content']) )
1207                         $comment_content = $content_struct['content'];
1208
1209                 if ( isset($content_struct['author']) )
1210                         $comment_author = $content_struct['author'];
1211
1212                 if ( isset($content_struct['author_url']) )
1213                         $comment_author_url = $content_struct['author_url'];
1214
1215                 if ( isset($content_struct['author_email']) )
1216                         $comment_author_email = $content_struct['author_email'];
1217
1218                 // We've got all the data -- post it:
1219                 $comment = compact('comment_ID', 'comment_content', 'comment_approved', 'comment_date', 'comment_date_gmt', 'comment_author', 'comment_author_email', 'comment_author_url');
1220
1221                 $result = wp_update_comment($comment);
1222                 if ( is_wp_error( $result ) )
1223                         return new IXR_Error(500, $result->get_error_message());
1224
1225                 if ( !$result )
1226                         return new IXR_Error(500, __('Sorry, the comment could not be edited. Something wrong happened.'));
1227
1228                 return true;
1229         }
1230
1231         /**
1232          * Create new comment.
1233          *
1234          * @since 2.7.0
1235          *
1236          * @param array $args Method parameters.
1237          * @return mixed {@link wp_new_comment()}
1238          */
1239         function wp_newComment($args) {
1240                 global $wpdb;
1241
1242                 $this->escape($args);
1243
1244                 $blog_id        = (int) $args[0];
1245                 $username       = $args[1];
1246                 $password       = $args[2];
1247                 $post           = $args[3];
1248                 $content_struct = $args[4];
1249
1250                 $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false);
1251
1252                 if ( !$this->login_pass_ok( $username, $password ) ) {
1253                         $logged_in = false;
1254                         if ( $allow_anon && get_option('comment_registration') )
1255                                 return new IXR_Error( 403, __( 'You must be registered to comment' ) );
1256                         else if ( !$allow_anon )
1257                                 return $this->error;
1258                 } else {
1259                         $logged_in = true;
1260                         set_current_user( 0, $username );
1261                 }
1262
1263                 if ( is_numeric($post) )
1264                         $post_id = absint($post);
1265                 else
1266                         $post_id = url_to_postid($post);
1267
1268                 if ( ! $post_id )
1269                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1270
1271                 if ( ! get_post($post_id) )
1272                         return new IXR_Error( 404, __( 'Invalid post ID.' ) );
1273
1274                 $comment['comment_post_ID'] = $post_id;
1275
1276                 if ( $logged_in ) {
1277                         $user = wp_get_current_user();
1278                         $comment['comment_author'] = $wpdb->escape( $user->display_name );
1279                         $comment['comment_author_email'] = $wpdb->escape( $user->user_email );
1280                         $comment['comment_author_url'] = $wpdb->escape( $user->user_url );
1281                         $comment['user_ID'] = $user->ID;
1282                 } else {
1283                         $comment['comment_author'] = '';
1284                         if ( isset($content_struct['author']) )
1285                                 $comment['comment_author'] = $content_struct['author'];
1286
1287                         $comment['comment_author_email'] = '';
1288                         if ( isset($content_struct['author_email']) )
1289                                 $comment['comment_author_email'] = $content_struct['author_email'];
1290
1291                         $comment['comment_author_url'] = '';
1292                         if ( isset($content_struct['author_url']) )
1293                                 $comment['comment_author_url'] = $content_struct['author_url'];
1294
1295                         $comment['user_ID'] = 0;
1296
1297                         if ( get_option('require_name_email') ) {
1298                                 if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
1299                                         return new IXR_Error( 403, __( 'Comment author name and email are required' ) );
1300                                 elseif ( !is_email($comment['comment_author_email']) )
1301                                         return new IXR_Error( 403, __( 'A valid email address is required' ) );
1302                         }
1303                 }
1304
1305                 $comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;
1306
1307                 $comment['comment_content'] = $content_struct['content'];
1308
1309                 do_action('xmlrpc_call', 'wp.newComment');
1310
1311                 return wp_new_comment($comment);
1312         }
1313
1314         /**
1315          * Retrieve all of the comment status.
1316          *
1317          * @since 2.7.0
1318          *
1319          * @param array $args Method parameters.
1320          * @return array
1321          */
1322         function wp_getCommentStatusList($args) {
1323                 $this->escape( $args );
1324
1325                 $blog_id        = (int) $args[0];
1326                 $username       = $args[1];
1327                 $password       = $args[2];
1328
1329                 if ( !$this->login_pass_ok( $username, $password ) )
1330                         return $this->error;
1331
1332                 set_current_user( 0, $username );
1333                 if ( !current_user_can( 'moderate_comments' ) )
1334                         return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
1335
1336                 do_action('xmlrpc_call', 'wp.getCommentStatusList');
1337
1338                 return get_comment_statuses( );
1339         }
1340
1341         /**
1342          * Retrieve comment count.
1343          *
1344          * @since 2.5.0
1345          *
1346          * @param array $args Method parameters.
1347          * @return array
1348          */
1349         function wp_getCommentCount( $args ) {
1350                 $this->escape($args);
1351
1352                 $blog_id        = (int) $args[0];
1353                 $username       = $args[1];
1354                 $password       = $args[2];
1355                 $post_id        = (int) $args[3];
1356
1357                 if( !$this->login_pass_ok( $username, $password ) ) {
1358                         return $this->error;
1359                 }
1360
1361                 set_current_user( 0, $username );
1362                 if( !current_user_can( 'edit_posts' ) ) {
1363                         return new IXR_Error( 403, __( 'You are not allowed access to details about comments.' ) );
1364                 }
1365
1366                 do_action('xmlrpc_call', 'wp.getCommentCount');
1367
1368                 $count = wp_count_comments( $post_id );
1369                 return array(
1370                         "approved" => $count->approved,
1371                         "awaiting_moderation" => $count->moderated,
1372                         "spam" => $count->spam,
1373                         "total_comments" => $count->total_comments
1374                 );
1375         }
1376
1377         /**
1378          * Retrieve post statuses.
1379          *
1380          * @since 2.5.0
1381          *
1382          * @param array $args Method parameters.
1383          * @return array
1384          */
1385         function wp_getPostStatusList( $args ) {
1386                 $this->escape( $args );
1387
1388                 $blog_id        = (int) $args[0];
1389                 $username       = $args[1];
1390                 $password       = $args[2];
1391
1392                 if( !$this->login_pass_ok( $username, $password ) ) {
1393                         return $this->error;
1394                 }
1395
1396                 set_current_user( 0, $username );
1397                 if( !current_user_can( 'edit_posts' ) ) {
1398                         return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
1399                 }
1400
1401                 do_action('xmlrpc_call', 'wp.getPostStatusList');
1402
1403                 return get_post_statuses( );
1404         }
1405
1406         /**
1407          * Retrieve page statuses.
1408          *
1409          * @since 2.5.0
1410          *
1411          * @param array $args Method parameters.
1412          * @return array
1413          */
1414         function wp_getPageStatusList( $args ) {
1415                 $this->escape( $args );
1416
1417                 $blog_id        = (int) $args[0];
1418                 $username       = $args[1];
1419                 $password       = $args[2];
1420
1421                 if( !$this->login_pass_ok( $username, $password ) ) {
1422                         return $this->error;
1423                 }
1424
1425                 set_current_user( 0, $username );
1426                 if( !current_user_can( 'edit_posts' ) ) {
1427                         return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
1428                 }
1429
1430                 do_action('xmlrpc_call', 'wp.getPageStatusList');
1431
1432                 return get_page_statuses( );
1433         }
1434
1435         /**
1436          * Retrieve page templates.
1437          *
1438          * @since 2.6.0
1439          *
1440          * @param array $args Method parameters.
1441          * @return array
1442          */
1443         function wp_getPageTemplates( $args ) {
1444                 $this->escape( $args );
1445
1446                 $blog_id        = (int) $args[0];
1447                 $username       = $args[1];
1448                 $password       = $args[2];
1449
1450                 if( !$this->login_pass_ok( $username, $password ) ) {
1451                         return $this->error;
1452                 }
1453
1454                 set_current_user( 0, $username );
1455                 if( !current_user_can( 'edit_pages' ) ) {
1456                         return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
1457                 }
1458
1459                 $templates = get_page_templates( );
1460                 $templates['Default'] = 'default';
1461
1462                 return $templates;
1463         }
1464
1465         /**
1466          * Retrieve blog options.
1467          *
1468          * @since 2.6.0
1469          *
1470          * @param array $args Method parameters.
1471          * @return array
1472          */
1473         function wp_getOptions( $args ) {
1474                 $this->escape( $args );
1475
1476                 $blog_id        = (int) $args[0];
1477                 $username       = $args[1];
1478                 $password       = $args[2];
1479                 $options        = (array) $args[3];
1480
1481                 if( !$this->login_pass_ok( $username, $password ) )
1482                         return $this->error;
1483
1484                 $user = set_current_user( 0, $username );
1485
1486                 // If no specific options where asked for, return all of them
1487                 if (count( $options ) == 0 ) {
1488                         $options = array_keys($this->blog_options);
1489                 }
1490
1491                 return $this->_getOptions($options);
1492         }
1493
1494         /**
1495          * Retrieve blog options value from list.
1496          *
1497          * @since 2.6.0
1498          *
1499          * @param array $options Options to retrieve.
1500          * @return array
1501          */
1502         function _getOptions($options)
1503         {
1504                 $data = array( );
1505                 foreach( $options as $option ) {
1506                         if( array_key_exists( $option, $this->blog_options ) )
1507                         {
1508                                 $data[$option] = $this->blog_options[$option];
1509                                 //Is the value static or dynamic?
1510                                 if( isset( $data[$option]['option'] ) ) {
1511                                         $data[$option]['value'] = get_option( $data[$option]['option'] );
1512                                         unset($data[$option]['option']);
1513                                 }
1514                         }
1515                 }
1516
1517                 return $data;
1518         }
1519
1520         /**
1521          * Update blog options.
1522          *
1523          * @since 2.6.0
1524          *
1525          * @param array $args Method parameters.
1526          * @return unknown
1527          */
1528         function wp_setOptions( $args ) {
1529                 $this->escape( $args );
1530
1531                 $blog_id        = (int) $args[0];
1532                 $username       = $args[1];
1533                 $password       = $args[2];
1534                 $options        = (array) $args[3];
1535
1536                 if( !$this->login_pass_ok( $username, $password ) )
1537                         return $this->error;
1538
1539                 $user = set_current_user( 0, $username );
1540                 if( !current_user_can( 'manage_options' ) )
1541                         return new IXR_Error( 403, __( 'You are not allowed to update options.' ) );
1542
1543                 foreach( $options as $o_name => $o_value ) {
1544                         $option_names[] = $o_name;
1545                         if( empty( $o_value ) )
1546                                 continue;
1547
1548                         if( !array_key_exists( $o_name, $this->blog_options ) )
1549                                 continue;
1550
1551                         if( $this->blog_options[$o_name]['readonly'] == true )
1552                                 continue;
1553
1554                         update_option( $this->blog_options[$o_name]['option'], $o_value );
1555                 }
1556
1557                 //Now return the updated values
1558                 return $this->_getOptions($option_names);
1559         }
1560
1561         /* Blogger API functions.
1562          * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
1563          */
1564
1565         /**
1566          * Retrieve blogs that user owns.
1567          *
1568          * Will make more sense once we support multiple blogs.
1569          *
1570          * @since 1.5.0
1571          *
1572          * @param array $args Method parameters.
1573          * @return array
1574          */
1575         function blogger_getUsersBlogs($args) {
1576
1577                 $this->escape($args);
1578
1579                 $user_login = $args[1];
1580                 $user_pass  = $args[2];
1581
1582                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1583                         return $this->error;
1584                 }
1585
1586                 do_action('xmlrpc_call', 'blogger.getUsersBlogs');
1587
1588                 set_current_user(0, $user_login);
1589                 $is_admin = current_user_can('manage_options');
1590
1591                 $struct = array(
1592                         'isAdmin'  => $is_admin,
1593                         'url'      => get_option('home') . '/',
1594                         'blogid'   => '1',
1595                         'blogName' => get_option('blogname'),
1596                         'xmlrpc'   => get_option('home') . '/xmlrpc.php',
1597                 );
1598
1599                 return array($struct);
1600         }
1601
1602         /**
1603          * Retrieve user's data.
1604          *
1605          * Gives your client some info about you, so you don't have to.
1606          *
1607          * @since 1.5.0
1608          *
1609          * @param array $args Method parameters.
1610          * @return array
1611          */
1612         function blogger_getUserInfo($args) {
1613
1614                 $this->escape($args);
1615
1616                 $user_login = $args[1];
1617                 $user_pass  = $args[2];
1618
1619                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1620                         return $this->error;
1621                 }
1622
1623                 set_current_user( 0, $user_login );
1624                 if( !current_user_can( 'edit_posts' ) )
1625                         return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this blog.' ) );
1626
1627                 do_action('xmlrpc_call', 'blogger.getUserInfo');
1628
1629                 $user_data = get_userdatabylogin($user_login);
1630
1631                 $struct = array(
1632                         'nickname'  => $user_data->nickname,
1633                         'userid'    => $user_data->ID,
1634                         'url'       => $user_data->user_url,
1635                         'lastname'  => $user_data->last_name,
1636                         'firstname' => $user_data->first_name
1637                 );
1638
1639                 return $struct;
1640         }
1641
1642         /**
1643          * Retrieve post.
1644          *
1645          * @since 1.5.0
1646          *
1647          * @param array $args Method parameters.
1648          * @return array
1649          */
1650         function blogger_getPost($args) {
1651
1652                 $this->escape($args);
1653
1654                 $post_ID    = (int) $args[1];
1655                 $user_login = $args[2];
1656                 $user_pass  = $args[3];
1657
1658                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1659                         return $this->error;
1660                 }
1661
1662                 set_current_user( 0, $user_login );
1663                 if( !current_user_can( 'edit_post', $post_ID ) )
1664                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
1665
1666                 do_action('xmlrpc_call', 'blogger.getPost');
1667
1668                 $post_data = wp_get_single_post($post_ID, ARRAY_A);
1669
1670                 $categories = implode(',', wp_get_post_categories($post_ID));
1671
1672                 $content  = '<title>'.stripslashes($post_data['post_title']).'</title>';
1673                 $content .= '<category>'.$categories.'</category>';
1674                 $content .= stripslashes($post_data['post_content']);
1675
1676                 $struct = array(
1677                         'userid'    => $post_data['post_author'],
1678                         'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'])),
1679                         'content'     => $content,
1680                         'postid'  => $post_data['ID']
1681                 );
1682
1683                 return $struct;
1684         }
1685
1686         /**
1687          * Retrieve list of recent posts.
1688          *
1689          * @since 1.5.0
1690          *
1691          * @param array $args Method parameters.
1692          * @return array
1693          */
1694         function blogger_getRecentPosts($args) {
1695
1696                 $this->escape($args);
1697
1698                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
1699                 $user_login = $args[2];
1700                 $user_pass  = $args[3];
1701                 $num_posts  = $args[4];
1702
1703                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1704                         return $this->error;
1705                 }
1706
1707                 do_action('xmlrpc_call', 'blogger.getRecentPosts');
1708
1709                 $posts_list = wp_get_recent_posts($num_posts);
1710
1711                 set_current_user( 0, $user_login );
1712
1713                 if (!$posts_list) {
1714                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
1715                         return $this->error;
1716                 }
1717
1718                 foreach ($posts_list as $entry) {
1719                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
1720                                 continue;
1721
1722                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
1723                         $categories = implode(',', wp_get_post_categories($entry['ID']));
1724
1725                         $content  = '<title>'.stripslashes($entry['post_title']).'</title>';
1726                         $content .= '<category>'.$categories.'</category>';
1727                         $content .= stripslashes($entry['post_content']);
1728
1729                         $struct[] = array(
1730                                 'userid' => $entry['post_author'],
1731                                 'dateCreated' => new IXR_Date($post_date),
1732                                 'content' => $content,
1733                                 'postid' => $entry['ID'],
1734                         );
1735
1736                 }
1737
1738                 $recent_posts = array();
1739                 for ($j=0; $j<count($struct); $j++) {
1740                         array_push($recent_posts, $struct[$j]);
1741                 }
1742
1743                 return $recent_posts;
1744         }
1745
1746         /**
1747          * Retrieve blog_filename content.
1748          *
1749          * @since 1.5.0
1750          *
1751          * @param array $args Method parameters.
1752          * @return string
1753          */
1754         function blogger_getTemplate($args) {
1755
1756                 $this->escape($args);
1757
1758                 $blog_ID    = (int) $args[1];
1759                 $user_login = $args[2];
1760                 $user_pass  = $args[3];
1761                 $template   = $args[4]; /* could be 'main' or 'archiveIndex', but we don't use it */
1762
1763                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1764                         return $this->error;
1765                 }
1766
1767                 do_action('xmlrpc_call', 'blogger.getTemplate');
1768
1769                 set_current_user(0, $user_login);
1770                 if ( !current_user_can('edit_themes') ) {
1771                         return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
1772                 }
1773
1774                 /* warning: here we make the assumption that the blog's URL is on the same server */
1775                 $filename = get_option('home') . '/';
1776                 $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
1777
1778                 $f = fopen($filename, 'r');
1779                 $content = fread($f, filesize($filename));
1780                 fclose($f);
1781
1782                 /* so it is actually editable with a windows/mac client */
1783                 // 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);
1784
1785                 return $content;
1786         }
1787
1788         /**
1789          * Updates the content of blog_filename.
1790          *
1791          * @since 1.5.0
1792          *
1793          * @param array $args Method parameters.
1794          * @return bool True when done.
1795          */
1796         function blogger_setTemplate($args) {
1797
1798                 $this->escape($args);
1799
1800                 $blog_ID    = (int) $args[1];
1801                 $user_login = $args[2];
1802                 $user_pass  = $args[3];
1803                 $content    = $args[4];
1804                 $template   = $args[5]; /* could be 'main' or 'archiveIndex', but we don't use it */
1805
1806                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1807                         return $this->error;
1808                 }
1809
1810                 do_action('xmlrpc_call', 'blogger.setTemplate');
1811
1812                 set_current_user(0, $user_login);
1813                 if ( !current_user_can('edit_themes') ) {
1814                         return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
1815                 }
1816
1817                 /* warning: here we make the assumption that the blog's URL is on the same server */
1818                 $filename = get_option('home') . '/';
1819                 $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
1820
1821                 if ($f = fopen($filename, 'w+')) {
1822                         fwrite($f, $content);
1823                         fclose($f);
1824                 } else {
1825                         return new IXR_Error(500, __('Either the file is not writable, or something wrong happened. The file has not been updated.'));
1826                 }
1827
1828                 return true;
1829         }
1830
1831         /**
1832          * Create new post.
1833          *
1834          * @since 1.5.0
1835          *
1836          * @param array $args Method parameters.
1837          * @return int
1838          */
1839         function blogger_newPost($args) {
1840
1841                 $this->escape($args);
1842
1843                 $blog_ID    = (int) $args[1]; /* though we don't use it yet */
1844                 $user_login = $args[2];
1845                 $user_pass  = $args[3];
1846                 $content    = $args[4];
1847                 $publish    = $args[5];
1848
1849                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1850                         return $this->error;
1851                 }
1852
1853                 do_action('xmlrpc_call', 'blogger.newPost');
1854
1855                 $cap = ($publish) ? 'publish_posts' : 'edit_posts';
1856                 $user = set_current_user(0, $user_login);
1857                 if ( !current_user_can($cap) )
1858                         return new IXR_Error(401, __('Sorry, you are not allowed to post on this blog.'));
1859
1860                 $post_status = ($publish) ? 'publish' : 'draft';
1861
1862                 $post_author = $user->ID;
1863
1864                 $post_title = xmlrpc_getposttitle($content);
1865                 $post_category = xmlrpc_getpostcategory($content);
1866                 $post_content = xmlrpc_removepostdata($content);
1867
1868                 $post_date = current_time('mysql');
1869                 $post_date_gmt = current_time('mysql', 1);
1870
1871                 $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');
1872
1873                 $post_ID = wp_insert_post($post_data);
1874                 if ( is_wp_error( $post_ID ) )
1875                         return new IXR_Error(500, $post_ID->get_error_message());
1876
1877                 if (!$post_ID)
1878                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
1879
1880                 $this->attach_uploads( $post_ID, $post_content );
1881
1882                 logIO('O', "Posted ! ID: $post_ID");
1883
1884                 return $post_ID;
1885         }
1886
1887         /**
1888          * Edit a post.
1889          *
1890          * @since 1.5.0
1891          *
1892          * @param array $args Method parameters.
1893          * @return bool true when done.
1894          */
1895         function blogger_editPost($args) {
1896
1897                 $this->escape($args);
1898
1899                 $post_ID     = (int) $args[1];
1900                 $user_login  = $args[2];
1901                 $user_pass   = $args[3];
1902                 $content     = $args[4];
1903                 $publish     = $args[5];
1904
1905                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1906                         return $this->error;
1907                 }
1908
1909                 do_action('xmlrpc_call', 'blogger.editPost');
1910
1911                 $actual_post = wp_get_single_post($post_ID,ARRAY_A);
1912
1913                 if (!$actual_post || $actual_post['post_type'] != 'post') {
1914                         return new IXR_Error(404, __('Sorry, no such post.'));
1915                 }
1916
1917                 $this->escape($actual_post);
1918
1919                 set_current_user(0, $user_login);
1920                 if ( !current_user_can('edit_post', $post_ID) )
1921                         return new IXR_Error(401, __('Sorry, you do not have the right to edit this post.'));
1922
1923                 extract($actual_post, EXTR_SKIP);
1924
1925                 if ( ('publish' == $post_status) && !current_user_can('publish_posts') )
1926                         return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
1927
1928                 $post_title = xmlrpc_getposttitle($content);
1929                 $post_category = xmlrpc_getpostcategory($content);
1930                 $post_content = xmlrpc_removepostdata($content);
1931
1932                 $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt');
1933
1934                 $result = wp_update_post($postdata);
1935
1936                 if (!$result) {
1937                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
1938                 }
1939                 $this->attach_uploads( $ID, $post_content );
1940
1941                 return true;
1942         }
1943
1944         /**
1945          * Remove a post.
1946          *
1947          * @since 1.5.0
1948          *
1949          * @param array $args Method parameters.
1950          * @return bool True when post is deleted.
1951          */
1952         function blogger_deletePost($args) {
1953                 $this->escape($args);
1954
1955                 $post_ID     = (int) $args[1];
1956                 $user_login  = $args[2];
1957                 $user_pass   = $args[3];
1958                 $publish     = $args[4];
1959
1960                 if (!$this->login_pass_ok($user_login, $user_pass)) {
1961                         return $this->error;
1962                 }
1963
1964                 do_action('xmlrpc_call', 'blogger.deletePost');
1965
1966                 $actual_post = wp_get_single_post($post_ID,ARRAY_A);
1967
1968                 if (!$actual_post || $actual_post['post_type'] != 'post') {
1969                         return new IXR_Error(404, __('Sorry, no such post.'));
1970                 }
1971
1972                 set_current_user(0, $user_login);
1973                 if ( !current_user_can('edit_post', $post_ID) )
1974                         return new IXR_Error(401, __('Sorry, you do not have the right to delete this post.'));
1975
1976                 $result = wp_delete_post($post_ID);
1977
1978                 if (!$result) {
1979                         return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
1980                 }
1981
1982                 return true;
1983         }
1984
1985         /* MetaWeblog API functions
1986          * specs on wherever Dave Winer wants them to be
1987          */
1988
1989         /**
1990          * Create a new post.
1991          *
1992          * @since 1.5.0
1993          *
1994          * @param array $args Method parameters.
1995          * @return int
1996          */
1997         function mw_newPost($args) {
1998                 $this->escape($args);
1999
2000                 $blog_ID     = (int) $args[0]; // we will support this in the near future
2001                 $user_login  = $args[1];
2002                 $user_pass   = $args[2];
2003                 $content_struct = $args[3];
2004                 $publish     = $args[4];
2005
2006                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2007                         return $this->error;
2008                 }
2009                 $user = set_current_user(0, $user_login);
2010
2011                 do_action('xmlrpc_call', 'metaWeblog.newPost');
2012
2013                 $cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
2014                 $error_message = __( 'Sorry, you are not allowed to publish posts on this blog.' );
2015                 $post_type = 'post';
2016                 $page_template = '';
2017                 if( !empty( $content_struct['post_type'] ) ) {
2018                         if( $content_struct['post_type'] == 'page' ) {
2019                                 $cap = ( $publish ) ? 'publish_pages' : 'edit_pages';
2020                                 $error_message = __( 'Sorry, you are not allowed to publish pages on this blog.' );
2021                                 $post_type = 'page';
2022                                 if( !empty( $content_struct['wp_page_template'] ) )
2023                                         $page_template = $content_struct['wp_page_template'];
2024                         }
2025                         elseif( $content_struct['post_type'] == 'post' ) {
2026                                 // This is the default, no changes needed
2027                         }
2028                         else {
2029                                 // No other post_type values are allowed here
2030                                 return new IXR_Error( 401, __( 'Invalid post type.' ) );
2031                         }
2032                 }
2033
2034                 if( !current_user_can( $cap ) ) {
2035                         return new IXR_Error( 401, $error_message );
2036                 }
2037
2038                 // Let WordPress generate the post_name (slug) unless
2039                 // one has been provided.
2040                 $post_name = "";
2041                 if(isset($content_struct["wp_slug"])) {
2042                         $post_name = $content_struct["wp_slug"];
2043                 }
2044
2045                 // Only use a password if one was given.
2046                 if(isset($content_struct["wp_password"])) {
2047                         $post_password = $content_struct["wp_password"];
2048                 }
2049
2050                 // Only set a post parent if one was provided.
2051                 if(isset($content_struct["wp_page_parent_id"])) {
2052                         $post_parent = $content_struct["wp_page_parent_id"];
2053                 }
2054
2055                 // Only set the menu_order if it was provided.
2056                 if(isset($content_struct["wp_page_order"])) {
2057                         $menu_order = $content_struct["wp_page_order"];
2058                 }
2059
2060                 $post_author = $user->ID;
2061
2062                 // If an author id was provided then use it instead.
2063                 if(
2064                         isset($content_struct["wp_author_id"])
2065                         && ($user->ID != $content_struct["wp_author_id"])
2066                 ) {
2067                         switch($post_type) {
2068                                 case "post":
2069                                         if(!current_user_can("edit_others_posts")) {
2070                                                 return(new IXR_Error(401, __("You are not allowed to post as this user")));
2071                                         }
2072                                         break;
2073                                 case "page":
2074                                         if(!current_user_can("edit_others_pages")) {
2075                                                 return(new IXR_Error(401, __("You are not allowed to create pages as this user")));
2076                                         }
2077                                         break;
2078                                 default:
2079                                         return(new IXR_Error(401, __("Invalid post type.")));
2080                                         break;
2081                         }
2082                         $post_author = $content_struct["wp_author_id"];
2083                 }
2084
2085                 $post_title = $content_struct['title'];
2086                 $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
2087
2088                 $post_status = $publish ? 'publish' : 'draft';
2089
2090                 if( isset( $content_struct["{$post_type}_status"] ) ) {
2091                         switch( $content_struct["{$post_type}_status"] ) {
2092                                 case 'draft':
2093                                 case 'private':
2094                                 case 'publish':
2095                                         $post_status = $content_struct["{$post_type}_status"];
2096                                         break;
2097                                 case 'pending':
2098                                         // Pending is only valid for posts, not pages.
2099                                         if( $post_type === 'post' ) {
2100                                                 $post_status = $content_struct["{$post_type}_status"];
2101                                         }
2102                                         break;
2103                                 default:
2104                                         $post_status = $publish ? 'publish' : 'draft';
2105                                         break;
2106                         }
2107                 }
2108
2109                 $post_excerpt = $content_struct['mt_excerpt'];
2110                 $post_more = $content_struct['mt_text_more'];
2111
2112                 $tags_input = $content_struct['mt_keywords'];
2113
2114                 if(isset($content_struct["mt_allow_comments"])) {
2115                         if(!is_numeric($content_struct["mt_allow_comments"])) {
2116                                 switch($content_struct["mt_allow_comments"]) {
2117                                         case "closed":
2118                                                 $comment_status = "closed";
2119                                                 break;
2120                                         case "open":
2121                                                 $comment_status = "open";
2122                                                 break;
2123                                         default:
2124                                                 $comment_status = get_option("default_comment_status");
2125                                                 break;
2126                                 }
2127                         }
2128                         else {
2129                                 switch((int) $content_struct["mt_allow_comments"]) {
2130                                         case 0:
2131                                         case 2:
2132                                                 $comment_status = "closed";
2133                                                 break;
2134                                         case 1:
2135                                                 $comment_status = "open";
2136                                                 break;
2137                                         default:
2138                                                 $comment_status = get_option("default_comment_status");
2139                                                 break;
2140                                 }
2141                         }
2142                 }
2143                 else {
2144                         $comment_status = get_option("default_comment_status");
2145                 }
2146
2147                 if(isset($content_struct["mt_allow_pings"])) {
2148                         if(!is_numeric($content_struct["mt_allow_pings"])) {
2149                                 switch($content_struct['mt_allow_pings']) {
2150                                         case "closed":
2151                                                 $ping_status = "closed";
2152                                                 break;
2153                                         case "open":
2154                                                 $ping_status = "open";
2155                                                 break;
2156                                         default:
2157                                                 $ping_status = get_option("default_ping_status");
2158                                                 break;
2159                                 }
2160                         }
2161                         else {
2162                                 switch((int) $content_struct["mt_allow_pings"]) {
2163                                         case 0:
2164                                                 $ping_status = "closed";
2165                                                 break;
2166                                         case 1:
2167                                                 $ping_status = "open";
2168                                                 break;
2169                                         default:
2170                                                 $ping_status = get_option("default_ping_status");
2171                                                 break;
2172                                 }
2173                         }
2174                 }
2175                 else {
2176                         $ping_status = get_option("default_ping_status");
2177                 }
2178
2179                 if ($post_more) {
2180                         $post_content = $post_content . "<!--more-->" . $post_more;
2181                 }
2182
2183                 $to_ping = $content_struct['mt_tb_ping_urls'];
2184                 if ( is_array($to_ping) )
2185                         $to_ping = implode(' ', $to_ping);
2186
2187                 // Do some timestamp voodoo
2188                 if ( !empty( $content_struct['date_created_gmt'] ) )
2189                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
2190                 elseif ( !empty( $content_struct['dateCreated']) )
2191                         $dateCreated = $content_struct['dateCreated']->getIso();
2192
2193                 if ( !empty( $dateCreated ) ) {
2194                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
2195                         $post_date_gmt = iso8601_to_datetime($dateCreated, GMT);
2196                 } else {
2197                         $post_date = current_time('mysql');
2198                         $post_date_gmt = current_time('mysql', 1);
2199                 }
2200
2201                 $catnames = $content_struct['categories'];
2202                 logIO('O', 'Post cats: ' . var_export($catnames,true));
2203                 $post_category = array();
2204
2205                 if (is_array($catnames)) {
2206                         foreach ($catnames as $cat) {
2207                                 $post_category[] = get_cat_ID($cat);
2208                         }
2209                 }
2210
2211                 // We've got all the data -- post it:
2212                 $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'to_ping', 'post_type', 'post_name', 'post_password', 'post_parent', 'menu_order', 'tags_input', 'page_template');
2213
2214                 $post_ID = wp_insert_post($postdata, true);
2215                 if ( is_wp_error( $post_ID ) )
2216                         return new IXR_Error(500, $post_ID->get_error_message());
2217
2218                 if (!$post_ID) {
2219                         return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
2220                 }
2221
2222                 if ( isset($content_struct['custom_fields']) ) {
2223                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
2224                 }
2225
2226                 // Handle enclosures
2227                 $enclosure = $content_struct['enclosure'];
2228                 if( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
2229                         add_post_meta( $post_ID, 'enclosure', $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] );
2230                 }
2231
2232                 $this->attach_uploads( $post_ID, $post_content );
2233
2234                 logIO('O', "Posted ! ID: $post_ID");
2235
2236                 return strval($post_ID);
2237         }
2238
2239         /**
2240          * Attach upload to a post.
2241          *
2242          * @since 2.1.0
2243          *
2244          * @param int $post_ID Post ID.
2245          * @param string $post_content Post Content for attachment.
2246          */
2247         function attach_uploads( $post_ID, $post_content ) {
2248                 global $wpdb;
2249
2250                 // find any unattached files
2251                 $attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '-1' AND post_type = 'attachment'" );
2252                 if( is_array( $attachments ) ) {
2253                         foreach( $attachments as $file ) {
2254                                 if( strpos( $post_content, $file->guid ) !== false ) {
2255                                         $wpdb->query( $wpdb->prepare("UPDATE {$wpdb->posts} SET post_parent = %d WHERE ID = %d", $post_ID, $file->ID) );
2256                                 }
2257                         }
2258                 }
2259         }
2260
2261         /**
2262          * Edit a post.
2263          *
2264          * @since 1.5.0
2265          *
2266          * @param array $args Method parameters.
2267          * @return bool True on success.
2268          */
2269         function mw_editPost($args) {
2270
2271                 $this->escape($args);
2272
2273                 $post_ID     = (int) $args[0];
2274                 $user_login  = $args[1];
2275                 $user_pass   = $args[2];
2276                 $content_struct = $args[3];
2277                 $publish     = $args[4];
2278
2279                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2280                         return $this->error;
2281                 }
2282                 $user = set_current_user(0, $user_login);
2283
2284                 do_action('xmlrpc_call', 'metaWeblog.editPost');
2285
2286                 $cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
2287                 $error_message = __( 'Sorry, you are not allowed to publish posts on this blog.' );
2288                 $post_type = 'post';
2289                 $page_template = '';
2290                 if( !empty( $content_struct['post_type'] ) ) {
2291                         if( $content_struct['post_type'] == 'page' ) {
2292                                 $cap = ( $publish ) ? 'publish_pages' : 'edit_pages';
2293                                 $error_message = __( 'Sorry, you are not allowed to publish pages on this blog.' );
2294                                 $post_type = 'page';
2295                                 if( !empty( $content_struct['wp_page_template'] ) )
2296                                         $page_template = $content_struct['wp_page_template'];
2297                         }
2298                         elseif( $content_struct['post_type'] == 'post' ) {
2299                                 // This is the default, no changes needed
2300                         }
2301                         else {
2302                                 // No other post_type values are allowed here
2303                                 return new IXR_Error( 401, __( 'Invalid post type.' ) );
2304                         }
2305                 }
2306
2307                 if( !current_user_can( $cap ) ) {
2308                         return new IXR_Error( 401, $error_message );
2309                 }
2310
2311                 $postdata = wp_get_single_post($post_ID, ARRAY_A);
2312
2313                 // If there is no post data for the give post id, stop
2314                 // now and return an error.  Other wise a new post will be
2315                 // created (which was the old behavior).
2316                 if(empty($postdata["ID"])) {
2317                         return(new IXR_Error(404, __("Invalid post id.")));
2318                 }
2319
2320                 $this->escape($postdata);
2321                 extract($postdata, EXTR_SKIP);
2322
2323                 // Let WordPress manage slug if none was provided.
2324                 $post_name = "";
2325                 if(isset($content_struct["wp_slug"])) {
2326                         $post_name = $content_struct["wp_slug"];
2327                 }
2328
2329                 // Only use a password if one was given.
2330                 if(isset($content_struct["wp_password"])) {
2331                         $post_password = $content_struct["wp_password"];
2332                 }
2333
2334                 // Only set a post parent if one was given.
2335                 if(isset($content_struct["wp_page_parent_id"])) {
2336                         $post_parent = $content_struct["wp_page_parent_id"];
2337                 }
2338
2339                 // Only set the menu_order if it was given.
2340                 if(isset($content_struct["wp_page_order"])) {
2341                         $menu_order = $content_struct["wp_page_order"];
2342                 }
2343
2344                 $post_author = $postdata["post_author"];
2345
2346                 // Only set the post_author if one is set.
2347                 if(
2348                         isset($content_struct["wp_author_id"])
2349                         && ($user->ID != $content_struct["wp_author_id"])
2350                 ) {
2351                         switch($post_type) {
2352                                 case "post":
2353                                         if(!current_user_can("edit_others_posts")) {
2354                                                 return(new IXR_Error(401, __("You are not allowed to change the post author as this user.")));
2355                                         }
2356                                         break;
2357                                 case "page":
2358                                         if(!current_user_can("edit_others_pages")) {
2359                                                 return(new IXR_Error(401, __("You are not allowed to change the page author as this user.")));
2360                                         }
2361                                         break;
2362                                 default:
2363                                         return(new IXR_Error(401, __("Invalid post type.")));
2364                                         break;
2365                         }
2366                         $post_author = $content_struct["wp_author_id"];
2367                 }
2368
2369                 if(isset($content_struct["mt_allow_comments"])) {
2370                         if(!is_numeric($content_struct["mt_allow_comments"])) {
2371                                 switch($content_struct["mt_allow_comments"]) {
2372                                         case "closed":
2373                                                 $comment_status = "closed";
2374                                                 break;
2375                                         case "open":
2376                                                 $comment_status = "open";
2377                                                 break;
2378                                         default:
2379                                                 $comment_status = get_option("default_comment_status");
2380                                                 break;
2381                                 }
2382                         }
2383                         else {
2384                                 switch((int) $content_struct["mt_allow_comments"]) {
2385                                         case 0:
2386                                         case 2:
2387                                                 $comment_status = "closed";
2388                                                 break;
2389                                         case 1:
2390                                                 $comment_status = "open";
2391                                                 break;
2392                                         default:
2393                                                 $comment_status = get_option("default_comment_status");
2394                                                 break;
2395                                 }
2396                         }
2397                 }
2398
2399                 if(isset($content_struct["mt_allow_pings"])) {
2400                         if(!is_numeric($content_struct["mt_allow_pings"])) {
2401                                 switch($content_struct["mt_allow_pings"]) {
2402                                         case "closed":
2403                                                 $ping_status = "closed";
2404                                                 break;
2405                                         case "open":
2406                                                 $ping_status = "open";
2407                                                 break;
2408                                         default:
2409                                                 $ping_status = get_option("default_ping_status");
2410                                                 break;
2411                                 }
2412                         }
2413                         else {
2414                                 switch((int) $content_struct["mt_allow_pings"]) {
2415                                         case 0:
2416                                                 $ping_status = "closed";
2417                                                 break;
2418                                         case 1:
2419                                                 $ping_status = "open";
2420                                                 break;
2421                                         default:
2422                                                 $ping_status = get_option("default_ping_status");
2423                                                 break;
2424                                 }
2425                         }
2426                 }
2427
2428                 $post_title = $content_struct['title'];
2429                 $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
2430                 $catnames = $content_struct['categories'];
2431
2432                 $post_category = array();
2433
2434                 if (is_array($catnames)) {
2435                         foreach ($catnames as $cat) {
2436                                 $post_category[] = get_cat_ID($cat);
2437                         }
2438                 }
2439
2440                 $post_excerpt = $content_struct['mt_excerpt'];
2441                 $post_more = $content_struct['mt_text_more'];
2442
2443                 $post_status = $publish ? 'publish' : 'draft';
2444                 if( isset( $content_struct["{$post_type}_status"] ) ) {
2445                         switch( $content_struct["{$post_type}_status"] ) {
2446                                 case 'draft':
2447                                 case 'private':
2448                                 case 'publish':
2449                                         $post_status = $content_struct["{$post_type}_status"];
2450                                         break;
2451                                 case 'pending':
2452                                         // Pending is only valid for posts, not pages.
2453                                         if( $post_type === 'post' ) {
2454                                                 $post_status = $content_struct["{$post_type}_status"];
2455                                         }
2456                                         break;
2457                                 default:
2458                                         $post_status = $publish ? 'publish' : 'draft';
2459                                         break;
2460                         }
2461                 }
2462
2463                 $tags_input = $content_struct['mt_keywords'];
2464
2465                 if ( ('publish' == $post_status) ) {
2466                         if ( ( 'page' == $post_type ) && !current_user_can('publish_pages') )
2467                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this page.'));
2468                         else if ( !current_user_can('publish_posts') )
2469                                 return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
2470                 }
2471
2472                 if ($post_more) {
2473                         $post_content = $post_content . "<!--more-->" . $post_more;
2474                 }
2475
2476                 $to_ping = $content_struct['mt_tb_ping_urls'];
2477                 if ( is_array($to_ping) )
2478                         $to_ping = implode(' ', $to_ping);
2479
2480                 // Do some timestamp voodoo
2481                 if ( !empty( $content_struct['date_created_gmt'] ) )
2482                         $dateCreated = str_replace( 'Z', '', $content_struct['date_created_gmt']->getIso() ) . 'Z'; // We know this is supposed to be GMT, so we're going to slap that Z on there by force
2483                 elseif ( !empty( $content_struct['dateCreated']) )
2484                         $dateCreated = $content_struct['dateCreated']->getIso();
2485
2486                 if ( !empty( $dateCreated ) ) {
2487                         $post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
2488                         $post_date_gmt = iso8601_to_datetime($dateCreated, GMT);
2489                 } else {
2490                         $post_date     = $postdata['post_date'];
2491                         $post_date_gmt = $postdata['post_date_gmt'];
2492                 }
2493
2494                 // We've got all the data -- post it:
2495                 $newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template');
2496
2497                 $result = wp_update_post($newpost, true);
2498                 if ( is_wp_error( $result ) )
2499                         return new IXR_Error(500, $result->get_error_message());
2500
2501                 if (!$result) {
2502                         return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
2503                 }
2504
2505                 if ( isset($content_struct['custom_fields']) ) {
2506                         $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
2507                 }
2508
2509                 // Handle enclosures
2510                 $enclosure = $content_struct['enclosure'];
2511                 if( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
2512                         add_post_meta( $post_ID, 'enclosure', $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] );
2513                 }
2514
2515                 $this->attach_uploads( $ID, $post_content );
2516
2517                 logIO('O',"(MW) Edited ! ID: $post_ID");
2518
2519                 return true;
2520         }
2521
2522         /**
2523          * Retrieve post.
2524          *
2525          * @since 1.5.0
2526          *
2527          * @param array $args Method parameters.
2528          * @return array
2529          */
2530         function mw_getPost($args) {
2531
2532                 $this->escape($args);
2533
2534                 $post_ID     = (int) $args[0];
2535                 $user_login  = $args[1];
2536                 $user_pass   = $args[2];
2537
2538                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2539                         return $this->error;
2540                 }
2541
2542                 set_current_user( 0, $user_login );
2543                 if( !current_user_can( 'edit_post', $post_ID ) )
2544                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
2545
2546                 do_action('xmlrpc_call', 'metaWeblog.getPost');
2547
2548                 $postdata = wp_get_single_post($post_ID, ARRAY_A);
2549
2550                 if ($postdata['post_date'] != '') {
2551                         $post_date = mysql2date('Ymd\TH:i:s', $postdata['post_date']);
2552                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $postdata['post_date_gmt']);
2553
2554                         $categories = array();
2555                         $catids = wp_get_post_categories($post_ID);
2556                         foreach($catids as $catid)
2557                                 $categories[] = get_cat_name($catid);
2558
2559                         $tagnames = array();
2560                         $tags = wp_get_post_tags( $post_ID );
2561                         if ( !empty( $tags ) ) {
2562                                 foreach ( $tags as $tag )
2563                                         $tagnames[] = $tag->name;
2564                                 $tagnames = implode( ', ', $tagnames );
2565                         } else {
2566                                 $tagnames = '';
2567                         }
2568
2569                         $post = get_extended($postdata['post_content']);
2570                         $link = post_permalink($postdata['ID']);
2571
2572                         // Get the author info.
2573                         $author = get_userdata($postdata['post_author']);
2574
2575                         $allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
2576                         $allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;
2577
2578                         // Consider future posts as published
2579                         if( $postdata['post_status'] === 'future' ) {
2580                                 $postdata['post_status'] = 'publish';
2581                         }
2582
2583                         $enclosure = array();
2584                         foreach ( (array) get_post_custom($post_ID) as $key => $val) {
2585                                 if ($key == 'enclosure') {
2586                                         foreach ( (array) $val as $enc ) {
2587                                                 $encdata = split("\n", $enc);
2588                                                 $enclosure['url'] = trim(htmlspecialchars($encdata[0]));
2589                                                 $enclosure['length'] = trim($encdata[1]);
2590                                                 $enclosure['type'] = trim($encdata[2]);
2591                                                 break 2;
2592                                         }
2593                                 }
2594                         }
2595
2596                         $resp = array(
2597                                 'dateCreated' => new IXR_Date($post_date),
2598                                 'userid' => $postdata['post_author'],
2599                                 'postid' => $postdata['ID'],
2600                                 'description' => $post['main'],
2601                                 'title' => $postdata['post_title'],
2602                                 'link' => $link,
2603                                 'permaLink' => $link,
2604                                 // commented out because no other tool seems to use this
2605                                 //            'content' => $entry['post_content'],
2606                                 'categories' => $categories,
2607                                 'mt_excerpt' => $postdata['post_excerpt'],
2608                                 'mt_text_more' => $post['extended'],
2609                                 'mt_allow_comments' => $allow_comments,
2610                                 'mt_allow_pings' => $allow_pings,
2611                                 'mt_keywords' => $tagnames,
2612                                 'wp_slug' => $postdata['post_name'],
2613                                 'wp_password' => $postdata['post_password'],
2614                                 'wp_author_id' => $author->ID,
2615                                 'wp_author_display_name'        => $author->display_name,
2616                                 'date_created_gmt' => new IXR_Date($post_date_gmt),
2617                                 'post_status' => $postdata['post_status'],
2618                                 'custom_fields' => $this->get_custom_fields($post_ID)
2619                         );
2620
2621                         if (!empty($enclosure)) $resp['enclosure'] = $enclosure;
2622
2623                         return $resp;
2624                 } else {
2625                         return new IXR_Error(404, __('Sorry, no such post.'));
2626                 }
2627         }
2628
2629         /**
2630          * Retrieve list of recent posts.
2631          *
2632          * @since 1.5.0
2633          *
2634          * @param array $args Method parameters.
2635          * @return array
2636          */
2637         function mw_getRecentPosts($args) {
2638
2639                 $this->escape($args);
2640
2641                 $blog_ID     = (int) $args[0];
2642                 $user_login  = $args[1];
2643                 $user_pass   = $args[2];
2644                 $num_posts   = (int) $args[3];
2645
2646                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2647                         return $this->error;
2648                 }
2649
2650                 do_action('xmlrpc_call', 'metaWeblog.getRecentPosts');
2651
2652                 $posts_list = wp_get_recent_posts($num_posts);
2653
2654                 if (!$posts_list) {
2655                         return array( );
2656                 }
2657
2658                 set_current_user( 0, $user_login );
2659
2660                 foreach ($posts_list as $entry) {
2661                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
2662                                 continue;
2663
2664                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
2665                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
2666
2667                         $categories = array();
2668                         $catids = wp_get_post_categories($entry['ID']);
2669                         foreach($catids as $catid) {
2670                                 $categories[] = get_cat_name($catid);
2671                         }
2672
2673                         $tagnames = array();
2674                         $tags = wp_get_post_tags( $entry['ID'] );
2675                         if ( !empty( $tags ) ) {
2676                                 foreach ( $tags as $tag ) {
2677                                         $tagnames[] = $tag->name;
2678                                 }
2679                                 $tagnames = implode( ', ', $tagnames );
2680                         } else {
2681                                 $tagnames = '';
2682                         }
2683
2684                         $post = get_extended($entry['post_content']);
2685                         $link = post_permalink($entry['ID']);
2686
2687                         // Get the post author info.
2688                         $author = get_userdata($entry['post_author']);
2689
2690                         $allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
2691                         $allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;
2692
2693                         // Consider future posts as published
2694                         if( $entry['post_status'] === 'future' ) {
2695                                 $entry['post_status'] = 'publish';
2696                         }
2697
2698                         $struct[] = array(
2699                                 'dateCreated' => new IXR_Date($post_date),
2700                                 'userid' => $entry['post_author'],
2701                                 'postid' => $entry['ID'],
2702                                 'description' => $post['main'],
2703                                 'title' => $entry['post_title'],
2704                                 'link' => $link,
2705                                 'permaLink' => $link,
2706                                 // commented out because no other tool seems to use this
2707                                 // 'content' => $entry['post_content'],
2708                                 'categories' => $categories,
2709                                 'mt_excerpt' => $entry['post_excerpt'],
2710                                 'mt_text_more' => $post['extended'],
2711                                 'mt_allow_comments' => $allow_comments,
2712                                 'mt_allow_pings' => $allow_pings,
2713                                 'mt_keywords' => $tagnames,
2714                                 'wp_slug' => $entry['post_name'],
2715                                 'wp_password' => $entry['post_password'],
2716                                 'wp_author_id' => $author->ID,
2717                                 'wp_author_display_name' => $author->display_name,
2718                                 'date_created_gmt' => new IXR_Date($post_date_gmt),
2719                                 'post_status' => $entry['post_status'],
2720                                 'custom_fields' => $this->get_custom_fields($entry['ID'])
2721                         );
2722
2723                 }
2724
2725                 $recent_posts = array();
2726                 for ($j=0; $j<count($struct); $j++) {
2727                         array_push($recent_posts, $struct[$j]);
2728                 }
2729
2730                 return $recent_posts;
2731         }
2732
2733         /**
2734          * Retrieve the list of categories on a given blog.
2735          *
2736          * @since 1.5.0
2737          *
2738          * @param array $args Method parameters.
2739          * @return array
2740          */
2741         function mw_getCategories($args) {
2742
2743                 $this->escape($args);
2744
2745                 $blog_ID     = (int) $args[0];
2746                 $user_login  = $args[1];
2747                 $user_pass   = $args[2];
2748
2749                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2750                         return $this->error;
2751                 }
2752
2753                 set_current_user( 0, $user_login );
2754                 if( !current_user_can( 'edit_posts' ) )
2755                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
2756
2757                 do_action('xmlrpc_call', 'metaWeblog.getCategories');
2758
2759                 $categories_struct = array();
2760
2761                 if ( $cats = get_categories('get=all') ) {
2762                         foreach ( $cats as $cat ) {
2763                                 $struct['categoryId'] = $cat->term_id;
2764                                 $struct['parentId'] = $cat->parent;
2765                                 $struct['description'] = $cat->name;
2766                                 $struct['categoryDescription'] = $cat->description;
2767                                 $struct['categoryName'] = $cat->name;
2768                                 $struct['htmlUrl'] = wp_specialchars(get_category_link($cat->term_id));
2769                                 $struct['rssUrl'] = wp_specialchars(get_category_feed_link($cat->term_id, 'rss2'));
2770
2771                                 $categories_struct[] = $struct;
2772                         }
2773                 }
2774
2775                 return $categories_struct;
2776         }
2777
2778         /**
2779          * Uploads a file, following your settings.
2780          *
2781          * Adapted from a patch by Johann Richard.
2782          *
2783          * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
2784          *
2785          * @since 1.5.0
2786          *
2787          * @param array $args Method parameters.
2788          * @return array
2789          */
2790         function mw_newMediaObject($args) {
2791                 global $wpdb;
2792
2793                 $blog_ID     = (int) $args[0];
2794                 $user_login  = $wpdb->escape($args[1]);
2795                 $user_pass   = $wpdb->escape($args[2]);
2796                 $data        = $args[3];
2797
2798                 $name = sanitize_file_name( $data['name'] );
2799                 $type = $data['type'];
2800                 $bits = $data['bits'];
2801
2802                 logIO('O', '(MW) Received '.strlen($bits).' bytes');
2803
2804                 if ( !$this->login_pass_ok($user_login, $user_pass) )
2805                         return $this->error;
2806
2807                 do_action('xmlrpc_call', 'metaWeblog.newMediaObject');
2808
2809                 set_current_user(0, $user_login);
2810                 if ( !current_user_can('upload_files') ) {
2811                         logIO('O', '(MW) User does not have upload_files capability');
2812                         $this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
2813                         return $this->error;
2814                 }
2815
2816                 if ( $upload_err = apply_filters( "pre_upload_error", false ) )
2817                         return new IXR_Error(500, $upload_err);
2818
2819                 if(!empty($data["overwrite"]) && ($data["overwrite"] == true)) {
2820                         // Get postmeta info on the object.
2821                         $old_file = $wpdb->get_row("
2822                                 SELECT ID
2823                                 FROM {$wpdb->posts}
2824                                 WHERE post_title = '{$name}'
2825                                         AND post_type = 'attachment'
2826                         ");
2827
2828                         // Delete previous file.
2829                         wp_delete_attachment($old_file->ID);
2830
2831                         // Make sure the new name is different by pre-pending the
2832                         // previous post id.
2833                         $filename = preg_replace("/^wpid\d+-/", "", $name);
2834                         $name = "wpid{$old_file->ID}-{$filename}";
2835                 }
2836
2837                 $upload = wp_upload_bits($name, $type, $bits);
2838                 if ( ! empty($upload['error']) ) {
2839                         $errorString = sprintf(__('Could not write file %1$s (%2$s)'), $name, $upload['error']);
2840                         logIO('O', '(MW) ' . $errorString);
2841                         return new IXR_Error(500, $errorString);
2842                 }
2843                 // Construct the attachment array
2844                 // attach to post_id -1
2845                 $post_id = -1;
2846                 $attachment = array(
2847                         'post_title' => $name,
2848                         'post_content' => '',
2849                         'post_type' => 'attachment',
2850                         'post_parent' => $post_id,
2851                         'post_mime_type' => $type,
2852                         'guid' => $upload[ 'url' ]
2853                 );
2854
2855                 // Save the data
2856                 $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
2857                 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
2858
2859                 return apply_filters( 'wp_handle_upload', array( 'file' => $name, 'url' => $upload[ 'url' ], 'type' => $type ) );
2860         }
2861
2862         /* MovableType API functions
2863          * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
2864          */
2865
2866         /**
2867          * Retrieve the post titles of recent posts.
2868          *
2869          * @since 1.5.0
2870          *
2871          * @param array $args Method parameters.
2872          * @return array
2873          */
2874         function mt_getRecentPostTitles($args) {
2875
2876                 $this->escape($args);
2877
2878                 $blog_ID     = (int) $args[0];
2879                 $user_login  = $args[1];
2880                 $user_pass   = $args[2];
2881                 $num_posts   = (int) $args[3];
2882
2883                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2884                         return $this->error;
2885                 }
2886
2887                 do_action('xmlrpc_call', 'mt.getRecentPostTitles');
2888
2889                 $posts_list = wp_get_recent_posts($num_posts);
2890
2891                 if (!$posts_list) {
2892                         $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
2893                         return $this->error;
2894                 }
2895
2896                 set_current_user( 0, $user_login );
2897
2898                 foreach ($posts_list as $entry) {
2899                         if( !current_user_can( 'edit_post', $entry['ID'] ) )
2900                                 continue;
2901
2902                         $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
2903                         $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
2904
2905                         $struct[] = array(
2906                                 'dateCreated' => new IXR_Date($post_date),
2907                                 'userid' => $entry['post_author'],
2908                                 'postid' => $entry['ID'],
2909                                 'title' => $entry['post_title'],
2910                                 'date_created_gmt' => new IXR_Date($post_date_gmt)
2911                         );
2912
2913                 }
2914
2915                 $recent_posts = array();
2916                 for ($j=0; $j<count($struct); $j++) {
2917                         array_push($recent_posts, $struct[$j]);
2918                 }
2919
2920                 return $recent_posts;
2921         }
2922
2923         /**
2924          * Retrieve list of all categories on blog.
2925          *
2926          * @since 1.5.0
2927          *
2928          * @param array $args Method parameters.
2929          * @return array
2930          */
2931         function mt_getCategoryList($args) {
2932
2933                 $this->escape($args);
2934
2935                 $blog_ID     = (int) $args[0];
2936                 $user_login  = $args[1];
2937                 $user_pass   = $args[2];
2938
2939                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2940                         return $this->error;
2941                 }
2942
2943                 set_current_user( 0, $user_login );
2944                 if( !current_user_can( 'edit_posts' ) )
2945                         return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
2946
2947                 do_action('xmlrpc_call', 'mt.getCategoryList');
2948
2949                 $categories_struct = array();
2950
2951                 if ( $cats = get_categories('hide_empty=0&hierarchical=0') ) {
2952                         foreach ($cats as $cat) {
2953                                 $struct['categoryId'] = $cat->term_id;
2954                                 $struct['categoryName'] = $cat->name;
2955
2956                                 $categories_struct[] = $struct;
2957                         }
2958                 }
2959
2960                 return $categories_struct;
2961         }
2962
2963         /**
2964          * Retrieve post categories.
2965          *
2966          * @since 1.5.0
2967          *
2968          * @param array $args Method parameters.
2969          * @return array
2970          */
2971         function mt_getPostCategories($args) {
2972
2973                 $this->escape($args);
2974
2975                 $post_ID     = (int) $args[0];
2976                 $user_login  = $args[1];
2977                 $user_pass   = $args[2];
2978
2979                 if (!$this->login_pass_ok($user_login, $user_pass)) {
2980                         return $this->error;
2981                 }
2982
2983                 set_current_user( 0, $user_login );
2984                 if( !current_user_can( 'edit_post', $post_ID ) )
2985                         return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
2986
2987                 do_action('xmlrpc_call', 'mt.getPostCategories');
2988
2989                 $categories = array();
2990                 $catids = wp_get_post_categories(intval($post_ID));
2991                 // first listed category will be the primary category
2992                 $isPrimary = true;
2993                 foreach($catids as $catid) {
2994                         $categories[] = array(
2995                                 'categoryName' => get_cat_name($catid),
2996                                 'categoryId' => (string) $catid,
2997                                 'isPrimary' => $isPrimary
2998                         );
2999                         $isPrimary = false;
3000                 }
3001
3002                 return $categories;
3003         }
3004
3005         /**
3006          * Sets categories for a post.
3007          *
3008          * @since 1.5.0
3009          *
3010          * @param array $args Method parameters.
3011          * @return bool True on success.
3012          */
3013         function mt_setPostCategories($args) {
3014
3015                 $this->escape($args);
3016
3017                 $post_ID     = (int) $args[0];
3018                 $user_login  = $args[1];
3019                 $user_pass   = $args[2];
3020                 $categories  = $args[3];
3021
3022                 if (!$this->login_pass_ok($user_login, $user_pass)) {
3023                         return $this->error;
3024                 }
3025
3026                 do_action('xmlrpc_call', 'mt.setPostCategories');
3027
3028                 set_current_user(0, $user_login);
3029                 if ( !current_user_can('edit_post', $post_ID) )
3030                         return new IXR_Error(401, __('Sorry, you can not edit this post.'));
3031
3032                 foreach($categories as $cat) {
3033                         $catids[] = $cat['categoryId'];
3034                 }
3035
3036                 wp_set_post_categories($post_ID, $catids);
3037
3038                 return true;
3039         }
3040
3041         /**
3042          * Retrieve an array of methods supported by this server.
3043          *
3044          * @since 1.5.0
3045          *
3046          * @param array $args Method parameters.
3047          * @return array
3048          */
3049         function mt_supportedMethods($args) {
3050
3051                 do_action('xmlrpc_call', 'mt.supportedMethods');
3052
3053                 $supported_methods = array();
3054                 foreach($this->methods as $key=>$value) {
3055                         $supported_methods[] = $key;
3056                 }
3057
3058                 return $supported_methods;
3059         }
3060
3061         /**
3062          * Retrieve an empty array because we don't support per-post text filters.
3063          *
3064          * @since 1.5.0
3065          *
3066          * @param array $args Method parameters.
3067          */
3068         function mt_supportedTextFilters($args) {
3069                 do_action('xmlrpc_call', 'mt.supportedTextFilters');
3070                 return apply_filters('xmlrpc_text_filters', array());
3071         }
3072
3073         /**
3074          * Retrieve trackbacks sent to a given post.
3075          *
3076          * @since 1.5.0
3077          *
3078          * @param array $args Method parameters.
3079          * @return mixed
3080          */
3081         function mt_getTrackbackPings($args) {
3082
3083                 global $wpdb;
3084
3085                 $post_ID = intval($args);
3086
3087                 do_action('xmlrpc_call', 'mt.getTrackbackPings');
3088
3089                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
3090
3091                 if (!$actual_post) {
3092                         return new IXR_Error(404, __('Sorry, no such post.'));
3093                 }
3094
3095                 $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
3096
3097                 if (!$comments) {
3098                         return array();
3099                 }
3100
3101                 $trackback_pings = array();
3102                 foreach($comments as $comment) {
3103                         if ( 'trackback' == $comment->comment_type ) {
3104                                 $content = $comment->comment_content;
3105                                 $title = substr($content, 8, (strpos($content, '</strong>') - 8));
3106                                 $trackback_pings[] = array(
3107                                         'pingTitle' => $title,
3108                                         'pingURL'   => $comment->comment_author_url,
3109                                         'pingIP'    => $comment->comment_author_IP
3110                                 );
3111                 }
3112                 }
3113
3114                 return $trackback_pings;
3115         }
3116
3117         /**
3118          * Sets a post's publish status to 'publish'.
3119          *
3120          * @since 1.5.0
3121          *
3122          * @param array $args Method parameters.
3123          * @return int
3124          */
3125         function mt_publishPost($args) {
3126
3127                 $this->escape($args);
3128
3129                 $post_ID     = (int) $args[0];
3130                 $user_login  = $args[1];
3131                 $user_pass   = $args[2];
3132
3133                 if (!$this->login_pass_ok($user_login, $user_pass)) {
3134                         return $this->error;
3135                 }
3136
3137                 do_action('xmlrpc_call', 'mt.publishPost');
3138
3139                 set_current_user(0, $user_login);
3140                 if ( !current_user_can('edit_post', $post_ID) )
3141                         return new IXR_Error(401, __('Sorry, you can not edit this post.'));
3142
3143                 $postdata = wp_get_single_post($post_ID,ARRAY_A);
3144
3145                 $postdata['post_status'] = 'publish';
3146
3147                 // retain old cats
3148                 $cats = wp_get_post_categories($post_ID);
3149                 $postdata['post_category'] = $cats;
3150                 $this->escape($postdata);
3151
3152                 $result = wp_update_post($postdata);
3153
3154                 return $result;
3155         }
3156
3157         /* PingBack functions
3158          * specs on www.hixie.ch/specs/pingback/pingback
3159          */
3160
3161         /**
3162          * Retrieves a pingback and registers it.
3163          *
3164          * @since 1.5.0
3165          *
3166          * @param array $args Method parameters.
3167          * @return array
3168          */
3169         function pingback_ping($args) {
3170                 global $wpdb;
3171
3172                 do_action('xmlrpc_call', 'pingback.ping');
3173
3174                 $this->escape($args);
3175
3176                 $pagelinkedfrom = $args[0];
3177                 $pagelinkedto   = $args[1];
3178
3179                 $title = '';
3180
3181                 $pagelinkedfrom = str_replace('&amp;', '&', $pagelinkedfrom);
3182                 $pagelinkedto = str_replace('&amp;', '&', $pagelinkedto);
3183                 $pagelinkedto = str_replace('&', '&amp;', $pagelinkedto);
3184
3185                 // Check if the page linked to is in our site
3186                 $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
3187                 if( !$pos1 )
3188                         return new IXR_Error(0, __('Is there no link to us?'));
3189
3190                 // let's find which post is linked to
3191                 // FIXME: does url_to_postid() cover all these cases already?
3192                 //        if so, then let's use it and drop the old code.
3193                 $urltest = parse_url($pagelinkedto);
3194                 if ($post_ID = url_to_postid($pagelinkedto)) {
3195                         $way = 'url_to_postid()';
3196                 } elseif (preg_match('#p/[0-9]{1,}#', $urltest['path'], $match)) {
3197                         // the path defines the post_ID (archives/p/XXXX)
3198                         $blah = explode('/', $match[0]);
3199                         $post_ID = (int) $blah[1];
3200                         $way = 'from the path';
3201                 } elseif (preg_match('#p=[0-9]{1,}#', $urltest['query'], $match)) {
3202                         // the querystring defines the post_ID (?p=XXXX)
3203                         $blah = explode('=', $match[0]);
3204                         $post_ID = (int) $blah[1];
3205                         $way = 'from the querystring';
3206                 } elseif (isset($urltest['fragment'])) {
3207                         // an #anchor is there, it's either...
3208                         if (intval($urltest['fragment'])) {
3209                                 // ...an integer #XXXX (simpliest case)
3210                                 $post_ID = (int) $urltest['fragment'];
3211                                 $way = 'from the fragment (numeric)';
3212                         } elseif (preg_match('/post-[0-9]+/',$urltest['fragment'])) {
3213                                 // ...a post id in the form 'post-###'
3214                                 $post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
3215                                 $way = 'from the fragment (post-###)';
3216                         } elseif (is_string($urltest['fragment'])) {
3217                                 // ...or a string #title, a little more complicated
3218                                 $title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
3219                                 $sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", $title);
3220                                 if (! ($post_ID = $wpdb->get_var($sql)) ) {
3221                                         // returning unknown error '0' is better than die()ing
3222                                         return new IXR_Error(0, '');
3223                                 }
3224                                 $way = 'from the fragment (title)';
3225                         }
3226                 } else {
3227                         // TODO: Attempt to extract a post ID from the given URL
3228                         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.'));
3229                 }
3230                 $post_ID = (int) $post_ID;
3231
3232
3233                 logIO("O","(PB) URL='$pagelinkedto' ID='$post_ID' Found='$way'");
3234
3235                 $post = get_post($post_ID);
3236
3237                 if ( !$post ) // Post_ID not found
3238                         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.'));
3239
3240                 if ( $post_ID == url_to_postid($pagelinkedfrom) )
3241                         return new IXR_Error(0, __('The source URL and the target URL cannot both point to the same resource.'));
3242
3243                 // Check if pings are on
3244                 if ( !pings_open($post) )
3245                         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.'));
3246
3247                 // Let's check that the remote site didn't already pingback this entry
3248                 $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) );
3249
3250                 if ( $wpdb->num_rows ) // We already have a Pingback from this URL
3251                         return new IXR_Error(48, __('The pingback has already been registered.'));
3252
3253                 // very stupid, but gives time to the 'from' server to publish !
3254                 sleep(1);
3255
3256                 // Let's check the remote site
3257                 $linea = wp_remote_fopen( $pagelinkedfrom );
3258                 if ( !$linea )
3259                         return new IXR_Error(16, __('The source URL does not exist.'));
3260
3261                 $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto);
3262
3263                 // Work around bug in strip_tags():
3264                 $linea = str_replace('<!DOC', '<DOC', $linea);
3265                 $linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces
3266                 $linea = preg_replace( "/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );
3267
3268                 preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);
3269                 $title = $matchtitle[1];
3270                 if ( empty( $title ) )
3271                         return new IXR_Error(32, __('We cannot find a title on that page.'));
3272
3273                 $linea = strip_tags( $linea, '<a>' ); // just keep the tag we need
3274
3275                 $p = explode( "\n\n", $linea );
3276
3277                 $preg_target = preg_quote($pagelinkedto);
3278
3279                 foreach ( $p as $para ) {
3280                         if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
3281                                 preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);
3282
3283                                 // If the URL isn't in a link context, keep looking
3284                                 if ( empty($context) )
3285                                         continue;
3286
3287                                 // We're going to use this fake tag to mark the context in a bit
3288                                 // the marker is needed in case the link text appears more than once in the paragraph
3289                                 $excerpt = preg_replace('|\</?wpcontext\>|', '', $para);
3290
3291                                 // prevent really long link text
3292                                 if ( strlen($context[1]) > 100 )
3293                                         $context[1] = substr($context[1], 0, 100) . '...';
3294
3295                                 $marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
3296                                 $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
3297                                 $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
3298                                 $excerpt = trim($excerpt);
3299                                 $preg_marker = preg_quote($marker);
3300                                 $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
3301                                 $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
3302                                 break;
3303                         }
3304                 }
3305
3306                 if ( empty($context) ) // Link to target not found
3307                         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.'));
3308
3309                 $pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
3310
3311                 $context = '[...] ' . wp_specialchars( $excerpt ) . ' [...]';
3312                 $pagelinkedfrom = $wpdb->escape( $pagelinkedfrom );
3313
3314                 $comment_post_ID = (int) $post_ID;
3315                 $comment_author = $title;
3316                 $this->escape($comment_author);
3317                 $comment_author_url = $pagelinkedfrom;
3318                 $comment_content = $context;
3319                 $this->escape($comment_content);
3320                 $comment_type = 'pingback';
3321
3322                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_content', 'comment_type');
3323
3324                 $comment_ID = wp_new_comment($commentdata);
3325                 do_action('pingback_post', $comment_ID);
3326
3327                 return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
3328         }
3329
3330         /**
3331          * Retrieve array of URLs that pingbacked the given URL.
3332          *
3333          * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
3334          *
3335          * @since 1.5.0
3336          *
3337          * @param array $args Method parameters.
3338          * @return array
3339          */
3340         function pingback_extensions_getPingbacks($args) {
3341
3342                 global $wpdb;
3343
3344                 do_action('xmlrpc_call', 'pingback.extensions.getPingsbacks');
3345
3346                 $this->escape($args);
3347
3348                 $url = $args;
3349
3350                 $post_ID = url_to_postid($url);
3351                 if (!$post_ID) {
3352                         // We aren't sure that the resource is available and/or pingback enabled
3353                         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.'));
3354                 }
3355
3356                 $actual_post = wp_get_single_post($post_ID, ARRAY_A);
3357
3358                 if (!$actual_post) {
3359                         // No such post = resource not found
3360                         return new IXR_Error(32, __('The specified target URL does not exist.'));
3361                 }
3362
3363                 $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
3364
3365                 if (!$comments) {
3366                         return array();
3367                 }
3368
3369                 $pingbacks = array();
3370                 foreach($comments as $comment) {
3371                         if ( 'pingback' == $comment->comment_type )
3372                                 $pingbacks[] = $comment->comment_author_url;
3373                 }
3374
3375                 return $pingbacks;
3376         }
3377 }
3378
3379 $wp_xmlrpc_server = new wp_xmlrpc_server();
3380
3381 ?>