]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - xmlrpc.php
Wordpress 2.8.2
[autoinstalls/wordpress.git] / xmlrpc.php
index e52e454658db0d73444ecfac6db3ea8560bb8503..e8d8a2e8357e0f6afed587789fd51c0594fd38b4 100644 (file)
@@ -39,11 +39,11 @@ header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
     <engineLink>http://wordpress.org/</engineLink>
     <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
     <apis>
-      <api name="WordPress" blogID="1" preferred="true" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
-      <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
-      <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
-      <api name="Blogger" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php') ?>" />
-      <api name="Atom" blogID="" preferred="false" apiLink="<?php echo apply_filters('atom_service_url', site_url('wp-app.php/service') ) ?>" />
+      <api name="WordPress" blogID="1" preferred="true" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="Blogger" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="Atom" blogID="" preferred="false" apiLink="<?php echo apply_filters('atom_service_url', site_url('wp-app.php/service', 'rpc') ) ?>" />
     </apis>
   </service>
 </rsd>
@@ -99,14 +99,32 @@ if ( isset($HTTP_RAW_POST_DATA) )
        logIO("I", $HTTP_RAW_POST_DATA);
 
 /**
- * @internal
- * Left undocumented to work on later. If you want to finish, then please do so.
+ * WordPress XMLRPC server implementation.
+ *
+ * Implements compatability for Blogger API, MetaWeblog API, MovableType, and
+ * pingback. Additional WordPress API for managing comments, pages, posts,
+ * options, etc.
+ *
+ * Since WordPress 2.6.0, WordPress XMLRPC server can be disabled in the
+ * administration panels.
  *
  * @package WordPress
  * @subpackage Publishing
+ * @since 1.5.0
  */
 class wp_xmlrpc_server extends IXR_Server {
 
+       /**
+        * Register all of the XMLRPC methods that XMLRPC server understands.
+        *
+        * PHP4 constructor and sets up server and method property. Passes XMLRPC
+        * methods through the 'xmlrpc_methods' filter to allow plugins to extend
+        * or replace XMLRPC methods.
+        *
+        * @since 1.5.0
+        *
+        * @return wp_xmlrpc_server
+        */
        function wp_xmlrpc_server() {
                $this->methods = array(
                        // WordPress API
@@ -119,6 +137,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        'wp.getPageList'                => 'this:wp_getPageList',
                        'wp.getAuthors'                 => 'this:wp_getAuthors',
                        'wp.getCategories'              => 'this:mw_getCategories',             // Alias
+                       'wp.getTags'                    => 'this:wp_getTags',
                        'wp.newCategory'                => 'this:wp_newCategory',
                        'wp.deleteCategory'             => 'this:wp_deleteCategory',
                        'wp.suggestCategories'  => 'this:wp_suggestCategories',
@@ -129,6 +148,12 @@ class wp_xmlrpc_server extends IXR_Server {
                        'wp.getPageTemplates'   => 'this:wp_getPageTemplates',
                        'wp.getOptions'                 => 'this:wp_getOptions',
                        'wp.setOptions'                 => 'this:wp_setOptions',
+                       'wp.getComment'                 => 'this:wp_getComment',
+                       'wp.getComments'                => 'this:wp_getComments',
+                       'wp.deleteComment'              => 'this:wp_deleteComment',
+                       'wp.editComment'                => 'this:wp_editComment',
+                       'wp.newComment'                 => 'this:wp_newComment',
+                       'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
 
                        // Blogger API
                        'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
@@ -179,16 +204,43 @@ class wp_xmlrpc_server extends IXR_Server {
                $this->IXR_Server($this->methods);
        }
 
+       /**
+        * Test XMLRPC API by saying, "Hello!" to client.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method Parameters.
+        * @return string
+        */
        function sayHello($args) {
                return 'Hello!';
        }
 
+       /**
+        * Test XMLRPC API by adding two numbers for client.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method Parameters.
+        * @return int
+        */
        function addTwoNumbers($args) {
                $number1 = $args[0];
                $number2 = $args[1];
                return $number1 + $number2;
        }
 
+       /**
+        * Check user's credentials.
+        *
+        * @since 1.5.0
+        *
+        * @param string $user_login User's username.
+        * @param string $user_pass User's password.
+        * @return bool Whether authentication passed.
+        * @deprecated use wp_xmlrpc_server::login
+        * @see wp_xmlrpc_server::login
+        */
        function login_pass_ok($user_login, $user_pass) {
                if ( !get_option( 'enable_xmlrpc' ) ) {
                        $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') ) );
@@ -202,6 +254,40 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
+       /**
+        * Log user in.
+        *
+        * @since 2.8
+        *
+        * @param string $username User's username.
+        * @param string $password User's password.
+        * @return mixed WP_User object if authentication passed, false otherwise
+        */
+       function login($username, $password) {
+               if ( !get_option( 'enable_xmlrpc' ) ) {
+                       $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') ) );
+                       return false;
+               }
+
+               $user = wp_authenticate($username, $password);
+
+               if (is_wp_error($user)) {
+                       $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
+                       return false;
+               }
+
+               set_current_user( $user->ID );
+               return $user;
+       }
+
+       /**
+        * Sanitize string or array of strings for database.
+        *
+        * @since 1.5.2
+        *
+        * @param string|array $array Sanitize single string or array of strings.
+        * @return string|array Type matches $array and sanitized for the database.
+        */
        function escape(&$array) {
                global $wpdb;
 
@@ -221,6 +307,14 @@ class wp_xmlrpc_server extends IXR_Server {
                }
        }
 
+       /**
+        * Retrieve custom fields for post.
+        *
+        * @since 2.5.0
+        *
+        * @param int $post_id Post ID.
+        * @return array Custom fields, if exist.
+        */
        function get_custom_fields($post_id) {
                $post_id = (int) $post_id;
 
@@ -242,6 +336,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return $custom_fields;
        }
 
+       /**
+        * Set custom fields for post.
+        *
+        * @since 2.5.0
+        *
+        * @param int $post_id Post ID.
+        * @param array $fields Custom fields.
+        */
        function set_custom_fields($post_id, $fields) {
                $post_id = (int) $post_id;
 
@@ -264,6 +366,13 @@ class wp_xmlrpc_server extends IXR_Server {
                }
        }
 
+       /**
+        * Setup blog options property.
+        *
+        * Passes property through 'xmlrpc_blog_options' filter.
+        *
+        * @since 2.6.0
+        */
        function initialise_blog_option_info( ) {
                global $wp_version;
 
@@ -317,8 +426,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getUsersBlogs
+        * Retrieve the blogs of the user.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_getUsersBlogs( $args ) {
                // If this isn't on WPMU then just use blogger_getUsersBlogs
@@ -332,19 +445,18 @@ class wp_xmlrpc_server extends IXR_Server {
                $username = $args[0];
                $password = $args[1];
 
-               if( !$this->login_pass_ok( $username, $password ) )
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
+               }
 
                do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
 
-               $user = set_current_user( 0, $username );
-
                $blogs = (array) get_blogs_of_user( $user->ID );
                $struct = array( );
 
                foreach( $blogs as $blog ) {
                        // Don't include blogs that aren't hosted at this site
-                       if( $blog->site_id != 1 )
+                       if( $blog->site_id != $current_site->id )
                                continue;
 
                        $blog_id = $blog->userblog_id;
@@ -356,16 +468,22 @@ class wp_xmlrpc_server extends IXR_Server {
                                'url'                   => get_option( 'home' ) . '/',
                                'blogid'                => $blog_id,
                                'blogName'              => get_option( 'blogname' ),
-                               'xmlrpc'                => get_option( 'home' ) . '/xmlrpc.php'
+                               'xmlrpc'                => site_url( 'xmlrpc.php' )
                        );
+
+                       restore_current_blog( );
                }
 
                return $struct;
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getPage
+        * Retrieve page.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_getPage($args) {
                $this->escape($args);
@@ -375,13 +493,12 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[2];
                $password       = $args[3];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_page', $page_id ) )
-                       return new IXR_Error( 401, __( 'Sorry, you can not edit this page.' ) );
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit this page.' ) );
 
                do_action('xmlrpc_call', 'wp.getPage');
 
@@ -402,12 +519,12 @@ class wp_xmlrpc_server extends IXR_Server {
                        }
 
                        // Determine comment and ping settings.
-                       $allow_comments = ("open" == $page->comment_status) ? 1 : 0;
-                       $allow_pings = ("open" == $page->ping_status) ? 1 : 0;
+                       $allow_comments = comments_open($page->ID) ? 1 : 0;
+                       $allow_pings = pings_open($page->ID) ? 1 : 0;
 
                        // Format page date.
-                       $page_date = mysql2date("Ymd\TH:i:s", $page->post_date);
-                       $page_date_gmt = mysql2date("Ymd\TH:i:s", $page->post_date_gmt);
+                       $page_date = mysql2date("Ymd\TH:i:s", $page->post_date, false);
+                       $page_date_gmt = mysql2date("Ymd\TH:i:s", $page->post_date_gmt, false);
 
                        // Pull the categories info together.
                        $categories = array();
@@ -458,8 +575,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getPages
+        * Retrieve Pages.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_getPages($args) {
                $this->escape($args);
@@ -467,19 +588,23 @@ class wp_xmlrpc_server extends IXR_Server {
                $blog_id        = (int) $args[0];
                $username       = $args[1];
                $password       = $args[2];
+               $num_pages      = (int) $args[3];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_pages' ) )
-                       return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 
                do_action('xmlrpc_call', 'wp.getPages');
 
-               // Lookup info on pages.
-               $pages = get_pages();
+               $page_limit = 10;
+               if( isset( $num_pages ) ) {
+                       $page_limit = $num_pages;
+               }
+
+               $pages = get_posts( array('post_type' => 'page', 'post_status' => 'all', 'numberposts' => $page_limit) );
                $num_pages = count($pages);
 
                // If we have pages, put together their info.
@@ -502,8 +627,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_newPage
+        * Create new page.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return unknown
         */
        function wp_newPage($args) {
                // Items not escaped here will be escaped in newPost.
@@ -512,17 +641,15 @@ class wp_xmlrpc_server extends IXR_Server {
                $page           = $args[3];
                $publish        = $args[4];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
                do_action('xmlrpc_call', 'wp.newPage');
 
-               // Set the user context and check if they are allowed
-               // to add new pages.
-               $user = set_current_user(0, $username);
+               // Make sure the user is allowed to add new pages.
                if(!current_user_can("publish_pages")) {
-                       return(new IXR_Error(401, __("Sorry, you can not add new pages.")));
+                       return(new IXR_Error(401, __("Sorry, you cannot add new pages.")));
                }
 
                // Mark this as content for a page.
@@ -533,8 +660,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_deletePage
+        * Delete page.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True, if success.
         */
        function wp_deletePage($args) {
                $this->escape($args);
@@ -544,8 +675,8 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $page_id        = (int) $args[3];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
                do_action('xmlrpc_call', 'wp.deletePage');
@@ -560,8 +691,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        return(new IXR_Error(404, __("Sorry, no such page.")));
                }
 
-               // Set the user context and make sure they can delete pages.
-               set_current_user(0, $username);
+               // Make sure the user can delete pages.
                if(!current_user_can("delete_page", $page_id)) {
                        return(new IXR_Error(401, __("Sorry, you do not have the right to delete this page.")));
                }
@@ -576,8 +706,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_editPage
+        * Edit page.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return unknown
         */
        function wp_editPage($args) {
                // Items not escaped here will be escaped in editPost.
@@ -588,8 +722,8 @@ class wp_xmlrpc_server extends IXR_Server {
                $content        = $args[4];
                $publish        = $args[5];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
                do_action('xmlrpc_call', 'wp.editPage');
@@ -603,8 +737,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        return(new IXR_Error(404, __("Sorry, no such page.")));
                }
 
-               // Set the user context and make sure they are allowed to edit pages.
-               set_current_user(0, $username);
+               // Make sure the user is allowed to edit pages.
                if(!current_user_can("edit_page", $page_id)) {
                        return(new IXR_Error(401, __("Sorry, you do not have the right to edit this page.")));
                }
@@ -626,8 +759,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getPageList
+        * Retrieve page list.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return unknown
         */
        function wp_getPageList($args) {
                global $wpdb;
@@ -638,13 +775,12 @@ class wp_xmlrpc_server extends IXR_Server {
                $username                               = $args[1];
                $password                               = $args[2];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_pages' ) )
-                       return new IXR_Error( 401, __( 'Sorry, you can not edit pages.' ) );
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 
                do_action('xmlrpc_call', 'wp.getPageList');
 
@@ -663,8 +799,8 @@ class wp_xmlrpc_server extends IXR_Server {
                // The date needs to be formated properly.
                $num_pages = count($page_list);
                for($i = 0; $i < $num_pages; $i++) {
-                       $post_date = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date);
-                       $post_date_gmt = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date_gmt);
+                       $post_date = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date, false);
+                       $post_date_gmt = mysql2date("Ymd\TH:i:s", $page_list[$i]->post_date_gmt, false);
 
                        $page_list[$i]->dateCreated = new IXR_Date($post_date);
                        $page_list[$i]->date_created_gmt = new IXR_Date($post_date_gmt);
@@ -677,8 +813,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getAuthors
+        * Retrieve authors list.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_getAuthors($args) {
 
@@ -688,14 +828,13 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
-               set_current_user(0, $username);
                if(!current_user_can("edit_posts")) {
-                       return(new IXR_Error(401, __("Sorry, you can not edit posts on this blog.")));
-        }
+                       return(new IXR_Error(401, __("Sorry, you cannot edit posts on this blog.")));
+               }
 
                do_action('xmlrpc_call', 'wp.getAuthors');
 
@@ -712,8 +851,55 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_newCategory
+        * Get list of all tags
+        *
+        * @since 2.7
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
+       function wp_getTags( $args ) {
+               $this->escape( $args );
+
+               $blog_id                = (int) $args[0];
+               $username               = $args[1];
+               $password               = $args[2];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if( !current_user_can( 'edit_posts' ) ) {
+                       return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view tags.' ) );
+               }
+
+               do_action( 'xmlrpc_call', 'wp.getKeywords' );
+
+               $tags = array( );
+
+               if( $all_tags = get_tags( ) ) {
+                       foreach( (array) $all_tags as $tag ) {
+                               $struct['tag_id']                       = $tag->term_id;
+                               $struct['name']                         = $tag->name;
+                               $struct['count']                        = $tag->count;
+                               $struct['slug']                         = $tag->slug;
+                               $struct['html_url']                     = esc_html( get_tag_link( $tag->term_id ) );
+                               $struct['rss_url']                      = esc_html( get_tag_feed_link( $tag->term_id ) );
+
+                               $tags[] = $struct;
+                       }
+               }
+
+               return $tags;
+       }
+
+       /**
+        * Create new category.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return int Category ID.
         */
        function wp_newCategory($args) {
                $this->escape($args);
@@ -723,15 +909,13 @@ class wp_xmlrpc_server extends IXR_Server {
                $password                               = $args[2];
                $category                               = $args[3];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
                do_action('xmlrpc_call', 'wp.newCategory');
 
-               // Set the user context and make sure they are
-               // allowed to add a category.
-               set_current_user(0, $username);
+               // Make sure the user is allowed to add a category.
                if(!current_user_can("manage_categories")) {
                        return(new IXR_Error(401, __("Sorry, you do not have the right to add a category.")));
                }
@@ -768,8 +952,12 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_deleteCategory
+        * Remove category.
+        *
+        * @since 2.5.0
+        *
+        * @param array $args Method parameters.
+        * @return mixed See {@link wp_delete_category()} for return info.
         */
        function wp_deleteCategory($args) {
                $this->escape($args);
@@ -779,13 +967,12 @@ class wp_xmlrpc_server extends IXR_Server {
                $password               = $args[2];
                $category_id    = (int) $args[3];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'wp.deleteCategory');
 
-               set_current_user(0, $username);
                if( !current_user_can("manage_categories") ) {
                        return new IXR_Error( 401, __( "Sorry, you do not have the right to delete a category." ) );
                }
@@ -793,10 +980,13 @@ class wp_xmlrpc_server extends IXR_Server {
                return wp_delete_category( $category_id );
        }
 
-
        /**
-        * WordPress XML-RPC API
-        * wp_suggestCategories
+        * Retrieve category list.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_suggestCategories($args) {
                $this->escape($args);
@@ -807,11 +997,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $category                               = $args[3];
                $max_results                    = (int) $args[4];
 
-               if(!$this->login_pass_ok($username, $password)) {
-                       return($this->error);
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
                }
 
-               set_current_user(0, $username);
                if( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts to this blog in order to view categories.' ) );
 
@@ -829,6 +1018,348 @@ class wp_xmlrpc_server extends IXR_Server {
                return($category_suggestions);
        }
 
+       /**
+        * Retrieve comment.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
+       function wp_getComment($args) {
+               $this->escape($args);
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $comment_id     = (int) $args[3];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if ( !current_user_can( 'moderate_comments' ) )
+                       return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
+
+               do_action('xmlrpc_call', 'wp.getComment');
+
+               if ( ! $comment = get_comment($comment_id) )
+                       return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+
+               // Format page date.
+               $comment_date = mysql2date("Ymd\TH:i:s", $comment->comment_date, false);
+               $comment_date_gmt = mysql2date("Ymd\TH:i:s", $comment->comment_date_gmt, false);
+
+               if ( 0 == $comment->comment_approved )
+                       $comment_status = 'hold';
+               else if ( 'spam' == $comment->comment_approved )
+                       $comment_status = 'spam';
+               else if ( 1 == $comment->comment_approved )
+                       $comment_status = 'approve';
+               else
+                       $comment_status = $comment->comment_approved;
+
+               $link = get_comment_link($comment);
+
+               $comment_struct = array(
+                       "date_created_gmt"              => new IXR_Date($comment_date_gmt),
+                       "user_id"                               => $comment->user_id,
+                       "comment_id"                    => $comment->comment_ID,
+                       "parent"                                => $comment->comment_parent,
+                       "status"                                => $comment_status,
+                       "content"                               => $comment->comment_content,
+                       "link"                                  => $link,
+                       "post_id"                               => $comment->comment_post_ID,
+                       "post_title"                    => get_the_title($comment->comment_post_ID),
+                       "author"                                => $comment->comment_author,
+                       "author_url"                    => $comment->comment_author_url,
+                       "author_email"                  => $comment->comment_author_email,
+                       "author_ip"                             => $comment->comment_author_IP,
+                       "type"                                  => $comment->comment_type,
+               );
+
+               return $comment_struct;
+       }
+
+       /**
+        * Retrieve comments.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
+       function wp_getComments($args) {
+               $this->escape($args);
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $struct         = $args[3];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if ( !current_user_can( 'moderate_comments' ) )
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit comments.' ) );
+
+               do_action('xmlrpc_call', 'wp.getComments');
+
+               if ( isset($struct['status']) )
+                       $status = $struct['status'];
+               else
+                       $status = '';
+
+               $post_id = '';
+               if ( isset($struct['post_id']) )
+                       $post_id = absint($struct['post_id']);
+
+               $offset = 0;
+               if ( isset($struct['offset']) )
+                       $offset = absint($struct['offset']);
+
+               $number = 10;
+               if ( isset($struct['number']) )
+                       $number = absint($struct['number']);
+
+               $comments = get_comments( array('status' => $status, 'post_id' => $post_id, 'offset' => $offset, 'number' => $number ) );
+               $num_comments = count($comments);
+
+               if ( ! $num_comments )
+                       return array();
+
+               $comments_struct = array();
+
+               for ( $i = 0; $i < $num_comments; $i++ ) {
+                       $comment = wp_xmlrpc_server::wp_getComment(array(
+                               $blog_id, $username, $password, $comments[$i]->comment_ID,
+                       ));
+                       $comments_struct[] = $comment;
+               }
+
+               return $comments_struct;
+       }
+
+       /**
+        * Remove comment.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return mixed {@link wp_delete_comment()}
+        */
+       function wp_deleteComment($args) {
+               $this->escape($args);
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $comment_ID     = (int) $args[3];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if ( !current_user_can( 'moderate_comments' ) )
+                       return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
+
+               do_action('xmlrpc_call', 'wp.deleteComment');
+
+               if ( ! get_comment($comment_ID) )
+                       return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+
+               return wp_delete_comment($comment_ID);
+       }
+
+       /**
+        * Edit comment.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True, on success.
+        */
+       function wp_editComment($args) {
+               $this->escape($args);
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $comment_ID     = (int) $args[3];
+               $content_struct = $args[4];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if ( !current_user_can( 'moderate_comments' ) )
+                       return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this blog.' ) );
+
+               do_action('xmlrpc_call', 'wp.editComment');
+
+               if ( ! get_comment($comment_ID) )
+                       return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+
+               if ( isset($content_struct['status']) ) {
+                       $statuses = get_comment_statuses();
+                       $statuses = array_keys($statuses);
+
+                       if ( ! in_array($content_struct['status'], $statuses) )
+                               return new IXR_Error( 401, __( 'Invalid comment status.' ) );
+                       $comment_approved = $content_struct['status'];
+               }
+
+               // Do some timestamp voodoo
+               if ( !empty( $content_struct['date_created_gmt'] ) ) {
+                       $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
+                       $comment_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
+                       $comment_date_gmt = iso8601_to_datetime($dateCreated, GMT);
+               }
+
+               if ( isset($content_struct['content']) )
+                       $comment_content = $content_struct['content'];
+
+               if ( isset($content_struct['author']) )
+                       $comment_author = $content_struct['author'];
+
+               if ( isset($content_struct['author_url']) )
+                       $comment_author_url = $content_struct['author_url'];
+
+               if ( isset($content_struct['author_email']) )
+                       $comment_author_email = $content_struct['author_email'];
+
+               // We've got all the data -- post it:
+               $comment = compact('comment_ID', 'comment_content', 'comment_approved', 'comment_date', 'comment_date_gmt', 'comment_author', 'comment_author_email', 'comment_author_url');
+
+               $result = wp_update_comment($comment);
+               if ( is_wp_error( $result ) )
+                       return new IXR_Error(500, $result->get_error_message());
+
+               if ( !$result )
+                       return new IXR_Error(500, __('Sorry, the comment could not be edited. Something wrong happened.'));
+
+               return true;
+       }
+
+       /**
+        * Create new comment.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return mixed {@link wp_new_comment()}
+        */
+       function wp_newComment($args) {
+               global $wpdb;
+
+               $this->escape($args);
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $post           = $args[3];
+               $content_struct = $args[4];
+
+               $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false);
+
+               $user = $this->login($username, $password);
+
+               if ( !$user ) {
+                       $logged_in = false;
+                       if ( $allow_anon && get_option('comment_registration') )
+                               return new IXR_Error( 403, __( 'You must be registered to comment' ) );
+                       else if ( !$allow_anon )
+                               return $this->error;
+               } else {
+                       $logged_in = true;
+               }
+
+               if ( is_numeric($post) )
+                       $post_id = absint($post);
+               else
+                       $post_id = url_to_postid($post);
+
+               if ( ! $post_id )
+                       return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+               if ( ! get_post($post_id) )
+                       return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+               $comment['comment_post_ID'] = $post_id;
+
+               if ( $logged_in ) {
+                       $comment['comment_author'] = $wpdb->escape( $user->display_name );
+                       $comment['comment_author_email'] = $wpdb->escape( $user->user_email );
+                       $comment['comment_author_url'] = $wpdb->escape( $user->user_url );
+                       $comment['user_ID'] = $user->ID;
+               } else {
+                       $comment['comment_author'] = '';
+                       if ( isset($content_struct['author']) )
+                               $comment['comment_author'] = $content_struct['author'];
+
+                       $comment['comment_author_email'] = '';
+                       if ( isset($content_struct['author_email']) )
+                               $comment['comment_author_email'] = $content_struct['author_email'];
+
+                       $comment['comment_author_url'] = '';
+                       if ( isset($content_struct['author_url']) )
+                               $comment['comment_author_url'] = $content_struct['author_url'];
+
+                       $comment['user_ID'] = 0;
+
+                       if ( get_option('require_name_email') ) {
+                               if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
+                                       return new IXR_Error( 403, __( 'Comment author name and email are required' ) );
+                               elseif ( !is_email($comment['comment_author_email']) )
+                                       return new IXR_Error( 403, __( 'A valid email address is required' ) );
+                       }
+               }
+
+               $comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;
+
+               $comment['comment_content'] = $content_struct['content'];
+
+               do_action('xmlrpc_call', 'wp.newComment');
+
+               return wp_new_comment($comment);
+       }
+
+       /**
+        * Retrieve all of the comment status.
+        *
+        * @since 2.7.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
+       function wp_getCommentStatusList($args) {
+               $this->escape( $args );
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if ( !current_user_can( 'moderate_comments' ) )
+                       return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
+
+               do_action('xmlrpc_call', 'wp.getCommentStatusList');
+
+               return get_comment_statuses( );
+       }
+
+       /**
+        * Retrieve comment count.
+        *
+        * @since 2.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getCommentCount( $args ) {
                $this->escape($args);
 
@@ -837,11 +1368,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $post_id        = (int) $args[3];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_posts' ) ) {
                        return new IXR_Error( 403, __( 'You are not allowed access to details about comments.' ) );
                }
@@ -857,7 +1387,14 @@ class wp_xmlrpc_server extends IXR_Server {
                );
        }
 
-
+       /**
+        * Retrieve post statuses.
+        *
+        * @since 2.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getPostStatusList( $args ) {
                $this->escape( $args );
 
@@ -865,11 +1402,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_posts' ) ) {
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
                }
@@ -879,7 +1415,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return get_post_statuses( );
        }
 
-
+       /**
+        * Retrieve page statuses.
+        *
+        * @since 2.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getPageStatusList( $args ) {
                $this->escape( $args );
 
@@ -887,11 +1430,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_posts' ) ) {
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
                }
@@ -901,6 +1443,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return get_page_statuses( );
        }
 
+       /**
+        * Retrieve page templates.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getPageTemplates( $args ) {
                $this->escape( $args );
 
@@ -908,11 +1458,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $username );
                if( !current_user_can( 'edit_pages' ) ) {
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
                }
@@ -923,6 +1472,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return $templates;
        }
 
+       /**
+        * Retrieve blog options.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getOptions( $args ) {
                $this->escape( $args );
 
@@ -931,10 +1488,9 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $options        = (array) $args[3];
 
-               if( !$this->login_pass_ok( $username, $password ) )
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
-
-               $user = set_current_user( 0, $username );
+               }
 
                // If no specific options where asked for, return all of them
                if (count( $options ) == 0 ) {
@@ -944,6 +1500,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return $this->_getOptions($options);
        }
 
+       /**
+        * Retrieve blog options value from list.
+        *
+        * @since 2.6.0
+        *
+        * @param array $options Options to retrieve.
+        * @return array
+        */
        function _getOptions($options)
        {
                $data = array( );
@@ -962,6 +1526,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return $data;
        }
 
+       /**
+        * Update blog options.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return unknown
+        */
        function wp_setOptions( $args ) {
                $this->escape( $args );
 
@@ -970,10 +1542,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $options        = (array) $args[3];
 
-               if( !$this->login_pass_ok( $username, $password ) )
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
+               }
 
-               $user = set_current_user( 0, $username );
                if( !current_user_can( 'manage_options' ) )
                        return new IXR_Error( 403, __( 'You are not allowed to update options.' ) );
 
@@ -995,26 +1567,33 @@ class wp_xmlrpc_server extends IXR_Server {
                return $this->_getOptions($option_names);
        }
 
-       /* Blogger API functions
+       /* Blogger API functions.
         * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
         */
 
-
-       /* blogger.getUsersBlogs will make more sense once we support multiple blogs */
+       /**
+        * Retrieve blogs that user owns.
+        *
+        * Will make more sense once we support multiple blogs.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function blogger_getUsersBlogs($args) {
 
                $this->escape($args);
 
-               $user_login = $args[1];
-               $user_pass  = $args[2];
+               $username = $args[1];
+               $password  = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'blogger.getUsersBlogs');
 
-               set_current_user(0, $user_login);
                $is_admin = current_user_can('manage_options');
 
                $struct = array(
@@ -1022,61 +1601,71 @@ class wp_xmlrpc_server extends IXR_Server {
                        'url'      => get_option('home') . '/',
                        'blogid'   => '1',
                        'blogName' => get_option('blogname'),
-                       'xmlrpc'   => get_option('home') . '/xmlrpc.php',
+                       'xmlrpc'   => site_url( 'xmlrpc.php' )
                );
 
                return array($struct);
        }
 
-
-       /* blogger.getUsersInfo gives your client some info about you, so you don't have to */
+       /**
+        * Retrieve user's data.
+        *
+        * Gives your client some info about you, so you don't have to.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function blogger_getUserInfo($args) {
 
                $this->escape($args);
 
-               $user_login = $args[1];
-               $user_pass  = $args[2];
+               $username = $args[1];
+               $password  = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this blog.' ) );
 
                do_action('xmlrpc_call', 'blogger.getUserInfo');
 
-               $user_data = get_userdatabylogin($user_login);
-
                $struct = array(
-                       'nickname'  => $user_data->nickname,
-                       'userid'    => $user_data->ID,
-                       'url'       => $user_data->user_url,
-                       'lastname'  => $user_data->last_name,
-                       'firstname' => $user_data->first_name
+                       'nickname'  => $user->nickname,
+                       'userid'    => $user->ID,
+                       'url'       => $user->user_url,
+                       'lastname'  => $user->last_name,
+                       'firstname' => $user->first_name
                );
 
                return $struct;
        }
 
-
-       /* blogger.getPost ...gets a post */
+       /**
+        * Retrieve post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function blogger_getPost($args) {
 
                $this->escape($args);
 
                $post_ID    = (int) $args[1];
-               $user_login = $args[2];
-               $user_pass  = $args[3];
+               $username = $args[2];
+               $password  = $args[3];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_post', $post_ID ) )
-                       return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
 
                do_action('xmlrpc_call', 'blogger.getPost');
 
@@ -1090,7 +1679,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $struct = array(
                        'userid'    => $post_data['post_author'],
-                       'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'])),
+                       'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'], false)),
                        'content'     => $content,
                        'postid'  => $post_data['ID']
                );
@@ -1098,18 +1687,24 @@ class wp_xmlrpc_server extends IXR_Server {
                return $struct;
        }
 
-
-       /* blogger.getRecentPosts ...gets recent posts */
+       /**
+        * Retrieve list of recent posts.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function blogger_getRecentPosts($args) {
 
                $this->escape($args);
 
                $blog_ID    = (int) $args[1]; /* though we don't use it yet */
-               $user_login = $args[2];
-               $user_pass  = $args[3];
+               $username = $args[2];
+               $password  = $args[3];
                $num_posts  = $args[4];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
@@ -1117,8 +1712,6 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $posts_list = wp_get_recent_posts($num_posts);
 
-               set_current_user( 0, $user_login );
-
                if (!$posts_list) {
                        $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
                        return $this->error;
@@ -1128,7 +1721,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        if( !current_user_can( 'edit_post', $entry['ID'] ) )
                                continue;
 
-                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
+                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
                        $categories = implode(',', wp_get_post_categories($entry['ID']));
 
                        $content  = '<title>'.stripslashes($entry['post_title']).'</title>';
@@ -1152,63 +1745,73 @@ class wp_xmlrpc_server extends IXR_Server {
                return $recent_posts;
        }
 
-
-       /* blogger.getTemplate returns your blog_filename */
+       /**
+        * Retrieve blog_filename content.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return string
+        */
        function blogger_getTemplate($args) {
 
                $this->escape($args);
 
-         $blog_ID    = (int) $args[1];
-         $user_login = $args[2];
-         $user_pass  = $args[3];
-         $template   = $args[4]; /* could be 'main' or 'archiveIndex', but we don't use it */
+               $blog_ID    = (int) $args[1];
+               $username = $args[2];
+               $password  = $args[3];
+               $template   = $args[4]; /* could be 'main' or 'archiveIndex', but we don't use it */
 
-         if (!$this->login_pass_ok($user_login, $user_pass)) {
-           return $this->error;
-         }
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
 
-         do_action('xmlrpc_call', 'blogger.getTemplate');
+               do_action('xmlrpc_call', 'blogger.getTemplate');
 
-         set_current_user(0, $user_login);
-         if ( !current_user_can('edit_themes') ) {
-           return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
-         }
+               if ( !current_user_can('edit_themes') ) {
+                       return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
+               }
 
-         /* warning: here we make the assumption that the blog's URL is on the same server */
-         $filename = get_option('home') . '/';
-         $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
+               /* warning: here we make the assumption that the blog's URL is on the same server */
+               $filename = get_option('home') . '/';
+               $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);
 
-         $f = fopen($filename, 'r');
-         $content = fread($f, filesize($filename));
-         fclose($f);
+               $f = fopen($filename, 'r');
+               $content = fread($f, filesize($filename));
+               fclose($f);
 
-         /* so it is actually editable with a windows/mac client */
-         // 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);
+               /* so it is actually editable with a windows/mac client */
+               // 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);
 
-         return $content;
+               return $content;
        }
 
-
-       /* blogger.setTemplate updates the content of blog_filename */
+       /**
+        * Updates the content of blog_filename.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True when done.
+        */
        function blogger_setTemplate($args) {
 
                $this->escape($args);
 
                $blog_ID    = (int) $args[1];
-               $user_login = $args[2];
-               $user_pass  = $args[3];
+               $username = $args[2];
+               $password  = $args[3];
                $content    = $args[4];
                $template   = $args[5]; /* could be 'main' or 'archiveIndex', but we don't use it */
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'blogger.setTemplate');
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('edit_themes') ) {
-                       return new IXR_Error(401, __('Sorry, this user can not edit the template.'));
+                       return new IXR_Error(401, __('Sorry, this user cannot edit the template.'));
                }
 
                /* warning: here we make the assumption that the blog's URL is on the same server */
@@ -1225,26 +1828,31 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
-
-       /* blogger.newPost ...creates a new post */
+       /**
+        * Create new post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return int
+        */
        function blogger_newPost($args) {
 
                $this->escape($args);
 
                $blog_ID    = (int) $args[1]; /* though we don't use it yet */
-               $user_login = $args[2];
-               $user_pass  = $args[3];
+               $username = $args[2];
+               $password  = $args[3];
                $content    = $args[4];
                $publish    = $args[5];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'blogger.newPost');
 
                $cap = ($publish) ? 'publish_posts' : 'edit_posts';
-               $user = set_current_user(0, $user_login);
                if ( !current_user_can($cap) )
                        return new IXR_Error(401, __('Sorry, you are not allowed to post on this blog.'));
 
@@ -1275,18 +1883,25 @@ class wp_xmlrpc_server extends IXR_Server {
                return $post_ID;
        }
 
-       /* blogger.editPost ...edits a post */
+       /**
+        * Edit a post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return bool true when done.
+        */
        function blogger_editPost($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[1];
-               $user_login  = $args[2];
-               $user_pass   = $args[3];
+               $username  = $args[2];
+               $password   = $args[3];
                $content     = $args[4];
                $publish     = $args[5];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
@@ -1294,13 +1909,12 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $actual_post = wp_get_single_post($post_ID,ARRAY_A);
 
-               if (!$actual_post) {
+               if (!$actual_post || $actual_post['post_type'] != 'post') {
                        return new IXR_Error(404, __('Sorry, no such post.'));
                }
 
                $this->escape($actual_post);
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('edit_post', $post_ID) )
                        return new IXR_Error(401, __('Sorry, you do not have the right to edit this post.'));
 
@@ -1325,17 +1939,23 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
-
-       /* blogger.deletePost ...deletes a post */
+       /**
+        * Remove a post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True when post is deleted.
+        */
        function blogger_deletePost($args) {
                $this->escape($args);
 
                $post_ID     = (int) $args[1];
-               $user_login  = $args[2];
-               $user_pass   = $args[3];
+               $username  = $args[2];
+               $password   = $args[3];
                $publish     = $args[4];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
@@ -1343,11 +1963,10 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $actual_post = wp_get_single_post($post_ID,ARRAY_A);
 
-               if (!$actual_post) {
+               if (!$actual_post || $actual_post['post_type'] != 'post') {
                        return new IXR_Error(404, __('Sorry, no such post.'));
                }
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('edit_post', $post_ID) )
                        return new IXR_Error(401, __('Sorry, you do not have the right to delete this post.'));
 
@@ -1360,26 +1979,30 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
-
-
        /* MetaWeblog API functions
         * specs on wherever Dave Winer wants them to be
         */
 
-       /* metaweblog.newPost creates a post */
+       /**
+        * Create a new post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return int
+        */
        function mw_newPost($args) {
                $this->escape($args);
 
                $blog_ID     = (int) $args[0]; // we will support this in the near future
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
                $content_struct = $args[3];
                $publish     = $args[4];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
-               $user = set_current_user(0, $user_login);
 
                do_action('xmlrpc_call', 'metaWeblog.newPost');
 
@@ -1592,15 +2215,19 @@ class wp_xmlrpc_server extends IXR_Server {
                        return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
                }
 
+               // Only posts can be sticky
+               if ( $post_type == 'post' && isset( $content_struct['sticky'] ) )
+                       if ( $content_struct['sticky'] == true )
+                               stick_post( $post_ID );
+                       elseif ( $content_struct['sticky'] == false )
+                               unstick_post( $post_ID );
+
                if ( isset($content_struct['custom_fields']) ) {
                        $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
                }
 
-               // Handle enclosures 
-               $enclosure = $content_struct['enclosure']; 
-               if( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) { 
-                       add_post_meta( $post_ID, 'enclosure', $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] );
-               } 
+               // Handle enclosures
+               $this->add_enclosure_if_new($post_ID, $content_struct['enclosure']);
 
                $this->attach_uploads( $post_ID, $post_content );
 
@@ -1609,6 +2236,35 @@ class wp_xmlrpc_server extends IXR_Server {
                return strval($post_ID);
        }
 
+       function add_enclosure_if_new($post_ID, $enclosure) {
+               if( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
+
+                       $encstring = $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'];
+                       $found = false;
+                       foreach ( (array) get_post_custom($post_ID) as $key => $val) {
+                               if ($key == 'enclosure') {
+                                       foreach ( (array) $val as $enc ) {
+                                               if ($enc == $encstring) {
+                                                       $found = true;
+                                                       break 2;
+                                               }
+                                       }
+                               }
+                       }
+                       if (!$found) {
+                               add_post_meta( $post_ID, 'enclosure', $encstring );
+                       }
+               }
+       }
+
+       /**
+        * Attach upload to a post.
+        *
+        * @since 2.1.0
+        *
+        * @param int $post_ID Post ID.
+        * @param string $post_content Post Content for attachment.
+        */
        function attach_uploads( $post_ID, $post_content ) {
                global $wpdb;
 
@@ -1617,27 +2273,33 @@ class wp_xmlrpc_server extends IXR_Server {
                if( is_array( $attachments ) ) {
                        foreach( $attachments as $file ) {
                                if( strpos( $post_content, $file->guid ) !== false ) {
-                                       $wpdb->query( $wpdb->prepare("UPDATE {$wpdb->posts} SET post_parent = %d WHERE ID = %d", $post_ID, $file->ID) );
+                                       $wpdb->update($wpdb->posts, array('post_parent' => $post_ID), array('ID' => $file->ID) );
                                }
                        }
                }
        }
 
-       /* metaweblog.editPost ...edits a post */
+       /**
+        * Edit a post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True on success.
+        */
        function mw_editPost($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
                $content_struct = $args[3];
                $publish     = $args[4];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
-               $user = set_current_user(0, $user_login);
 
                do_action('xmlrpc_call', 'metaWeblog.editPost');
 
@@ -1672,7 +2334,7 @@ class wp_xmlrpc_server extends IXR_Server {
                // now and return an error.  Other wise a new post will be
                // created (which was the old behavior).
                if(empty($postdata["ID"])) {
-                       return(new IXR_Error(404, __("Invalid post id.")));
+                       return(new IXR_Error(404, __("Invalid post ID.")));
                }
 
                $this->escape($postdata);
@@ -1860,15 +2522,19 @@ class wp_xmlrpc_server extends IXR_Server {
                        return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
                }
 
+               // Only posts can be sticky
+               if ( $post_type == 'post' && isset( $content_struct['sticky'] ) )
+                       if ( $content_struct['sticky'] == true )
+                               stick_post( $post_ID );
+                       elseif ( $content_struct['sticky'] == false )
+                               unstick_post( $post_ID );
+
                if ( isset($content_struct['custom_fields']) ) {
                        $this->set_custom_fields($post_ID, $content_struct['custom_fields']);
                }
 
-               // Handle enclosures 
-               $enclosure = $content_struct['enclosure']; 
-               if( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) { 
-                       add_post_meta( $post_ID, 'enclosure', $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] );
-               } 
+               // Handle enclosures
+               $this->add_enclosure_if_new($post_ID, $content_struct['enclosure']);
 
                $this->attach_uploads( $ID, $post_content );
 
@@ -1877,31 +2543,43 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
-
-       /* metaweblog.getPost ...returns a post */
+       /**
+        * Retrieve post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mw_getPost($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_post', $post_ID ) )
-                       return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
+                       return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
 
                do_action('xmlrpc_call', 'metaWeblog.getPost');
 
                $postdata = wp_get_single_post($post_ID, ARRAY_A);
 
                if ($postdata['post_date'] != '') {
-                       $post_date = mysql2date('Ymd\TH:i:s', $postdata['post_date']);
-                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $postdata['post_date_gmt']);
+                       $post_date = mysql2date('Ymd\TH:i:s', $postdata['post_date'], false);
+                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $postdata['post_date_gmt'], false);
+
+                       // For drafts use the GMT version of the post date
+                       if ( $postdata['post_status'] == 'draft' ) {
+                               $post_date_gmt = get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $postdata['post_date'] ) );
+                               $post_date_gmt = preg_replace( '|\-|', '', $post_date_gmt );
+                               $post_date_gmt = preg_replace( '| |', 'T', $post_date_gmt );
+                       }
 
                        $categories = array();
                        $catids = wp_get_post_categories($post_ID);
@@ -1932,6 +2610,23 @@ class wp_xmlrpc_server extends IXR_Server {
                                $postdata['post_status'] = 'publish';
                        }
 
+                       $sticky = false;
+                       if ( is_sticky( $post_ID ) )
+                               $sticky = true;
+
+                       $enclosure = array();
+                       foreach ( (array) get_post_custom($post_ID) as $key => $val) {
+                               if ($key == 'enclosure') {
+                                       foreach ( (array) $val as $enc ) {
+                                               $encdata = split("\n", $enc);
+                                               $enclosure['url'] = trim(htmlspecialchars($encdata[0]));
+                                               $enclosure['length'] = trim($encdata[1]);
+                                               $enclosure['type'] = trim($encdata[2]);
+                                               break 2;
+                                       }
+                               }
+                       }
+
                        $resp = array(
                                'dateCreated' => new IXR_Date($post_date),
                                'userid' => $postdata['post_author'],
@@ -1954,27 +2649,36 @@ class wp_xmlrpc_server extends IXR_Server {
                                'wp_author_display_name'        => $author->display_name,
                                'date_created_gmt' => new IXR_Date($post_date_gmt),
                                'post_status' => $postdata['post_status'],
-                               'custom_fields' => $this->get_custom_fields($post_ID)
+                               'custom_fields' => $this->get_custom_fields($post_ID),
+                               'sticky' => $sticky
                        );
 
+                       if (!empty($enclosure)) $resp['enclosure'] = $enclosure;
+
                        return $resp;
                } else {
                        return new IXR_Error(404, __('Sorry, no such post.'));
                }
        }
 
-
-       /* metaweblog.getRecentPosts ...returns recent posts */
+       /**
+        * Retrieve list of recent posts.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mw_getRecentPosts($args) {
 
                $this->escape($args);
 
                $blog_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
                $num_posts   = (int) $args[3];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
@@ -1983,18 +2687,15 @@ class wp_xmlrpc_server extends IXR_Server {
                $posts_list = wp_get_recent_posts($num_posts);
 
                if (!$posts_list) {
-                       $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
-                       return $this->error;
+                       return array( );
                }
 
-               set_current_user( 0, $user_login );
-
                foreach ($posts_list as $entry) {
                        if( !current_user_can( 'edit_post', $entry['ID'] ) )
                                continue;
 
-                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
-                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
+                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
+                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt'], false);
 
                        $categories = array();
                        $catids = wp_get_post_categories($entry['ID']);
@@ -2035,8 +2736,8 @@ class wp_xmlrpc_server extends IXR_Server {
                                'title' => $entry['post_title'],
                                'link' => $link,
                                'permaLink' => $link,
-// commented out because no other tool seems to use this
-//           'content' => $entry['post_content'],
+                               // commented out because no other tool seems to use this
+                               // 'content' => $entry['post_content'],
                                'categories' => $categories,
                                'mt_excerpt' => $entry['post_excerpt'],
                                'mt_text_more' => $post['extended'],
@@ -2062,21 +2763,26 @@ class wp_xmlrpc_server extends IXR_Server {
                return $recent_posts;
        }
 
-
-       /* metaweblog.getCategories ...returns the list of categories on a given blog */
+       /**
+        * Retrieve the list of categories on a given blog.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mw_getCategories($args) {
 
                $this->escape($args);
 
                $blog_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
 
@@ -2089,9 +2795,10 @@ class wp_xmlrpc_server extends IXR_Server {
                                $struct['categoryId'] = $cat->term_id;
                                $struct['parentId'] = $cat->parent;
                                $struct['description'] = $cat->name;
+                               $struct['categoryDescription'] = $cat->description;
                                $struct['categoryName'] = $cat->name;
-                               $struct['htmlUrl'] = wp_specialchars(get_category_link($cat->term_id));
-                               $struct['rssUrl'] = wp_specialchars(get_category_rss_link(false, $cat->term_id, $cat->name));
+                               $struct['htmlUrl'] = esc_html(get_category_link($cat->term_id));
+                               $struct['rssUrl'] = esc_html(get_category_feed_link($cat->term_id, 'rss2'));
 
                                $categories_struct[] = $struct;
                        }
@@ -2100,17 +2807,24 @@ class wp_xmlrpc_server extends IXR_Server {
                return $categories_struct;
        }
 
-
-       /* metaweblog.newMediaObject uploads a file, following your settings */
+       /**
+        * Uploads a file, following your settings.
+        *
+        * Adapted from a patch by Johann Richard.
+        *
+        * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mw_newMediaObject($args) {
-               // adapted from a patch by Johann Richard
-               // http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
-
                global $wpdb;
 
                $blog_ID     = (int) $args[0];
-               $user_login  = $wpdb->escape($args[1]);
-               $user_pass   = $wpdb->escape($args[2]);
+               $username  = $wpdb->escape($args[1]);
+               $password   = $wpdb->escape($args[2]);
                $data        = $args[3];
 
                $name = sanitize_file_name( $data['name'] );
@@ -2119,12 +2833,12 @@ class wp_xmlrpc_server extends IXR_Server {
 
                logIO('O', '(MW) Received '.strlen($bits).' bytes');
 
-               if ( !$this->login_pass_ok($user_login, $user_pass) )
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
+               }
 
                do_action('xmlrpc_call', 'metaWeblog.newMediaObject');
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('upload_files') ) {
                        logIO('O', '(MW) User does not have upload_files capability');
                        $this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
@@ -2177,22 +2891,28 @@ class wp_xmlrpc_server extends IXR_Server {
                return apply_filters( 'wp_handle_upload', array( 'file' => $name, 'url' => $upload[ 'url' ], 'type' => $type ) );
        }
 
-
        /* MovableType API functions
         * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
         */
 
-       /* mt.getRecentPostTitles ...returns recent posts' titles */
+       /**
+        * Retrieve the post titles of recent posts.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mt_getRecentPostTitles($args) {
 
                $this->escape($args);
 
                $blog_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
                $num_posts   = (int) $args[3];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
@@ -2205,14 +2925,12 @@ class wp_xmlrpc_server extends IXR_Server {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
-
                foreach ($posts_list as $entry) {
                        if( !current_user_can( 'edit_post', $entry['ID'] ) )
                                continue;
 
-                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
-                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt']);
+                       $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date'], false);
+                       $post_date_gmt = mysql2date('Ymd\TH:i:s', $entry['post_date_gmt'], false);
 
                        $struct[] = array(
                                'dateCreated' => new IXR_Date($post_date),
@@ -2232,21 +2950,26 @@ class wp_xmlrpc_server extends IXR_Server {
                return $recent_posts;
        }
 
-
-       /* mt.getCategoryList ...returns the list of categories on a given blog */
+       /**
+        * Retrieve list of all categories on blog.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mt_getCategoryList($args) {
 
                $this->escape($args);
 
                $blog_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this blog in order to view categories.' ) );
 
@@ -2266,21 +2989,26 @@ class wp_xmlrpc_server extends IXR_Server {
                return $categories_struct;
        }
 
-
-       /* mt.getPostCategories ...returns a post's categories */
+       /**
+        * Retrieve post categories.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mt_getPostCategories($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
-               set_current_user( 0, $user_login );
                if( !current_user_can( 'edit_post', $post_ID ) )
                        return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
 
@@ -2302,26 +3030,31 @@ class wp_xmlrpc_server extends IXR_Server {
                return $categories;
        }
 
-
-       /* mt.setPostCategories ...sets a post's categories */
+       /**
+        * Sets categories for a post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return bool True on success.
+        */
        function mt_setPostCategories($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
                $categories  = $args[3];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'mt.setPostCategories');
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('edit_post', $post_ID) )
-                       return new IXR_Error(401, __('Sorry, you can not edit this post.'));
+                       return new IXR_Error(401, __('Sorry, you cannot edit this post.'));
 
                foreach($categories as $cat) {
                        $catids[] = $cat['categoryId'];
@@ -2332,8 +3065,14 @@ class wp_xmlrpc_server extends IXR_Server {
                return true;
        }
 
-
-       /* mt.supportedMethods ...returns an array of methods supported by this server */
+       /**
+        * Retrieve an array of methods supported by this server.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function mt_supportedMethods($args) {
 
                do_action('xmlrpc_call', 'mt.supportedMethods');
@@ -2346,16 +3085,26 @@ class wp_xmlrpc_server extends IXR_Server {
                return $supported_methods;
        }
 
-
-       /* mt.supportedTextFilters ...returns an empty array because we don't
-                support per-post text filters yet */
+       /**
+        * Retrieve an empty array because we don't support per-post text filters.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        */
        function mt_supportedTextFilters($args) {
                do_action('xmlrpc_call', 'mt.supportedTextFilters');
                return apply_filters('xmlrpc_text_filters', array());
        }
 
-
-       /* mt.getTrackbackPings ...returns trackbacks sent to a given post */
+       /**
+        * Retrieve trackbacks sent to a given post.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return mixed
+        */
        function mt_getTrackbackPings($args) {
 
                global $wpdb;
@@ -2392,25 +3141,30 @@ class wp_xmlrpc_server extends IXR_Server {
                return $trackback_pings;
        }
 
-
-       /* mt.publishPost ...sets a post's publish status to 'publish' */
+       /**
+        * Sets a post's publish status to 'publish'.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return int
+        */
        function mt_publishPost($args) {
 
                $this->escape($args);
 
                $post_ID     = (int) $args[0];
-               $user_login  = $args[1];
-               $user_pass   = $args[2];
+               $username  = $args[1];
+               $password   = $args[2];
 
-               if (!$this->login_pass_ok($user_login, $user_pass)) {
+               if ( !$user = $this->login($username, $password) ) {
                        return $this->error;
                }
 
                do_action('xmlrpc_call', 'mt.publishPost');
 
-               set_current_user(0, $user_login);
                if ( !current_user_can('edit_post', $post_ID) )
-                       return new IXR_Error(401, __('Sorry, you can not edit this post.'));
+                       return new IXR_Error(401, __('Sorry, you cannot edit this post.'));
 
                $postdata = wp_get_single_post($post_ID,ARRAY_A);
 
@@ -2426,13 +3180,18 @@ class wp_xmlrpc_server extends IXR_Server {
                return $result;
        }
 
-
-
        /* PingBack functions
         * specs on www.hixie.ch/specs/pingback/pingback
         */
 
-       /* pingback.ping gets a pingback and registers it */
+       /**
+        * Retrieves a pingback and registers it.
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function pingback_ping($args) {
                global $wpdb;
 
@@ -2492,7 +3251,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        }
                } else {
                        // TODO: Attempt to extract a post ID from the given URL
-                       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.'));
+                       return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.'));
                }
                $post_ID = (int) $post_ID;
 
@@ -2502,14 +3261,14 @@ class wp_xmlrpc_server extends IXR_Server {
                $post = get_post($post_ID);
 
                if ( !$post ) // Post_ID not found
-                       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.'));
+                       return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.'));
 
                if ( $post_ID == url_to_postid($pagelinkedfrom) )
                        return new IXR_Error(0, __('The source URL and the target URL cannot both point to the same resource.'));
 
                // Check if pings are on
-               if ( 'closed' == $post->ping_status )
-                       return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
+               if ( !pings_open($post) )
+                       return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.'));
 
                // Let's check that the remote site didn't already pingback this entry
                $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) );
@@ -2541,7 +3300,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $p = explode( "\n\n", $linea );
 
-               $preg_target = preg_quote($pagelinkedto);
+               $preg_target = preg_quote($pagelinkedto, '|');
 
                foreach ( $p as $para ) {
                        if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
@@ -2563,7 +3322,7 @@ class wp_xmlrpc_server extends IXR_Server {
                                $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
                                $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
                                $excerpt = trim($excerpt);
-                               $preg_marker = preg_quote($marker);
+                               $preg_marker = preg_quote($marker, '|');
                                $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
                                $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
                                break;
@@ -2575,7 +3334,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
 
-               $context = '[...] ' . wp_specialchars( $excerpt ) . ' [...]';
+               $context = '[...] ' . esc_html( $excerpt ) . ' [...]';
                $pagelinkedfrom = $wpdb->escape( $pagelinkedfrom );
 
                $comment_post_ID = (int) $post_ID;
@@ -2594,15 +3353,21 @@ class wp_xmlrpc_server extends IXR_Server {
                return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
        }
 
-
-       /* pingback.extensions.getPingbacks returns an array of URLs
-       that pingbacked the given URL
-       specs on http://www.aquarionics.com/misc/archives/blogite/0198.html */
+       /**
+        * Retrieve array of URLs that pingbacked the given URL.
+        *
+        * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
+        *
+        * @since 1.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function pingback_extensions_getPingbacks($args) {
 
                global $wpdb;
 
-               do_action('xmlrpc_call', 'pingback.extensions.getPingsbacks');
+               do_action('xmlrpc_call', 'pingback.extensions.getPingbacks');
 
                $this->escape($args);
 
@@ -2611,7 +3376,7 @@ class wp_xmlrpc_server extends IXR_Server {
                $post_ID = url_to_postid($url);
                if (!$post_ID) {
                        // We aren't sure that the resource is available and/or pingback enabled
-                       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.'));
+                       return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.'));
                }
 
                $actual_post = wp_get_single_post($post_ID, ARRAY_A);
@@ -2637,7 +3402,6 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 }
 
-
 $wp_xmlrpc_server = new wp_xmlrpc_server();
 
 ?>