]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/class-wp-xmlrpc-server.php
WordPress 3.9
[autoinstalls/wordpress.git] / wp-includes / class-wp-xmlrpc-server.php
index 255a29c4401b87b64efcbd9fd7ae6fe624c25c1e..0f617dbf99b4399490f89801ae66f6069caf3351 100644 (file)
@@ -3,6 +3,7 @@
  * XML-RPC protocol support for WordPress
  *
  * @package WordPress
+ * @subpackage Publishing
  */
 
 /**
@@ -126,7 +127,17 @@ class wp_xmlrpc_server extends IXR_Server {
                );
 
                $this->initialise_blog_option_info();
-               $this->methods = apply_filters('xmlrpc_methods', $this->methods);
+
+               /**
+                * Filter the methods exposed by the XML-RPC server.
+                *
+                * This filter can be used to add new methods, and remove built-in methods.
+                *
+                * @since 1.5.0
+                *
+                * @param array $methods An array of XML-RPC methods.
+                */
+               $this->methods = apply_filters( 'xmlrpc_methods', $this->methods );
        }
 
        function serve_request() {
@@ -169,12 +180,24 @@ class wp_xmlrpc_server extends IXR_Server {
         * @return mixed WP_User object if authentication passed, false otherwise
         */
        function login( $username, $password ) {
-               // Respect any old filters against get_option() for 'enable_xmlrpc'.
-               $enabled = apply_filters( 'pre_option_enable_xmlrpc', false ); // Deprecated
-               if ( false === $enabled )
-                       $enabled = apply_filters( 'option_enable_xmlrpc', true ); // Deprecated
+               /*
+                * Respect old get_option() filters left for back-compat when the 'enable_xmlrpc'
+                * option was deprecated in 3.5.0. Use the 'xmlrpc_enabled' hook instead.
+                */
+               $enabled = apply_filters( 'pre_option_enable_xmlrpc', false );
+               if ( false === $enabled ) {
+                       $enabled = apply_filters( 'option_enable_xmlrpc', true );
+               }
 
-               // Proper filter for turning off XML-RPC. It is on by default.
+               /**
+                * Filter whether XML-RPC is enabled.
+                *
+                * This is the proper filter for turning off XML-RPC.
+                *
+                * @since 3.5.0
+                *
+                * @param bool $enabled Whether XML-RPC is enabled. Default true.
+                */
                $enabled = apply_filters( 'xmlrpc_enabled', $enabled );
 
                if ( ! $enabled ) {
@@ -186,6 +209,15 @@ class wp_xmlrpc_server extends IXR_Server {
 
                if (is_wp_error($user)) {
                        $this->error = new IXR_Error( 403, __( 'Incorrect username or password.' ) );
+
+                       /**
+                        * Filter the XML-RPC user login error message.
+                        *
+                        * @since 3.5.0
+                        *
+                        * @param string  $error The XML-RPC error message.
+                        * @param WP_User $user  WP_User object.
+                        */
                        $this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user );
                        return false;
                }
@@ -440,6 +472,13 @@ class wp_xmlrpc_server extends IXR_Server {
                        )
                );
 
+               /**
+                * Filter the XML-RPC blog options property.
+                *
+                * @since 2.6.0
+                *
+                * @param array $blog_options An array of XML-RPC blog options.
+                */
                $this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
        }
 
@@ -473,6 +512,17 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
+               /**
+                * Fires after the XML-RPC user has been authenticated but before the rest of
+                * the method logic begins.
+                *
+                * All built-in XML-RPC methods use the action xmlrpc_call, with a parameter
+                * equal to the method's name, e.g., wp.getUsersBlogs, wp.newPost, etc.
+                *
+                * @since 2.5.0
+                *
+                * @param method $name The method name.
+                */
                do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
 
                $blogs = (array) get_blogs_of_user( $user->ID );
@@ -552,6 +602,15 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( in_array( 'object_type', $fields ) )
                        $_taxonomy['object_type'] = array_unique( (array) $taxonomy->object_type );
 
+               /**
+                * Filter XML-RPC-prepared data for the given taxonomy.
+                *
+                * @since 3.4.0
+                *
+                * @param array  $_taxonomy An array of taxonomy data.
+                * @param object $taxonomy  Taxonomy object.
+                * @param array  $fields    The subset of taxonomy fields to return.
+                */
                return apply_filters( 'xmlrpc_prepare_taxonomy', $_taxonomy, $taxonomy, $fields );
        }
 
@@ -577,6 +636,14 @@ class wp_xmlrpc_server extends IXR_Server {
                // Count we are happy to return as an integer because people really shouldn't use terms that much.
                $_term['count'] = intval( $_term['count'] );
 
+               /**
+                * Filter XML-RPC-prepared data for the given term.
+                *
+                * @since 3.4.0
+                *
+                * @param array        $_term An array of term data.
+                * @param array|object $term  Term object or array.
+                */
                return apply_filters( 'xmlrpc_prepare_term', $_term, $term );
        }
 
@@ -698,6 +765,15 @@ class wp_xmlrpc_server extends IXR_Server {
                        }
                }
 
+               /**
+                * Filter XML-RPC-prepared date for the given post.
+                *
+                * @since 3.4.0
+                *
+                * @param array $_post  An array of modified post data.
+                * @param array $post   An array of post data.
+                * @param array $fields An array of post fields.
+                */
                return apply_filters( 'xmlrpc_prepare_post', $_post, $post, $fields );
        }
 
@@ -740,6 +816,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( in_array( 'taxonomies', $fields ) )
                        $_post_type['taxonomies'] = get_object_taxonomies( $post_type->name, 'names' );
 
+               /**
+                * Filter XML-RPC-prepared date for the given post type.
+                *
+                * @since 3.4.0
+                *
+                * @param array  $_post_type An array of post type data.
+                * @param object $post_type  Post type object.
+                */
                return apply_filters( 'xmlrpc_prepare_post_type', $_post_type, $post_type );
        }
 
@@ -770,6 +854,15 @@ class wp_xmlrpc_server extends IXR_Server {
                else
                        $_media_item['thumbnail'] = $_media_item['link'];
 
+               /**
+                * Filter XML-RPC-prepared data for the given media item.
+                *
+                * @since 3.4.0
+                *
+                * @param array  $_media_item    An array of media item data.
+                * @param object $media_item     Media item object.
+                * @param string $thumbnail_size Image size.
+                */
                return apply_filters( 'xmlrpc_prepare_media_item', $_media_item, $media_item, $thumbnail_size );
        }
 
@@ -841,6 +934,14 @@ class wp_xmlrpc_server extends IXR_Server {
                        'wp_page_template'       => $page_template
                );
 
+               /**
+                * Filter XML-RPC-prepared data for the given page.
+                *
+                * @since 3.4.0
+                *
+                * @param array   $_page An array of page data.
+                * @param WP_Post $page  Page object.
+                */
                return apply_filters( 'xmlrpc_prepare_page', $_page, $page );
        }
 
@@ -883,6 +984,14 @@ class wp_xmlrpc_server extends IXR_Server {
                        'type'             => $comment->comment_type,
                );
 
+               /**
+                * Filter XML-RPC-prepared data for the given comment.
+                *
+                * @since 3.4.0
+                *
+                * @param array  $_comment An array of prepared comment data.
+                * @param object $comment  Comment object.
+                */
                return apply_filters( 'xmlrpc_prepare_comment', $_comment, $comment );
        }
 
@@ -923,6 +1032,15 @@ class wp_xmlrpc_server extends IXR_Server {
                        $_user = array_merge( $_user, $requested_fields );
                }
 
+               /**
+                * Filter XML-RPC-prepared data for the given user.
+                *
+                * @since 3.5.0
+                *
+                * @param array   $_user  An array of user data.
+                * @param WP_User $user   User object.
+                * @param array   $fields An array of user fields.
+                */
                return apply_filters( 'xmlrpc_prepare_user', $_user, $user, $fields );
        }
 
@@ -971,6 +1089,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.newPost' );
 
                unset( $content_struct['ID'] );
@@ -1130,6 +1249,7 @@ class wp_xmlrpc_server extends IXR_Server {
                                                return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
 
                                        $term_ids = $post_data['terms'][$taxonomy];
+                                       $terms[ $taxonomy ] = array();
                                        foreach ( $term_ids as $term_id ) {
                                                $term = get_term_by( 'id', $term_id, $taxonomy );
 
@@ -1213,6 +1333,14 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $this->attach_uploads( $post_ID, $post_data['post_content'] );
 
+               /**
+                * Filter post data array to be inserted via XML-RPC.
+                *
+                * @since 3.4.0
+                *
+                * @param array $post_data      Parsed array of post data.
+                * @param array $content_struct Post data array.
+                */
                $post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct );
 
                $post_ID = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true );
@@ -1256,6 +1384,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.editPost' );
 
                $post = get_post( $post_id, ARRAY_A );
@@ -1317,6 +1446,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.deletePost' );
 
                $post = get_post( $post_id, ARRAY_A );
@@ -1389,14 +1519,24 @@ class wp_xmlrpc_server extends IXR_Server {
                $password           = $args[2];
                $post_id            = (int) $args[3];
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /**
+                        * Filter the list of post query fields used by the given XML-RPC method.
+                        *
+                        * @since 3.4.0
+                        *
+                        * @param array $fields  Array of post fields.
+                        * @param string $method Method name.
+                        */
                        $fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPost' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getPost' );
 
                $post = get_post( $post_id, ARRAY_A );
@@ -1445,14 +1585,17 @@ class wp_xmlrpc_server extends IXR_Server {
                $password   = $args[2];
                $filter     = isset( $args[3] ) ? $args[3] : array();
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                        $fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPosts' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getPosts' );
 
                $query = array();
@@ -1542,6 +1685,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.newTerm' );
 
                if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
@@ -1630,6 +1774,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.editTerm' );
 
                if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
@@ -1722,6 +1867,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.deleteTerm' );
 
                if ( ! taxonomy_exists( $taxonomy ) )
@@ -1789,6 +1935,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getTerm' );
 
                if ( ! taxonomy_exists( $taxonomy ) )
@@ -1842,6 +1989,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getTerms' );
 
                if ( ! taxonomy_exists( $taxonomy ) )
@@ -1913,14 +2061,24 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $taxonomy       = $args[3];
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /**
+                        * Filter the taxonomy query fields used by the given XML-RPC method.
+                        *
+                        * @since 3.4.0
+                        *
+                        * @param array  $fields An array of taxonomy fields to retrieve.
+                        * @param string $method The method name.
+                        */
                        $fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomy' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getTaxonomy' );
 
                if ( ! taxonomy_exists( $taxonomy ) )
@@ -1957,14 +2115,17 @@ class wp_xmlrpc_server extends IXR_Server {
                $password           = $args[2];
                $filter             = isset( $args[3] ) ? $args[3] : array( 'public' => true );
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                        $fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomies' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getTaxonomies' );
 
                $taxonomies = get_taxonomies( $filter, 'objects' );
@@ -2026,14 +2187,24 @@ class wp_xmlrpc_server extends IXR_Server {
                $password   = $args[2];
                $user_id    = (int) $args[3];
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /**
+                        * Filter the default user query fields used by the given XML-RPC method.
+                        *
+                        * @since 3.5.0
+                        *
+                        * @param array  $fields User query fields for given method. Default 'all'.
+                        * @param string $method The method name.
+                        */
                        $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUser' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getUser' );
 
                if ( ! current_user_can( 'edit_user', $user_id ) )
@@ -2079,14 +2250,17 @@ class wp_xmlrpc_server extends IXR_Server {
                $password   = $args[2];
                $filter     = isset( $args[3] ) ? $args[3] : array();
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                        $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUsers' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getUsers' );
 
                if ( ! current_user_can( 'list_users' ) )
@@ -2146,14 +2320,17 @@ class wp_xmlrpc_server extends IXR_Server {
                $username   = $args[1];
                $password   = $args[2];
 
-               if ( isset( $args[3] ) )
+               if ( isset( $args[3] ) ) {
                        $fields = $args[3];
-               else
+               } else {
+                       /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                        $fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getProfile' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getProfile' );
 
                if ( ! current_user_can( 'edit_user', $user->ID ) )
@@ -2197,6 +2374,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.editProfile' );
 
                if ( ! current_user_can( 'edit_user', $user->ID ) )
@@ -2270,7 +2448,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_page', $page_id ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit this page.' ) );
 
-               do_action('xmlrpc_call', 'wp.getPage');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getPage' );
 
                // If we found the page then format the data.
                if ( $page->ID && ($page->post_type == 'page') ) {
@@ -2308,7 +2487,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_pages' ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 
-               do_action('xmlrpc_call', 'wp.getPages');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getPages' );
 
                $pages = get_posts( array('post_type' => 'page', 'post_status' => 'any', 'numberposts' => $num_pages) );
                $num_pages = count($pages);
@@ -2348,7 +2528,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'wp.newPage');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.newPage' );
 
                // Mark this as content for a page.
                $args[3]["post_type"] = 'page';
@@ -2376,7 +2557,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'wp.deletePage');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.deletePage' );
 
                // Get the current page based on the page_id and
                // make sure it is a page and not a post.
@@ -2393,6 +2575,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$result )
                        return(new IXR_Error(500, __('Failed to delete the page.')));
 
+               /**
+                * Fires after a page has been successfully deleted via XML-RPC.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $page_id ID of the deleted page.
+                * @param array $args    An array of arguments to delete the page.
+                */
                do_action( 'xmlrpc_call_success_wp_deletePage', $page_id, $args );
 
                return(true);
@@ -2418,7 +2608,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'wp.editPage');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.editPage' );
 
                // Get the page data and make sure it is a page.
                $actual_page = get_post($page_id, ARRAY_A);
@@ -2468,7 +2659,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_pages' ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit pages.' ) );
 
-               do_action('xmlrpc_call', 'wp.getPageList');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getPageList' );
 
                // Get list of pages ids and titles
                $page_list = $wpdb->get_results("
@@ -2519,7 +2711,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can('edit_posts') )
                        return(new IXR_Error(401, __('Sorry, you cannot edit posts on this site.')));
 
-               do_action('xmlrpc_call', 'wp.getAuthors');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getAuthors' );
 
                $authors = array();
                foreach ( get_users( array( 'fields' => array('ID','user_login','display_name') ) ) as $user ) {
@@ -2554,6 +2747,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view tags.' ) );
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getKeywords' );
 
                $tags = array();
@@ -2593,7 +2787,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'wp.newCategory');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.newCategory' );
 
                // Make sure the user is allowed to add a category.
                if ( !current_user_can('manage_categories') )
@@ -2630,6 +2825,14 @@ class wp_xmlrpc_server extends IXR_Server {
                        return(new IXR_Error(500, __('Sorry, the new category failed.')));
                }
 
+               /**
+                * Fires after a new category has been successfully created via XML-RPC.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $cat_id ID of the new category.
+                * @param array $args   An array of new category arguments.
+                */
                do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args );
 
                return $cat_id;
@@ -2654,15 +2857,25 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'wp.deleteCategory');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.deleteCategory' );
 
                if ( !current_user_can('manage_categories') )
                        return new IXR_Error( 401, __( 'Sorry, you do not have the right to delete a category.' ) );
 
                $status = wp_delete_term( $category_id, 'category' );
 
-               if( true == $status )
+               if ( true == $status ) {
+                       /**
+                        * Fires after a category has been successfully deleted via XML-RPC.
+                        *
+                        * @since 3.4.0
+                        *
+                        * @param int   $category_id ID of the deleted category.
+                        * @param array $args        An array of arguments to delete the category.
+                        */
                        do_action( 'xmlrpc_call_success_wp_deleteCategory', $category_id, $args );
+               }
 
                return $status;
        }
@@ -2690,7 +2903,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts to this site in order to view categories.' ) );
 
-               do_action('xmlrpc_call', 'wp.suggestCategories');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.suggestCategories' );
 
                $category_suggestions = array();
                $args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
@@ -2726,7 +2940,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'moderate_comments' ) )
                        return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.getComment');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getComment' );
 
                if ( ! $comment = get_comment($comment_id) )
                        return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
@@ -2767,7 +2982,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'moderate_comments' ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit comments.' ) );
 
-               do_action('xmlrpc_call', 'wp.getComments');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getComments' );
 
                if ( isset($struct['status']) )
                        $status = $struct['status'];
@@ -2833,12 +3049,22 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_comment', $comment_ID ) )
                        return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.deleteComment');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.deleteComment' );
 
                $status = wp_delete_comment( $comment_ID );
 
-               if( true == $status )
+               if ( true == $status ) {
+                       /**
+                        * Fires after a comment has been successfully deleted via XML-RPC.
+                        *
+                        * @since 3.4.0
+                        *
+                        * @param int   $comment_ID ID of the deleted comment.
+                        * @param array $args       An array of arguments to delete the comment.
+                        */
                        do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_ID, $args );
+               }
 
                return $status;
        }
@@ -2888,7 +3114,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_comment', $comment_ID ) )
                        return new IXR_Error( 403, __( 'You are not allowed to moderate comments on this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.editComment');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.editComment' );
 
                if ( isset($content_struct['status']) ) {
                        $statuses = get_comment_statuses();
@@ -2929,6 +3156,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$result )
                        return new IXR_Error(500, __('Sorry, the comment could not be edited. Something wrong happened.'));
 
+               /**
+                * Fires after a comment has been successfully updated via XML-RPC.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $comment_ID ID of the updated comment.
+                * @param array $args       An array of arguments to update the comment.
+                */
                do_action( 'xmlrpc_call_success_wp_editComment', $comment_ID, $args );
 
                return true;
@@ -2953,7 +3188,15 @@ class wp_xmlrpc_server extends IXR_Server {
                $post           = $args[3];
                $content_struct = $args[4];
 
-               $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false);
+               /**
+                * Filter whether to allow anonymous comments over XML-RPC.
+                *
+                * @since 2.7.0
+                *
+                * @param bool $allow Whether to allow anonymous commenting via XML-RPC.
+                *                    Default false.
+                */
+               $allow_anon = apply_filters( 'xmlrpc_allow_anonymous_comments', false );
 
                $user = $this->login($username, $password);
 
@@ -3012,10 +3255,19 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $comment['comment_content'] =  isset($content_struct['content']) ? $content_struct['content'] : null;
 
-               do_action('xmlrpc_call', 'wp.newComment');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.newComment' );
 
                $comment_ID = wp_new_comment( $comment );
 
+               /**
+                * Fires after a new comment has been successfully created via XML-RPC.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $comment_ID ID of the new comment.
+                * @param array $args       An array of new comment arguments.
+                */
                do_action( 'xmlrpc_call_success_wp_newComment', $comment_ID, $args );
 
                return $comment_ID;
@@ -3042,7 +3294,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'moderate_comments' ) )
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.getCommentStatusList');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getCommentStatusList' );
 
                return get_comment_statuses();
        }
@@ -3069,7 +3322,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 403, __( 'You are not allowed access to details about comments.' ) );
 
-               do_action('xmlrpc_call', 'wp.getCommentCount');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getCommentCount' );
 
                $count = wp_count_comments( $post_id );
                return array(
@@ -3101,7 +3355,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.getPostStatusList');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getPostStatusList' );
 
                return get_post_statuses();
        }
@@ -3127,7 +3382,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_pages' ) )
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
 
-               do_action('xmlrpc_call', 'wp.getPageStatusList');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getPageStatusList' );
 
                return get_page_statuses();
        }
@@ -3243,7 +3499,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        if ( $this->blog_options[$o_name]['readonly'] == true )
                                continue;
 
-                       update_option( $this->blog_options[$o_name]['option'], $o_value );
+                       update_option( $this->blog_options[$o_name]['option'], wp_unslash( $o_value ) );
                }
 
                //Now return the updated values
@@ -3284,7 +3540,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'upload_files' ) )
                        return new IXR_Error( 403, __( 'You do not have permission to upload files.' ) );
 
-               do_action('xmlrpc_call', 'wp.getMediaItem');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getMediaItem' );
 
                if ( ! $attachment = get_post($attachment_id) )
                        return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
@@ -3329,7 +3586,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'upload_files' ) )
                        return new IXR_Error( 401, __( 'You do not have permission to upload files.' ) );
 
-               do_action('xmlrpc_call', 'wp.getMediaLibrary');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'wp.getMediaLibrary' );
 
                $parent_id = ( isset($struct['parent_id']) ) ? absint($struct['parent_id']) : '' ;
                $mime_type = ( isset($struct['mime_type']) ) ? $struct['mime_type'] : '' ;
@@ -3349,7 +3607,7 @@ class wp_xmlrpc_server extends IXR_Server {
        /**
          * Retrieves a list of post formats used by the site
          *
-         * @since 3.1
+         * @since 3.1.0
          *
          * @param array $args Method parameters. Contains:
          *  - blog_id
@@ -3370,6 +3628,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 403, __( 'You are not allowed access to details about this site.' ) );
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getPostFormats' );
 
                $formats = get_post_format_strings();
@@ -3425,14 +3684,24 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $post_type_name = $args[3];
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /**
+                        * Filter the default query fields used by the given XML-RPC method.
+                        *
+                        * @since 3.4.0
+                        *
+                        * @param array  $fields An array of post type query fields for the given method.
+                        * @param string $method The method name.
+                        */
                        $fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );
+               }
 
                if ( !$user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getPostType' );
 
                if( ! post_type_exists( $post_type_name ) )
@@ -3471,14 +3740,17 @@ class wp_xmlrpc_server extends IXR_Server {
                $password           = $args[2];
                $filter             = isset( $args[3] ) ? $args[3] : array( 'public' => true );
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                        $fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostTypes' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getPostTypes' );
 
                $post_types = get_post_types( $filter, 'objects' );
@@ -3525,14 +3797,24 @@ class wp_xmlrpc_server extends IXR_Server {
                $password   = $args[2];
                $post_id    = (int) $args[3];
 
-               if ( isset( $args[4] ) )
+               if ( isset( $args[4] ) ) {
                        $fields = $args[4];
-               else
+               } else {
+                       /**
+                        * Filter the default revision query fields used by the given XML-RPC method.
+                        *
+                        * @since 3.5.0
+                        *
+                        * @param array  $field  An array of revision query fields.
+                        * @param string $method The method name.
+                        */
                        $fields = apply_filters( 'xmlrpc_default_revision_fields', array( 'post_date', 'post_date_gmt' ), 'wp.getRevisions' );
+               }
 
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.getRevisions' );
 
                if ( ! $post = get_post( $post_id ) )
@@ -3594,6 +3876,7 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login( $username, $password ) )
                        return $this->error;
 
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
                do_action( 'xmlrpc_call', 'wp.restoreRevision' );
 
                if ( ! $revision = wp_get_post_revision( $revision_id ) )
@@ -3643,7 +3926,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'blogger.getUsersBlogs');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.getUsersBlogs' );
 
                $is_admin = current_user_can('manage_options');
 
@@ -3710,7 +3994,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you do not have access to user data on this site.' ) );
 
-               do_action('xmlrpc_call', 'blogger.getUserInfo');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.getUserInfo' );
 
                $struct = array(
                        'nickname'  => $user->nickname,
@@ -3749,7 +4034,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_post', $post_ID ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
 
-               do_action('xmlrpc_call', 'blogger.getPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.getPost' );
 
                $categories = implode(',', wp_get_post_categories($post_ID));
 
@@ -3794,7 +4080,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit posts on this site.' ) );
 
-               do_action('xmlrpc_call', 'blogger.getRecentPosts');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.getRecentPosts' );
 
                $posts_list = wp_get_recent_posts( $query );
 
@@ -3872,7 +4159,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'blogger.newPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.newPost' );
 
                $cap = ($publish) ? 'publish_posts' : 'edit_posts';
                if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) || !current_user_can($cap) )
@@ -3900,6 +4188,14 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $this->attach_uploads( $post_ID, $post_content );
 
+               /**
+                * Fires after a new post has been successfully created via the XML-RPC Blogger API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $post_ID ID of the new post.
+                * @param array $args    An array of new post arguments.
+                */
                do_action( 'xmlrpc_call_success_blogger_newPost', $post_ID, $args );
 
                return $post_ID;
@@ -3926,7 +4222,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'blogger.editPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.editPost' );
 
                $actual_post = get_post($post_ID,ARRAY_A);
 
@@ -3956,6 +4253,14 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $this->attach_uploads( $ID, $post_content );
 
+               /**
+                * Fires after a post has been successfully updated via the XML-RPC Blogger API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $post_ID ID of the updated post.
+                * @param array $args    An array of arguments for the post to edit.
+                */
                do_action( 'xmlrpc_call_success_blogger_editPost', $post_ID, $args );
 
                return true;
@@ -3980,7 +4285,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'blogger.deletePost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'blogger.deletePost' );
 
                $actual_post = get_post($post_ID,ARRAY_A);
 
@@ -3995,6 +4301,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$result )
                        return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
 
+               /**
+                * Fires after a post has been successfully deleted via the XML-RPC Blogger API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $post_ID ID of the deleted post.
+                * @param array $args    An array of arguments to delete the post.
+                */
                do_action( 'xmlrpc_call_success_blogger_deletePost', $post_ID, $args );
 
                return true;
@@ -4051,7 +4365,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'metaWeblog.newPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.newPost' );
 
                $page_template = '';
                if ( !empty( $content_struct['post_type'] ) ) {
@@ -4305,6 +4620,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$post_ID )
                        return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
 
+               /**
+                * Fires after a new post has been successfully created via the XML-RPC MovableType API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $post_ID ID of the new post.
+                * @param array $args    An array of arguments to create the new post.
+                */
                do_action( 'xmlrpc_call_success_mw_newPost', $post_ID, $args );
 
                return strval($post_ID);
@@ -4370,7 +4693,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! $user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'metaWeblog.editPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.editPost' );
 
                $postdata = get_post( $post_ID, ARRAY_A );
 
@@ -4613,6 +4937,14 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( isset( $content_struct['wp_post_format'] ) )
                        set_post_format( $post_ID, $content_struct['wp_post_format'] );
 
+               /**
+                * Fires after a post has been successfully updated via the XML-RPC MovableType API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $post_ID ID of the updated post.
+                * @param array $args    An array of arguments to update the post.
+                */
                do_action( 'xmlrpc_call_success_mw_editPost', $post_ID, $args );
 
                return true;
@@ -4644,7 +4976,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_post', $post_ID ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit this post.' ) );
 
-               do_action('xmlrpc_call', 'metaWeblog.getPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.getPost' );
 
                if ($postdata['post_date'] != '') {
                        $post_date = $this->_convert_date( $postdata['post_date'] );
@@ -4768,7 +5101,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( ! current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you cannot edit posts on this site.' ) );
 
-               do_action('xmlrpc_call', 'metaWeblog.getRecentPosts');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.getRecentPosts' );
 
                $posts_list = wp_get_recent_posts( $query );
 
@@ -4845,7 +5179,8 @@ class wp_xmlrpc_server extends IXR_Server {
                                'custom_fields' => $this->get_custom_fields($entry['ID']),
                                'wp_post_format' => $post_format,
                                'date_modified' => $post_modified,
-                               'date_modified_gmt' => $post_modified_gmt
+                               'date_modified_gmt' => $post_modified_gmt,
+                               'sticky' => ( $entry['post_type'] === 'post' && is_sticky( $entry['ID'] ) ),
                        );
 
                        $entry_index = count( $struct ) - 1;
@@ -4882,7 +5217,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
 
-               do_action('xmlrpc_call', 'metaWeblog.getCategories');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.getCategories' );
 
                $categories_struct = array();
 
@@ -4930,15 +5266,27 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'metaWeblog.newMediaObject');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'metaWeblog.newMediaObject' );
 
                if ( !current_user_can('upload_files') ) {
                        $this->error = new IXR_Error( 401, __( 'You do not have permission to upload files.' ) );
                        return $this->error;
                }
 
-               if ( $upload_err = apply_filters( 'pre_upload_error', false ) )
-                       return new IXR_Error(500, $upload_err);
+               /**
+                * Filter whether to preempt the XML-RPC media upload.
+                *
+                * Passing a truthy value will effectively short-circuit the media upload,
+                * returning that value as a 500 error instead.
+                *
+                * @since 2.1.0
+                *
+                * @param bool $error Whether to pre-empt the media upload. Default false.
+                */
+               if ( $upload_err = apply_filters( 'pre_upload_error', false ) ) {
+                       return new IXR_Error( 500, $upload_err );
+               }
 
                if ( !empty($data['overwrite']) && ($data['overwrite'] == true) ) {
                        // Get postmeta info on the object.
@@ -4984,6 +5332,14 @@ class wp_xmlrpc_server extends IXR_Server {
                $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
                wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
 
+               /**
+                * Fires after a new attachment has been added via the XML-RPC MovableType API.
+                *
+                * @since 3.4.0
+                *
+                * @param int   $id   ID of the new attachment.
+                * @param array $args An array of arguments to add the attachment.
+                */
                do_action( 'xmlrpc_call_success_mw_newMediaObject', $id, $args );
 
                $struct = array(
@@ -4992,6 +5348,8 @@ class wp_xmlrpc_server extends IXR_Server {
                        'url'  => $upload[ 'url' ],
                        'type' => $type
                );
+
+               /** This filter is documented in wp-admin/includes/file.php */
                return apply_filters( 'wp_handle_upload', $struct, 'upload' );
        }
 
@@ -5022,7 +5380,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'mt.getRecentPostTitles');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.getRecentPostTitles' );
 
                $posts_list = wp_get_recent_posts( $query );
 
@@ -5081,7 +5440,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_posts' ) )
                        return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
 
-               do_action('xmlrpc_call', 'mt.getCategoryList');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.getCategoryList' );
 
                $categories_struct = array();
 
@@ -5122,7 +5482,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !current_user_can( 'edit_post', $post_ID ) )
                        return new IXR_Error( 401, __( 'Sorry, you can not edit this post.' ) );
 
-               do_action('xmlrpc_call', 'mt.getPostCategories');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.getPostCategories' );
 
                $categories = array();
                $catids = wp_get_post_categories(intval($post_ID));
@@ -5160,7 +5521,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'mt.setPostCategories');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.setPostCategories' );
 
                if ( ! get_post( $post_ID ) )
                        return new IXR_Error( 404, __( 'Invalid post ID.' ) );
@@ -5188,7 +5550,8 @@ class wp_xmlrpc_server extends IXR_Server {
         */
        function mt_supportedMethods($args) {
 
-               do_action('xmlrpc_call', 'mt.supportedMethods');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.supportedMethods' );
 
                $supported_methods = array();
                foreach ( $this->methods as $key => $value ) {
@@ -5206,8 +5569,17 @@ class wp_xmlrpc_server extends IXR_Server {
         * @param array $args Method parameters.
         */
        function mt_supportedTextFilters($args) {
-               do_action('xmlrpc_call', 'mt.supportedTextFilters');
-               return apply_filters('xmlrpc_text_filters', array());
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.supportedTextFilters' );
+
+               /**
+                * Filter the MoveableType text filters list for XML-RPC.
+                *
+                * @since 2.2.0
+                *
+                * @param array $filters An array of text filters.
+                */
+               return apply_filters( 'xmlrpc_text_filters', array() );
        }
 
        /**
@@ -5224,7 +5596,8 @@ class wp_xmlrpc_server extends IXR_Server {
 
                $post_ID = intval($args);
 
-               do_action('xmlrpc_call', 'mt.getTrackbackPings');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.getTrackbackPings' );
 
                $actual_post = get_post($post_ID, ARRAY_A);
 
@@ -5271,7 +5644,8 @@ class wp_xmlrpc_server extends IXR_Server {
                if ( !$user = $this->login($username, $password) )
                        return $this->error;
 
-               do_action('xmlrpc_call', 'mt.publishPost');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'mt.publishPost' );
 
                $postdata = get_post($post_ID, ARRAY_A);
                if ( ! $postdata )
@@ -5307,7 +5681,8 @@ class wp_xmlrpc_server extends IXR_Server {
        function pingback_ping($args) {
                global $wpdb;
 
-               do_action('xmlrpc_call', 'pingback.ping');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'pingback.ping' );
 
                $this->escape($args);
 
@@ -5320,7 +5695,16 @@ class wp_xmlrpc_server extends IXR_Server {
                $pagelinkedto = str_replace('&', '&', $pagelinkedto);
                $pagelinkedto = str_replace('&', '&', $pagelinkedto);
 
+               /**
+                * Filter the pingback source URI.
+                *
+                * @since 3.6.0
+                *
+                * @param string $pagelinkedfrom URI of the page linked from.
+                * @param string $pagelinkedto   URI of the page linked to.
+                */
                $pagelinkedfrom = apply_filters( 'pingback_ping_source_uri', $pagelinkedfrom, $pagelinkedto );
+
                if ( ! $pagelinkedfrom )
                        return $this->pingback_error( 0, __( 'A valid URL was not provided.' ) );
 
@@ -5391,6 +5775,8 @@ class wp_xmlrpc_server extends IXR_Server {
                sleep(1);
 
                $remote_ip = preg_replace( '/[^0-9a-fA-F:., ]/', '', $_SERVER['REMOTE_ADDR'] );
+
+               /** This filter is documented in wp-includes/class-http.php */
                $user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . $GLOBALS['wp_version'] . '; ' . get_bloginfo( 'url' ) );
 
                // Let's check the remote site
@@ -5403,12 +5789,21 @@ class wp_xmlrpc_server extends IXR_Server {
                                'X-Pingback-Forwarded-For' => $remote_ip,
                        ),
                );
-               $linea = wp_remote_retrieve_body( wp_safe_remote_get( $pagelinkedfrom, $http_api_args ) );
+               $request = wp_safe_remote_get( $pagelinkedfrom, $http_api_args );
+               $linea = wp_remote_retrieve_body( $request );
 
                if ( !$linea )
-                       return $this->pingback_error( 16, __( 'The source URL does not exist.' ) );
-
-               $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto);
+                       return $this->pingback_error( 16, __( 'The source URL does not exist.' ) );
+
+               /**
+                * Filter the pingback remote source.
+                *
+                * @since 2.5.0
+                *
+                * @param string $linea        Response object for the page linked from.
+                * @param string $pagelinkedto URL of the page linked to.
+                */
+               $linea = apply_filters( 'pre_remote_source', $linea, $pagelinkedto );
 
                // Work around bug in strip_tags():
                $linea = str_replace('<!DOC', '<DOC', $linea);
@@ -5473,7 +5868,15 @@ class wp_xmlrpc_server extends IXR_Server {
                $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_content', 'comment_type');
 
                $comment_ID = wp_new_comment($commentdata);
-               do_action('pingback_post', $comment_ID);
+
+               /**
+                * Fires after a post pingback has been sent.
+                *
+                * @since 0.71
+                *
+                * @param int $comment_ID Comment ID.
+                */
+               do_action( 'pingback_post', $comment_ID );
 
                return sprintf(__('Pingback from %1$s to %2$s registered. Keep the web talking! :-)'), $pagelinkedfrom, $pagelinkedto);
        }
@@ -5492,7 +5895,8 @@ class wp_xmlrpc_server extends IXR_Server {
 
                global $wpdb;
 
-               do_action('xmlrpc_call', 'pingback.extensions.getPingbacks');
+               /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+               do_action( 'xmlrpc_call', 'pingback.extensions.getPingbacks' );
 
                $this->escape($args);
 
@@ -5526,6 +5930,13 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        protected function pingback_error( $code, $message ) {
+               /**
+                * Filter the XML-RPC pingback error return.
+                *
+                * @since 3.5.1
+                *
+                * @param IXR_Error $error An IXR_Error object containing the error code and message.
+                */
                return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );
        }
 }