]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - xmlrpc.php
Wordpress 2.8
[autoinstalls/wordpress.git] / xmlrpc.php
index c04abed0afa85ca81cd360dfd77dd4c1f3230b3a..55279426cb1c76dca5d8cd583856541dc7020aea 100644 (file)
@@ -1,5 +1,16 @@
 <?php
-
+/**
+ * XML-RPC protocol support for WordPress
+ *
+ * @license GPL v2 <./license.txt>
+ * @package WordPress
+ */
+
+/**
+ * Whether this is a XMLRPC Request
+ *
+ * @var bool
+ */
 define('XMLRPC_REQUEST', true);
 
 // Some browser-embedded clients send cookies. We don't want them.
@@ -11,11 +22,12 @@ if ( !isset( $HTTP_RAW_POST_DATA ) ) {
        $HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
 }
 
-# fix for mozBlog and other cases where '<?xml' isn't on the very first line
+// fix for mozBlog and other cases where '<?xml' isn't on the very first line
 if ( isset($HTTP_RAW_POST_DATA) )
        $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
 
-include('./wp-config.php');
+/** Include the bootstrap for setting up WordPress environment */
+include('./wp-load.php');
 
 if ( isset( $_GET['rsd'] ) ) { // http://archipelago.phrasewise.com/rsd
 header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
@@ -27,11 +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 bloginfo_rss('wpurl') ?>/xmlrpc.php" />
-      <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
-      <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
-      <api name="Blogger" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
-      <api name="Atom" blogID="" preferred="false" apiLink="<?php echo apply_filters('atom_service_url', (get_bloginfo('url')."/wp-app.php/service"))?>" />
+      <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') ) ?>" />
     </apis>
   </service>
 </rsd>
@@ -45,10 +57,32 @@ include_once(ABSPATH . WPINC . '/class-IXR.php');
 // Turn off all warnings and errors.
 // error_reporting(0);
 
-$post_default_title = ""; // posts submitted via the xmlrpc interface get that title
-
+/**
+ * Posts submitted via the xmlrpc interface get that title
+ * @name post_default_title
+ * @var string
+ */
+$post_default_title = "";
+
+/**
+ * Whether to enable XMLRPC Logging.
+ *
+ * @name xmlrpc_logging
+ * @var int|bool
+ */
 $xmlrpc_logging = 0;
 
+/**
+ * logIO() - Writes logging info to a file.
+ *
+ * @uses $xmlrpc_logging
+ * @package WordPress
+ * @subpackage Logging
+ *
+ * @param string $io Whether input or output
+ * @param string $msg Information describing logging reason.
+ * @return bool Always return true
+ */
 function logIO($io,$msg) {
        global $xmlrpc_logging;
        if ($xmlrpc_logging) {
@@ -59,21 +93,42 @@ function logIO($io,$msg) {
                fclose($fp);
        }
        return true;
-       }
-
-function starify($string) {
-       $i = strlen($string);
-       return str_repeat('*', $i);
 }
 
 if ( isset($HTTP_RAW_POST_DATA) )
-  logIO("I", $HTTP_RAW_POST_DATA);
-
+       logIO("I", $HTTP_RAW_POST_DATA);
+
+/**
+ * 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
+                       'wp.getUsersBlogs'              => 'this:wp_getUsersBlogs',
                        'wp.getPage'                    => 'this:wp_getPage',
                        'wp.getPages'                   => 'this:wp_getPages',
                        'wp.newPage'                    => 'this:wp_newPage',
@@ -82,6 +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',
@@ -89,6 +145,15 @@ class wp_xmlrpc_server extends IXR_Server {
                        'wp.getCommentCount'    => 'this:wp_getCommentCount',
                        'wp.getPostStatusList'  => 'this:wp_getPostStatusList',
                        'wp.getPageStatusList'  => 'this:wp_getPageStatusList',
+                       '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',
@@ -133,21 +198,55 @@ class wp_xmlrpc_server extends IXR_Server {
                        'demo.sayHello' => 'this:sayHello',
                        'demo.addTwoNumbers' => 'this:addTwoNumbers'
                );
+
+               $this->initialise_blog_option_info( );
                $this->methods = apply_filters('xmlrpc_methods', $this->methods);
                $this->IXR_Server($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' ) ) {
+                       $this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this blog.  An admin user can enable them at %s'),  admin_url('options-writing.php') ) );
+                       return false;
+               }
+
                if (!user_pass_ok($user_login, $user_pass)) {
                        $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
                        return false;
@@ -155,6 +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;
 
@@ -174,6 +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;
 
@@ -195,6 +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;
 
@@ -218,8 +367,123 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 
        /**
-        * WordPress XML-RPC API
-        * wp_getPage
+        * Setup blog options property.
+        *
+        * Passes property through 'xmlrpc_blog_options' filter.
+        *
+        * @since 2.6.0
+        */
+       function initialise_blog_option_info( ) {
+               global $wp_version;
+
+               $this->blog_options = array(
+                       // Read only options
+                       'software_name'         => array(
+                               'desc'                  => __( 'Software Name' ),
+                               'readonly'              => true,
+                               'value'                 => 'WordPress'
+                       ),
+                       'software_version'      => array(
+                               'desc'                  => __( 'Software Version' ),
+                               'readonly'              => true,
+                               'value'                 => $wp_version
+                       ),
+                       'blog_url'                      => array(
+                               'desc'                  => __( 'Blog URL' ),
+                               'readonly'              => true,
+                               'option'                => 'siteurl'
+                       ),
+
+                       // Updatable options
+                       'time_zone'                     => array(
+                               'desc'                  => __( 'Time Zone' ),
+                               'readonly'              => false,
+                               'option'                => 'gmt_offset'
+                       ),
+                       'blog_title'            => array(
+                               'desc'                  => __( 'Blog Title' ),
+                               'readonly'              => false,
+                               'option'                        => 'blogname'
+                       ),
+                       'blog_tagline'          => array(
+                               'desc'                  => __( 'Blog Tagline' ),
+                               'readonly'              => false,
+                               'option'                => 'blogdescription'
+                       ),
+                       'date_format'           => array(
+                               'desc'                  => __( 'Date Format' ),
+                               'readonly'              => false,
+                               'option'                => 'date_format'
+                       ),
+                       'time_format'           => array(
+                               'desc'                  => __( 'Time Format' ),
+                               'readonly'              => false,
+                               'option'                => 'time_format'
+                       )
+               );
+
+               $this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
+       }
+
+       /**
+        * 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
+               if( !function_exists( 'is_site_admin' ) ) {
+                       array_unshift( $args, 1 );
+                       return $this->blogger_getUsersBlogs( $args );
+               }
+
+               $this->escape( $args );
+
+               $username = $args[0];
+               $password = $args[1];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
+
+               $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 != $current_site->id )
+                               continue;
+
+                       $blog_id = $blog->userblog_id;
+                       switch_to_blog($blog_id);
+                       $is_admin = current_user_can('level_8');
+
+                       $struct[] = array(
+                               'isAdmin'               => $is_admin,
+                               'url'                   => get_option( 'home' ) . '/',
+                               'blogid'                => $blog_id,
+                               'blogName'              => get_option( 'blogname' ),
+                               'xmlrpc'                => site_url( 'xmlrpc.php' )
+                       );
+
+                       restore_current_blog( );
+               }
+
+               return $struct;
+       }
+
+       /**
+        * Retrieve page.
+        *
+        * @since 2.2.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
        function wp_getPage($args) {
                $this->escape($args);
@@ -229,13 +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');
 
@@ -256,12 +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();
@@ -272,6 +535,10 @@ class wp_xmlrpc_server extends IXR_Server {
                        // Get the author info.
                        $author = get_userdata($page->post_author);
 
+                       $page_template = get_post_meta( $page->ID, '_wp_page_template', true );
+                       if( empty( $page_template ) )
+                               $page_template = 'default';
+
                        $page_struct = array(
                                "dateCreated"                   => new IXR_Date($page_date),
                                "userid"                                => $page->post_author,
@@ -295,7 +562,8 @@ class wp_xmlrpc_server extends IXR_Server {
                                "wp_author_id"                  => $author->ID,
                                "wp_author_display_name"        => $author->display_name,
                                "date_created_gmt"              => new IXR_Date($page_date_gmt),
-                               "custom_fields"                 => $this->get_custom_fields($page_id)
+                               "custom_fields"                 => $this->get_custom_fields($page_id),
+                               "wp_page_template"              => $page_template
                        );
 
                        return($page_struct);
@@ -307,8 +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);
@@ -316,19 +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.
@@ -351,8 +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.
@@ -361,17 +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.
@@ -382,8 +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);
@@ -393,8 +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');
@@ -409,8 +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.")));
                }
@@ -425,8 +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.
@@ -437,8 +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');
@@ -452,8 +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.")));
                }
@@ -475,8 +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;
@@ -487,13 +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');
 
@@ -512,8 +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);
@@ -526,8 +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) {
 
@@ -537,14 +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');
 
@@ -561,8 +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);
@@ -572,15 +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.")));
                }
@@ -617,8 +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);
@@ -628,13 +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." ) );
                }
@@ -642,10 +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);
@@ -656,11 +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.' ) );
 
@@ -678,6 +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);
 
@@ -686,21 +1368,33 @@ class wp_xmlrpc_server extends IXR_Server {
                $password       = $args[2];
                $post_id        = (int) $args[3];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
-                       return new IXR_Error( 403, __( 'Bad login/pass combination.' ) );
+               if ( !$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.' ) );
                }
 
                do_action('xmlrpc_call', 'wp.getCommentCount');
 
-               return get_comment_count( $post_id );
+               $count = wp_count_comments( $post_id );
+               return array(
+                       "approved" => $count->approved,
+                       "awaiting_moderation" => $count->moderated,
+                       "spam" => $count->spam,
+                       "total_comments" => $count->total_comments
+               );
        }
 
-
+       /**
+        * Retrieve post statuses.
+        *
+        * @since 2.5.0
+        *
+        * @param array $args Method parameters.
+        * @return array
+        */
        function wp_getPostStatusList( $args ) {
                $this->escape( $args );
 
@@ -708,11 +1402,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
-                       return new IXR_Error( 403, __( 'Bad login/pass combination.' ) );
+               if ( !$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.' ) );
                }
@@ -722,7 +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 );
 
@@ -730,11 +1430,10 @@ class wp_xmlrpc_server extends IXR_Server {
                $username       = $args[1];
                $password       = $args[2];
 
-               if( !$this->login_pass_ok( $username, $password ) ) {
-                       return new IXR_Error( 403, __( 'Bad login/pass combination.' ) );
+               if ( !$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.' ) );
                }
@@ -744,88 +1443,229 @@ 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 );
 
-       /* Blogger API functions
-        * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
+               $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_pages' ) ) {
+                       return new IXR_Error( 403, __( 'You are not allowed access to details about this blog.' ) );
+               }
+
+               $templates = get_page_templates( );
+               $templates['Default'] = 'default';
+
+               return $templates;
+       }
+
+       /**
+        * Retrieve blog options.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return array
         */
+       function wp_getOptions( $args ) {
+               $this->escape( $args );
 
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $options        = (array) $args[3];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               // If no specific options where asked for, return all of them
+               if (count( $options ) == 0 ) {
+                       $options = array_keys($this->blog_options);
+               }
 
-       /* blogger.getUsersBlogs will make more sense once we support multiple blogs */
+               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( );
+               foreach( $options as $option ) {
+                       if( array_key_exists( $option, $this->blog_options ) )
+                       {
+                               $data[$option] = $this->blog_options[$option];
+                               //Is the value static or dynamic?
+                               if( isset( $data[$option]['option'] ) ) {
+                                       $data[$option]['value'] = get_option( $data[$option]['option'] );
+                                       unset($data[$option]['option']);
+                               }
+                       }
+               }
+
+               return $data;
+       }
+
+       /**
+        * Update blog options.
+        *
+        * @since 2.6.0
+        *
+        * @param array $args Method parameters.
+        * @return unknown
+        */
+       function wp_setOptions( $args ) {
+               $this->escape( $args );
+
+               $blog_id        = (int) $args[0];
+               $username       = $args[1];
+               $password       = $args[2];
+               $options        = (array) $args[3];
+
+               if ( !$user = $this->login($username, $password) ) {
+                       return $this->error;
+               }
+
+               if( !current_user_can( 'manage_options' ) )
+                       return new IXR_Error( 403, __( 'You are not allowed to update options.' ) );
+
+               foreach( $options as $o_name => $o_value ) {
+                       $option_names[] = $o_name;
+                       if( empty( $o_value ) )
+                               continue;
+
+                       if( !array_key_exists( $o_name, $this->blog_options ) )
+                               continue;
+
+                       if( $this->blog_options[$o_name]['readonly'] == true )
+                               continue;
+
+                       update_option( $this->blog_options[$o_name]['option'], $o_value );
+               }
+
+               //Now return the updated values
+               return $this->_getOptions($option_names);
+       }
+
+       /* Blogger API functions.
+        * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
+        */
+
+       /**
+        * 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('level_8');
+               $is_admin = current_user_can('manage_options');
 
                $struct = array(
                        'isAdmin'  => $is_admin,
                        'url'      => get_option('home') . '/',
                        'blogid'   => '1',
-                       'blogName' => get_option('blogname')
+                       'blogName' => get_option('blogname'),
+                       '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');
 
@@ -839,7 +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']
                );
@@ -847,18 +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;
                }
 
@@ -866,8 +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;
@@ -877,7 +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>';
@@ -901,63 +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 */
@@ -974,26 +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.'));
 
@@ -1024,18 +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;
                }
 
@@ -1043,13 +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.'));
 
@@ -1074,17 +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;
                }
 
@@ -1092,11 +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.'));
 
@@ -1109,37 +1979,44 @@ 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');
 
                $cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
                $error_message = __( 'Sorry, you are not allowed to publish posts on this blog.' );
                $post_type = 'post';
+               $page_template = '';
                if( !empty( $content_struct['post_type'] ) ) {
                        if( $content_struct['post_type'] == 'page' ) {
                                $cap = ( $publish ) ? 'publish_pages' : 'edit_pages';
                                $error_message = __( 'Sorry, you are not allowed to publish pages on this blog.' );
                                $post_type = 'page';
+                               if( !empty( $content_struct['wp_page_template'] ) )
+                                       $page_template = $content_struct['wp_page_template'];
                        }
                        elseif( $content_struct['post_type'] == 'post' ) {
                                // This is the default, no changes needed
@@ -1296,7 +2173,7 @@ class wp_xmlrpc_server extends IXR_Server {
                }
 
                if ($post_more) {
-                       $post_content = $post_content . "\n<!--more-->\n" . $post_more;
+                       $post_content = $post_content . "<!--more-->" . $post_more;
                }
 
                $to_ping = $content_struct['mt_tb_ping_urls'];
@@ -1328,9 +2205,9 @@ class wp_xmlrpc_server extends IXR_Server {
                }
 
                // We've got all the data -- post it:
-               $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'to_ping', 'post_type', 'post_name', 'post_password', 'post_parent', 'menu_order', 'tags_input');
+               $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'to_ping', 'post_type', 'post_name', 'post_password', 'post_parent', 'menu_order', 'tags_input', 'page_template');
 
-               $post_ID = wp_insert_post($postdata);
+               $post_ID = wp_insert_post($postdata, true);
                if ( is_wp_error( $post_ID ) )
                        return new IXR_Error(500, $post_ID->get_error_message());
 
@@ -1338,10 +2215,20 @@ 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
+               $this->add_enclosure_if_new($post_ID, $content_struct['enclosure']);
+
                $this->attach_uploads( $post_ID, $post_content );
 
                logIO('O', "Posted ! ID: $post_ID");
@@ -1349,6 +2236,35 @@ class wp_xmlrpc_server extends IXR_Server {
                return strval($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;
 
@@ -1357,38 +2273,47 @@ class wp_xmlrpc_server extends IXR_Server {
                if( is_array( $attachments ) ) {
                        foreach( $attachments as $file ) {
                                if( strpos( $post_content, $file->guid ) !== false ) {
-                                       $wpdb->query( "UPDATE {$wpdb->posts} SET post_parent = '$post_ID' WHERE ID = '{$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');
 
                $cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
                $error_message = __( 'Sorry, you are not allowed to publish posts on this blog.' );
                $post_type = 'post';
+               $page_template = '';
                if( !empty( $content_struct['post_type'] ) ) {
                        if( $content_struct['post_type'] == 'page' ) {
                                $cap = ( $publish ) ? 'publish_pages' : 'edit_pages';
                                $error_message = __( 'Sorry, you are not allowed to publish pages on this blog.' );
                                $post_type = 'page';
+                               if( !empty( $content_struct['wp_page_template'] ) )
+                                       $page_template = $content_struct['wp_page_template'];
                        }
                        elseif( $content_struct['post_type'] == 'post' ) {
                                // This is the default, no changes needed
@@ -1409,7 +2334,7 @@ class wp_xmlrpc_server extends IXR_Server {
                // now and return an error.  Other wise a new post will be
                // created (which was the old behavior).
                if(empty($postdata["ID"])) {
-                       return(new IXR_Error(404, __("Invalid post id.")));
+                       return(new IXR_Error(404, __("Invalid post ID.")));
                }
 
                $this->escape($postdata);
@@ -1565,7 +2490,7 @@ class wp_xmlrpc_server extends IXR_Server {
                }
 
                if ($post_more) {
-                       $post_content = $post_content . "\n<!--more-->\n" . $post_more;
+                       $post_content = $post_content . "<!--more-->" . $post_more;
                }
 
                $to_ping = $content_struct['mt_tb_ping_urls'];
@@ -1587,17 +2512,30 @@ class wp_xmlrpc_server extends IXR_Server {
                }
 
                // We've got all the data -- post it:
-               $newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input');
+               $newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template');
+
+               $result = wp_update_post($newpost, true);
+               if ( is_wp_error( $result ) )
+                       return new IXR_Error(500, $result->get_error_message());
 
-               $result = wp_update_post($newpost);
                if (!$result) {
                        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
+               $this->add_enclosure_if_new($post_ID, $content_struct['enclosure']);
+
                $this->attach_uploads( $ID, $post_content );
 
                logIO('O',"(MW) Edited ! ID: $post_ID");
@@ -1605,31 +2543,36 @@ 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);
 
                        $categories = array();
                        $catids = wp_get_post_categories($post_ID);
@@ -1660,6 +2603,23 @@ 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'],
@@ -1682,27 +2642,36 @@ 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;
                }
 
@@ -1711,18 +2680,15 @@ 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']);
@@ -1763,8 +2729,8 @@ 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'],
@@ -1790,21 +2756,26 @@ 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.' ) );
 
@@ -1817,9 +2788,10 @@ 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;
                        }
@@ -1828,17 +2800,24 @@ 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'] );
@@ -1847,12 +2826,12 @@ 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.'));
@@ -1905,22 +2884,28 @@ 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;
                }
 
@@ -1933,14 +2918,12 @@ 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),
@@ -1960,21 +2943,26 @@ 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.' ) );
 
@@ -1994,21 +2982,26 @@ 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.' ) );
 
@@ -2030,26 +3023,31 @@ 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'];
@@ -2060,8 +3058,14 @@ 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');
@@ -2074,16 +3078,26 @@ 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;
@@ -2098,7 +3112,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        return new IXR_Error(404, __('Sorry, no such post.'));
                }
 
-               $comments = $wpdb->get_results("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = $post_ID");
+               $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
 
                if (!$comments) {
                        return array();
@@ -2120,25 +3134,30 @@ 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);
 
@@ -2154,13 +3173,18 @@ 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;
 
@@ -2211,7 +3235,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        } elseif (is_string($urltest['fragment'])) {
                                // ...or a string #title, a little more complicated
                                $title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
-                               $sql = "SELECT ID FROM $wpdb->posts WHERE post_title RLIKE '$title'";
+                               $sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", $title);
                                if (! ($post_ID = $wpdb->get_var($sql)) ) {
                                        // returning unknown error '0' is better than die()ing
                                        return new IXR_Error(0, '');
@@ -2220,7 +3244,7 @@ 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;
 
@@ -2230,17 +3254,17 @@ 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("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_ID' AND comment_author_url = '$pagelinkedfrom'");
+               $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) );
 
                if ( $wpdb->num_rows ) // We already have a Pingback from this URL
                        return new IXR_Error(48, __('The pingback has already been registered.'));
@@ -2303,7 +3327,7 @@ 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) $post_ID;
@@ -2322,15 +3346,21 @@ class wp_xmlrpc_server extends IXR_Server {
                return sprintf(__('Pingback from %1$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);
 
@@ -2339,7 +3369,7 @@ 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);
@@ -2349,7 +3379,7 @@ class wp_xmlrpc_server extends IXR_Server {
                        return new IXR_Error(32, __('The specified target URL does not exist.'));
                }
 
-               $comments = $wpdb->get_results("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = $post_ID");
+               $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
 
                if (!$comments) {
                        return array();
@@ -2365,7 +3395,6 @@ class wp_xmlrpc_server extends IXR_Server {
        }
 }
 
-
 $wp_xmlrpc_server = new wp_xmlrpc_server();
 
 ?>