root/trunk/xmlrpc.php

<?php

define('XMLRPC_REQUEST', true);

// Some browser-embedded clients send cookies. We don't want them.
$_COOKIE = array();

// A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default, 
// but we can do it ourself.
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
if ( isset($HTTP_RAW_POST_DATA) )
    $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);

include('./wp-config.php');

if ( isset( $_GET['rsd'] ) ) { // http://archipelago.phrasewise.com/rsd 
header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);

?>
<?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
<rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
  <service>
    <engineName>WordPress</engineName>
    <engineLink>http://wordpress.org/</engineLink>
    <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
    <apis>
      <api name="WordPress" blogID="1" preferred="false" apiLink="<?php bloginfo_rss('wpurl') ?>/xmlrpc.php" />
      <api name="Movable Type" blogID="1" preferred="true" 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" />
    </apis>
  </service>
</rsd>
<?php
exit;
}

include_once(ABSPATH . 'wp-admin/admin-functions.php');
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

$xmlrpc_logging = 0;

function logIO($io,$msg) {
    global $xmlrpc_logging;
    if ($xmlrpc_logging) {
        $fp = fopen("../xmlrpc.log","a+");
        $date = gmdate("Y-m-d H:i:s ");
        $iot = ($io == "I") ? " Input: " : " Output: ";
        fwrite($fp, "\n\n".$date.$iot.$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);


class wp_xmlrpc_server extends IXR_Server {

    function wp_xmlrpc_server() {
        $this->methods = array(
            // WordPress API
            'wp.getPage'            => 'this:wp_getPage',
            'wp.getPages'            => 'this:wp_getPages',
            'wp.newPage'            => 'this:wp_newPage',
            'wp.deletePage'            => 'this:wp_deletePage',
            'wp.editPage'            => 'this:wp_editPage',
            'wp.getPageList'        => 'this:wp_getPageList',
            'wp.getAuthors'            => 'this:wp_getAuthors',
            'wp.getCategories'        => 'this:mw_getCategories',        // Alias
            'wp.newCategory'        => 'this:wp_newCategory',
            'wp.suggestCategories'    => 'this:wp_suggestCategories',
            'wp.uploadFile'            => 'this:mw_newMediaObject',    // Alias

            // Blogger API
            'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
            'blogger.getUserInfo' => 'this:blogger_getUserInfo',
            'blogger.getPost' => 'this:blogger_getPost',
            'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
            'blogger.getTemplate' => 'this:blogger_getTemplate',
            'blogger.setTemplate' => 'this:blogger_setTemplate',
            'blogger.newPost' => 'this:blogger_newPost',
            'blogger.editPost' => 'this:blogger_editPost',
            'blogger.deletePost' => 'this:blogger_deletePost',

            // MetaWeblog API (with MT extensions to structs)
            'metaWeblog.newPost' => 'this:mw_newPost',
            'metaWeblog.editPost' => 'this:mw_editPost',
            'metaWeblog.getPost' => 'this:mw_getPost',
            'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
            'metaWeblog.getCategories' => 'this:mw_getCategories',
            'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',

            // MetaWeblog API aliases for Blogger API
            // see http://www.xmlrpc.com/stories/storyReader$2460
            'metaWeblog.deletePost' => 'this:blogger_deletePost',
            'metaWeblog.getTemplate' => 'this:blogger_getTemplate',
            'metaWeblog.setTemplate' => 'this:blogger_setTemplate',
            'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',

            // MovableType API
            'mt.getCategoryList' => 'this:mt_getCategoryList',
            'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
            'mt.getPostCategories' => 'this:mt_getPostCategories',
            'mt.setPostCategories' => 'this:mt_setPostCategories',
            'mt.supportedMethods' => 'this:mt_supportedMethods',
            'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
            'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
            'mt.publishPost' => 'this:mt_publishPost',

            // PingBack
            'pingback.ping' => 'this:pingback_ping',
            'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',

            'demo.sayHello' => 'this:sayHello',
            'demo.addTwoNumbers' => 'this:addTwoNumbers'
        );
        $this->methods = apply_filters('xmlrpc_methods', $this->methods);
        $this->IXR_Server($this->methods);
    }

    function sayHello($args) {
        return 'Hello!';
    }

    function addTwoNumbers($args) {
        $number1 = $args[0];
        $number2 = $args[1];
        return $number1 + $number2;
    }

    function login_pass_ok($user_login, $user_pass) {
        if (!user_pass_ok($user_login, $user_pass)) {
            $this->error = new IXR_Error(403, __('Bad login/pass combination.'));
            return false;
        }
        return true;
    }

    function escape(&$array) {
        global $wpdb;

        if(!is_array($array)) {
            return($wpdb->escape($array));
        }
        else {
            foreach ( (array) $array as $k => $v ) {
                if (is_array($v)) {
                    $this->escape($array[$k]);
                } else if (is_object($v)) {
                    //skip
                } else {
                    $array[$k] = $wpdb->escape($v);
                }
            }
        }
    }

    /**
     * WordPress XML-RPC API
     * wp_getPage
     */
    function wp_getPage($args) {
        $this->escape($args);

        $blog_id    = (int) $args[0];
        $page_id    = (int) $args[1];
        $username    = $args[2];
        $password    = $args[3];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Lookup page info.
        $page = get_page($page_id);

        // If we found the page then format the data.
        if($page->ID && ($page->post_type == "page")) {
            // Get all of the page content and link.
            $full_page = get_extended($page->post_content);
            $link = post_permalink($page->ID);

            // Get info the page parent if there is one.
            $parent_title = "";
            if(!empty($page->post_parent)) {
                $parent = get_page($page->post_parent);
                $parent_title = $parent->post_title;
            }

            // Determine comment and ping settings.
            $allow_comments = ("open" == $page->comment_status) ? 1 : 0;
            $allow_pings = ("open" == $page->ping_status) ? 1 : 0;

            // Format page date.
            $page_date = mysql2date("Ymd\TH:i:s\Z", $page->post_date_gmt);

            // Pull the categories info together.
            $categories = array();
            foreach(wp_get_post_categories($page->ID) as $cat_id) {
                $categories[] = get_cat_name($cat_id);
            }

            // Get the author info.
            $author = get_userdata($page->post_author);

            $page_struct = array(
                "dateCreated"            => new IXR_Date($page_date),
                "userid"                => $page->post_author,
                "page_id"                => $page->ID,
                "page_status"            => $page->post_status,
                "description"            => $full_page["main"],
                "title"                    => $page->post_title,
                "link"                    => $link,
                "permaLink"                => $link,
                "categories"            => $categories,
                "excerpt"                => $page->post_excerpt,
                "text_more"                => $full_page["extended"],
                "mt_allow_comments"        => $allow_comments,
                "mt_allow_pings"        => $allow_pings,
                "wp_slug"                => $page->post_name,
                "wp_password"            => $page->post_password,
                "wp_author"                => $author->display_name,
                "wp_page_parent_id"        => $page->post_parent,
                "wp_page_parent_title"    => $parent_title,
                "wp_page_order"            => $page->menu_order,
                "wp_author_id"            => $author->ID,
                "wp_author_display_name"    => $author->display_name
            );

            return($page_struct);
        }
        // If the page doesn't exist indicate that.
        else {
            return(new IXR_Error(404, __("Sorry, no such page.")));
        }
    }

    /**
     * WordPress XML-RPC API
      * wp_getPages
     */
    function wp_getPages($args) {
        $this->escape($args);

        $blog_id    = (int) $args[0];
        $username    = $args[1];
        $password    = $args[2];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Lookup info on pages.
        $pages = get_pages();
        $num_pages = count($pages);

        // If we have pages, put together their info.
        if($num_pages >= 1) {
            $pages_struct = array();

            for($i = 0; $i < $num_pages; $i++) {
                $page = wp_xmlrpc_server::wp_getPage(array(
                    $blog_id, $pages[$i]->ID, $username, $password
                ));
                $pages_struct[] = $page;
            }

            return($pages_struct);
        }
        // If no pages were found return an error.
        else {
            return(array());
        }
    }

    /**
     * WordPress XML-RPC API
      * wp_newPage
     */
    function wp_newPage($args) {
        // Items not escaped here will be escaped in newPost.
        $username    = $this->escape($args[1]);
        $password    = $this->escape($args[2]);
        $page        = $args[3];
        $publish    = $args[4];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Set the user context and check if they are allowed
        // to add new pages.
        $user = set_current_user(0, $username);
        if(!current_user_can("publish_pages")) {
            return(new IXR_Error(401, __("Sorry, you can not add new pages.")));
        }

        // Mark this as content for a page.
        $args[3]["post_type"] = "page";

        // Let mw_newPost do all of the heavy lifting.
        return($this->mw_newPost($args));
    }

    /**
     * WordPress XML-RPC API
     * wp_deletePage
     */
    function wp_deletePage($args) {
        $this->escape($args);

        $blog_id    = (int) $args[0];
        $username    = $args[1];
        $password    = $args[2];
        $page_id    = (int) $args[3];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Get the current page based on the page_id and
        // make sure it is a page and not a post.
        $actual_page = wp_get_single_post($page_id, ARRAY_A);
        if(
            !$actual_page
            || ($actual_page["post_type"] != "page")
        ) {
            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);
        if(!current_user_can("delete_page", $page_id)) {
            return(new IXR_Error(401, __("Sorry, you do not have the right to delete this page.")));
        }

        // Attempt to delete the page.
        $result = wp_delete_post($page_id);
        if(!$result) {
            return(new IXR_Error(500, __("Failed to delete the page.")));
        }

        return(true);
    }

    /**
     * WordPress XML-RPC API
     * wp_editPage
     */
    function wp_editPage($args) {
        // Items not escaped here will be escaped in editPost.
        $blog_id    = (int) $args[0];
        $page_id    = (int) $this->escape($args[1]);
        $username    = $this->escape($args[2]);
        $password    = $this->escape($args[3]);
        $content    = $args[4];
        $publish    = $args[5];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Get the page data and make sure it is a page.
        $actual_page = wp_get_single_post($page_id, ARRAY_A);
        if(
            !$actual_page
            || ($actual_page["post_type"] != "page")
        ) {
            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);
        if(!current_user_can("edit_page", $page_id)) {
            return(new IXR_Error(401, __("Sorry, you do not have the right to edit this page.")));
        }

        // Mark this as content for a page.
        $content["post_type"] = "page";

        // Arrange args in the way mw_editPost understands.
        $args = array(
            $page_id,
            $username,
            $password,
            $content,
            $publish
        );

        // Let mw_editPost do all of the heavy lifting.
        return($this->mw_editPost($args));
    }

    /**
     * WordPress XML-RPC API
     * wp_getPageList
     */
    function wp_getPageList($args) {
        global $wpdb;

        $this->escape($args);

        $blog_id                = (int) $args[0];
        $username                = $args[1];
        $password                = $args[2];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Get list of pages ids and titles
        $page_list = $wpdb->get_results("
            SELECT ID page_id,
                post_title page_title,
                post_parent page_parent_id,
                post_date_gmt
            FROM {$wpdb->posts}
            WHERE post_type = 'page'
            ORDER BY ID
        ");

        // 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\Z", $page_list[$i]->post_date_gmt);
            $page_list[$i]->dateCreated = new IXR_Date($post_date);

            unset($page_list[$i]->post_date_gmt);
        }

        return($page_list);
    }

    /**
     * WordPress XML-RPC API
     * wp_getAuthors
     */
    function wp_getAuthors($args) {
        global $wpdb;

        $this->escape($args);

        $blog_id    = (int) $args[0];
        $username    = $args[1];
        $password    = $args[2];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        return(get_users_of_blog());
    }

    /**
     * WordPress XML-RPC API
     * wp_newCategory
     */
    function wp_newCategory($args) {
        $this->escape($args);

        $blog_id                = (int) $args[0];
        $username                = $args[1];
        $password                = $args[2];
        $category                = $args[3];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Set the user context and make sure they are
        // allowed to add a category.
        set_current_user(0, $username);
        if(!current_user_can("manage_categories", $page_id)) {
            return(new IXR_Error(401, __("Sorry, you do not have the right to add a category.")));
        }

        // We need this to make use of the wp_insert_category()
        // funciton.
        require_once(ABSPATH . "wp-admin/admin-db.php");

        // If no slug was provided make it empty so that
        // WordPress will generate one.
        if(empty($category["slug"])) {
            $category["slug"] = "";
        }

        // If no parent_id was provided make it empty
        // so that it will be a top level page (no parent).
        if ( !isset($category["parent_id"]) )
            $category["parent_id"] = "";

        // If no description was provided make it empty.
        if(empty($category["description"])) {
            $category["description"] = "";
        }
    
        $new_category = array(
            "cat_name"                => $category["name"],
            "category_nicename"        => $category["slug"],
            "category_parent"        => $category["parent_id"],
            "category_description"    => $category["description"]
        );

        $cat_id = wp_insert_category($new_category);
        if(!$cat_id) {
            return(new IXR_Error(500, __("Sorry, the new category failed.")));
        }

        return($cat_id);
    }

    /**
     * WordPress XML-RPC API
     * wp_suggestCategories
     */
    function wp_suggestCategories($args) {
        global $wpdb;

        $this->escape($args);

        $blog_id                = (int) $args[0];
        $username                = $args[1];
        $password                = $args[2];
        $category                = $args[3];
        $max_results            = (int) $args[4];

        if(!$this->login_pass_ok($username, $password)) {
            return($this->error);
        }

        // Only set a limit if one was provided.
        $limit = "";
        if(!empty($max_results)) {
            $limit = "LIMIT {$max_results}";
        }

        $category_suggestions = $wpdb->get_results("
            SELECT cat_ID category_id,
                cat_name category_name
            FROM {$wpdb->categories}
            WHERE cat_name LIKE '{$category}%'
            {$limit}
        ");

        return($category_suggestions);
    }


    /* Blogger API functions
     * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
     */


    /* blogger.getUsersBlogs will make more sense once we support multiple blogs */
    function blogger_getUsersBlogs($args) {

        $this->escape($args);

        $user_login = $args[1];
        $user_pass  = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $user = set_current_user(0, $user_login);

        $blogs = (array) get_blogs_of_user($user->ID);

        $struct = array();

        foreach ( $blogs as $blog ) {
            $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')
            );

            restore_current_blog();
        }

      return $struct;
    }


    /* blogger.getUsersInfo gives your client some info about you, so you don't have to */
    function blogger_getUserInfo($args) {

        $this->escape($args);

        $user_login = $args[1];
        $user_pass  = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $user_data = get_userdatabylogin($user_login);

        $struct = array(
            'nickname'  => $user_data->nickname,
            'userid'    => $user_data->ID,
            'url'       => $user_data->user_url,
            'email'     => $user_data->user_email,
            'lastname'  => $user_data->last_name,
            'firstname' => $user_data->first_name
        );

        return $struct;
    }


    /* blogger.getPost ...gets a post */
    function blogger_getPost($args) {

        $this->escape($args);

        $post_ID    = (int) $args[1];
        $user_login = $args[2];
        $user_pass  = $args[3];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $user_data = get_userdatabylogin($user_login);
        $post_data = wp_get_single_post($post_ID, ARRAY_A);

        $categories = implode(',', wp_get_post_categories($post_ID));

        $content  = '<title>'.stripslashes($post_data['post_title']).'</title>';
        $content .= '<category>'.$categories.'</category>';
        $content .= stripslashes($post_data['post_content']);

        $struct = array(
            'userid'    => $post_data['post_author'],
            'dateCreated' => new IXR_Date(mysql2date('Ymd\TH:i:s', $post_data['post_date'])),
            'content'     => $content,
            'postid'  => $post_data['ID']
        );

        return $struct;
    }


    /* blogger.getRecentPosts ...gets recent posts */
    function blogger_getRecentPosts($args) {

        global $wpdb;

        $this->escape($args);

        $blog_ID    = (int) $args[1]; /* though we don't use it yet */
        $user_login = $args[2];
        $user_pass  = $args[3];
        $num_posts  = $args[4];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $posts_list = wp_get_recent_posts($num_posts);

        if (!$posts_list) {
            $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
            return $this->error;
        }

        foreach ($posts_list as $entry) {

            $post_date = mysql2date('Ymd\TH:i:s', $entry['post_date']);
            $categories = implode(',', wp_get_post_categories($entry['ID']));

            $content  = '<title>'.stripslashes($entry['post_title']).'</title>';
            $content .= '<category>'.$categories.'</category>';
            $content .= stripslashes($entry['post_content']);

            $struct[] = array(
                'userid' => $entry['post_author'],
                'dateCreated' => new IXR_Date($post_date),
                'content' => $content,
                'postid' => $entry['ID'],
            );

        }

        $recent_posts = array();
        for ($j=0; $j<count($struct); $j++) {
            array_push($recent_posts, $struct[$j]);
        }

        return $recent_posts;
    }


    /* blogger.getTemplate returns your blog_filename */
    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 */

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

      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.'));
      }

      /* warning: here we make the assumption that the weblog'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);

      /* 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;
    }


    /* blogger.setTemplate updates the content of blog_filename */
    function blogger_setTemplate($args) {

        $this->escape($args);

      $blog_ID    = (int) $args[1];
      $user_login = $args[2];
      $user_pass  = $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)) {
        return $this->error;
      }

      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.'));
      }

      /* warning: here we make the assumption that the weblog's URL is on the same server */
      $filename = get_option('home') . '/';
      $filename = preg_replace('#https?://.+?/#', $_SERVER['DOCUMENT_ROOT'].'/', $filename);

      if ($f = fopen($filename, 'w+')) {
        fwrite($f, $content);
        fclose($f);
      } else {
        return new IXR_Error(500, __('Either the file is not writable, or something wrong happened. The file has not been updated.'));
      }

      return true;
    }


    /* blogger.newPost ...creates a new post */
    function blogger_newPost($args) {

      global $wpdb;

        $this->escape($args);

      $blog_ID    = (int) $args[1]; /* though we don't use it yet */
      $user_login = $args[2];
      $user_pass  = $args[3];
      $content    = $args[4];
      $publish    = $args[5];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }
      
      $cap = ($publish) ? 'publish_posts' : 'edit_posts';
      $user = set_current_user(0, $user_login);
      if ( !current_user_can($cap) )
        return new IXR_Error(401, __('Sorry, you can not post on this weblog or category.'));

      $post_status = ($publish) ? 'publish' : 'draft';

      $post_author = $user->ID;

      $post_title = xmlrpc_getposttitle($content);
      $post_category = xmlrpc_getpostcategory($content);
      $post_content = xmlrpc_removepostdata($content);

      $post_date = current_time('mysql');
      $post_date_gmt = current_time('mysql', 1);

      $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');

      $post_ID = wp_insert_post($post_data);

      if (!$post_ID) {
        return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
      }
      $this->attach_uploads( $post_ID, $post_content );

      logIO('O', "Posted ! ID: $post_ID");

      return $post_ID;
    }


    /* blogger.editPost ...edits a post */
    function blogger_editPost($args) {

      global $wpdb;

        $this->escape($args);

      $post_ID     = (int) $args[1];
      $user_login  = $args[2];
      $user_pass   = $args[3];
      $content     = $args[4];
      $publish     = $args[5];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

      $actual_post = wp_get_single_post($post_ID,ARRAY_A);

      if (!$actual_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.'));

      extract($actual_post);

      if ( ('publish' == $post_status) && !current_user_can('publish_posts') )
          return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));

      $post_title = xmlrpc_getposttitle($content);
      $post_category = xmlrpc_getpostcategory($content);
      $post_content = xmlrpc_removepostdata($content);

      $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt');

      $result = wp_update_post($postdata);

      if (!$result) {
          return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
      }
      $this->attach_uploads( $ID, $post_content );

      return true;
    }


    /* blogger.deletePost ...deletes a post */
    function blogger_deletePost($args) {

      global $wpdb;

        $this->escape($args);

      $post_ID     = (int) $args[1];
      $user_login  = $args[2];
      $user_pass   = $args[3];
      $publish     = $args[4];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

      $actual_post = wp_get_single_post($post_ID,ARRAY_A);

      if (!$actual_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.'));

      $result = wp_delete_post($post_ID);

      if (!$result) {
          return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be deleted.'));
      }

      return true;
    }



    /* MetaWeblog API functions
     * specs on wherever Dave Winer wants them to be
     */

    /* metaweblog.newPost creates a post */
    function mw_newPost($args) {

      global $wpdb, $post_default_category;

        $this->escape($args);

      $blog_ID     = (int) $args[0]; // we will support this in the near future
      $user_login  = $args[1];
      $user_pass   = $args[2];
      $content_struct = $args[3];
      $publish     = $args[4];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

      $cap = ($publish) ? 'publish_posts' : 'edit_posts';
      $user = set_current_user(0, $user_login);
      if ( !current_user_can($cap) )
        return new IXR_Error(401, __('Sorry, you can not post on this weblog or category.'));

        // The post_type defaults to post, but could also be page.
        $post_type = "post";
        if(
            !empty($content_struct["post_type"])
            && ($content_struct["post_type"] == "page")
        ) {
            $post_type = "page";
        }

        // Let WordPress generate the post_name (slug) unless
        // one has been provided.
        $post_name = "";
        if(isset($content_struct["wp_slug"])) {
            $post_name = $content_struct["wp_slug"];
        }

        // Only use a password if one was given.
        if(isset($content_struct["wp_password"])) {
            $post_password = $content_struct["wp_password"];
        }

        // Only set a post parent if one was provided.
        if(isset($content_struct["wp_page_parent_id"])) {
            $post_parent = $content_struct["wp_page_parent_id"];
        }

        // Only set the menu_order if it was provided.
        if(isset($content_struct["wp_page_order"])) {
            $menu_order = $content_struct["wp_page_order"];
        }

      $post_author = $user->ID;

        // If an author id was provided then use it instead.
        if(
            isset($content_struct["wp_author_id"])
            && ($user->ID != $content_struct["wp_author_id"])
        ) {
            switch($post_type) {
                case "post":
                    if(!current_user_can("edit_others_posts")) {
                        return(new IXR_Error(401, __("You are not allowed to post as this user")));
                    }
                    break;
                case "page":
                    if(!current_user_can("edit_others_pages")) {
                        return(new IXR_Error(401, __("You are not allowed to create pages as this user")));
                    }
                    break;
                default:
                    return(new IXR_Error(401, __("Invalid post type.")));
                    break;
            }
            $post_author = $content_struct["wp_author_id"];
        }

      $post_title = $content_struct['title'];
      $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
      $post_status = $publish ? 'publish' : 'draft';

      $post_excerpt = $content_struct['mt_excerpt'];
      $post_more = $content_struct['mt_text_more'];

        if(isset($content_struct["mt_allow_comments"])) {
            switch((int) $content_struct["mt_allow_comments"]) {
                case 0:
                    $comment_status = "closed";
                    break;
                case 1:
                    $comment_status = "open";
                    break;
                default:
                    $comment_status = get_option("default_comment_status");
                    break;
            }
        }

        if(isset($content_struct["mt_allow_pings"])) {
            switch((int) $content_struct["mt_allow_pings"]) {
                case 0:
                    $ping_status = "closed";
                    break;
                case 1:
                    $ping_status = "open";
                    break;
                default:
                    $ping_status = get_option("default_ping_status");
                    break;
            }
        }

      if ($post_more) {
        $post_content = $post_content . "\n<!--more-->\n" . $post_more;
      }

      $to_ping = $content_struct['mt_tb_ping_urls'];
      if ( is_array($to_ping) )
          $to_ping = implode(' ', $to_ping);

      // Do some timestamp voodoo
      $dateCreatedd = $content_struct['dateCreated'];
      if (!empty($dateCreatedd)) {
        $dateCreated = $dateCreatedd->getIso();
        $post_date     = get_date_from_gmt(iso8601_to_datetime($dateCreated));
        $post_date_gmt = iso8601_to_datetime($dateCreated. "Z", GMT);
      } else {
        $post_date     = current_time('mysql');
        $post_date_gmt = current_time('mysql', 1);
      }

      $catnames = $content_struct['categories'];
      logIO('O', 'Post cats: ' . printr($catnames,true));
      $post_category = array();

      if (is_array($catnames)) {
        foreach ($catnames as $cat) {
          $post_category[] = get_cat_ID($cat);
        }
      }

      // 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');

      $post_ID = wp_insert_post($postdata);

      if (!$post_ID) {
        return new IXR_Error(500, __('Sorry, your entry could not be posted. Something wrong happened.'));
      }

      $this->attach_uploads( $post_ID, $post_content );

      logIO('O', "Posted ! ID: $post_ID");

      return strval($post_ID);
    }

    function attach_uploads( $post_ID, $post_content ) {
        global $wpdb;

        // find any unattached files
        $attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '-1' AND post_type = 'attachment'" );
        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}'" );
                }
            }
        }
    }

    /* metaweblog.editPost ...edits a post */
    function mw_editPost($args) {

      global $wpdb, $post_default_category;

        $this->escape($args);

      $post_ID     = (int) $args[0];
      $user_login  = $args[1];
      $user_pass   = $args[2];
      $content_struct = $args[3];
      $publish     = $args[4];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

        $user = set_current_user(0, $user_login);

        // The post_type defaults to post, but could also be page.
        $post_type = "post";
        if(
            !empty($content_struct["post_type"])
            && ($content_struct["post_type"] == "page")
        ) {
            $post_type = "page";
        }

      // Edit page caps are checked in editPage.  Just check post here.
      if ( ( 'post' == $post_type ) && !current_user_can('edit_post', $post_ID) )
        return new IXR_Error(401, __('Sorry, you can not edit this post.'));

      $postdata = wp_get_single_post($post_ID, ARRAY_A);

        // If there is no post data for the give post id, stop
        // 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.")));
        }

      extract($postdata);
        $this->escape($postdata);

        // Let WordPress manage slug if none was provided.
        $post_name = "";
        if(isset($content_struct["wp_slug"])) {
            $post_name = $content_struct["wp_slug"];
        }

        // Only use a password if one was given.
        if(isset($content_struct["wp_password"])) {
            $post_password = $content_struct["wp_password"];
        }

        // Only set a post parent if one was given.
        if(isset($content_struct["wp_page_parent_id"])) {
            $post_parent = $content_struct["wp_page_parent_id"];
        }

        // Only set the menu_order if it was given.
        if(isset($content_struct["wp_page_order"])) {
            $menu_order = $content_struct["wp_page_order"];
        }

        $post_author = $postdata["post_author"];

        // Only set the post_author if one is set.
        if(
            isset($content_struct["wp_author_id"])
            && ($user->ID != $content_struct["wp_author_id"])
        ) {
            switch($post_type) {
                case "post":
                    if(!current_user_can("edit_others_posts")) {
                        return(new IXR_Error(401, __("You are not allowed to change the post author as this user.")));
                    }
                    break;
                case "page":
                    if(!current_user_can("edit_others_pages")) {
                        return(new IXR_Error(401, __("You are not allowed to change the page author as this user.")));
                    }
                    break;
                default:
                    return(new IXR_Error(401, __("Invalid post type.")));
                    break;
            }
            $post_author = $content_struct["wp_author_id"];
        }

        // Only set ping_status if it was provided.
        if(isset($content_struct["mt_allow_pings"])) {
            switch((int) $content_struct["mt_allow_pings"]) {
                case 0:
                    $ping_status = "closed";
                    break;
                case 1:
                    $ping_status = "open";
                    break;
            }
        }

      $post_title = $content_struct['title'];
      $post_content = apply_filters( 'content_save_pre', $content_struct['description'] );
      $catnames = $content_struct['categories'];

      $post_category = array();

      if (is_array($catnames)) {
        foreach ($catnames as $cat) {
          $post_category[] = get_cat_ID($cat);
        }
      }

      $post_excerpt = $content_struct['mt_excerpt'];
      $post_more = $content_struct['mt_text_more'];
      $post_status = $publish ? 'publish' : 'draft';

      if ( ('publish' == $post_status) ) {
          if ( ( 'page' == $post_type ) && !current_user_can('publish_pages') )
              return new IXR_Error(401, __('Sorry, you do not have the right to publish this page.'));
          else if ( !current_user_can('publish_posts') )
              return new IXR_Error(401, __('Sorry, you do not have the right to publish this post.'));
      }

      if ($post_more) {
        $post_content = $post_content . "\n<!--more-->\n" . $post_more;
      }

      $to_ping = $content_struct['mt_tb_ping_urls'];
      if ( is_array($to_ping) )
          $to_ping = implode(' ', $to_ping);

      if(isset($content_struct["mt_allow_comments"])) {
        $comment_status = (int) $content_struct["mt_allow_comments"];
      }
      
      // Do some timestamp voodoo
      $dateCreatedd = $content_struct['dateCreated'];
      if (!empty($dateCreatedd)) {
        $dateCreated = $dateCreatedd->getIso();
        $post_date     = get_date_from_gmt(iso8601_to_datetime($dateCreated));
        $post_date_gmt = iso8601_to_datetime($dateCreated . "Z", GMT);
      } else {
        $post_date     = $postdata['post_date'];
        $post_date_gmt = $postdata['post_date_gmt'];
      }

      // 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');

      $result = wp_update_post($newpost);
      if (!$result) {
        return new IXR_Error(500, __('Sorry, your entry could not be edited. Something wrong happened.'));
      }
      $this->attach_uploads( $ID, $post_content );

      logIO('O',"(MW) Edited ! ID: $post_ID");

      return true;
    }


    /* metaweblog.getPost ...returns a post */
    function mw_getPost($args) {

      global $wpdb;

        $this->escape($args);

      $post_ID     = (int) $args[0];
      $user_login  = $args[1];
      $user_pass   = $args[2];

      if (!$this->login_pass_ok($user_login, $user_pass)) {
        return $this->error;
      }

      $postdata = wp_get_single_post($post_ID, ARRAY_A);

      if ($postdata['post_date'] != '') {

        $post_date = mysql2date('Ymd\TH:i:s\Z', $postdata['post_date_gmt']);

        $categories = array();
        $catids = wp_get_post_categories($post_ID);
        foreach($catids as $catid) {
          $categories[] = get_cat_name($catid);
        }

        $post = get_extended($postdata['post_content']);
        $link = post_permalink($postdata['ID']);

        // Get the author info.
        $author = get_userdata($postdata['post_author']);

        $allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
        $allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;

        $resp = array(
          'dateCreated' => new IXR_Date($post_date),
          'userid' => $postdata['post_author'],
          'postid' => $postdata['ID'],
          'description' => $post['main'],
          'title' => $postdata['post_title'],
          'link' => $link,
          'permaLink' => $link,
// commented out because no other tool seems to use this
//          'content' => $entry['post_content'],
          'categories' => $categories,
          'mt_excerpt' => $postdata['post_excerpt'],
          'mt_text_more' => $post['extended'],
          'mt_allow_comments' => $allow_comments,
          'mt_allow_pings' => $allow_pings,
          'wp_slug' => $postdata['post_name'],
          'wp_password' => $postdata['post_password'],
          'wp_author_id' => $author->ID,
          'wp_author_display_name'    => $author->display_name
        );

        return $resp;
      } else {
          return new IXR_Error(404, __('Sorry, no such post.'));
      }
    }


    /* metaweblog.getRecentPosts ...returns recent posts */
    function mw_getRecentPosts($args) {

        $this->escape($args);

        $blog_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];
        $num_posts   = (int) $args[3];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $posts_list = wp_get_recent_posts($num_posts);

        if (!$posts_list) {
            $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
            return $this->error;
        }

        foreach ($posts_list as $entry) {

            $post_date = mysql2date('Ymd\TH:i:s\Z', $entry['post_date_gmt']);
            $categories = array();
            $catids = wp_get_post_categories($entry['ID']);
            foreach($catids as $catid) {
                $categories[] = get_cat_name($catid);
            }

            $post = get_extended($entry['post_content']);
            $link = post_permalink($entry['ID']);

            // Get the post author info.
            $author = get_userdata($entry['post_author']);

            $allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
            $allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;

            $struct[] = array(
                'dateCreated' => new IXR_Date($post_date),
                'userid' => $entry['post_author'],
                'postid' => $entry['ID'],
                'description' => $post['main'],
                'title' => $entry['post_title'],
                'link' => $link,
                'permaLink' => $link,
// 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'],
                'mt_allow_comments' => $allow_comments,
                'mt_allow_pings' => $allow_pings,
                'wp_slug' => $entry['post_name'],
                'wp_password' => $entry['post_password'],
                'wp_author_id' => $author->ID,
                'wp_author_display_name' => $author->display_name
            );

        }

        $recent_posts = array();
        for ($j=0; $j<count($struct); $j++) {
            array_push($recent_posts, $struct[$j]);
        }

        return $recent_posts;
    }


    /* metaweblog.getCategories ...returns the list of categories on a given weblog */
    function mw_getCategories($args) {

        global $wpdb;

        $this->escape($args);

        $blog_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $categories_struct = array();

        // FIXME: can we avoid using direct SQL there?
        if ($cats = $wpdb->get_results("SELECT cat_ID,cat_name,category_parent FROM $wpdb->categories", ARRAY_A)) {
            foreach ($cats as $cat) {
                $struct['categoryId'] = $cat['cat_ID'];
                $struct['parentId'] = $cat['category_parent'];
                $struct['description'] = $cat['cat_name'];
                $struct['categoryName'] = $cat['cat_name'];
                $struct['htmlUrl'] = wp_specialchars(get_category_link($cat['cat_ID']));
                $struct['rssUrl'] = wp_specialchars(get_category_rss_link(false, $cat['cat_ID'], $cat['cat_name']));

                $categories_struct[] = $struct;
            }
        }

        return $categories_struct;
    }


    /* metaweblog.newMediaObject uploads a file, following your settings */
    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]);
        $data        = $args[3];

        $name = sanitize_file_name( $data['name'] );
        $type = $data['type'];
        $bits = $data['bits'];

        if(!empty($data["overwrite"]) && ($data["overwrite"] == true)) {
            // Get postmeta info on the object.
            $old_file = $wpdb->get_row("
                SELECT ID
                FROM {$wpdb->posts}
                WHERE post_title = '{$name}'
                    AND post_type = 'attachment'
            ");

            // Delete previous file.
            wp_delete_attachment($old_file->ID);

            // Make sure the new name is different by pre-pending the
            // previous post id.
            $filename = preg_replace("/^wpid\d+-/", "", $name);
            $name = "wpid{$old_file->ID}-{$filename}";
        }

        logIO('O', '(MW) Received '.strlen($bits).' bytes');

        if ( !$this->login_pass_ok($user_login, $user_pass) )
            return $this->error;

        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.'));
            return $this->error;
        }

        if ( $upload_err = apply_filters( "pre_upload_error", false ) )
            return new IXR_Error(500, $upload_err);

        $upload = wp_upload_bits($name, $type, $bits, $overwrite);
        if ( ! empty($upload['error']) ) {
            $errorString = sprintf(__('Could not write file %1$s (%2$s)'), $name, $upload['error']);
            logIO('O', '(MW) ' . $errorString);
            return new IXR_Error(500, $errorString);
        }
        // Construct the attachment array
        // attach to post_id -1
        $post_id = -1;
        $attachment = array(
            'post_title' => $name,
            'post_content' => '',
            'post_type' => 'attachment',
            'post_parent' => $post_id,
            'post_mime_type' => $type,
            'guid' => $upload[ 'url' ]
        );

        // Save the data
        $id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
        wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );

        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 */
    function mt_getRecentPostTitles($args) {

        $this->escape($args);

        $blog_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];
        $num_posts   = (int) $args[3];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $posts_list = wp_get_recent_posts($num_posts);

        if (!$posts_list) {
            $this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
            return $this->error;
        }

        foreach ($posts_list as $entry) {

            $post_date = mysql2date('Ymd\TH:i:s\Z', $entry['post_date_gmt']);

            $struct[] = array(
                'dateCreated' => new IXR_Date($post_date),
                'userid' => $entry['post_author'],
                'postid' => $entry['ID'],
                'title' => $entry['post_title'],
            );

        }

        $recent_posts = array();
        for ($j=0; $j<count($struct); $j++) {
            array_push($recent_posts, $struct[$j]);
        }

        return $recent_posts;
    }


    /* mt.getCategoryList ...returns the list of categories on a given weblog */
    function mt_getCategoryList($args) {

        global $wpdb;

        $this->escape($args);

        $blog_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $categories_struct = array();

        // FIXME: can we avoid using direct SQL there?
        if ($cats = $wpdb->get_results("SELECT cat_ID, cat_name FROM $wpdb->categories", ARRAY_A)) {
            foreach ($cats as $cat) {
                $struct['categoryId'] = $cat['cat_ID'];
                $struct['categoryName'] = $cat['cat_name'];

                $categories_struct[] = $struct;
            }
        }

        return $categories_struct;
    }


    /* mt.getPostCategories ...returns a post's categories */
    function mt_getPostCategories($args) {

        $this->escape($args);

        $post_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            return $this->error;
        }

        $categories = array();
        $catids = wp_get_post_categories(intval($post_ID));
        // first listed category will be the primary category
        $isPrimary = true;
        foreach($catids as $catid) {
            $categories[] = array(
                'categoryName' => get_cat_name($catid),
                'categoryId' => (string) $catid,
                'isPrimary' => $isPrimary
            );
            $isPrimary = false;
        }

        return $categories;
    }


    /* mt.setPostCategories ...sets a post's categories */
    function mt_setPostCategories($args) {

        $this->escape($args);

        $post_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];
        $categories  = $args[3];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            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.'));

        foreach($categories as $cat) {
            $catids[] = $cat['categoryId'];
        }

        wp_set_post_categories($post_ID, $catids);

        return true;
    }


    /* mt.supportedMethods ...returns an array of methods supported by this server */
    function mt_supportedMethods($args) {

        $supported_methods = array();
        foreach($this->methods as $key=>$value) {
            $supported_methods[] = $key;
        }

        return $supported_methods;
    }


    /* mt.supportedTextFilters ...returns an empty array because we don't
         support per-post text filters yet */
    function mt_supportedTextFilters($args) {
        return apply_filters('xmlrpc_text_filters', array());
    }


    /* mt.getTrackbackPings ...returns trackbacks sent to a given post */
    function mt_getTrackbackPings($args) {

        global $wpdb;

        $post_ID = intval($args);

        $actual_post = wp_get_single_post($post_ID, ARRAY_A);

        if (!$actual_post) {
            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");

        if (!$comments) {
            return array();
        }

        $trackback_pings = array();
        foreach($comments as $comment) {
            if ( 'trackback' == $comment->comment_type ) {
                $content = $comment->comment_content;
                $title = substr($content, 8, (strpos($content, '</strong>') - 8));
                $trackback_pings[] = array(
                    'pingTitle' => $title,
                    'pingURL'   => $comment->comment_author_url,
                    'pingIP'    => $comment->comment_author_IP
                );
        }
        }

        return $trackback_pings;
    }


    /* mt.publishPost ...sets a post's publish status to 'publish' */
    function mt_publishPost($args) {

        $this->escape($args);

        $post_ID     = (int) $args[0];
        $user_login  = $args[1];
        $user_pass   = $args[2];

        if (!$this->login_pass_ok($user_login, $user_pass)) {
            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.'));

        $postdata = wp_get_single_post($post_ID,ARRAY_A);

        $postdata['post_status'] = 'publish';

        // retain old cats
        $cats = wp_get_post_categories($post_ID);
        $postdata['post_category'] = $cats;
        $this->escape($postdata);

        $result = wp_update_post($postdata);

        return $result;
    }



    /* PingBack functions
     * specs on www.hixie.ch/specs/pingback/pingback
     */

    /* pingback.ping gets a pingback and registers it */
    function pingback_ping($args) {
        global $wpdb, $wp_version;

        $this->escape($args);

        $pagelinkedfrom = $args[0];
        $pagelinkedto   = $args[1];

        $title = '';

        $pagelinkedfrom = str_replace('&amp;', '&', $pagelinkedfrom);
        $pagelinkedto   = preg_replace('#&([^amp\;])#is', '&amp;$1', $pagelinkedto);

        $error_code = -1;

        // Check if the page linked to is in our site
        $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
        if( !$pos1 )
                return new IXR_Error(0, __('Is there no link to us?'));

        // let's find which post is linked to
        // FIXME: does url_to_postid() cover all these cases already?
        //        if so, then let's use it and drop the old code.
        $urltest = parse_url($pagelinkedto);
        if ($post_ID = url_to_postid($pagelinkedto)) {
            $way = 'url_to_postid()';
        } elseif (preg_match('#p/[0-9]{1,}#', $urltest['path'], $match)) {
            // the path defines the post_ID (archives/p/XXXX)
            $blah = explode('/', $match[0]);
            $post_ID = (int) $blah[1];
            $way = 'from the path';
        } elseif (preg_match('#p=[0-9]{1,}#', $urltest['query'], $match)) {
            // the querystring defines the post_ID (?p=XXXX)
            $blah = explode('=', $match[0]);
            $post_ID = (int) $blah[1];
            $way = 'from the querystring';
        } elseif (isset($urltest['fragment'])) {
            // an #anchor is there, it's either...
            if (intval($urltest['fragment'])) {
                // ...an integer #XXXX (simpliest case)
                $post_ID = (int) $urltest['fragment'];
                $way = 'from the fragment (numeric)';
            } elseif (preg_match('/post-[0-9]+/',$urltest['fragment'])) {
                // ...a post id in the form 'post-###'
                $post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
                $way = 'from the fragment (post-###)';
            } elseif (is_string($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'";
                if (! ($post_ID = $wpdb->get_var($sql)) ) {
                    // returning unknown error '0' is better than die()ing
                      return new IXR_Error(0, '');
                }
                $way = 'from the fragment (title)';
            }
        } 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.'));
        }
        $post_ID = (int) $post_ID;


        logIO("O","(PB) URL='$pagelinkedto' ID='$post_ID' Found='$way'");

        $post = get_post($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.'));

        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.'));

        // Let's check that the remote site didn't already pingback this entry
        $result = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_ID' AND comment_author_url = '$pagelinkedfrom'");

        if ( $wpdb->num_rows ) // We already have a Pingback from this URL
              return new IXR_Error(48, __('The pingback has already been registered.'));

        // very stupid, but gives time to the 'from' server to publish !
        sleep(1);

        // Let's check the remote site
        $linea = wp_remote_fopen( $pagelinkedfrom );
        if ( !$linea )
              return new IXR_Error(16, __('The source URL does not exist.'));

        // Work around bug in strip_tags():
        $linea = str_replace('<!DOC', '<DOC', $linea);
        $linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces
        $linea = preg_replace( "/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );

        preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);
        $title = $matchtitle[1];
        if ( empty( $title ) )
            return new IXR_Error(32, __('We cannot find a title on that page.'));

        $linea = strip_tags( $linea, '<a>' ); // just keep the tag we need

        $p = explode( "\n\n", $linea );

        $preg_target = preg_quote($pagelinkedto);

        foreach ( $p as $para ) {
            if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
                preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);

                // If the URL isn't in a link context, keep looking
                if ( empty($context) )
                    continue;

                // We're going to use this fake tag to mark the context in a bit
                // the marker is needed in case the link text appears more than once in the paragraph
                $excerpt = preg_replace('|\</?wpcontext\>|', '', $para);

                // prevent really long link text
                if ( strlen($context[1]) > 100 )
                    $context[1] = substr($context[1], 0, 100) . '...';

                $marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
                $excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
                $excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
                $excerpt = trim($excerpt);
                $preg_marker = preg_quote($marker);
                $excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
                $excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
                break;
            }
        }

        if ( empty($context) ) // Link to target not found
            return new IXR_Error(17, __('The source URL does not contain a link to the target URL, and so cannot be used as a source.'));

        $pagelinkedfrom = preg_replace('#&([^amp\;])#is', '&amp;$1', $pagelinkedfrom);

        $context = '[...] ' . wp_specialchars( $excerpt ) . ' [...]';
        $original_pagelinkedfrom = $pagelinkedfrom;
        $pagelinkedfrom = $wpdb->escape( $pagelinkedfrom );
        $original_title = $title;

        $comment_post_ID = (int) $post_ID;
        $comment_author = $title;
        $this->escape($comment_author);
        $comment_author_url = $pagelinkedfrom;
        $comment_content = $context;
        $this->escape($comment_content);
        $comment_type = 'pingback';

        $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_content', 'comment_type');

        $comment_ID = wp_new_comment($commentdata);
        do_action('pingback_post', $comment_ID);

        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 */
    function pingback_extensions_getPingbacks($args) {

        global $wpdb;

        $this->escape($args);

        $url = $args;

        $post_ID = url_to_postid($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.'));
        }

        $actual_post = wp_get_single_post($post_ID, ARRAY_A);

        if (!$actual_post) {
            // No such post = resource not found
              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");

        if (!$comments) {
            return array();
        }

        $pingbacks = array();
        foreach($comments as $comment) {
            if ( 'pingback' == $comment->comment_type )
                $pingbacks[] = $comment->comment_author_url;
        }

        return $pingbacks;
    }
}


$wp_xmlrpc_server = new wp_xmlrpc_server();

?>