WordPress 4.4.1-scripts
[autoinstalls/wordpress.git] / wp-admin / admin-ajax.php
index b72ff61dcddb7bef04b72eee29910ced2527d0b9..5597aecef4ddd6a54444302a07cc53265046ac90 100644 (file)
  *
  * @package WordPress
  * @subpackage Administration
+ *
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
  */
 
 /**
  * Executing AJAX process.
  *
- * @since unknown
+ * @since 2.1.0
  */
-define('DOING_AJAX', true);
-define('WP_ADMIN', true);
-
-require_once('../wp-load.php');
-require_once('includes/admin.php');
-
-if ( ! is_user_logged_in() ) {
-
-       if ( $_POST['action'] == 'autosave' ) {
-               $id = isset($_POST['post_ID'])? (int) $_POST['post_ID'] : 0;
-
-               if ( ! $id )
-                       die('-1');
-
-               $message = sprintf( __('<strong>ALERT: You are logged out!</strong> Could not save draft. <a href="%s" target="blank">Please log in again.</a>'), wp_login_url() );
-                       $x = new WP_Ajax_Response( array(
-                               'what' => 'autosave',
-                               'id' => $id,
-                               'data' => $message
-                       ) );
-                       $x->send();
-       }
-
-       die('-1');
+define( 'DOING_AJAX', true );
+if ( ! defined( 'WP_ADMIN' ) ) {
+       define( 'WP_ADMIN', true );
 }
 
-if ( isset( $_GET['action'] ) ) :
-switch ( $action = $_GET['action'] ) :
-case 'ajax-tag-search' :
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       $s = $_GET['q']; // is this slashed already?
-
-       if ( false !== strpos( $s, ',' ) ) {
-               $s = explode( ',', $s );
-               $s = $s[count( $s ) - 1];
-       }
-       $s = trim( $s );
-       if ( strlen( $s ) < 2 )
-               die; // require 2 chars for matching
-       $results = $wpdb->get_col( "SELECT t.name FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = 'post_tag' AND t.name LIKE ('%". $s . "%')" );
-       echo join( $results, "\n" );
-       die;
-       break;
-default :
-       do_action( 'wp_ajax_' . $_GET['action'] );
-       die('0');
-       break;
-endswitch;
-endif;
-
-$id = isset($_POST['id'])? (int) $_POST['id'] : 0;
-switch ( $action = $_POST['action'] ) :
-case 'delete-comment' :
-       check_ajax_referer( "delete-comment_$id" );
-       if ( !$comment = get_comment( $id ) )
-               die('1');
-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
-               die('-1');
-
-       if ( isset($_POST['spam']) && 1 == $_POST['spam'] ) {
-               if ( 'spam' == wp_get_comment_status( $comment->comment_ID ) )
-                       die('1');
-               $r = wp_set_comment_status( $comment->comment_ID, 'spam' );
-       } else {
-               $r = wp_delete_comment( $comment->comment_ID );
-       }
-
-       die( $r ? '1' : '0' );
-       break;
-case 'delete-cat' :
-       check_ajax_referer( "delete-category_$id" );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       $cat = get_category( $id );
-       if ( !$cat || is_wp_error( $cat ) )
-               die('1');
-
-       if ( wp_delete_category( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-tag' :
-       check_ajax_referer( "delete-tag_$id" );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       $tag = get_term( $id, 'post_tag' );
-       if ( !$tag || is_wp_error( $tag ) )
-               die('1');
-
-       if ( wp_delete_term($id, 'post_tag'))
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-link-cat' :
-       check_ajax_referer( "delete-link-category_$id" );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       $cat = get_term( $id, 'link_category' );
-       if ( !$cat || is_wp_error( $cat ) )
-               die('1');
-
-       $cat_name = get_term_field('name', $id, 'link_category');
-
-       // Don't delete the default cats.
-       if ( $id == get_option('default_link_category') ) {
-               $x = new WP_AJAX_Response( array(
-                       'what' => 'link-cat',
-                       'id' => $id,
-                       'data' => new WP_Error( 'default-link-cat', sprintf(__("Can&#8217;t delete the <strong>%s</strong> category: this is the default one"), $cat_name) )
-               ) );
-               $x->send();
-       }
-
-       $r = wp_delete_term($id, 'link_category');
-       if ( !$r )
-               die('0');
-       if ( is_wp_error($r) ) {
-               $x = new WP_AJAX_Response( array(
-                       'what' => 'link-cat',
-                       'id' => $id,
-                       'data' => $r
-               ) );
-               $x->send();
-       }
-       die('1');
-       break;
-case 'delete-link' :
-       check_ajax_referer( "delete-bookmark_$id" );
-       if ( !current_user_can( 'manage_links' ) )
-               die('-1');
-
-       $link = get_bookmark( $id );
-       if ( !$link || is_wp_error( $link ) )
-               die('1');
-
-       if ( wp_delete_link( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-meta' :
-       check_ajax_referer( "delete-meta_$id" );
-       if ( !$meta = get_post_meta_by_id( $id ) )
-               die('1');
-
-       if ( !current_user_can( 'edit_post', $meta->post_id ) )
-               die('-1');
-       if ( delete_meta( $meta->meta_id ) )
-               die('1');
-       die('0');
-       break;
-case 'delete-post' :
-       check_ajax_referer( "{$action}_$id" );
-       if ( !current_user_can( 'delete_post', $id ) )
-               die('-1');
-
-       if ( !get_post( $id ) )
-               die('1');
-
-       if ( wp_delete_post( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-page' :
-       check_ajax_referer( "{$action}_$id" );
-       if ( !current_user_can( 'delete_page', $id ) )
-               die('-1');
-
-       if ( !get_page( $id ) )
-               die('1');
-
-       if ( wp_delete_post( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'dim-comment' :
-       if ( !$comment = get_comment( $id ) )
-               die('0');
-
-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
-               die('-1');
-       if ( !current_user_can( 'moderate_comments' ) )
-               die('-1');
-
-       $current = wp_get_comment_status( $comment->comment_ID );
-       if ( $_POST['new'] == $current )
-               die('1');
-
-       if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) {
-               check_ajax_referer( "approve-comment_$id" );
-               if ( wp_set_comment_status( $comment->comment_ID, 'approve' ) )
-                       die('1');
-       } else {
-               check_ajax_referer( "unapprove-comment_$id" );
-               if ( wp_set_comment_status( $comment->comment_ID, 'hold' ) )
-                       die('1');
-       }
-       die('0');
-       break;
-case 'add-category' : // On the Fly
-       check_ajax_referer( $action );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-       $names = explode(',', $_POST['newcat']);
-       if ( 0 > $parent = (int) $_POST['newcat_parent'] )
-               $parent = 0;
-       $post_category = isset($_POST['post_category'])? (array) $_POST['post_category'] : array();
-       $checked_categories = array_map( 'absint', (array) $post_category );
-       $popular_ids = isset( $_POST['popular_ids'] ) ?
-                       array_map( 'absint', explode( ',', $_POST['popular_ids'] ) ) :
-                       false;
-
-       $x = new WP_Ajax_Response();
-       foreach ( $names as $cat_name ) {
-               $cat_name = trim($cat_name);
-               $category_nicename = sanitize_title($cat_name);
-               if ( '' === $category_nicename )
-                       continue;
-               $cat_id = wp_create_category( $cat_name, $parent );
-               $checked_categories[] = $cat_id;
-               if ( $parent ) // Do these all at once in a second
-                       continue;
-               $category = get_category( $cat_id );
-               ob_start();
-                       wp_category_checklist( 0, $cat_id, $checked_categories, $popular_ids );
-               $data = ob_get_contents();
-               ob_end_clean();
-               $x->add( array(
-                       'what' => 'category',
-                       'id' => $cat_id,
-                       'data' => $data,
-                       'position' => -1
-               ) );
-       }
-       if ( $parent ) { // Foncy - replace the parent and all its children
-               $parent = get_category( $parent );
-               ob_start();
-                       dropdown_categories( 0, $parent );
-               $data = ob_get_contents();
-               ob_end_clean();
-               $x->add( array(
-                       'what' => 'category',
-                       'id' => $parent->term_id,
-                       'old_id' => $parent->term_id,
-                       'data' => $data,
-                       'position' => -1
-               ) );
-
-       }
-       $x->send();
-       break;
-case 'add-link-category' : // On the Fly
-       check_ajax_referer( $action );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-       $names = explode(',', $_POST['newcat']);
-       $x = new WP_Ajax_Response();
-       foreach ( $names as $cat_name ) {
-               $cat_name = trim($cat_name);
-               $slug = sanitize_title($cat_name);
-               if ( '' === $slug )
-                       continue;
-               if ( !$cat_id = is_term( $cat_name, 'link_category' ) ) {
-                       $cat_id = wp_insert_term( $cat_name, 'link_category' );
-               }
-               $cat_id = $cat_id['term_id'];
-               $cat_name = wp_specialchars(stripslashes($cat_name));
-               $x->add( array(
-                       'what' => 'link-category',
-                       'id' => $cat_id,
-                       'data' => "<li id='link-category-$cat_id'><label for='in-link-category-$cat_id' class='selectit'><input value='$cat_id' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>",
-                       'position' => -1
-               ) );
-       }
-       $x->send();
-       break;
-case 'add-cat' : // From Manage->Categories
-       check_ajax_referer( 'add-category' );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       if ( '' === trim($_POST['cat_name']) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'cat',
-                       'id' => new WP_Error( 'cat_name', __('You did not enter a category name.') )
-               ) );
-               $x->send();
-       }
-
-       if ( category_exists( trim( $_POST['cat_name'] ) ) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'cat',
-                       'id' => new WP_Error( 'cat_exists', __('The category you are trying to create already exists.'), array( 'form-field' => 'cat_name' ) ),
-               ) );
-               $x->send();
-       }
-
-       $cat = wp_insert_category( $_POST, true );
-
-       if ( is_wp_error($cat) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'cat',
-                       'id' => $cat
-               ) );
-               $x->send();
-       }
-
-       if ( !$cat || (!$cat = get_category( $cat )) )
-               die('0');
-
-       $level = 0;
-       $cat_full_name = $cat->name;
-       $_cat = $cat;
-       while ( $_cat->parent ) {
-               $_cat = get_category( $_cat->parent );
-               $cat_full_name = $_cat->name . ' &#8212; ' . $cat_full_name;
-               $level++;
-       }
-       $cat_full_name = attribute_escape($cat_full_name);
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'cat',
-               'id' => $cat->term_id,
-               'position' => -1,
-               'data' => _cat_row( $cat, $level, $cat_full_name ),
-               'supplemental' => array('name' => $cat_full_name, 'show-link' => sprintf(__( 'Category <a href="#%s">%s</a> added' ), "cat-$cat->term_id", $cat_full_name))
-       ) );
-       $x->send();
-       break;
-case 'add-link-cat' : // From Blogroll -> Categories
-       check_ajax_referer( 'add-link-category' );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       if ( '' === trim($_POST['name']) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'link-cat',
-                       'id' => new WP_Error( 'name', __('You did not enter a category name.') )
-               ) );
-               $x->send();
-       }
-
-       $r = wp_insert_term($_POST['name'], 'link_category', $_POST );
-       if ( is_wp_error( $r ) ) {
-               $x = new WP_AJAX_Response( array(
-                       'what' => 'link-cat',
-                       'id' => $r
-               ) );
-               $x->send();
-       }
-
-       extract($r, EXTR_SKIP);
-
-       if ( !$link_cat = link_cat_row( $term_id ) )
-               die('0');
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'link-cat',
-               'id' => $term_id,
-               'position' => -1,
-               'data' => $link_cat
-       ) );
-       $x->send();
-       break;
-case 'add-tag' : // From Manage->Tags
-       check_ajax_referer( 'add-tag' );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       if ( '' === trim($_POST['name']) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'tag',
-                       'id' => new WP_Error( 'name', __('You did not enter a tag name.') )
-               ) );
-               $x->send();
-       }
-
-       $tag = wp_insert_term($_POST['name'], 'post_tag', $_POST );
-
-       if ( is_wp_error($tag) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'tag',
-                       'id' => $tag
-               ) );
-               $x->send();
-       }
-
-       if ( !$tag || (!$tag = get_term( $tag['term_id'], 'post_tag' )) )
-               die('0');
-
-       $tag_full_name = $tag->name;
-       $tag_full_name = attribute_escape($tag_full_name);
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'tag',
-               'id' => $tag->term_id,
-               'position' => '-1',
-               'data' => _tag_row( $tag ),
-               'supplemental' => array('name' => $tag_full_name, 'show-link' => sprintf(__( 'Tag <a href="#%s">%s</a> added' ), "tag-$tag->term_id", $tag_full_name))
-       ) );
-       $x->send();
-       break;
-case 'get-tagcloud' :
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-
-       $tags = get_tags( array( 'number' => 45, 'orderby' => 'count', 'order' => 'DESC' ) );
-
-       if ( empty( $tags ) )
-               die( __('No tags found!') );
-
-       if ( is_wp_error($tags) )
-               die($tags->get_error_message());
-
-       foreach ( $tags as $key => $tag ) {
-               $tags[ $key ]->link = '#';
-               $tags[ $key ]->id = $tag->term_id;
-       }
-
-       $return = wp_generate_tag_cloud( $tags );
-
-       if ( empty($return) )
-               die('0');
-
-       echo $return;
-
-       exit;
-       break;
-case 'add-comment' :
-       check_ajax_referer( $action );
-       if ( !current_user_can( 'edit_post', $id ) )
-               die('-1');
-       $search = isset($_POST['s']) ? $_POST['s'] : false;
-       $start = isset($_POST['page']) ? intval($_POST['page']) * 25 - 1: 24;
-       $status = isset($_POST['comment_status']) ? $_POST['comment_status'] : false;
-       $mode = isset($_POST['mode']) ? $_POST['mode'] : 'detail';
-       $p = isset($_POST['p']) ? $_POST['p'] : 0;
-       $comment_type = isset($_POST['comment_type']) ? $_POST['comment_type'] : '';
-       list($comments, $total) = _wp_get_comment_list( $status, $search, $start, 1, $p, $comment_type );
-
-       if ( get_option('show_avatars') )
-               add_filter( 'comment_author', 'floated_admin_avatar' );
-
-       if ( !$comments )
-               die('1');
-       $x = new WP_Ajax_Response();
-       foreach ( (array) $comments as $comment ) {
-               get_comment( $comment );
-               ob_start();
-                       _wp_comment_row( $comment->comment_ID, $mode, $status, true, true );
-                       $comment_list_item = ob_get_contents();
-               ob_end_clean();
-               $x->add( array(
-                       'what' => 'comment',
-                       'id' => $comment->comment_ID,
-                       'data' => $comment_list_item
-               ) );
-       }
-       $x->send();
-       break;
-case 'get-comments' :
-       check_ajax_referer( $action );
-
-       $post_ID = (int) $_POST['post_ID'];
-       if ( !current_user_can( 'edit_post', $post_ID ) )
-               die('-1');
-
-       $start = isset($_POST['start']) ? intval($_POST['start']) : 0;
-       $num = isset($_POST['num']) ? intval($_POST['num']) : 10;
-
-       list($comments, $total) = _wp_get_comment_list( false, false, $start, $num, $post_ID );
-
-       if ( !$comments )
-               die('1');
-
-       $comment_list_item = '';
-       $x = new WP_Ajax_Response();
-       foreach ( (array) $comments as $comment ) {
-               get_comment( $comment );
-               ob_start();
-                       _wp_comment_row( $comment->comment_ID, 'single', false, false );
-                       $comment_list_item .= ob_get_contents();
-               ob_end_clean();
-       }
-       $x->add( array(
-               'what' => 'comments',
-               'data' => $comment_list_item
-       ) );
-       $x->send();
-       break;
-case 'replyto-comment' :
-       check_ajax_referer( $action );
-
-       $comment_post_ID = (int) $_POST['comment_post_ID'];
-       if ( !current_user_can( 'edit_post', $comment_post_ID ) )
-               die('-1');
-
-       $status = $wpdb->get_var( $wpdb->prepare("SELECT post_status FROM $wpdb->posts WHERE ID = %d", $comment_post_ID) );
-
-       if ( empty($status) )
-               die('1');
-       elseif ( in_array($status, array('draft', 'pending') ) )
-               die( __('Error: you are replying to a comment on a draft post.') );
-
-       $user = wp_get_current_user();
-       if ( $user->ID ) {
-               $comment_author       = $wpdb->escape($user->display_name);
-               $comment_author_email = $wpdb->escape($user->user_email);
-               $comment_author_url   = $wpdb->escape($user->user_url);
-               $comment_content      = trim($_POST['content']);
-               if ( current_user_can('unfiltered_html') ) {
-                       if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
-                               kses_remove_filters(); // start with a clean slate
-                               kses_init_filters(); // set up the filters
-                       }
-               }
-       } else {
-               die( __('Sorry, you must be logged in to reply to a comment.') );
-       }
-
-       if ( '' == $comment_content )
-               die( __('Error: please type a comment.') );
-
-       $comment_parent = absint($_POST['comment_ID']);
-       $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
-
-       $comment_id = wp_new_comment( $commentdata );
-       $comment = get_comment($comment_id);
-       if ( ! $comment ) die('1');
-
-       $modes = array( 'single', 'detail', 'dashboard' );
-       $mode = isset($_POST['mode']) && in_array( $_POST['mode'], $modes ) ? $_POST['mode'] : 'detail';
-       $position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
-       $checkbox = ( isset($_POST['checkbox']) && true == $_POST['checkbox'] ) ? 1 : 0;
-
-       if ( get_option('show_avatars') && 'single' != $mode )
-               add_filter( 'comment_author', 'floated_admin_avatar' );
-
-       $x = new WP_Ajax_Response();
-
-       ob_start();
-               if ( 'dashboard' == $mode ) {
-                       require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
-                       _wp_dashboard_recent_comments_row( $comment, false );
-               } else {
-                       _wp_comment_row( $comment->comment_ID, $mode, false, $checkbox );
-               }
-               $comment_list_item = ob_get_contents();
-       ob_end_clean();
-
-       $x->add( array(
-               'what' => 'comment',
-               'id' => $comment->comment_ID,
-               'data' => $comment_list_item,
-               'position' => $position
-       ));
-
-       $x->send();
-       break;
-case 'edit-comment' :
-       check_ajax_referer( 'replyto-comment' );
-
-       $comment_post_ID = (int) $_POST['comment_post_ID'];
-       if ( ! current_user_can( 'edit_post', $comment_post_ID ) )
-               die('-1');
-
-       if ( '' == $_POST['content'] )
-               die( __('Error: please type a comment.') );
-
-       $comment_id = (int) $_POST['comment_ID'];
-       $_POST['comment_status'] = $_POST['status'];
-       edit_comment();
-
-       $mode = ( isset($_POST['mode']) && 'single' == $_POST['mode'] ) ? 'single' : 'detail';
-       $position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
-       $checkbox = ( isset($_POST['checkbox']) && true == $_POST['checkbox'] ) ? 1 : 0;
-
-       if ( get_option('show_avatars') && 'single' != $mode )
-               add_filter( 'comment_author', 'floated_admin_avatar' );
-
-       $x = new WP_Ajax_Response();
-
-       ob_start();
-               _wp_comment_row( $comment_id, $mode, true, $checkbox );
-               $comment_list_item = ob_get_contents();
-       ob_end_clean();
-
-       $x->add( array(
-               'what' => 'edit_comment',
-               'id' => $comment->comment_ID,
-               'data' => $comment_list_item,
-               'position' => $position
-       ));
-
-       $x->send();
-       break;
-case 'add-meta' :
-       check_ajax_referer( 'add-meta' );
-       $c = 0;
-       $pid = (int) $_POST['post_id'];
-       if ( isset($_POST['metakeyselect']) || isset($_POST['metakeyinput']) ) {
-               if ( !current_user_can( 'edit_post', $pid ) )
-                       die('-1');
-               if ( '#NONE#' == $_POST['metakeyselect'] && empty($_POST['metakeyinput']) )
-                       die('1');
-               if ( $pid < 0 ) {
-                       $now = current_time('timestamp', 1);
-                       if ( $pid = wp_insert_post( array(
-                               'post_title' => sprintf('Draft created on %s at %s', date(get_option('date_format'), $now), date(get_option('time_format'), $now))
-                       ) ) ) {
-                               if ( is_wp_error( $pid ) ) {
-                                       $x = new WP_Ajax_Response( array(
-                                               'what' => 'meta',
-                                               'data' => $pid
-                                       ) );
-                                       $x->send();
-                               }
-                               $mid = add_meta( $pid );
-                       } else {
-                               die('0');
-                       }
-               } else if ( !$mid = add_meta( $pid ) ) {
-                       die('0');
-               }
-
-               $meta = get_post_meta_by_id( $mid );
-               $pid = (int) $meta->post_id;
-               $meta = get_object_vars( $meta );
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'meta',
-                       'id' => $mid,
-                       'data' => _list_meta_row( $meta, $c ),
-                       'position' => 1,
-                       'supplemental' => array('postid' => $pid)
-               ) );
-       } else {
-               $mid = (int) array_pop(array_keys($_POST['meta']));
-               $key = $_POST['meta'][$mid]['key'];
-               $value = $_POST['meta'][$mid]['value'];
-               if ( !$meta = get_post_meta_by_id( $mid ) )
-                       die('0'); // if meta doesn't exist
-               if ( !current_user_can( 'edit_post', $meta->post_id ) )
-                       die('-1');
-               if ( !$u = update_meta( $mid, $key, $value ) )
-                       die('1'); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
-               $key = stripslashes($key);
-               $value = stripslashes($value);
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'meta',
-                       'id' => $mid, 'old_id' => $mid,
-                       'data' => _list_meta_row( array(
-                               'meta_key' => $key,
-                               'meta_value' => $value,
-                               'meta_id' => $mid
-                       ), $c ),
-                       'position' => 0,
-                       'supplemental' => array('postid' => $meta->post_id)
-               ) );
-       }
-       $x->send();
-       break;
-case 'add-user' :
-       check_ajax_referer( $action );
-       if ( !current_user_can('create_users') )
-               die('-1');
-       require_once(ABSPATH . WPINC . '/registration.php');
-       if ( !$user_id = add_user() )
-               die('0');
-       elseif ( is_wp_error( $user_id ) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'user',
-                       'id' => $user_id
-               ) );
-               $x->send();
-       }
-       $user_object = new WP_User( $user_id );
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'user',
-               'id' => $user_id,
-               'data' => user_row( $user_object, '', $user_object->roles[0] ),
-               'supplemental' => array(
-                       'show-link' => sprintf(__( 'User <a href="#%s">%s</a> added' ), "user-$user_id", $user_object->user_login),
-                       'role' => $user_object->roles[0]
-               )
-       ) );
-       $x->send();
-       break;
-case 'autosave' : // The name of this action is hardcoded in edit_post()
-       define( 'DOING_AUTOSAVE', true );
-
-       $nonce_age = check_ajax_referer( 'autosave', 'autosavenonce' );
-       global $current_user;
-
-       $_POST['post_category'] = explode(",", $_POST['catslist']);
-       $_POST['tags_input'] = explode(",", $_POST['tags_input']);
-       if($_POST['post_type'] == 'page' || empty($_POST['post_category']))
-               unset($_POST['post_category']);
-
-       $do_autosave = (bool) $_POST['autosave'];
-       $do_lock = true;
-
-       $data = '';
-       $message = sprintf( __('Draft Saved at %s.'), date_i18n( __('g:i:s a') ) );
-
-       $supplemental = array();
-
-       $id = $revision_id = 0;
-       if($_POST['post_ID'] < 0) {
-               $_POST['post_status'] = 'draft';
-               $_POST['temp_ID'] = $_POST['post_ID'];
-               if ( $do_autosave ) {
-                       $id = wp_write_post();
-                       $data = $message;
-               }
-       } else {
-               $post_ID = (int) $_POST['post_ID'];
-               $_POST['ID'] = $post_ID;
-               $post = get_post($post_ID);
-
-               if ( $last = wp_check_post_lock( $post->ID ) ) {
-                       $do_autosave = $do_lock = false;
-
-                       $last_user = get_userdata( $last );
-                       $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
-                       $data = new WP_Error( 'locked', sprintf(
-                               $_POST['post_type'] == 'page' ? __( 'Autosave disabled: %s is currently editing this page.' ) : __( 'Autosave disabled: %s is currently editing this post.' ),
-                               wp_specialchars( $last_user_name )
-                       ) );
-
-                       $supplemental['disable_autosave'] = 'disable';
-               }
-
-               if ( 'page' == $post->post_type ) {
-                       if ( !current_user_can('edit_page', $post_ID) )
-                               die(__('You are not allowed to edit this page.'));
-               } else {
-                       if ( !current_user_can('edit_post', $post_ID) )
-                               die(__('You are not allowed to edit this post.'));
-               }
-
-               if ( $do_autosave ) {
-                       // Drafts are just overwritten by autosave
-                       if ( 'draft' == $post->post_status ) {
-                               $id = edit_post();
-                       } else { // Non drafts are not overwritten.  The autosave is stored in a special post revision.
-                               $revision_id = wp_create_post_autosave( $post->ID );
-                               if ( is_wp_error($revision_id) )
-                                       $id = $revision_id;
-                               else
-                                       $id = $post->ID;
-                       }
-                       $data = $message;
-               } else {
-                       $id = $post->ID;
-               }
-       }
-
-       if ( $do_lock && $id && is_numeric($id) )
-               wp_set_post_lock( $id );
-
-       if ( $nonce_age == 2 ) {
-               $supplemental['replace-autosavenonce'] = wp_create_nonce('autosave');
-               $supplemental['replace-getpermalinknonce'] = wp_create_nonce('getpermalink');
-               $supplemental['replace-samplepermalinknonce'] = wp_create_nonce('samplepermalink');
-               $supplemental['replace-closedpostboxesnonce'] = wp_create_nonce('closedpostboxes');
-               if ( $id ) {
-                       if ( $_POST['post_type'] == 'post' )
-                               $supplemental['replace-_wpnonce'] = wp_create_nonce('update-post_' . $id);
-                       elseif ( $_POST['post_type'] == 'page' )
-                               $supplemental['replace-_wpnonce'] = wp_create_nonce('update-page_' . $id);
-               }
-       }
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'autosave',
-               'id' => $id,
-               'data' => $id ? $data : '',
-               'supplemental' => $supplemental
-       ) );
-       $x->send();
-       break;
-case 'autosave-generate-nonces' :
-       check_ajax_referer( 'autosave', 'autosavenonce' );
-       $ID = (int) $_POST['post_ID'];
-       if($_POST['post_type'] == 'post') {
-               if(current_user_can('edit_post', $ID))
-                       die(wp_create_nonce('update-post_' . $ID));
-       }
-       if($_POST['post_type'] == 'page') {
-               if(current_user_can('edit_page', $ID)) {
-                       die(wp_create_nonce('update-page_' . $ID));
-               }
-       }
-       die('0');
-break;
-case 'closed-postboxes' :
-       check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' );
-       $closed = isset( $_POST['closed'] )? $_POST['closed'] : '';
-       $closed = explode( ',', $_POST['closed'] );
-       $hidden = isset( $_POST['hidden'] )? $_POST['hidden'] : '';
-       $hidden = explode( ',', $_POST['hidden'] );
-       $page = isset( $_POST['page'] )? $_POST['page'] : '';
-       if ( !preg_match( '/^[a-z-_]+$/', $page ) ) {
-               die(-1);
-       }
-       $current_user = wp_get_current_user();
-       if ( is_array($closed) )
-               update_usermeta($current_user->ID, 'closedpostboxes_'.$page, $closed);
-       if ( is_array($hidden) )
-               update_usermeta($current_user->ID, 'meta-box-hidden_'.$page, $hidden);
-break;
-case 'hidden-columns' :
-       check_ajax_referer( 'hiddencolumns', 'hiddencolumnsnonce' );
-       $hidden = isset( $_POST['hidden'] )? $_POST['hidden'] : '';
-       $hidden = explode( ',', $_POST['hidden'] );
-       $page = isset( $_POST['page'] )? $_POST['page'] : '';
-       if ( !preg_match( '/^[a-z-_]+$/', $page ) ) {
-               die(-1);
-       }
-       $current_user = wp_get_current_user();
-       if ( is_array($hidden) )
-               update_usermeta($current_user->ID, "manage-$page-columns-hidden", $hidden);
-break;
-case 'get-permalink':
-       check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
-       $post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
-       die(add_query_arg(array('preview' => 'true'), get_permalink($post_id)));
-break;
-case 'sample-permalink':
-       check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' );
-       $post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
-       $title = isset($_POST['new_title'])? $_POST['new_title'] : '';
-       $slug = isset($_POST['new_slug'])? $_POST['new_slug'] : '';
-       die(get_sample_permalink_html($post_id, $title, $slug));
-break;
-case 'inline-save':
-       check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
-
-       if ( ! isset($_POST['post_ID']) || ! ( $post_ID = (int) $_POST['post_ID'] ) )
-               exit;
-
-       if ( 'page' == $_POST['post_type'] ) {
-               if ( ! current_user_can( 'edit_page', $post_ID ) )
-                       die( __('You are not allowed to edit this page.') );
-       } else {
-               if ( ! current_user_can( 'edit_post', $post_ID ) )
-                       die( __('You are not allowed to edit this post.') );
-       }
-
-       if ( $last = wp_check_post_lock( $post_ID ) ) {
-               $last_user = get_userdata( $last );
-               $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
-               printf( $_POST['post_type'] == 'page' ? __( 'Saving is disabled: %s is currently editing this page.' ) : __( 'Saving is disabled: %s is currently editing this post.' ),        wp_specialchars( $last_user_name ) );
-               exit;
-       }
-
-       $data = &$_POST;
-       $post = get_post( $post_ID, ARRAY_A );
-       $data['content'] = $post['post_content'];
-       $data['excerpt'] = $post['post_excerpt'];
-
-       // rename
-       $data['user_ID'] = $GLOBALS['user_ID'];
-
-       if ( isset($data['post_parent']) )
-               $data['parent_id'] = $data['post_parent'];
-
-       // status
-       if ( isset($data['keep_private']) && 'private' == $data['keep_private'] )
-               $data['post_status'] = 'private';
-       else
-               $data['post_status'] = $data['_status'];
-
-       if ( empty($data['comment_status']) )
-               $data['comment_status'] = 'closed';
-       if ( empty($data['ping_status']) )
-               $data['ping_status'] = 'closed';
-
-       // update the post
-       $_POST = $data;
-       edit_post();
-
-       $post = array();
-       if ( 'page' == $_POST['post_type'] ) {
-               $post[] = get_post($_POST['post_ID']);
-               page_rows($post);
-       } elseif ( 'post' == $_POST['post_type'] ) {
-               $mode = $_POST['post_view'];
-               $post[] = get_post($_POST['post_ID']);
-               post_rows($post);
-       }
-
-       exit;
-       break;
-case 'inline-save-tax':
-       check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
-
-       if ( ! current_user_can('manage_categories') )
-               die( __('Cheatin&#8217; uh?') );
-
-       if ( ! isset($_POST['tax_ID']) || ! ( $id = (int) $_POST['tax_ID'] ) )
-               die(-1);
-
-       switch ($_POST['tax_type']) {
-               case 'cat' :
-                       $data = array();
-                       $data['cat_ID'] = $id;
-                       $data['cat_name'] = $_POST['name'];
-                       $data['category_nicename'] = $_POST['slug'];
-                       if ( isset($_POST['parent']) && (int) $_POST['parent'] > 0 )
-                               $data['category_parent'] = $_POST['parent'];
-
-                       $cat = get_category($id, ARRAY_A);
-                       $data['category_description'] = $cat['category_description'];
-
-                       $updated = wp_update_category($data);
-
-                       if ( $updated && !is_wp_error($updated) )
-                               echo _cat_row( $updated, 0 );
-                       else
-                               die( __('Category not updated.') );
-
-                       break;
-               case 'link-cat' :
-                       $updated = wp_update_term($id, 'link_category', $_POST);
-
-                       if ( $updated && !is_wp_error($updated) )
-                               echo link_cat_row($updated['term_id']);
-                       else
-                               die( __('Category not updated.') );
-
-                       break;
-               case 'tag' :
-                       $updated = wp_update_term($id, 'post_tag', $_POST);
-                       if ( $updated && !is_wp_error($updated) ) {
-                               $tag = get_term( $updated['term_id'], 'post_tag' );
-                               if ( !$tag || is_wp_error( $tag ) )
-                                       die( __('Tag not updated.') );
-
-                               echo _tag_row($tag);
-                       } else {
-                               die( __('Tag not updated.') );
-                       }
-
-                       break;
-       }
-
-       exit;
-       break;
-case 'meta-box-order':
-       check_ajax_referer( 'meta-box-order' );
-       update_user_option( $GLOBALS['current_user']->ID, "meta-box-order_$_POST[page]", $_POST['order'] );
-       die('1');
-       break;
-case 'find_posts':
-       check_ajax_referer( 'find-posts' );
-
-       if ( empty($_POST['ps']) )
-               exit;
-
-       $what = isset($_POST['pages']) ? 'page' : 'post';
-       $s = stripslashes($_POST['ps']);
-       preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $s, $matches);
-       $search_terms = array_map(create_function('$a', 'return trim($a, "\\"\'\\n\\r ");'), $matches[0]);
-
-       $searchand = $search = '';
-       foreach( (array) $search_terms as $term) {
-               $term = addslashes_gpc($term);
-               $search .= "{$searchand}(($wpdb->posts.post_title LIKE '%{$term}%') OR ($wpdb->posts.post_content LIKE '%{$term}%'))";
-               $searchand = ' AND ';
-       }
-       $term = $wpdb->escape($s);
-       if ( count($search_terms) > 1 && $search_terms[0] != $s )
-               $search .= " OR ($wpdb->posts.post_title LIKE '%{$term}%') OR ($wpdb->posts.post_content LIKE '%{$term}%')";
-
-       $posts = $wpdb->get_results( "SELECT ID, post_title, post_status, post_date FROM $wpdb->posts WHERE post_type = '$what' AND $search ORDER BY post_date_gmt DESC LIMIT 50" );
-
-       if ( ! $posts )
-               exit( __('No posts found.') );
-
-       $html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>'.__('Title').'</th><th>'.__('Time').'</th><th>'.__('Status').'</th></tr></thead><tbody>';
-       foreach ( $posts as $post ) {
-
-               switch ( $post->post_status ) {
-                       case 'publish' :
-                       case 'private' :
-                               $stat = __('Published');
-                               break;
-                       case 'future' :
-                               $stat = __('Scheduled');
-                               break;
-                       case 'pending' :
-                               $stat = __('Pending Review');
-                               break;
-                       case 'draft' :
-                               $stat = __('Unpublished');
-                               break;
-               }
-
-               if ( '0000-00-00 00:00:00' == $post->post_date ) {
-                       $time = '';
-               } else {
-                       $time = mysql2date(__('Y/m/d'), $post->post_date);
-               }
-
-               $html .= '<tr class="found-posts"><td class="found-radio"><input type="radio" id="found-'.$post->ID.'" name="found_post_id" value="'.$post->ID.'"></td>';
-               $html .= '<td><label for="found-'.$post->ID.'">'.wp_specialchars($post->post_title, true).'</label></td><td>'.wp_specialchars($time, true).'</td><td>'.wp_specialchars($stat, true).'</td></tr>'."\n\n";
-       }
-       $html .= '</tbody></table>';
-
-       $x = new WP_Ajax_Response();
-       $x->add( array(
-               'what' => $what,
-               'data' => $html
-       ));
-       $x->send();
-
-       break;
-default :
-       do_action( 'wp_ajax_' . $_POST['action'] );
-       die('0');
-       break;
-endswitch;
-?>
+/** Load WordPress Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+/** Allow for cross-domain requests (from the frontend). */
+send_origin_headers();
+
+// Require an action parameter
+if ( empty( $_REQUEST['action'] ) )
+       die( '0' );
+
+/** Load WordPress Administration APIs */
+require_once( ABSPATH . 'wp-admin/includes/admin.php' );
+
+/** Load Ajax Handlers for WordPress Core */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+@header( 'X-Robots-Tag: noindex' );
+
+send_nosniff_header();
+nocache_headers();
+
+/** This action is documented in wp-admin/admin.php */
+do_action( 'admin_init' );
+
+$core_actions_get = array(
+       'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache',
+       'autocomplete-user', 'dashboard-widgets', 'logged-in',
+);
+
+$core_actions_post = array(
+       'oembed-cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',
+       'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',
+       'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',
+       'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'closed-postboxes',
+       'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',
+       'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
+       'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
+       'save-widget', 'delete-inactive-widgets', 'set-post-thumbnail', 'date_format', 'time_format',
+       'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',
+       'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',
+       'send-attachment-to-editor', 'save-attachment-order', 'heartbeat', 'get-revision-diffs',
+       'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail',
+       'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'press-this-save-post',
+       'press-this-add-category', 'crop-image', 'generate-password', 'save-wporg-username',
+);
+
+// Deprecated
+$core_actions_post[] = 'wp-fullscreen-save-post';
+
+// Register core Ajax calls.
+if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get ) )
+       add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );
+
+if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post ) )
+       add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );
+
+add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );
+
+if ( is_user_logged_in() ) {
+       /**
+        * Fires authenticated AJAX actions for logged-in users.
+        *
+        * The dynamic portion of the hook name, `$_REQUEST['action']`,
+        * refers to the name of the AJAX action callback being fired.
+        *
+        * @since 2.1.0
+        */
+       do_action( 'wp_ajax_' . $_REQUEST['action'] );
+} else {
+       /**
+        * Fires non-authenticated AJAX actions for logged-out users.
+        *
+        * The dynamic portion of the hook name, `$_REQUEST['action']`,
+        * refers to the name of the AJAX action callback being fired.
+        *
+        * @since 2.8.0
+        */
+       do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );
+}
+// Default status
+die( '0' );