WebKitSite/blog/wp-admin/admin-ajax.php - WebKit - Git at Google

 <?php
 define('DOING_AJAX', true);

 require_once('../wp-load.php');
 require_once('includes/admin.php');

 if ( !is_user_logged_in() )
 	die('-1');

 if ( isset($_GET['action']) && 'ajax-tag-search' == $_GET['action'] ) {
 	if ( !current_user_can( 'manage_categories' ) )
 		die('-1');

 	$s = $_GET['q']; // is this slashed already?

 	if ( strstr( $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 name FROM $wpdb->terms WHERE name LIKE ('%". $s . "%')" );
 	echo join( $results, "\n" );
 	die;
 }

 $id = isset($_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 ( 'unapproved' == $current ) {
 		check_ajax_referer( "approve-comment_$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,
 		'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,
 		'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,
 		'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 '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';

 	list($comments, $total) = _wp_get_comment_list( $status, $search, $start, 1 );

 	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 );
 			$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 '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( __('g:i:s a'), current_time( 'timestamp', true ) ) );

 	$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'] );
 	$page = isset( $_POST['page'] )? $_POST['page'] : '';
 	if ( !preg_match( '/^[a-z-]+$/', $page ) ) {
 		die(-1);
 	}
 	if (!is_array($closed)) break;
 	$current_user = wp_get_current_user();
 	update_usermeta($current_user->ID, 'closedpostboxes_'.$page, $closed);
 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;
 default :
 	do_action( 'wp_ajax_' . $_POST['action'] );
 	die('0');
 	break;
 endswitch;
 ?>
	<?php
	define('DOING_AJAX', true);

	require_once('../wp-load.php');
	require_once('includes/admin.php');

	if ( !is_user_logged_in() )
	die('-1');

	if ( isset($_GET['action']) && 'ajax-tag-search' == $_GET['action'] ) {
	if ( !current_user_can( 'manage_categories' ) )
	die('-1');

	$s = $_GET['q']; // is this slashed already?

	if ( strstr( $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 name FROM $wpdb->terms WHERE name LIKE ('%". $s . "%')" );
	echo join( $results, "\n" );
	die;
	}

	$id = isset($_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’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 ( 'unapproved' == $current ) {
	check_ajax_referer( "approve-comment_$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 . ' — ' . $cat_full_name;
	$level++;
	}
	$cat_full_name = attribute_escape($cat_full_name);

	$x = new WP_Ajax_Response( array(
	'what' => 'cat',
	'id' => $cat->term_id,
	'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,
	'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,
	'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 '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';

	list($comments, $total) = _wp_get_comment_list( $status, $search, $start, 1 );

	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 );
	$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 '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( __('g:i:s a'), current_time( 'timestamp', true ) ) );

	$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'] );
	$page = isset( $_POST['page'] )? $_POST['page'] : '';
	if ( !preg_match( '/^[a-z-]+$/', $page ) ) {
	die(-1);
	}
	if (!is_array($closed)) break;
	$current_user = wp_get_current_user();
	update_usermeta($current_user->ID, 'closedpostboxes_'.$page, $closed);
	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;
	default :
	do_action( 'wp_ajax_' . $_POST['action'] );
	die('0');
	break;
	endswitch;
	?>