X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/959f97d8ecd5c1668103a3e41c795486b944bc68..c81aba3d563f7459dc79140e4c5be67bcf506b92:/wp-admin/admin-ajax.php

diff --git a/wp-admin/admin-ajax.php b/wp-admin/admin-ajax.php
index 4e34333c..5597aece 100644
--- a/wp-admin/admin-ajax.php
+++ b/wp-admin/admin-ajax.php
@@ -1,586 +1,102 @@
 <?php
-define('DOING_AJAX', true);
-
-require_once('../wp-config.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, ',' ) )
-		die; // it's a multiple tag insert, we won't find anything
-	$results = $wpdb->get_col( "SELECT name FROM $wpdb->terms WHERE name LIKE ('%$s%')" );
-	echo join( $results, "\n" );
-	die;
+/**
+ * WordPress AJAX Process Execution.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ *
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
+ */
+
+/**
+ * Executing AJAX process.
+ *
+ * @since 2.1.0
+ */
+define( 'DOING_AJAX', true );
+if ( ! defined( 'WP_ADMIN' ) ) {
+	define( 'WP_ADMIN', true );
 }
 
-$id = isset($_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('0');
-	if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
-		die('-1');
-
-	if ( isset($_POST['spam']) && 1 == $_POST['spam'] )
-		$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');
-
-	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');
-
-	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_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');
-
-	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('0');
-	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 ( 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 ( 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', $comment->comment_post_ID ) )
-		die('-1');
-	if ( !current_user_can( 'moderate_comments' ) )
-		die('-1');
-
-	if ( 'unapproved' == wp_get_comment_status($comment->comment_ID) ) {
-		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 );
-
-	$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 );
-		$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, $start, 1 );
-
-	if ( !$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, false );
-			$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()
-	$nonce_age = check_ajax_referer( 'autosave', 'autosavenonce');
-	global $current_user;
-
-	$_POST['post_status'] = 'draft';
-	$_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();
-
-	$id = 0;
-	if($_POST['post_ID'] < 0) {
-		$_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 ) {
-			$id = edit_post();
-			$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;
-?>
+/** 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' );