Wordpress 3.3-scripts

[autoinstalls/wordpress.git] / wp-admin / admin-ajax.php

diff --git a/wp-admin/admin-ajax.php b/wp-admin/admin-ajax.php
index a7e0b48dd0ba100529d901b299c82f0d32e94670..c21c861e4bbb2e4a9c6c14cfc7162bf59cabf67a 100644 (file)
--- a/wp-admin/admin-ajax.php
+++ b/wp-admin/admin-ajax.php
@@ -55,10 +55,7 @@ case 'fetch-list' :
        $list_class = $_GET['list_args']['class'];
        check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' );
 
        $list_class = $_GET['list_args']['class'];
        check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' );
 

-       $current_screen = (object) $_GET['list_args']['screen'];
-       //TODO fix this in a better way see #15336
-       $current_screen->is_network = 'false' === $current_screen->is_network ? false : true;
-       $current_screen->is_user = 'false' === $current_screen->is_user ? false : true;
+       $current_screen = convert_to_screen( $_GET['list_args']['screen']['id'] );

 
        define( 'WP_NETWORK_ADMIN', $current_screen->is_network );
        define( 'WP_USER_ADMIN', $current_screen->is_user );
 
        define( 'WP_NETWORK_ADMIN', $current_screen->is_network );
        define( 'WP_USER_ADMIN', $current_screen->is_user );


@@ -321,7 +318,7 @@ switch ( $action = $_POST['action'] ) :
 case 'delete-comment' : // On success, die with time() instead of 1
        if ( !$comment = get_comment( $id ) )
                die( (string) time() );
 case 'delete-comment' : // On success, die with time() instead of 1
        if ( !$comment = get_comment( $id ) )
                die( (string) time() );

-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
+       if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) )

                die('-1');
 
        check_ajax_referer( "delete-comment_$id" );
                die('-1');
 
        check_ajax_referer( "delete-comment_$id" );


@@ -393,10 +390,10 @@ case 'delete-link' :
        break;
 case 'delete-meta' :
        check_ajax_referer( "delete-meta_$id" );
        break;
 case 'delete-meta' :
        check_ajax_referer( "delete-meta_$id" );

-       if ( !$meta = get_post_meta_by_id( $id ) )
+       if ( !$meta = get_metadata_by_mid( 'post', $id ) )

                die('1');
 
                die('1');
 

-       if ( !current_user_can( 'edit_post', $meta->post_id ) || is_protected_meta( $meta->meta_key ) )
+       if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta',  $meta->post_id, $meta->meta_key ) )

                die('-1');
        if ( delete_meta( $meta->meta_id ) )
                die('1');
                die('-1');
        if ( delete_meta( $meta->meta_id ) )
                die('1');


@@ -457,7 +454,7 @@ case 'dim-comment' : // On success, die with time() instead of 1
                $x->send();
        }
 
                $x->send();
        }
 

-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) && !current_user_can( 'moderate_comments' ) )
+       if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) )

                die('-1');
 
        $current = wp_get_comment_status( $comment->comment_ID );
                die('-1');
 
        $current = wp_get_comment_status( $comment->comment_ID );


@@ -508,7 +505,7 @@ case 'add-link-category' : // On the Fly
        $x->send();
        break;
 case 'add-tag' :
        $x->send();
        break;
 case 'add-tag' :

-       check_ajax_referer( 'add-tag' );
+       check_ajax_referer( 'add-tag', '_wpnonce_add-tag' );

        $post_type = !empty($_POST['post_type']) ? $_POST['post_type'] : 'post';
        $taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
        $tax = get_taxonomy($taxonomy);
        $post_type = !empty($_POST['post_type']) ? $_POST['post_type'] : 'post';
        $taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
        $tax = get_taxonomy($taxonomy);


@@ -609,15 +606,17 @@ case 'get-comments' :
        if ( !$wp_list_table->has_items() )
                die('1');
 
        if ( !$wp_list_table->has_items() )
                die('1');
 

-       $comment_list_item = '';

        $x = new WP_Ajax_Response();
        $x = new WP_Ajax_Response();

+       ob_start();

        foreach ( $wp_list_table->items as $comment ) {
        foreach ( $wp_list_table->items as $comment ) {

+               if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) )
+                       continue;

                get_comment( $comment );
                get_comment( $comment );

-               ob_start();
-                       $wp_list_table->single_row( $comment );
-                       $comment_list_item .= ob_get_contents();
-               ob_end_clean();
+               $wp_list_table->single_row( $comment );

        }
        }

+       $comment_list_item = ob_get_contents();
+       ob_end_clean();
+

        $x->add( array(
                'what' => 'comments',
                'data' => $comment_list_item
        $x->add( array(
                'what' => 'comments',
                'data' => $comment_list_item


@@ -638,7 +637,7 @@ case 'replyto-comment' :
        if ( empty($status) )
                die('1');
        elseif ( in_array($status, array('draft', 'pending', 'trash') ) )
        if ( empty($status) )
                die('1');
        elseif ( in_array($status, array('draft', 'pending', 'trash') ) )

-               die( __('Error: you are replying to a comment on a draft post.') );
+               die( __('ERROR: you are replying to a comment on a draft post.') );

 
        $user = wp_get_current_user();
        if ( $user->ID ) {
 
        $user = wp_get_current_user();
        if ( $user->ID ) {


@@ -646,8 +645,8 @@ case 'replyto-comment' :
                $comment_author_email = $wpdb->escape($user->user_email);
                $comment_author_url   = $wpdb->escape($user->user_url);
                $comment_content      = trim($_POST['content']);
                $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'] ) {
+               if ( current_user_can( 'unfiltered_html' ) ) {
+                       if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {

                                kses_remove_filters(); // start with a clean slate
                                kses_init_filters(); // set up the filters
                        }
                                kses_remove_filters(); // start with a clean slate
                                kses_init_filters(); // set up the filters
                        }


@@ -657,18 +656,28 @@ case 'replyto-comment' :
        }
 
        if ( '' == $comment_content )
        }
 
        if ( '' == $comment_content )

-               die( __('Error: please type a comment.') );
+               die( __('ERROR: please type a comment.') );

 
        $comment_parent = absint($_POST['comment_ID']);
 
        $comment_parent = absint($_POST['comment_ID']);

+       $comment_auto_approved = false;

        $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');
 
        $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');
 

-       $position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
+       $position = ( isset($_POST['position']) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';

 
 

-       $x = new WP_Ajax_Response();
+
+       // automatically approve parent comment
+       if ( !empty($_POST['approve_parent']) ) {
+               $parent = get_comment( $comment_parent );
+
+               if ( $parent && $parent->comment_approved === '0' && $parent->comment_post_ID == $comment_post_ID ) {
+                       if ( wp_set_comment_status( $parent->comment_ID, 'approve' ) )
+                               $comment_auto_approved = true;
+               }
+       }

 
        ob_start();
                if ( 'dashboard' == $_REQUEST['mode'] ) {
 
        ob_start();
                if ( 'dashboard' == $_REQUEST['mode'] ) {


@@ -685,13 +694,18 @@ case 'replyto-comment' :
                $comment_list_item = ob_get_contents();
        ob_end_clean();
 
                $comment_list_item = ob_get_contents();
        ob_end_clean();
 

-       $x->add( array(
+       $response =  array(

                'what' => 'comment',
                'id' => $comment->comment_ID,
                'data' => $comment_list_item,
                'position' => $position
                'what' => 'comment',
                'id' => $comment->comment_ID,
                'data' => $comment_list_item,
                'position' => $position

-       ));
+       );

 
 

+       if ( $comment_auto_approved )
+               $response['supplemental'] = array( 'parent_approved' => $parent->comment_ID );
+
+       $x = new WP_Ajax_Response();
+       $x->add( $response );

        $x->send();
        break;
 case 'edit-comment' :
        $x->send();
        break;
 case 'edit-comment' :


@@ -699,14 +713,13 @@ case 'edit-comment' :
 
        set_current_screen( 'edit-comments' );
 
 
        set_current_screen( 'edit-comments' );
 

-       $comment_post_ID = (int) $_POST['comment_post_ID'];
-       if ( ! current_user_can( 'edit_post', $comment_post_ID ) )
+       $comment_id = (int) $_POST['comment_ID'];
+       if ( ! current_user_can( 'edit_comment', $comment_id ) )

                die('-1');
 
        if ( '' == $_POST['content'] )
                die('-1');
 
        if ( '' == $_POST['content'] )

-               die( __('Error: please type a comment.') );
+               die( __('ERROR: please type a comment.') );

 
 

-       $comment_id = (int) $_POST['comment_ID'];

        $_POST['comment_status'] = $_POST['status'];
        edit_comment();
 
        $_POST['comment_status'] = $_POST['status'];
        edit_comment();
 


@@ -833,7 +846,7 @@ case 'add-meta' :
                        die(__('Please provide a custom field value.'));
                }
 
                        die(__('Please provide a custom field value.'));
                }
 

-               $meta = get_post_meta_by_id( $mid );
+               $meta = get_metadata_by_mid( 'post', $mid );

                $pid = (int) $meta->post_id;
                $meta = get_object_vars( $meta );
                $x = new WP_Ajax_Response( array(
                $pid = (int) $meta->post_id;
                $meta = get_object_vars( $meta );
                $x = new WP_Ajax_Response( array(


@@ -844,26 +857,24 @@ case 'add-meta' :
                        'supplemental' => array('postid' => $pid)
                ) );
        } else { // Update?
                        'supplemental' => array('postid' => $pid)
                ) );
        } else { // Update?

-               $mid = (int) array_pop( $var_by_ref = array_keys($_POST['meta']) );
-               $key = $_POST['meta'][$mid]['key'];
-               $value = $_POST['meta'][$mid]['value'];
+               $mid = (int) key( $_POST['meta'] );
+               $key = stripslashes( $_POST['meta'][$mid]['key'] );
+               $value = stripslashes( $_POST['meta'][$mid]['value'] );

                if ( '' == trim($key) )
                        die(__('Please provide a custom field name.'));
                if ( '' == trim($value) )
                        die(__('Please provide a custom field value.'));
                if ( '' == trim($key) )
                        die(__('Please provide a custom field name.'));
                if ( '' == trim($value) )
                        die(__('Please provide a custom field value.'));

-               if ( !$meta = get_post_meta_by_id( $mid ) )
+               if ( ! $meta = get_metadata_by_mid( 'post', $mid ) )

                        die('0'); // if meta doesn't exist
                        die('0'); // if meta doesn't exist

-               if ( !current_user_can( 'edit_post', $meta->post_id ) )
+               if ( is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) ||
+                       ! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) ||
+                       ! current_user_can( 'edit_post_meta', $meta->post_id, $key ) )

                        die('-1');
                        die('-1');

-               if ( is_protected_meta( $meta->meta_key ) )
-                       die('-1');
-               if ( $meta->meta_value != stripslashes($value) || $meta->meta_key != stripslashes($key) ) {
-                       if ( !$u = update_meta( $mid, $key, $value ) )
+               if ( $meta->meta_value != $value || $meta->meta_key != $key ) {
+                       if ( !$u = update_metadata_by_mid( 'post', $mid, $value, $key ) )

                                die('0'); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
                }
 
                                die('0'); // 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,
                $x = new WP_Ajax_Response( array(
                        'what' => 'meta',
                        'id' => $mid, 'old_id' => $mid,


@@ -918,7 +929,7 @@ case 'autosave' : // The name of this action is hardcoded in edit_post()
        $do_autosave = (bool) $_POST['autosave'];
        $do_lock = true;
 
        $do_autosave = (bool) $_POST['autosave'];
        $do_lock = true;
 

-       $data = '';
+       $data = $alert = '';

        /* translators: draft saved date format, see http://php.net/date */
        $draft_saved_date_format = __('g:i:s a');
        /* translators: %s: date and time */
        /* translators: draft saved date format, see http://php.net/date */
        $draft_saved_date_format = __('g:i:s a');
        /* translators: %s: date and time */


@@ -926,7 +937,7 @@ case 'autosave' : // The name of this action is hardcoded in edit_post()
 
        $supplemental = array();
        if ( isset($login_grace_period) )
 
        $supplemental = array();
        if ( isset($login_grace_period) )

-               $supplemental['session_expired'] = add_query_arg( 'interim-login', 1, wp_login_url() );
+               $alert .= sprintf( __('Your login has expired. Please open a new browser window and <a href="%s" target="_blank">log in again</a>. '), add_query_arg( 'interim-login', 1, wp_login_url() ) );

 
        $id = $revision_id = 0;
 
 
        $id = $revision_id = 0;
 


@@ -941,12 +952,10 @@ case 'autosave' : // The name of this action is hardcoded in edit_post()
 
                $last_user = get_userdata( $last );
                $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
 
                $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.' ),
-                       esc_html( $last_user_name )
-               ) );
+               $data = __( 'Autosave disabled.' );

 
                $supplemental['disable_autosave'] = 'disable';
 
                $supplemental['disable_autosave'] = 'disable';

+               $alert .= sprintf( __( '%s is currently editing this article. If you update it, you will overwrite the changes.' ), esc_html( $last_user_name ) );

        }
 
        if ( 'page' == $post->post_type ) {
        }
 
        if ( 'page' == $post->post_type ) {


@@ -970,20 +979,23 @@ case 'autosave' : // The name of this action is hardcoded in edit_post()
                }
                $data = $message;
        } else {
                }
                $data = $message;
        } else {

-               if ( isset( $_POST['auto_draft'] ) && '1' == $_POST['auto_draft'] )
+               if ( ! empty( $_POST['auto_draft'] ) )

                        $id = 0; // This tells us it didn't actually save
                else
                        $id = $post->ID;
        }
 
                        $id = 0; // This tells us it didn't actually save
                else
                        $id = $post->ID;
        }
 

-       if ( $do_lock && ( isset( $_POST['auto_draft'] ) && ( $_POST['auto_draft'] != '1' ) ) && $id && is_numeric($id) )
-               wp_set_post_lock( $id );
+       if ( $do_lock && empty( $_POST['auto_draft'] ) && $id && is_numeric( $id ) ) {
+               $lock_result = wp_set_post_lock( $id );
+               $supplemental['active-post-lock'] = implode( ':', $lock_result );
+       }

 
        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 ( $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');

+               $supplemental['replace-_ajax_linking_nonce'] = wp_create_nonce( 'internal-linking' );

                if ( $id ) {
                        if ( $_POST['post_type'] == 'post' )
                                $supplemental['replace-_wpnonce'] = wp_create_nonce('update-post_' . $id);
                if ( $id ) {
                        if ( $_POST['post_type'] == 'post' )
                                $supplemental['replace-_wpnonce'] = wp_create_nonce('update-post_' . $id);


@@ -992,6 +1004,9 @@ case 'autosave' : // The name of this action is hardcoded in edit_post()
                }
        }
 
                }
        }
 

+       if ( ! empty($alert) )
+               $supplemental['alert'] = $alert;
+

        $x = new WP_Ajax_Response( array(
                'what' => 'autosave',
                'id' => $id,
        $x = new WP_Ajax_Response( array(
                'what' => 'autosave',
                'id' => $id,


@@ -1010,8 +1025,8 @@ case 'closed-postboxes' :
 
        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 
 
        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 

-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
+       if ( $page != sanitize_key( $page ) )
+               die('0');

 
        if ( ! $user = wp_get_current_user() )
                die('-1');
 
        if ( ! $user = wp_get_current_user() )
                die('-1');


@@ -1032,8 +1047,8 @@ case 'hidden-columns' :
        $hidden = explode( ',', $_POST['hidden'] );
        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 
        $hidden = explode( ',', $_POST['hidden'] );
        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 

-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
+       if ( $page != sanitize_key( $page ) )
+               die('0');

 
        if ( ! $user = wp_get_current_user() )
                die('-1');
 
        if ( ! $user = wp_get_current_user() )
                die('-1');


@@ -1041,6 +1056,16 @@ case 'hidden-columns' :
        if ( is_array($hidden) )
                update_user_option($user->ID, "manage{$page}columnshidden", $hidden, true);
 
        if ( is_array($hidden) )
                update_user_option($user->ID, "manage{$page}columnshidden", $hidden, true);
 

+       die('1');
+       break;
+case 'update-welcome-panel' :
+       check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' );
+
+       if ( ! current_user_can( 'edit_theme_options' ) )
+               die('-1');
+
+       update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 );
+

        die('1');
        break;
 case 'menu-get-metabox' :
        die('1');
        break;
 case 'menu-get-metabox' :


@@ -1093,8 +1118,6 @@ case 'menu-quick-search':
        exit;
        break;
 case 'wp-link-ajax':
        exit;
        break;
 case 'wp-link-ajax':

-       require_once ABSPATH . 'wp-admin/includes/internal-linking.php';
-

        check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' );
 
        $args = array();
        check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' );
 
        $args = array();


@@ -1103,7 +1126,8 @@ case 'wp-link-ajax':
                $args['s'] = stripslashes( $_POST['search'] );
        $args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
 
                $args['s'] = stripslashes( $_POST['search'] );
        $args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
 

-       $results = wp_link_query( $args );
+       require(ABSPATH . WPINC . '/class-wp-editor.php');
+       $results = _WP_Editors::wp_link_query( $args );

 
        if ( ! isset( $results ) )
                die( '0' );
 
        if ( ! isset( $results ) )
                die( '0' );


@@ -1125,11 +1149,15 @@ case 'menu-locations-save':
 case 'meta-box-order':
        check_ajax_referer( 'meta-box-order' );
        $order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
 case 'meta-box-order':
        check_ajax_referer( 'meta-box-order' );
        $order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;

-       $page_columns = isset( $_POST['page_columns'] ) ? (int) $_POST['page_columns'] : 0;
+       $page_columns = isset( $_POST['page_columns'] ) ? $_POST['page_columns'] : 'auto';
+
+       if ( $page_columns != 'auto' )
+               $page_columns = (int) $page_columns;
+

        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 
        $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
 

-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
+       if ( $page != sanitize_key( $page ) )
+               die('0');

 
        if ( ! $user = wp_get_current_user() )
                die('-1');
 
        if ( ! $user = wp_get_current_user() )
                die('-1');


@@ -1455,8 +1483,10 @@ case 'set-post-thumbnail':
        check_ajax_referer( "set_post_thumbnail-$post_ID" );
 
        if ( $thumbnail_id == '-1' ) {
        check_ajax_referer( "set_post_thumbnail-$post_ID" );
 
        if ( $thumbnail_id == '-1' ) {

-               delete_post_meta( $post_ID, '_thumbnail_id' );
-               die( _wp_post_thumbnail_html() );
+               if ( delete_post_thumbnail( $post_ID ) )
+                       die( _wp_post_thumbnail_html() );
+               else
+                       die( '0' );

        }
 
        if ( set_post_thumbnail( $post_ID, $thumbnail_id ) )
        }
 
        if ( set_post_thumbnail( $post_ID, $thumbnail_id ) )


@@ -1469,6 +1499,90 @@ case 'date_format' :
 case 'time_format' :
        die( date_i18n( sanitize_option( 'time_format', $_POST['date'] ) ) );
        break;
 case 'time_format' :
        die( date_i18n( sanitize_option( 'time_format', $_POST['date'] ) ) );
        break;

+case 'wp-fullscreen-save-post' :
+       $post_id = isset( $_POST['post_ID'] ) ? (int) $_POST['post_ID'] : 0;
+
+       $post = $post_type = null;
+
+       if ( $post_id )
+               $post = get_post( $post_id );
+
+       if ( $post )
+               $post_type = $post->post_type;
+       elseif ( isset( $_POST['post_type'] ) && post_type_exists( $_POST['post_type'] ) )
+               $post_type = $_POST['post_type'];
+
+       check_ajax_referer('update-' . $post_type . '_' . $post_id, '_wpnonce');
+
+       $post_id = edit_post();
+
+       if ( is_wp_error($post_id) ) {
+               if ( $post_id->get_error_message() )
+                       $message = $post_id->get_error_message();
+               else
+                       $message = __('Save failed');
+
+               echo json_encode( array( 'message' => $message, 'last_edited' => '' ) );
+               die();
+       } else {
+               $message = __('Saved.');
+       }
+
+       if ( $post ) {
+               $last_date = mysql2date( get_option('date_format'), $post->post_modified );
+               $last_time = mysql2date( get_option('time_format'), $post->post_modified );
+       } else {
+               $last_date = date_i18n( get_option('date_format') );
+               $last_time = date_i18n( get_option('time_format') );
+       }
+
+       if ( $last_id = get_post_meta($post_id, '_edit_last', true) ) {
+               $last_user = get_userdata($last_id);
+               $last_edited = sprintf( __('Last edited by %1$s on %2$s at %3$s'), esc_html( $last_user->display_name ), $last_date, $last_time );
+       } else {
+               $last_edited = sprintf( __('Last edited on %1$s at %2$s'), $last_date, $last_time );
+       }
+
+       echo json_encode( array( 'message' => $message, 'last_edited' => $last_edited ) );
+       die();
+       break;
+case 'wp-remove-post-lock' :
+       if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) )
+               die( '0' );
+       $post_id = (int) $_POST['post_ID'];
+       if ( ! $post = get_post( $post_id ) )
+               die( '0' );
+
+       check_ajax_referer( 'update-' . $post->post_type . '_' . $post_id );
+
+       if ( ! current_user_can( 'edit_post', $post_id ) )
+               die( '-1' );
+
+       $active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) );
+       if ( $active_lock[1] != get_current_user_id() )
+               die( '0' );
+
+       $new_lock = ( time() - apply_filters( 'wp_check_post_lock_window', AUTOSAVE_INTERVAL * 2 ) + 5 ) . ':' . $active_lock[1];
+       update_post_meta( $post_id, '_edit_lock', $new_lock, implode( ':', $active_lock ) );
+       die( '1' );
+case 'dismiss-wp-pointer' :
+       $pointer = $_POST['pointer'];
+       if ( $pointer != sanitize_key( $pointer ) )
+               die( '0' );
+
+//     check_ajax_referer( 'dismiss-pointer_' . $pointer );
+
+       $dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) );
+
+       if ( in_array( $pointer, $dismissed ) )
+               die( '0' );
+
+       $dismissed[] = $pointer;
+       $dismissed = implode( ',', $dismissed );
+
+       update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed );
+       die( '1' );
+       break;

 default :
        do_action( 'wp_ajax_' . $_POST['action'] );
        die('0');
 default :
        do_action( 'wp_ajax_' . $_POST['action'] );
        die('0');