WordPress/wp-admin/admin-ajax.php

728 lines
20 KiB
PHP

<?php
/**
* WordPress AJAX Process Execution.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Executing AJAX process.
*
* @since unknown
*/
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 ( 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,
'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 '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->post_status, array('draft', 'pending') ) )
die( __('Error: you are replying to 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['comment']);
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');
$mode = ( isset($_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->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 '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'] );
$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 '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 '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;
default :
do_action( 'wp_ajax_' . $_POST['action'] );
die('0');
break;
endswitch;
?>