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<?php
/**
* Administration API: Core Ajax handlers
*
* @package WordPress
* @subpackage Administration
* @since 2.1.0
*/
//
// No-privilege Ajax handlers.
//
/**
* Ajax handler for the Heartbeat API in
* the no-privilege context.
*
* Runs when the user is not logged in.
*
* @since 3.6.0
*/
function wp_ajax_nopriv_heartbeat() {
$response = array();
// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
if ( ! empty( $_POST['screen_id'] ) ) {
$screen_id = sanitize_key( $_POST['screen_id'] );
} else {
$screen_id = 'front';
}
if ( ! empty( $_POST['data'] ) ) {
$data = wp_unslash( (array) $_POST['data'] );
/**
* Filters Heartbeat Ajax response in no-privilege environments.
*
* @since 3.6.0
*
* @param array $response The no-priv Heartbeat response.
* @param array $data The $_POST data sent.
* @param string $screen_id The screen id.
*/
$response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id );
}
/**
* Filters Heartbeat Ajax response in no-privilege environments when no data is passed.
*
* @since 3.6.0
*
* @param array $response The no-priv Heartbeat response.
* @param string $screen_id The screen id.
*/
$response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id );
/**
* Fires when Heartbeat ticks in no-privilege environments.
*
* Allows the transport to be easily replaced with long-polling.
*
* @since 3.6.0
*
* @param array $response The no-priv Heartbeat response.
* @param string $screen_id The screen id.
*/
do_action( 'heartbeat_nopriv_tick', $response, $screen_id );
// Send the current time according to the server.
$response['server_time'] = time();
wp_send_json( $response );
}
//
// GET-based Ajax handlers.
//
/**
* Ajax handler for fetching a list table.
*
* @since 3.1.0
*/
function wp_ajax_fetch_list() {
$list_class = $_GET['list_args']['class'];
check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' );
$wp_list_table = _get_list_table( $list_class, array( 'screen' => $_GET['list_args']['screen']['id'] ) );
if ( ! $wp_list_table ) {
wp_die( 0 );
}
if ( ! $wp_list_table->ajax_user_can() ) {
wp_die( -1 );
}
$wp_list_table->ajax_response();
wp_die( 0 );
}
/**
* Ajax handler for compression testing.
*
* @since 3.1.0
*/
function wp_ajax_wp_compression_test() {
if ( ! current_user_can( 'manage_options' ) ) {
wp_die( -1 );
}
if ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' == ini_get( 'output_handler' ) ) {
update_site_option( 'can_compress_scripts', 0 );
wp_die( 0 );
}
if ( isset( $_GET['test'] ) ) {
header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
header( 'Content-Type: application/javascript; charset=UTF-8' );
$force_gzip = ( defined( 'ENFORCE_GZIP' ) && ENFORCE_GZIP );
$test_str = '"wpCompressionTest Lorem ipsum dolor sit amet consectetuer mollis sapien urna ut a. Eu nonummy condimentum fringilla tempor pretium platea vel nibh netus Maecenas. Hac molestie amet justo quis pellentesque est ultrices interdum nibh Morbi. Cras mattis pretium Phasellus ante ipsum ipsum ut sociis Suspendisse Lorem. Ante et non molestie. Porta urna Vestibulum egestas id congue nibh eu risus gravida sit. Ac augue auctor Ut et non a elit massa id sodales. Elit eu Nulla at nibh adipiscing mattis lacus mauris at tempus. Netus nibh quis suscipit nec feugiat eget sed lorem et urna. Pellentesque lacus at ut massa consectetuer ligula ut auctor semper Pellentesque. Ut metus massa nibh quam Curabitur molestie nec mauris congue. Volutpat molestie elit justo facilisis neque ac risus Ut nascetur tristique. Vitae sit lorem tellus et quis Phasellus lacus tincidunt nunc Fusce. Pharetra wisi Suspendisse mus sagittis libero lacinia Integer consequat ac Phasellus. Et urna ac cursus tortor aliquam Aliquam amet tellus volutpat Vestibulum. Justo interdum condimentum In augue congue tellus sollicitudin Quisque quis nibh."';
if ( 1 == $_GET['test'] ) {
echo $test_str;
wp_die();
} elseif ( 2 == $_GET['test'] ) {
if ( ! isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
wp_die( -1 );
}
if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate' ) && function_exists( 'gzdeflate' ) && ! $force_gzip ) {
header( 'Content-Encoding: deflate' );
$out = gzdeflate( $test_str, 1 );
} elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) && function_exists( 'gzencode' ) ) {
header( 'Content-Encoding: gzip' );
$out = gzencode( $test_str, 1 );
} else {
wp_die( -1 );
}
echo $out;
wp_die();
} elseif ( 'no' == $_GET['test'] ) {
check_ajax_referer( 'update_can_compress_scripts' );
update_site_option( 'can_compress_scripts', 0 );
} elseif ( 'yes' == $_GET['test'] ) {
check_ajax_referer( 'update_can_compress_scripts' );
update_site_option( 'can_compress_scripts', 1 );
}
}
wp_die( 0 );
}
/**
* Ajax handler for image editor previews.
*
* @since 3.1.0
*/
function wp_ajax_imgedit_preview() {
$post_id = intval( $_GET['postid'] );
if ( empty( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {
wp_die( -1 );
}
check_ajax_referer( "image_editor-$post_id" );
include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
if ( ! stream_preview_image( $post_id ) ) {
wp_die( -1 );
}
wp_die();
}
/**
* Ajax handler for oEmbed caching.
*
* @since 3.1.0
*
* @global WP_Embed $wp_embed
*/
function wp_ajax_oembed_cache() {
$GLOBALS['wp_embed']->cache_oembed( $_GET['post'] );
wp_die( 0 );
}
/**
* Ajax handler for user autocomplete.
*
* @since 3.4.0
*/
function wp_ajax_autocomplete_user() {
if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) ) {
wp_die( -1 );
}
/** This filter is documented in wp-admin/user-new.php */
if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) ) {
wp_die( -1 );
}
$return = array();
// Check the type of request
// Current allowed values are `add` and `search`
if ( isset( $_REQUEST['autocomplete_type'] ) && 'search' === $_REQUEST['autocomplete_type'] ) {
$type = $_REQUEST['autocomplete_type'];
} else {
$type = 'add';
}
// Check the desired field for value
// Current allowed values are `user_email` and `user_login`
if ( isset( $_REQUEST['autocomplete_field'] ) && 'user_email' === $_REQUEST['autocomplete_field'] ) {
$field = $_REQUEST['autocomplete_field'];
} else {
$field = 'user_login';
}
// Exclude current users of this blog
if ( isset( $_REQUEST['site_id'] ) ) {
$id = absint( $_REQUEST['site_id'] );
} else {
$id = get_current_blog_id();
}
$include_blog_users = ( $type == 'search' ? get_users(
array(
'blog_id' => $id,
'fields' => 'ID',
)
) : array() );
$exclude_blog_users = ( $type == 'add' ? get_users(
array(
'blog_id' => $id,
'fields' => 'ID',
)
) : array() );
$users = get_users(
array(
'blog_id' => false,
'search' => '*' . $_REQUEST['term'] . '*',
'include' => $include_blog_users,
'exclude' => $exclude_blog_users,
'search_columns' => array( 'user_login', 'user_nicename', 'user_email' ),
)
);
foreach ( $users as $user ) {
$return[] = array(
/* translators: 1: user_login, 2: user_email */
'label' => sprintf( _x( '%1$s (%2$s)', 'user autocomplete result' ), $user->user_login, $user->user_email ),
'value' => $user->$field,
);
}
wp_die( wp_json_encode( $return ) );
}
/**
* Handles AJAX requests for community events
*
* @since 4.8.0
*/
function wp_ajax_get_community_events() {
require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );
check_ajax_referer( 'community_events' );
$search = isset( $_POST['location'] ) ? wp_unslash( $_POST['location'] ) : '';
$timezone = isset( $_POST['timezone'] ) ? wp_unslash( $_POST['timezone'] ) : '';
$user_id = get_current_user_id();
$saved_location = get_user_option( 'community-events-location', $user_id );
$events_client = new WP_Community_Events( $user_id, $saved_location );
$events = $events_client->get_events( $search, $timezone );
$ip_changed = false;
if ( is_wp_error( $events ) ) {
wp_send_json_error(
array(
'error' => $events->get_error_message(),
)
);
} else {
if ( empty( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) ) {
$ip_changed = true;
} elseif ( isset( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) && $saved_location['ip'] !== $events['location']['ip'] ) {
$ip_changed = true;
}
/*
* The location should only be updated when it changes. The API doesn't always return
* a full location; sometimes it's missing the description or country. The location
* that was saved during the initial request is known to be good and complete, though.
* It should be left intact until the user explicitly changes it (either by manually
* searching for a new location, or by changing their IP address).
*
* If the location was updated with an incomplete response from the API, then it could
* break assumptions that the UI makes (e.g., that there will always be a description
* that corresponds to a latitude/longitude location).
*
* The location is stored network-wide, so that the user doesn't have to set it on each site.
*/
if ( $ip_changed || $search ) {
update_user_option( $user_id, 'community-events-location', $events['location'], true );
}
wp_send_json_success( $events );
}
}
/**
* Ajax handler for dashboard widgets.
*
* @since 3.4.0
*/
function wp_ajax_dashboard_widgets() {
require_once ABSPATH . 'wp-admin/includes/dashboard.php';
$pagenow = $_GET['pagenow'];
if ( $pagenow === 'dashboard-user' || $pagenow === 'dashboard-network' || $pagenow === 'dashboard' ) {
set_current_screen( $pagenow );
}
switch ( $_GET['widget'] ) {
case 'dashboard_primary':
wp_dashboard_primary();
break;
}
wp_die();
}
/**
* Ajax handler for Customizer preview logged-in status.
*
* @since 3.4.0
*/
function wp_ajax_logged_in() {
wp_die( 1 );
}
//
// Ajax helpers.
//
/**
* Sends back current comment total and new page links if they need to be updated.
*
* Contrary to normal success Ajax response ("1"), die with time() on success.
*
* @access private
* @since 2.7.0
*
* @param int $comment_id
* @param int $delta
*/
function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
$total = isset( $_POST['_total'] ) ? (int) $_POST['_total'] : 0;
$per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0;
$page = isset( $_POST['_page'] ) ? (int) $_POST['_page'] : 0;
$url = isset( $_POST['_url'] ) ? esc_url_raw( $_POST['_url'] ) : '';
// JS didn't send us everything we need to know. Just die with success message
if ( ! $total || ! $per_page || ! $page || ! $url ) {
$time = time();
$comment = get_comment( $comment_id );
$comment_status = '';
$comment_link = '';
if ( $comment ) {
$comment_status = $comment->comment_approved;
}
if ( 1 === (int) $comment_status ) {
$comment_link = get_comment_link( $comment );
}
$counts = wp_count_comments();
$x = new WP_Ajax_Response(
array(
'what' => 'comment',
// Here for completeness - not used.
'id' => $comment_id,
'supplemental' => array(
'status' => $comment_status,
'postId' => $comment ? $comment->comment_post_ID : '',
'time' => $time,
'in_moderation' => $counts->moderated,
'i18n_comments_text' => sprintf(
/* translators: %s: number of comments approved */
_n( '%s Comment', '%s Comments', $counts->approved ),
number_format_i18n( $counts->approved )
),
'i18n_moderation_text' => sprintf(
/* translators: %s: number of comments in moderation */
_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
number_format_i18n( $counts->moderated )
),
'comment_link' => $comment_link,
),
)
);
$x->send();
}
$total += $delta;
if ( $total < 0 ) {
$total = 0;
}
// Only do the expensive stuff on a page-break, and about 1 other time per page
if ( 0 == $total % $per_page || 1 == mt_rand( 1, $per_page ) ) {
$post_id = 0;
// What type of comment count are we looking for?
$status = 'all';
$parsed = parse_url( $url );
if ( isset( $parsed['query'] ) ) {
parse_str( $parsed['query'], $query_vars );
if ( ! empty( $query_vars['comment_status'] ) ) {
$status = $query_vars['comment_status'];
}
if ( ! empty( $query_vars['p'] ) ) {
$post_id = (int) $query_vars['p'];
}
if ( ! empty( $query_vars['comment_type'] ) ) {
$type = $query_vars['comment_type'];
}
}
if ( empty( $type ) ) {
// Only use the comment count if not filtering by a comment_type.
$comment_count = wp_count_comments( $post_id );
// We're looking for a known type of comment count.
if ( isset( $comment_count->$status ) ) {
$total = $comment_count->$status;
}
}
// Else use the decremented value from above.
}
// The time since the last comment count.
$time = time();
$comment = get_comment( $comment_id );
$x = new WP_Ajax_Response(
array(
'what' => 'comment',
// Here for completeness - not used.
'id' => $comment_id,
'supplemental' => array(
'status' => $comment ? $comment->comment_approved : '',
'postId' => $comment ? $comment->comment_post_ID : '',
/* translators: %s: number of comments */
'total_items_i18n' => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ),
'total_pages' => ceil( $total / $per_page ),
'total_pages_i18n' => number_format_i18n( ceil( $total / $per_page ) ),
'total' => $total,
'time' => $time,
),
)
);
$x->send();
}
//
// POST-based Ajax handlers.
//
/**
* Ajax handler for adding a hierarchical term.
*
* @access private
* @since 3.1.0
*/
function _wp_ajax_add_hierarchical_term() {
$action = $_POST['action'];
$taxonomy = get_taxonomy( substr( $action, 4 ) );
check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
wp_die( -1 );
}
$names = explode( ',', $_POST[ 'new' . $taxonomy->name ] );
$parent = isset( $_POST[ 'new' . $taxonomy->name . '_parent' ] ) ? (int) $_POST[ 'new' . $taxonomy->name . '_parent' ] : 0;
if ( 0 > $parent ) {
$parent = 0;
}
if ( $taxonomy->name == 'category' ) {
$post_category = isset( $_POST['post_category'] ) ? (array) $_POST['post_category'] : array();
} else {
$post_category = ( isset( $_POST['tax_input'] ) && isset( $_POST['tax_input'][ $taxonomy->name ] ) ) ? (array) $_POST['tax_input'][ $taxonomy->name ] : array();
}
$checked_categories = array_map( 'absint', (array) $post_category );
$popular_ids = wp_popular_terms_checklist( $taxonomy->name, 0, 10, false );
foreach ( $names as $cat_name ) {
$cat_name = trim( $cat_name );
$category_nicename = sanitize_title( $cat_name );
if ( '' === $category_nicename ) {
continue;
}
$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
if ( ! $cat_id || is_wp_error( $cat_id ) ) {
continue;
} else {
$cat_id = $cat_id['term_id'];
}
$checked_categories[] = $cat_id;
if ( $parent ) { // Do these all at once in a second
continue;
}
ob_start();
wp_terms_checklist(
0,
array(
'taxonomy' => $taxonomy->name,
'descendants_and_self' => $cat_id,
'selected_cats' => $checked_categories,
'popular_cats' => $popular_ids,
)
);
$data = ob_get_clean();
$add = array(
'what' => $taxonomy->name,
'id' => $cat_id,
'data' => str_replace( array( "\n", "\t" ), '', $data ),
'position' => -1,
);
}
if ( $parent ) { // Foncy - replace the parent and all its children
$parent = get_term( $parent, $taxonomy->name );
$term_id = $parent->term_id;
while ( $parent->parent ) { // get the top parent
$parent = get_term( $parent->parent, $taxonomy->name );
if ( is_wp_error( $parent ) ) {
break;
}
$term_id = $parent->term_id;
}
ob_start();
wp_terms_checklist(
0,
array(
'taxonomy' => $taxonomy->name,
'descendants_and_self' => $term_id,
'selected_cats' => $checked_categories,
'popular_cats' => $popular_ids,
)
);
$data = ob_get_clean();
$add = array(
'what' => $taxonomy->name,
'id' => $term_id,
'data' => str_replace( array( "\n", "\t" ), '', $data ),
'position' => -1,
);
}
ob_start();
wp_dropdown_categories(
array(
'taxonomy' => $taxonomy->name,
'hide_empty' => 0,
'name' => 'new' . $taxonomy->name . '_parent',
'orderby' => 'name',
'hierarchical' => 1,
'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;',
)
);
$sup = ob_get_clean();
$add['supplemental'] = array( 'newcat_parent' => $sup );
$x = new WP_Ajax_Response( $add );
$x->send();
}
/**
* Ajax handler for deleting a comment.
*
* @since 3.1.0
*/
function wp_ajax_delete_comment() {
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
if ( ! $comment = get_comment( $id ) ) {
wp_die( time() );
}
if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
wp_die( -1 );
}
check_ajax_referer( "delete-comment_$id" );
$status = wp_get_comment_status( $comment );
$delta = -1;
if ( isset( $_POST['trash'] ) && 1 == $_POST['trash'] ) {
if ( 'trash' == $status ) {
wp_die( time() );
}
$r = wp_trash_comment( $comment );
} elseif ( isset( $_POST['untrash'] ) && 1 == $_POST['untrash'] ) {
if ( 'trash' != $status ) {
wp_die( time() );
}
$r = wp_untrash_comment( $comment );
if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) { // undo trash, not in trash
$delta = 1;
}
} elseif ( isset( $_POST['spam'] ) && 1 == $_POST['spam'] ) {
if ( 'spam' == $status ) {
wp_die( time() );
}
$r = wp_spam_comment( $comment );
} elseif ( isset( $_POST['unspam'] ) && 1 == $_POST['unspam'] ) {
if ( 'spam' != $status ) {
wp_die( time() );
}
$r = wp_unspam_comment( $comment );
if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) { // undo spam, not in spam
$delta = 1;
}
} elseif ( isset( $_POST['delete'] ) && 1 == $_POST['delete'] ) {
$r = wp_delete_comment( $comment );
} else {
wp_die( -1 );
}
if ( $r ) { // Decide if we need to send back '1' or a more complicated response including page links and comment counts
_wp_ajax_delete_comment_response( $comment->comment_ID, $delta );
}
wp_die( 0 );
}
/**
* Ajax handler for deleting a tag.
*
* @since 3.1.0
*/
function wp_ajax_delete_tag() {
$tag_id = (int) $_POST['tag_ID'];
check_ajax_referer( "delete-tag_$tag_id" );
if ( ! current_user_can( 'delete_term', $tag_id ) ) {
wp_die( -1 );
}
$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
$tag = get_term( $tag_id, $taxonomy );
if ( ! $tag || is_wp_error( $tag ) ) {
wp_die( 1 );
}
if ( wp_delete_term( $tag_id, $taxonomy ) ) {
wp_die( 1 );
} else {
wp_die( 0 );
}
}
/**
* Ajax handler for deleting a link.
*
* @since 3.1.0
*/
function wp_ajax_delete_link() {
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
check_ajax_referer( "delete-bookmark_$id" );
if ( ! current_user_can( 'manage_links' ) ) {
wp_die( -1 );
}
$link = get_bookmark( $id );
if ( ! $link || is_wp_error( $link ) ) {
wp_die( 1 );
}
if ( wp_delete_link( $id ) ) {
wp_die( 1 );
} else {
wp_die( 0 );
}
}
/**
* Ajax handler for deleting meta.
*
* @since 3.1.0
*/
function wp_ajax_delete_meta() {
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
check_ajax_referer( "delete-meta_$id" );
if ( ! $meta = get_metadata_by_mid( 'post', $id ) ) {
wp_die( 1 );
}
if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {
wp_die( -1 );
}
if ( delete_meta( $meta->meta_id ) ) {
wp_die( 1 );
}
wp_die( 0 );
}
/**
* Ajax handler for deleting a post.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_delete_post( $action ) {
if ( empty( $action ) ) {
$action = 'delete-post';
}
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
check_ajax_referer( "{$action}_$id" );
if ( ! current_user_can( 'delete_post', $id ) ) {
wp_die( -1 );
}
if ( ! get_post( $id ) ) {
wp_die( 1 );
}
if ( wp_delete_post( $id ) ) {
wp_die( 1 );
} else {
wp_die( 0 );
}
}
/**
* Ajax handler for sending a post to the trash.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_trash_post( $action ) {
if ( empty( $action ) ) {
$action = 'trash-post';
}
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
check_ajax_referer( "{$action}_$id" );
if ( ! current_user_can( 'delete_post', $id ) ) {
wp_die( -1 );
}
if ( ! get_post( $id ) ) {
wp_die( 1 );
}
if ( 'trash-post' == $action ) {
$done = wp_trash_post( $id );
} else {
$done = wp_untrash_post( $id );
}
if ( $done ) {
wp_die( 1 );
}
wp_die( 0 );
}
/**
* Ajax handler to restore a post from the trash.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_untrash_post( $action ) {
if ( empty( $action ) ) {
$action = 'untrash-post';
}
wp_ajax_trash_post( $action );
}
/**
* @since 3.1.0
*
* @param string $action
*/
function wp_ajax_delete_page( $action ) {
if ( empty( $action ) ) {
$action = 'delete-page';
}
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
check_ajax_referer( "{$action}_$id" );
if ( ! current_user_can( 'delete_page', $id ) ) {
wp_die( -1 );
}
if ( ! get_post( $id ) ) {
wp_die( 1 );
}
if ( wp_delete_post( $id ) ) {
wp_die( 1 );
} else {
wp_die( 0 );
}
}
/**
* Ajax handler to dim a comment.
*
* @since 3.1.0
*/
function wp_ajax_dim_comment() {
$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
if ( ! $comment = get_comment( $id ) ) {
$x = new WP_Ajax_Response(
array(
'what' => 'comment',
/* translators: %d: comment ID */
'id' => new WP_Error( 'invalid_comment', sprintf( __( 'Comment %d does not exist' ), $id ) ),
)
);
$x->send();
}
if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) ) {
wp_die( -1 );
}
$current = wp_get_comment_status( $comment );
if ( isset( $_POST['new'] ) && $_POST['new'] == $current ) {
wp_die( time() );
}
check_ajax_referer( "approve-comment_$id" );
if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) {
$result = wp_set_comment_status( $comment, 'approve', true );
} else {
$result = wp_set_comment_status( $comment, 'hold', true );
}
if ( is_wp_error( $result ) ) {
$x = new WP_Ajax_Response(
array(
'what' => 'comment',
'id' => $result,
)
);
$x->send();
}
// Decide if we need to send back '1' or a more complicated response including page links and comment counts
_wp_ajax_delete_comment_response( $comment->comment_ID );
wp_die( 0 );
}
/**
* Ajax handler for adding a link category.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_add_link_category( $action ) {
if ( empty( $action ) ) {
$action = 'add-link-category';
}
check_ajax_referer( $action );
$tax = get_taxonomy( 'link_category' );
if ( ! current_user_can( $tax->cap->manage_terms ) ) {
wp_die( -1 );
}
$names = explode( ',', wp_unslash( $_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;
}
$cat_id = wp_insert_term( $cat_name, 'link_category' );
if ( ! $cat_id || is_wp_error( $cat_id ) ) {
continue;
} else {
$cat_id = $cat_id['term_id'];
}
$cat_name = esc_html( $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='" . esc_attr( $cat_id ) . "' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>",
'position' => -1,
)
);
}
$x->send();
}
/**
* Ajax handler to add a tag.
*
* @since 3.1.0
*/
function wp_ajax_add_tag() {
check_ajax_referer( 'add-tag', '_wpnonce_add-tag' );
$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
$tax = get_taxonomy( $taxonomy );
if ( ! current_user_can( $tax->cap->edit_terms ) ) {
wp_die( -1 );
}
$x = new WP_Ajax_Response();
$tag = wp_insert_term( $_POST['tag-name'], $taxonomy, $_POST );
if ( ! $tag || is_wp_error( $tag ) || ( ! $tag = get_term( $tag['term_id'], $taxonomy ) ) ) {
$message = __( 'An error has occurred. Please reload the page and try again.' );
if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
$message = $tag->get_error_message();
}
$x->add(
array(
'what' => 'taxonomy',
'data' => new WP_Error( 'error', $message ),
)
);
$x->send();
}
$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => $_POST['screen'] ) );
$level = 0;
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
$level = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) );
ob_start();
$wp_list_table->single_row( $tag, $level );
$noparents = ob_get_clean();
}
ob_start();
$wp_list_table->single_row( $tag );
$parents = ob_get_clean();
$x->add(
array(
'what' => 'taxonomy',
'supplemental' => compact( 'parents', 'noparents' ),
)
);
$x->add(
array(
'what' => 'term',
'position' => $level,
'supplemental' => (array) $tag,
)
);
$x->send();
}
/**
* Ajax handler for getting a tagcloud.
*
* @since 3.1.0
*/
function wp_ajax_get_tagcloud() {
if ( ! isset( $_POST['tax'] ) ) {
wp_die( 0 );
}
$taxonomy = sanitize_key( $_POST['tax'] );
$tax = get_taxonomy( $taxonomy );
if ( ! $tax ) {
wp_die( 0 );
}
if ( ! current_user_can( $tax->cap->assign_terms ) ) {
wp_die( -1 );
}
$tags = get_terms(
$taxonomy,
array(
'number' => 45,
'orderby' => 'count',
'order' => 'DESC',
)
);
if ( empty( $tags ) ) {
wp_die( $tax->labels->not_found );
}
if ( is_wp_error( $tags ) ) {
wp_die( $tags->get_error_message() );
}
foreach ( $tags as $key => $tag ) {
$tags[ $key ]->link = '#';
$tags[ $key ]->id = $tag->term_id;
}
// We need raw tag names here, so don't filter the output
$return = wp_generate_tag_cloud(
$tags,
array(
'filter' => 0,
'format' => 'list',
)
);
if ( empty( $return ) ) {
wp_die( 0 );
}
echo $return;
wp_die();
}
/**
* Ajax handler for getting comments.
*
* @since 3.1.0
*
* @global int $post_id
*
* @param string $action Action to perform.
*/
function wp_ajax_get_comments( $action ) {
global $post_id;
if ( empty( $action ) ) {
$action = 'get-comments';
}
check_ajax_referer( $action );
if ( empty( $post_id ) && ! empty( $_REQUEST['p'] ) ) {
$id = absint( $_REQUEST['p'] );
if ( ! empty( $id ) ) {
$post_id = $id;
}
}
if ( empty( $post_id ) ) {
wp_die( -1 );
}
$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
if ( ! current_user_can( 'edit_post', $post_id ) ) {
wp_die( -1 );
}
$wp_list_table->prepare_items();
if ( ! $wp_list_table->has_items() ) {
wp_die( 1 );
}
$x = new WP_Ajax_Response();
ob_start();
foreach ( $wp_list_table->items as $comment ) {
if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved ) {
continue;
}
get_comment( $comment );
$wp_list_table->single_row( $comment );
}
$comment_list_item = ob_get_clean();
$x->add(
array(
'what' => 'comments',
'data' => $comment_list_item,
)
);
$x->send();
}
/**
* Ajax handler for replying to a comment.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_replyto_comment( $action ) {
if ( empty( $action ) ) {
$action = 'replyto-comment';
}
check_ajax_referer( $action, '_ajax_nonce-replyto-comment' );
$comment_post_ID = (int) $_POST['comment_post_ID'];
$post = get_post( $comment_post_ID );
if ( ! $post ) {
wp_die( -1 );
}
if ( ! current_user_can( 'edit_post', $comment_post_ID ) ) {
wp_die( -1 );
}
if ( empty( $post->post_status ) ) {
wp_die( 1 );
} elseif ( in_array( $post->post_status, array( 'draft', 'pending', 'trash' ) ) ) {
wp_die( __( 'ERROR: you are replying to a comment on a draft post.' ) );
}
$user = wp_get_current_user();
if ( $user->exists() ) {
$user_ID = $user->ID;
$comment_author = wp_slash( $user->display_name );
$comment_author_email = wp_slash( $user->user_email );
$comment_author_url = wp_slash( $user->user_url );
$comment_content = trim( $_POST['content'] );
$comment_type = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : '';
if ( current_user_can( 'unfiltered_html' ) ) {
if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) ) {
$_POST['_wp_unfiltered_html_comment'] = '';
}
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
}
}
} else {
wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) );
}
if ( '' == $comment_content ) {
wp_die( __( 'ERROR: please type a comment.' ) );
}
$comment_parent = 0;
if ( isset( $_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' );
// 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 ( ! current_user_can( 'edit_comment', $parent->comment_ID ) ) {
wp_die( -1 );
}
if ( wp_set_comment_status( $parent, 'approve' ) ) {
$comment_auto_approved = true;
}
}
}
$comment_id = wp_new_comment( $commentdata );
if ( is_wp_error( $comment_id ) ) {
wp_die( $comment_id->get_error_message() );
}
$comment = get_comment( $comment_id );
if ( ! $comment ) {
wp_die( 1 );
}
$position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
ob_start();
if ( isset( $_REQUEST['mode'] ) && 'dashboard' == $_REQUEST['mode'] ) {
require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
_wp_dashboard_recent_comments_row( $comment );
} else {
if ( isset( $_REQUEST['mode'] ) && 'single' == $_REQUEST['mode'] ) {
$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
} else {
$wp_list_table = _get_list_table( 'WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
}
$wp_list_table->single_row( $comment );
}
$comment_list_item = ob_get_clean();
$response = array(
'what' => 'comment',
'id' => $comment->comment_ID,
'data' => $comment_list_item,
'position' => $position,
);
$counts = wp_count_comments();
$response['supplemental'] = array(
'in_moderation' => $counts->moderated,
'i18n_comments_text' => sprintf(
/* translators: %s: number of comments approved */
_n( '%s Comment', '%s Comments', $counts->approved ),
number_format_i18n( $counts->approved )
),
'i18n_moderation_text' => sprintf(
/* translators: %s: number of comments moderated */
_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
number_format_i18n( $counts->moderated )
),
);
if ( $comment_auto_approved ) {
$response['supplemental']['parent_approved'] = $parent->comment_ID;
$response['supplemental']['parent_post_id'] = $parent->comment_post_ID;
}
$x = new WP_Ajax_Response();
$x->add( $response );
$x->send();
}
/**
* Ajax handler for editing a comment.
*
* @since 3.1.0
*/
function wp_ajax_edit_comment() {
check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' );
$comment_id = (int) $_POST['comment_ID'];
if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
wp_die( -1 );
}
if ( '' == $_POST['content'] ) {
wp_die( __( 'ERROR: please type a comment.' ) );
}
if ( isset( $_POST['status'] ) ) {
$_POST['comment_status'] = $_POST['status'];
}
edit_comment();
$position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
$checkbox = ( isset( $_POST['checkbox'] ) && true == $_POST['checkbox'] ) ? 1 : 0;
$wp_list_table = _get_list_table( $checkbox ? 'WP_Comments_List_Table' : 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
$comment = get_comment( $comment_id );
if ( empty( $comment->comment_ID ) ) {
wp_die( -1 );
}
ob_start();
$wp_list_table->single_row( $comment );
$comment_list_item = ob_get_clean();
$x = new WP_Ajax_Response();
$x->add(
array(
'what' => 'edit_comment',
'id' => $comment->comment_ID,
'data' => $comment_list_item,
'position' => $position,
)
);
$x->send();
}
/**
* Ajax handler for adding a menu item.
*
* @since 3.1.0
*/
function wp_ajax_add_menu_item() {
check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
// For performance reasons, we omit some object properties from the checklist.
// The following is a hacky way to restore them when adding non-custom items.
$menu_items_data = array();
foreach ( (array) $_POST['menu-item'] as $menu_item_data ) {
if (
! empty( $menu_item_data['menu-item-type'] ) &&
'custom' != $menu_item_data['menu-item-type'] &&
! empty( $menu_item_data['menu-item-object-id'] )
) {
switch ( $menu_item_data['menu-item-type'] ) {
case 'post_type':
$_object = get_post( $menu_item_data['menu-item-object-id'] );
break;
case 'post_type_archive':
$_object = get_post_type_object( $menu_item_data['menu-item-object'] );
break;
case 'taxonomy':
$_object = get_term( $menu_item_data['menu-item-object-id'], $menu_item_data['menu-item-object'] );
break;
}
$_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) );
$_menu_item = reset( $_menu_items );
// Restore the missing menu item properties
$menu_item_data['menu-item-description'] = $_menu_item->description;
}
$menu_items_data[] = $menu_item_data;
}
$item_ids = wp_save_nav_menu_items( 0, $menu_items_data );
if ( is_wp_error( $item_ids ) ) {
wp_die( 0 );
}
$menu_items = array();
foreach ( (array) $item_ids as $menu_item_id ) {
$menu_obj = get_post( $menu_item_id );
if ( ! empty( $menu_obj->ID ) ) {
$menu_obj = wp_setup_nav_menu_item( $menu_obj );
$menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
$menu_items[] = $menu_obj;
}
}
/** This filter is documented in wp-admin/includes/nav-menu.php */
$walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $_POST['menu'] );
if ( ! class_exists( $walker_class_name ) ) {
wp_die( 0 );
}
if ( ! empty( $menu_items ) ) {
$args = array(
'after' => '',
'before' => '',
'link_after' => '',
'link_before' => '',
'walker' => new $walker_class_name,
);
echo walk_nav_menu_tree( $menu_items, 0, (object) $args );
}
wp_die();
}
/**
* Ajax handler for adding meta.
*
* @since 3.1.0
*/
function wp_ajax_add_meta() {
check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' );
$c = 0;
$pid = (int) $_POST['post_id'];
$post = get_post( $pid );
if ( isset( $_POST['metakeyselect'] ) || isset( $_POST['metakeyinput'] ) ) {
if ( ! current_user_can( 'edit_post', $pid ) ) {
wp_die( -1 );
}
if ( isset( $_POST['metakeyselect'] ) && '#NONE#' == $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) {
wp_die( 1 );
}
// If the post is an autodraft, save the post as a draft and then attempt to save the meta.
if ( $post->post_status == 'auto-draft' ) {
$post_data = array();
$post_data['action'] = 'draft'; // Warning fix
$post_data['post_ID'] = $pid;
$post_data['post_type'] = $post->post_type;
$post_data['post_status'] = 'draft';
$now = current_time( 'timestamp', 1 );
/* translators: 1: Post creation date, 2: Post creation time */
$post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), date( __( 'F j, Y' ), $now ), date( __( 'g:i a' ), $now ) );
$pid = edit_post( $post_data );
if ( $pid ) {
if ( is_wp_error( $pid ) ) {
$x = new WP_Ajax_Response(
array(
'what' => 'meta',
'data' => $pid,
)
);
$x->send();
}
if ( ! $mid = add_meta( $pid ) ) {
wp_die( __( 'Please provide a custom field value.' ) );
}
} else {
wp_die( 0 );
}
} elseif ( ! $mid = add_meta( $pid ) ) {
wp_die( __( 'Please provide a custom field value.' ) );
}
$meta = get_metadata_by_mid( 'post', $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 { // Update?
$mid = (int) key( $_POST['meta'] );
$key = wp_unslash( $_POST['meta'][ $mid ]['key'] );
$value = wp_unslash( $_POST['meta'][ $mid ]['value'] );
if ( '' == trim( $key ) ) {
wp_die( __( 'Please provide a custom field name.' ) );
}
if ( '' == trim( $value ) ) {
wp_die( __( 'Please provide a custom field value.' ) );
}
if ( ! $meta = get_metadata_by_mid( 'post', $mid ) ) {
wp_die( 0 ); // if meta doesn't exist
}
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 ) ) {
wp_die( -1 );
}
if ( $meta->meta_value != $value || $meta->meta_key != $key ) {
if ( ! $u = update_metadata_by_mid( 'post', $mid, $value, $key ) ) {
wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
}
}
$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();
}
/**
* Ajax handler for adding a user.
*
* @since 3.1.0
*
* @param string $action Action to perform.
*/
function wp_ajax_add_user( $action ) {
if ( empty( $action ) ) {
$action = 'add-user';
}
check_ajax_referer( $action );
if ( ! current_user_can( 'create_users' ) ) {
wp_die( -1 );
}
if ( ! $user_id = edit_user() ) {
wp_die( 0 );
} elseif ( is_wp_error( $user_id ) ) {
$x = new WP_Ajax_Response(
array(
'what' => 'user',
'id' => $user_id,
)
);
$x->send();
}
$user_object = get_userdata( $user_id );
$wp_list_table = _get_list_table( 'WP_Users_List_Table' );
$role = current( $user_object->roles );
$x = new WP_Ajax_Response(
array(
'what' => 'user',
'id' => $user_id,
'data' => $wp_list_table->single_row( $user_object, '', $role ),
'supplemental' => array(
'show-link' => sprintf(
/* translators: %s: the new user */
__( 'User %s added' ),
'<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>'
),
'role' => $role,
),
)
);
$x->send();
}
/**
* Ajax handler for closed post boxes.
*
* @since 3.1.0
*/
function wp_ajax_closed_postboxes() {
check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' );
$closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed'] ) : array();
$closed = array_filter( $closed );
$hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
$hidden = array_filter( $hidden );
$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
if ( $page != sanitize_key( $page ) ) {
wp_die( 0 );
}
if ( ! $user = wp_get_current_user() ) {
wp_die( -1 );
}
if ( is_array( $closed ) ) {
update_user_option( $user->ID, "closedpostboxes_$page", $closed, true );
}
if ( is_array( $hidden ) ) {
$hidden = array_diff( $hidden, array( 'submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu' ) ); // postboxes that are always shown
update_user_option( $user->ID, "metaboxhidden_$page", $hidden, true );
}
wp_die( 1 );
}
/**
* Ajax handler for hidden columns.
*
* @since 3.1.0
*/
function wp_ajax_hidden_columns() {
check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
if ( $page != sanitize_key( $page ) ) {
wp_die( 0 );
}
if ( ! $user = wp_get_current_user() ) {
wp_die( -1 );
}
$hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
update_user_option( $user->ID, "manage{$page}columnshidden", $hidden, true );
wp_die( 1 );
}
/**
* Ajax handler for updating whether to display the welcome panel.
*
* @since 3.1.0
*/
function wp_ajax_update_welcome_panel() {
check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' );
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 );
wp_die( 1 );
}
/**
* Ajax handler for retrieving menu meta boxes.
*
* @since 3.1.0
*/
function wp_ajax_menu_get_metabox() {
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
$type = 'posttype';
$callback = 'wp_nav_menu_item_post_type_meta_box';
$items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
$type = 'taxonomy';
$callback = 'wp_nav_menu_item_taxonomy_meta_box';
$items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
}
if ( ! empty( $_POST['item-object'] ) && isset( $items[ $_POST['item-object'] ] ) ) {
$menus_meta_box_object = $items[ $_POST['item-object'] ];
/** This filter is documented in wp-admin/includes/nav-menu.php */
$item = apply_filters( 'nav_menu_meta_box_object', $menus_meta_box_object );
ob_start();
call_user_func_array(
$callback,
array(
null,
array(
'id' => 'add-' . $item->name,
'title' => $item->labels->name,
'callback' => $callback,
'args' => $item,
),
)
);
$markup = ob_get_clean();
echo wp_json_encode(
array(
'replace-id' => $type . '-' . $item->name,
'markup' => $markup,
)
);
}
wp_die();
}
/**
* Ajax handler for internal linking.
*
* @since 3.1.0
*/
function wp_ajax_wp_link_ajax() {
check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' );
$args = array();
if ( isset( $_POST['search'] ) ) {
$args['s'] = wp_unslash( $_POST['search'] );
}
if ( isset( $_POST['term'] ) ) {
$args['s'] = wp_unslash( $_POST['term'] );
}
$args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
if ( ! class_exists( '_WP_Editors', false ) ) {
require( ABSPATH . WPINC . '/class-wp-editor.php' );
}
$results = _WP_Editors::wp_link_query( $args );
if ( ! isset( $results ) ) {
wp_die( 0 );
}
echo wp_json_encode( $results );
echo "\n";
wp_die();
}
/**
* Ajax handler for menu locations save.
*
* @since 3.1.0
*/
function wp_ajax_menu_locations_save() {
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
if ( ! isset( $_POST['menu-locations'] ) ) {
wp_die( 0 );
}
set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
wp_die( 1 );
}
/**
* Ajax handler for saving the meta box order.
*
* @since 3.1.0
*/
function wp_ajax_meta_box_order() {
check_ajax_referer( 'meta-box-order' );
$order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
$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'] : '';
if ( $page != sanitize_key( $page ) ) {
wp_die( 0 );
}
if ( ! $user = wp_get_current_user() ) {
wp_die( -1 );
}
if ( $order ) {
update_user_option( $user->ID, "meta-box-order_$page", $order, true );
}
if ( $page_columns ) {
update_user_option( $user->ID, "screen_layout_$page", $page_columns, true );
}
wp_die( 1 );
}
/**
* Ajax handler for menu quick searching.
*
* @since 3.1.0
*/
function wp_ajax_menu_quick_search() {
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
_wp_ajax_menu_quick_search( $_POST );
wp_die();
}
/**
* Ajax handler to retrieve a permalink.
*
* @since 3.1.0
*/
function wp_ajax_get_permalink() {
check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
$post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0;
wp_die( get_preview_post_link( $post_id ) );
}
/**
* Ajax handler to retrieve a sample permalink.
*
* @since 3.1.0
*/
function wp_ajax_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'] : null;
wp_die( get_sample_permalink_html( $post_id, $title, $slug ) );
}
/**
* Ajax handler for Quick Edit saving a post from a list table.
*
* @since 3.1.0
*
* @global string $mode List table view mode.
*/
function wp_ajax_inline_save() {
global $mode;
check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
if ( ! isset( $_POST['post_ID'] ) || ! ( $post_ID = (int) $_POST['post_ID'] ) ) {
wp_die();
}
if ( 'page' == $_POST['post_type'] ) {
if ( ! current_user_can( 'edit_page', $post_ID ) ) {
wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
}
} else {
if ( ! current_user_can( 'edit_post', $post_ID ) ) {
wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
}
}
if ( $last = wp_check_post_lock( $post_ID ) ) {
$last_user = get_userdata( $last );
$last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
/* translators: %s: user who is currently editing the post */
$msg_template = __( 'Saving is disabled: %s is currently editing this post.' );
if ( $_POST['post_type'] == 'page' ) {
/* translators: %s: user who is currently editing the page */
$msg_template = __( 'Saving is disabled: %s is currently editing this page.' );
}
printf( $msg_template, esc_html( $last_user_name ) );
wp_die();
}
$data = &$_POST;
$post = get_post( $post_ID, ARRAY_A );
// Since it's coming from the database.
$post = wp_slash( $post );
$data['content'] = $post['post_content'];
$data['excerpt'] = $post['post_excerpt'];
// Rename.
$data['user_ID'] = get_current_user_id();
if ( isset( $data['post_parent'] ) ) {
$data['parent_id'] = $data['post_parent'];
}
// Status.
if ( isset( $data['keep_private'] ) && 'private' == $data['keep_private'] ) {
$data['visibility'] = 'private';
$data['post_status'] = 'private';
} else {
$data['post_status'] = $data['_status'];
}
if ( empty( $data['comment_status'] ) ) {
$data['comment_status'] = 'closed';
}
if ( empty( $data['ping_status'] ) ) {
$data['ping_status'] = 'closed';
}
// Exclude terms from taxonomies that are not supposed to appear in Quick Edit.
if ( ! empty( $data['tax_input'] ) ) {
foreach ( $data['tax_input'] as $taxonomy => $terms ) {
$tax_object = get_taxonomy( $taxonomy );
/** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
if ( ! apply_filters( 'quick_edit_show_taxonomy', $tax_object->show_in_quick_edit, $taxonomy, $post['post_type'] ) ) {
unset( $data['tax_input'][ $taxonomy ] );
}
}
}
// Hack: wp_unique_post_slug() doesn't work for drafts, so we will fake that our post is published.
if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ) ) ) {
$post['post_status'] = 'publish';
$data['post_name'] = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] );
}
// Update the post.
edit_post();
$wp_list_table = _get_list_table( 'WP_Posts_List_Table', array( 'screen' => $_POST['screen'] ) );
$mode = $_POST['post_view'] === 'excerpt' ? 'excerpt' : 'list';
$level = 0;
if ( is_post_type_hierarchical( $wp_list_table->screen->post_type ) ) {
$request_post = array( get_post( $_POST['post_ID'] ) );
$parent = $request_post[0]->post_parent;
while ( $parent > 0 ) {
$parent_post = get_post( $parent );
$parent = $parent_post->post_parent;
$level++;
}
}
$wp_list_table->display_rows( array( get_post( $_POST['post_ID'] ) ), $level );
wp_die();
}
/**
* Ajax handler for quick edit saving for a term.
*
* @since 3.1.0
*/
function wp_ajax_inline_save_tax() {
check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
$taxonomy = sanitize_key( $_POST['taxonomy'] );
$tax = get_taxonomy( $taxonomy );
if ( ! $tax ) {
wp_die( 0 );
}
if ( ! isset( $_POST['tax_ID'] ) || ! ( $id = (int) $_POST['tax_ID'] ) ) {
wp_die( -1 );
}
if ( ! current_user_can( 'edit_term', $id ) ) {
wp_die( -1 );
}
$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => 'edit-' . $taxonomy ) );
$tag = get_term( $id, $taxonomy );
$_POST['description'] = $tag->description;
$updated = wp_update_term( $id, $taxonomy, $_POST );
if ( $updated && ! is_wp_error( $updated ) ) {
$tag = get_term( $updated['term_id'], $taxonomy );
if ( ! $tag || is_wp_error( $tag ) ) {
if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
wp_die( $tag->get_error_message() );
}
wp_die( __( 'Item not updated.' ) );
}
} else {
if ( is_wp_error( $updated ) && $updated->get_error_message() ) {
wp_die( $updated->get_error_message() );
}
wp_die( __( 'Item not updated.' ) );
}
$level = 0;
$parent = $tag->parent;
while ( $parent > 0 ) {
$parent_tag = get_term( $parent, $taxonomy );
$parent = $parent_tag->parent;
$level++;
}
$wp_list_table->single_row( $tag, $level );
wp_die();
}
/**
* Ajax handler for querying posts for the Find Posts modal.
*
* @see window.findPosts
*
* @since 3.1.0
*/
function wp_ajax_find_posts() {
check_ajax_referer( 'find-posts' );
$post_types = get_post_types( array( 'public' => true ), 'objects' );
unset( $post_types['attachment'] );
$s = wp_unslash( $_POST['ps'] );
$args = array(
'post_type' => array_keys( $post_types ),
'post_status' => 'any',
'posts_per_page' => 50,
);
if ( '' !== $s ) {
$args['s'] = $s;
}
$posts = get_posts( $args );
if ( ! $posts ) {
wp_send_json_error( __( 'No items found.' ) );
}
$html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>' . __( 'Title' ) . '</th><th class="no-break">' . __( 'Type' ) . '</th><th class="no-break">' . __( 'Date' ) . '</th><th class="no-break">' . __( 'Status' ) . '</th></tr></thead><tbody>';
$alt = '';
foreach ( $posts as $post ) {
$title = trim( $post->post_title ) ? $post->post_title : __( '(no title)' );
$alt = ( 'alternate' == $alt ) ? '' : 'alternate';
switch ( $post->post_status ) {
case 'publish':
case 'private':
$stat = __( 'Published' );
break;
case 'future':
$stat = __( 'Scheduled' );
break;
case 'pending':
$stat = __( 'Pending Review' );
break;
case 'draft':
$stat = __( 'Draft' );
break;
}
if ( '0000-00-00 00:00:00' == $post->post_date ) {
$time = '';
} else {
/* translators: date format in table columns, see https://secure.php.net/date */
$time = mysql2date( __( 'Y/m/d' ), $post->post_date );
}
$html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><td class="found-radio"><input type="radio" id="found-' . $post->ID . '" name="found_post_id" value="' . esc_attr( $post->ID ) . '"></td>';
$html .= '<td><label for="found-' . $post->ID . '">' . esc_html( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[ $post->post_type ]->labels->singular_name ) . '</td><td class="no-break">' . esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ) . ' </td></tr>' . "\n\n";
}
$html .= '</tbody></table>';
wp_send_json_success( $html );
}
/**
* Ajax handler for saving the widgets order.
*
* @since 3.1.0
*/
function wp_ajax_widgets_order() {
check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
unset( $_POST['savewidgets'], $_POST['action'] );
// Save widgets order for all sidebars.
if ( is_array( $_POST['sidebars'] ) ) {
$sidebars = array();
foreach ( wp_unslash( $_POST['sidebars'] ) as $key => $val ) {
$sb = array();
if ( ! empty( $val ) ) {
$val = explode( ',', $val );
foreach ( $val as $k => $v ) {
if ( strpos( $v, 'widget-' ) === false ) {
continue;
}
$sb[ $k ] = substr( $v, strpos( $v, '_' ) + 1 );
}
}
$sidebars[ $key ] = $sb;
}
wp_set_sidebars_widgets( $sidebars );
wp_die( 1 );
}
wp_die( -1 );
}
/**
* Ajax handler for saving a widget.
*
* @since 3.1.0
*
* @global array $wp_registered_widgets
* @global array $wp_registered_widget_controls
* @global array $wp_registered_widget_updates
*/
function wp_ajax_save_widget() {
global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['id_base'] ) ) {
wp_die( -1 );
}
unset( $_POST['savewidgets'], $_POST['action'] );
/**
* Fires early when editing the widgets displayed in sidebars.
*
* @since 2.8.0
*/
do_action( 'load-widgets.php' );
/**
* Fires early when editing the widgets displayed in sidebars.
*
* @since 2.8.0
*/
do_action( 'widgets.php' );
/** This action is documented in wp-admin/widgets.php */
do_action( 'sidebar_admin_setup' );
$id_base = wp_unslash( $_POST['id_base'] );
$widget_id = wp_unslash( $_POST['widget-id'] );
$sidebar_id = $_POST['sidebar'];
$multi_number = ! empty( $_POST['multi_number'] ) ? (int) $_POST['multi_number'] : 0;
$settings = isset( $_POST[ 'widget-' . $id_base ] ) && is_array( $_POST[ 'widget-' . $id_base ] ) ? $_POST[ 'widget-' . $id_base ] : false;
$error = '<p>' . __( 'An error has occurred. Please reload the page and try again.' ) . '</p>';
$sidebars = wp_get_sidebars_widgets();
$sidebar = isset( $sidebars[ $sidebar_id ] ) ? $sidebars[ $sidebar_id ] : array();
// Delete.
if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
wp_die( $error );
}
$sidebar = array_diff( $sidebar, array( $widget_id ) );
$_POST = array(
'sidebar' => $sidebar_id,
'widget-' . $id_base => array(),
'the-widget-id' => $widget_id,
'delete_widget' => '1',
);
/** This action is documented in wp-admin/widgets.php */
do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
} elseif ( $settings && preg_match( '/__i__|%i%/', key( $settings ) ) ) {
if ( ! $multi_number ) {
wp_die( $error );
}
$_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) );
$widget_id = $id_base . '-' . $multi_number;
$sidebar[] = $widget_id;
}
$_POST['widget-id'] = $sidebar;
foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
if ( $name == $id_base ) {
if ( ! is_callable( $control['callback'] ) ) {
continue;
}
ob_start();
call_user_func_array( $control['callback'], $control['params'] );
ob_end_clean();
break;
}
}
if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
$sidebars[ $sidebar_id ] = $sidebar;
wp_set_sidebars_widgets( $sidebars );
echo "deleted:$widget_id";
wp_die();
}
if ( ! empty( $_POST['add_new'] ) ) {
wp_die();
}
if ( $form = $wp_registered_widget_controls[ $widget_id ] ) {
call_user_func_array( $form['callback'], $form['params'] );
}
wp_die();
}
/**
* Ajax handler for saving a widget.
*
* @since 3.9.0
*
* @global WP_Customize_Manager $wp_customize
*/
function wp_ajax_update_widget() {
global $wp_customize;
$wp_customize->widgets->wp_ajax_update_widget();
}
/**
* Ajax handler for removing inactive widgets.
*
* @since 4.4.0
*/
function wp_ajax_delete_inactive_widgets() {
check_ajax_referer( 'remove-inactive-widgets', 'removeinactivewidgets' );
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die( -1 );
}
unset( $_POST['removeinactivewidgets'], $_POST['action'] );
/** This action is documented in wp-admin/includes/ajax-actions.php */
do_action( 'load-widgets.php' );
/** This action is documented in wp-admin/includes/ajax-actions.php */
do_action( 'widgets.php' );
/** This action is documented in wp-admin/widgets.php */
do_action( 'sidebar_admin_setup' );
$sidebars_widgets = wp_get_sidebars_widgets();
foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) {
$pieces = explode( '-', $widget_id );
$multi_number = array_pop( $pieces );
$id_base = implode( '-', $pieces );
$widget = get_option( 'widget_' . $id_base );
unset( $widget[ $multi_number ] );
update_option( 'widget_' . $id_base, $widget );
unset( $sidebars_widgets['wp_inactive_widgets'][ $key ] );
}
wp_set_sidebars_widgets( $sidebars_widgets );
wp_die();
}
/**
* Ajax handler for uploading attachments
*
* @since 3.3.0
*/
function wp_ajax_upload_attachment() {
check_ajax_referer( 'media-form' );
/*
* This function does not use wp_send_json_success() / wp_send_json_error()
* as the html4 Plupload handler requires a text/html content-type for older IE.
* See https://core.trac.wordpress.org/ticket/31037
*/
if ( ! current_user_can( 'upload_files' ) ) {
echo wp_json_encode(
array(
'success' => false,
'data' => array(
'message' => __( 'Sorry, you are not allowed to upload files.' ),
'filename' => $_FILES['async-upload']['name'],
),
)
);
wp_die();
}
if ( isset( $_REQUEST['post_id'] ) ) {
$post_id = $_REQUEST['post_id'];
if ( ! current_user_can( 'edit_post', $post_id ) ) {
echo wp_json_encode(
array(
'success' => false,
'data' => array(
'message' => __( 'Sorry, you are not allowed to attach files to this post.' ),
'filename' => $_FILES['async-upload']['name'],
),
)
);
wp_die();
}
} else {
$post_id = null;
}
$post_data = isset( $_REQUEST['post_data'] ) ? $_REQUEST['post_data'] : array();
// If the context is custom header or background, make sure the uploaded file is an image.
if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) {
$wp_filetype = wp_check_filetype_and_ext( $_FILES['async-upload']['tmp_name'], $_FILES['async-upload']['name'] );
if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
echo wp_json_encode(
array(
'success' => false,
'data' => array(
'message' => __( 'The uploaded file is not a valid image. Please try again.' ),
'filename' => $_FILES['async-upload']['name'],
),
)
);
wp_die();
}
}
$attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data );
if ( is_wp_error( $attachment_id ) ) {
echo wp_json_encode(
array(
'success' => false,
'data' => array(
'message' => $attachment_id->get_error_message(),
'filename' => $_FILES['async-upload']['name'],
),
)
);
wp_die();
}
if ( isset( $post_data['context'] ) && isset( $post_data['theme'] ) ) {
if ( 'custom-background' === $post_data['context'] ) {
update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', $post_data['theme'] );
}
if ( 'custom-header' === $post_data['context'] ) {
update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', $post_data['theme'] );
}
}
if ( ! $attachment = wp_prepare_attachment_for_js( $attachment_id ) ) {
wp_die();
}
echo wp_json_encode(
array(
'success' => true,
'data' => $attachment,
)
);
wp_die();
}
/**
* Ajax handler for image editing.
*
* @since 3.1.0
*/
function wp_ajax_image_editor() {
$attachment_id = intval( $_POST['postid'] );
if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) {
wp_die( -1 );
}
check_ajax_referer( "image_editor-$attachment_id" );
include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
$msg = false;
switch ( $_POST['do'] ) {
case 'save':
$msg = wp_save_image( $attachment_id );
$msg = wp_json_encode( $msg );
wp_die( $msg );
break;
case 'scale':
$msg = wp_save_image( $attachment_id );
break;
case 'restore':
$msg = wp_restore_image( $attachment_id );
break;
}
wp_image_editor( $attachment_id, $msg );
wp_die();
}
/**
* Ajax handler for setting the featured image.
*
* @since 3.1.0
*/
function wp_ajax_set_post_thumbnail() {
$json = ! empty( $_REQUEST['json'] ); // New-style request
$post_ID = intval( $_POST['post_id'] );
if ( ! current_user_can( 'edit_post', $post_ID ) ) {
wp_die( -1 );
}
$thumbnail_id = intval( $_POST['thumbnail_id'] );
if ( $json ) {
check_ajax_referer( "update-post_$post_ID" );
} else {
check_ajax_referer( "set_post_thumbnail-$post_ID" );
}
if ( $thumbnail_id == '-1' ) {
if ( delete_post_thumbnail( $post_ID ) ) {
$return = _wp_post_thumbnail_html( null, $post_ID );
$json ? wp_send_json_success( $return ) : wp_die( $return );
} else {
wp_die( 0 );
}
}
if ( set_post_thumbnail( $post_ID, $thumbnail_id ) ) {
$return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID );
$json ? wp_send_json_success( $return ) : wp_die( $return );
}
wp_die( 0 );
}
/**
* Ajax handler for retrieving HTML for the featured image.
*
* @since 4.6.0
*/
function wp_ajax_get_post_thumbnail_html() {
$post_ID = intval( $_POST['post_id'] );
check_ajax_referer( "update-post_$post_ID" );
if ( ! current_user_can( 'edit_post', $post_ID ) ) {
wp_die( -1 );
}
$thumbnail_id = intval( $_POST['thumbnail_id'] );
// For backward compatibility, -1 refers to no featured image.
if ( -1 === $thumbnail_id ) {
$thumbnail_id = null;
}
$return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID );
wp_send_json_success( $return );
}
/**
* Ajax handler for setting the featured image for an attachment.
*
* @since 4.0.0
*
* @see set_post_thumbnail()
*/
function wp_ajax_set_attachment_thumbnail() {
if ( empty( $_POST['urls'] ) || ! is_array( $_POST['urls'] ) ) {
wp_send_json_error();
}
$thumbnail_id = (int) $_POST['thumbnail_id'];
if ( empty( $thumbnail_id ) ) {
wp_send_json_error();
}
$post_ids = array();
// For each URL, try to find its corresponding post ID.
foreach ( $_POST['urls'] as $url ) {
$post_id = attachment_url_to_postid( $url );
if ( ! empty( $post_id ) ) {
$post_ids[] = $post_id;
}
}
if ( empty( $post_ids ) ) {
wp_send_json_error();
}
$success = 0;
// For each found attachment, set its thumbnail.
foreach ( $post_ids as $post_id ) {
if ( ! current_user_can( 'edit_post', $post_id ) ) {
continue;
}
if ( set_post_thumbnail( $post_id, $thumbnail_id ) ) {
$success++;
}
}
if ( 0 === $success ) {
wp_send_json_error();
} else {
wp_send_json_success();
}
wp_send_json_error();
}
/**
* Ajax handler for date formatting.
*
* @since 3.1.0
*/
function wp_ajax_date_format() {
wp_die( date_i18n( sanitize_option( 'date_format', wp_unslash( $_POST['date'] ) ) ) );
}
/**
* Ajax handler for time formatting.
*
* @since 3.1.0
*/
function wp_ajax_time_format() {
wp_die( date_i18n( sanitize_option( 'time_format', wp_unslash( $_POST['date'] ) ) ) );
}
/**
* Ajax handler for saving posts from the fullscreen editor.
*
* @since 3.1.0
* @deprecated 4.3.0
*/
function wp_ajax_wp_fullscreen_save_post() {
$post_id = isset( $_POST['post_ID'] ) ? (int) $_POST['post_ID'] : 0;
$post = null;
if ( $post_id ) {
$post = get_post( $post_id );
}
check_ajax_referer( 'update-post_' . $post_id, '_wpnonce' );
$post_id = edit_post();
if ( is_wp_error( $post_id ) ) {
wp_send_json_error();
}
if ( $post ) {
$last_date = mysql2date( __( 'F j, Y' ), $post->post_modified );
$last_time = mysql2date( __( 'g:i a' ), $post->post_modified );
} else {
$last_date = date_i18n( __( 'F j, Y' ) );
$last_time = date_i18n( __( 'g:i a' ) );
}
if ( $last_id = get_post_meta( $post_id, '_edit_last', true ) ) {
$last_user = get_userdata( $last_id );
/* translators: 1: display_name of last user, 2: date of last edit, 3: time of last edit. */
$last_edited = sprintf( __( 'Last edited by %1$s on %2$s at %3$s' ), esc_html( $last_user->display_name ), $last_date, $last_time );
} else {
/* translators: 1: date of last edit, 2: time of last edit. */
$last_edited = sprintf( __( 'Last edited on %1$s at %2$s' ), $last_date, $last_time );
}
wp_send_json_success( array( 'last_edited' => $last_edited ) );
}
/**
* Ajax handler for removing a post lock.
*
* @since 3.1.0
*/
function wp_ajax_wp_remove_post_lock() {
if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) ) {
wp_die( 0 );
}
$post_id = (int) $_POST['post_ID'];
if ( ! $post = get_post( $post_id ) ) {
wp_die( 0 );
}
check_ajax_referer( 'update-post_' . $post_id );
if ( ! current_user_can( 'edit_post', $post_id ) ) {
wp_die( -1 );
}
$active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) );
if ( $active_lock[1] != get_current_user_id() ) {
wp_die( 0 );
}
/**
* Filters the post lock window duration.
*
* @since 3.3.0
*
* @param int $interval The interval in seconds the post lock duration
* should last, plus 5 seconds. Default 150.
*/
$new_lock = ( time() - apply_filters( 'wp_check_post_lock_window', 150 ) + 5 ) . ':' . $active_lock[1];
update_post_meta( $post_id, '_edit_lock', $new_lock, implode( ':', $active_lock ) );
wp_die( 1 );
}
/**
* Ajax handler for dismissing a WordPress pointer.
*
* @since 3.1.0
*/
function wp_ajax_dismiss_wp_pointer() {
$pointer = $_POST['pointer'];
if ( $pointer != sanitize_key( $pointer ) ) {
wp_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 ) ) {
wp_die( 0 );
}
$dismissed[] = $pointer;
$dismissed = implode( ',', $dismissed );
update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed );
wp_die( 1 );
}
/**
* Ajax handler for getting an attachment.
*
* @since 3.5.0
*/
function wp_ajax_get_attachment() {
if ( ! isset( $_REQUEST['id'] ) ) {
wp_send_json_error();
}
if ( ! $id = absint( $_REQUEST['id'] ) ) {
wp_send_json_error();
}
if ( ! $post = get_post( $id ) ) {
wp_send_json_error();
}
if ( 'attachment' != $post->post_type ) {
wp_send_json_error();
}
if ( ! current_user_can( 'upload_files' ) ) {
wp_send_json_error();
}
if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
wp_send_json_error();
}
wp_send_json_success( $attachment );
}
/**
* Ajax handler for querying attachments.
*
* @since 3.5.0
*/
function wp_ajax_query_attachments() {
if ( ! current_user_can( 'upload_files' ) ) {
wp_send_json_error();
}
$query = isset( $_REQUEST['query'] ) ? (array) $_REQUEST['query'] : array();
$keys = array(
's',
'order',
'orderby',
'posts_per_page',
'paged',
'post_mime_type',
'post_parent',
'author',
'post__in',
'post__not_in',
'year',
'monthnum',
);
foreach ( get_taxonomies_for_attachments( 'objects' ) as $t ) {
if ( $t->query_var && isset( $query[ $t->query_var ] ) ) {
$keys[] = $t->query_var;
}
}
$query = array_intersect_key( $query, array_flip( $keys ) );
$query['post_type'] = 'attachment';
if ( MEDIA_TRASH
&& ! empty( $_REQUEST['query']['post_status'] )
&& 'trash' === $_REQUEST['query']['post_status'] ) {
$query['post_status'] = 'trash';
} else {
$query['post_status'] = 'inherit';
}
if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) ) {
$query['post_status'] .= ',private';
}
// Filter query clauses to include filenames.
if ( isset( $query['s'] ) ) {
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
}
/**
* Filters the arguments passed to WP_Query during an Ajax
* call for querying attachments.
*
* @since 3.7.0
*
* @see WP_Query::parse_query()
*
* @param array $query An array of query variables.
*/
$query = apply_filters( 'ajax_query_attachments_args', $query );
$query = new WP_Query( $query );
$posts = array_map( 'wp_prepare_attachment_for_js', $query->posts );
$posts = array_filter( $posts );
wp_send_json_success( $posts );
}
/**
* Ajax handler for updating attachment attributes.
*
* @since 3.5.0
*/
function wp_ajax_save_attachment() {
if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) ) {
wp_send_json_error();
}
if ( ! $id = absint( $_REQUEST['id'] ) ) {
wp_send_json_error();
}
check_ajax_referer( 'update-post_' . $id, 'nonce' );
if ( ! current_user_can( 'edit_post', $id ) ) {
wp_send_json_error();
}
$changes = $_REQUEST['changes'];
$post = get_post( $id, ARRAY_A );
if ( 'attachment' != $post['post_type'] ) {
wp_send_json_error();
}
if ( isset( $changes['parent'] ) ) {
$post['post_parent'] = $changes['parent'];
}
if ( isset( $changes['title'] ) ) {
$post['post_title'] = $changes['title'];
}
if ( isset( $changes['caption'] ) ) {
$post['post_excerpt'] = $changes['caption'];
}
if ( isset( $changes['description'] ) ) {
$post['post_content'] = $changes['description'];
}
if ( MEDIA_TRASH && isset( $changes['status'] ) ) {
$post['post_status'] = $changes['status'];
}
if ( isset( $changes['alt'] ) ) {
$alt = wp_unslash( $changes['alt'] );
if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) {
$alt = wp_strip_all_tags( $alt, true );
update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) );
}
}
if ( wp_attachment_is( 'audio', $post['ID'] ) ) {
$changed = false;
$id3data = wp_get_attachment_metadata( $post['ID'] );
if ( ! is_array( $id3data ) ) {
$changed = true;
$id3data = array();
}
foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) {
if ( isset( $changes[ $key ] ) ) {
$changed = true;
$id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) );
}
}
if ( $changed ) {
wp_update_attachment_metadata( $id, $id3data );
}
}
if ( MEDIA_TRASH && isset( $changes['status'] ) && 'trash' === $changes['status'] ) {
wp_delete_post( $id );
} else {
wp_update_post( $post );
}
wp_send_json_success();
}
/**
* Ajax handler for saving backward compatible attachment attributes.
*
* @since 3.5.0
*/
function wp_ajax_save_attachment_compat() {
if ( ! isset( $_REQUEST['id'] ) ) {
wp_send_json_error();
}
if ( ! $id = absint( $_REQUEST['id'] ) ) {
wp_send_json_error();
}
if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) ) {
wp_send_json_error();
}
$attachment_data = $_REQUEST['attachments'][ $id ];
check_ajax_referer( 'update-post_' . $id, 'nonce' );
if ( ! current_user_can( 'edit_post', $id ) ) {
wp_send_json_error();
}
$post = get_post( $id, ARRAY_A );
if ( 'attachment' != $post['post_type'] ) {
wp_send_json_error();
}
/** This filter is documented in wp-admin/includes/media.php */
$post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data );
if ( isset( $post['errors'] ) ) {
$errors = $post['errors']; // @todo return me and display me!
unset( $post['errors'] );
}
wp_update_post( $post );
foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
if ( isset( $attachment_data[ $taxonomy ] ) ) {
wp_set_object_terms( $id, array_map( 'trim', preg_split( '/,+/', $attachment_data[ $taxonomy ] ) ), $taxonomy, false );
}
}
if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
wp_send_json_error();
}
wp_send_json_success( $attachment );
}
/**
* Ajax handler for saving the attachment order.
*
* @since 3.5.0
*/
function wp_ajax_save_attachment_order() {
if ( ! isset( $_REQUEST['post_id'] ) ) {
wp_send_json_error();
}
if ( ! $post_id = absint( $_REQUEST['post_id'] ) ) {
wp_send_json_error();
}
if ( empty( $_REQUEST['attachments