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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
/**
* Convenience function to JSON encode and echo results and then die.
*
* @param array $results Results array for encoding.
*
* @return void
*/
function wpseo_ajax_json_echo_die( $results ) {
// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.
echo WPSEO_Utils::format_json_encode( $results );
exit();
}
/**
* Function used from AJAX calls, takes it variables from $_POST, dies on exit.
*
* @return void
*/
function wpseo_set_option() {
if ( ! current_user_can( 'manage_options' ) ) {
exit( '-1' );
}
check_ajax_referer( 'wpseo-setoption' );
if ( ! isset( $_POST['option'] ) || ! is_string( $_POST['option'] ) ) {
exit( '-1' );
}
$option = sanitize_text_field( wp_unslash( $_POST['option'] ) );
if ( $option !== 'page_comments' ) {
exit( '-1' );
}
update_option( $option, 0 );
exit( '1' );
}
add_action( 'wp_ajax_wpseo_set_option', 'wpseo_set_option' );
/**
* Since 3.2 Notifications are dismissed in the Notification Center.
*/
add_action( 'wp_ajax_yoast_dismiss_notification', [ 'Yoast_Notification_Center', 'ajax_dismiss_notification' ] );
/**
* Function used to remove the admin notices for several purposes, dies on exit.
*
* @return void
*/
function wpseo_set_ignore() {
if ( ! current_user_can( 'manage_options' ) ) {
exit( '-1' );
}
check_ajax_referer( 'wpseo-ignore' );
if ( ! isset( $_POST['option'] ) || ! is_string( $_POST['option'] ) ) {
exit( '-1' );
}
$ignore_key = sanitize_text_field( wp_unslash( $_POST['option'] ) );
WPSEO_Options::set( 'ignore_' . $ignore_key, true );
exit( '1' );
}
add_action( 'wp_ajax_wpseo_set_ignore', 'wpseo_set_ignore' );
/**
* Save an individual SEO title from the Bulk Editor.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @return void
*/
function wpseo_save_title() {
_deprecated_function( __FUNCTION__, 'Yoast SEO 28.1' );
wpseo_save_what( 'title' );
}
add_action( 'wp_ajax_wpseo_save_title', 'wpseo_save_title' );
/**
* Save an individual meta description from the Bulk Editor.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @return void
*/
function wpseo_save_description() {
_deprecated_function( __FUNCTION__, 'Yoast SEO 28.1' );
wpseo_save_what( 'metadesc' );
}
add_action( 'wp_ajax_wpseo_save_metadesc', 'wpseo_save_description' );
/**
* Save titles & descriptions.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @param string $what Type of item to save (title, description).
*
* @return void
*/
function wpseo_save_what( $what ) {
check_ajax_referer( 'wpseo-bulk-editor' );
if ( ! isset( $_POST['new_value'], $_POST['wpseo_post_id'], $_POST['existing_value'] ) || ! is_string( $_POST['new_value'] ) || ! is_string( $_POST['existing_value'] ) ) {
exit( '-1' );
}
$new = sanitize_text_field( wp_unslash( $_POST['new_value'] ) );
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are casting the unsafe value to an integer.
$post_id = (int) wp_unslash( $_POST['wpseo_post_id'] );
$original = sanitize_text_field( wp_unslash( $_POST['existing_value'] ) );
if ( $post_id === 0 ) {
exit( '-1' );
}
$results = wpseo_upsert_new( $what, $post_id, $new, $original );
wpseo_ajax_json_echo_die( $results );
}
/**
* Helper function to update a post's meta data, returning relevant information
* about the information updated and the results or the meta update.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @param int $post_id Post ID.
* @param string $new_meta_value New meta value to record.
* @param string $orig_meta_value Original meta value.
* @param string $meta_key Meta key string.
* @param string $return_key Return key string to use in results.
*
* @return array
*/
function wpseo_upsert_meta( $post_id, $new_meta_value, $orig_meta_value, $meta_key, $return_key ) {
$post_id = (int) $post_id;
$sanitized_new_meta_value = wp_strip_all_tags( $new_meta_value );
$orig_meta_value = wp_strip_all_tags( $orig_meta_value );
$upsert_results = [
'status' => 'success',
'post_id' => $post_id,
"new_{$return_key}" => $sanitized_new_meta_value,
"original_{$return_key}" => $orig_meta_value,
];
$the_post = get_post( $post_id );
if ( empty( $the_post ) ) {
$upsert_results['status'] = 'failure';
$upsert_results['results'] = __( 'Post doesn\'t exist.', 'wordpress-seo' );
return $upsert_results;
}
$post_type_object = get_post_type_object( $the_post->post_type );
if ( ! $post_type_object ) {
$upsert_results['status'] = 'failure';
$upsert_results['results'] = sprintf(
/* translators: %s expands to post type. */
__( 'Post has an invalid Content Type: %s.', 'wordpress-seo' ),
$the_post->post_type,
);
return $upsert_results;
}
if ( ! current_user_can( $post_type_object->cap->edit_posts ) ) {
$upsert_results['status'] = 'failure';
$upsert_results['results'] = sprintf(
/* translators: %s expands to post type name. */
__( 'You can\'t edit %s.', 'wordpress-seo' ),
$post_type_object->label,
);
return $upsert_results;
}
if ( ! current_user_can( $post_type_object->cap->edit_others_posts ) && (int) $the_post->post_author !== get_current_user_id() ) {
$upsert_results['status'] = 'failure';
$upsert_results['results'] = sprintf(
/* translators: %s expands to the name of a post type (plural). */
__( 'You can\'t edit %s that aren\'t yours.', 'wordpress-seo' ),
$post_type_object->label,
);
return $upsert_results;
}
if ( $sanitized_new_meta_value === $orig_meta_value && $sanitized_new_meta_value !== $new_meta_value ) {
$upsert_results['status'] = 'failure';
$upsert_results['results'] = __( 'You have used HTML in your value which is not allowed.', 'wordpress-seo' );
return $upsert_results;
}
$res = update_post_meta( $post_id, $meta_key, $sanitized_new_meta_value );
$upsert_results['status'] = ( $res !== false ) ? 'success' : 'failure';
$upsert_results['results'] = $res;
return $upsert_results;
}
/**
* Save all titles sent from the Bulk Editor.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @return void
*/
function wpseo_save_all_titles() {
_deprecated_function( __FUNCTION__, 'Yoast SEO 28.1' );
wpseo_save_all( 'title' );
}
add_action( 'wp_ajax_wpseo_save_all_titles', 'wpseo_save_all_titles' );
/**
* Save all description sent from the Bulk Editor.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @return void
*/
function wpseo_save_all_descriptions() {
_deprecated_function( __FUNCTION__, 'Yoast SEO 28.1' );
wpseo_save_all( 'metadesc' );
}
add_action( 'wp_ajax_wpseo_save_all_descriptions', 'wpseo_save_all_descriptions' );
/**
* Utility function to save values.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @param string $what Type of item so save.
*
* @return void
*/
function wpseo_save_all( $what ) {
check_ajax_referer( 'wpseo-bulk-editor' );
$results = [];
if ( ! isset( $_POST['items'], $_POST['existingItems'] ) ) {
wpseo_ajax_json_echo_die( $results );
}
$new_values = array_map( [ 'WPSEO_Utils', 'sanitize_text_field' ], wp_unslash( (array) $_POST['items'] ) );
$original_values = array_map( [ 'WPSEO_Utils', 'sanitize_text_field' ], wp_unslash( (array) $_POST['existingItems'] ) );
foreach ( $new_values as $post_id => $new_value ) {
$original_value = $original_values[ $post_id ];
$results[] = wpseo_upsert_new( $what, $post_id, $new_value, $original_value );
}
wpseo_ajax_json_echo_die( $results );
}
/**
* Insert a new value.
*
* @deprecated 28.1
* @codeCoverageIgnore
*
* @param string $what Item type (such as title).
* @param int $post_id Post ID.
* @param string $new_value New value to record.
* @param string $original Original value.
*
* @return string
*/
function wpseo_upsert_new( $what, $post_id, $new_value, $original ) {
$meta_key = WPSEO_Meta::$meta_prefix . $what;
return wpseo_upsert_meta( $post_id, $new_value, $original, $meta_key, $what );
}
/**
* Retrieves the post ids where the keyword is used before as well as the types of those posts.
*
* @return void
*/
function ajax_get_keyword_usage_and_post_types() {
check_ajax_referer( 'wpseo-keyword-usage-and-post-types', 'nonce' );
if ( ! isset( $_POST['post_id'], $_POST['keyword'] ) || ! is_string( $_POST['keyword'] ) ) {
exit( '-1' );
}
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- We are casting to an integer.
$post_id = (int) wp_unslash( $_POST['post_id'] );
if ( $post_id === 0 || ! current_user_can( 'edit_post', $post_id ) ) {
exit( '-1' );
}
$keyword = sanitize_text_field( wp_unslash( $_POST['keyword'] ) );
$post_ids = WPSEO_Meta::keyword_usage( $keyword, $post_id );
$return_object = [
'keyword_usage' => $post_ids,
'post_types' => WPSEO_Meta::post_types_for_ids( $post_ids ),
];
wp_die(
// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.
WPSEO_Utils::format_json_encode( $return_object ),
);
}
add_action( 'wp_ajax_get_focus_keyword_usage_and_post_types', 'ajax_get_keyword_usage_and_post_types' );
/**
* Retrieves the keyword for the keyword doubles of the termpages.
*
* @return void
*/
function ajax_get_term_keyword_usage() {
check_ajax_referer( 'wpseo-keyword-usage', 'nonce' );
if ( ! isset( $_POST['post_id'], $_POST['keyword'], $_POST['taxonomy'] ) || ! is_string( $_POST['keyword'] ) || ! is_string( $_POST['taxonomy'] ) ) {
wp_die( -1 );
}
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are casting the unsafe input to an integer.
$post_id = (int) wp_unslash( $_POST['post_id'] );
if ( $post_id === 0 ) {
wp_die( -1 );
}
$keyword = sanitize_text_field( wp_unslash( $_POST['keyword'] ) );
$taxonomy_name = sanitize_text_field( wp_unslash( $_POST['taxonomy'] ) );
$taxonomy = get_taxonomy( $taxonomy_name );
if ( ! $taxonomy ) {
wp_die( 0 );
}
if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
wp_die( -1 );
}
$usage = WPSEO_Taxonomy_Meta::get_keyword_usage( $keyword, $post_id, $taxonomy_name );
// Normalize the result so it is the same as the post keyword usage AJAX request.
$usage = $usage[ $keyword ];
wp_die(
// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.
WPSEO_Utils::format_json_encode( $usage ),
);
}
add_action( 'wp_ajax_get_term_keyword_usage', 'ajax_get_term_keyword_usage' );
/**
* Registers hooks for all AJAX integrations.
*
* @return void
*/
function wpseo_register_ajax_integrations() {
$integrations = [ new Yoast_Network_Admin() ];
foreach ( $integrations as $integration ) {
$integration->register_ajax_hooks();
}
}
wpseo_register_ajax_integrations();
new WPSEO_Shortcode_Filter();
new WPSEO_Taxonomy_Columns();
/* ********************* DEPRECATED FUNCTIONS ********************* */
/**
* Retrieves the keyword for the keyword doubles.
*
* @return void
*/
function ajax_get_keyword_usage() {
_deprecated_function( __METHOD__, 'WPSEO 20.4' );
check_ajax_referer( 'wpseo-keyword-usage', 'nonce' );
if ( ! isset( $_POST['post_id'], $_POST['keyword'] ) || ! is_string( $_POST['keyword'] ) ) {
exit( '-1' );
}
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- We are casting to an integer.
$post_id = (int) wp_unslash( $_POST['post_id'] );
if ( $post_id === 0 || ! current_user_can( 'edit_post', $post_id ) ) {
exit( '-1' );
}
$keyword = sanitize_text_field( wp_unslash( $_POST['keyword'] ) );
wp_die(
// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.
WPSEO_Utils::format_json_encode( WPSEO_Meta::keyword_usage( $keyword, $post_id ) ),
);
}