Source
File: wp-includes/class-wp-customize-manager.php
public function save() {
if ( ! is_user_logged_in() ) {
wp_send_json_error( 'unauthenticated' );
}
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
$action = 'save-customize_' . $this->get_stylesheet();
if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
wp_send_json_error( 'invalid_nonce' );
}
$changeset_post_id = $this->changeset_post_id();
$is_new_changeset = empty( $changeset_post_id );
if ( $is_new_changeset ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) {
wp_send_json_error( 'cannot_create_changeset_post' );
}
} else {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
wp_send_json_error( 'cannot_edit_changeset_post' );
}
}
if ( ! empty( $_POST['customize_changeset_data'] ) ) {
$input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true );
if ( ! is_array( $input_changeset_data ) ) {
wp_send_json_error( 'invalid_customize_changeset_data' );
}
} else {
$input_changeset_data = array();
}
// Validate title.
$changeset_title = null;
if ( isset( $_POST['customize_changeset_title'] ) ) {
$changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) );
}
// Validate changeset status param.
$is_publish = null;
$changeset_status = null;
if ( isset( $_POST['customize_changeset_status'] ) ) {
$changeset_status = wp_unslash( $_POST['customize_changeset_status'] );
if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) {
wp_send_json_error( 'bad_customize_changeset_status', 400 );
}
$is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status );
if ( $is_publish && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) {
wp_send_json_error( 'changeset_publish_unauthorized', 403 );
}
}
/*
* Validate changeset date param. Date is assumed to be in local time for
* the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date
* is parsed with strtotime() so that ISO date format may be supplied
* or a string like "+10 minutes".
*/
$changeset_date_gmt = null;
if ( isset( $_POST['customize_changeset_date'] ) ) {
$changeset_date = wp_unslash( $_POST['customize_changeset_date'] );
if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) {
$mm = substr( $changeset_date, 5, 2 );
$jj = substr( $changeset_date, 8, 2 );
$aa = substr( $changeset_date, 0, 4 );
$valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date );
if ( ! $valid_date ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = get_gmt_from_date( $changeset_date );
} else {
$timestamp = strtotime( $changeset_date );
if ( ! $timestamp ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp );
}
}
$lock_user_id = null;
$autosave = ! empty( $_POST['customize_changeset_autosave'] );
if ( ! $is_new_changeset ) {
$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
}
// Force request to autosave when changeset is locked.
if ( $lock_user_id && ! $autosave ) {
$autosave = true;
$changeset_status = null;
$changeset_date_gmt = null;
}
if ( $autosave && ! defined( 'DOING_AUTOSAVE' ) ) { // Back-compat.
define( 'DOING_AUTOSAVE', true );
}
$autosaved = false;
$r = $this->save_changeset_post(
array(
'status' => $changeset_status,
'title' => $changeset_title,
'date_gmt' => $changeset_date_gmt,
'data' => $input_changeset_data,
'autosave' => $autosave,
)
);
if ( $autosave && ! is_wp_error( $r ) ) {
$autosaved = true;
}
// If the changeset was locked and an autosave request wasn't itself an error, then now explicitly return with a failure.
if ( $lock_user_id && ! is_wp_error( $r ) ) {
$r = new WP_Error(
'changeset_locked',
__( 'Changeset is being edited by other user.' ),
array(
'lock_user' => $this->get_lock_user_data( $lock_user_id ),
)
);
}
if ( is_wp_error( $r ) ) {
$response = array(
'message' => $r->get_error_message(),
'code' => $r->get_error_code(),
);
if ( is_array( $r->get_error_data() ) ) {
$response = array_merge( $response, $r->get_error_data() );
} else {
$response['data'] = $r->get_error_data();
}
} else {
$response = $r;
$changeset_post = get_post( $this->changeset_post_id() );
// Dismiss all other auto-draft changeset posts for this user (they serve like autosave revisions), as there should only be one.
if ( $is_new_changeset ) {
$this->dismiss_user_auto_draft_changesets();
}
// Note that if the changeset status was publish, then it will get set to Trash if revisions are not supported.
$response['changeset_status'] = $changeset_post->post_status;
if ( $is_publish && 'trash' === $response['changeset_status'] ) {
$response['changeset_status'] = 'publish';
}
if ( 'publish' !== $response['changeset_status'] ) {
$this->set_changeset_lock( $changeset_post->ID );
}
if ( 'future' === $response['changeset_status'] ) {
$response['changeset_date'] = $changeset_post->post_date;
}
if ( 'publish' === $response['changeset_status'] || 'trash' === $response['changeset_status'] ) {
$response['next_changeset_uuid'] = wp_generate_uuid4();
}
}
if ( $autosave ) {
$response['autosaved'] = $autosaved;
}
if ( isset( $response['setting_validities'] ) ) {
$response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] );
}
/**
* Filters response data for a successful customize_save Ajax request.
*
* This filter does not apply if there was a nonce or authentication failure.
*
* @since 4.2.0
*
* @param array $response Additional information passed back to the 'saved'
* event on `wp.customize`.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$response = apply_filters( 'customize_save_response', $response, $this );
if ( is_wp_error( $r ) ) {
wp_send_json_error( $response );
} else {
wp_send_json_success( $response );
}
}