Source
File: wp-admin/includes/ajax-actions.php
function wp_ajax_wp_privacy_export_personal_data() {
if ( empty( $_POST['id'] ) ) {
wp_send_json_error( __( 'Missing request ID.' ) );
}
$request_id = (int) $_POST['id'];
if ( $request_id < 1 ) {
wp_send_json_error( __( 'Invalid request ID.' ) );
}
if ( ! current_user_can( 'export_others_personal_data' ) ) {
wp_send_json_error( __( 'Sorry, you are not allowed to perform this action.' ) );
}
check_ajax_referer( 'wp-privacy-export-personal-data-' . $request_id, 'security' );
// Get the request.
$request = wp_get_user_request( $request_id );
if ( ! $request || 'export_personal_data' !== $request->action_name ) {
wp_send_json_error( __( 'Invalid request type.' ) );
}
$email_address = $request->email;
if ( ! is_email( $email_address ) ) {
wp_send_json_error( __( 'A valid email address must be given.' ) );
}
if ( ! isset( $_POST['exporter'] ) ) {
wp_send_json_error( __( 'Missing exporter index.' ) );
}
$exporter_index = (int) $_POST['exporter'];
if ( ! isset( $_POST['page'] ) ) {
wp_send_json_error( __( 'Missing page index.' ) );
}
$page = (int) $_POST['page'];
$send_as_email = isset( $_POST['sendAsEmail'] ) ? ( 'true' === $_POST['sendAsEmail'] ) : false;
/**
* Filters the array of exporter callbacks.
*
* @since 4.9.6
*
* @param array $args {
* An array of callable exporters of personal data. Default empty array.
*
* @type array ...$0 {
* Array of personal data exporters.
*
* @type callable $callback Callable exporter function that accepts an
* email address and a page and returns an array
* of name => value pairs of personal data.
* @type string $exporter_friendly_name Translated user facing friendly name for the
* exporter.
* }
* }
*/
$exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() );
if ( ! is_array( $exporters ) ) {
wp_send_json_error( __( 'An exporter has improperly used the registration filter.' ) );
}
// Do we have any registered exporters?
if ( 0 < count( $exporters ) ) {
if ( $exporter_index < 1 ) {
wp_send_json_error( __( 'Exporter index cannot be negative.' ) );
}
if ( $exporter_index > count( $exporters ) ) {
wp_send_json_error( __( 'Exporter index is out of range.' ) );
}
if ( $page < 1 ) {
wp_send_json_error( __( 'Page index cannot be less than one.' ) );
}
$exporter_keys = array_keys( $exporters );
$exporter_key = $exporter_keys[ $exporter_index - 1 ];
$exporter = $exporters[ $exporter_key ];
if ( ! is_array( $exporter ) ) {
wp_send_json_error(
/* translators: %s: Exporter array index. */
sprintf( __( 'Expected an array describing the exporter at index %s.' ), $exporter_key )
);
}
if ( ! array_key_exists( 'exporter_friendly_name', $exporter ) ) {
wp_send_json_error(
/* translators: %s: Exporter array index. */
sprintf( __( 'Exporter array at index %s does not include a friendly name.' ), $exporter_key )
);
}
$exporter_friendly_name = $exporter['exporter_friendly_name'];
if ( ! array_key_exists( 'callback', $exporter ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Exporter does not include a callback: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
if ( ! is_callable( $exporter['callback'] ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Exporter callback is not a valid callback: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
$callback = $exporter['callback'];
$response = call_user_func( $callback, $email_address, $page );
if ( is_wp_error( $response ) ) {
wp_send_json_error( $response );
}
if ( ! is_array( $response ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Expected response as an array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
if ( ! array_key_exists( 'data', $response ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Expected data in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
if ( ! is_array( $response['data'] ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Expected data array in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
if ( ! array_key_exists( 'done', $response ) ) {
wp_send_json_error(
/* translators: %s: Exporter friendly name. */
sprintf( __( 'Expected done (boolean) in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
);
}
} else {
// No exporters, so we're done.
$exporter_key = '';
$response = array(
'data' => array(),
'done' => true,
);
}
/**
* Filters a page of personal data exporter data. Used to build the export report.
*
* Allows the export response to be consumed by destinations in addition to Ajax.
*
* @since 4.9.6
*
* @param array $response The personal data for the given exporter and page.
* @param int $exporter_index The index of the exporter that provided this data.
* @param string $email_address The email address associated with this personal data.
* @param int $page The page for this response.
* @param int $request_id The privacy request post ID associated with this request.
* @param bool $send_as_email Whether the final results of the export should be emailed to the user.
* @param string $exporter_key The key (slug) of the exporter that provided this data.
*/
$response = apply_filters( 'wp_privacy_personal_data_export_page', $response, $exporter_index, $email_address, $page, $request_id, $send_as_email, $exporter_key );
if ( is_wp_error( $response ) ) {
wp_send_json_error( $response );
}
wp_send_json_success( $response );
}