Ticket #43438: 43438.6.diff

src/wp-admin/admin-ajax.php

@@ -129 +129 @@
         'get-post-thumbnail-html',
         'get-community-events',
         'edit-theme-plugin-file',
+        'wp-privacy-export-personal-data',
 );
 
 // Deprecated

src/wp-admin/includes/ajax-actions.php

@@ -4326 +4326 @@
                 );
         }
 }
+
+function wp_ajax_wp_privacy_export_personal_data() {
+        check_ajax_referer( 'wp-privacy-export-personal-data', 'security' );
+
+        if ( ! current_user_can( 'manage_options' ) ) {
+                wp_send_json_error( 'access denied' );
+        }
+
+        $email_address  = sanitize_text_field( $_POST['email'] );
+        $exporter_index = (int) sanitize_text_field( $_POST['exporter'] );
+        $page           = (int) sanitize_text_field( $_POST['page'] );
+
+        /**
+         * Filters the array of exporter callbacks.
+         *
+         * @since 4.9.5.
+         *
+         * @param array $args {
+         *     An array of callable exporters of personal data. Default empty array.
+         *     [
+         *         callback               string  Callable exporter that accepts an email address and
+         *                                        a zero-based page and returns an array of name value
+         *                                        pairs of personal data
+         *         exporter_friendly_name string  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 < 0 ) {
+                        wp_send_json_error( 'exporter index cannot be negative' );
+                }
+
+                if ( $exporter_index > count( $exporters ) - 1 ) {
+                        wp_send_json_error( 'exporter index out of range' );
+                }
+
+                if ( $page < 0 ) {
+                        wp_send_json_error( 'page index cannot be negative' );
+                }
+
+                // Surprisingly, email addresses can contain mutli-byte characters now
+                $email_address = trim( mb_strtolower( $email_address ) );
+
+                if ( ! is_email( $email_address ) ) {
+                        wp_send_json_error( 'a valid email address must be given' );
+                }
+
+                $exporter = $exporters[ $exporter_index ];
+                if ( ! is_array( $exporter ) ) {
+                        wp_send_json_error( "expected an array describing the exporter at index $exporter_index" );
+                }
+                if ( ! array_key_exists( 'callback', $exporter ) ) {
+                        wp_send_json_error( "exporter array at index $exporter_index does not include a callback" );
+                }
+                if ( ! is_callable( $exporter['callback'] ) ) {
+                        wp_send_json_error( "exporter callback at index $exporter_index is not a valid callback" );
+                }
+                if ( ! array_key_exists( 'exporter_friendly_name', $exporter ) ) {
+                        wp_send_json_error( "exporter array at index $exporter_index does not include a friendly name" );
+                }
+
+                $callback = $exporters[ $exporter_index ]['callback'];
+                $exporter_friendly_name = $exporters[ $exporter_index ]['exporter_friendly_name'];
+
+                $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( "expected response as an array from exporter: $exporter_friendly_name" );
+                }
+                if ( ! array_key_exists( 'data', $response ) ) {
+                        wp_send_json_error( "expected data in response array from exporter: $exporter_friendly_name" );
+                }
+                if ( ! is_array( $response['data'] ) ) {
+                        wp_send_json_error( "expected data array in response array from exporter: $exporter_friendly_name" );
+                }
+                if ( ! array_key_exists( 'done', $response ) ) {
+                        wp_send_json_error( "expected done (boolean) in response array from exporter: $exporter_friendly_name" );
+                }
+        } else {
+                // No exporters, so we're done
+                $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 4.9.5
+         *
+         * @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 zero-based page for this response.
+         */
+        $response = apply_filters( 'wp_privacy_personal_data_export_page', $response, $exporter_index, $email_address, $page );
+        if ( is_wp_error( $response ) ) {
+                wp_send_json_error( $response );
+        }
+
+        wp_send_json_success( $response );
+}