Changeset 43074 for branches/4.9/src/wp-admin/includes/ajax-actions.php

Timestamp:

05/01/2018 11:57:42 PM (7 years ago)

Author:

SergeyBiryukov

Message:

Privacy: add support for exporting multiple pages of personal data.

Props allendav.
Merges [42889] to the 4.9 branch.
See #43438.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-admin/includes/ajax-actions.php (modified) (1 diff)

branches/4.9/src/wp-admin/includes/ajax-actions.php

@@ -4018 +4018 @@
     }
 }
+
+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) $_POST['exporter'];
+    $page           = (int) $_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 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 < 1 ) {
+            wp_send_json_error( 'Exporter index cannot be negative.' );
+        }
+
+        if ( $exporter_index > count( $exporters ) ) {
+            wp_send_json_error( 'Exporter index out of range.' );
+        }
+
+        $index = $exporter_index - 1;
+
+        if ( $page < 1 ) {
+            wp_send_json_error( 'Page index cannot be less than one.' );
+        }
+
+        // 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[ $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[ $index ]['callback'];
+        $exporter_friendly_name = $exporters[ $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 );
+}