Ticket #64282: 64282.diff

src/wp-includes/default-filters.php

@@ -444 +444 @@
 add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_comment_personal_data_exporter' );
 add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_media_personal_data_exporter' );
 add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_user_personal_data_exporter', 1 );
+add_filter( 'wp_privacy_personal_data_erasers', 'wp_register_user_personal_data_eraser', 1 );
 add_filter( 'wp_privacy_personal_data_erasers', 'wp_register_comment_personal_data_eraser' );
 add_action( 'init', 'wp_schedule_delete_old_privacy_export_files' );
 add_action( 'wp_privacy_delete_old_export_files', 'wp_privacy_delete_old_export_files' );

src/wp-includes/user.php

@@ -4166 +4166 @@
 }
 
 /**
+ * Registers the personal data eraser for users.
+ *
+ * @since 6.7.0
+ *
+ * @param array $erasers An array of personal data erasers.
+ * @return array An array of personal data erasers.
+ */
+function wp_register_user_personal_data_eraser( $erasers ) {
+        $erasers['wordpress-user'] = array(
+                'eraser_friendly_name' => __( 'WordPress User' ),
+                'callback'             => 'wp_user_personal_data_eraser',
+        );
+
+        return $erasers;
+}
+
+/**
+ * Erases core user profile data for a personal data erasure request.
+ *
+ * @since 6.7.0
+ *
+ * @param string $email_address The user's email address.
+ * @param int    $page          Unused. Part of the eraser signature.
+ * @return array {
+ *     Data removal results.
+ *
+ *     @type bool     $items_removed  Whether items were actually removed.
+ *     @type bool     $items_retained Whether items were retained.
+ *     @type string[] $messages       An array of messages about retained items.
+ *     @type bool     $done           Whether the eraser is finished.
+ * }
+ */
+function wp_user_personal_data_eraser( $email_address, $page = 1 ) {
+        $response = array(
+                'items_removed'  => false,
+                'items_retained' => false,
+                'messages'       => array(),
+                'done'           => true,
+        );
+
+        $email_address = trim( $email_address );
+
+        if ( empty( $email_address ) ) {
+                return $response;
+        }
+
+        $user = get_user_by( 'email', $email_address );
+
+        if ( ! $user instanceof WP_User ) {
+                return $response;
+        }
+
+        $user_id = $user->ID;
+
+        $meta_keys_to_erase = array( 'description' );
+
+        /**
+         * Filters the list of user meta keys removed during a personal data erasure request.
+         *
+         * @since 6.7.0
+         *
+         * @param string[] $meta_keys_to_erase User meta keys slated for deletion.
+         * @param WP_User  $user               The user whose data is being erased.
+         */
+        $meta_keys_to_erase = apply_filters( 'wp_privacy_user_personal_data_eraser_meta_keys', $meta_keys_to_erase, $user );
+
+        foreach ( $meta_keys_to_erase as $meta_key ) {
+                $meta_key = sanitize_key( $meta_key );
+
+                if ( '' === $meta_key ) {
+                        continue;
+                }
+
+                if ( ! metadata_exists( 'user', $user_id, $meta_key ) ) {
+                        continue;
+                }
+
+                $deleted = delete_user_meta( $user_id, $meta_key );
+
+                if ( $deleted ) {
+                        $response['items_removed'] = true;
+                } else {
+                        $response['items_retained'] = true;
+                        $response['messages'][]     = sprintf(
+                                /* translators: %s: User meta key. */
+                                __( 'User meta "%s" could not be erased.' ),
+                                $meta_key
+                        );
+                }
+        }
+
+        return $response;
+}
+
+/**
  * Updates log when privacy request is confirmed.
  *
  * @since 4.9.6