From ec07126d1b3f8702b1d8aeacd72eee38000dcb37 Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Tue, 27 Jun 2023 10:01:31 +0100
Subject: [PATCH] MDL-72249 message: stricter cleaning of processor type
 parameter.

---
 message/externallib.php | 4 ++--
 message/lib.php         | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/message/externallib.php b/message/externallib.php
index cc15748cc50..3daa3980128 100644
--- a/message/externallib.php
+++ b/message/externallib.php
@@ -4111,7 +4111,7 @@ class core_message_external extends external_api {
         return new external_function_parameters(
             array(
                 'userid' => new external_value(PARAM_INT, 'id of the user, 0 for current user', VALUE_REQUIRED),
-                'name' => new external_value(PARAM_TEXT, 'The name of the message processor'),
+                'name' => new external_value(PARAM_SAFEDIR, 'The name of the message processor'),
                 'formvalues' => new external_multiple_structure(
                     new external_single_structure(
                         array(
@@ -4187,7 +4187,7 @@ class core_message_external extends external_api {
         return new external_function_parameters(
             array(
                 'userid' => new external_value(PARAM_INT, 'id of the user, 0 for current user'),
-                'name' => new external_value(PARAM_TEXT, 'The name of the message processor', VALUE_REQUIRED),
+                'name' => new external_value(PARAM_SAFEDIR, 'The name of the message processor', VALUE_REQUIRED),
             )
         );
     }
diff --git a/message/lib.php b/message/lib.php
index 2344265be28..9162fc33348 100644
--- a/message/lib.php
+++ b/message/lib.php
@@ -681,8 +681,8 @@ function message_output_fragment_processor_settings($args = []) {
         throw new moodle_exception('Must provide a userid');
     }
 
-    $type = $args['type'];
-    $userid = $args['userid'];
+    $type = clean_param($args['type'], PARAM_SAFEDIR);
+    $userid = clean_param($args['userid'], PARAM_INT);
 
     $user = core_user::get_user($userid, '*', MUST_EXIST);
     if (!core_message_can_edit_message_profile($user)) {