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[friendica.git] / src / Core / ACL.php

diff --git a/src/Core/ACL.php b/src/Core/ACL.php
index 347e8278f9eca5d3d1b2ab762e756fb382a9660c..a4acf58bad4fb0fb54590ad47e63e268379af375 100644 (file)
--- a/src/Core/ACL.php
+++ b/src/Core/ACL.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -80,7 +80,7 @@ class ACL
 
                $arr = ['contact' => $contacts, 'entry' => $o];
 
-               Hook::callAll(DI::module()->getName() . '_pre_recipient', $arr);
+               Hook::callAll(DI::args()->getModuleName() . '_pre_recipient', $arr);
 
                $tpl = Renderer::getMarkupTemplate('acl/message_recipient.tpl');
                $o = Renderer::replaceMacros($tpl, [
@@ -88,7 +88,7 @@ class ACL
                        '$selected' => $selected,
                ]);
 
-               Hook::callAll(DI::module()->getName() . '_post_recipient', $o);
+               Hook::callAll(DI::args()->getModuleName() . '_post_recipient', $o);
 
                return $o;
        }
@@ -341,4 +341,62 @@ class ACL
 
                return $o;
        }
+
+       /**
+        * Checks the validity of the given ACL string
+        *
+        * @param string $acl_string
+        * @param int    $uid
+        * @return bool
+        * @throws Exception
+        */
+       public static function isValidContact($acl_string, $uid)
+       {
+               if (empty($acl_string)) {
+                       return true;
+               }
+
+               // split <x><y><z> into array of cids
+               preg_match_all('/<[A-Za-z0-9]+>/', $acl_string, $array);
+
+               // check for each cid if the contact is valid for the given user
+               $cid_array = $array[0];
+               foreach ($cid_array as $cid) {
+                       $cid = str_replace(['<', '>'], ['', ''], $cid);
+                       if (!DBA::exists('contact', ['id' => $cid, 'uid' => $uid])) {
+                               return false;
+                       }
+               }
+
+               return true;
+       }
+
+       /**
+        * Checks the validity of the given ACL string
+        *
+        * @param string $acl_string
+        * @param int    $uid
+        * @return bool
+        * @throws Exception
+        */
+       public static function isValidGroup($acl_string, $uid)
+       {
+               if (empty($acl_string)) {
+                       return true;
+               }
+
+               // split <x><y><z> into array of cids
+               preg_match_all('/<[A-Za-z0-9]+>/', $acl_string, $array);
+
+               // check for each cid if the contact is valid for the given user
+               $gid_array = $array[0];
+               foreach ($gid_array as $gid) {
+                       $gid = str_replace(['<', '>'], ['', ''], $gid);
+                       if (!DBA::exists('group', ['id' => $gid, 'uid' => $uid, 'deleted' => false])) {
+                               return false;
+                       }
+               }
+
+               return true;
+       }
 }