Move perms2str to ACLFormatter::aclToString()

[friendica.git] / src / Util / ACLFormatter.php

diff --git a/src/Util/ACLFormatter.php b/src/Util/ACLFormatter.php
index 4e3d32b157d76aea0a7fb9a820f6f35a8c503fe5..e724a89487c81ba7c1391b0bbc809fe3f5d3d42f 100644 (file)
--- a/src/Util/ACLFormatter.php
+++ b/src/Util/ACLFormatter.php
@@ -24,4 +24,44 @@ final class ACLFormatter
 
                return $matches[1];
        }
+
+       /**
+        * Wrap ACL elements in angle brackets for storage
+        *
+        * @param string $item The item to sanitise
+        */
+       private function sanitiseAcl(string &$item) {
+               if (intval($item)) {
+                       $item = '<' . intval(Strings::escapeTags(trim($item))) . '>';
+               } elseif (in_array($item, [Group::FOLLOWERS, Group::MUTUALS])) {
+                       $item = '<' . $item . '>';
+               } else {
+                       $item = '';
+               }
+       }
+
+       /**
+        * Convert an ACL array to a storable string
+        *
+        * Normally ACL permissions will be an array.
+        * We'll also allow a comma-separated string.
+        *
+        * @param string|array $permissions
+        *
+        * @return string
+        */
+       function aclToString($permissions) {
+               $return = '';
+               if (is_array($permissions)) {
+                       $item = $permissions;
+               } else {
+                       $item = explode(',', $permissions);
+               }
+
+               if (is_array($item)) {
+                       array_walk($item, [$this, 'sanitiseAcl']);
+                       $return = implode('', $item);
+               }
+               return $return;
+       }
 }