]> git.mxchange.org Git - friendica.git/blobdiff - include/security.php
more punctuation characters added to linkify patterns
[friendica.git] / include / security.php
index f376039167d5ff7672b2baaf0b98fb94c9e0b981..5e79e1edd5f0017424777df1206ce2d3eee96617 100644 (file)
@@ -2,15 +2,27 @@
 
 function can_write_wall(&$a,$owner) {
 
-        if((! (local_user())) && (! (remote_user())))
-                return false;
-               $uid = local_user();
+       static $verified = 0;
 
-        if(($uid) && ($uid == $owner)) {
-                return true;
-               }
+       if((! (local_user())) && (! (remote_user())))
+               return false;
+
+       $uid = local_user();
+
+       if(($uid) && ($uid == $owner)) {
+               return true;
+       }
+
+       if(remote_user()) {
 
-               if(remote_user()) {
+               // user remembered decision and avoid a DB lookup for each and every display item
+               // DO NOT use this function if there are going to be multiple owners
+
+               if($verified === 2)
+                       return true;
+               elseif($verified === 1)
+                       return false;
+               else {
                        $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid` 
                                WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
                                AND `readonly` = 0  AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
@@ -20,11 +32,15 @@ function can_write_wall(&$a,$owner) {
                                intval(REL_BUD),
                                intval(PAGE_COMMUNITY)
                        );
+                       if(count($r)) {
+                               $verified = 2;
+                               return true;
+                       }
+                       else {
+                               $verified = 1;
+                       }
                }
-               if(count($r))
-                       return true;
-
-               
-        return false;
+       }
 
+       return false;
 }