X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Fsecurity.php;h=c74a9b4a3cbe26d8ba919b6c44155e78612591db;hb=45b9bd96baa12c426b1a0a629e81908a59f149d9;hp=1e0107dcca50041bd4df49adbd546c3135ac55c6;hpb=1d2fdb259eab5af5f6ba967c61707e3a6dd9a3d0;p=friendica.git

diff --git a/include/security.php b/include/security.php
index 1e0107dcca..c74a9b4a3c 100644
--- a/include/security.php
+++ b/include/security.php
@@ -2,26 +2,45 @@
 
 function can_write_wall(&$a,$owner) {
 
-        if((! (local_user())) && (! (remote_user())))
-                return false;
-		$uid = get_uid();
+	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;
+	}
 
-        $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid` 
-			WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
-			AND `readonly` = 0  AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
-			intval($owner),
-			intval($_SESSION['visitor_id']),
-			intval(REL_VIP),
-			intval(REL_BUD),
-			intval(PAGE_COMMUNITY)
-        );
+	if(remote_user()) {
 
-        if(count($r))
-                return true;
-        return false;
+		// user remembered decision and avoid a DB lookup for each and every display item
+		// DO NOT use this function if there are going to be multiple owners
+
+		if($verified === 2)
+			return true;
+		elseif($verified === 1)
+			return false;
+		else {
+			$r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid` 
+				WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
+				AND `user`.`blockwall` = 0 AND `readonly` = 0  AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
+				intval($owner),
+				intval(remote_user()),
+				intval(REL_VIP),
+				intval(REL_BUD),
+				intval(PAGE_COMMUNITY)
+			);
+			if(count($r)) {
+				$verified = 2;
+				return true;
+			}
+			else {
+				$verified = 1;
+			}
+		}
+	}
 
+	return false;
 }