X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FModel%2FPermissionSet.php;h=6506c70940529859de991fa0f97da487f38eb6f3;hb=00bf0c24b6cc4a4a1ee88e180eeae01386b414b0;hp=2b34f1e32ac36974045a657bb4afbebbcdead2dc;hpb=ecea7425f8ad11ace4af39d476919e3203bff44f;p=friendica.git

diff --git a/src/Model/PermissionSet.php b/src/Model/PermissionSet.php
index 2b34f1e32a..6506c70940 100644
--- a/src/Model/PermissionSet.php
+++ b/src/Model/PermissionSet.php
@@ -20,7 +20,7 @@ class PermissionSet extends BaseObject
 	 * @param array $postarray The array from an item, picture or event post
 	 * @return id
 	 */
-	public static function fetchIDForPost($postarray)
+	public static function fetchIDForPost(&$postarray)
 	{
 		$condition = ['uid' => $postarray['uid'],
 			'allow_cid' => self::sortPermissions(defaults($postarray, 'allow_cid', '')),
@@ -35,6 +35,12 @@ class PermissionSet extends BaseObject
 
 			$set = DBA::selectFirst('permissionset', ['id'], $condition);
 		}
+
+		$postarray['allow_cid'] = null;
+		$postarray['allow_gid'] = null;
+		$postarray['deny_cid'] = null;
+		$postarray['deny_gid'] = null;
+
 		return $set['id'];
 	}
 
@@ -56,4 +62,47 @@ class PermissionSet extends BaseObject
 
 		return '<' . implode('><', $elements) . '>';
 	}
+
+	/**
+	 * @brief Returns a permission set for a given contact
+	 *
+	 * @param integer $uid        User id whom the items belong
+	 * @param integer $contact_id Contact id of the visitor
+	 * @param array   $groups     Possibly previously fetched group ids for that contact
+	 *
+	 * @return array of permission set ids.
+	 */
+
+	static public function get($uid, $contact_id, $groups = null)
+	{
+		if (empty($groups) && DBA::exists('contact', ['id' => $contact_id, 'uid' => $uid, 'blocked' => false])) {
+			$groups = Group::getIdsByContactId($contact_id);
+		}
+
+		if (empty($groups) || !is_array($groups)) {
+			return [];
+		}
+		$group_str = '<<>>'; // should be impossible to match
+
+		foreach ($groups as $g) {
+			$group_str .= '|<' . intval($g) . '>';
+		}
+
+		$contact_str = '<' . $contact_id . '>';
+
+		$condition = ["`uid` = ? AND (`allow_cid` = '' OR`allow_cid` REGEXP ?)
+			AND (`deny_cid` = '' OR NOT `deny_cid` REGEXP ?)
+			AND (`allow_gid` = '' OR `allow_gid` REGEXP ?)
+			AND (`deny_gid` = '' OR NOT `deny_gid` REGEXP ?)",
+			$uid, $contact_str, $contact_str, $group_str, $group_str];
+
+		$ret = DBA::select('permissionset', ['id'], $condition);
+		$set = [];
+		while ($permission = DBA::fetch($ret)) {
+			$set[] = $permission['id'];
+		}
+		DBA::close($ret);
+
+		return $set;
+	}
 }