use Friendica\BaseObject;
use Friendica\Database\DBA;
-require_once 'include/dba.php';
-
/**
* @brief functions for interacting with the permission set of an object (item, photo, event, ...)
*/
* Fetch the id of a given permission set. Generate a new one when needed
*
* @param array $postarray The array from an item, picture or event post
- * @return id
+ * @return int id
+ * @throws \Exception
*/
- public static function fetchIDForPost($postarray)
+ public static function fetchIDForPost(&$postarray)
{
$condition = ['uid' => $postarray['uid'],
- 'allow_cid' => self::sortPermissions(defaults($postarray, 'allow_cid', '')),
- 'allow_gid' => self::sortPermissions(defaults($postarray, 'allow_gid', '')),
- 'deny_cid' => self::sortPermissions(defaults($postarray, 'deny_cid', '')),
- 'deny_gid' => self::sortPermissions(defaults($postarray, 'deny_gid', ''))];
+ 'allow_cid' => self::sortPermissions($postarray['allow_cid'] ?? ''),
+ 'allow_gid' => self::sortPermissions($postarray['allow_gid'] ?? ''),
+ 'deny_cid' => self::sortPermissions($postarray['deny_cid'] ?? ''),
+ 'deny_gid' => self::sortPermissions($postarray['deny_gid'] ?? '')];
$set = DBA::selectFirst('permissionset', ['id'], $condition);
$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'];
}
return '<' . implode('><', $elements) . '>';
}
+
+ /**
+ * @brief Returns a permission set for a given contact
+ *
+ * @param integer $uid User id whom the items belong
+ * @param integer $contact_id Contact id of the visitor
+ *
+ * @return array of permission set ids.
+ * @throws \Exception
+ */
+ static public function get($uid, $contact_id)
+ {
+ if (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 (NOT (`deny_cid` REGEXP ? OR deny_gid REGEXP ?)
+ AND (allow_cid REGEXP ? OR allow_gid REGEXP ? OR (allow_cid = '' AND allow_gid = '')))",
+ $uid, $contact_str, $group_str, $contact_str, $group_str];
+
+ $ret = DBA::select('permissionset', ['id'], $condition);
+ $set = [];
+ while ($permission = DBA::fetch($ret)) {
+ $set[] = $permission['id'];
+ }
+ DBA::close($ret);
+
+ return $set;
+ }
}