sanitize ldap (#167)

* escape inputs

* Update UnityLDAP.php

Author: simonLeary42

resources/lib/UnityLDAP.php

@@ -311,21 +311,25 @@ public function getAllOrgGroups($UnitySQL, $UnityMailer, $UnityRedis, $UnityWebh
 
     public function getUserEntry($uid)
     {
+        $uid = ldap_escape($uid, LDAP_ESCAPE_DN);
         return $this->getEntry(unityLDAP::RDN . "=$uid," . $this->STR_USEROU);
     }
 
     public function getGroupEntry($gid)
     {
+        $uid = ldap_escape($gid, LDAP_ESCAPE_DN);
         return $this->getEntry(unityLDAP::RDN . "=$gid," . $this->STR_GROUPOU);
     }
 
     public function getPIGroupEntry($gid)
     {
+        $uid = ldap_escape($gid, LDAP_ESCAPE_DN);
         return $this->getEntry(unityLDAP::RDN . "=$gid," . $this->STR_PIGROUPOU);
     }
 
     public function getOrgGroupEntry($gid)
     {
+        $uid = ldap_escape($gid, LDAP_ESCAPE_DN);
         return $this->getEntry(unityLDAP::RDN . "=$gid," . $this->STR_ORGGROUPOU);
     }
 }