File indexing completed on 2024-05-12 06:02:11

 <?php
 
 /**
  *  ocs-webserver
  *
  *  Copyright 2016 by pling GmbH.
  *
  *    This file is part of ocs-webserver.
  *
  *    This program is free software: you can redistribute it and/or modify
  *    it under the terms of the GNU Affero General Public License as
  *    published by the Free Software Foundation, either version 3 of the
  *    License, or (at your option) any later version.
  *
  *    This program is distributed in the hope that it will be useful,
  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *    GNU Affero General Public License for more details.
  *
  *    You should have received a copy of the GNU Affero General Public License
  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  **/
 class Local_Validate_UsernameValid extends Zend_Validate_Abstract
 {
     const INVALID   = 'regexInvalid';
     const NOT_MATCH = 'regexNotMatch';
     const ERROROUS  = 'regexErrorous';
 
     /**
      * @var array
      */
     protected $_messageTemplates = array(
         self::INVALID   => "Invalid type given. String, integer or float expected",
         self::NOT_MATCH => "'%value%' does not match our rules for username",
         self::ERROROUS  => "There was an internal error while checking input",
     );
 
     /**
      * @param mixed $value
      * @param null  $context
      *
      * @return bool
      * @throws Zend_Exception
      */
     public function isValid($value, $context = null)
     {
         $value = (string)$value;
         $this->_setValue($value);
 
         return $this->isUsernameValid($value, $context);
     }
 
     /**
      * @param $member_data
      *
      * @return bool
      * @throws Zend_Validate_Exception
      */
     private function isUsernameValid($username, $context)
     {
         $usernameValidChars = new Zend_Validate_Regex('/^(?=.{4,20}$)(?![-])(?!.*[-]{2})[a-z0-9-]+(?<![-])$/');
 
         if (false == $usernameValidChars->isValid($username)) {
             $this->setMessages($usernameValidChars->getMessages());
 
             return false;
         }
 
         return true;
     }
 
 }