pages/login/LoginHandler.inc.php

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<?php

//$Id$


import('pages.login.PKPLoginHandler');

class LoginHandler extends PKPLoginHandler {
   function signInAsUser($args) {
      $this->addCheck(new HandlerValidatorConference($this));     
      $this->addCheck(new HandlerValidatorRoles($this, true, null, null, array(ROLE_ID_SITE_ADMIN, ROLE_ID_CONFERENCE_MANAGER)));
      $this->validate();

      if (isset($args[0]) && !empty($args[0])) {
         $userId = (int)$args[0];
         $conference =& Request::getConference();

         if (!Validation::canAdminister($conference->getId(), $userId)) {
            $this->setupTemplate();
            // We don't have administrative rights
            // over this user. Display an error.
            $templateMgr =& TemplateManager::getManager();
            $templateMgr->assign('pageTitle', 'manager.people');
            $templateMgr->assign('errorMsg', 'manager.people.noAdministrativeRights');
            $templateMgr->assign('backLink', Request::url(null, null, null, 'people', 'all'));
            $templateMgr->assign('backLinkLabel', 'manager.people.allUsers');
            return $templateMgr->display('common/error.tpl');
         }

         $userDao =& DAORegistry::getDAO('UserDAO');
         $newUser =& $userDao->getUser($userId);
         $session =& Request::getSession();

         // FIXME Support "stack" of signed-in-as user IDs?
         if (isset($newUser) && $session->getUserId() != $newUser->getId()) {
            $session->setSessionVar('signedInAs', $session->getUserId());
            $session->setSessionVar('userId', $userId);
            $session->setUserId($userId);
            $session->setSessionVar('username', $newUser->getUsername());
            Request::redirect(null, null, 'user');
         }
      }
      Request::redirect(null, null, Request::getRequestedPage());
   }

   function signOutAsUser() {
      $this->validate();

      $session =& Request::getSession();
      $signedInAs = $session->getSessionVar('signedInAs');

      if (isset($signedInAs) && !empty($signedInAs)) {
         $signedInAs = (int)$signedInAs;

         $userDao =& DAORegistry::getDAO('UserDAO');
         $oldUser =& $userDao->getUser($signedInAs);

         $session->unsetSessionVar('signedInAs');

         if (isset($oldUser)) {
            $session->setSessionVar('userId', $signedInAs);
            $session->setUserId($signedInAs);
            $session->setSessionVar('username', $oldUser->getUsername());
         }
      }

      Request::redirect(null, 'user');
   }

   function _getLoginUrl() {
      return Request::url(null, null, 'login', 'signIn');
   }

   function _setMailFrom(&$mail) {
      $site =& Request::getSite();
      $conference =& Request::getConference();
      $schedConf =& Request::getSchedConf();
      
      // Set the sender to one of three different settings, based on context
      if ($schedConf && $schedConf->getSetting('supportEmail')) {
         $mail->setFrom($schedConf->getSetting('supportEmail'), $schedConf->getSetting('supportName'));
      } elseif ($conference && $conference->getSetting('contactEmail')) {
         $mail->setFrom($conference->getSetting('contactEmail'), $conference->getSetting('contactName'));
      } else {
         $mail->setFrom($site->getLocalizedContactEmail(), $site->getLocalizedContactName());
      }
   }

   function setupTemplate() {
      AppLocale::requireComponents(array(LOCALE_COMPONENT_OCS_MANAGER, LOCALE_COMPONENT_PKP_MANAGER));
      parent::setupTemplate();
   }
}

?>

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