gistfile1.txt

    public function login(){
        if(isset($this->params->query['uip_ticket'])){
            $uip_ticket = $this->params->query['uip_ticket'];
            $hawkid = "ddellspe";
            $url = "https://login.uiowa.edu/uip/checkticket.page?service=https://www.engineering.uiowa.edu/officehours/eps2/users/login&uip_ticket=".$uip_ticket;
            $rsp = file_get_contents($url);
            $rsp = str_replace("\n",'&',$rsp);
            parse_str($rsp);
            if(!isset($error)){
                if($user = $this->User->find('first', array('conditions' => array('hawkid' => $hawkid)))) {
                    if($this->Auth->login($user)){
                        $this->Session->setFlash(__('Successfully Logged Into the site'),'flash_success');
                        $this->User->id = $user['User']['id'];
                        $this->User->saveField('last_login', date("Y-m-d H:i:s")); 
                        return $this->redirect($this->Auth->redirectUrl());
                    } else {
                        $this->Session->setFlash(__('Failed to authenticate the user, please contact the webmaster if this occurrs again.'),'flash_error');
                        $this->redirect('/');
                    }
                }else{
                    $fName = $hawkid;
                    $lName = " ";
                    //get first/lastname
                    $ldapconn = ldap_connect("directory.iowa.uiowa.edu", 389);
                    $ldapbind = ldap_bind($ldapconn);
                    $dn = 'ou=people,dc=metadirectory,dc=iowa,dc=uiowa,dc=edu';
                    $searchResult = ldap_search($ldapconn, $dn, '(|(uiowahawkid='.$hawkid.'))') or die(ldap_error($ldapconn));
                    if(ldap_count_entries($ldapconn, $searchResult) > 0){
                        $info = ldap_get_entries($ldapconn, $searchResult) or die(ldap_error($ldapconn));
                        for($i=0 ; $i<$info['count'] ; $i++){
                            $fName = $info[$i]['givenname'][0];
                            $lName = $info[$i]['sn'][0];
                        }
                    } else {
                        $fName = $hawkid;
                        $lName = " ";
                    }
                    //add into users table
                    $user = $this->User->create();
                    $user['User']['hawkid'] = $hawkid;
                    $user['User']['first_name'] = $fName;
                    $user['User']['last_name'] = $lName;
                    $user['USer']['password'] = null;
                    $user['User']['group_id'] = 3;
                    $this->User->save($user);
                    if($user = $this->User->find('first', array('conditions' => array('hawkid' => $hawkid)))) {
                        if($this->Auth->login($user)){
                            $this->Session->setFlash(__('Successfully Logged Into the site'),'flash_success');
                            $this->User->id = $user['User']['id'];
                            $this->User->saveField('last_login', date("Y-m-d H:i:s"));
                            return $this->redirect($this->Auth->redirectUrl());
                        } else {
                            $this->Session->setFlash(__('Failed to authenticate the user, please contact the webmaster if this occurrs again.'),'flash_error');
                            $this->redirect('/');
                        }
                    } else {
                        $this->Session->setFlash(__('Failed to log you into the system after user creation, please try logging in again'),'flash_error');
                        $this->redirect('/');
                    }
                }
                
            } else {
                $this->Session->setFlash(__('Failed to authenticate your hawkid with the system'),'flash_error');
                $this->redirect('/');
            }
        } else {
            $this->redirect('/');
        }
    }

route

Router::redirect('/login', 'https://login.uiowa.edu/uip/login.page?service=https://www.engineering.uiowa.edu/officehours/eps2/users/login');