<?php
use Helpers\View as view;
use Mail\Mail;

class AccountController extends Zend_Controller_Action 
{
	function preDispatch()
    {
    	$this->view->config = Zend_Registry::get('config');
		$this->_request->setParam('return', $this->_request->getServer('REQUEST_URI'));
		$this->db = Zend_Registry::get('db');
		$this->view->messages = $this->messenger->getMessages();
		$this->view->theme = new Theme();
    } 
	
    function indexAction()
    {
		$this->view->pageID = "account-index";
		
		include_once("Users.php");
		$usr = new Users($this->db);
		
    	$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$uid = $user->id;
		}
		
		include_once("Avatar.php");
		$avatar = new Avatar();
		$this->view->avatar = $avatar->Get($user->email,140);
		
		$this->view->info = $usr->getUserInfo($uid);
    }
	
	function editAction()
    {
		$this->view->pageID = "account-edit";
		
		include_once("Users.php");
		$usr = new Users($this->db);
		
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$uid = $user->id;
		}
		
		include_once("Avatar.php");
		$avatar = new Avatar();
		$this->view->avatar = $avatar->Get($user->email,140);
		
		$this->view->projectType = array(
			"无" => '',
			"国家973计划项目课题" => "国家973计划项目课题",
			"国家863计划课题"=>"国家863计划课题",
			"国家级科技支撑课题" => "国家级科技支撑课题",
			"国家级科技重大专项" => "国家级科技重大专项",
			"国家级国家重大工程" => "国家级国家重大工程",
			"国家级国家自然科学基金" => "国家级国家自然科学基金",
			"国际合作项目"=>"国际合作项目",
			"省部级项目" => "省部级项目",
			"其他项目工程" => "其他项目工程"
		);
		
		$submit = $this->_getParam('submit');
		
		if(!empty($submit))
		{
			$data = $this->AccountEditParamFilter();
			
			if($this->db->update("users",$data,"id=$uid"))
			{
				$this->view->AlertType = "alert-success";
				$this->view->msg = "修改成功！";
				$this->view->jump_url = "/account/edit";
				return true;
			}else{
				$this->view->AlertType = "alert-error";
				$this->view->error = "修改失败，请重试";
				$this->view->info = $data;
				return true;
			}
		}else{
			$this->view->info = $usr->getUserInfo($uid);
		}
    }
	
	function AccountEditParamFilter(){
		$data = array();
		$data['realname'] = substr(trim($this->_getParam('realname')),0,40);
		$data['unit'] = substr(trim($this->_getParam('unit')),0,100);
		$data['address'] = substr(trim($this->_getParam('address')),0,100);
		$data['phone'] = substr(trim($this->_getParam('phone')),0,15);
		$data['postcode'] = substr(trim($this->_getParam('postcode')),0,15);
		$data['project_type'] = substr(trim($this->_getParam('project_type')),0,100);
		$data['project_id'] = substr(trim($this->_getParam('project_id')),0,40);
		$data['project_title'] = substr(trim($this->_getParam('project_title')),0,100);
		$data['project'] = substr(trim($this->_getParam('project')),0,600);
		
		foreach($data as $k=>$v)
		{
			$data[$k] = $this->StringFilter($v);
		}
		
		return $data;
	}
	
	function StringFilter($string){
		$string = preg_replace ('/<[^>]*>/', ' ', $string);
		return $string;
	}
	
	function secureAction()
	{
		$this->view->pageID = "account-secure";
		
		include_once("Users.php");
		$usr = new Users($this->db);
		
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$uid = $user->id;
		}
		
		$opt = $this->_getParam('opt');
		$submit = $this->_getParam('submit');
		
		if(empty($opt))
		{
			$this->view->section = "password";
			if(!empty($submit))
			{
				$data = $this->AccountSecureParamFilter();
				
				$this->view->AlertType = "alert-error";
				if(strlen($data['password'])>18 || strlen($data['new_password'])>18)
				{
					$this->view->error = view::Error("密码过长");
					return true;
				}
				if(strlen($data['new_password'])<=6 || strlen($data['new_password_confrim'])<=6)
				{
					$this->view->error = view::Error("密码过短，请输入大于6位的密码");
					return true;
				}
				if(md5($data['new_password']) != md5($data['new_password_confrim']))
				{
					$this->view->error = view::Error("两次输入的密码不相同");
					return true;
				}
				
				$sql = "SELECT password FROM users WHERE id=$uid";
				$rs = $this->db->query($sql);
				$row = $rs->fetch();
				
				if(md5($data['password']) != $row['password'])
				{
					$this->view->error = view::Error("原密码不正确");
					return true;
				}
	
				$data['password'] = md5($data['new_password']);
				
				unset($data['new_password']);
				unset($data['new_password_confrim']);
				
				if($this->db->update("users",$data,"id=$uid"))
				{
					view::Post($this,array("content"=>'修改成功！','url'=>'/account/secure'));
					return true;
				}else{
					$this->view->error = view::Error("修改失败");
					return true;
				}
			}else{
				$this->view->info = $usr->getUserInfo($uid);
			}
		}//password
		
		if($opt == "email")
		{
			$this->view->section = "email";
			if(!empty($submit))
			{
				$email = $this->_getParam('email');
				$password = $this->_getParam('password');
				
				if(!preg_match("/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/i",$email))
				{
					$this->view->error = view::Error("错误的邮箱格式");
					return true;
				}
				
				$sql = "SELECT password FROM users WHERE id=$uid";
				$rs = $this->db->query($sql);
				$row = $rs->fetch();
				
				if(md5($password) != $row['password'])
				{
					$this->view->error = view::Error("原密码错误");
					return true;
				}
				
				$data['email'] = $email;
				
				if($this->db->update("users",$data,"id=$uid"))
				{
					view::Post($this,array("content"=>'修改成功！','url'=>'/account/secure'));
					return true;
				}else{
					$this->view->error = view::Error("修改失败");
					return true;
				}
			}else{
				$this->view->info = $usr->getUserInfo($uid);
			}
		}//email
	}
	
	function AccountSecureParamFilter(){
		$data = array();
		$data['password'] = trim($this->_getParam('password'));
		$data['new_password'] = trim($this->_getParam('new_password'));
		$data['new_password_confrim'] = trim($this->_getParam('new_password_confrim'));
		foreach($data as $k=>$v)
		{
			$data[$k] = $this->StringFilter($v);
		}
		return $data;
	}
	
    function init()
    {
    	$this->messenger=$this->_helper->getHelper('FlashMessenger');
    }
	
    function postDispatch()
    {    	
    	//$this->view->messages = $this->messenger->getMessages();
    } 
        
    function registerAction()
    {
        $form = new RegisterForm();
        $this->view->form = $form;
        
        if ($this->_request->isPost()) {
            $formData = $this->_request->getPost();
            if ($form->isValid($formData)) {
                $ut = new UsersTable();
                $u = $ut->createRow();
                $u->username = $form->getValue('username');
                $u->password = $form->getValue('password');
                $u->email=$form->getValue('email');
                if ($form->getValue('realname'))  $u->realname=$form->getValue('realname');
                if ($form->getValue('phone')) $u->phone=$form->getValue('phone');
                if ($form->getValue('address')) $u->address=$form->getValue('address');
                if ($form->getValue('unit')) $u->unit=$form->getValue('unit');                
                if ($form->getValue('project'))  $u->project=$form->getValue('project');
                if ($u->save()) {
					
					//注册邮件
					$mail_template = "member-register-en";
					$mail_data = array(
						'name'=>$formData['username'],
					);
					
					$mail = new Mail();
					
					$mail->loadTemplate($mail_template,$mail_data);
					$mail->addTo($formData['email'],$formData['username']);
					$mail->send();

                	//自动登录系统
                	$this->login($formData['username'],$formData['password']);
                	$this->_redirect('/');
                }
            } else {
                $form->populate($formData);
            }
        }
    }
	
    function loginAction()
    {
		
		$success=false;
		
		$options = array(
			'module' 	 => $this->_request->getModuleName(),
			'controller' => $this->_request->getControllerName(),
			'action' 	 => $this->_request->getActionName(),
		);

        $auth = Zend_Auth::getInstance();
        if ($auth->hasIdentity())
		{
			view::Post($this,"您已经登录，无需重复登录",-1);
			return true;
		}
		
		$tohref = $this->_request->getParam('href');
		
		if(($options['module']=="default" && $options['controller'] == "account" && $options['action'] == "login"))
		{
			$this->view->href = $_SERVER['REQUEST_URI'];
		}
		
		if($tohref == "/account/login")
		{
			$this->view->href = $tohref = "/";
		}
		
		if(!empty($tohref))
		{
			$this->view->href = $tohref;
		}
		
		$captcha = $this->loadCaptcha();

		$submit = $this->_getParam("submit");
		if(!empty($submit))
		{
			$username = trim($this->_request->getParam('username'));
			$password = trim($this->_request->getParam('password'));
			$captchaword = trim($this->_request->getParam('captcha'));
			
			if(empty($username))
			{
				$this->setCaptcha($captcha);
				$this->view->error = "请输入用户名";
				return true;
			}
			
			if(empty($password))
			{
				$this->setCaptcha($captcha);
				$this->view->error = "请输入密码";
				return true;
			}
			
			if(empty($captchaword))
			{
				$this->setCaptcha($captcha);
				$this->view->error = "请输入验证码";
				return true;
			}

			if(!isset($_SESSION['captcha']))
			{
				$_SESSION['captcha'] = md5(time());
			}
			
			if ($captchaword != $_SESSION['captcha']) {
				$this->setCaptcha($captcha);
				$this->view->error = "验证码错误";
				return true;
			}
			
			if (!$this->login($username,$password))
			{
				$this->setCaptcha($captcha);
				$this->view->error = "用户名或密码错误";
				$this->view->userid = $username;
				return true;
			}
			else 
			{
				if(!empty($tohref))
				{
					view::Post($this,"登录成功，正在跳转",$tohref);
					return true;
				}
			}
		}else{
			$this->setCaptcha($captcha);		   
		}
		
    }
	
	function loadCaptcha()
	{
		$captcha = new Zend_Captcha_Image(array(  
			  'captcha' => 'Image',
			  'wordLen' => 4,
			  'fontsize'=>16,
			  'width' => 100,
			  'height' => 38,
			  'dotNoiseLevel'=>2,
			  'lineNoiseLevel'=>1,
			  'timeout' => 300,  
			  'font' => '../data/fonts/ggbi.ttf',  
			  'imgDir' => 'vdimg/',  
			  'imgUrl' => '/vdimg',
		   ));
		return $captcha;
	}
	
	function setCaptcha(Zend_Captcha_Image $captcha,$ajax = false){
		$captcha->generate();
		$_SESSION['captcha'] = $captcha->getWord();
		$url = $captcha->getImgUrl()
						  .$captcha->getId()
						  .$captcha->getSuffix();
		if(!$ajax)
		{
			$this->view->captcha = $url;
		}else{
			return $url;
		}
	}
	
	function captchaAction()
	{
		$this->_helper->layout->disableLayout();
		$this->_helper->viewRenderer->setNoRender();

		$captcha = $this->loadCaptcha();
		$url = $this->setCaptcha($captcha,true);
		
		echo $url;
		return true;
	}
    
    function logoutAction()
    {
    	$auth = Zend_Auth::getInstance();
    	$auth->clearIdentity();
    	require_once 'member.php';
    	$mb=new member();
    	member::flushcookie();
    	$this->_redirect('/');
    }	

    private function default_login($u,$p)
    {
    	$auth = Zend_Auth::getInstance();
    	$db=Zend_Registry::get('db');
    	
    	$authAdapter = new Zend_Auth_Adapter_DbTable($db);
    	$authAdapter->setTableName('users')
                            ->setIdentityColumn('username')
                            ->setCredentialColumn('password');
      $authAdapter->setIdentity($u)->setCredential(md5($p));
      $result = $auth->authenticate($authAdapter);
      if ($result->isValid()) {
      	 // success: store database row to auth's storage   	
         $data = $authAdapter->getResultRowObject(null,'password');
		 
		 //头像
		 include_once("Avatar.php");
		 $avatar = new Avatar();
		 $data->avatar = $avatar->Get($data->email,40);
		 
		 //组ID
		 include_once("Users.php");
		 $usr = new Users($db);
		 $data->gid = $usr->getGroup($data->id);

         $auth->getStorage()->write($data); 
         $db->query("update users set ts_last_login=now() where username=?",array($u));
         
      	 if ($this->_request->getParam('remember')) {
      	 	$sql="select usertype from users where username='$u'";
      	 	$rs=$db->query($sql);
      	 	$row=$rs->fetch();
      	 	//if($row['usertype']!='administrator')
      	 	{
				require_once 'member.php';
				$mb =  new member();
				$mb -> putcookie($u,md5($p));
      	 	}
		 }

         return true;
      }else
	  {
		  return false;
	  }
      return false;
     }
     private function aspnet_login($p,$salt,$password)
     {
       $p1=implode("\x00",str_split($p))."\x00";
       $ball=base64_decode($salt).$p1;
       return trim($password)==base64_encode(sha1($ball,true));
     }
    // 首先判断是否存在salt
    // 若有salt，则按照aspnet membership加密算法进行判断
    function login($u,$p)
    {
      $ut= new UsersTable();
      $db=$ut->getAdapter();
      $sql="select password,salt from users where username=?";
      $uq=$db->query($sql,array($u));
      if ($urow=$uq->fetchObject())
      {
        if (empty($urow->salt))
          return $this->default_login($u,$p);
        else {          
          //进行判断并进行转换到默认
          if ($this->aspnet_login($p,$urow->salt,$urow->password))
          {
            $sql="update users set password=md5(?),salt='' where username=?";
            $db->query($sql,array($p,$u));
            return $this->default_login($u,$p);
          } else 
            return false;
        }
      } else {
        //没有对应的用户，登录失败
        return false;
      }
    }
	function fetchpwdAction()
	{
      $ut= new UsersTable();
      $db=$ut->getAdapter();
		$form = new LostpwdForm();
		$key=$this->_request->getParam('key');
		$login=$this->_request->getParam('login');
		if (empty($key) && empty($login)) {
        	$this->view->form = $form;
        	if ($this->_request->isPost()) {
            $formData = $this->_request->getPost();
            if ($form->isValid($formData)) {
            	$sql="select * from users where email=?";
            	$uq=$db->query($sql,array($formData['email']));
            	if ($urow=$uq->fetchObject())
            	{
            		//email the url to user
            		$username=$urow->username;
            		$sql="update users set activation=? where email=?";
            		$uid=uniqid();
            		$db->query($sql,array($uid,$formData['email']));
					
					//发邮件
					$mail_template = "users-changepassword";
					$mail_data = array(
						'name'=>$username,
						'url' => view::getHostLink()."/account/fetchpwd/".$username."/".$uid
					);
					
					$mail = new Mail();
					
					$mail->loadTemplate($mail_template,$mail_data);
					$mail->addTo($formData['email'],$username);
					$mail->send();
				

            		$this->view->messages[]='请检查您的新邮件中的确认激活链接。';
            		$this->view->form=false;//do not echo form
            	} else             	
                	$this->messenger->addMessage('对不起，没有找到对应的电子邮件地址。');
            } 
      	} else 
          	$this->view->messages[]='请输入您的电子邮件地址。您将通过电子邮件收到新密码。';
		} else {
			$sql="select * from users where username=? and activation=?";
			$uq=$db->query($sql,array($login,$key));
			$tmp_pwd=uniqid();
			if ($urow=$uq->fetchObject())
			{
				$sql="update users set salt='',activation='',password=md5('".$tmp_pwd."') where username=? and activation=?";
				$db->query($sql,array($login,$key));
				
				//发邮件
				$mail_template = "users-changepassword";
				$mail_data = array(
					'name'=>$login,
					'tmp_pwd' => $tmp_pwd
				);
				
				$mail = new Mail();
				
				$mail->loadTemplate($mail_template,$mail_data);
				$mail->addTo($urow->email,$login);
				$mail->send();
				
            	$this->view->messages[]='请查收您新邮件中的新密码';
            	$this->view->form=false;//do not echo form
				 
			}
		}

    } //找回密码

}