cakephp ajax请求中的Cookie问题？

Question

我正在使用我的cakephp应用程序中的auth组件实现Ajax登录。除了记住我，一切都很好。

我正在尝试使用Cookie组件设置Cookie，但似乎没有发送带响应的Cookie。

我在会话变量中尝试了其他设置域，路径和用户代理检查错误，但它没有工作。

如果我使用setcookie方法，那么它会在响应中发送cookie（但我需要cakephp cookie，因为我在cookie中保存数组）

以下是我正在使用的代码：

public function beforeFilter() {
    parent::beforeFilter();

    $this->Cookie->path = '/';
    $this->Cookie->httpOnly = true;


    if (!$this->Auth->loggedIn() && $this->Cookie->read('rememberMe')) {

        $cookie = $this->Cookie->read('rememberMe');

        $user = $this->User->find('first', array(
            'conditions' => array(
                'User.username' => $cookie['username'],
                'User.password' => $cookie['password']
            )
        ));

        if ($user && !$this->Auth->login($user['User'])) {
            $this->redirect(array('action' => 'logout')); // destroy session &   cookie
        } else {
            $this->redirect($this->Auth->redirectUrl()); // redirect to Auth.redirect if it is set, else to Auth.loginRedirect ('/users/userhome') if it is set, else to /
        }
    }
}

这是登录功能代码：

if ($this->Auth->login()) {
    Croogo::dispatchEvent('Controller.Users.loginSuccessful', $this);
    if ($this->request->data['User']['remember_me'] == 1) {
        $cookieTime = "2 months"; // You can do e.g: 1 week, 17 weeks, 14 days
        // remove "remember me checkbox"
        unset($this->request->data['User']['remember_me']);
        // hash the user's password
        $this->request->data['User']['password'] = $this->Auth->password($this->request->data['User']['password']);
        // write the cookie
        $this->Cookie->write('rememberMe', $this->request->data['User'], true, $cookieTime);

    }
    $response['status'] = 'success';
    $response['redirect_url'] = Router::url(array('action' => 'dashboard'), true);
    $response['action'] = 'login';
    $response['message'] = __d('sharbook', 'You have logged in successfully. Please stand by...');
    echo json_encode($response);
}

请帮我解决问题。

Answer 1

首先，您应该在应用程序中启用调试模式（Configure::write('debug', 2)），或者检查调试日志，然后您就会看到您正在获得＆＃34; 无法修改标题信息 - 已发送的标题＆＃34;警告。

不要使用echo等手动输出数据

除了会话启动时立即发送的会话cookie之外，正常的cookie在CakeResponse对象（控制器中为$this->response）排队，直到after the controller action has been executed为止，所以控制器操作中的echo将导致标头和数据被发送，因此无法再发送cookie标头。

使用视图或CakeResponse对象

简单修复，使用JSON view功能（推荐）

class YourController extends AppController {
    public $components = array('RequestHandler');

    // ...

    public function login() {
        // ...

        if ($this->Auth->login()) {
            // ...

            $response['status'] = 'success';
            $response['redirect_url'] = Router::url(array('action' => 'dashboard'), true);
            $response['action'] = 'login';
            $response['message'] = __d('sharbook', 'You have logged in successfully. Please stand by...');

            $this->set('response', $response);
            $this->set('_serialize', array('response'));
        }
    }
}

或在the response object

上正确设置回复正文

$this->response->body(json_encode($response));
$this->response->type('json');

以便在调度操作后CakeResponse::send()（将首先正确发送Cookie标头）发送数据。