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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\web; |
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use Yii; |
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use yii\helpers\Url; |
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use yii\base\InvalidRouteException; |
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/** |
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* Application is the base class for all web application classes. |
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* |
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* @property ErrorHandler $errorHandler The error handler application component. This property is read-only. |
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* @property string $homeUrl The homepage URL. |
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* @property Request $request The request component. This property is read-only. |
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* @property Response $response The response component. This property is read-only. |
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* @property Session $session The session component. This property is read-only. |
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* @property User $user The user component. This property is read-only. |
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* |
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* @author Qiang Xue <[email protected]> |
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* @since 2.0 |
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*/ |
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class Application extends \yii\base\Application |
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{ |
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/** |
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* @var string the default route of this application. Defaults to 'site'. |
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*/ |
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public $defaultRoute = 'site'; |
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/** |
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* @var array the configuration specifying a controller action which should handle |
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* all user requests. This is mainly used when the application is in maintenance mode |
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* and needs to handle all incoming requests via a single action. |
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* The configuration is an array whose first element specifies the route of the action. |
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* The rest of the array elements (key-value pairs) specify the parameters to be bound |
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* to the action. For example, |
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* |
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* ```php |
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* [ |
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* 'offline/notice', |
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* 'param1' => 'value1', |
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* 'param2' => 'value2', |
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* ] |
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* ``` |
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* |
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* Defaults to null, meaning catch-all is not used. |
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*/ |
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public $catchAll; |
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/** |
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* @var Controller the currently active controller instance |
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*/ |
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public $controller; |
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/** |
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* @inheritdoc |
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*/ |
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protected function bootstrap() |
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{ |
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$request = $this->getRequest(); |
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Yii::setAlias('@webroot', dirname($request->getScriptFile())); |
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Yii::setAlias('@web', $request->getBaseUrl()); |
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parent::bootstrap(); |
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} |
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/** |
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* Handles the specified request. |
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* @param Request $request the request to be handled |
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* @return Response the resulting response |
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* @throws NotFoundHttpException if the requested route is invalid |
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*/ |
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public function handleRequest($request) |
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{ |
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if (empty($this->catchAll)) { |
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try { |
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list ($route, $params) = $request->resolve(); |
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} catch (UrlNormalizerRedirectException $e) { |
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$url = $e->url; |
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if (is_array($url)) { |
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if (isset($url[0])) { |
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// ensure the route is absolute |
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$url[0] = '/' . ltrim($url[0], '/'); |
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} |
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$url += $request->getQueryParams(); |
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} |
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return $this->getResponse()->redirect(Url::to($url, $e->scheme), $e->statusCode); |
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} |
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} else { |
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$route = $this->catchAll[0]; |
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$params = $this->catchAll; |
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unset($params[0]); |
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} |
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try { |
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Yii::trace("Route requested: '$route'", __METHOD__); |
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$this->requestedRoute = $route; |
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$result = $this->runAction($route, $params); |
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if ($result instanceof Response) { |
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return $result; |
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} else { |
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$response = $this->getResponse(); |
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if ($result !== null) { |
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$response->data = $result; |
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} |
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return $response; |
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} |
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} catch (InvalidRouteException $e) { |
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throw new NotFoundHttpException(Yii::t('yii', 'Page not found.'), $e->getCode(), $e); |
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} |
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} |
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private $_homeUrl; |
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/** |
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* @return string the homepage URL |
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*/ |
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public function getHomeUrl() |
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{ |
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if ($this->_homeUrl === null) { |
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if ($this->getUrlManager()->showScriptName) { |
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return $this->getRequest()->getScriptUrl(); |
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} else { |
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return $this->getRequest()->getBaseUrl() . '/'; |
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} |
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} else { |
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return $this->_homeUrl; |
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} |
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} |
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/** |
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* @param string $value the homepage URL |
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*/ |
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public function setHomeUrl($value) |
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{ |
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$this->_homeUrl = $value; |
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} |
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/** |
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* Returns the error handler component. |
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* @return ErrorHandler the error handler application component. |
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*/ |
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public function getErrorHandler() |
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{ |
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return $this->get('errorHandler'); |
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} |
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/** |
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* Returns the request component. |
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* @return Request the request component. |
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*/ |
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public function getRequest() |
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{ |
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return $this->get('request'); |
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} |
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/** |
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* Returns the response component. |
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* @return Response the response component. |
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*/ |
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public function getResponse() |
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{ |
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return $this->get('response'); |
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} |
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/** |
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* Returns the session component. |
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* @return Session the session component. |
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*/ |
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public function getSession() |
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{ |
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return $this->get('session'); |
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} |
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/** |
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* Returns the user component. |
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* @return User the user component. |
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*/ |
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public function getUser() |
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{ |
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return $this->get('user'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function coreComponents() |
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{ |
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return array_merge(parent::coreComponents(), [ |
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'request' => ['class' => Request::class], |
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'response' => ['class' => Response::class], |
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'session' => ['class' => Session::class], |
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'user' => ['class' => User::class], |
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'errorHandler' => ['class' => ErrorHandler::class], |
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]); |
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} |
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} |
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yiisoft /
yii2
