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<?php /** * @link https://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license https://www.yiiframework.com/license/ / namespace yii\base; use Yii; /* * Application is the base class for all application classes. * * For more details and usage information on Application, see the [guide article on applications](guide:structure-applications). * * @property-read \yii\web\AssetManager $assetManager The asset manager application component. * @property-read \yii\rbac\ManagerInterface\|null $authManager The auth manager application component or null * if it's not configured. * @property string $basePath The root directory of the application. * @property-read \yii\caching\CacheInterface\|null $cache The cache application component. Null if the * component is not enabled. * @property-write array $container Values given in terms of name-value pairs. * @property-read \yii\db\Connection $db The database connection. * @property-read \yii\web\ErrorHandler\|\yii\console\ErrorHandler $errorHandler The error handler application * component. * @property-read \yii\i18n\Formatter $formatter The formatter application component. * @property-read \yii\i18n\I18N $i18n The internationalization application component. * @property-read \yii\log\Dispatcher $log The log dispatcher application component. * @property-read \yii\mail\MailerInterface $mailer The mailer application component. * @property-read \yii\web\Request\|\yii\console\Request $request The request component. * @property-read \yii\web\Response\|\yii\console\Response $response The response component. * @property string $runtimePath The directory that stores runtime files. Defaults to the "runtime" * subdirectory under [[basePath]]. * @property-read \yii\base\Security $security The security application component. * @property string $timeZone The time zone used by this application. * @property-read string $uniqueId The unique ID of the module. * @property-read \yii\web\UrlManager $urlManager The URL manager for this application. * @property string $vendorPath The directory that stores vendor files. Defaults to "vendor" directory under * [[basePath]]. * @property-read View\|\yii\web\View $view The view application component that is used to render various view * files. * * @author Qiang Xue <qiang.xue@gmail.com> * @since 2.0 / abstract class Application extends Module { /* * @event Event an event raised before the application starts to handle a request. / const EVENT_BEFORE_REQUEST = 'beforeRequest'; /* * @event Event an event raised after the application successfully handles a request (before the response is sent out). / const EVENT_AFTER_REQUEST = 'afterRequest'; /* * Application state used by [[state]]: application just started. / const STATE_BEGIN = 0; /* * Application state used by [[state]]: application is initializing. / const STATE_INIT = 1; /* * Application state used by [[state]]: application is triggering [[EVENT_BEFORE_REQUEST]]. / const STATE_BEFORE_REQUEST = 2; /* * Application state used by [[state]]: application is handling the request. / const STATE_HANDLING_REQUEST = 3; /* * Application state used by [[state]]: application is triggering [[EVENT_AFTER_REQUEST]].. / const STATE_AFTER_REQUEST = 4; /* * Application state used by [[state]]: application is about to send response. / const STATE_SENDING_RESPONSE = 5; /* * Application state used by [[state]]: application has ended. / const STATE_END = 6; /* * @var string the namespace that controller classes are located in. * This namespace will be used to load controller classes by prepending it to the controller class name. * The default namespace is `app\controllers`. * * Please refer to the [guide about class autoloading](guide:concept-autoloading.md) for more details. / public $controllerNamespace = 'app\\controllers'; /* * @var string the application name. / public $name = 'My Application'; /* * @var string the charset currently used for the application. / public $charset = 'UTF-8'; /* * @var string the language that is meant to be used for end users. It is recommended that you * use [IETF language tags](https://en.wikipedia.org/wiki/IETF_language_tag). For example, `en` stands * for English, while `en-US` stands for English (United States). * @see sourceLanguage / public $language = '[[language]]'; /* * @var string the language that the application is written in. This mainly refers to * the language that the messages and view files are written in. * @see language / public $sourceLanguage = 'en-US'; /* * @var Controller the currently active controller instance / public $controller; /* * @var string\|bool the layout that should be applied for views in this application. Defaults to 'main'. * If this is false, layout will be disabled. / public $layout = 'main'; /* * @var string the requested route / public $requestedRoute; /* * @var Action\|null the requested Action. If null, it means the request cannot be resolved into an action. / public $requestedAction; /* * @var array the parameters supplied to the requested action. / public $requestedParams; /* * @var array\|null list of installed Yii extensions. Each array element represents a single extension * with the following structure: * * ```php * [ * 'name' => 'extension name', * 'version' => 'version number', * 'bootstrap' => 'BootstrapClassName', // optional, may also be a configuration array * 'alias' => [ * '@alias1' => 'to/path1', * '@alias2' => 'to/path2', * ], * ] * ``` * * The "bootstrap" class listed above will be instantiated during the application * [[bootstrap()\|bootstrapping process]]. If the class implements [[BootstrapInterface]], * its [[BootstrapInterface::bootstrap()\|bootstrap()]] method will be also be called. * * If not set explicitly in the application config, this property will be populated with the contents of * `@vendor/yiisoft/extensions.php`. / public $extensions; /* * @var array list of components that should be run during the application [[bootstrap()\|bootstrapping process]]. * * Each component may be specified in one of the following formats: * * - an application component ID as specified via [[components]]. * - a module ID as specified via [[modules]]. * - a class name. * - a configuration array. * - a Closure * * During the bootstrapping process, each component will be instantiated. If the component class * implements [[BootstrapInterface]], its [[BootstrapInterface::bootstrap()\|bootstrap()]] method * will be also be called. / public $bootstrap = []; /* * @var int the current application state during a request handling life cycle. * This property is managed by the application. Do not modify this property. / public $state; /* * @var array list of loaded modules indexed by their class names. / public $loadedModules = []; /* * Constructor. * @param array $config name-value pairs that will be used to initialize the object properties. * Note that the configuration must contain both [[id]] and [[basePath]]. * @throws InvalidConfigException if either [[id]] or [[basePath]] configuration is missing. * * @phpstan-param array<string, mixed> $config * @psalm-param array<string, mixed> $config / public function __construct($config = []) { Yii::$app = $this; static::setInstance($this); $this->state = self::STATE_BEGIN; $this->preInit($config); $this->registerErrorHandler($config); Component::__construct($config); } /* * Pre-initializes the application. * This method is called at the beginning of the application constructor. * It initializes several important application properties. * If you override this method, please make sure you call the parent implementation. * @param array $config the application configuration * @throws InvalidConfigException if either [[id]] or [[basePath]] configuration is missing. / public function preInit(&$config) { if (!isset($config['id'])) { throw new InvalidConfigException('The "id" configuration for the Application is required.'); } if (isset($config['basePath'])) { $this->setBasePath($config['basePath']); unset($config['basePath']); } else { throw new InvalidConfigException('The "basePath" configuration for the Application is required.'); } if (isset($config['vendorPath'])) { $this->setVendorPath($config['vendorPath']); unset($config['vendorPath']); } else { // set "@vendor" $this->getVendorPath(); } if (isset($config['runtimePath'])) { $this->setRuntimePath($config['runtimePath']); unset($config['runtimePath']); } else { // set "@runtime" $this->getRuntimePath(); } if (isset($config['timeZone'])) { $this->setTimeZone($config['timeZone']); unset($config['timeZone']); } elseif (!ini_get('date.timezone')) { $this->setTimeZone('UTC'); } if (isset($config['container'])) { $this->setContainer($config['container']); unset($config['container']); } // merge core components with custom components foreach ($this->coreComponents() as $id => $component) { if (!isset($config['components'][$id])) { $config['components'][$id] = $component; } elseif (is_array($config['components'][$id]) && !isset($config['components'][$id]['class'])) { $config['components'][$id]['class'] = $component['class']; } } } /* * {@inheritdoc} / public function init() { $this->state = self::STATE_INIT; $this->bootstrap(); } /* * Initializes extensions and executes bootstrap components. * This method is called by [[init()]] after the application has been fully configured. * If you override this method, make sure you also call the parent implementation. / protected function bootstrap() { if ($this->extensions === null) { $file = Yii::getAlias('@vendor/yiisoft/extensions.php'); $this->extensions = is_file($file) ? include $file : []; } foreach ($this->extensions as $extension) { if (!empty($extension['alias'])) { foreach ($extension['alias'] as $name => $path) { Yii::setAlias($name, $path); } } if (isset($extension['bootstrap'])) { $component = Yii::createObject($extension['bootstrap']); if ($component instanceof BootstrapInterface) { Yii::debug('Bootstrap with ' . get_class($component) . '::bootstrap()', __METHOD__); $component->bootstrap($this); } else { Yii::debug('Bootstrap with ' . get_class($component), __METHOD__); } } } foreach ($this->bootstrap as $mixed) { $component = null; if ($mixed instanceof \Closure) { Yii::debug('Bootstrap with Closure', __METHOD__); if (!$component = call_user_func($mixed, $this)) { continue; } } elseif (is_string($mixed)) { if ($this->has($mixed)) { $component = $this->get($mixed); } elseif ($this->hasModule($mixed)) { $component = $this->getModule($mixed); } elseif (strpos($mixed, '\\') === false) { throw new InvalidConfigException("Unknown bootstrapping component ID: $mixed"); } } if (!isset($component)) { $component = Yii::createObject($mixed); } if ($component instanceof BootstrapInterface) { Yii::debug('Bootstrap with ' . get_class($component) . '::bootstrap()', __METHOD__); $component->bootstrap($this); } else { Yii::debug('Bootstrap with ' . get_class($component), __METHOD__); } } } /* * Registers the errorHandler component as a PHP error handler. * @param array $config application config / protected function registerErrorHandler(&$config) { if (YII_ENABLE_ERROR_HANDLER) { if (!isset($config['components']['errorHandler']['class'])) { echo "Error: no errorHandler component is configured.\n"; exit(1); } $this->set('errorHandler', $config['components']['errorHandler']); unset($config['components']['errorHandler']); $this->getErrorHandler()->register(); } } /* * Returns an ID that uniquely identifies this module among all modules within the current application. * Since this is an application instance, it will always return an empty string. * @return string the unique ID of the module. / public function getUniqueId() { return ''; } /* * Sets the root directory of the application and the @app alias. * This method can only be invoked at the beginning of the constructor. * @param string $path the root directory of the application. * @property string the root directory of the application. * @throws InvalidArgumentException if the directory does not exist. / public function setBasePath($path) { parent::setBasePath($path); Yii::setAlias('@app', $this->getBasePath()); } /* * Runs the application. * This is the main entrance of an application. * @return int the exit status (0 means normal, non-zero values mean abnormal) / public function run() { try { $this->state = self::STATE_BEFORE_REQUEST; $this->trigger(self::EVENT_BEFORE_REQUEST); $this->state = self::STATE_HANDLING_REQUEST; $response = $this->handleRequest($this->getRequest()); $this->state = self::STATE_AFTER_REQUEST; $this->trigger(self::EVENT_AFTER_REQUEST); $this->state = self::STATE_SENDING_RESPONSE; $response->send(); $this->state = self::STATE_END; return $response->exitStatus; } catch (ExitException $e) { $this->end($e->statusCode, isset($response) ? $response : null); return $e->statusCode; } } /* * Handles the specified request. * * This method should return an instance of [[Response]] or its child class * which represents the handling result of the request. * * @param Request $request the request to be handled * @return Response the resulting response / abstract public function handleRequest($request); private $_runtimePath; /* * Returns the directory that stores runtime files. * @return string the directory that stores runtime files. * Defaults to the "runtime" subdirectory under [[basePath]]. / public function getRuntimePath() { if ($this->_runtimePath === null) { $this->setRuntimePath($this->getBasePath() . DIRECTORY_SEPARATOR . 'runtime'); } return $this->_runtimePath; } /* * Sets the directory that stores runtime files. * @param string $path the directory that stores runtime files. / public function setRuntimePath($path) { $this->_runtimePath = Yii::getAlias($path); Yii::setAlias('@runtime', $this->_runtimePath); } private $_vendorPath; /* * Returns the directory that stores vendor files. * @return string the directory that stores vendor files. * Defaults to "vendor" directory under [[basePath]]. / public function getVendorPath() { if ($this->_vendorPath === null) { $this->setVendorPath($this->getBasePath() . DIRECTORY_SEPARATOR . 'vendor'); } return $this->_vendorPath; } /* * Sets the directory that stores vendor files. * @param string $path the directory that stores vendor files. / public function setVendorPath($path) { $this->_vendorPath = Yii::getAlias($path); Yii::setAlias('@vendor', $this->_vendorPath); Yii::setAlias('@bower', $this->_vendorPath . DIRECTORY_SEPARATOR . 'bower'); Yii::setAlias('@npm', $this->_vendorPath . DIRECTORY_SEPARATOR . 'npm'); } /* * Returns the time zone used by this application. * This is a simple wrapper of PHP function date_default_timezone_get(). * If time zone is not configured in php.ini or application config, * it will be set to UTC by default. * @return string the time zone used by this application. * @see https://www.php.net/manual/en/function.date-default-timezone-get.php / public function getTimeZone() { return date_default_timezone_get(); } /* * Sets the time zone used by this application. * This is a simple wrapper of PHP function date_default_timezone_set(). * Refer to the [php manual](https://www.php.net/manual/en/timezones.php) for available timezones. * @param string $value the time zone used by this application. * @see https://www.php.net/manual/en/function.date-default-timezone-set.php / public function setTimeZone($value) { date_default_timezone_set($value); } /* * Returns the database connection component. * @return \yii\db\Connection the database connection. / public function getDb() { return $this->get('db'); } /* * Returns the log dispatcher component. * @return \yii\log\Dispatcher the log dispatcher application component. / public function getLog() { return $this->get('log'); } /* * Returns the error handler component. * @return \yii\web\ErrorHandler\|\yii\console\ErrorHandler the error handler application component. / public function getErrorHandler() { return $this->get('errorHandler'); } /* * Returns the cache component. * @return \yii\caching\CacheInterface\|null the cache application component. Null if the component is not enabled. / public function getCache() { return $this->get('cache', false); } /* * Returns the formatter component. * @return \yii\i18n\Formatter the formatter application component. / public function getFormatter() { return $this->get('formatter'); } /* * Returns the request component. * @return \yii\web\Request\|\yii\console\Request the request component. / public function getRequest() { return $this->get('request'); } /* * Returns the response component. * @return \yii\web\Response\|\yii\console\Response the response component. / public function getResponse() { return $this->get('response'); } /* * Returns the view object. * @return View\|\yii\web\View the view application component that is used to render various view files. / public function getView() { return $this->get('view'); } /* * Returns the URL manager for this application. * @return \yii\web\UrlManager the URL manager for this application. / public function getUrlManager() { return $this->get('urlManager'); } /* * Returns the internationalization (i18n) component. * @return \yii\i18n\I18N the internationalization application component. / public function getI18n() { return $this->get('i18n'); } /* * Returns the mailer component. * @return \yii\mail\MailerInterface the mailer application component. * @throws InvalidConfigException If this component is not configured. / public function getMailer() { return $this->get('mailer'); } /* * Returns the auth manager for this application. * @return \yii\rbac\ManagerInterface\|null the auth manager application component or null if it's not configured. / public function getAuthManager() { return $this->get('authManager', false); } /* * Returns the asset manager. * @return \yii\web\AssetManager the asset manager application component. / public function getAssetManager() { return $this->get('assetManager'); } /* * Returns the security component. * @return \yii\base\Security the security application component. / public function getSecurity() { return $this->get('security'); } /* * Returns the configuration of core application components. * @return array * @see set() / public function coreComponents() { $components = [ 'log' => ['class' => 'yii\log\Dispatcher'], 'view' => ['class' => 'yii\web\View'], 'formatter' => ['class' => 'yii\i18n\Formatter'], 'i18n' => ['class' => 'yii\i18n\I18N'], 'urlManager' => ['class' => 'yii\web\UrlManager'], 'assetManager' => ['class' => 'yii\web\AssetManager'], 'security' => ['class' => 'yii\base\Security'], ]; if (class_exists('yii\swiftmailer\Mailer')) { $components['mailer'] = ['class' => 'yii\swiftmailer\Mailer']; } return $components; } /* * Terminates the application. * This method replaces the `exit()` function by ensuring the application life cycle is completed * before terminating the application. * @param int $status the exit status (value 0 means normal exit while other values mean abnormal exit). * @param Response\|null $response the response to be sent. If not set, the default application [[response]] component will be used. * @throws ExitException if the application is in testing mode / public function end($status = 0, $response = null) { if ($this->state === self::STATE_BEFORE_REQUEST \|\| $this->state === self::STATE_HANDLING_REQUEST) { $this->state = self::STATE_AFTER_REQUEST; $this->trigger(self::EVENT_AFTER_REQUEST); } if ($this->state !== self::STATE_SENDING_RESPONSE && $this->state !== self::STATE_END) { $this->state = self::STATE_END; $response = $response ?: $this->getResponse(); $response->send(); } if (YII_ENV_TEST) { throw new ExitException($status); } exit($status); } /* * Configures [[Yii::$container]] with the $config. * * @param array $config values given in terms of name-value pairs * @since 2.0.11 */ public function setContainer($config) { Yii::configure(Yii::$container, $config); } }

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