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<?php |
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/** |
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* @author Jared King <[email protected]> |
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* |
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* @see http://jaredtking.com |
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* |
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* @copyright 2015 Jared King |
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* @license MIT |
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*/ |
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namespace Infuse; |
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use Infuse\Middleware\DispatchMiddleware; |
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use Pimple\Container; |
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use SplStack; |
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use Symfony\Component\HttpFoundation\Request as SymfonyRequest; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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class Application extends Container implements HttpKernelInterface |
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{ |
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const ENV_PRODUCTION = 'production'; |
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const ENV_DEVELOPMENT = 'development'; |
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const ENV_TEST = 'test'; |
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/** |
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* @staticvar array |
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*/ |
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protected static $baseConfig = [ |
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'app' => [ |
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'title' => 'Infuse', |
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'ssl' => false, |
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'port' => 80, |
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], |
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'services' => [ |
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// these services are required but can be overriden |
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'exception_handler' => 'Infuse\Services\ExceptionHandler', |
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'locale' => 'Infuse\Services\Locale', |
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'logger' => 'Infuse\Services\Logger', |
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'method_not_allowed_handler' => 'Infuse\Services\MethodNotAllowedHandler', |
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'not_found_handler' => 'Infuse\Services\NotFoundHandler', |
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'php_error_handler' => 'Infuse\Services\PhpErrorHandler', |
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'router' => 'Infuse\Services\Router', |
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'route_resolver' => 'Infuse\Services\RouteResolver', |
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'view_engine' => 'Infuse\Services\ViewEngine', |
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], |
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'i18n' => [ |
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'locale' => 'en', |
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], |
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'console' => [ |
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'commands' => [], |
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], |
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]; |
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/** |
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* @staticvar Application |
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*/ |
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private static $default; |
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/** |
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* @var SplStack |
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*/ |
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private $middleware; |
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/** |
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* @param array $settings |
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* @param string $environment |
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*/ |
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public function __construct(array $settings = [], $environment = self::ENV_DEVELOPMENT) |
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{ |
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parent::__construct(); |
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if (!defined('INFUSE_BASE_DIR')) { |
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die('INFUSE_BASE_DIR has not been defined!'); |
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} |
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/* Load Configuration */ |
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$configWithDirs = [ |
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'dirs' => [ |
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'app' => INFUSE_BASE_DIR.'/app', |
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'assets' => INFUSE_BASE_DIR.'/assets', |
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'public' => INFUSE_BASE_DIR.'/public', |
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'temp' => INFUSE_BASE_DIR.'/temp', |
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'views' => INFUSE_BASE_DIR.'/views', |
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], |
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]; |
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$settings = array_replace_recursive( |
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static::$baseConfig, |
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$configWithDirs, |
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$settings); |
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$config = new Config($settings); |
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$this['config'] = $config; |
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$this['environment'] = $environment; |
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/* Base URL */ |
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$this['base_url'] = function () use ($config) { |
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$url = (($config->get('app.ssl')) ? 'https' : 'http').'://'; |
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$url .= $config->get('app.hostname'); |
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$port = $config->get('app.port'); |
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$url .= ((!in_array($port, [0, 80, 443])) ? ':'.$port : '').'/'; |
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return $url; |
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}; |
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/* Services */ |
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foreach ($config->get('services') as $name => $class) { |
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$this[$name] = new $class($this); |
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} |
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// set the last created app instance |
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self::$default = $this; |
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} |
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/** |
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* Gets the last created Application instance. |
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* |
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* @return Application |
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*/ |
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public static function getDefault() |
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{ |
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return self::$default; |
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} |
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//////////////////////// |
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// ROUTING |
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//////////////////////// |
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/** |
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* Adds a handler to the routing table for a given GET route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function get($route, $handler) |
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{ |
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$this['router']->get($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given POST route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function post($route, $handler) |
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{ |
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$this['router']->post($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given PUT route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function put($route, $handler) |
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{ |
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$this['router']->put($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given DELETE route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function delete($route, $handler) |
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{ |
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$this['router']->delete($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given PATCH route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function patch($route, $handler) |
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{ |
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$this['router']->patch($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given OPTIONS route. |
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* |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function options($route, $handler) |
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{ |
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$this['router']->options($route, $handler); |
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return $this; |
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} |
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/** |
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* Adds a handler to the routing table for a given route. |
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* |
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* @param string $method HTTP method |
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* @param string $route path pattern |
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* @param mixed $handler route handler |
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* |
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* @return self |
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*/ |
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public function map($method, $route, $handler) |
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{ |
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$this['router']->map($method, $route, $handler); |
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return $this; |
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} |
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//////////////////////// |
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// REQUESTS |
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//////////////////////// |
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/** |
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* Runs the application. |
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* |
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* @return self |
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*/ |
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public function run() |
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{ |
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$req = Request::createFromGlobals(); |
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$this->handleRequest($req)->send(); |
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return $this; |
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} |
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/** |
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* Builds a response to an incoming request by routing |
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* it through the application. |
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* |
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* @param Request $req |
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* |
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* @return Response |
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*/ |
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public function handleRequest(Request $req) |
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{ |
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// set host name from request if not already set |
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$config = $this['config']; |
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if (!$config->get('app.hostname')) { |
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$config->set('app.hostname', $req->host()); |
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} |
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$res = new Response(); |
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try { |
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// determine route by dispatching to router |
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$routeInfo = $this['router']->dispatch($req->method(), $req->path()); |
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$this['routeInfo'] = $routeInfo; |
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// set any route arguments on the request |
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if (isset($routeInfo[2])) { |
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$req->setParams($routeInfo[2]); |
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} |
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// the dispatch middleware is the final step |
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$dispatch = new DispatchMiddleware(); |
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$dispatch->setApp($this); |
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$this->middleware($dispatch); |
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// the request is handled by returning the response |
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// generated by the middleware chain |
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return $this->runMiddleware($req, $res); |
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} catch (\Exception $e) { |
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return $this['exception_handler']($req, $res, $e); |
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} catch (\Error $e) { |
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return $this['php_error_handler']($req, $res, $e); |
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} |
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} |
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//////////////////////// |
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// MIDDLEWARE |
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//////////////////////// |
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/** |
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* Adds middleware to the application. |
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* |
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* The middleware must be callable / invokable with the following |
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* method signature: |
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* middlewareFn(Request $req, Response $res, callable $next) |
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* |
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* Middleware is called in LIFO order. Each middleware step |
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* is expected to return a Response object. In order to continue |
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* processing the middleware chain then call $next($req, $res). |
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* If a middleware is to be the final step then simply return |
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* a Response object instead of calling $next. |
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* |
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* @param callable $middleware |
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* |
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* @return self |
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*/ |
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public function middleware(callable $middleware) |
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{ |
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$this->initMiddleware()->unshift($middleware); |
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return $this; |
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} |
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/** |
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328
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* Runs the middleware chain. |
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* |
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* @param Request $req |
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* @param Response $res |
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* |
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* @return Response $res |
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*/ |
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public function runMiddleware(Request $req, Response $res) |
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{ |
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$this->initMiddleware()->rewind(); |
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return $this->nextMiddleware($req, $res); |
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} |
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/** |
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* Initializes the middleware stack. |
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* |
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345
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* @return SplStack |
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346
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*/ |
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347
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private function initMiddleware() |
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348
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{ |
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349
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// only need to initialize once |
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350
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if (!$this->middleware) { |
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351
|
|
|
$this->middleware = new SplStack(); |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
return $this->middleware; |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
/** |
|
358
|
|
|
* Calls the next middleware in the chain. |
|
359
|
|
|
* DO NOT call directly. |
|
360
|
|
|
* |
|
361
|
|
|
* @param Request $req |
|
362
|
|
|
* @param Response $res |
|
363
|
|
|
* |
|
364
|
|
|
* @return Response |
|
365
|
|
|
*/ |
|
366
|
|
|
public function nextMiddleware(Request $req, Response $res) |
|
367
|
|
|
{ |
|
368
|
|
|
$middleware = $this->middleware->current(); |
|
369
|
|
|
|
|
370
|
|
|
// base case - no middleware left |
|
371
|
|
|
if (!$middleware) { |
|
372
|
|
|
return $res; |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
// otherwise, call next middleware |
|
376
|
|
|
$this->middleware->next(); |
|
377
|
|
|
|
|
378
|
|
|
return $middleware($req, $res, [$this, 'nextMiddleware']); |
|
379
|
|
|
} |
|
380
|
|
|
|
|
381
|
|
|
//////////////////////// |
|
382
|
|
|
// Console |
|
383
|
|
|
//////////////////////// |
|
384
|
|
|
|
|
385
|
|
|
/** |
|
386
|
|
|
* Gets a console instance for this application. |
|
387
|
|
|
* |
|
388
|
|
|
* @return \Infuse\Console\Application |
|
389
|
|
|
*/ |
|
390
|
|
|
public function getConsole() |
|
391
|
|
|
{ |
|
392
|
|
|
return new Console\Application($this); |
|
393
|
|
|
} |
|
394
|
|
|
|
|
395
|
|
|
//////////////////////// |
|
396
|
|
|
// Magic Methods |
|
397
|
|
|
//////////////////////// |
|
398
|
|
|
|
|
399
|
|
|
public function __get($k) |
|
400
|
|
|
{ |
|
401
|
|
|
return $this[$k]; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
public function __isset($k) |
|
405
|
|
|
{ |
|
406
|
|
|
return isset($this[$k]); |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
//////////////////////// |
|
410
|
|
|
// HttpKernelInterface |
|
411
|
|
|
//////////////////////// |
|
412
|
|
|
|
|
413
|
|
|
public function handle(SymfonyRequest $request, $type = self::MASTER_REQUEST, $catch = true) |
|
414
|
|
|
{ |
|
415
|
|
|
$bridge = new SymfonyHttpBridge(); |
|
416
|
|
|
$req = $bridge->convertSymfonyRequest($request); |
|
417
|
|
|
|
|
418
|
|
|
return $bridge->convertInfuseResponse($this->handleRequest($req)); |
|
419
|
|
|
} |
|
420
|
|
|
} |
|
421
|
|
|
|