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<?php |
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/** |
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* Copyright (C) 2016 SURFnet. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace fkooman\RemoteStorage\Http; |
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use fkooman\RemoteStorage\Http\Exception\HttpException; |
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use fkooman\RemoteStorage\Http\Exception\InputValidationException; |
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use fkooman\RemoteStorage\TplInterface; |
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class Service |
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{ |
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/** @var \fkooman\RemoteStorage\TplInterface|null */ |
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private $tpl = null; |
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/** @var array */ |
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private $routes = [ |
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'GET' => [], |
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'POST' => [], |
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]; |
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/** @var array */ |
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private $beforeHooks = []; |
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/** @var array */ |
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private $afterHooks = []; |
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public function setTpl(TplInterface $tpl) |
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{ |
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$this->tpl = $tpl; |
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} |
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public function addBeforeHook($name, BeforeHookInterface $beforeHook) |
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{ |
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$this->beforeHooks[$name] = $beforeHook; |
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} |
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public function addAfterHook($name, AfterHookInterface $afterHook) |
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{ |
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$this->afterHooks[$name] = $afterHook; |
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} |
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public function addRoute($requestMethod, $pathInfo, callable $callback) |
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{ |
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$this->routes[$requestMethod][$pathInfo] = $callback; |
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} |
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public function get($pathInfo, callable $callback) |
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{ |
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$this->addRoute('GET', $pathInfo, $callback); |
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} |
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public function post($pathInfo, callable $callback) |
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{ |
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$this->addRoute('POST', $pathInfo, $callback); |
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} |
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public function addModule(ServiceModuleInterface $module) |
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{ |
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$module->init($this); |
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} |
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public function run(Request $request) |
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{ |
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try { |
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// before hooks |
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$hookData = []; |
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foreach ($this->beforeHooks as $k => $v) { |
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$hookResponse = $v->executeBefore($request, $hookData); |
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// if we get back a Response object, return it immediately |
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if ($hookResponse instanceof Response) { |
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// run afterHooks |
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return $this->runAfterHooks($request, $hookResponse); |
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} |
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$hookData[$k] = $hookResponse; |
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} |
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$requestMethod = $request->getRequestMethod(); |
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$pathInfo = $request->getPathInfo(); |
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if (!array_key_exists($requestMethod, $this->routes)) { |
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throw new HttpException( |
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sprintf('method "%s" not allowed', $requestMethod), |
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405, |
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['Allow' => implode(',', array_keys($this->routes))] |
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); |
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} |
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if (!array_key_exists($pathInfo, $this->routes[$requestMethod])) { |
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if (!array_key_exists('*', $this->routes[$requestMethod])) { |
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throw new HttpException( |
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sprintf('"%s" not found', $pathInfo), |
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404 |
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); |
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} |
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$pathInfo = '*'; |
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} |
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$response = $this->routes[$requestMethod][$pathInfo]($request, $hookData); |
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// after hooks |
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return $this->runAfterHooks($request, $response); |
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} catch (InputValidationException $e) { |
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// in case an InputValidationException is encountered, convert it |
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// into a Bad Request HTTP response |
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throw new HttpException($e->getMessage(), 400); |
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} catch (HttpException $e) { |
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if ($request->isBrowser()) { |
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if (is_null($this->tpl)) { |
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// template not available |
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$response = new Response($e->getCode(), 'text/plain'); |
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$response->setBody(sprintf('%d: %s', $e->getCode(), $e->getMessage())); |
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} else { |
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// template available |
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$response = new HtmlResponse( |
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$this->tpl->render( |
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'errorPage', |
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[ |
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'code' => $e->getCode(), |
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'message' => $e->getMessage(), |
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] |
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), |
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$e->getCode() |
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); |
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} |
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} else { |
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// not a browser |
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$response = new JsonResponse( |
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['error' => $e->getMessage()], |
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$e->getCode() |
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); |
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} |
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foreach ($e->getResponseHeaders() as $key => $value) { |
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$response->addHeader($key, $value); |
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} |
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// after hooks |
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return $this->runAfterHooks($request, $response); |
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} |
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} |
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private function runAfterHooks(Request $request, Response $response) |
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{ |
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foreach ($this->afterHooks as $v) { |
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$response = $v->executeAfter($request, $response); |
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} |
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return $response; |
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} |
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} |
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fkooman /
php-remote-storage
