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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 SURFnet\VPN\Common\Http; |
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use SURFnet\VPN\Common\Http\Exception\HttpException; |
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/** |
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* This hook is used to be able to switch the language without requiring to be |
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* authenticated. As the language switcher is only a user preference stored in |
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* a cookie this is not a problem. This way, even the authentication page can |
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* use the language switcher. |
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*/ |
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class LanguageSwitcherHook implements BeforeHookInterface |
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{ |
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/** @var bool */ |
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private $secureCookie; |
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/** @var array */ |
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private $supportedLanguages; |
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public function __construct(array $supportedLanguages, $secureCookie = true) |
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{ |
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$this->supportedLanguages = $supportedLanguages; |
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$this->secureCookie = (bool) $secureCookie; |
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} |
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public function executeBefore(Request $request, array $hookData) |
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{ |
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if ('POST' !== $request->getRequestMethod()) { |
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return false; |
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} |
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if ('/setLanguage' !== $request->getPathInfo()) { |
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return false; |
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} |
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$language = $request->getPostParameter('setLanguage', false, 'en_US'); |
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if (!in_array($language, $this->supportedLanguages)) { |
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throw new HttpException('invalid language', 400); |
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} |
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setcookie( |
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'uiLanguage', |
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$language, |
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time() + 60 * 60 * 24 * 365, // remember for 1 year |
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$request->getRoot(), |
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$request->getServerName(), |
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$this->secureCookie, |
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true |
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); |
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// XXX do we need to validate HTTP_REFERER here? |
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return new RedirectResponse($request->getHeader('HTTP_REFERER'), 302); |
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} |
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} |
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eduvpn /
vpn-lib-common
