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<?php |
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/** |
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* |
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* part-db version 0.1 |
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* Copyright (C) 2005 Christoph Lechner |
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* http://www.cl-projects.de/ |
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* |
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* part-db version 0.2+ |
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* Copyright (C) 2009 K. Jacobs and others (see authors.php) |
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* http://code.google.com/p/part-db/ |
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* |
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* Part-DB Version 0.4+ |
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* Copyright (C) 2016 - 2019 Jan Böhmer |
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* https://github.com/jbtronics |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the 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 General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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* |
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*/ |
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namespace App\Services; |
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use App\Entity\UserSystem\User; |
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use Symfony\Component\Security\Core\Security; |
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/** |
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* Purpose of this service is to generate a key unique for a user, to use in Cache keys and tags. |
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* @package App\Services |
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*/ |
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class UserCacheKeyGenerator |
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{ |
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protected $security; |
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public function __construct(Security $security) |
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{ |
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$this->security = $security; |
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} |
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/** |
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* Generates a key for the given user. |
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* @param User|null $user The user for which the key should be generated. When set to null, the currently logged in |
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* user is used. |
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* @return string |
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*/ |
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public function generateKey(User $user = null) : string |
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{ |
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//If no user was specified, use the currently used one. |
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if ($user === null) { |
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$user = $this->security->getUser(); |
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} |
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//If the user is null, then treat it as anonymous user. |
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//When the anonymous user is passed as user then use this path too. |
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if ($user === null || $user->getID() === User::ID_ANONYMOUS) { |
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return 'user$_' . User::ID_ANONYMOUS; |
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} |
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//In the most cases we can just use the username (its unique) |
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return "user_" . $user->getUsername(); |
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} |
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} |