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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony). |
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* |
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* Copyright (C) 2019 - 2020 Jan Böhmer (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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namespace App\Services\LogSystem; |
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use App\Entity\LogSystem\AbstractLogEntry; |
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use App\Entity\UserSystem\User; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Symfony\Component\Security\Core\Security; |
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class EventLogger |
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{ |
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protected $minimum_log_level; |
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protected $blacklist; |
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protected $whitelist; |
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protected $em; |
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protected $security; |
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public function __construct(int $minimum_log_level, array $blacklist, array $whitelist, EntityManagerInterface $em, Security $security) |
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{ |
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$this->minimum_log_level = $minimum_log_level; |
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$this->blacklist = $blacklist; |
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$this->whitelist = $whitelist; |
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$this->em = $em; |
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$this->security = $security; |
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} |
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/** |
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* Adds the given log entry to the Log, if the entry fullfills the global configured criterias. |
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* The change will not be flushed yet. |
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* |
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* @return bool Returns true, if the event was added to log. |
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*/ |
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public function log(AbstractLogEntry $logEntry): bool |
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{ |
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$user = $this->security->getUser(); |
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//If the user is not specified explicitly, set it to the current user |
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if ((null === $user || $user instanceof User) && null === $logEntry->getUser()) { |
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if (null === $user) { |
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$repo = $this->em->getRepository(User::class); |
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$user = $repo->getAnonymousUser(); |
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} |
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//If no anonymous user is available skip the log (needed for data fixtures) |
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if (null === $user) { |
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return false; |
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} |
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$logEntry->setUser($user); |
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} |
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if ($this->shouldBeAdded($logEntry)) { |
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$this->em->persist($logEntry); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Adds the given log entry to the Log, if the entry fullfills the global configured criterias and flush afterwards. |
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* |
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* @return bool Returns true, if the event was added to log. |
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*/ |
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public function logAndFlush(AbstractLogEntry $logEntry): bool |
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{ |
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$tmp = $this->log($logEntry); |
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$this->em->flush(); |
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return $tmp; |
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} |
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public function shouldBeAdded( |
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AbstractLogEntry $logEntry, |
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?int $minimum_log_level = null, |
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?array $blacklist = null, |
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?array $whitelist = null |
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): bool { |
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//Apply the global settings, if nothing was specified |
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$minimum_log_level = $minimum_log_level ?? $this->minimum_log_level; |
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$blacklist = $blacklist ?? $this->blacklist; |
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$whitelist = $whitelist ?? $this->whitelist; |
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//Dont add the entry if it does not reach the minimum level |
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if ($logEntry->getLevel() > $minimum_log_level) { |
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return false; |
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} |
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//Check if the event type is black listed |
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if (! empty($blacklist) && $this->isObjectClassInArray($logEntry, $blacklist)) { |
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return false; |
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} |
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//Check for whitelisting |
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if (! empty($whitelist) && ! $this->isObjectClassInArray($logEntry, $whitelist)) { |
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return false; |
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} |
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// By default all things should be added |
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return true; |
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} |
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/** |
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* Check if the object type is given in the classes array. This also works for inherited types. |
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* |
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* @param object $object The object which should be checked |
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* @param string[] $classes The list of class names that should be used for checking. |
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* |
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* @return bool |
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*/ |
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protected function isObjectClassInArray(object $object, array $classes): bool |
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{ |
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//Check if the class is directly in the classes array |
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if (in_array(get_class($object), $classes, true)) { |
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return true; |
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} |
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//Iterate over all classes and check for inheritance |
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foreach ($classes as $class) { |
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if (is_a($object, $class)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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Part-DB /
Part-DB-symfony
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