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<?php |
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/** |
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* @copyright Copyright (c) 2017 Matthias Held <[email protected]> |
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* @author Matthias Held <[email protected]> |
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* @license GNU AGPL version 3 or any later version |
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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 <https://www.gnu.org/licenses/>. |
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*/ |
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namespace OCA\RansomwareDetection; |
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use OCA\RansomwareDetection\Analyzer\FileExtensionResult; |
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use OCA\RansomwareDetection\Analyzer\EntropyResult; |
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use OCA\RansomwareDetection\Db\FileOperationMapper; |
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use OCA\RansomwareDetection\Service\FileOperationService; |
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use OCP\ILogger; |
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class Classifier |
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{ |
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/** |
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* File suspicion levels. |
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* |
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* @var int |
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*/ |
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const SUSPICIOUS = 3; |
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const MAYBE_SUSPICIOUS = 2; |
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const NOT_SUSPICIOUS = 1; |
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const NO_INFORMATION = 0; |
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/** @var ILogger */ |
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private $logger; |
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/** @var FileOperationMapper */ |
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private $mapper; |
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/** @var FileOperationService */ |
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private $service; |
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/** |
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* @param ILogger $logger |
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* @param FileOperationMapper $mapper |
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* @param FileOperationService $service |
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*/ |
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public function __construct( |
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ILogger $logger, |
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FileOperationMapper $mapper, |
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FileOperationService $service |
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) { |
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$this->logger = $logger; |
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$this->mapper = $mapper; |
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$this->service = $service; |
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} |
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/** |
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* Classifies a file. |
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* |
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* @param Entity $file |
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* |
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* @return Entity Classified file. |
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*/ |
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public function classifyFile($file) |
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{ |
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$file->setSuspicionClass(self::NO_INFORMATION); |
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if ($file->getCommand() === Monitor::WRITE || |
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$file->getCommand() === Monitor::RENAME || |
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$file->getCommand() === Monitor::DELETE || |
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$file->getCommand() === Monitor::CREATE |
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) { |
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if ($file->getFileClass() === EntropyResult::ENCRYPTED) { |
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if ($file->getFileExtensionClass() === FileExtensionResult::SUSPICIOUS) { |
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$file->setSuspicionClass(self::SUSPICIOUS); |
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} else { |
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$file->setSuspicionClass(self::MAYBE_SUSPICIOUS); |
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} |
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} elseif ($file->getFileClass() === EntropyResult::COMPRESSED) { |
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if ($file->getFileExtensionClass() === FileExtensionResult::SUSPICIOUS) { |
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$file->setSuspicionClass(self::MAYBE_SUSPICIOUS); |
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} else { |
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$file->setSuspicionClass(self::NOT_SUSPICIOUS); |
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} |
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} else { |
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$file->setSuspicionClass(self::NOT_SUSPICIOUS); |
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} |
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} |
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return $file; |
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} |
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} |
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undo-ransomware /
ransomware_detection
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths