/** * @brief if the file was really deleted we remove the encryption keys * @param array $params * @return boolean */ public static function postDelete($params) { if (!isset(self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]])) { return true; } $deletedFile = self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]]; $path = $deletedFile['path']; $user = $deletedFile['uid']; // we don't need to remember the file any longer unset(self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]]); $view = new \OC\Files\View('/'); // return if the file still exists and wasn't deleted correctly if ($view->file_exists('/' . $user . '/files/' . $path)) { return true; } // Disable encryption proxy to prevent recursive calls $proxyStatus = \OC_FileProxy::$enabled; \OC_FileProxy::$enabled = false; // Delete keyfile & shareKey so it isn't orphaned if (!Keymanager::deleteFileKey($view, $path, $user)) { \OCP\Util::writeLog('Encryption library', 'Keyfile or shareKey could not be deleted for file "' . $user . '/files/' . $path . '"', \OCP\Util::ERROR); } Keymanager::delAllShareKeys($view, $user, $path); \OC_FileProxy::$enabled = $proxyStatus; }
function testDelAllShareKeysFile() { $this->view->mkdir('/' . Test_Encryption_Keymanager::TEST_USER . '/files/folder1'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files/folder1/existingFile.txt', 'data'); // create folder structure for some dummy share key files $this->view->mkdir('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1'); // create some dummy share keys for the existing file $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user1.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user2.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user3.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.' . Test_Encryption_Keymanager::TEST_USER . '.shareKey', 'data'); // create some dummy share keys for a non-existing file $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user1.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user2.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user3.shareKey', 'data'); $this->view->file_put_contents('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.' . Test_Encryption_Keymanager::TEST_USER . '.shareKey', 'data'); // try to del all share keys from a existing file, should fail because the file still exists $result = Encryption\Keymanager::delAllShareKeys($this->view, Test_Encryption_Keymanager::TEST_USER, 'folder1/existingFile.txt'); $this->assertFalse($result); // check if share keys still exists $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.' . Test_Encryption_Keymanager::TEST_USER . '.shareKey')); $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user1.shareKey')); $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user2.shareKey')); $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/existingFile.txt.user3.shareKey')); // try to del all share keys from file, should succeed because the does not exist any more $result2 = Encryption\Keymanager::delAllShareKeys($this->view, Test_Encryption_Keymanager::TEST_USER, 'folder1/nonexistingFile.txt'); $this->assertTrue($result2); // check if share keys are really gone $this->assertFalse($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.' . Test_Encryption_Keymanager::TEST_USER . '.shareKey')); // check that it only deleted keys or users who had access, others remain $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user1.shareKey')); $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user2.shareKey')); $this->assertTrue($this->view->file_exists('/' . Test_Encryption_Keymanager::TEST_USER . '/files_encryption/share-keys/folder1/nonexistingFile.txt.user3.shareKey')); // cleanup $this->view->deleteAll('/' . Test_Encryption_Keymanager::TEST_USER . '/files/folder1'); }