PHP OC_FileProxy::enabled方法代码示例

 public function stream_open($path, $mode, $options, &$opened_path)
 {
     if (!self::$rootView) {
         self::$rootView = new OC_FilesystemView('');
     }
     $path = str_replace('crypt://', '', $path);
     if (dirname($path) == 'streams' and isset(self::$sourceStreams[basename($path)])) {
         $this->source = self::$sourceStreams[basename($path)]['stream'];
         $this->path = self::$sourceStreams[basename($path)]['path'];
         $this->size = self::$sourceStreams[basename($path)]['size'];
     } else {
         $this->path = $path;
         if ($mode == 'w' or $mode == 'w+' or $mode == 'wb' or $mode == 'wb+') {
             $this->size = 0;
         } else {
             $this->size = self::$rootView->filesize($path, $mode);
         }
         OC_FileProxy::$enabled = false;
         //disable fileproxies so we can open the source file
         $this->source = self::$rootView->fopen($path, $mode);
         OC_FileProxy::$enabled = true;
         if (!is_resource($this->source)) {
             OCP\Util::writeLog('files_encryption', 'failed to open ' . $path, OCP\Util::ERROR);
         }
     }
     if (is_resource($this->source)) {
         $this->meta = stream_get_meta_data($this->source);
     }
     return is_resource($this->source);
 }

 /**
  * if session is started, check if ownCloud key pair is set up, if not create it
  * @param \OC\Files\View $view
  *
  * @note The ownCloud key pair is used to allow public link sharing even if encryption is enabled
  */
 public function __construct($view)
 {
     $this->view = $view;
     if (!$this->view->is_dir('files_encryption')) {
         $this->view->mkdir('files_encryption');
     }
     $appConfig = \OC::$server->getAppConfig();
     $publicShareKeyId = Helper::getPublicShareKeyId();
     if ($publicShareKeyId === false) {
         $publicShareKeyId = 'pubShare_' . substr(md5(time()), 0, 8);
         $appConfig->setValue('files_encryption', 'publicShareKeyId', $publicShareKeyId);
     }
     if (!Keymanager::publicShareKeyExists($view)) {
         $keypair = Crypt::createKeypair();
         // Save public key
         Keymanager::setPublicKey($keypair['publicKey'], $publicShareKeyId);
         // Encrypt private key empty passphrase
         $cipher = Helper::getCipher();
         $encryptedKey = Crypt::symmetricEncryptFileContent($keypair['privateKey'], '', $cipher);
         if ($encryptedKey) {
             Keymanager::setPrivateSystemKey($encryptedKey, $publicShareKeyId);
         } else {
             \OCP\Util::writeLog('files_encryption', 'Could not create public share keys', \OCP\Util::ERROR);
         }
     }
     if (Helper::isPublicAccess() && !self::getPublicSharePrivateKey()) {
         // Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $encryptedKey = Keymanager::getPrivateSystemKey($publicShareKeyId);
         $privateKey = Crypt::decryptPrivateKey($encryptedKey, '');
         self::setPublicSharePrivateKey($privateKey);
         \OC_FileProxy::$enabled = $proxyStatus;
     }
 }

 protected function getDocumentHash($view, $path)
 {
     $this->validate($view, $path);
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     $hash = sha1($view->file_get_contents($path));
     \OC_FileProxy::$enabled = $proxyStatus;
     return $hash;
 }

 public function testSimple()
 {
     $file = OC::$SERVERROOT . '/3rdparty/MDB2.php';
     $original = file_get_contents($file);
     OC_Filesystem::file_put_contents('/file', $original);
     OC_FileProxy::$enabled = false;
     $stored = OC_Filesystem::file_get_contents('/file');
     OC_FileProxy::$enabled = true;
     $fromFile = OC_Filesystem::file_get_contents('/file');
     $this->assertNotEqual($original, $stored);
     $this->assertEqual($original, $fromFile);
 }

 public static function createkey($username, $passcode)
 {
     // generate a random key
     $key = mt_rand(10000, 99999) . mt_rand(10000, 99999) . mt_rand(10000, 99999) . mt_rand(10000, 99999);
     // encrypt the key with the passcode of the user
     $enckey = OC_Crypt::encrypt($key, $passcode);
     // Write the file
     $proxyEnabled = OC_FileProxy::$enabled;
     OC_FileProxy::$enabled = false;
     $view = new OC_FilesystemView('/' . $username);
     $view->file_put_contents('/encryption.key', $enckey);
     OC_FileProxy::$enabled = $proxyEnabled;
 }

 /**
  * write key to disk
  *
  *
  * @param string $path path to key directory
  * @param string $name key name
  * @param string $key key
  * @param \OC\Files\View $view
  * @return bool
  */
 private static function setKey($path, $name, $key, $view)
 {
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     self::keySetPreparation($view, $path);
     $pathToKey = \OC\Files\Filesystem::normalizePath($path . '/' . $name);
     $result = $view->file_put_contents($pathToKey, $key);
     \OC_FileProxy::$enabled = $proxyStatus;
     if (is_int($result) && $result > 0) {
         self::$key_cache[$pathToKey] = $key;
         return true;
     }
     return false;
 }

 public function set($key, $value, $ttl = 0)
 {
     $storage = $this->getStorage();
     $result = false;
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     if ($storage and $storage->file_put_contents($key, $value)) {
         if ($ttl === 0) {
             $ttl = 86400;
             // 60*60*24
         }
         $result = $storage->touch($key, time() + $ttl);
     }
     \OC_FileProxy::$enabled = $proxyStatus;
     return $result;
 }

 /**
  * if session is started, check if ownCloud key pair is set up, if not create it
  * @param \OC\Files\View $view
  *
  * @note The ownCloud key pair is used to allow public link sharing even if encryption is enabled
  */
 public function __construct($view)
 {
     $this->view = $view;
     if (!$this->view->is_dir('owncloud_private_key')) {
         $this->view->mkdir('owncloud_private_key');
     }
     $appConfig = \OC::$server->getAppConfig();
     $publicShareKeyId = $appConfig->getValue('files_encryption', 'publicShareKeyId');
     if ($publicShareKeyId === null) {
         $publicShareKeyId = 'pubShare_' . substr(md5(time()), 0, 8);
         $appConfig->setValue('files_encryption', 'publicShareKeyId', $publicShareKeyId);
     }
     if (!$this->view->file_exists("/public-keys/" . $publicShareKeyId . ".public.key") || !$this->view->file_exists("/owncloud_private_key/" . $publicShareKeyId . ".private.key")) {
         $keypair = Crypt::createKeypair();
         // Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         // Save public key
         if (!$view->is_dir('/public-keys')) {
             $view->mkdir('/public-keys');
         }
         $this->view->file_put_contents('/public-keys/' . $publicShareKeyId . '.public.key', $keypair['publicKey']);
         // Encrypt private key empty passphrase
         $cipher = \OCA\Encryption\Helper::getCipher();
         $encryptedKey = \OCA\Encryption\Crypt::symmetricEncryptFileContent($keypair['privateKey'], '', $cipher);
         if ($encryptedKey) {
             Keymanager::setPrivateSystemKey($encryptedKey, $publicShareKeyId . '.private.key');
         } else {
             \OCP\Util::writeLog('files_encryption', 'Could not create public share keys', \OCP\Util::ERROR);
         }
         \OC_FileProxy::$enabled = $proxyStatus;
     }
     if (\OCA\Encryption\Helper::isPublicAccess()) {
         // Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $encryptedKey = $this->view->file_get_contents('/owncloud_private_key/' . $publicShareKeyId . '.private.key');
         $privateKey = Crypt::decryptPrivateKey($encryptedKey, '');
         $this->setPublicSharePrivateKey($privateKey);
         $this->setInitialized(\OCA\Encryption\Session::INIT_SUCCESSFUL);
         \OC_FileProxy::$enabled = $proxyStatus;
     }
 }

 public function stream_open($path, $mode, $options, &$opened_path)
 {
     $path = str_replace('crypt://', '', $path);
     if (dirname($path) == 'streams' and isset(self::$sourceStreams[basename($path)])) {
         $this->source = self::$sourceStreams[basename($path)]['stream'];
         $this->path = self::$sourceStreams[basename($path)]['path'];
     } else {
         $this->path = $path;
         OCP\Util::writeLog('files_encryption', 'open encrypted ' . $path . ' in ' . $mode, OCP\Util::DEBUG);
         OC_FileProxy::$enabled = false;
         //disable fileproxies so we can open the source file
         $this->source = OC_FileSystem::fopen($path, $mode);
         OC_FileProxy::$enabled = true;
         if (!is_resource($this->source)) {
             OCP\Util::writeLog('files_encryption', 'failed to open ' . $path, OCP\Util::ERROR);
         }
     }
     if (is_resource($this->source)) {
         $this->meta = stream_get_meta_data($this->source);
     }
     return is_resource($this->source);
 }

 /**
  * @brief if session is started, check if ownCloud key pair is set up, if not create it
  * @param \OC_FilesystemView $view
  *
  * @note The ownCloud key pair is used to allow public link sharing even if encryption is enabled
  */
 public function __construct($view)
 {
     $this->view = $view;
     if (!$this->view->is_dir('owncloud_private_key')) {
         $this->view->mkdir('owncloud_private_key');
     }
     $publicShareKeyId = \OC_Appconfig::getValue('files_encryption', 'publicShareKeyId');
     if ($publicShareKeyId === null) {
         $publicShareKeyId = 'pubShare_' . substr(md5(time()), 0, 8);
         \OC_Appconfig::setValue('files_encryption', 'publicShareKeyId', $publicShareKeyId);
     }
     if (!$this->view->file_exists("/public-keys/" . $publicShareKeyId . ".public.key") || !$this->view->file_exists("/owncloud_private_key/" . $publicShareKeyId . ".private.key")) {
         $keypair = Crypt::createKeypair();
         // Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         // Save public key
         if (!$view->is_dir('/public-keys')) {
             $view->mkdir('/public-keys');
         }
         $this->view->file_put_contents('/public-keys/' . $publicShareKeyId . '.public.key', $keypair['publicKey']);
         // Encrypt private key empty passphrase
         $encryptedPrivateKey = Crypt::symmetricEncryptFileContent($keypair['privateKey'], '');
         // Save private key
         $this->view->file_put_contents('/owncloud_private_key/' . $publicShareKeyId . '.private.key', $encryptedPrivateKey);
         \OC_FileProxy::$enabled = $proxyStatus;
     }
     if (\OCA\Encryption\Helper::isPublicAccess()) {
         // Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $encryptedKey = $this->view->file_get_contents('/owncloud_private_key/' . $publicShareKeyId . '.private.key');
         $privateKey = Crypt::decryptPrivateKey($encryptedKey, '');
         $this->setPublicSharePrivateKey($privateKey);
         \OC_FileProxy::$enabled = $proxyStatus;
     }
 }

 /**
  * @medium
  * Test that data that is written by the crypto stream wrapper with AES 128
  * @note Encrypted data is manually prepared and decrypted here to avoid dependency on success of stream_read
  * @note If this test fails with truncate content, check that enough array slices are being rejoined to form $e, as the crypt.php file may have gotten longer and broken the manual
  * reassembly of its data
  */
 public function testStreamDecryptLongFileContentWithoutHeader()
 {
     // Generate a a random filename
     $filename = 'tmp-' . $this->getUniqueID() . '.test';
     \OCP\Config::setSystemValue('cipher', 'AES-128-CFB');
     // Save long data as encrypted file using stream wrapper
     $cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataLong . $this->dataLong);
     \OCP\Config::deleteSystemValue('cipher');
     // Test that data was successfully written
     $this->assertTrue(is_int($cryptedFile));
     // Disable encryption proxy to prevent recursive calls
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     // Get file contents without using any wrapper to get it's actual contents on disk
     $retreivedCryptedFile = $this->view->file_get_contents($this->userId . '/files/' . $filename);
     // Check that the file was encrypted before being written to disk
     $this->assertNotEquals($this->dataLong . $this->dataLong, $retreivedCryptedFile);
     // remove the header to check if we can also decrypt old files without a header,
     //  this files should fall back to AES-128
     $cryptedWithoutHeader = substr($retreivedCryptedFile, Encryption\Crypt::BLOCKSIZE);
     $this->view->file_put_contents($this->userId . '/files/' . $filename, $cryptedWithoutHeader);
     // Re-enable proxy - our work is done
     \OC_FileProxy::$enabled = $proxyStatus;
     $decrypted = file_get_contents('crypt:///' . $this->userId . '/files/' . $filename);
     $this->assertEquals($this->dataLong . $this->dataLong, $decrypted);
     // Teardown
     $this->view->unlink($this->userId . '/files/' . $filename);
     Encryption\Keymanager::deleteFileKey($this->view, $filename);
 }

 /**
  * @medium
  */
 function testSetFileKey()
 {
     $key = $this->randomKey;
     $file = 'unittest-' . $this->getUniqueID() . '.txt';
     $util = new Encryption\Util($this->view, $this->userId);
     // Disable encryption proxy to prevent recursive calls
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     $this->view->file_put_contents($this->userId . '/files/' . $file, $this->dataShort);
     Encryption\Keymanager::setFileKey($this->view, $util, $file, $key);
     $this->assertTrue($this->view->file_exists('/' . $this->userId . '/files_encryption/keyfiles/' . $file . '.key'));
     // cleanup
     $this->view->unlink('/' . $this->userId . '/files/' . $file);
     // change encryption proxy to previous state
     \OC_FileProxy::$enabled = $proxyStatus;
 }

 /**
  * restore encryption keys from trash bin
  *
  * @param \OC\Files\View $view
  * @param string $file complete path to file
  * @param string $filename name of file
  * @param string $uniqueFilename new file name to restore the file without overwriting existing files
  * @param string $location location of file
  * @param int $timestamp deleteion time
  *
  */
 private static function restoreEncryptionKeys($view, $file, $filename, $uniqueFilename, $location, $timestamp)
 {
     // Take care of encryption keys TODO! Get '.key' in file between file name and delete date (also for permanent delete!)
     if (\OCP\App::isEnabled('files_encryption')) {
         $user = \OCP\User::getUser();
         $rootView = new \OC\Files\View('/');
         $target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
         list($owner, $ownerPath) = self::getUidAndFilename($target);
         $util = new \OCA\Encryption\Util(new \OC\Files\View('/'), $user);
         if ($util->isSystemWideMountPoint($ownerPath)) {
             $baseDir = '/files_encryption/';
         } else {
             $baseDir = $owner . '/files_encryption/';
         }
         $path_parts = pathinfo($file);
         $source_location = $path_parts['dirname'];
         if ($view->is_dir('/files_trashbin/keyfiles/' . $file)) {
             if ($source_location != '.') {
                 $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename);
                 $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename);
             } else {
                 $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $filename);
                 $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $filename);
             }
         } else {
             $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename . '.key');
         }
         if ($timestamp) {
             $keyfile .= '.d' . $timestamp;
         }
         // disable proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         if ($rootView->file_exists($keyfile)) {
             // handle directory
             if ($rootView->is_dir($keyfile)) {
                 // handle keyfiles
                 $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath);
                 // handle share-keys
                 if ($timestamp) {
                     $sharekey .= '.d' . $timestamp;
                 }
                 $rootView->rename($sharekey, $baseDir . '/share-keys/' . $ownerPath);
             } else {
                 // handle keyfiles
                 $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath . '.key');
                 // handle share-keys
                 $ownerShareKey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename . '.' . $user . '.shareKey');
                 if ($timestamp) {
                     $ownerShareKey .= '.d' . $timestamp;
                 }
                 // move only owners key
                 $rootView->rename($ownerShareKey, $baseDir . '/share-keys/' . $ownerPath . '.' . $user . '.shareKey');
                 // try to re-share if file is shared
                 $filesystemView = new \OC\Files\View('/');
                 $session = new \OCA\Encryption\Session($filesystemView);
                 $util = new \OCA\Encryption\Util($filesystemView, $user);
                 // fix the file size
                 $absolutePath = \OC\Files\Filesystem::normalizePath('/' . $owner . '/files/' . $ownerPath);
                 $util->fixFileSize($absolutePath);
                 // get current sharing state
                 $sharingEnabled = \OCP\Share::isEnabled();
                 // get users sharing this file
                 $usersSharing = $util->getSharingUsersArray($sharingEnabled, $target);
                 // Attempt to set shareKey
                 $util->setSharedFileKeyfiles($session, $usersSharing, $target);
             }
         }
         // enable proxy
         \OC_FileProxy::$enabled = $proxyStatus;
     }
 }

 /**
  * @param string $path
  * @param int $size
  * @return int|bool
  */
 public function postFileSize($path, $size, $fileInfo = null)
 {
     $view = new \OC\Files\View('/');
     $userId = Helper::getUser($path);
     $util = new Util($view, $userId);
     // if encryption is no longer enabled or if the files aren't migrated yet
     // we return the default file size
     if (!\OCP\App::isEnabled('files_encryption') || $util->getMigrationStatus() !== Util::MIGRATION_COMPLETED) {
         return $size;
     }
     // if path is a folder do nothing
     if ($view->is_dir($path)) {
         $proxyState = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $fileInfo = $view->getFileInfo($path);
         \OC_FileProxy::$enabled = $proxyState;
         if (isset($fileInfo['unencrypted_size']) && $fileInfo['unencrypted_size'] > 0) {
             return $fileInfo['unencrypted_size'];
         }
         return $size;
     }
     // get relative path
     $relativePath = \OCA\Encryption\Helper::stripUserFilesPath($path);
     // if path is empty we cannot resolve anything
     if (empty($relativePath)) {
         return $size;
     }
     // get file info from database/cache if not .part file
     if (empty($fileInfo) && !Helper::isPartialFilePath($path)) {
         $proxyState = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $fileInfo = $view->getFileInfo($path);
         \OC_FileProxy::$enabled = $proxyState;
     }
     // if file is encrypted return real file size
     if (isset($fileInfo['encrypted']) && $fileInfo['encrypted'] === true) {
         // try to fix unencrypted file size if it doesn't look plausible
         if ((int) $fileInfo['size'] > 0 && (int) $fileInfo['unencrypted_size'] === 0) {
             $fixSize = $util->getFileSize($path);
             $fileInfo['unencrypted_size'] = $fixSize;
             // put file info if not .part file
             if (!Helper::isPartialFilePath($relativePath)) {
                 $view->putFileInfo($path, array('unencrypted_size' => $fixSize));
             }
         }
         $size = $fileInfo['unencrypted_size'];
     } else {
         $fileInfoUpdates = array();
         $fixSize = $util->getFileSize($path);
         if ($fixSize > 0) {
             $size = $fixSize;
             $fileInfoUpdates['encrypted'] = true;
             $fileInfoUpdates['unencrypted_size'] = $size;
             // put file info if not .part file
             if (!Helper::isPartialFilePath($relativePath)) {
                 $view->putFileInfo($path, $fileInfoUpdates);
             }
         }
     }
     return $size;
 }

 /**
  * @NoAdminRequired
  */
 public function start()
 {
     $request = $this->request;
     $response = new JSONResponse();
     $params = $this->request->urlParams;
     $app = new App($this->api->getUserId());
     $addressBook = $app->getAddressBook($params['backend'], $params['addressBookId']);
     if (!$addressBook->hasPermission(\OCP\PERMISSION_CREATE)) {
         $response->setStatus('403');
         $response->bailOut(App::$l10n->t('You do not have permissions to import into this address book.'));
         return $response;
     }
     $filename = isset($request->post['filename']) ? $request->post['filename'] : null;
     $progresskey = isset($request->post['progresskey']) ? $request->post['progresskey'] : null;
     if (is_null($filename)) {
         $response->bailOut(App::$l10n->t('File name missing from request.'));
         return $response;
     }
     if (is_null($progresskey)) {
         $response->bailOut(App::$l10n->t('Progress key missing from request.'));
         return $response;
     }
     $filename = strtr($filename, array('/' => '', "\\" => ''));
     if (\OC\Files\Filesystem::isFileBlacklisted($filename)) {
         $response->bailOut(App::$l10n->t('Attempt to access blacklisted file:') . $filename);
         return $response;
     }
     $view = \OCP\Files::getStorage('contacts');
     $proxyStatus = \OC_FileProxy::$enabled;
     \OC_FileProxy::$enabled = false;
     $file = $view->file_get_contents('/imports/' . $filename);
     \OC_FileProxy::$enabled = $proxyStatus;
     $writeProgress = function ($pct) use($progresskey) {
         \OC_Cache::set($progresskey, $pct, 300);
     };
     $cleanup = function () use($view, $filename, $progresskey) {
         if (!$view->unlink('/imports/' . $filename)) {
             $response->debug('Unable to unlink /imports/' . $filename);
         }
         \OC_Cache::remove($progresskey);
     };
     $writeProgress('20');
     $nl = "\n";
     $file = str_replace(array("\r", "\n\n"), array("\n", "\n"), $file);
     $lines = explode($nl, $file);
     $inelement = false;
     $parts = array();
     $card = array();
     foreach ($lines as $line) {
         if (strtoupper(trim($line)) == 'BEGIN:VCARD') {
             $inelement = true;
         } elseif (strtoupper(trim($line)) == 'END:VCARD') {
             $card[] = $line;
             $parts[] = implode($nl, $card);
             $card = array();
             $inelement = false;
         }
         if ($inelement === true && trim($line) != '') {
             $card[] = $line;
         }
     }
     if (count($parts) === 0) {
         $response->bailOut(App::$l10n->t('No contacts found in: ') . $filename);
         $cleanup();
         return $response;
     }
     //import the contacts
     $imported = 0;
     $failed = 0;
     $partially = 0;
     $processed = 0;
     // TODO: Add a new group: "Imported at {date}"
     foreach ($parts as $part) {
         try {
             $vcard = VObject\Reader::read($part);
         } catch (VObject\ParseException $e) {
             try {
                 $vcard = VObject\Reader::read($part, VObject\Reader::OPTION_IGNORE_INVALID_LINES);
                 $partially += 1;
                 $response->debug('Import: Retrying reading card. Error parsing VCard: ' . $e->getMessage());
             } catch (\Exception $e) {
                 $failed += 1;
                 $response->debug('Import: skipping card. Error parsing VCard: ' . $e->getMessage());
                 continue;
                 // Ditch cards that can't be parsed by Sabre.
             }
         }
         try {
             $vcard->validate(MyVCard::REPAIR | MyVCard::UPGRADE);
         } catch (\Exception $e) {
             \OCP\Util::writeLog('contacts', __METHOD__ . ' ' . 'Error validating vcard: ' . $e->getMessage(), \OCP\Util::ERROR);
             $failed += 1;
         }
         /**
          * TODO
          * - Check if a contact with identical UID exists.
          * - If so, fetch that contact and call $contact->mergeFromVCard($vcard);
//.........这里部分代码省略.........