Bring back ajax/external.php, sadly

apps/files_sharing/ajax/external.php

@@ -0,0 +1,154 @@
+<?php
+/**
+ * @author Björn Schießle <[email protected]>
+ * @author Joas Schilling <[email protected]>
+ * @author Lukas Reschke <[email protected]>
+ * @author Morris Jobke <[email protected]>
+ * @author Robin Appelman <[email protected]>
+ * @author Roeland Jago Douma <[email protected]>
+ * @author Thomas Müller <[email protected]>
+ * @author Vincent Petry <[email protected]>
+ *
+ * @copyright Copyright (c) 2017, ownCloud GmbH
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+OCP\JSON::callCheck();
+OCP\JSON::checkLoggedIn();
+OCP\JSON::checkAppEnabled('files_sharing');
+
+$l = \OC::$server->getL10N('files_sharing');
+
+$federatedSharingApp = new \OCA\FederatedFileSharing\AppInfo\Application('federatedfilesharing');
+$federatedShareProvider = $federatedSharingApp->getFederatedShareProvider();
+
+// check if server admin allows to mount public links from other servers
+if ($federatedShareProvider->isIncomingServer2serverShareEnabled() === false) {
+	\OCP\JSON::error(['data' => ['message' => $l->t('Server to server sharing is not enabled on this server')]]);
+	exit();
+}
+
+$token = $_POST['token'];
+$remote = $_POST['remote'];
+$owner = $_POST['owner'];
+$ownerDisplayName = $_POST['ownerDisplayName'];
+$name = $_POST['name'];
+$password = $_POST['password'];
+
+// Check for invalid name
+if(!\OCP\Util::isValidFileName($name)) {
+	\OCP\JSON::error(['data' => ['message' => $l->t('The mountpoint name contains invalid characters.')]]);
+	exit();
+}
+
+$currentUser = \OC::$server->getUserSession()->getUser()->getUID();
+$currentServer = \OC::$server->getURLGenerator()->getAbsoluteURL('/');
+if (\OC\Share\Helper::isSameUserOnSameServer($owner, $remote, $currentUser, $currentServer )) {
+	\OCP\JSON::error(['data' => ['message' => $l->t('Not allowed to create a federated share with the same user server')]]);
+	exit();
+}
+
+$discoveryManager = new \OCA\FederatedFileSharing\DiscoveryManager(
+	\OC::$server->getMemCacheFactory(),
+	\OC::$server->getHTTPClientService()
+);
+$externalManager = new \OCA\Files_Sharing\External\Manager(
+		\OC::$server->getDatabaseConnection(),
+		\OC\Files\Filesystem::getMountManager(),
+		\OC\Files\Filesystem::getLoader(),
+		\OC::$server->getHTTPHelper(),
+		\OC::$server->getNotificationManager(),
+		$discoveryManager,
+		\OC::$server->getUserSession()->getUser()->getUID()
+);
+
+// check for ssl cert
+if (substr($remote, 0, 5) === 'https') {
+	try {
+		\OC::$server->getHTTPClientService()->newClient()->get($remote, [
+			'timeout' => 10,
+			'connect_timeout' => 10,
+		])->getBody();
+	} catch (\Exception $e) {
+		\OCP\JSON::error(['data' => ['message' => $l->t('Invalid or untrusted SSL certificate')]]);
+		exit;
+	}
+}
+
+$mount = $externalManager->addShare($remote, $token, $password, $name, $ownerDisplayName, true);
+
+/**
+ * @var \OCA\Files_Sharing\External\Storage $storage
+ */
+$storage = $mount->getStorage();
+try {
+	// check if storage exists
+	$storage->checkStorageAvailability();
+} catch (\OCP\Files\StorageInvalidException $e) {
+	// note: checkStorageAvailability will already remove the invalid share
+	\OCP\Util::writeLog(
+		'files_sharing',
+		'Invalid remote storage: ' . get_class($e) . ': ' . $e->getMessage(),
+		\OCP\Util::DEBUG
+	);
+	\OCP\JSON::error(
+		[
+			'data' => [
+				'message' => $l->t('Could not authenticate to remote share, password might be wrong')
+			]
+		]
+	);
+	exit();
+} catch (\Exception $e) {
+	\OCP\Util::writeLog(
+		'files_sharing',
+		'Invalid remote storage: ' . get_class($e) . ': ' . $e->getMessage(),
+		\OCP\Util::DEBUG
+	);
+	$externalManager->removeShare($mount->getMountPoint());
+	\OCP\JSON::error(['data' => ['message' => $l->t('Storage not valid')]]);
+	exit();
+}
+$result = $storage->file_exists('');
+if ($result) {
+	try {
+		$storage->getScanner()->scanAll();
+		\OCP\JSON::success();
+	} catch (\OCP\Files\StorageInvalidException $e) {
+		\OCP\Util::writeLog(
+			'files_sharing',
+			'Invalid remote storage: ' . get_class($e) . ': ' . $e->getMessage(),
+			\OCP\Util::DEBUG
+		);
+		\OCP\JSON::error(['data' => ['message' => $l->t('Storage not valid')]]);
+	} catch (\Exception $e) {
+		\OCP\Util::writeLog(
+			'files_sharing',
+			'Invalid remote storage: ' . get_class($e) . ': ' . $e->getMessage(),
+			\OCP\Util::DEBUG
+		);
+		\OCP\JSON::error(['data' => ['message' => $l->t('Couldn\'t add remote share')]]);
+	}
+} else {
+	$externalManager->removeShare($mount->getMountPoint());
+	\OCP\Util::writeLog(
+		'files_sharing',
+		'Couldn\'t add remote share',
+		\OCP\Util::DEBUG
+	);
+	\OCP\JSON::error(['data' => ['message' => $l->t('Couldn\'t add remote share')]]);
+}
+