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wedding-pics/apps/circles/lib/GlobalScale/GSMount/Mount.php

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+<?php
+
+declare(strict_types=1);
+
+
+/**
+ * Circles - Bring cloud-users closer together.
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2020
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Circles\GlobalScale\GSMount;
+
+use OCA\Circles\Tools\Traits\TArrayTools;
+use Exception;
+use OC\Files\Mount\MountPoint;
+use OC\Files\Mount\MoveableMount;
+
+/**
+ * Class Mount
+ *
+ * @package OCA\Circles\GlobalScale\GSMount
+ */
+class Mount extends MountPoint implements MoveableMount {
+	use TArrayTools;
+
+
+	/** @var MountManager */
+	protected $mountManager;
+
+	/** @var int */
+	private $gsShareId = -1;
+
+	/**
+	 * Mount constructor.
+	 *
+	 * @param $storage
+	 * @param string $mountPoint
+	 * @param array $options
+	 * @param MountManager $manager
+	 * @param null $loader
+	 *
+	 * @throws Exception
+	 */
+	public function __construct(
+		$storage, string $mountPoint, array $options, MountManager $manager, $loader = null
+	) {
+		parent::__construct($storage, $mountPoint, $options, $loader);
+		$this->gsShareId = $this->getInt('gsShareId', $options);
+		$this->mountManager = $manager;
+	}
+
+
+	/**
+	 * Move the mount point to $target
+	 *
+	 * @param string $target the target mount point
+	 *
+	 * @return bool
+	 */
+	public function moveMount($target) {
+		$result = $this->mountManager->renameShare($this->gsShareId, $target);
+		$this->setMountPoint($target);
+
+		return $result;
+	}
+
+	/**
+	 * Remove the mount points
+	 *
+	 * @return mixed
+	 * @return bool
+	 */
+	public function removeMount() {
+		return $this->mountManager->unshare($this->gsShareId);
+	}
+
+
+	/**
+	 * Get the type of mount point, used to distinguish things like shares and external storages
+	 * in the web interface
+	 *
+	 * @return string
+	 */
+	public function getMountType() {
+		return 'shared';
+	}
+}

wedding-pics/apps/circles/lib/GlobalScale/GSMount/MountManager.php

@@ -0,0 +1,128 @@
+<?php
+
+declare(strict_types=1);
+
+
+/**
+ * Circles - Bring cloud-users closer together.
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2020
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Circles\GlobalScale\GSMount;
+
+use OCA\Circles\Db\GSSharesRequest;
+use OCA\Circles\Model\GlobalScale\GSShareMountpoint;
+use OCP\Share\Exceptions\ShareNotFound;
+
+/**
+ * Class MountManager
+ *
+ * @package OCA\Circles\GlobalScale\GSMount
+ */
+class MountManager {
+	/** @var string */
+	private $userId;
+
+	/** @var GSSharesRequest */
+	private $gsSharesRequest;
+
+
+	/**
+	 * MountManager constructor.
+	 *
+	 * @param string $userId
+	 * @param GSSharesRequest $gsSharesRequest
+	 */
+	public function __construct($userId, GSSharesRequest $gsSharesRequest) {
+		$this->userId = $userId;
+		$this->gsSharesRequest = $gsSharesRequest;
+	}
+
+
+	/**
+	 * @param int $gsShareId
+	 * @param string $target
+	 *
+	 * @return bool
+	 */
+	public function renameShare(int $gsShareId, string $target) {
+		try {
+			if ($target !== '-') {
+				$target = $this->stripPath($target);
+				$this->gsSharesRequest->getShareMountPointByPath($this->userId, $target);
+
+				return false;
+			}
+		} catch (ShareNotFound $e) {
+		}
+
+		$mountPoint = new GSShareMountpoint($gsShareId, $this->userId, $target);
+		try {
+			$this->gsSharesRequest->getShareMountPointById($gsShareId, $this->userId);
+			$this->gsSharesRequest->updateShareMountPoint($mountPoint);
+		} catch (ShareNotFound $e) {
+			$this->gsSharesRequest->generateShareMountPoint($mountPoint);
+		}
+
+		return true;
+	}
+
+
+	// TODO: implement !
+	public function getMountManager() {
+		return $this;
+	}
+
+	// TODO: implement !
+	public function removeShare($mountPoint) {
+	}
+
+	// TODO: implement !
+	public function removeMount($mountPoint) {
+	}
+
+
+	/**
+	 * @param int $gsShareId
+	 *
+	 * @return bool
+	 */
+	public function unshare(int $gsShareId) {
+		return $this->renameShare($gsShareId, '-');
+	}
+
+
+	/**
+	 * remove '/user/files' from the path and trailing slashes
+	 *
+	 * @param string $path
+	 *
+	 * @return string
+	 */
+	protected function stripPath($path) {
+		$prefix = '/' . $this->userId . '/files';
+
+		return rtrim(substr($path, strlen($prefix)), '/');
+	}
+}

wedding-pics/apps/circles/lib/GlobalScale/GSMount/MountProvider.php

@@ -0,0 +1,183 @@
+<?php
+
+declare(strict_types=1);
+
+
+/**
+ * Circles - Bring cloud-users closer together.
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2020
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Circles\GlobalScale\GSMount;
+
+use OCA\Circles\Tools\Traits\TArrayTools;
+use Exception;
+use OC;
+use OCA\Circles\Db\GSSharesRequest;
+use OCA\Circles\Model\GlobalScale\GSShare;
+use OCA\Circles\Model\GlobalScale\GSShareMountpoint;
+use OCA\Circles\Service\ConfigService;
+use OCP\Federation\ICloudIdManager;
+use OCP\Files\Config\IMountProvider;
+use OCP\Files\Mount\IMountPoint;
+use OCP\Files\NotFoundException;
+use OCP\Files\NotPermittedException;
+use OCP\Files\Storage\IStorageFactory;
+use OCP\IUser;
+
+/**
+ * Class MountProvider
+ *
+ * @package OCA\Circles\GlobalScale\GSMount
+ */
+class MountProvider implements IMountProvider {
+	use TArrayTools;
+
+
+	public const STORAGE = '\OCA\Files_Sharing\External\Storage';
+
+
+	/** @var MountManager */
+	private $mountManager;
+
+	/** @var ICloudIdManager */
+	private $cloudIdManager;
+
+	/** @var GSSharesRequest */
+	private $gsSharesRequest;
+
+	/** @var ConfigService */
+	private $configService;
+
+	/**
+	 * MountProvider constructor.
+	 *
+	 * @param MountManager $mountManager
+	 * @param ICloudIdManager $cloudIdManager
+	 * @param GSSharesRequest $gsSharesRequest
+	 * @param ConfigService $configService
+	 */
+	public function __construct(
+		MountManager $mountManager, ICloudIdManager $cloudIdManager, GSSharesRequest $gsSharesRequest,
+		ConfigService $configService
+	) {
+		$this->mountManager = $mountManager;
+		$this->cloudIdManager = $cloudIdManager;
+		$this->gsSharesRequest = $gsSharesRequest;
+		$this->configService = $configService;
+	}
+
+
+	/**
+	 * @param IUser $user
+	 * @param IStorageFactory $loader
+	 *
+	 * @return IMountPoint[]
+	 */
+	public function getMountsForUser(IUser $user, IStorageFactory $loader): array {
+		$shares = $this->gsSharesRequest->getForUser($user->getUID());
+
+		$mounts = [];
+		foreach ($shares as $share) {
+			try {
+				if ($share->getMountPoint() !== '-') {
+					$this->fixDuplicateFile($user->getUID(), $share);
+					$mounts[] = $this->generateMount($share, $user->getUID(), $loader);
+				}
+			} catch (Exception $e) {
+			}
+		}
+
+		return $mounts;
+	}
+
+
+	/**
+	 * @param GSShare $share
+	 * @param string $userId
+	 * @param IStorageFactory $storageFactory
+	 *
+	 * @return Mount
+	 * @throws Exception
+	 */
+	public function generateMount(
+		GSShare $share, string $userId, IStorageFactory $storageFactory
+	) {
+		$protocol = 'https';
+		if ($this->configService->isLocalNonSSL()) {
+			$protocol = 'http';
+		}
+
+		$data = $share->toMount($userId, $protocol);
+		$data['manager'] = $this->mountManager;
+		$data['gsShareId'] = $share->getId();
+		$data['cloudId'] = $this->cloudIdManager->getCloudId($data['owner'], $data['remote']);
+		$data['certificateManager'] = OC::$server->getCertificateManager($userId);
+		$data['HttpClientService'] = OC::$server->getHTTPClientService();
+
+		return new Mount(
+			self::STORAGE, $share->getMountPoint($userId), $data, $this->mountManager, $storageFactory
+		);
+	}
+
+
+	/**
+	 * @param string $userId
+	 * @param GSShare $share
+	 *
+	 * @throws OC\User\NoUserException
+	 * @throws NotPermittedException
+	 */
+	private function fixDuplicateFile(string $userId, GSShare $share) {
+		$fs = \OC::$server->getRootFolder()
+						  ->getUserFolder($userId);
+
+		try {
+			$fs->get($share->getMountPoint());
+		} catch (NotFoundException $e) {
+			return;
+		}
+
+		$info = pathinfo($share->getMountPoint());
+		$filename = $this->get('dirname', $info) . '/' . $this->get('filename', $info);
+		$extension = $this->get('extension', $info);
+		$extension = ($extension === '') ? '' : '.' . $extension;
+
+		$n = 2;
+		while (true) {
+			$path = $filename . " ($n)" . $extension;
+			try {
+				$fs->get($path);
+			} catch (NotFoundException $e) {
+				$share->setMountPoint($path);
+				$mountPoint = new GSShareMountpoint($share->getId(), $userId, $path);
+				$this->gsSharesRequest->updateShareMountPoint($mountPoint);
+
+				return;
+			}
+
+			$n++;
+		}
+	}
+}