1 files changed, 130 insertions, 0 deletions
diff --git a/apps/files_sharing/lib/Controller/ShareInfoController.php b/apps/files_sharing/lib/Controller/ShareInfoController.php
new file mode 100644
index 00000000000..ccf7b7093a5
--- /dev/null
+++ b/apps/files_sharing/lib/Controller/ShareInfoController.php
@@ -0,0 +1,130 @@
+<?php
+
+namespace OCA\Files_Sharing\Controller;
+
+use OCA\Files_External\NotFoundException;
+use OCP\AppFramework\ApiController;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\Constants;
+use OCP\Files\File;
+use OCP\Files\Folder;
+use OCP\Files\Node;
+use OCP\ILogger;
+use OCP\IRequest;
+use OCP\Share\Exceptions\ShareNotFound;
+use OCP\Share\IManager;
+
+class ShareInfoController extends ApiController {
+
+	/** @var IManager */
+	private $shareManager;
+
+	/**
+	 * ShareInfoController constructor.
+	 *
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param IManager $shareManager
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								IManager $shareManager) {
+		parent::__construct($appName, $request);
+
+		$this->shareManager = $shareManager;
+	}
+
+	/**
+	 * @PublicPage
+	 * @NoCSRFRequired
+	 *
+	 * @param string $t
+	 * @param null $password
+	 * @param null $dir
+	 * @return JSONResponse
+	 * @throws ShareNotFound
+	 */
+	public function info($t, $password = null, $dir = null) {
+		try {
+			$share = $this->shareManager->getShareByToken($t);
+		} catch (ShareNotFound $e) {
+			return new JSONResponse([], Http::STATUS_NOT_FOUND);
+		}
+
+		if ($share->getPassword() && !$this->shareManager->checkPassword($share, $password)) {
+			return new JSONResponse([], Http::STATUS_FORBIDDEN);
+		}
+
+		if (!($share->getPermissions() & Constants::PERMISSION_READ)) {
+			return new JSONResponse([], Http::STATUS_FORBIDDEN);
+		}
+
+		$isWritable = $share->getPermissions() & (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_CREATE);
+		if (!$isWritable) {
+			$this->addROWrapper();
+		}
+
+		$node = $share->getNode();
+
+		if ($dir !== null && $node instanceof Folder) {
+			try {
+				$node = $node->get($dir);
+			} catch (NotFoundException $e) {
+
+			}
+		}
+
+		return new JSONResponse($this->parseNode($node));
+	}
+
+	private function parseNode(Node $node) {
+		if ($node instanceof File) {
+			return $this->parseFile($node);
+		}
+		return $this->parseFolder($node);
+	}
+
+	private function parseFile(File $file) {
+		return $this->format($file);
+	}
+
+	private function parseFolder(Folder $folder) {
+		$data = $this->format($folder);
+
+		$data['children'] = [];
+
+		$nodes = $folder->getDirectoryListing();
+		foreach ($nodes as $node) {
+			$data['children'][] = $this->parseNode($node);
+		}
+
+		return $data;
+	}
+
+	private function format(Node $node) {
+		$entry = [];
+
+		$entry['id'] = $node->getId();
+		$entry['parentId'] = $node->getParent()->getId();
+		$entry['mtime'] = $node->getMTime();
+
+		$entry['name'] = $node->getName();
+		$entry['permissions'] = $node->getPermissions();
+		$entry['mimetype'] = $node->getMimetype();
+		$entry['size'] = $node->getSize();
+		$entry['type'] = $node->getType();
+		$entry['etag'] = $node->getEtag();
+
+		return $entry;
+	}
+
+	protected function addROWrapper() {
+		// FIXME: should not add storage wrappers outside of preSetup, need to find a better way
+		$previousLog = \OC\Files\Filesystem::logWarningWhenAddingStorageWrapper(false);
+		\OC\Files\Filesystem::addStorageWrapper('readonly', function ($mountPoint, $storage) {
+			return new \OC\Files\Storage\Wrapper\PermissionsMask(array('storage' => $storage, 'mask' => \OCP\Constants::PERMISSION_READ + \OCP\Constants::PERMISSION_SHARE));
+		});
+		\OC\Files\Filesystem::logWarningWhenAddingStorageWrapper($previousLog);
+	}
+}