Refactor file sharing public link handling

fixes download issue introduced by #10755

Conflicts:
	apps/files_sharing/public.php

1 files changed, 16 insertions, 204 deletions

diff --git a/apps/files_sharing/public.php b/apps/files_sharing/public.php
index 4320c105103..d9b8f0f4f30 100644
--- a/apps/files_sharing/public.php
+++ b/apps/files_sharing/public.php
@@ -1,205 +1,17 @@
 <?php
-// Load other apps for file previews
-use OCA\Files_Sharing\Helper;
-
-OC_App::loadApps();
-
-$appConfig = \OC::$server->getAppConfig();
-
-if ($appConfig->getValue('core', 'shareapi_allow_links', 'yes') !== 'yes') {
-	header('HTTP/1.0 404 Not Found');
-	$tmpl = new OCP\Template('', '404', 'guest');
-	$tmpl->printPage();
-	exit();
-}
-
-// Legacy sharing links via public.php have the token in $GET['t']
-if (isset($_GET['t'])) {
-	$token = $_GET['t'];
-}
-
-if (isset($token)) {
-	$linkItem = OCP\Share::getShareByToken($token, false);
-	if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
-		// seems to be a valid share
-		$type = $linkItem['item_type'];
-		$fileSource = $linkItem['file_source'];
-		$shareOwner = $linkItem['uid_owner'];
-		$path = null;
-		$rootLinkItem = OCP\Share::resolveReShare($linkItem);
-		if (isset($rootLinkItem['uid_owner'])) {
-			OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
-			OC_Util::tearDownFS();
-			OC_Util::setupFS($rootLinkItem['uid_owner']);
-			$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
-		}
-	}
-}
-if (isset($path)) {
-	if (!isset($linkItem['item_type'])) {
-		OCP\Util::writeLog('share', 'No item type set for share id: ' . $linkItem['id'], \OCP\Util::ERROR);
-		header('HTTP/1.0 404 Not Found');
-		$tmpl = new OCP\Template('', '404', 'guest');
-		$tmpl->printPage();
-		exit();
-	}
-	if (isset($linkItem['share_with'])) {
-		// Authenticate share_with
-		$url = OCP\Util::linkToPublic('files') . '&t=' . $token;
-		if (isset($_GET['file'])) {
-			$url .= '&file=' . urlencode($_GET['file']);
-		} else {
-			if (isset($_GET['dir'])) {
-				$url .= '&dir=' . urlencode($_GET['dir']);
-			}
-		}
-		if (isset($_POST['password'])) {
-			$password = $_POST['password'];
-			if ($linkItem['share_type'] == OCP\Share::SHARE_TYPE_LINK) {
-				// Check Password
-				$forcePortable = (CRYPT_BLOWFISH != 1);
-				$hasher = new PasswordHash(8, $forcePortable);
-				if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''),
-											 $linkItem['share_with']))) {
-					OCP\Util::addStyle('files_sharing', 'authenticate');
-					$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
-					$tmpl->assign('URL', $url);
-					$tmpl->assign('wrongpw', true);
-					$tmpl->printPage();
-					exit();
-				} else {
-					// Save item id in session for future requests
-					\OC::$server->getSession()->set('public_link_authenticated', $linkItem['id']);
-				}
-			} else {
-				OCP\Util::writeLog('share', 'Unknown share type '.$linkItem['share_type']
-										   .' for share id '.$linkItem['id'], \OCP\Util::ERROR);
-				header('HTTP/1.0 404 Not Found');
-				$tmpl = new OCP\Template('', '404', 'guest');
-				$tmpl->printPage();
-				exit();
-			}
-
-		} else {
-			// Check if item id is set in session
-			if ( ! \OC::$server->getSession()->exists('public_link_authenticated')
-				|| \OC::$server->getSession()->get('public_link_authenticated') !== $linkItem['id']
-			) {
-				// Prompt for password
-				OCP\Util::addStyle('files_sharing', 'authenticate');
-				$tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest');
-				$tmpl->assign('URL', $url);
-				$tmpl->printPage();
-				exit();
-			}
-		}
-	}
-	$basePath = $path;
-	$rootName = \OC_Util::basename($path);
-	if (isset($_GET['path']) && \OC\Files\Filesystem::isReadable($basePath . $_GET['path'])) {
-		$getPath = \OC\Files\Filesystem::normalizePath($_GET['path']);
-		$path .= $getPath;
-	} else {
-		$getPath = '';
-	}
-	$dir = dirname($path);
-	$file = basename($path);
-	// Download the file
-	if (isset($_GET['download'])) {
-		if (!\OCP\App::isEnabled('files_encryption')) {
-			// encryption app requires the session to store the keys in
-			\OC::$server->getSession()->close();
-		}
-		if (isset($_GET['files'])) { // download selected files
-			$files = $_GET['files'];
-			$files_list = json_decode($files);
-			// in case we get only a single file
-			if (!is_array($files_list)) {
-				$files_list = array($files);
-			}
-			OC_Files::get($path, $files_list, $_SERVER['REQUEST_METHOD'] == 'HEAD');
-		} else {
-			OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD');
-		}
-		exit();
-	} else {
-		OCP\Util::addScript('files', 'file-upload');
-		OCP\Util::addStyle('files_sharing', 'public');
-		OCP\Util::addStyle('files_sharing', 'mobile');
-		OCP\Util::addScript('files_sharing', 'public');
-		OCP\Util::addScript('files', 'fileactions');
-		OCP\Util::addScript('files', 'jquery.iframe-transport');
-		OCP\Util::addScript('files', 'jquery.fileupload');
-		$maxUploadFilesize=OCP\Util::maxUploadFilesize($path);
-		$tmpl = new OCP\Template('files_sharing', 'public', 'base');
-		$tmpl->assign('displayName', \OCP\User::getDisplayName($shareOwner));
-		$tmpl->assign('filename', $file);
-		$tmpl->assign('directory_path', $linkItem['file_target']);
-		$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
-		$tmpl->assign('dirToken', $linkItem['token']);
-		$tmpl->assign('sharingToken', $token);
-		$tmpl->assign('server2serversharing', Helper::isOutgoingServer2serverShareEnabled());
-		$tmpl->assign('protected', isset($linkItem['share_with']) ? 'true' : 'false');
-
-		$urlLinkIdentifiers= (isset($token)?'&t='.$token:'')
-							.(isset($_GET['dir'])?'&dir='.$_GET['dir']:'')
-							.(isset($_GET['file'])?'&file='.$_GET['file']:'');
-		// Show file list
-		if (\OC\Files\Filesystem::is_dir($path)) {
-			$tmpl->assign('dir', $getPath);
-
-			OCP\Util::addStyle('files', 'files');
-			OCP\Util::addStyle('files', 'upload');
-			OCP\Util::addScript('files', 'filesummary');
-			OCP\Util::addScript('files', 'breadcrumb');
-			OCP\Util::addScript('files', 'files');
-			OCP\Util::addScript('files', 'filelist');
-			OCP\Util::addscript('files', 'keyboardshortcuts');
-			$files = array();
-			$rootLength = strlen($basePath) + 1;
-			$maxUploadFilesize=OCP\Util::maxUploadFilesize($path);
-
-			$freeSpace=OCP\Util::freeSpace($path);
-			$uploadLimit=OCP\Util::uploadLimit();
-			$folder = new OCP\Template('files', 'list', '');
-			$folder->assign('dir', $getPath);
-			$folder->assign('dirToken', $linkItem['token']);
-			$folder->assign('permissions', OCP\PERMISSION_READ);
-			$folder->assign('isPublic', true);
-			$folder->assign('publicUploadEnabled', 'no');
-			$folder->assign('files', $files);
-			$folder->assign('uploadMaxFilesize', $maxUploadFilesize);
-			$folder->assign('uploadMaxHumanFilesize', OCP\Util::humanFileSize($maxUploadFilesize));
-			$folder->assign('freeSpace', $freeSpace);
-			$folder->assign('uploadLimit', $uploadLimit); // PHP upload limit
-			$folder->assign('usedSpacePercent', 0);
-			$folder->assign('trash', false);
-			$tmpl->assign('folder', $folder->fetchPage());
-			$tmpl->assign('downloadURL',
-				OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&download&path=' . urlencode($getPath));
-		} else {
-			$tmpl->assign('dir', $dir);
-
-			// Show file preview if viewer is available
-			if ($type == 'file') {
-				$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files') . $urlLinkIdentifiers . '&download');
-			} else {
-				$tmpl->assign('downloadURL', OCP\Util::linkToPublic('files')
-										.$urlLinkIdentifiers.'&download&path='.urlencode($getPath));
-			}
-		}
-		$tmpl->printPage();
-	}
-	exit();
-} else {
-	OCP\Util::writeLog('share', 'could not resolve linkItem', \OCP\Util::DEBUG);
-}
-
-$errorTemplate = new OCP\Template('files_sharing', 'part.404', '');
-$errorContent = $errorTemplate->fetchPage();
-
-header('HTTP/1.0 404 Not Found');
-OCP\Util::addStyle('files_sharing', '404');
-$tmpl = new OCP\Template('', '404', 'guest');
-$tmpl->assign('content', $errorContent);
-$tmpl->printPage();
+/**
+ * @author Lukas Reschke
+ * @copyright 2014 Lukas Reschke lukas@owncloud.com
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+// This file is just used to redirect the legacy sharing URLs (< ownCloud 8) to the new ones
+
+$urlGenerator = new \OC\URLGenerator(\OC::$server->getConfig());
+$token = isset($_GET['t']) ? $_GET['t'] : '';
+$route = isset($_GET['download']) ? 'files_sharing.sharecontroller.downloadshare' : 'files_sharing.sharecontroller.showshare';
+
+OC_Response::redirect($urlGenerator->linkToRoute($route, array('token' => $token)));