diff options
Diffstat (limited to 'backends/networking/sdl_net/handlers/uploadfilehandler.cpp')
-rw-r--r-- | backends/networking/sdl_net/handlers/uploadfilehandler.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/backends/networking/sdl_net/handlers/uploadfilehandler.cpp b/backends/networking/sdl_net/handlers/uploadfilehandler.cpp new file mode 100644 index 0000000000..6b8be15f1f --- /dev/null +++ b/backends/networking/sdl_net/handlers/uploadfilehandler.cpp @@ -0,0 +1,79 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "backends/networking/sdl_net/handlers/uploadfilehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/uploadfileclienthandler.h" +#include "backends/fs/fs-factory.h" +#include "common/system.h" +#include "common/translation.h" + +namespace Networking { + +UploadFileHandler::UploadFileHandler() {} + +UploadFileHandler::~UploadFileHandler() {} + +/// public + +void UploadFileHandler::handle(Client &client) { + Common::String path = client.queryParameter("path"); + + // check that <path> is not an absolute root + if (path == "" || path == "/" || path == "\\") { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> contains no '../' + if (HandlerUtils::hasForbiddenCombinations(path)) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // transform virtual path to actual file system one + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd, false) || path.empty()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> exists, is directory and isn't forbidden + AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path); + if (!HandlerUtils::permittedPath(node->getPath())) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + if (!node->exists()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("The parent directory doesn't exist!")); + return; + } + if (!node->isDirectory()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Can't upload into a file!")); + return; + } + + // if all OK, set special handler + client.setHandler(new UploadFileClientHandler(path)); +} + +} // End of namespace Networking |