scummvm/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp
2021-02-22 10:54:07 +00:00

129 lines
4.6 KiB
C++

/* 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/createdirectoryhandler.h"
#include "backends/fs/fs-factory.h"
#include "backends/networking/sdl_net/handlerutils.h"
#include "backends/networking/sdl_net/localwebserver.h"
#include "common/translation.h"
#include "common/callback.h"
namespace Networking {
CreateDirectoryHandler::CreateDirectoryHandler() {}
CreateDirectoryHandler::~CreateDirectoryHandler() {}
void CreateDirectoryHandler::handleError(Client &client, Common::String message) const {
if (client.queryParameter("answer_json") == "true")
setJsonResponseHandler(client, "error", message);
else
HandlerUtils::setFilesManagerErrorMessageHandler(client, message);
}
void CreateDirectoryHandler::setJsonResponseHandler(Client &client, Common::String type, Common::String message) const {
Common::JSONObject response;
response.setVal("type", new Common::JSONValue(type));
response.setVal("message", new Common::JSONValue(message));
Common::JSONValue json = response;
LocalWebserver::setClientGetHandler(client, json.stringify(true));
}
/// public
void CreateDirectoryHandler::handle(Client &client) {
Common::String path = client.queryParameter("path");
Common::String name = client.queryParameter("directory_name");
// check that <path> is not an absolute root
if (path == "" || path == "/") {
handleError(client, Common::convertFromU32String(_("Can't create directory here!")));
return;
}
// check that <path> contains no '../'
if (HandlerUtils::hasForbiddenCombinations(path)) {
handleError(client, Common::convertFromU32String(_("Invalid path!")));
return;
}
// transform virtual path to actual file system one
Common::String prefixToRemove = "", prefixToAdd = "";
if (!transformPath(path, prefixToRemove, prefixToAdd) || path.empty()) {
handleError(client, Common::convertFromU32String(_("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())) {
handleError(client, Common::convertFromU32String(_("Invalid path!")));
return;
}
if (!node->exists()) {
handleError(client, Common::convertFromU32String(_("Parent directory doesn't exists!")));
return;
}
if (!node->isDirectory()) {
handleError(client, Common::convertFromU32String(_("Can't create a directory within a file!")));
return;
}
// check that <directory_name> doesn't exist or is directory
if (path.lastChar() != '/' && path.lastChar() != '\\')
path += '/';
node = g_system->getFilesystemFactory()->makeFileNodePath(path + name);
if (node->exists()) {
if (!node->isDirectory()) {
handleError(client, Common::convertFromU32String(_("There is a file with that name in the parent directory!")));
return;
}
} else {
// create the <directory_name> in <path>
if (!node->createDirectory()) {
handleError(client, Common::convertFromU32String(_("Failed to create the directory!")));
return;
}
}
// if json requested, respond with it
if (client.queryParameter("answer_json") == "true") {
setJsonResponseHandler(client, "success", Common::convertFromU32String(_("Directory created successfully!")));
return;
}
// set redirect on success
HandlerUtils::setMessageHandler(
client,
Common::String::format(
"%s<br/><a href=\"files?path=%s\">%s</a>",
Common::convertFromU32String(_("Directory created successfully!")).c_str(),
client.queryParameter("path").c_str(),
Common::convertFromU32String(_("Back to parent directory")).c_str()
),
(client.queryParameter("ajax") == "true" ? "/filesAJAX?path=" : "/files?path=") +
LocalWebserver::urlEncodeQueryParameterValue(client.queryParameter("path"))
);
}
} // End of namespace Networking