Initial commit

backends/networking/sdl_net/handlers/createdirectoryhandler.cpp

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+/* 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 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "backends/networking/sdl_net/handlers/createdirectoryhandler.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, const Common::String &message) const {
+	if (client.queryParameter("answer_json") == "true")
+		setJsonResponseHandler(client, "error", message);
+	else
+		HandlerUtils::setFilesManagerErrorMessageHandler(client, message);
+}
+
+void CreateDirectoryHandler::setJsonResponseHandler(Client &client, const Common::String &type, const 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 basePath;
+	Common::Path baseFSPath, fsPath;
+	if (!urlToPath(path, fsPath, basePath, baseFSPath)) {
+		handleError(client, Common::convertFromU32String(_("Invalid path!")));
+		return;
+	}
+
+	// check that <path> exists, is directory and isn't forbidden
+	Common::FSNode node(fsPath);
+	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
+	node = Common::FSNode(fsPath.appendComponent(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