CLOUD: Add "ajax" parameter for "/create" and "/upload"

If it's set, these redirect to "/filesAJAX" instead of "/files".

backends/networking/sdl_net/handlers/createdirectoryhandler.cpp

@@ -85,7 +85,9 @@ void CreateDirectoryHandler::handle(Client &client) {
 			client.queryParameter("path").c_str(),
 			_("Back to parent directory")
 		),
-		"/files?path=" + LocalWebserver::urlEncodeQueryParameterValue(client.queryParameter("path"))
+
+		(client.queryParameter("ajax") == "true" ? "/filesAJAX?path=" : "/files?path=") +
+			LocalWebserver::urlEncodeQueryParameterValue(client.queryParameter("path"))
 	);
 }
 

backends/networking/sdl_net/handlers/filesajaxpagehandler.cpp

@@ -33,6 +33,19 @@ FilesAjaxPageHandler::FilesAjaxPageHandler() {}
 
 FilesAjaxPageHandler::~FilesAjaxPageHandler() {}
 
+namespace {
+Common::String encodeDoubleQuotesAndSlashes(Common::String s) {
+	Common::String result = "";
+	for (uint32 i = 0; i < s.size(); ++i)
+		if (s[i] == '"') {
+			result += "\\\"";
+		} else if (s[i] == '\\') {
+			result += "\\\\";
+		} else result += s[i];
+		return result;
+}
+}
+
 void FilesAjaxPageHandler::handle(Client &client) {
 	// load stylish response page from the archive
 	Common::SeekableReadStream *const stream = HandlerUtils::getArchiveFile(FILES_PAGE_NAME);
@@ -55,6 +68,7 @@ void FilesAjaxPageHandler::handle(Client &client) {
 	replace(response, "{index_of}", _("Index of "));
 	replace(response, "{loading}", _("Loading..."));
 	replace(response, "{error}", _("Error occurred"));
+	replace(response, "{start_path}", encodeDoubleQuotesAndSlashes(path));
 	LocalWebserver::setClientGetHandler(client, response);
 }
 

backends/networking/sdl_net/uploadfileclienthandler.cpp

@@ -160,7 +160,9 @@ void UploadFileClientHandler::handleBlockContent(Client *client) {
 					client->queryParameter("path").c_str(),
 					_("Back to parent directory")
 				),
-				"/files?path=" + LocalWebserver::urlEncodeQueryParameterValue(client->queryParameter("path"))
+
+				(client->queryParameter("ajax") == "true" ? "/filesAJAX?path=" : "/files?path=") +
+					LocalWebserver::urlEncodeQueryParameterValue(client->queryParameter("path"))
 			);
 			_state = UFH_STOP;		
 			return;

backends/networking/wwwroot/.filesAJAX.html

@@ -19,13 +19,14 @@
 					<p>{create_directory_desc}</p>
 					<form action="create" id="create_directory_form">
 						<input type="hidden" name="path" value="{path}"/>
+						<input type="hidden" name="ajax" value="true"/>
 						<input type="text" name="directory_name" value=""/>
 						<input type="submit" value="{create_directory_button}"/>
 					</form>
 				</div>
 				<div id="upload_file" class="modal">
 					<p>{upload_file_desc}</p>
-					<form action="upload?path={path}" method="post" enctype="multipart/form-data" id="files_upload_form">
+					<form action="upload?path={path}&ajax=true" method="post" enctype="multipart/form-data" id="files_upload_form">
 						<!-- we don't need "[]" in the name, as our webserver is not using PHP -->
 						<!-- "allowdirs" is a proposal, not implemented yet -->
 						<input type="file" name="upload_file-f" allowdirs multiple/>
@@ -59,7 +60,7 @@
 		<script src="ajax.js"></script>
 		<script>
 			window.onload = function () {
-				showDirectory("/");
+				showDirectory("{start_path}");
 			}
 
 			function showDirectory(path) {
@@ -112,7 +113,7 @@
 			function openDirectory(path, items) {
 				// update path
 				document.getElementById("create_directory_form").elements["path"].value = path;
-				document.getElementById("files_upload_form").action = "upload?path=" + path;
+				document.getElementById("files_upload_form").action = "upload?path=" + path + "&ajax=true";
 
 				// update table contents
 				listDirectory(path, items);