CLOUD: Add "directory" form for webserver "/upload"

The attribute is Chrome-only.

backends/networking/sdl_net/handlers/filespagehandler.cpp

@@ -59,7 +59,9 @@ void FilesPageHandler::handle(Client &client) {
 				"<hr/>" \
 				"<p>{upload_file_desc}</p>" \
 				"<form action=\"upload?path={path}\" method=\"post\" enctype=\"multipart/form-data\">" \
-					"<input type=\"file\" name=\"upload_file[]\" multiple/>" \
+					"<input type=\"file\" name=\"upload_file-f\" allowdirs multiple/>" \
+					"<span>{or_upload_directory_desc}</span>" \
+					"<input type=\"file\" name=\"upload_file-d\" directory webkitdirectory multiple/>" \
 					"<input type=\"submit\" value=\"{upload_file_button}\"/>" \
 				"</form>"
 				"<hr/>" \
@@ -90,6 +92,7 @@ void FilesPageHandler::handle(Client &client) {
 	replace(response, "{upload_file_button}", _("Upload files")); //button in the tab
 	replace(response, "{create_directory_desc}", _("Type new directory name:"));
 	replace(response, "{upload_file_desc}", _("Select a file to upload:"));
+	replace(response, "{or_upload_directory_desc}", _("Or select a directory (works in Chrome only):"));
 	replace(response, "{content}", content);	
 	LocalWebserver::setClientGetHandler(client, response);
 }

backends/networking/sdl_net/uploadfileclienthandler.cpp

@@ -24,6 +24,7 @@
 #include "backends/fs/fs-factory.h"
 #include "backends/networking/sdl_net/handlerutils.h"
 #include "backends/networking/sdl_net/localwebserver.h"
+#include "common/file.h"
 #include "common/memstream.h"
 #include "common/translation.h"
 
@@ -31,7 +32,7 @@ namespace Networking {
 
 UploadFileClientHandler::UploadFileClientHandler(Common::String parentDirectoryPath):
 	_state(UFH_READING_CONTENT), _headersStream(nullptr), _contentStream(nullptr),
-	_parentDirectoryPath(parentDirectoryPath) {}
+	_parentDirectoryPath(parentDirectoryPath), _uploadedFiles(0) {}
 
 UploadFileClientHandler::~UploadFileClientHandler() {
 	delete _headersStream;
@@ -114,16 +115,13 @@ void UploadFileClientHandler::handleBlockHeaders(Client *client) {
 	Common::String headers = readEverythingFromMemoryStream(_headersStream);
 	Common::String fieldName = "";
 	readFromThatUntilDoubleQuote(headers.c_str(), "name=\"", fieldName);
-	if (!fieldName.hasPrefix("upload_file[")) return;
+	if (!fieldName.hasPrefix("upload_file")) return;
 
 	Common::String filename = "";
 	readFromThatUntilDoubleQuote(headers.c_str(), "filename=\"", filename);
 
-	// check that <filename> is not empty
-	if (filename.empty()) {
-		setErrorMessageHandler(*client, _("Invalid filename!"));
-		return;
-	}
+	// skip block if <filename> is empty
+	if (filename.empty()) return;
 
 	// check that <path>/<filename> doesn't exist
 	Common::String path = _parentDirectoryPath;
@@ -134,12 +132,15 @@ void UploadFileClientHandler::handleBlockHeaders(Client *client) {
 		return;
 	}
 
-	// create file stream
-	_contentStream = originalNode->createWriteStream();
-	if (_contentStream == nullptr) {
+	// create file stream (and necessary subdirectories)
+	Common::DumpFile *f = new Common::DumpFile();
+	if (!f->open(originalNode->getPath(), true)) {
+		delete f;
 		setErrorMessageHandler(*client, _("Failed to upload the file!"));
 		return;
 	}
+
+	_contentStream = f;
 }
 
 void UploadFileClientHandler::handleBlockContent(Client *client) {
@@ -148,6 +149,7 @@ void UploadFileClientHandler::handleBlockContent(Client *client) {
 	// if previous block headers were file-related and created a stream
 	if (_contentStream) {
 		_contentStream->flush();
+		++_uploadedFiles;
 
 		if (client->noMoreContent()) {
 			// success - redirect back to directory listing
@@ -165,9 +167,12 @@ void UploadFileClientHandler::handleBlockContent(Client *client) {
 		}
 	}
 	
-	// if no file field was found, but no more content avaiable - failure
+	// no more content avaiable
 	if (client->noMoreContent()) {
-		setErrorMessageHandler(*client, _("No file was passed!"));
+		// if no file field was found - failure
+		if (_uploadedFiles == 0) {
+			setErrorMessageHandler(*client, _("No file was passed!"));
+		} else _state = UFH_STOP;
 		return;
 	}
 }

backends/networking/sdl_net/uploadfileclienthandler.h

@@ -41,6 +41,7 @@ class UploadFileClientHandler: public ClientHandler {
 	Common::MemoryReadWriteStream *_headersStream;
 	Common::WriteStream *_contentStream;
 	Common::String _parentDirectoryPath;
+	uint32 _uploadedFiles;
 
 	void handleBlockHeaders(Client *client);
 	void handleBlockContent(Client *client);

backends/networking/wwwroot/.files.html

@@ -26,7 +26,13 @@
 				<div id="upload_file" class="modal">
 					<p>{upload_file_desc}</p>
 					<form action="upload?path={path}" method="post" enctype="multipart/form-data">
-						<input type="file" name="upload_file[]" multiple/>
+						<!-- 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/>
+						<br/><br/>
+						<p>{or_upload_directory_desc}</p>
+						<!-- "directory"/"webkitdirectory" works in Chrome only yet, "multiple" is just in case here -->
+						<input type="file" name="upload_file-d" directory webkitdirectory multiple/>
 						<input type="submit" value="{upload_file_button}"/>
 					</form>
 				</div>