CLOUD: Move "/create" to separate Handler

It does redirect to "/files" on success, so user doesn't even see the strange "/create" URL at all. This commit is for keeping these handlers small, not making one (FilesPageHandler in this case) do everything.
author: Alexander Tkachev 2016-07-06 18:33:34 +0600
committer: Alexander Tkachev 2016-08-24 16:07:55 +0600
commit: 8a9d126152f3e0ed1e91daa15dd90f0c18060492 (patch)
tree: d9f96a1f15e041ea493a7077ba1ab4ccc52a7da4 /backends/networking
parent: ab4361a76b40b56348ec46311121a0552f0c9d6b (diff)
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6 files changed, 203 insertions, 83 deletions
diff --git a/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp b/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp
new file mode 100644
index 0000000000..ad8a67a7e8
--- /dev/null
+++ b/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp
@@ -0,0 +1,132 @@
+/* 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/networking/sdl_net/localwebserver.h"
+#include "backends/fs/fs-factory.h"
+#include "common/file.h"
+#include "common/translation.h"
+
+namespace Networking {
+
+#define INDEX_PAGE_NAME ".index.html"
+
+CreateDirectoryHandler::CreateDirectoryHandler() {}
+
+CreateDirectoryHandler::~CreateDirectoryHandler() {}
+
+void CreateDirectoryHandler::handle(Client &client) {
+	Common::String path = client.queryParameter("path");
+	Common::String name = client.queryParameter("directory_name");
+	Common::String errorMessage = "";
+
+	// show an error message if failed to create directory	
+	if (!createDirectory(path, name, errorMessage)) {
+		handleErrorMessage(
+			client,
+			Common::String::format(
+				"%s<br/><a href=\"files?path=/\">%s</a>",
+				errorMessage.c_str(),
+				_("Back to the files manager")
+				)
+			);
+		return;
+	}
+
+	Common::String response = "<html><head><title>ScummVM</title></head><body>{message}</body></html>";
+
+	// load stylish response page from the archive
+	Common::SeekableReadStream *const stream = getArchiveFile(INDEX_PAGE_NAME);
+	if (stream) response = readEverythingFromStream(stream);
+
+	replace(response, "{message}", Common::String::format(
+			"%s<br/><a href=\"files?path=%s\">%s</a>",
+			_("Directory created successfully!"),
+			client.queryParameter("path").c_str(),
+			_("Back to parent directory")
+		)
+	);
+	LocalWebserver::setClientRedirectHandler(client, response, "/files?path=" + client.queryParameter("path"));
+}
+
+void CreateDirectoryHandler::handleErrorMessage(Client &client, Common::String message) {
+	Common::String response = "<html><head><title>ScummVM</title></head><body>{message}</body></html>";
+
+	// load stylish response page from the archive
+	Common::SeekableReadStream *const stream = getArchiveFile(INDEX_PAGE_NAME);
+	if (stream) response = readEverythingFromStream(stream);
+
+	replace(response, "{message}", message);
+	LocalWebserver::setClientGetHandler(client, response);
+}
+
+bool CreateDirectoryHandler::createDirectory(Common::String path, Common::String name, Common::String &errorMessage) {
+	// check that <path> is not an absolute root
+	if (path == "" || path == "/") {
+		errorMessage = _("Can't create directory here!");
+		return false;
+	}
+
+	// transform virtual path to actual file system one
+	Common::String prefixToRemove = "", prefixToAdd = "";
+	if (!transformPath(path, prefixToRemove, prefixToAdd) || path.empty()) {
+		errorMessage = _("Invalid path!");
+		return false;
+	}
+
+	// check that <path> exists and is directory
+	AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path);
+	if (!node->exists()) {
+		errorMessage = _("Parent directory doesn't exists!");
+		return false;
+	}
+	if (!node->isDirectory()) {
+		errorMessage = _("Can't create a directory within a file!");
+		return false;
+	}
+	
+	// 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()) {
+			errorMessage = _("There is a file with that name in the parent directory!");
+			return false;
+		} else return true;
+	}
+	
+	// create the <directory_name> in <path>
+	if (!node->create(true)) {
+		errorMessage = _("Failed to create the directory!");
+		return false;
+	}
+
+	return true;
+}
+
+/// public
+
+ClientHandlerCallback CreateDirectoryHandler::getHandler() {
+	return new Common::Callback<CreateDirectoryHandler, Client &>(this, &CreateDirectoryHandler::handle);
+}
+
+} // End of namespace Networking
diff --git a/backends/networking/sdl_net/handlers/createdirectoryhandler.h b/backends/networking/sdl_net/handlers/createdirectoryhandler.h
new file mode 100644
index 0000000000..023c3e74f2
--- /dev/null
+++ b/backends/networking/sdl_net/handlers/createdirectoryhandler.h
@@ -0,0 +1,51 @@
+/* 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.
+*
+*/
+
+#ifndef BACKENDS_NETWORKING_SDL_NET_CREATEDIRECTORYHANDLER_H
+#define BACKENDS_NETWORKING_SDL_NET_CREATEDIRECTORYHANDLER_H
+
+#include "backends/networking/sdl_net/handlers/filesbasehandler.h"
+
+namespace Networking {
+
+class CreateDirectoryHandler: public FilesBaseHandler {
+	void handle(Client &client);
+	void handleErrorMessage(Client &client, Common::String message);
+
+	/**
+	 * Creates the directory <name> in <path>.
+	 *
+	 * Fills <errorMessage> on failure.
+	 *
+	 * Returns true on success.
+	 */
+	bool createDirectory(Common::String path, Common::String name, Common::String &errorMessage);
+public:
+	CreateDirectoryHandler();
+	virtual ~CreateDirectoryHandler();
+
+	virtual ClientHandlerCallback getHandler();
+};
+
+} // End of namespace Networking
+
+#endif
diff --git a/backends/networking/sdl_net/handlers/filespagehandler.cpp b/backends/networking/sdl_net/handlers/filespagehandler.cpp
index 327071fc11..2ecb448c3c 100644
--- a/backends/networking/sdl_net/handlers/filespagehandler.cpp
+++ b/backends/networking/sdl_net/handlers/filespagehandler.cpp
@@ -22,7 +22,6 @@
 
 #include "backends/networking/sdl_net/handlers/filespagehandler.h"
 #include "backends/networking/sdl_net/localwebserver.h"
-#include "backends/fs/fs-factory.h"
 #include "common/file.h"
 #include "common/translation.h"
 
@@ -36,11 +35,6 @@ FilesPageHandler::FilesPageHandler() {}
 FilesPageHandler::~FilesPageHandler() {}
 
 void FilesPageHandler::handle(Client &client) {
-	if (client.path() == "/files") handleFiles(client);
-	else handleCreateDirectory(client);
-}
-
-void FilesPageHandler::handleFiles(Client &client) {
 	Common::String response = "<html><head><title>ScummVM</title></head><body><table>{content}</table></body></html>"; //TODO: add controls
 	Common::String itemTemplate = "<tr><td><a href=\"{link}\">{name}</a></td><td>{size}</td></tr>\n"; //TODO: load this template too?
 
@@ -77,27 +71,6 @@ void FilesPageHandler::handleFiles(Client &client) {
 	LocalWebserver::setClientGetHandler(client, response);
 }
 
-void FilesPageHandler::handleCreateDirectory(Client &client) {
-	Common::String path = client.queryParameter("path");
-	Common::String name = client.queryParameter("directory_name");
-	Common::String errorMessage = "";
-
-	// show an error message if failed to create directory	
-	if (!createDirectory(path, name, errorMessage)) {
-		handleErrorMessage(
-			client,
-			Common::String::format(
-				"%s<br/><a href=\"files?path=/\">%s</a>",
-				errorMessage.c_str(),
-				_("Back to the files manager")
-				)
-			);
-		return;
-	}
-
-	handleFiles(client);
-}
-
 void FilesPageHandler::handleErrorMessage(Client &client, Common::String message) {
 	Common::String response = "<html><head><title>ScummVM</title></head><body>{message}</body></html>";
 
@@ -109,50 +82,6 @@ void FilesPageHandler::handleErrorMessage(Client &client, Common::String message
 	LocalWebserver::setClientGetHandler(client, response);
 }
 
-bool FilesPageHandler::createDirectory(Common::String path, Common::String name, Common::String &errorMessage) {
-	// check that <path> is not an absolute root
-	if (path == "" || path == "/") {
-		errorMessage = _("Can't create directory here!");
-		return false;
-	}
-
-	// transform virtual path to actual file system one
-	Common::String prefixToRemove = "", prefixToAdd = "";
-	if (!transformPath(path, prefixToRemove, prefixToAdd) || path.empty()) {
-		errorMessage = _("Invalid path!");
-		return false;
-	}
-
-	// check that <path> exists and is directory
-	AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path);
-	if (!node->exists()) {
-		errorMessage = _("Parent directory doesn't exists!");
-		return false;
-	}
-	if (!node->isDirectory()) {
-		errorMessage = _("Can't create a directory within a file!");
-		return false;
-	}
-	
-	// 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()) {
-			errorMessage = _("There is a file with that name in the parent directory!");
-			return false;
-		} else return true;
-	}
-	
-	// create the <directory_name> in <path>
-	if (!node->create(true)) {
-		errorMessage = _("Failed to create the directory!");
-		return false;
-	}
-
-	return true;
-}
-
 bool FilesPageHandler::listDirectory(Common::String path, Common::String &content, const Common::String &itemTemplate) {
 	if (path == "" || path == "/") {
 		addItem(content, itemTemplate, true, "/root/", _("File system root"));
diff --git a/backends/networking/sdl_net/handlers/filespagehandler.h b/backends/networking/sdl_net/handlers/filespagehandler.h
index e5a32c98b0..6205dcd52c 100644
--- a/backends/networking/sdl_net/handlers/filespagehandler.h
+++ b/backends/networking/sdl_net/handlers/filespagehandler.h
@@ -29,20 +29,9 @@ namespace Networking {
 
 class FilesPageHandler: public FilesBaseHandler {
 	void handle(Client &client);
-	void handleFiles(Client &client);
-	void handleCreateDirectory(Client &client);
 	void handleErrorMessage(Client &client, Common::String message);
 
 	/**
-	 * Creates the directory <name> in <path>.
-	 *
-	 * Fills <errorMessage> on failure.
-	 *
-	 * Returns true on success.
-	 */
-	bool createDirectory(Common::String path, Common::String name, Common::String &errorMessage);
-
-	/**
 	 * Lists the directory <path>.
 	 *
 	 * Returns true on success.
diff --git a/backends/networking/sdl_net/localwebserver.cpp b/backends/networking/sdl_net/localwebserver.cpp
index c8f322dad6..b2eff1667f 100644
--- a/backends/networking/sdl_net/localwebserver.cpp
+++ b/backends/networking/sdl_net/localwebserver.cpp
@@ -44,7 +44,7 @@ LocalWebserver::LocalWebserver(): _set(nullptr), _serverSocket(nullptr), _timerS
 	_stopOnIdle(false), _clients(0), _idlingFrames(0) {
 	addPathHandler("/", _indexPageHandler.getHandler());
 	addPathHandler("/files", _filesPageHandler.getHandler());
-	addPathHandler("/create", _filesPageHandler.getHandler()); //"Create directory" feature
+	addPathHandler("/create", _createDirectoryHandler.getHandler());
 	_defaultHandler = _resourceHandler.getHandler();
 }
 
@@ -252,6 +252,21 @@ void LocalWebserver::setClientGetHandler(Client &client, Common::SeekableReadStr
 	client.setHandler(handler);
 }
 
+void LocalWebserver::setClientRedirectHandler(Client &client, Common::String response, Common::String location, const char *mimeType) {
+	byte *data = new byte[response.size()];
+	memcpy(data, response.c_str(), response.size());
+	Common::MemoryReadStream *stream = new Common::MemoryReadStream(data, response.size(), DisposeAfterUse::YES);
+	setClientRedirectHandler(client, stream, location, mimeType);
+}
+
+void LocalWebserver::setClientRedirectHandler(Client &client, Common::SeekableReadStream *responseStream, Common::String location, const char *mimeType) {
+	GetClientHandler *handler = new GetClientHandler(responseStream);
+	handler->setResponseCode(302); //redirect
+	handler->setHeader("Location", location);
+	if (mimeType) handler->setHeader("Content-Type", mimeType);
+	client.setHandler(handler);
+}
+
 const char *LocalWebserver::determineMimeType(Common::String &filename) {
 	// text
 	if (filename.hasSuffix(".html")) return "text/html";
diff --git a/backends/networking/sdl_net/localwebserver.h b/backends/networking/sdl_net/localwebserver.h
index 2e56209ab0..ed1860a937 100644
--- a/backends/networking/sdl_net/localwebserver.h
+++ b/backends/networking/sdl_net/localwebserver.h
@@ -25,6 +25,7 @@
 
 #include "backends/networking/sdl_net/client.h"
 #include "backends/networking/sdl_net/handlers/basehandler.h"
+#include "backends/networking/sdl_net/handlers/createdirectoryhandler.h"
 #include "backends/networking/sdl_net/handlers/filespagehandler.h"
 #include "backends/networking/sdl_net/handlers/indexpagehandler.h"
 #include "backends/networking/sdl_net/handlers/resourcehandler.h"
@@ -59,6 +60,7 @@ class LocalWebserver : public Common::Singleton<LocalWebserver> {
 	ClientHandlerCallback _defaultHandler;
 	IndexPageHandler _indexPageHandler;
 	FilesPageHandler _filesPageHandler;
+	CreateDirectoryHandler _createDirectoryHandler;
 	ResourceHandler _resourceHandler;
 	uint32 _idlingFrames;
 	Common::Mutex _handleMutex;
@@ -86,6 +88,8 @@ public:
 
 	static void setClientGetHandler(Client &client, Common::String response, long code = 200, const char *mimeType = nullptr);
 	static void setClientGetHandler(Client &client, Common::SeekableReadStream *responseStream, long code = 200, const char *mimeType = nullptr);
+	static void setClientRedirectHandler(Client &client, Common::String response, Common::String location, const char *mimeType = nullptr);
+	static void setClientRedirectHandler(Client &client, Common::SeekableReadStream *responseStream, Common::String location, const char *mimeType = nullptr);
 	static const char *determineMimeType(Common::String &filename);
 	static Common::String urlDecode(Common::String value);
 };
author	Alexander Tkachev	2016-07-06 18:33:34 +0600
committer	Alexander Tkachev	2016-08-24 16:07:55 +0600
commit	8a9d126152f3e0ed1e91daa15dd90f0c18060492 (patch)
tree	d9f96a1f15e041ea493a7077ba1ab4ccc52a7da4 /backends/networking
parent	ab4361a76b40b56348ec46311121a0552f0c9d6b (diff)
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