/**
 * @file lltrustedmessageservice.cpp
 * @brief LLTrustedMessageService implementation
 *
 * $LicenseInfo:firstyear=2009&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "linden_common.h"

#include "lltrustedmessageservice.h"
#include "llhost.h"
#include "llmessageconfig.h"
#include "message.h"


bool LLTrustedMessageService::validate(const std::string& name, LLSD& context)
const
{
	return true;
}

void LLTrustedMessageService::post(LLHTTPNode::ResponsePtr response,
								   const LLSD& context,
								   const LLSD& input) const
{
	std::string name = context[CONTEXT_REQUEST][CONTEXT_WILDCARD]["message-name"];
	std::string senderIP = context[CONTEXT_REQUEST][CONTEXT_REMOTE_HOST];
	std::string senderPort = context[CONTEXT_REQUEST][CONTEXT_HEADERS]
		["x-secondlife-udp-listen-port"];

	LLSD message_data;
	std::string sender = senderIP + ":" + senderPort;
	message_data["sender"] = sender;
	message_data["body"] = input;
	
	// untrusted senders should not have access to the trusted message
	// service, but this can happen in development, so check and warn
	LLMessageConfig::SenderTrust trust =
		LLMessageConfig::getSenderTrustedness(name);
	if ((trust == LLMessageConfig::TRUSTED ||
		 (trust == LLMessageConfig::NOT_SET &&
		  gMessageSystem->isTrustedMessage(name)))
		 && !gMessageSystem->isTrustedSender(LLHost(sender)))
	{
		LL_WARNS("Messaging") << "trusted message POST to /trusted-message/" 
				<< name << " from unknown or untrusted sender "
				<< sender << llendl;
		response->status(HTTP_FORBIDDEN, "Unknown or untrusted sender");
	}
	else
	{
		gMessageSystem->receivedMessageFromTrustedSender();
		if (input.has("binary-template-data"))
		{
			llinfos << "Dispatching template: " << input << llendl;
			// try and send this message using udp dispatch
			LLMessageSystem::dispatchTemplate(name, message_data, response);
		}
		else
		{
			llinfos << "Dispatching without template: " << input << llendl;
			LLMessageSystem::dispatch(name, message_data, response);
		}
	}
}