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/**
* @file rlvhandler.cpp
* @author Kitty Barnett
* @brief RLVa helper classes for internal use only
*
* $LicenseInfo:firstyear=2024&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2024, 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 "llviewerprecompiledheaders.h"
#include "llagent.h"
#include "llstartup.h"
#include "llviewercontrol.h"
#include "llviewerobject.h"
#include "rlvcommon.h"
#include "rlvhandler.h"
#include "rlvhelper.h"
#include <boost/algorithm/string.hpp>
using namespace Rlv;
// ============================================================================
// Static variable initialization
//
bool RlvHandler::mIsEnabled = false;
// ============================================================================
// Command processing functions
//
bool RlvHandler::handleSimulatorChat(std::string& message, const LLChat& chat, const LLViewerObject* chatObj)
{
// *TODO: There's an edge case for temporary attachments when going from enabled -> disabled with restrictions already in place
static LLCachedControl<bool> enable_temp_attach(gSavedSettings, Settings::EnableTempAttach);
static LLCachedControl<bool> show_debug_output(gSavedSettings, Settings::Debug);
static LLCachedControl<bool> hide_unset_dupes(gSavedSettings, Settings::DebugHideUnsetDup);
if ( message.length() <= 3 || Constants::CmdPrefix != message[0] || CHAT_TYPE_OWNER != chat.mChatType ||
(chatObj && chatObj->isTempAttachment() && !enable_temp_attach()) )
{
return false;
}
message.erase(0, 1);
LLStringUtil::toLower(message);
CommandDbgOut cmdDbgOut(message, chatObj->getID() == gAgentID);
boost_tokenizer tokens(message, boost::char_separator<char>(",", "", boost::drop_empty_tokens));
for (const std::string& strCmd : tokens)
{
ECmdRet eRet = processCommand(chat.mFromID, strCmd, true);
if ( show_debug_output() &&
(!hide_unset_dupes() || (ECmdRet::SuccessUnset != eRet && ECmdRet::SuccessDuplicate != eRet)) )
{
cmdDbgOut.add(strCmd, eRet);
}
}
message = cmdDbgOut.get();
return true;
}
ECmdRet RlvHandler::processCommand(const LLUUID& idObj, const std::string& strCmd, bool fromObj)
{
const RlvCommand rlvCmd(idObj, strCmd);
return processCommand(std::ref(rlvCmd), fromObj);
}
ECmdRet RlvHandler::processCommand(std::reference_wrapper<const RlvCommand> rlvCmd, bool fromObj)
{
{
const RlvCommand& rlvCmdTmp = rlvCmd; // Reference to the temporary with limited variable scope since we don't want it to leak below
RLV_DEBUGS << "[" << rlvCmdTmp.getObjectID() << "]: " << rlvCmdTmp.asString() << RLV_ENDL;
if (!rlvCmdTmp.isValid())
{
RLV_DEBUGS << "\t-> invalid syntax" << RLV_ENDL;
return ECmdRet::FailedSyntax;
}
if (rlvCmdTmp.isBlocked())
{
RLV_DEBUGS << "\t-> blocked command" << RLV_ENDL;
return ECmdRet::FailedDisabled;
}
}
ECmdRet eRet = ECmdRet::Unknown;
switch (rlvCmd.get().getParamType())
{
case EParamType::Reply:
eRet = rlvCmd.get().processCommand();
break;
case EParamType::Unknown:
default:
eRet = ECmdRet::FailedParam;
break;
}
RLV_ASSERT(ECmdRet::Unknown != eRet);
RLV_DEBUGS << "\t--> command " << (isReturnCodeSuccess(eRet) ? "succeeded" : "failed") << RLV_ENDL;
return eRet;
}
// ============================================================================
// Initialization helper functions
//
bool RlvHandler::canEnable()
{
return LLStartUp::getStartupState() <= STATE_LOGIN_CLEANUP;
}
bool RlvHandler::setEnabled(bool enable)
{
if (mIsEnabled == enable)
return enable;
if (enable && canEnable())
{
RLV_INFOS << "Enabling Restrained Love API support - " << Strings::getVersionAbout() << RLV_ENDL;
mIsEnabled = true;
}
return mIsEnabled;
}
// ============================================================================
// Command handlers (RLV_TYPE_REPLY)
//
ECmdRet CommandHandlerBaseImpl<EParamType::Reply>::processCommand(const RlvCommand& rlvCmd, ReplyHandlerFunc* pHandler)
{
// Sanity check - <param> should specify a - valid - reply channel
S32 nChannel;
if (!LLStringUtil::convertToS32(rlvCmd.getParam(), nChannel) || !Util::isValidReplyChannel(nChannel, rlvCmd.getObjectID() == gAgentID))
return ECmdRet::FailedParam;
std::string strReply;
ECmdRet eRet = (*pHandler)(rlvCmd, strReply);
// If we made it this far then:
// - the command was handled successfully so we send off the response
// - the command failed but we still send off an - empty - response to keep the issuing script from blocking
if (nChannel != 0)
{
Util::sendChatReply(nChannel, strReply);
}
RlvHandler::instance().mOnCommandOutput(rlvCmd, nChannel, strReply);
return eRet;
}
// Handles: @getcommand[:<behaviour>[;<type>[;<separator>]]]=<channel>
template<> template<>
ECmdRet ReplyHandler<EBehaviour::GetCommand>::onCommand(const RlvCommand& rlvCmd, std::string& strReply)
{
std::vector<std::string> optionList;
Util::parseStringList(rlvCmd.getOption(), optionList);
// If a second parameter is present it'll specify the command type
EParamType eType = EParamType::Unknown;
if (optionList.size() >= 2)
{
if (optionList[1] == "any" || optionList[1].empty())
eType = EParamType::Unknown;
else if (optionList[1] == "add")
eType = EParamType::AddRem;
else if (optionList[1] == "force")
eType = EParamType::Force;
else if (optionList[1] == "reply")
eType = EParamType::Reply;
else
return ECmdRet::FailedOption;
}
std::list<std::string> cmdList;
if (BehaviourDictionary::instance().getCommands(!optionList.empty() ? optionList[0] : LLStringUtil::null, eType, cmdList))
strReply = boost::algorithm::join(cmdList, optionList.size() >= 3 ? optionList[2] : Constants::OptionSeparator);
return ECmdRet::Succeeded;
}
// Handles: @version=<chnannel> and @versionnew=<channel>
template<> template<>
ECmdRet VersionReplyHandler::onCommand(const RlvCommand& rlvCmd, std::string& strReply)
{
strReply = Strings::getVersion(EBehaviour::Version == rlvCmd.getBehaviourType());
return ECmdRet::Succeeded;
}
// Handles: @versionnum[:impl]=<channel>
template<> template<>
ECmdRet ReplyHandler<EBehaviour::VersionNum>::onCommand(const RlvCommand& rlvCmd, std::string& strReply)
{
if (!rlvCmd.hasOption())
strReply = Strings::getVersionNum();
else if ("impl" == rlvCmd.getOption())
strReply = Strings::getVersionImplNum();
else
return ECmdRet::FailedOption;
return ECmdRet::Succeeded;
}
// ============================================================================
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