void DelChans(const CString& sChans) {
		VCString vsChans;
		sChans.Split(" ", vsChans);

		for (unsigned int a = 0; a < vsChans.size(); a++) {
			m_ssChans.erase(vsChans[a].AsLower());
		}
	}

CString CLogMod::JoinRules(const CString& sSeparator) const
{
	VCString vsRules;
	for (const CLogRule& Rule : m_vRules) {
		vsRules.push_back(Rule.ToString());
	}

	return sSeparator.Join(vsRules.begin(), vsRules.end());
}

bool CClient::OnJoinMessage(CJoinMessage& Message) {
    CString sChans = Message.GetTarget();
    CString sKeys = Message.GetKey();

    VCString vsChans;
    sChans.Split(",", vsChans, false);
    sChans.clear();

    VCString vsKeys;
    sKeys.Split(",", vsKeys, true);
    sKeys.clear();

    for (unsigned int a = 0; a < vsChans.size(); a++) {
        Message.SetTarget(vsChans[a]);
        Message.SetKey((a < vsKeys.size()) ? vsKeys[a] : "");
        if (m_pNetwork) {
            // May be nullptr.
            Message.SetChan(m_pNetwork->FindChan(vsChans[a]));
        }
        bool bContinue = false;
        NETWORKMODULECALL(OnUserJoinMessage(Message), m_pUser, m_pNetwork, this,
                          &bContinue);
        if (bContinue) continue;

        CString sChannel = Message.GetTarget();
        CString sKey = Message.GetKey();

        if (m_pNetwork) {
            CChan* pChan = m_pNetwork->FindChan(sChannel);
            if (pChan) {
                if (pChan->IsDetached())
                    pChan->AttachUser(this);
                else
                    pChan->JoinUser(sKey);
                continue;
            } else if (!sChannel.empty()) {
                pChan = new CChan(sChannel, m_pNetwork, false);
                if (m_pNetwork->AddChan(pChan)) {
                    pChan->SetKey(sKey);
                }
            }
        }

        if (!sChannel.empty()) {
            sChans += (sChans.empty()) ? sChannel : CString("," + sChannel);

            if (!vsKeys.empty()) {
                sKeys += (sKeys.empty()) ? sKey : CString("," + sKey);
            }
        }
    }

    Message.SetTarget(sChans);
    Message.SetKey(sKeys);

    return sChans.empty();
}

void CHTTPSock::ReadLine(const CString& sData) {
	if (m_bGotHeader) {
		return;
	}

	CString sLine = sData;
	sLine.TrimRight("\r\n");

	CString sName = sLine.Token(0);

	if (sName.Equals("GET")) {
		m_bPost = false;
		m_sURI = sLine.Token(1);
		m_bHTTP10Client = sLine.Token(2).Equals("HTTP/1.0");
		ParseURI();
	} else if (sName.Equals("POST")) {
		m_bPost = true;
		m_sURI = sLine.Token(1);
		ParseURI();
	} else if (sName.Equals("Cookie:")) {
		VCString vsNV;

		sLine.Token(1, true).Split(";", vsNV, false, "", "", true, true);

		for (unsigned int a = 0; a < vsNV.size(); a++) {
			CString s(vsNV[a]);

			m_msRequestCookies[s.Token(0, false, "=").Escape_n(CString::EURL, CString::EASCII)] =
				s.Token(1, true, "=").Escape_n(CString::EURL, CString::EASCII);
		}
	} else if (sName.Equals("Authorization:")) {
		CString sUnhashed;
		sLine.Token(2).Base64Decode(sUnhashed);
		m_sUser = sUnhashed.Token(0, false, ":");
		m_sPass = sUnhashed.Token(1, true, ":");
		m_bLoggedIn = OnLogin(m_sUser, m_sPass);
	} else if (sName.Equals("Content-Length:")) {
		m_uPostLen = sLine.Token(1).ToULong();
		if (m_uPostLen > MAX_POST_SIZE)
			PrintErrorPage(413, "Request Entity Too Large", "The request you sent was too large.");
	} else if (sName.Equals("If-None-Match:")) {
		// this is for proper client cache support (HTTP 304) on static files:
		m_sIfNoneMatch = sLine.Token(1, true);
	} else if (sLine.empty()) {
		m_bGotHeader = true;

		if (m_bPost) {
			m_sPostData = GetInternalReadBuffer();
			CheckPost();
		} else {
			GetPage();
		}

		DisableReadLine();
	}
}

void CIRCSock::ParseISupport(const CMessage& Message) {
    const VCString vsParams = Message.GetParams();

    for (size_t i = 1; i < vsParams.size() - 1; ++i) {
        const CString& sParam = vsParams[i];
        CString sName = sParam.Token(0, false, "=");
        CString sValue = sParam.Token(1, true, "=");

        if (0 < sName.length() && ':' == sName[0]) {
            break;
        }

        m_mISupport[sName] = sValue;

        if (sName.Equals("PREFIX")) {
            CString sPrefixes = sValue.Token(1, false, ")");
            CString sPermModes = sValue.Token(0, false, ")");
            sPermModes.TrimLeft("(");

            if (!sPrefixes.empty() && sPermModes.size() == sPrefixes.size()) {
                m_sPerms = sPrefixes;
                m_sPermModes = sPermModes;
            }
        } else if (sName.Equals("CHANTYPES")) {
            m_pNetwork->SetChanPrefixes(sValue);
        } else if (sName.Equals("NICKLEN")) {
            unsigned int uMax = sValue.ToUInt();

            if (uMax) {
                m_uMaxNickLen = uMax;
            }
        } else if (sName.Equals("CHANMODES")) {
            if (!sValue.empty()) {
                m_mueChanModes.clear();

                for (unsigned int a = 0; a < 4; a++) {
                    CString sModes = sValue.Token(a, false, ",");

                    for (unsigned int b = 0; b < sModes.size(); b++) {
                        m_mueChanModes[sModes[b]] = (EChanModeArgs) a;
                    }
                }
            }
        } else if (sName.Equals("NAMESX")) {
            if (m_bNamesx)
                continue;
            m_bNamesx = true;
            PutIRC("PROTOCTL NAMESX");
        } else if (sName.Equals("UHNAMES")) {
            if (m_bUHNames)
                continue;
            m_bUHNames = true;
            PutIRC("PROTOCTL UHNAMES");
        }
    }
}

void CWebSock::SetPaths(CModule* pModule, bool bIsTemplate) {
	m_Template.ClearPaths();

	VCString vsDirs = GetDirs(pModule, bIsTemplate);
	for (size_t i = 0; i < vsDirs.size(); ++i) {
		m_Template.AppendPath(vsDirs[i]);
	}

	m_bPathsSet = true;
}

void CLogMod::SetRulesCmd(const CString& sLine) {
    VCString vsRules = SplitRules(sLine.Token(1, true));

    if (vsRules.empty()) {
        PutModule("Usage: SetRules <rules>");
        PutModule("Wildcards are allowed");
    } else {
        SetRules(vsRules);
        SetNV("rules", JoinRules(","));
        ListRulesCmd();
    }
}

void CUrlBufferModule::CheckLineForLink(const CString& sMessage, const CString& sOrigin)
{
	if(sOrigin != m_pUser->GetUserName() && GetNV("enable").ToBool() )
	{	
		VCString words;
		CString output;
		sMessage.Split(" ", words, false, "", "", true, true);
		for (size_t a = 0; a < words.size(); a++) 
		{
			CString& word = words[a];
			if(word.Left(4) == "http" || word.Left(4) == "www.")
			{            
				//if you find an image download it, save it in the www directory and keep the new link in buffer
				VCString tokens;
				word.Split("/", tokens, false, "", "", true, true);
				CString name = tokens[tokens.size()-1];
				word.Split(".", tokens, false, "", "", true, true);

				//if it's an image link download/upload it else just keep the link
                time_t curtime;
                time(&curtime);
                CString dir = GetNV("directory") + CUtils::FormatTime(curtime,"%Y-%m-%d", m_pUser->GetTimezone()) + "/";
                CString nickname = (sOrigin.empty())? m_pUser->GetUserName() : sOrigin;
                if(!CFile::Exists(dir) && !CFile::IsDir(dir, false))
                {
                        CDir::MakeDir(dir, 0775);
                }

				if(isValidExtension( tokens[tokens.size()-1] ))
				{

                    std::stringstream ss;
					if( GetNV("enablelocal").ToBool())
					{
						ss << "wget -b -O " << dir.c_str() << name <<" -q " << word.c_str() << " 2>&1";
                        getStdoutFromCommand(ss.str());
					}
					ss.str("");
					if (!word.WildCmp("*imgur*") && GetNV("reupload").ToBool()) {
						ss << "curl -d \"image=" << word.c_str() << "\" -d \"key=5ce86e7f95d8e58b18931bf290f387be\" http://api.imgur.com/2/upload.xml | sed -n 's/.*<original>\\(.*\\)<\\/original>.*/\\1/p' 2>&1";
						output = getStdoutFromCommand(ss.str());
						lastUrls.push_back(output);
					} else {
						lastUrls.push_back(word);
					}
				} else if(GetNV("bufferalllinks").ToBool()){
					lastUrls.push_back(word);
                    //append nick:link to file
                    CString filename = dir + "links.txt";
                    std::ofstream log(filename.c_str() , std::ios_base::app | std::ios_base::out);
                    log << nickname << ": " << word << "\n"; 
				}
                                nicks.push_back( nickname );
			}
		}
	}
}

void CHTTPSock::ParseParams(const CString& sParams, map<CString, VCString> &msvsParams) {
	msvsParams.clear();

	VCString vsPairs;
	sParams.Split("&", vsPairs, true);

	for (unsigned int a = 0; a < vsPairs.size(); a++) {
		const CString& sPair = vsPairs[a];
		CString sName = sPair.Token(0, false, "=").Escape_n(CString::EURL, CString::EASCII);
		CString sValue = sPair.Token(1, true, "=").Escape_n(CString::EURL, CString::EASCII);

		msvsParams[sName].push_back(sValue);
	}
}

bool CDir::MakeDir(const CString& sPath, mode_t iMode) {
#ifdef _WIN32
	if (sPath.empty())
		return false;

	CString sFixedPath = sPath;
	sFixedPath.Replace("/", "\\");

	int iResult = SHCreateDirectoryEx(0, sFixedPath.c_str(), NULL);

	return (iResult == ERROR_SUCCESS || iResult == ERROR_FILE_EXISTS || iResult == ERROR_ALREADY_EXISTS);
#else
	CString sDir;
	VCString dirs;
	VCString::iterator it;

	// Just in case someone tries this...
	if (sPath.empty())
		return false;

	// If this is an absolute path, we need to handle this now!
	if (sPath.Left(1) == "/")
		sDir = "/";

	// For every single subpath, do...
	sPath.Split("/", dirs, false);
	for (it = dirs.begin(); it != dirs.end(); ++it) {
		// Add this to the path we already created
		sDir += *it;

		int i = mkdir(sDir.c_str(), iMode);

		if (i != 0) {
			// All errors except EEXIST are fatal
			if (errno != EEXIST)
				return false;

			// If it's EEXIST we have to make sure it's a dir
			if (!CFile::IsDir(sDir))
				return false;
		}

		sDir += "/";
	}

	// All went well
	return true;
#endif
}

int CChan::AddNicks(const CString& sNicks) {
	int iRet = 0;
	VCString vsNicks;
	VCString::iterator it;

	sNicks.Split(" ", vsNicks, false);

	for (it = vsNicks.begin(); it != vsNicks.end(); ++it) {
		if (AddNick(*it)) {
			iRet++;
		}
	}

	return iRet;
}

	bool BootStrap(CChan *pChan)
	{
		CString sFile;
		if (DecryptChannel(pChan->GetName(), sFile))
		{
			if (!pChan->GetBuffer().IsEmpty())
				return(true); // reloaded a module probably in this case, so just verify we can decrypt the file

			VCString vsLines;
			VCString::iterator it;

			sFile.Split("\n", vsLines);

			for (it = vsLines.begin(); it != vsLines.end(); ++it) {
				CString sLine(*it);
				sLine.Trim();
				if (sLine[0] == '@' && it+1 != vsLines.end())
				{
					CString sTimestamp = sLine.Token(0);
					sTimestamp.TrimLeft("@");
					timeval ts;
					ts.tv_sec = sTimestamp.Token(0, false, ",").ToLongLong();
					ts.tv_usec = sTimestamp.Token(1, false, ",").ToLong();

					CString sFormat = sLine.Token(1, true);

					CString sText(*++it);
					sText.Trim();

					pChan->AddBuffer(sFormat, sText, &ts);
				} else
				{
					// Old format, escape the line and use as is.
					pChan->AddBuffer(_NAMEDFMT(sLine));
				}
			}
		} else
		{
			m_sPassword = "";
			CUtils::PrintError("[" + GetModName() + ".so] Failed to Decrypt [" + pChan->GetName() + "]");
			return(false);
		}

		return(true);
	}

	virtual bool OnLoad(const CString& sArgs, CString& sMessage) {
		VCString vsChans;
		sArgs.Split(" ", vsChans, false);

		for (VCString::const_iterator it = vsChans.begin(); it != vsChans.end(); ++it) {
			if (!Add(*it)) {
				PutModule("Unable to add [" + *it + "]");
			}
		}

		// Load our saved settings, ignore errors
		MCString::iterator it;
		for (it = BeginNV(); it != EndNV(); ++it) {
			Add(it->first);
		}

		return true;
	}

size_t CHTTPSock::GetParamValues(const CString& sName, VCString& vsRet, const map<CString, VCString>& msvsParams, const CString& sFilter) {
	vsRet.clear();

	map<CString, VCString>::const_iterator it = msvsParams.find(sName);

	if (it != msvsParams.end()) {
		for (CString sParam : it->second) {
			sParam.Trim();

			for (size_t i = 0; i < sFilter.length(); i++) {
				sParam.Replace(CString(sFilter.at(i)), "");
			}
			vsRet.push_back(sParam);
		}
	}

	return vsRet.size();
}

bool CStickyChan::OnLoad(const CString& sArgs, CString& sMessage)
{
	VCString vsChans;
	VCString::iterator it;
	sArgs.Split(",", vsChans, false);

	for (it = vsChans.begin(); it != vsChans.end(); ++it) {
		CString sChan = it->Token(0);
		CString sKey = it->Token(1, true);
		SetNV(sChan, sKey);
	}

	// Since we now have these channels added, clear the argument list
	SetArgs("");

	AddTimer(RunTimer, "StickyChanTimer", 15);
	return(true);
}

	virtual EModRet OnUserRaw(CString& sLine) {
		//Handle ISON
		if (sLine.Token(0).Equals("ison")) {
			VCString vsNicks;
			VCString::const_iterator it;

			// Get the list of nicks which are being asked for
			sLine.Token(1, true).TrimLeft_n(":").Split(" ", vsNicks, false);

			CString sBNCNicks;
			for (it = vsNicks.begin(); it != vsNicks.end(); ++it) {
				if (IsOnlineModNick(*it)) {
					sBNCNicks += " " + *it;
				}
			}
			// Remove the leading space
			sBNCNicks.LeftChomp();

			if (!m_pNetwork->GetIRCSock()) {
				// if we are not connected to any IRC server, send
				// an empty or module-nick filled response.
				PutUser(":irc.znc.in 303 " + m_pClient->GetNick() + " :" + sBNCNicks);
			} else {
				// We let the server handle this request and then act on
				// the 303 response from the IRC server.
				m_ISONRequests.push_back(sBNCNicks);
			}
		}

		//Handle WHOIS
		if (sLine.Token(0).Equals("whois")) {
			CString sNick = sLine.Token(1);

			if (IsOnlineModNick(sNick)) {
				PutUser(":znc.in 311 " + m_pNetwork->GetCurNick() + " " + sNick + " " + sNick + " znc.in * :" + sNick);
				PutUser(":znc.in 312 " + m_pNetwork->GetCurNick() + " " + sNick + " *.znc.in :Bouncer");
				PutUser(":znc.in 318 " + m_pNetwork->GetCurNick() + " " + sNick + " :End of /WHOIS list.");

				return HALT;
			}
		}

		return CONTINUE;
	}

	void Replay(const CString & sChan)
	{
		CString sFile;
		PutUser(":***[email protected] PRIVMSG " + sChan + " :Buffer Playback...");
		if (DecryptChannel(sChan, sFile))
		{
			VCString vsLines;
			VCString::iterator it;

			sFile.Split("\n", vsLines);

			for (it = vsLines.begin(); it != vsLines.end(); ++it) {
				CString sLine(*it);
				sLine.Trim();
				PutUser(sLine);
			}
		}
		PutUser(":***[email protected] PRIVMSG " + sChan + " :Playback Complete.");
	}

	void SetMechanismCommand(const CString& sLine) {
		CString sMechanisms = sLine.Token(1, true).AsUpper();

		if (!sMechanisms.empty()) {
			VCString vsMechanisms;
			sMechanisms.Split(" ", vsMechanisms);

			for (VCString::const_iterator it = vsMechanisms.begin(); it != vsMechanisms.end(); ++it) {
				if (!SupportsMechanism(*it)) {
					PutModule("Unsupported mechanism: " + *it);
					return;
				}
			}

			SetNV(NV_MECHANISMS, sMechanisms);
		}

		PutModule("Current mechanisms set: " + GetMechanismsString());
	}

	bool ConvertCharset(const VCString& vsFrom, const CString& sTo, CString& sData)
	{
		CString sDataCopy(sData);

		if(!m_bForce)
		{
			// check whether sData already is encoded with the right charset:
			iconv_t icTest = iconv_open(sTo.c_str(), sTo.c_str());
			if(icTest != (iconv_t)-1)
			{
				size_t uTest = GetConversionLength(icTest, sData);
				iconv_close(icTest);

				if(uTest != (size_t)-1 && uTest != (size_t)-2)
				{
					DEBUG("charset: [" + sData.Escape_n(CString::EURL) + "] is valid [" + sTo + "] already.");
					return true;
				}
			}
		}

		bool bConverted = false;

		// try all possible source charsets:
		for(VCString::const_iterator itf = vsFrom.begin(); itf != vsFrom.end(); ++itf)
		{
			if(ConvertCharset(*itf, sTo, sDataCopy))
			{
				// conversion successful!
				sData = sDataCopy;
				bConverted = true;
				break;
			}
			else
			{
				// reset string and try the next charset:
				sDataCopy = sData;
			}
		}

		return bConverted;
	}

CString CMessage::GetParamsColon(unsigned int uIdx, unsigned int uLen) const {
    if (m_vsParams.empty() || uLen == 0) {
        return "";
    }
    if (uLen > m_vsParams.size() - uIdx - 1) {
        uLen = m_vsParams.size() - uIdx;
    }
    VCString vsParams;
    unsigned uParams = m_vsParams.size();
    for (unsigned int i = uIdx; i < uIdx + uLen; ++i) {
        CString sParam = m_vsParams[i];
        if (i == uParams - 1 &&
            (m_bColon || sParam.empty() || sParam.StartsWith(":") ||
             sParam.Contains(" "))) {
            sParam = ":" + sParam;
        }
        vsParams.push_back(sParam);
    }
    return CString(" ").Join(vsParams.begin(), vsParams.end());
}