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/*
* Copyright (C) 2004-2025 ZNC, see the NOTICE file for details.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <znc/User.h>
#include <znc/IRCNetwork.h>
#include <znc/znc.h>
class CFOModule : public CModule {
public:
MODCONSTRUCTOR(CFOModule) {}
~CFOModule() override {}
bool IsOnlineModNick(const CString& sNick) {
const CString& sPrefix = GetUser()->GetStatusPrefix();
if (!sNick.StartsWith(sPrefix)) return false;
CString sModNick = sNick.substr(sPrefix.length());
if (sModNick.Equals("status") ||
GetNetwork()->GetModules().FindModule(sModNick) ||
GetUser()->GetModules().FindModule(sModNick) ||
CZNC::Get().GetModules().FindModule(sModNick))
return true;
return false;
}
EModRet OnUserRaw(CString& sLine) override {
// Handle ISON
if (sLine.Token(0).Equals("ison")) {
VCString vsNicks;
// Get the list of nicks which are being asked for
sLine.Token(1, true).TrimLeft_n(":").Split(" ", vsNicks, false);
CString sBNCNicks;
for (const CString& sNick : vsNicks) {
if (IsOnlineModNick(sNick)) {
sBNCNicks += " " + sNick;
}
}
// Remove the leading space
sBNCNicks.LeftChomp();
if (!GetNetwork()->GetIRCSock()) {
// if we are not connected to any IRC server, send
// an empty or module-nick filled response.
PutUser(":irc.znc.in 303 " + GetClient()->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)) {
CIRCNetwork* pNetwork = GetNetwork();
PutUser(":znc.in 311 " + pNetwork->GetCurNick() + " " + sNick +
" znc znc.in * :" + sNick);
PutUser(":znc.in 312 " + pNetwork->GetCurNick() + " " + sNick +
" *.znc.in :Bouncer");
PutUser(":znc.in 318 " + pNetwork->GetCurNick() + " " + sNick +
" :End of /WHOIS list.");
return HALT;
}
}
return CONTINUE;
}
EModRet OnRaw(CString& sLine) override {
// Handle 303 reply if m_Requests is not empty
if (sLine.Token(1) == "303" && !m_ISONRequests.empty()) {
VCString::iterator it = m_ISONRequests.begin();
sLine.Trim();
// Only append a space if this isn't an empty reply
if (sLine.Right(1) != ":") {
sLine += " ";
}
// add BNC nicks to the reply
sLine += *it;
m_ISONRequests.erase(it);
}
return CONTINUE;
}
private:
VCString m_ISONRequests;
};
template <>
void TModInfo<CFOModule>(CModInfo& Info) {
Info.SetWikiPage("modules_online");
}
NETWORKMODULEDEFS(CFOModule, t_s("Makes ZNC's *modules to be \"online\"."))
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