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Implement chghost capability

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Interaction with extended-join doesn't yet work correctly, because ZNC
doesn't keep track of everyone's real names
This commit is contained in:
Alexey Sokolov
2024-10-15 11:29:36 +01:00
parent 25b19bb889
commit d49399bbca
7 changed files with 161 additions and 3 deletions
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src/IRCSock.cpp
+80 -2
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@@ -185,6 +185,9 @@ void CIRCSock::ReadLine(const CString& sData) {
case CMessage::Type::Capability:
bReturn = OnCapabilityMessage(Message);
break;
case CMessage::Type::ChgHost:
bReturn = OnChgHostMessage(Message);
break;
case CMessage::Type::CTCP:
bReturn = OnCTCPMessage(Message);
break;
@@ -380,8 +383,8 @@ bool CIRCSock::OnCapabilityMessage(CMessage& Message) {
{"userhost-in-names", [this](bool bVal) { m_bUHNames = bVal; }},
{"cap-notify", [](bool bVal) {}},
{"server-time", [this](bool bVal) { m_bServerTime = bVal; }},
{"znc.in/server-time-iso",
[this](bool bVal) { m_bServerTime = bVal; }},
{"znc.in/server-time-iso", [this](bool bVal) { m_bServerTime = bVal; }},
{"chghost", [](bool) {}},
};
auto RemoveCap = [&](const CString& sCap) {
@@ -514,6 +517,69 @@ bool CIRCSock::OnCTCPMessage(CCTCPMessage& Message) {
return (pChan && pChan->IsDetached());
}
bool CIRCSock::OnChgHostMessage(CChgHostMessage& Message) {
// The emulation of QUIT+JOIN would be cleaner inside CClient::PutClient()
// but computation of new modes is difficult enough so that I don't want to
// repeat it for every client
//
// TODO: make CNick store modes (v, o) instead of perm chars (+, @), that
// would simplify this
bool bNeedEmulate = false;
for (CClient* pClient : m_pNetwork->GetClients()) {
if (pClient->HasChgHost()) {
pClient->PutClient(Message);
} else {
bNeedEmulate = true;
pClient->PutClient(CMessage(Message.GetNick(), "QUIT",
{"Changing hostname"},
Message.GetTags()));
}
}
if (!bNeedEmulate) return true;
CNick NewNick = Message.GetNick();
NewNick.SetIdent(Message.GetNewIdent());
NewNick.SetHost(Message.GetNewHost());
for (CChan* pChan : m_pNetwork->GetChans()) {
if (CNick* pNick = pChan->FindNick(Message.GetNick().GetNick())) {
pNick->SetIdent(Message.GetNewIdent());
pNick->SetHost(Message.GetNewHost());
}
CTargetMessage ModeMsg;
ModeMsg.SetNick(CNick(":irc.znc.in"));
ModeMsg.SetTags(Message.GetTags());
ModeMsg.SetCommand("MODE");
VCString vsModeParams = {pChan->GetName(), "+"};
if (CNick* pNick = pChan->FindNick(NewNick.GetNick())) {
for (char cPerm : pNick->GetPermStr()) {
char cMode = GetModeFromPerm(cPerm);
if (cMode) {
vsModeParams[1].append(1, cMode);
vsModeParams.push_back(NewNick.GetNick());
}
}
}
ModeMsg.SetParams(std::move(vsModeParams));
for (CClient* pClient : m_pNetwork->GetClients()) {
if (!pClient->HasChgHost()) {
// TODO: send account name and real name too, for
// extended-join
pClient->PutClient(CMessage(NewNick, "JOIN", {pChan->GetName()},
Message.GetTags()));
if (ModeMsg.GetParams().size() > 2) {
pClient->PutClient(ModeMsg);
}
}
}
}
return true;
}
bool CIRCSock::OnErrorMessage(CMessage& Message) {
// ERROR :Closing Link: nick[24.24.24.24] (Excess Flood)
CString sError = Message.GetParam(0);
@@ -1517,6 +1583,18 @@ char CIRCSock::GetPermFromMode(char cMode) const {
return 0;
}
char CIRCSock::GetModeFromPerm(char cPerm) const {
if (m_sPermModes.size() == m_sPerms.size()) {
for (unsigned int a = 0; a < m_sPermModes.size(); a++) {
if (m_sPerms[a] == cPerm) {
return m_sPermModes[a];
}
}
}
return 0;
}
CIRCSock::EChanModeArgs CIRCSock::GetModeType(char cMode) const {
map<char, EChanModeArgs>::const_iterator it =
m_mceChanModes.find(cMode);