X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_delayjoin.cpp;h=d1c69069be674485457ebd703a3e7d7b7503a658;hb=80e81e3b81b779901fd9d67f8ae030ee30c0bcec;hp=9ccb89167a0690c07485c11bc12b486b67668e68;hpb=94a601fb3b67e72e075af28174094117cd09f5f2;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_delayjoin.cpp b/src/modules/m_delayjoin.cpp index 9ccb89167..d1c69069b 100644 --- a/src/modules/m_delayjoin.cpp +++ b/src/modules/m_delayjoin.cpp @@ -1,61 +1,118 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2013, 2017-2019 Sadie Powell + * Copyright (C) 2012-2015, 2018 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2010 Jens Voss + * Copyright (C) 2009 Matt Smith + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2007-2008, 2010 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program 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 General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + #include "inspircd.h" -#include +#include "modules/ctctags.h" +#include "modules/names.h" class DelayJoinMode : public ModeHandler { private: - CUList empty; + LocalIntExt& unjoined; + public: - DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Instance, Parent, 'D', 0, 0, false, MODETYPE_CHANNEL, false, 0, '@') {}; + DelayJoinMode(Module* Parent, LocalIntExt& ext) + : ModeHandler(Parent, "delayjoin", 'D', PARAM_NONE, MODETYPE_CHANNEL) + , unjoined(ext) + { + ranktoset = ranktounset = OP_VALUE; + } - ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding); + ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE; + void RevealUser(User* user, Channel* chan); }; -class ModuleDelayJoin : public Module + +namespace { - private: - DelayJoinMode djm; - CUList nl; + +/** Hook handler for join client protocol events. + * This allows us to block join protocol events completely, including all associated messages (e.g. MODE, away-notify AWAY). + * This is not the same as OnUserJoin() because that runs only when a real join happens but this runs also when a module + * such as hostcycle generates a join. + */ +class JoinHook : public ClientProtocol::EventHook +{ + const LocalIntExt& unjoined; + public: - ModuleDelayJoin(InspIRCd* Me) : Module(Me), djm(Me, this) + JoinHook(Module* mod, const LocalIntExt& unjoinedref) + : ClientProtocol::EventHook(mod, "JOIN", 10) + , unjoined(unjoinedref) { - if (!ServerInstance->Modes->AddMode(&djm)) - throw ModuleException("Could not add new modes!"); - Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnNamesListItem, I_OnText, I_OnHostCycle }; - ServerInstance->Modules->Attach(eventlist, this, 7); } - virtual ~ModuleDelayJoin(); - virtual Version GetVersion(); - virtual void OnNamesListItem(User* issuer, User* user, Channel* channel, std::string &prefixes, std::string &nick); - virtual void OnUserJoin(User* user, Channel* channel, bool sync, bool &silent, bool created); - void CleanUser(User* user); - ModResult OnHostCycle(User* user); - void OnUserPart(User* user, Channel* channel, std::string &partmessage, bool &silent); - void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent); - void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message); - void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list); - void WriteCommonFrom(User *user, Channel* channel, const char* text, ...) CUSTOM_PRINTF(4, 5); + + ModResult OnPreEventSend(LocalUser* user, const ClientProtocol::Event& ev, ClientProtocol::MessageList& messagelist) CXX11_OVERRIDE + { + const ClientProtocol::Events::Join& join = static_cast(ev); + const Membership* const memb = join.GetMember(); + const User* const u = memb->user; + if ((unjoined.get(memb)) && (u != user)) + return MOD_RES_DENY; + return MOD_RES_PASSTHRU; + } }; -/* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */ +} + +class ModuleDelayJoin + : public Module + , public CTCTags::EventListener + , public Names::EventListener +{ + public: + LocalIntExt unjoined; + JoinHook joinhook; + DelayJoinMode djm; + + ModuleDelayJoin() + : CTCTags::EventListener(this) + , Names::EventListener(this) + , unjoined("delayjoin", ExtensionItem::EXT_MEMBERSHIP, this) + , joinhook(this, unjoined) + , djm(this, unjoined) + { + } + + Version GetVersion() CXX11_OVERRIDE; + ModResult OnNamesListItem(LocalUser* issuer, Membership*, std::string& prefixes, std::string& nick) CXX11_OVERRIDE; + void OnUserJoin(Membership*, bool, bool, CUList&) CXX11_OVERRIDE; + void CleanUser(User* user); + void OnUserPart(Membership*, std::string &partmessage, CUList&) CXX11_OVERRIDE; + void OnUserKick(User* source, Membership*, const std::string &reason, CUList&) CXX11_OVERRIDE; + void OnBuildNeighborList(User* source, IncludeChanList& include, std::map& exception) CXX11_OVERRIDE; + void OnUserMessage(User* user, const MessageTarget& target, const MessageDetails& details) CXX11_OVERRIDE; + void OnUserTagMessage(User* user, const MessageTarget& target, const CTCTags::TagMessageDetails& details) CXX11_OVERRIDE; + ModResult OnRawMode(User* user, Channel* channel, ModeHandler* mh, const std::string& param, bool adding) CXX11_OVERRIDE; +}; ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) { /* no change */ - if (channel->IsModeSet('D') == adding) + if (channel->IsModeSet(this) == adding) return MODEACTION_DENY; if (!adding) @@ -64,174 +121,125 @@ ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channe * Make all users visible, as +D is being removed. If we don't do this, * they remain permanently invisible on this channel! */ - CUList* names = channel->GetUsers(); - for (CUListIter n = names->begin(); n != names->end(); ++n) - creator->OnText(n->first, channel, TYPE_CHANNEL, "", 0, empty); + const Channel::MemberMap& users = channel->GetUsers(); + for (Channel::MemberMap::const_iterator n = users.begin(); n != users.end(); ++n) + RevealUser(n->first, channel); } - channel->SetMode('D', adding); + channel->SetMode(this, adding); return MODEACTION_ALLOW; } -ModuleDelayJoin::~ModuleDelayJoin() -{ - ServerInstance->Modes->DelMode(&djm); -} - Version ModuleDelayJoin::GetVersion() { - return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION); + return Version("Adds channel mode D (delayjoin) which hides JOIN messages from users until they speak.", VF_VENDOR); } -void ModuleDelayJoin::OnNamesListItem(User* issuer, User* user, Channel* channel, std::string &prefixes, std::string &nick) +ModResult ModuleDelayJoin::OnNamesListItem(LocalUser* issuer, Membership* memb, std::string& prefixes, std::string& nick) { - if (!channel->IsModeSet('D')) - return; - - if (nick.empty()) - return; - /* don't prevent the user from seeing themself */ - if (issuer == user) - return; + if (issuer == memb->user) + return MOD_RES_PASSTHRU; /* If the user is hidden by delayed join, hide them from the NAMES list */ - if (user->GetExt("delayjoin_"+channel->name)) - nick.clear(); + if (unjoined.get(memb)) + return MOD_RES_DENY; + + return MOD_RES_PASSTHRU; } -void ModuleDelayJoin::OnUserJoin(User* user, Channel* channel, bool sync, bool &silent, bool created) +static void populate(CUList& except, Membership* memb) { - if (channel->IsModeSet('D')) + const Channel::MemberMap& users = memb->chan->GetUsers(); + for (Channel::MemberMap::const_iterator i = users.begin(); i != users.end(); ++i) { - silent = true; - /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */ - user->WriteFrom(user, "JOIN %s", channel->name.c_str()); - - /* This metadata tells the module the user is delayed join on this specific channel */ - user->Extend("delayjoin_"+channel->name); - - /* This metadata tells the module the user is delayed join on at least one (or more) channels. - * It is only cleared when the user is no longer on ANY +D channels. - */ - if (!user->GetExt("delayjoin")) - user->Extend("delayjoin"); + if (i->first == memb->user || !IS_LOCAL(i->first)) + continue; + except.insert(i->first); } } -void ModuleDelayJoin::CleanUser(User* user) +void ModuleDelayJoin::OnUserJoin(Membership* memb, bool sync, bool created, CUList& except) { - /* Check if the user is hidden on any other +D channels, if so don't take away the - * metadata that says they're hidden on one or more channels - */ - for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++) - if (user->GetExt("delayjoin_" + f->first->name)) - return; - - user->Shrink("delayjoin"); -} - -void ModuleDelayJoin::OnUserPart(User* user, Channel* channel, std::string &partmessage, bool &silent) -{ - if (!channel->IsModeSet('D')) - return; - if (user->GetExt("delayjoin_"+channel->name)) - { - user->Shrink("delayjoin_"+channel->name); - silent = true; - /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */ - user->WriteFrom(user, "PART %s%s%s", channel->name.c_str(), partmessage.empty() ? "" : " :", partmessage.empty() ? "" : partmessage.c_str()); - CleanUser(user); - } + if (memb->chan->IsModeSet(djm)) + unjoined.set(memb, 1); } -void ModuleDelayJoin::OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent) +void ModuleDelayJoin::OnUserPart(Membership* memb, std::string &partmessage, CUList& except) { - if (!chan->IsModeSet('D')) - return; - /* Send silenced event only to the user being kicked and the user doing the kick */ - if (user->GetExt("delayjoin_"+chan->name)) - { - user->Shrink("delayjoin_"+chan->name); - silent = true; - user->WriteFrom(source, "KICK %s %s %s", chan->name.c_str(), user->nick.c_str(), reason.c_str()); - CleanUser(user); - } + if (unjoined.set(memb, 0)) + populate(except, memb); } -ModResult ModuleDelayJoin::OnHostCycle(User* user) +void ModuleDelayJoin::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& except) { - return user->GetExt("delayjoin") ? MOD_RES_DENY : MOD_RES_PASSTHRU; + if (unjoined.set(memb, 0)) + populate(except, memb); } -void ModuleDelayJoin::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message) +void ModuleDelayJoin::OnBuildNeighborList(User* source, IncludeChanList& include, std::map& exception) { - Command* parthandler = ServerInstance->Parser->GetHandler("PART"); - if (parthandler && user->GetExt("delayjoin")) + for (IncludeChanList::iterator i = include.begin(); i != include.end(); ) { - for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++) - { - Channel* chan = f->first; - if (user->GetExt("delayjoin_"+chan->name)) - { - std::vector parameters; - parameters.push_back(chan->name); - /* Send a fake PART from the channel, which will be silent */ - parthandler->Handle(parameters, user); - } - } - user->Shrink("delayjoin"); + Membership* memb = *i; + if (unjoined.get(memb)) + i = include.erase(i); + else + ++i; } } -void ModuleDelayJoin::OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list) +void ModuleDelayJoin::OnUserTagMessage(User* user, const MessageTarget& target, const CTCTags::TagMessageDetails& details) { - /* Server origin */ - if (!user) + if (target.type != MessageTarget::TYPE_CHANNEL) return; - if (target_type != TYPE_CHANNEL) + Channel* channel = target.Get(); + djm.RevealUser(user, channel); +} + +void ModuleDelayJoin::OnUserMessage(User* user, const MessageTarget& target, const MessageDetails& details) +{ + if (target.type != MessageTarget::TYPE_CHANNEL) return; - Channel* channel = (Channel*) dest; + Channel* channel = target.Get(); + djm.RevealUser(user, channel); +} - if (!user->GetExt("delayjoin_"+channel->name)) +void DelayJoinMode::RevealUser(User* user, Channel* chan) +{ + Membership* memb = chan->GetUser(user); + if (!memb || !unjoined.set(memb, 0)) return; /* Display the join to everyone else (the user who joined got it earlier) */ - this->WriteCommonFrom(user, channel, "JOIN %s", channel->name.c_str()); - - std::string n = this->ServerInstance->Modes->ModeString(user, channel); - if (n.length() > 0) - this->WriteCommonFrom(user, channel, "MODE %s +%s", channel->name.c_str(), n.c_str()); - - /* Shrink off the neccessary metadata for a specific channel */ - user->Shrink("delayjoin_"+channel->name); - CleanUser(user); + CUList except_list; + except_list.insert(user); + ClientProtocol::Events::Join joinevent(memb); + chan->Write(joinevent, 0, except_list); } -// .. is there a real need to duplicate WriteCommonExcept? -void ModuleDelayJoin::WriteCommonFrom(User *user, Channel* channel, const char* text, ...) +/* make the user visible if they receive any mode change */ +ModResult ModuleDelayJoin::OnRawMode(User* user, Channel* channel, ModeHandler* mh, const std::string& param, bool adding) { - va_list argsPtr; - char textbuffer[MAXBUF]; - char tb[MAXBUF]; + if (!channel || param.empty()) + return MOD_RES_PASSTHRU; - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(), textbuffer); + // If not a prefix mode then we got nothing to do here + if (!mh->IsPrefixMode()) + return MOD_RES_PASSTHRU; - CUList *ulist = channel->GetUsers(); + User* dest; + if (IS_LOCAL(user)) + dest = ServerInstance->FindNickOnly(param); + else + dest = ServerInstance->FindNick(param); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - /* User doesnt get a JOIN sent to themselves */ - if (user == i->first) - continue; + if (!dest) + return MOD_RES_PASSTHRU; - i->first->Write(std::string(tb)); - } + djm.RevealUser(dest, channel); + return MOD_RES_PASSTHRU; } MODULE_INIT(ModuleDelayJoin) -