1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 class DelayJoinMode : public ModeHandler
22 DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Instance, Parent, 'D', 0, 0, false, MODETYPE_CHANNEL, false, 0, '@') {};
24 ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
27 class ModuleDelayJoin : public Module
33 ModuleDelayJoin(InspIRCd* Me) : Module(Me), djm(Me, this)
35 if (!ServerInstance->Modes->AddMode(&djm))
36 throw ModuleException("Could not add new modes!");
37 Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnNamesListItem, I_OnText, I_OnHostCycle };
38 ServerInstance->Modules->Attach(eventlist, this, 7);
40 virtual ~ModuleDelayJoin();
41 virtual Version GetVersion();
42 virtual void OnNamesListItem(User* issuer, User* user, Channel* channel, std::string &prefixes, std::string &nick);
43 virtual void OnUserJoin(User* user, Channel* channel, bool sync, bool &silent, bool created);
44 void CleanUser(User* user);
45 ModResult OnHostCycle(User* user);
46 void OnUserPart(User* user, Channel* channel, std::string &partmessage, bool &silent);
47 void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent);
48 void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message);
49 void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list);
50 void WriteCommonFrom(User *user, Channel* channel, const char* text, ...) CUSTOM_PRINTF(4, 5);
53 /* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */
55 ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
58 if (channel->IsModeSet('D') == adding)
59 return MODEACTION_DENY;
64 * Make all users visible, as +D is being removed. If we don't do this,
65 * they remain permanently invisible on this channel!
67 CUList* names = channel->GetUsers();
68 for (CUListIter n = names->begin(); n != names->end(); ++n)
69 creator->OnText(n->first, channel, TYPE_CHANNEL, "", 0, empty);
71 channel->SetMode('D', adding);
72 return MODEACTION_ALLOW;
75 ModuleDelayJoin::~ModuleDelayJoin()
77 ServerInstance->Modes->DelMode(&djm);
80 Version ModuleDelayJoin::GetVersion()
82 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
85 void ModuleDelayJoin::OnNamesListItem(User* issuer, User* user, Channel* channel, std::string &prefixes, std::string &nick)
87 if (!channel->IsModeSet('D'))
93 /* don't prevent the user from seeing themself */
97 /* If the user is hidden by delayed join, hide them from the NAMES list */
98 if (user->GetExt("delayjoin_"+channel->name))
102 void ModuleDelayJoin::OnUserJoin(User* user, Channel* channel, bool sync, bool &silent, bool created)
104 if (channel->IsModeSet('D'))
107 /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
108 user->WriteFrom(user, "JOIN %s", channel->name.c_str());
110 /* This metadata tells the module the user is delayed join on this specific channel */
111 user->Extend("delayjoin_"+channel->name);
113 /* This metadata tells the module the user is delayed join on at least one (or more) channels.
114 * It is only cleared when the user is no longer on ANY +D channels.
116 if (!user->GetExt("delayjoin"))
117 user->Extend("delayjoin");
121 void ModuleDelayJoin::CleanUser(User* user)
123 /* Check if the user is hidden on any other +D channels, if so don't take away the
124 * metadata that says they're hidden on one or more channels
126 for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
127 if (user->GetExt("delayjoin_" + f->first->name))
130 user->Shrink("delayjoin");
133 void ModuleDelayJoin::OnUserPart(User* user, Channel* channel, std::string &partmessage, bool &silent)
135 if (!channel->IsModeSet('D'))
137 if (user->GetExt("delayjoin_"+channel->name))
139 user->Shrink("delayjoin_"+channel->name);
141 /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
142 user->WriteFrom(user, "PART %s%s%s", channel->name.c_str(), partmessage.empty() ? "" : " :", partmessage.empty() ? "" : partmessage.c_str());
147 void ModuleDelayJoin::OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
149 if (!chan->IsModeSet('D'))
151 /* Send silenced event only to the user being kicked and the user doing the kick */
152 if (user->GetExt("delayjoin_"+chan->name))
154 user->Shrink("delayjoin_"+chan->name);
156 user->WriteFrom(source, "KICK %s %s %s", chan->name.c_str(), user->nick.c_str(), reason.c_str());
161 ModResult ModuleDelayJoin::OnHostCycle(User* user)
163 return user->GetExt("delayjoin") ? MOD_RES_DENY : MOD_RES_PASSTHRU;
166 void ModuleDelayJoin::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
168 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
169 if (parthandler && user->GetExt("delayjoin"))
171 for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
173 Channel* chan = f->first;
174 if (user->GetExt("delayjoin_"+chan->name))
176 std::vector<std::string> parameters;
177 parameters.push_back(chan->name);
178 /* Send a fake PART from the channel, which will be silent */
179 parthandler->Handle(parameters, user);
182 user->Shrink("delayjoin");
186 void ModuleDelayJoin::OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list)
192 if (target_type != TYPE_CHANNEL)
195 Channel* channel = (Channel*) dest;
197 if (!user->GetExt("delayjoin_"+channel->name))
200 /* Display the join to everyone else (the user who joined got it earlier) */
201 this->WriteCommonFrom(user, channel, "JOIN %s", channel->name.c_str());
203 std::string n = this->ServerInstance->Modes->ModeString(user, channel);
205 this->WriteCommonFrom(user, channel, "MODE %s +%s", channel->name.c_str(), n.c_str());
207 /* Shrink off the neccessary metadata for a specific channel */
208 user->Shrink("delayjoin_"+channel->name);
212 // .. is there a real need to duplicate WriteCommonExcept?
213 void ModuleDelayJoin::WriteCommonFrom(User *user, Channel* channel, const char* text, ...)
216 char textbuffer[MAXBUF];
219 va_start(argsPtr, text);
220 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
222 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(), textbuffer);
224 CUList *ulist = channel->GetUsers();
226 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
228 /* User doesnt get a JOIN sent to themselves */
229 if (user == i->first)
232 /* Users with a visibility state that hides them dont appear */
233 if (user->Visibility && !user->Visibility->VisibleTo(i->first))
236 i->first->Write(std::string(tb));
240 MODULE_INIT(ModuleDelayJoin)