1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 /* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */
19 class DelayJoinMode : public ModeHandler
24 DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Instance, 'D', 0, 0, false, MODETYPE_CHANNEL, false), Creator(Parent) { }
26 ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
28 if (channel->IsModeSet('D') != adding)
30 if (IS_LOCAL(source) && (channel->GetStatus(source) < STATUS_OP))
32 source->WriteServ("482 %s %s :Only channel operators may %sset channel mode +D", source->nick, channel->name, adding ? "" : "un");
33 return MODEACTION_DENY;
37 if (channel->IsModeSet('D'))
39 /* Make all delayed join users visible, or if an op removes +D
40 * while users exist that havent spoken, they remain permenantly
41 * invisible on this channel!
43 CUList* names = channel->GetUsers();
44 for (CUListIter n = names->begin(); n != names->end(); ++n)
45 Creator->OnText(n->first, channel, TYPE_CHANNEL, "", 0, empty);
47 channel->SetMode('D', adding);
48 return MODEACTION_ALLOW;
53 return MODEACTION_DENY;
58 class ModuleDelayJoin : public Module
64 ModuleDelayJoin(InspIRCd* Me)
67 djm = new DelayJoinMode(ServerInstance, this);
68 if (!ServerInstance->AddMode(djm))
69 throw ModuleException("Could not add new modes!");
72 virtual ~ModuleDelayJoin()
74 ServerInstance->Modes->DelMode(djm);
80 /* To ensure that we get priority over namesx for names list generation */
81 Module* namesx = ServerInstance->Modules->Find("m_namesx.so");
82 ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &namesx);
85 virtual Version GetVersion()
87 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
90 void Implements(char* List)
92 List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserKick] = List[I_OnUserQuit] = List[I_OnUserList] = List[I_OnText] = 1;
95 virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
97 CUList* newlist = nameslist ? nameslist : Ptr->GetUsers();
101 /* For +D channels ... */
102 if (Ptr->IsModeSet('D'))
104 std::string key("delayjoin_");
105 key.append(Ptr->name);
107 /* Modify the names list, erasing users with the delay join metadata
108 * for this channel (havent spoken yet)
110 for (CUListIter n = newlist->begin(); n != newlist->end(); ++n)
112 if (!n->first->GetExt(key))
116 /* Always show self */
117 nl[user] = user->nick;
123 virtual void OnUserJoin(User* user, Channel* channel, bool &silent)
125 if (channel->IsModeSet('D'))
128 /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
129 user->WriteFrom(user, "JOIN %s", channel->name);
131 /* This metadata tells the module the user is delayed join on this specific channel */
132 user->Extend(std::string("delayjoin_")+channel->name);
134 /* This metadata tells the module the user is delayed join on at least one (or more) channels.
135 * It is only cleared when the user is no longer on ANY +D channels.
137 if (!user->GetExt("delayjoin"))
138 user->Extend("delayjoin");
142 void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
144 if (channel->IsModeSet('D'))
146 if (user->GetExt(std::string("delayjoin_")+channel->name))
149 /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
150 user->WriteFrom(user, "PART %s%s%s", channel->name, partmessage.empty() ? "" : " :", partmessage.empty() ? "" : partmessage.c_str());
155 void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
157 if (chan->IsModeSet('D'))
159 /* Send silenced event only to the user being kicked and the user doing the kick */
160 if (user->GetExt(std::string("delayjoin_")+chan->name))
163 user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
168 void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
170 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
171 const char* parameters[2];
172 if (parthandler && user->GetExt("delayjoin"))
174 for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
176 parameters[0] = f->first->name;
177 /* This triggers our OnUserPart, above, making the PART silent */
178 parthandler->Handle(parameters, 1, user);
183 void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list)
185 if (target_type != TYPE_CHANNEL)
188 Channel* channel = (Channel*) dest;
190 if (!user->GetExt(std::string("delayjoin_")+channel->name))
193 /* Display the join to everyone else (the user who joined got it earlier) */
194 this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);
196 /* Shrink off the neccessary metadata for a specific channel */
197 user->Shrink(std::string("delayjoin_")+channel->name);
199 /* Check if the user is left on any other +D channels, if so don't take away the
200 * metadata that says theyre on one or more channels
202 for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
203 if (f->first->IsModeSet('D'))
206 user->Shrink("delayjoin");
209 void WriteCommonFrom(User *user, Channel* channel, const char* text, ...)
212 char textbuffer[MAXBUF];
215 va_start(argsPtr, text);
216 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
218 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);
220 CUList *ulist = channel->GetUsers();
222 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
224 /* User doesnt get a JOIN sent to themselves */
225 if (user == i->first)
228 /* Users with a visibility state that hides them dont appear */
229 if (user->Visibility && !user->Visibility->VisibleTo(i->first))
232 i->first->Write(std::string(tb));
238 MODULE_INIT(ModuleDelayJoin)