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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <stdarg.h>
/* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */
class DelayJoinMode : public ModeHandler
{
CUList empty;
Module* Creator;
public:
DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Instance, 'D', 0, 0, false, MODETYPE_CHANNEL, false), Creator(Parent) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (channel->IsModeSet('D') != adding)
{
if (IS_LOCAL(source) && (channel->GetStatus(source) < STATUS_OP))
{
source->WriteServ("482 %s %s :Only channel operators may %sset channel mode +D", source->nick, channel->name, adding ? "" : "un");
return MODEACTION_DENY;
}
else
{
if (channel->IsModeSet('D'))
{
/* Make all delayed join users visible, or if an op removes +D
* while users exist that havent spoken, they remain permenantly
* 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);
}
channel->SetMode('D', adding);
return MODEACTION_ALLOW;
}
}
else
{
return MODEACTION_DENY;
}
}
};
class ModuleDelayJoin : public Module
{
private:
DelayJoinMode* djm;
CUList nl;
public:
ModuleDelayJoin(InspIRCd* Me)
: Module(Me)
{
djm = new DelayJoinMode(ServerInstance, this);
if (!ServerInstance->AddMode(djm))
throw ModuleException("Could not add new modes!");
Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnUserList, I_OnText };
ServerInstance->Modules->Attach(eventlist, this, 6);
}
virtual ~ModuleDelayJoin()
{
ServerInstance->Modes->DelMode(djm);
delete djm;
}
void Prioritize()
{
/* To ensure that we get priority over namesx for names list generation */
Module* namesx = ServerInstance->Modules->Find("m_namesx.so");
ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &namesx);
}
virtual Version GetVersion()
{
return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
}
virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
{
CUList* newlist = nameslist ? nameslist : Ptr->GetUsers();
nl.clear();
/* For +D channels ... */
if (Ptr->IsModeSet('D'))
{
std::string key("delayjoin_");
key.append(Ptr->name);
/* Modify the names list, erasing users with the delay join metadata
* for this channel (havent spoken yet)
*/
for (CUListIter n = newlist->begin(); n != newlist->end(); ++n)
{
if (!n->first->GetExt(key))
nl.insert(*n);
}
/* Always show self */
nl[user] = user->nick;
nameslist = &nl;
}
return 0;
}
virtual void OnUserJoin(User* user, Channel* channel, bool &silent)
{
if (channel->IsModeSet('D'))
{
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);
/* This metadata tells the module the user is delayed join on this specific channel */
user->Extend(std::string("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");
}
}
void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
{
if (channel->IsModeSet('D'))
{
if (user->GetExt(std::string("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, partmessage.empty() ? "" : " :", partmessage.empty() ? "" : partmessage.c_str());
}
}
}
void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
{
if (chan->IsModeSet('D'))
{
/* Send silenced event only to the user being kicked and the user doing the kick */
if (user->GetExt(std::string("delayjoin_")+chan->name))
{
silent = true;
user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
}
}
}
void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
Command* parthandler = ServerInstance->Parser->GetHandler("PART");
const char* parameters[2];
if (parthandler && user->GetExt("delayjoin"))
{
for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
{
parameters[0] = f->first->name;
/* This triggers our OnUserPart, above, making the PART silent */
parthandler->Handle(parameters, 1, user);
}
}
}
void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list)
{
if (target_type != TYPE_CHANNEL)
return;
Channel* channel = (Channel*) dest;
if (!user->GetExt(std::string("delayjoin_")+channel->name))
return;
/* Display the join to everyone else (the user who joined got it earlier) */
this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);
/* Shrink off the neccessary metadata for a specific channel */
user->Shrink(std::string("delayjoin_")+channel->name);
/* Check if the user is left on any other +D channels, if so don't take away the
* metadata that says theyre on one or more channels
*/
for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
if (f->first->IsModeSet('D'))
return;
user->Shrink("delayjoin");
}
void WriteCommonFrom(User *user, Channel* channel, const char* text, ...)
{
va_list argsPtr;
char textbuffer[MAXBUF];
char tb[MAXBUF];
va_start(argsPtr, text);
vsnprintf(textbuffer, MAXBUF, text, argsPtr);
va_end(argsPtr);
snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);
CUList *ulist = channel->GetUsers();
for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
{
/* User doesnt get a JOIN sent to themselves */
if (user == i->first)
continue;
/* Users with a visibility state that hides them dont appear */
if (user->Visibility && !user->Visibility->VisibleTo(i->first))
continue;
i->first->Write(std::string(tb));
}
}
};
MODULE_INIT(ModuleDelayJoin)
|
