1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <stdarg.h>
class DelayJoinMode : public ModeHandler
{
private:
CUList empty;
public:
DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Instance, Parent, 'D', 0, 0, false, MODETYPE_CHANNEL, false, 0, '@') {};
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
};
class ModuleDelayJoin : public Module
{
private:
DelayJoinMode djm;
CUList nl;
public:
ModuleDelayJoin(InspIRCd* Me) : Module(Me), djm(Me, this)
{
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);
};
/* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */
ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
/* no change */
if (channel->IsModeSet('D') == adding)
return MODEACTION_DENY;
if (!adding)
{
/*
* Make all users visible, as +D is being removed. If we don't do this,
* they remain permanently invisible on this channel!
*/
CUList* names = channel->GetUsers();
for (CUListIter n = names->begin(); n != names->end(); ++n)
creator->OnText(n->first, channel, TYPE_CHANNEL, "", 0, empty);
}
channel->SetMode('D', adding);
return MODEACTION_ALLOW;
}
ModuleDelayJoin::~ModuleDelayJoin()
{
ServerInstance->Modes->DelMode(&djm);
}
Version ModuleDelayJoin::GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
void ModuleDelayJoin::OnNamesListItem(User* issuer, User* user, Channel* channel, 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 the user is hidden by delayed join, hide them from the NAMES list */
if (user->GetExt("delayjoin_"+channel->name))
nick.clear();
}
void ModuleDelayJoin::OnUserJoin(User* user, Channel* channel, bool sync, bool &silent, bool created)
{
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.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");
}
}
void ModuleDelayJoin::CleanUser(User* user)
{
/* 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);
}
}
void ModuleDelayJoin::OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
{
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);
}
}
ModResult ModuleDelayJoin::OnHostCycle(User* user)
{
return user->GetExt("delayjoin") ? MOD_RES_DENY : MOD_RES_PASSTHRU;
}
void ModuleDelayJoin::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
Command* parthandler = ServerInstance->Parser->GetHandler("PART");
if (parthandler && user->GetExt("delayjoin"))
{
for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
{
Channel* chan = f->first;
if (user->GetExt("delayjoin_"+chan->name))
{
std::vector<std::string> parameters;
parameters.push_back(chan->name);
/* Send a fake PART from the channel, which will be silent */
parthandler->Handle(parameters, user);
}
}
user->Shrink("delayjoin");
}
}
void ModuleDelayJoin::OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list)
{
/* Server origin */
if (!user)
return;
if (target_type != TYPE_CHANNEL)
return;
Channel* channel = (Channel*) dest;
if (!user->GetExt("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.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);
}
// .. is there a real need to duplicate WriteCommonExcept?
void ModuleDelayJoin::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().c_str(), 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;
i->first->Write(std::string(tb));
}
}
MODULE_INIT(ModuleDelayJoin)
|
