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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2006-2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
/** Handles the +B channel mode
*/
class BlockCaps : public SimpleChannelModeHandler
{
public:
BlockCaps(Module* Creator) : SimpleChannelModeHandler(Creator, "blockcaps", 'B') { }
};
class ModuleBlockCAPS : public Module
{
BlockCaps bc;
int percent;
unsigned int minlen;
char capsmap[256];
public:
ModuleBlockCAPS() : bc(this)
{
}
void init() CXX11_OVERRIDE
{
OnRehash(NULL);
ServerInstance->Modules->AddService(bc);
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
tokens["EXTBAN"].push_back('B');
}
void OnRehash(User* user) CXX11_OVERRIDE
{
ReadConf();
}
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE
{
if (target_type == TYPE_CHANNEL)
{
if ((!IS_LOCAL(user)) || (text.length() < minlen))
return MOD_RES_PASSTHRU;
Channel* c = (Channel*)dest;
ModResult res = ServerInstance->OnCheckExemption(user,c,"blockcaps");
if (res == MOD_RES_ALLOW)
return MOD_RES_PASSTHRU;
if (!c->GetExtBanStatus(user, 'B').check(!c->IsModeSet(bc)))
{
int caps = 0;
const char* actstr = "\1ACTION ";
int act = 0;
for (std::string::iterator i = text.begin(); i != text.end(); i++)
{
/* Smart fix for suggestion from Jobe, ignore CTCP ACTION (part of /ME) */
if (*actstr && *i == *actstr++ && act != -1)
{
act++;
continue;
}
else
act = -1;
caps += capsmap[(unsigned char)*i];
}
if ( ((caps*100)/(int)text.length()) >= percent )
{
user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s %s :Your message cannot contain more than %d%% capital letters if it's longer than %d characters", user->nick.c_str(), c->name.c_str(), percent, minlen);
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
void ReadConf()
{
ConfigTag* tag = ServerInstance->Config->ConfValue("blockcaps");
percent = tag->getInt("percent", 100);
minlen = tag->getInt("minlen", 1);
std::string hmap = tag->getString("capsmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
memset(capsmap, 0, sizeof(capsmap));
for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
capsmap[(unsigned char)*n] = 1;
if (percent < 1 || percent > 100)
{
ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "<blockcaps:percent> out of range, setting to default of 100.");
percent = 100;
}
if (minlen < 1 || minlen > ServerInstance->Config->Limits.MaxLine)
{
ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "<blockcaps:minlen> out of range, setting to default of 1.");
minlen = 1;
}
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support to block all-CAPS channel messages and notices", VF_VENDOR);
}
};
MODULE_INIT(ModuleBlockCAPS)
|
