summaryrefslogtreecommitdiff
path: root/src/modules/m_exemptchanops.cpp
blob: eec452df1f55027da54359c818f1a8b521b34902 (plain)
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
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
 *
 * 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"
#include "u_listmode.h"

/* $ModDesc: Provides the ability to allow channel operators to be exempt from certain modes. */

/** Handles channel mode +X
 */
class ExemptChanOps : public ListModeBase
{
 public:
	ExemptChanOps(Module* Creator) : ListModeBase(Creator, "exemptchanops", 'X', "End of channel exemptchanops list", 954, 953, false, "exemptchanops") { }

	bool ValidateParam(User* user, Channel* chan, std::string &word)
	{
		// TODO actually make sure there's a prop for this
		if ((word.length() > 35) || (word.empty()))
		{
			user->WriteNumeric(955, "%s %s %s :word is too %s for exemptchanops list",user->nick.c_str(), chan->name.c_str(), word.c_str(), (word.empty() ? "short" : "long"));
			return false;
		}

		return true;
	}

	bool TellListTooLong(User* user, Channel* chan, std::string &word)
	{
		user->WriteNumeric(959, "%s %s %s :Channel exemptchanops list is full", user->nick.c_str(), chan->name.c_str(), word.c_str());
		return true;
	}

	void TellAlreadyOnList(User* user, Channel* chan, std::string &word)
	{
		user->WriteNumeric(957, "%s %s :The word %s is already on the exemptchanops list",user->nick.c_str(), chan->name.c_str(), word.c_str());
	}

	void TellNotSet(User* user, Channel* chan, std::string &word)
	{
		user->WriteNumeric(958, "%s %s :No such exemptchanops word is set",user->nick.c_str(), chan->name.c_str());
	}
};

class ExemptHandler : public HandlerBase3<ModResult, User*, Channel*, const std::string&>
{
 public:
	ExemptChanOps ec;
	ExemptHandler(Module* me) : ec(me) {}

	ModeHandler* FindMode(const std::string& mid)
	{
		if (mid.length() == 1)
			return ServerInstance->Modes->FindMode(mid[0], MODETYPE_CHANNEL);
		for(char c='A'; c < 'z'; c++)
		{
			ModeHandler* mh = ServerInstance->Modes->FindMode(c, MODETYPE_CHANNEL);
			if (mh && mh->name == mid)
				return mh;
		}
		return NULL;
	}

	ModResult Call(User* user, Channel* chan, const std::string& restriction)
	{
		unsigned int mypfx = chan->GetPrefixValue(user);
		std::string minmode;

		modelist* list = ec.extItem.get(chan);

		if (list)
		{
			for (modelist::iterator i = list->begin(); i != list->end(); ++i)
			{
				std::string::size_type pos = (*i).mask.find(':');
				if (pos == std::string::npos)
					continue;
				if ((*i).mask.substr(0,pos) == restriction)
					minmode = (*i).mask.substr(pos + 1);
			}
		}

		ModeHandler* mh = FindMode(minmode);
		if (mh && mypfx >= mh->GetPrefixRank())
			return MOD_RES_ALLOW;
		if (mh || minmode == "*")
			return MOD_RES_DENY;

		return ServerInstance->HandleOnCheckExemption.Call(user, chan, restriction);
	}
};

class ModuleExemptChanOps : public Module
{
	std::string defaults;
	ExemptHandler eh;

 public:
	ModuleExemptChanOps() : eh(this)
	{
	}

	void init()
	{
		ServerInstance->Modules->AddService(eh.ec);
		Implementation eventlist[] = { I_OnRehash, I_OnSyncChannel };
		ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
		ServerInstance->OnCheckExemption = &eh;

		OnRehash(NULL);
	}

	~ModuleExemptChanOps()
	{
		ServerInstance->OnCheckExemption = &ServerInstance->HandleOnCheckExemption;
	}

	Version GetVersion()
	{
		return Version("Provides the ability to allow channel operators to be exempt from certain modes.",VF_VENDOR);
	}

	void OnRehash(User* user)
	{
		eh.ec.DoRehash();
	}

	void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
	{
		eh.ec.DoSyncChannel(chan, proto, opaque);
	}
};

MODULE_INIT(ModuleExemptChanOps)