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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2013, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006-2007 Craig Edwards <brain@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 "modules/whois.h"
enum
{
// From UnrealIRCd.
RPL_WHOISHELPOP = 310,
// From ircd-ratbox.
ERR_HELPNOTFOUND = 524,
RPL_HELPSTART = 704,
RPL_HELPTXT = 705,
RPL_ENDOFHELP = 706
};
typedef std::vector<std::string> HelpMessage;
typedef std::map<std::string, HelpMessage, irc::insensitive_swo> HelpMap;
class CommandHelpop : public Command
{
private:
const std::string startkey;
public:
HelpMap help;
std::string nohelp;
CommandHelpop(Module* Creator)
: Command(Creator, "HELPOP", 0)
, startkey("start")
{
syntax = "<any-text>";
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
const std::string& topic = parameters.empty() ? startkey : parameters[0];
HelpMap::const_iterator titer = help.find(topic);
if (titer == help.end())
{
user->WriteNumeric(ERR_HELPNOTFOUND, topic, nohelp);
return CMD_FAILURE;
}
user->WriteNumeric(RPL_HELPSTART, topic, InspIRCd::Format("*** Help for %s", topic.c_str()));
for (HelpMessage::const_iterator liter = titer->second.begin(); liter != titer->second.end(); ++liter)
user->WriteNumeric(RPL_HELPTXT, topic, *liter);
user->WriteNumeric(RPL_ENDOFHELP, topic, "*** End of help");
return CMD_SUCCESS;
}
};
class ModuleHelpop
: public Module
, public Whois::EventListener
{
private:
CommandHelpop cmd;
SimpleUserModeHandler ho;
public:
ModuleHelpop()
: Whois::EventListener(this)
, cmd(this)
, ho(this, "helpop", 'h', true)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
size_t longestkey = 0;
HelpMap newhelp;
ConfigTagList tags = ServerInstance->Config->ConfTags("helpop");
if (tags.first == tags.second)
throw ModuleException("You have loaded the helpop module but not configured any help topics!");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
// Attempt to read the help key.
const std::string key = tag->getString("key");
if (key.empty())
throw ModuleException(InspIRCd::Format("<helpop:key> is empty at %s", tag->getTagLocation().c_str()));
else if (irc::equals(key, "index"))
throw ModuleException(InspIRCd::Format("<helpop:key> is set to \"index\" which is reserved at %s", tag->getTagLocation().c_str()));
else if (key.length() > longestkey)
longestkey = key.length();
// Attempt to read the help value.
std::string value;
if (!tag->readString("value", value, true) || value.empty())
throw ModuleException(InspIRCd::Format("<helpop:value> is empty at %s", tag->getTagLocation().c_str()));
// Parse the help body. Empty lines are replaced with a single
// space because some clients are unable to show blank lines.
HelpMessage helpmsg;
irc::sepstream linestream(value, '\n', true);
for (std::string line; linestream.GetToken(line); )
helpmsg.push_back(line.empty() ? " " : line);
newhelp[key] = helpmsg;
}
// The number of items we can fit on a page.
HelpMessage& indexmsg = newhelp["index"];
size_t maxcolumns = 80 / (longestkey + 2);
for (HelpMap::iterator iter = newhelp.begin(); iter != newhelp.end(); )
{
std::string indexline;
for (size_t column = 0; column != maxcolumns; )
{
if (iter == newhelp.end())
break;
indexline.append(iter->first);
if (++column != maxcolumns)
indexline.append(longestkey - iter->first.length() + 2, ' ');
iter++;
}
indexmsg.push_back(indexline);
}
cmd.help.swap(newhelp);
ConfigTag* tag = ServerInstance->Config->ConfValue("helpmsg");
cmd.nohelp = tag->getString("nohelp", "There is no help for the topic you searched for. Please try again.", 1);
}
void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
{
if (whois.GetTarget()->IsModeSet(ho))
whois.SendLine(RPL_WHOISHELPOP, "is available for help.");
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides help to users via the HELPOP command", VF_VENDOR);
}
};
MODULE_INIT(ModuleHelpop)
|
