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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018-2020, 2022 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2018 Attila Molnar <attilamolnar@hush.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"
ClientProtocol::Serializer::Serializer(Module* mod, const std::string& Name)
: DataProvider(mod, "serializer/" + Name)
, evprov(mod)
{
}
bool ClientProtocol::Serializer::HandleTag(LocalUser* user, const std::string& tagname, std::string& tagvalue, TagMap& tags) const
{
// Catch and block empty tags
if (tagname.empty())
return false;
for (const auto& subscriber : evprov.GetSubscribers())
{
MessageTagProvider* const tagprov = static_cast<MessageTagProvider*>(subscriber);
const ModResult res = tagprov->OnProcessTag(user, tagname, tagvalue);
if (res == MOD_RES_ALLOW)
return tags.emplace(tagname, MessageTagData(tagprov, tagvalue)).second;
else if (res == MOD_RES_DENY)
break;
}
// No module handles the tag but that's not an error
return true;
}
ClientProtocol::TagSelection ClientProtocol::Serializer::MakeTagWhitelist(LocalUser* user, const TagMap& tagmap)
{
TagSelection tagwl;
for (TagMap::const_iterator i = tagmap.begin(); i != tagmap.end(); ++i)
{
const MessageTagData& tagdata = i->second;
if (tagdata.tagprov->ShouldSendTag(user, tagdata))
tagwl.Select(tagmap, i);
}
return tagwl;
}
const ClientProtocol::SerializedMessage& ClientProtocol::Serializer::SerializeForUser(LocalUser* user, Message& msg)
{
if (!msg.msginit_done)
{
msg.msginit_done = true;
evprov.Call(&MessageTagProvider::OnPopulateTags, msg);
}
return msg.GetSerialized(Message::SerializedInfo(this, MakeTagWhitelist(user, msg.GetTags())));
}
std::string ClientProtocol::Message::EscapeTag(const std::string& value)
{
std::string ret;
ret.reserve(value.size());
for (const char& chr : value)
{
switch (chr)
{
case ' ':
ret.append("\\s");
break;
case ';':
ret.append("\\;");
break;
case '\\':
ret.append("\\\\");
break;
case '\n':
ret.append("\\n");
break;
case '\r':
ret.append("\\r");
break;
default:
ret.push_back(chr);
break;
}
}
return ret;
}
const ClientProtocol::SerializedMessage& ClientProtocol::Message::GetSerialized(const SerializedInfo& serializeinfo) const
{
// First check if the serialized line they're asking for is in the cache
for (const auto& [info, msg] : serlist)
{
if (info == serializeinfo)
return msg;
}
// Not cached, generate it and put it in the cache for later use
serlist.push_back(std::make_pair(serializeinfo, serializeinfo.serializer->Serialize(*this, serializeinfo.tagwl)));
return serlist.back().second;
}
void ClientProtocol::Event::GetMessagesForUser(LocalUser* user, MessageList& messagelist)
{
if (!eventinit_done)
{
eventinit_done = true;
event->Call(&EventHook::OnEventInit, *this);
}
// Most of the time there's only a single message but in rare cases there are more
if (initialmsg)
messagelist.assign(1, initialmsg);
else
messagelist = *initialmsglist;
// Let modules modify the message list
ModResult res = event->FirstResult(&EventHook::OnPreEventSend, user, *this, messagelist);
if (res == MOD_RES_DENY)
messagelist.clear();
}
|
