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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2016 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 char* Name)
: DataProvider(mod, std::string("serializer/") + Name)
, evprov(mod, "event/messagetag")
{
}
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;
const ::Events::ModuleEventProvider::SubscriberList& list = evprov.GetSubscribers();
for (::Events::ModuleEventProvider::SubscriberList::const_iterator i = list.begin(); i != list.end(); ++i)
{
MessageTagProvider* const tagprov = static_cast<MessageTagProvider*>(*i);
const ModResult res = tagprov->OnProcessTag(user, tagname, tagvalue);
if (res == MOD_RES_ALLOW)
return tags.insert(std::make_pair(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) const
{
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;
FOREACH_MOD_CUSTOM(evprov, MessageTagProvider, OnClientProtocolPopulateTags, (msg));
}
return msg.GetSerialized(Message::SerializedInfo(this, MakeTagWhitelist(user, msg.GetTags())));
}
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 (SerializedList::const_iterator i = serlist.begin(); i != serlist.end(); ++i)
{
const SerializedInfo& curr = i->first;
if (curr == serializeinfo)
return i->second;
}
// 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;
FOREACH_MOD_CUSTOM(*event, 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;
FIRST_MOD_RESULT_CUSTOM(*event, EventHook, OnPreEventSend, res, (user, *this, messagelist));
if (res == MOD_RES_DENY)
messagelist.clear();
}
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