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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2017-2020, 2022 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2015, 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"
#include "modules/cap.h"
#include "modules/ctctags.h"
class EchoTag CXX11_FINAL
: public ClientProtocol::MessageTagProvider
{
private:
CTCTags::CapReference stdrplcap;
public:
Cap::Capability echomsgcap;
EchoTag(Module* Creator)
: ClientProtocol::MessageTagProvider(Creator)
, stdrplcap(Creator)
, echomsgcap(Creator, "echo-message")
{
}
bool ShouldSendTag(LocalUser* user, const ClientProtocol::MessageTagData& tagdata) CXX11_OVERRIDE
{
return stdrplcap.get(user) && echomsgcap.get(user);
}
};
class ModuleIRCv3EchoMessage
: public Module
, public CTCTags::EventListener
{
private:
EchoTag echotag;
ClientProtocol::EventProvider tagmsgprov;
void AddEchoTag(ClientProtocol::Message& msg)
{
msg.AddTag("inspircd.org/echo", &echotag, "");
}
public:
ModuleIRCv3EchoMessage()
: CTCTags::EventListener(this)
, echotag(this)
, tagmsgprov(this, "TAGMSG")
{
}
void OnUserPostMessage(User* user, const MessageTarget& target, const MessageDetails& details) CXX11_OVERRIDE
{
if (!echotag.echomsgcap.get(user) || !details.echo)
return;
// Caps are only set on local users
LocalUser* const localuser = static_cast<LocalUser*>(user);
const std::string& text = details.echo_original ? details.original_text : details.text;
const ClientProtocol::TagMap& tags = details.echo_original ? details.tags_in : details.tags_out;
switch (target.type)
{
case MessageTarget::TYPE_USER:
{
User* destuser = target.Get<User>();
ClientProtocol::Messages::Privmsg privmsg(ClientProtocol::Messages::Privmsg::nocopy, user, destuser, text, details.type);
privmsg.AddTags(tags);
AddEchoTag(privmsg);
localuser->Send(ServerInstance->GetRFCEvents().privmsg, privmsg);
break;
}
case MessageTarget::TYPE_CHANNEL:
{
Channel* chan = target.Get<Channel>();
ClientProtocol::Messages::Privmsg privmsg(ClientProtocol::Messages::Privmsg::nocopy, user, chan, text, details.type, target.status);
privmsg.AddTags(tags);
AddEchoTag(privmsg);
localuser->Send(ServerInstance->GetRFCEvents().privmsg, privmsg);
break;
}
case MessageTarget::TYPE_SERVER:
{
const std::string* servername = target.Get<std::string>();
ClientProtocol::Messages::Privmsg privmsg(ClientProtocol::Messages::Privmsg::nocopy, user, *servername, text, details.type);
privmsg.AddTags(tags);
AddEchoTag(privmsg);
localuser->Send(ServerInstance->GetRFCEvents().privmsg, privmsg);
break;
}
}
}
void OnUserPostTagMessage(User* user, const MessageTarget& target, const CTCTags::TagMessageDetails& details) CXX11_OVERRIDE
{
if (!echotag.echomsgcap.get(user) || !details.echo)
return;
// Caps are only set on local users
LocalUser* const localuser = static_cast<LocalUser*>(user);
const ClientProtocol::TagMap& tags = details.echo_original ? details.tags_in : details.tags_out;
switch (target.type)
{
case MessageTarget::TYPE_USER:
{
User* destuser = target.Get<User>();
CTCTags::TagMessage message(user, destuser, tags);
AddEchoTag(message);
localuser->Send(tagmsgprov, message);
break;
}
case MessageTarget::TYPE_CHANNEL:
{
Channel* chan = target.Get<Channel>();
CTCTags::TagMessage message(user, chan, tags, target.status);
AddEchoTag(message);
localuser->Send(tagmsgprov, message);
break;
}
case MessageTarget::TYPE_SERVER:
{
const std::string* servername = target.Get<std::string>();
CTCTags::TagMessage message(user, servername->c_str(), tags);
AddEchoTag(message);
localuser->Send(tagmsgprov, message);
break;
}
}
}
void OnUserMessageBlocked(User* user, const MessageTarget& target, const MessageDetails& details) CXX11_OVERRIDE
{
// Prevent spammers from knowing that their spam was blocked.
if (details.echo_original)
OnUserPostMessage(user, target, details);
}
void OnUserTagMessageBlocked(User* user, const MessageTarget& target, const CTCTags::TagMessageDetails& details) CXX11_OVERRIDE
{
// Prevent spammers from knowing that their spam was blocked.
if (details.echo_original)
OnUserPostTagMessage(user, target, details);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides the IRCv3 echo-message client capability.", VF_VENDOR);
}
};
MODULE_INIT(ModuleIRCv3EchoMessage)
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