782 lines
25 KiB
C++
782 lines
25 KiB
C++
#include <utils/timed_events.hpp>
|
||
#include <irc/irc_message.hpp>
|
||
#include <irc/irc_client.hpp>
|
||
#include <bridge/bridge.hpp>
|
||
#include <irc/irc_user.hpp>
|
||
|
||
#include <logger/logger.hpp>
|
||
#include <utils/tolower.hpp>
|
||
#include <utils/split.hpp>
|
||
|
||
#include <iostream>
|
||
#include <stdexcept>
|
||
|
||
#include <chrono>
|
||
#include <string>
|
||
|
||
#include "config.h"
|
||
|
||
using namespace std::string_literals;
|
||
using namespace std::chrono_literals;
|
||
|
||
IrcClient::IrcClient(std::shared_ptr<Poller> poller, const std::string& hostname, const std::string& username, Bridge* bridge):
|
||
TCPSocketHandler(poller),
|
||
hostname(hostname),
|
||
username(username),
|
||
current_nick(username),
|
||
bridge(bridge),
|
||
welcomed(false),
|
||
chanmodes({"", "", "", ""}),
|
||
chantypes({'#', '&'})
|
||
{
|
||
this->dummy_channel.topic = "This is a virtual channel provided for "
|
||
"convenience by biboumi, it is not connected "
|
||
"to any actual IRC channel of the server '" + this->hostname +
|
||
"', and sending messages in it has no effect. "
|
||
"Its main goal is to keep the connection to the IRC server "
|
||
"alive without having to join a real channel of that server. "
|
||
"To disconnect from the IRC server, leave this room and all "
|
||
"other IRC channels of that server.";
|
||
// TODO: get the values from the preferences of the user, and only use the
|
||
// list of default ports if the user didn't specify anything
|
||
this->ports_to_try.emplace("6667", false); // standard non-encrypted port
|
||
#ifdef BOTAN_FOUND
|
||
this->ports_to_try.emplace("6670", true); // non-standard but I want it for some servers
|
||
this->ports_to_try.emplace("6697", true); // standard encrypted port
|
||
#endif // BOTAN_FOUND
|
||
}
|
||
|
||
IrcClient::~IrcClient()
|
||
{
|
||
// This event may or may not exist (if we never got connected, it
|
||
// doesn't), but it's ok
|
||
TimedEventsManager::instance().cancel("PING"s + this->hostname + this->bridge->get_jid());
|
||
}
|
||
|
||
void IrcClient::start()
|
||
{
|
||
if (this->connected || this->connecting)
|
||
return ;
|
||
std::string port;
|
||
bool tls;
|
||
std::tie(port, tls) = this->ports_to_try.top();
|
||
this->ports_to_try.pop();
|
||
this->bridge->send_xmpp_message(this->hostname, "", "Connecting to "s +
|
||
this->hostname + ":" + port + " (" +
|
||
(tls ? "encrypted" : "not encrypted") + ")");
|
||
this->connect(this->hostname, port, tls);
|
||
}
|
||
|
||
void IrcClient::on_connection_failed(const std::string& reason)
|
||
{
|
||
this->bridge->send_xmpp_message(this->hostname, "",
|
||
"Connection failed: "s + reason);
|
||
if (this->ports_to_try.empty())
|
||
{
|
||
// Send an error message for all room that the user wanted to join
|
||
for (const std::string& channel: this->channels_to_join)
|
||
{
|
||
Iid iid(channel + "%" + this->hostname);
|
||
this->bridge->send_presence_error(iid, this->current_nick,
|
||
"cancel", "item-not-found",
|
||
"", reason);
|
||
}
|
||
}
|
||
else // try the next port
|
||
this->start();
|
||
}
|
||
|
||
void IrcClient::on_connected()
|
||
{
|
||
this->send_nick_command(this->username);
|
||
this->send_user_command(this->username, this->username);
|
||
this->send_gateway_message("Connected to IRC server"s + (this->use_tls ? " (encrypted)": "") + ".");
|
||
this->send_pending_data();
|
||
}
|
||
|
||
void IrcClient::on_connection_close(const std::string& error_msg)
|
||
{
|
||
std::string message = "Connection closed by remote server.";
|
||
if (!error_msg.empty())
|
||
message += ": " + error_msg;
|
||
const IrcMessage error{"ERROR", {message}};
|
||
this->on_error(error);
|
||
log_warning(message);
|
||
}
|
||
|
||
IrcChannel* IrcClient::get_channel(const std::string& n)
|
||
{
|
||
if (n.empty())
|
||
return &this->dummy_channel;
|
||
const std::string name = utils::tolower(n);
|
||
try
|
||
{
|
||
return this->channels.at(name).get();
|
||
}
|
||
catch (const std::out_of_range& exception)
|
||
{
|
||
this->channels.emplace(name, std::make_unique<IrcChannel>());
|
||
return this->channels.at(name).get();
|
||
}
|
||
}
|
||
|
||
bool IrcClient::is_channel_joined(const std::string& name)
|
||
{
|
||
IrcChannel* channel = this->get_channel(name);
|
||
return channel->joined;
|
||
}
|
||
|
||
std::string IrcClient::get_own_nick() const
|
||
{
|
||
return this->current_nick;
|
||
}
|
||
|
||
void IrcClient::parse_in_buffer(const size_t)
|
||
{
|
||
while (true)
|
||
{
|
||
auto pos = this->in_buf.find("\r\n");
|
||
if (pos == std::string::npos)
|
||
break ;
|
||
IrcMessage message(this->in_buf.substr(0, pos));
|
||
this->in_buf = this->in_buf.substr(pos + 2, std::string::npos);
|
||
log_debug("IRC RECEIVING: " << message);
|
||
|
||
// Call the standard callback (if any), associated with the command
|
||
// name that we just received.
|
||
auto cb = irc_callbacks.find(message.command);
|
||
if (cb != irc_callbacks.end())
|
||
{
|
||
try {
|
||
(this->*(cb->second))(message);
|
||
} catch (const std::exception& e) {
|
||
log_error("Unhandled exception: " << e.what());
|
||
}
|
||
}
|
||
else
|
||
log_info("No handler for command " << message.command);
|
||
// Try to find a waiting_iq, which response will be triggered by this IrcMessage
|
||
this->bridge->trigger_response_iq(this->hostname, message);
|
||
}
|
||
}
|
||
|
||
void IrcClient::send_message(IrcMessage&& message)
|
||
{
|
||
log_debug("IRC SENDING: " << message);
|
||
std::string res;
|
||
if (!message.prefix.empty())
|
||
res += ":" + std::move(message.prefix) + " ";
|
||
res += std::move(message.command);
|
||
for (const std::string& arg: message.arguments)
|
||
{
|
||
if (arg.find(" ") != std::string::npos ||
|
||
(!arg.empty() && arg[0] == ':'))
|
||
{
|
||
res += " :" + arg;
|
||
break;
|
||
}
|
||
res += " " + arg;
|
||
}
|
||
res += "\r\n";
|
||
this->send_data(std::move(res));
|
||
}
|
||
|
||
void IrcClient::send_user_command(const std::string& username, const std::string& realname)
|
||
{
|
||
this->send_message(IrcMessage("USER", {username, "ignored", "ignored", realname}));
|
||
}
|
||
|
||
void IrcClient::send_nick_command(const std::string& nick)
|
||
{
|
||
this->send_message(IrcMessage("NICK", {nick}));
|
||
}
|
||
|
||
void IrcClient::send_kick_command(const std::string& chan_name, const std::string& target, const std::string& reason)
|
||
{
|
||
this->send_message(IrcMessage("KICK", {chan_name, target, reason}));
|
||
}
|
||
|
||
void IrcClient::send_topic_command(const std::string& chan_name, const std::string& topic)
|
||
{
|
||
this->send_message(IrcMessage("TOPIC", {chan_name, topic}));
|
||
}
|
||
|
||
void IrcClient::send_quit_command(const std::string& reason)
|
||
{
|
||
this->send_message(IrcMessage("QUIT", {reason}));
|
||
}
|
||
|
||
void IrcClient::send_join_command(const std::string& chan_name)
|
||
{
|
||
if (this->welcomed == false)
|
||
this->channels_to_join.push_back(chan_name);
|
||
else
|
||
this->send_message(IrcMessage("JOIN", {chan_name}));
|
||
this->start();
|
||
}
|
||
|
||
bool IrcClient::send_channel_message(const std::string& chan_name, const std::string& body)
|
||
{
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
if (channel->joined == false)
|
||
{
|
||
log_warning("Cannot send message to channel " << chan_name << ", it is not joined");
|
||
return false;
|
||
}
|
||
// Cut the message body into 400-bytes parts (because the whole command
|
||
// must fit into 512 bytes, that's an easy way to make sure the chan name
|
||
// + body fits. I’m lazy.)
|
||
std::string::size_type pos = 0;
|
||
while (pos < body.size())
|
||
{
|
||
this->send_message(IrcMessage("PRIVMSG", {chan_name, body.substr(pos, 400)}));
|
||
pos += 400;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void IrcClient::send_private_message(const std::string& username, const std::string& body, const std::string& type)
|
||
{
|
||
std::string::size_type pos = 0;
|
||
while (pos < body.size())
|
||
{
|
||
this->send_message(IrcMessage(std::string(type), {username, body.substr(pos, 400)}));
|
||
pos += 400;
|
||
}
|
||
|
||
}
|
||
|
||
void IrcClient::send_part_command(const std::string& chan_name, const std::string& status_message)
|
||
{
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
if (channel->joined == true)
|
||
{
|
||
if (chan_name.empty())
|
||
this->leave_dummy_channel(status_message);
|
||
else
|
||
this->send_message(IrcMessage("PART", {chan_name, status_message}));
|
||
}
|
||
}
|
||
|
||
void IrcClient::send_mode_command(const std::string& chan_name, const std::vector<std::string>& arguments)
|
||
{
|
||
std::vector<std::string> args(arguments);
|
||
args.insert(args.begin(), chan_name);
|
||
IrcMessage m("MODE", std::move(args));
|
||
this->send_message(std::move(m));
|
||
}
|
||
|
||
void IrcClient::send_pong_command(const IrcMessage& message)
|
||
{
|
||
const std::string id = message.arguments[0];
|
||
this->send_message(IrcMessage("PONG", {id}));
|
||
}
|
||
|
||
void IrcClient::send_ping_command()
|
||
{
|
||
this->send_message(IrcMessage("PING", {"biboumi"}));
|
||
}
|
||
|
||
void IrcClient::forward_server_message(const IrcMessage& message)
|
||
{
|
||
const std::string from = message.prefix;
|
||
const std::string body = message.arguments[1];
|
||
|
||
this->bridge->send_xmpp_message(this->hostname, from, body);
|
||
}
|
||
|
||
void IrcClient::on_notice(const IrcMessage& message)
|
||
{
|
||
std::string from = message.prefix;
|
||
const std::string to = message.arguments[0];
|
||
const std::string body = message.arguments[1];
|
||
|
||
if (!to.empty() && this->chantypes.find(to[0]) == this->chantypes.end())
|
||
this->bridge->send_xmpp_message(this->hostname, from, body);
|
||
else
|
||
{
|
||
IrcMessage modified_message(std::move(from), "PRIVMSG", {to, "\u000303[notice]\u0003 "s + body});
|
||
this->on_channel_message(modified_message);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_isupport_message(const IrcMessage& message)
|
||
{
|
||
const size_t len = message.arguments.size();
|
||
for (size_t i = 1; i < len; ++i)
|
||
{
|
||
const std::string token = message.arguments[i];
|
||
if (token.substr(0, 10) == "CHANMODES=")
|
||
{
|
||
this->chanmodes = utils::split(token.substr(11), ',');
|
||
// make sure we have 4 strings
|
||
this->chanmodes.resize(4);
|
||
}
|
||
else if (token.substr(0, 7) == "PREFIX=")
|
||
{
|
||
size_t i = 8; // jump PREFIX=(
|
||
size_t j = 9;
|
||
// Find the ) char
|
||
while (j < token.size() && token[j] != ')')
|
||
j++;
|
||
j++;
|
||
while (j < token.size() && token[i] != ')')
|
||
{
|
||
this->sorted_user_modes.push_back(token[i]);
|
||
this->prefix_to_mode[token[j++]] = token[i++];
|
||
}
|
||
}
|
||
else if (token.substr(0, 10) == "CHANTYPES=")
|
||
{
|
||
// Remove the default types, they apply only if no other value is
|
||
// specified.
|
||
this->chantypes.clear();
|
||
size_t i = 10;
|
||
while (i < token.size())
|
||
this->chantypes.insert(token[i++]);
|
||
}
|
||
}
|
||
}
|
||
|
||
void IrcClient::send_gateway_message(const std::string& message, const std::string& from)
|
||
{
|
||
this->bridge->send_xmpp_message(this->hostname, from, message);
|
||
}
|
||
|
||
void IrcClient::set_and_forward_user_list(const IrcMessage& message)
|
||
{
|
||
const std::string chan_name = utils::tolower(message.arguments[2]);
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
std::vector<std::string> nicks = utils::split(message.arguments[3], ' ');
|
||
for (const std::string& nick: nicks)
|
||
{
|
||
const IrcUser* user = channel->add_user(nick, this->prefix_to_mode);
|
||
if (user->nick != channel->get_self()->nick)
|
||
{
|
||
this->bridge->send_user_join(this->hostname, chan_name, user,
|
||
user->get_most_significant_mode(this->sorted_user_modes),
|
||
false);
|
||
}
|
||
else
|
||
{
|
||
// we now know the modes of self, so copy the modes into self
|
||
channel->get_self()->modes = user->modes;
|
||
}
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_channel_join(const IrcMessage& message)
|
||
{
|
||
const std::string chan_name = utils::tolower(message.arguments[0]);
|
||
IrcChannel* channel;
|
||
if (chan_name.empty())
|
||
channel = &this->dummy_channel;
|
||
else
|
||
channel = this->get_channel(chan_name);
|
||
const std::string nick = message.prefix;
|
||
if (channel->joined == false)
|
||
channel->set_self(nick);
|
||
else
|
||
{
|
||
const IrcUser* user = channel->add_user(nick, this->prefix_to_mode);
|
||
this->bridge->send_user_join(this->hostname, chan_name, user,
|
||
user->get_most_significant_mode(this->sorted_user_modes),
|
||
false);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_channel_message(const IrcMessage& message)
|
||
{
|
||
const IrcUser user(message.prefix);
|
||
const std::string nick = user.nick;
|
||
Iid iid;
|
||
iid.set_local(message.arguments[0]);
|
||
iid.set_server(this->hostname);
|
||
const std::string body = message.arguments[1];
|
||
bool muc = true;
|
||
if (!this->get_channel(iid.get_local())->joined)
|
||
{
|
||
iid.is_user = true;
|
||
iid.set_local(nick);
|
||
muc = false;
|
||
}
|
||
else
|
||
iid.is_channel = true;
|
||
if (!body.empty() && body[0] == '\01')
|
||
{
|
||
if (body.substr(1, 6) == "ACTION")
|
||
this->bridge->send_message(iid, nick,
|
||
"/me"s + body.substr(7, body.size() - 8), muc);
|
||
else if (body.substr(1, 8) == "VERSION\01")
|
||
this->bridge->send_iq_version_request(nick, this->hostname);
|
||
}
|
||
else
|
||
this->bridge->send_message(iid, nick, body, muc);
|
||
}
|
||
|
||
void IrcClient::empty_motd(const IrcMessage& message)
|
||
{
|
||
(void)message;
|
||
this->motd.erase();
|
||
}
|
||
|
||
void IrcClient::on_motd_line(const IrcMessage& message)
|
||
{
|
||
const std::string body = message.arguments[1];
|
||
// We could send the MOTD without a line break between each IRC-message,
|
||
// but sometimes it contains some ASCII art, we use line breaks to keep
|
||
// them intact.
|
||
this->motd += body+"\n";
|
||
}
|
||
|
||
void IrcClient::send_motd(const IrcMessage& message)
|
||
{
|
||
(void)message;
|
||
this->bridge->send_xmpp_message(this->hostname, "", this->motd);
|
||
}
|
||
|
||
void IrcClient::on_topic_received(const IrcMessage& message)
|
||
{
|
||
if (message.arguments.size() < 2)
|
||
return;
|
||
const std::string chan_name = utils::tolower(message.arguments[message.arguments.size() - 2]);
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
channel->topic = message.arguments[message.arguments.size() - 1];
|
||
if (channel->joined)
|
||
this->bridge->send_topic(this->hostname, chan_name, channel->topic);
|
||
}
|
||
|
||
void IrcClient::on_channel_completely_joined(const IrcMessage& message)
|
||
{
|
||
const std::string chan_name = utils::tolower(message.arguments[1]);
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
channel->joined = true;
|
||
this->bridge->send_user_join(this->hostname, chan_name, channel->get_self(),
|
||
channel->get_self()->get_most_significant_mode(this->sorted_user_modes),
|
||
true);
|
||
this->bridge->send_topic(this->hostname, chan_name, channel->topic);
|
||
}
|
||
|
||
void IrcClient::on_erroneous_nickname(const IrcMessage& message)
|
||
{
|
||
const std::string error_msg = message.arguments.size() >= 3 ?
|
||
message.arguments[2]: "Erroneous nickname";
|
||
this->send_gateway_message(error_msg + ": " + message.arguments[1], message.prefix);
|
||
}
|
||
|
||
void IrcClient::on_nickname_conflict(const IrcMessage& message)
|
||
{
|
||
const std::string nickname = message.arguments[1];
|
||
this->on_generic_error(message);
|
||
for (auto it = this->channels.begin(); it != this->channels.end(); ++it)
|
||
{
|
||
Iid iid;
|
||
iid.set_local(it->first);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
this->bridge->send_nickname_conflict_error(iid, nickname);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_nickname_change_too_fast(const IrcMessage& message)
|
||
{
|
||
const std::string nickname = message.arguments[1];
|
||
std::string txt;
|
||
if (message.arguments.size() >= 3)
|
||
txt = message.arguments[2];
|
||
this->on_generic_error(message);
|
||
for (auto it = this->channels.begin(); it != this->channels.end(); ++it)
|
||
{
|
||
Iid iid;
|
||
iid.set_local(it->first);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
this->bridge->send_presence_error(iid, nickname,
|
||
"cancel", "not-acceptable",
|
||
"", txt);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_generic_error(const IrcMessage& message)
|
||
{
|
||
const std::string error_msg = message.arguments.size() >= 3 ?
|
||
message.arguments[2]: "Unspecified error";
|
||
this->send_gateway_message(message.arguments[1] + ": " + error_msg, message.prefix);
|
||
}
|
||
|
||
void IrcClient::on_welcome_message(const IrcMessage& message)
|
||
{
|
||
this->current_nick = message.arguments[0];
|
||
this->welcomed = true;
|
||
// Install a repeated events to regularly send a PING
|
||
TimedEventsManager::instance().add_event(TimedEvent(240s, std::bind(&IrcClient::send_ping_command, this),
|
||
"PING"s + this->hostname + this->bridge->get_jid()));
|
||
for (const std::string& chan_name: this->channels_to_join)
|
||
this->send_join_command(chan_name);
|
||
this->channels_to_join.clear();
|
||
// Indicate that the dummy channel is joined as well, if needed
|
||
if (this->dummy_channel.joining)
|
||
{
|
||
// Simulate a message coming from the IRC server saying that we joined
|
||
// the channel
|
||
const IrcMessage join_message(this->get_nick(), "JOIN", {""});
|
||
this->on_channel_join(join_message);
|
||
const IrcMessage end_join_message(std::string(this->hostname), "366",
|
||
{this->get_nick(),
|
||
"", "End of NAMES list"});
|
||
this->on_channel_completely_joined(end_join_message);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_part(const IrcMessage& message)
|
||
{
|
||
const std::string chan_name = message.arguments[0];
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
if (!channel->joined)
|
||
return ;
|
||
std::string txt;
|
||
if (message.arguments.size() >= 2)
|
||
txt = message.arguments[1];
|
||
const IrcUser* user = channel->find_user(message.prefix);
|
||
if (user)
|
||
{
|
||
std::string nick = user->nick;
|
||
channel->remove_user(user);
|
||
Iid iid;
|
||
iid.set_local(chan_name);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
bool self = channel->get_self()->nick == nick;
|
||
if (self)
|
||
{
|
||
channel->joined = false;
|
||
this->channels.erase(utils::tolower(chan_name));
|
||
// channel pointer is now invalid
|
||
channel = nullptr;
|
||
}
|
||
this->bridge->send_muc_leave(std::move(iid), std::move(nick), std::move(txt), self);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_error(const IrcMessage& message)
|
||
{
|
||
const std::string leave_message = message.arguments[0];
|
||
// The user is out of all the channels
|
||
for (auto it = this->channels.begin(); it != this->channels.end(); ++it)
|
||
{
|
||
Iid iid;
|
||
iid.set_local(it->first);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
IrcChannel* channel = it->second.get();
|
||
if (!channel->joined)
|
||
continue;
|
||
std::string own_nick = channel->get_self()->nick;
|
||
this->bridge->send_muc_leave(std::move(iid), std::move(own_nick), leave_message, true);
|
||
}
|
||
this->channels.clear();
|
||
this->send_gateway_message("ERROR: "s + leave_message);
|
||
}
|
||
|
||
void IrcClient::on_quit(const IrcMessage& message)
|
||
{
|
||
std::string txt;
|
||
if (message.arguments.size() >= 1)
|
||
txt = message.arguments[0];
|
||
for (auto it = this->channels.begin(); it != this->channels.end(); ++it)
|
||
{
|
||
const std::string chan_name = it->first;
|
||
IrcChannel* channel = it->second.get();
|
||
const IrcUser* user = channel->find_user(message.prefix);
|
||
if (user)
|
||
{
|
||
std::string nick = user->nick;
|
||
channel->remove_user(user);
|
||
Iid iid;
|
||
iid.set_local(chan_name);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
this->bridge->send_muc_leave(std::move(iid), std::move(nick), txt, false);
|
||
}
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_nick(const IrcMessage& message)
|
||
{
|
||
const std::string new_nick = message.arguments[0];
|
||
for (auto it = this->channels.begin(); it != this->channels.end(); ++it)
|
||
{
|
||
const std::string chan_name = it->first;
|
||
IrcChannel* channel = it->second.get();
|
||
IrcUser* user = channel->find_user(message.prefix);
|
||
if (user)
|
||
{
|
||
std::string old_nick = user->nick;
|
||
Iid iid;
|
||
iid.set_local(chan_name);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
const bool self = channel->get_self()->nick == old_nick;
|
||
const char user_mode = user->get_most_significant_mode(this->sorted_user_modes);
|
||
this->bridge->send_nick_change(std::move(iid), old_nick, new_nick, user_mode, self);
|
||
user->nick = new_nick;
|
||
if (self)
|
||
{
|
||
channel->get_self()->nick = new_nick;
|
||
this->current_nick = new_nick;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_kick(const IrcMessage& message)
|
||
{
|
||
const std::string target = message.arguments[1];
|
||
const std::string reason = message.arguments[2];
|
||
const std::string chan_name = utils::tolower(message.arguments[0]);
|
||
IrcChannel* channel = this->get_channel(chan_name);
|
||
if (!channel->joined)
|
||
return ;
|
||
if (channel->get_self()->nick == target)
|
||
channel->joined = false;
|
||
IrcUser author(message.prefix);
|
||
Iid iid;
|
||
iid.set_local(chan_name);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
this->bridge->kick_muc_user(std::move(iid), target, reason, author.nick);
|
||
}
|
||
|
||
void IrcClient::on_mode(const IrcMessage& message)
|
||
{
|
||
const std::string target = message.arguments[0];
|
||
if (this->chantypes.find(target[0]) != this->chantypes.end())
|
||
this->on_channel_mode(message);
|
||
else
|
||
this->on_user_mode(message);
|
||
}
|
||
|
||
void IrcClient::on_channel_mode(const IrcMessage& message)
|
||
{
|
||
// For now, just transmit the modes so the user can know what happens
|
||
// TODO, actually interprete the mode.
|
||
Iid iid;
|
||
iid.set_local(message.arguments[0]);
|
||
iid.set_server(this->hostname);
|
||
iid.is_channel = true;
|
||
IrcUser user(message.prefix);
|
||
std::string mode_arguments;
|
||
for (size_t i = 1; i < message.arguments.size(); ++i)
|
||
{
|
||
if (!message.arguments[i].empty())
|
||
{
|
||
if (i != 1)
|
||
mode_arguments += " ";
|
||
mode_arguments += message.arguments[i];
|
||
}
|
||
}
|
||
this->bridge->send_message(iid, "", "Mode "s + iid.get_local() +
|
||
" [" + mode_arguments + "] by " + user.nick,
|
||
true);
|
||
const IrcChannel* channel = this->get_channel(iid.get_local());
|
||
if (!channel)
|
||
return;
|
||
|
||
// parse the received modes, we need to handle things like "+m-oo coucou toutou"
|
||
const std::string modes = message.arguments[1];
|
||
// a list of modified IrcUsers. When we applied all modes, we check the
|
||
// modes that now applies to each of them, and send a notification for
|
||
// each one. This is to disallow sending two notifications or more when a
|
||
// single MODE command changes two or more modes on the same participant
|
||
std::set<const IrcUser*> modified_users;
|
||
// If it is true, the modes are added, if it’s false they are
|
||
// removed. When we encounter the '+' char, the value is changed to true,
|
||
// and with '-' it is changed to false.
|
||
bool add = true;
|
||
bool use_arg;
|
||
size_t arg_pos = 2;
|
||
for (const char c: modes)
|
||
{
|
||
if (c == '+')
|
||
add = true;
|
||
else if (c == '-')
|
||
add = false;
|
||
else
|
||
{ // lookup the mode symbol in the 4 chanmodes lists, depending on
|
||
// the list where it is found, it takes an argument or not
|
||
size_t type;
|
||
for (type = 0; type < 4; ++type)
|
||
if (this->chanmodes[type].find(c) != std::string::npos)
|
||
break;
|
||
if (type == 4) // if mode was not found
|
||
{
|
||
// That mode can also be of type B if it is present in the
|
||
// prefix_to_mode map
|
||
for (const std::pair<char, char>& pair: this->prefix_to_mode)
|
||
if (pair.second == c)
|
||
{
|
||
type = 1;
|
||
break;
|
||
}
|
||
}
|
||
// modes of type A, B or C (but only with add == true)
|
||
if (type == 0 || type == 1 ||
|
||
(type == 2 && add == true))
|
||
use_arg = true;
|
||
else // modes of type C (but only with add == false), D, or unknown
|
||
use_arg = false;
|
||
if (use_arg == true && message.arguments.size() > arg_pos)
|
||
{
|
||
const std::string target = message.arguments[arg_pos++];
|
||
IrcUser* user = channel->find_user(target);
|
||
if (!user)
|
||
{
|
||
log_warning("Trying to set mode for non-existing user '" << target
|
||
<< "' in channel" << iid.get_local());
|
||
return;
|
||
}
|
||
if (add)
|
||
user->add_mode(c);
|
||
else
|
||
user->remove_mode(c);
|
||
modified_users.insert(user);
|
||
}
|
||
}
|
||
}
|
||
for (const IrcUser* u: modified_users)
|
||
{
|
||
char most_significant_mode = u->get_most_significant_mode(this->sorted_user_modes);
|
||
this->bridge->send_affiliation_role_change(iid, u->nick, most_significant_mode);
|
||
}
|
||
}
|
||
|
||
void IrcClient::on_user_mode(const IrcMessage& message)
|
||
{
|
||
this->bridge->send_xmpp_message(this->hostname, "",
|
||
"User mode for "s + message.arguments[0] +
|
||
" is [" + message.arguments[1] + "]");
|
||
}
|
||
|
||
size_t IrcClient::number_of_joined_channels() const
|
||
{
|
||
if (this->dummy_channel.joined)
|
||
return this->channels.size() + 1;
|
||
else
|
||
return this->channels.size();
|
||
}
|
||
|
||
DummyIrcChannel& IrcClient::get_dummy_channel()
|
||
{
|
||
return this->dummy_channel;
|
||
}
|
||
|
||
void IrcClient::leave_dummy_channel(const std::string& exit_message)
|
||
{
|
||
if (!this->dummy_channel.joined)
|
||
return;
|
||
this->dummy_channel.joined = false;
|
||
this->dummy_channel.joining = false;
|
||
this->dummy_channel.remove_all_users();
|
||
this->bridge->send_muc_leave(Iid("%"s + this->hostname), std::string(this->current_nick), exit_message, true);
|
||
}
|