147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
#include "registration.hpp"
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#include "connection.hpp"
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#include "ircmsg.hpp"
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#include "sasl_mechanism.hpp"
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#include <memory>
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#include <random>
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#include <unordered_map>
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Registration::Registration(
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const Settings &settings,
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std::shared_ptr<Client> client
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)
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: settings_{settings}
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, client_{std::move(client)}
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{
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}
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auto Registration::on_connect() -> void
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{
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client_->list_caps();
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caps_slot_ = client_->sig_cap_ls.connect([self = shared_from_this()](auto &caps) {
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self->on_cap_list(caps);
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});
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slot_ = client_->get_connection().sig_ircmsg.connect(
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[self = shared_from_this()](const auto cmd, auto &msg)
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{
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self->on_ircmsg(cmd, msg);
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}
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);
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if (not settings_.password.empty())
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{
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client_->get_connection().send_pass(settings_.password);
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}
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client_->get_connection().send_user(settings_.username, settings_.realname);
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client_->get_connection().send_nick(settings_.nickname);
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}
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auto Registration::on_cap_list(const std::unordered_map<std::string, std::string> &caps) -> void
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{
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std::string request;
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static const char * const want [] {
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"account-notify",
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"account-tag",
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"batch",
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"chghost",
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"draft/chathistory",
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"extended-join",
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"invite-notify",
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"server-time",
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"setname",
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"soju.im/no-implicit-names",
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"solanum.chat/identify-msg",
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"solanum.chat/oper",
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"solanum.chat/realhost",
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};
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for (const auto cap : want)
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{
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if (caps.contains(cap))
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{
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request.append(cap);
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request.push_back(' ');
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}
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}
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bool do_sasl = not settings_.sasl_mechanism.empty() && caps.contains("sasl");
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if (do_sasl) {
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request.append("sasl ");
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}
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if (not request.empty())
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{
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request.pop_back(); // trailing space
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client_->get_connection().send_cap_req(request);
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}
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if (do_sasl) {
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client_->start_sasl(
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std::make_unique<SaslPlain>(
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settings_.sasl_authcid,
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settings_.sasl_authzid,
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settings_.sasl_password));
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} else {
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client_->get_connection().send_cap_end();
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}
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}
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auto Registration::start(
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const Settings &settings,
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std::shared_ptr<Client> client
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) -> std::shared_ptr<Registration>
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{
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const auto thread = std::make_shared<Registration>(std::move(settings), std::move(client));
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thread->slot_ = thread->client_->get_connection().sig_connect.connect([thread]() {
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thread->slot_.disconnect();
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thread->on_connect();
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});
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return thread;
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}
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auto Registration::randomize_nick() -> void
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{
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std::string new_nick;
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new_nick += settings_.nickname.substr(0, 8);
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std::random_device rd;
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std::mt19937 gen{rd()};
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std::uniform_int_distribution<> distrib(0, 35);
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for (int i = 0; i < 8; ++i) {
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const auto x = distrib(gen);
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new_nick += x < 10 ? '0' + x : 'A' + (x-10);
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}
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client_->get_connection().send_nick(new_nick);
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}
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auto Registration::on_ircmsg(const IrcCommand cmd, const IrcMsg &msg) -> void
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{
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switch (cmd)
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{
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default: break;
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case IrcCommand::ERR_NICKNAMEINUSE:
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case IrcCommand::ERR_ERRONEUSNICKNAME:
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case IrcCommand::ERR_UNAVAILRESOURCE:
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randomize_nick();
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break;
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case IrcCommand::RPL_WELCOME:
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slot_.disconnect();
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caps_slot_.disconnect();
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break;
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case IrcCommand::RPL_SASLSUCCESS:
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case IrcCommand::ERR_SASLFAIL:
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client_->get_connection().send_cap_end();
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break;
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}
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}
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