mirror of https://github.com/pragma-/pbot.git
108 lines
4.0 KiB
Perl
108 lines
4.0 KiB
Perl
# File: SASL.pm
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#
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# Purpose: Handles IRCv3 SASL events. Currently only PLAIN is supported.
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# SPDX-FileCopyrightText: 2021-2023 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Core::Handlers::SASL;
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use PBot::Imports;
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use parent 'PBot::Core::Class';
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use POSIX qw/EXIT_FAILURE/;
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use Encode;
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use MIME::Base64;
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sub initialize($self, %conf) {
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$self->{pbot}->{event_dispatcher}->register_handler('irc.authenticate', sub { $self->on_sasl_authenticate (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.rpl_loggedin', sub { $self->on_rpl_loggedin (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.rpl_loggedout', sub { $self->on_rpl_loggedout (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.err_nicklocked', sub { $self->on_err_nicklocked (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.rpl_saslsuccess', sub { $self->on_rpl_saslsuccess (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.err_saslfail', sub { $self->on_err_saslfail (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.err_sasltoolong', sub { $self->on_err_sasltoolong (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.err_saslaborted', sub { $self->on_err_saslaborted (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.err_saslalready', sub { $self->on_err_saslalready (@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.rpl_saslmechs', sub { $self->on_rpl_saslmechs (@_) });
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}
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sub on_sasl_authenticate($self, $event_type, $event) {
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my $nick = $self->{pbot}->{registry}->get_value('irc', 'identify_nick'); # try identify_nick
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$nick //= $self->{pbot}->{registry}->get_value('irc', 'botnick'); # fallback to botnick
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my $password = $self->{pbot}->{registry}->get_value('irc', 'identify_password');
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if (not defined $password or not length $password) {
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$self->{pbot}->{logger}->log("Error: Registry entry irc.identify_password is not set.\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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$password = encode('UTF-8', "$nick\0$nick\0$password");
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$password = encode_base64($password, '');
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my @chunks = unpack('(A400)*', $password);
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foreach my $chunk (@chunks) {
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$event->{conn}->sl("AUTHENTICATE $chunk");
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}
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# must send final AUTHENTICATE + if last chunk was exactly 400 bytes
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if (length $chunks[$#chunks] == 400) {
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$event->{conn}->sl("AUTHENTICATE +");
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}
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return 1;
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}
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sub on_rpl_loggedin($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[3] . "\n");
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$self->{pbot}->{hostmask} = $event->{args}[1];
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$self->{pbot}->{logger}->log("Set hostmask to $event->{args}[1]\n");
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return 1;
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}
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sub on_rpl_loggedout($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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return 1;
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}
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sub on_err_nicklocked($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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sub on_rpl_saslsuccess($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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$event->{conn}->sl("CAP END");
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return 1;
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}
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sub on_err_saslfail($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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sub on_err_sasltoolong($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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sub on_err_saslaborted($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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sub on_err_saslalready($self, $event_type, $event) {
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$self->{pbot}->{logger}->log($event->{args}[1] . "\n");
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return 1;
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}
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sub on_rpl_saslmechs($self, $event_type, $event) {
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$self->{pbot}->{logger}->log("SASL mechanism not available.\n");
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$self->{pbot}->{logger}->log("Available mechanisms are: $event->{args}[1]\n");
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$self->{pbot}->exit(EXIT_FAILURE);
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}
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1;
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