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7243832cc3
Randomize nick when connecting and change to botnick after identifying. Identify after receiving connection welcome message. Ghost existing nick if it is already in use and then attempt to regain it.
339 lines
14 KiB
Perl
339 lines
14 KiB
Perl
# File: IRCHandlers.pm
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# Author: pragma_
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#
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# Purpose: Subroutines to handle IRC events
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package PBot::IRCHandlers;
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use warnings;
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use strict;
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use Carp();
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use Time::HiRes qw(gettimeofday);
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use Data::Dumper;
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot} = delete $conf{pbot};
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Carp::croak("Missing pbot parameter to " . __FILE__) if not defined $self->{pbot};
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$self->{pbot}->{event_dispatcher}->register_handler('irc.welcome', sub { $self->on_connect(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.disconnect', sub { $self->on_disconnect(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.motd', sub { $self->on_motd(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.notice', sub { $self->on_notice(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.public', sub { $self->on_public(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.caction', sub { $self->on_action(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.msg', sub { $self->on_msg(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.mode', sub { $self->on_mode(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.part', sub { $self->on_departure(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.join', sub { $self->on_join(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.kick', sub { $self->on_kick(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.quit', sub { $self->on_departure(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.nick', sub { $self->on_nickchange(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.nicknameinuse', sub { $self->on_nicknameinuse(@_) });
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}
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sub default_handler {
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my ($self, $conn, $event) = @_;
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if(not defined $self->{pbot}->{event_dispatcher}->dispatch_event("irc.$event->{type}", { conn => $conn, event => $event })) {
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if ($self->{pbot}->{registry}->get_value('irc', 'log_default_handler')) {
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my $dump = Dumper $event;
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$self->{pbot}->{logger}->log($dump);
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}
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}
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}
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sub on_init {
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my ($self, $conn, $event) = @_;
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my (@args) = ($event->args);
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shift (@args);
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$self->{pbot}->{logger}->log("*** @args\n");
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}
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sub on_connect {
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my ($self, $event_type, $event) = @_;
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$self->{pbot}->{logger}->log("Connected!\n");
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$event->{conn}->{connected} = 1;
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$self->{pbot}->{logger}->log("Identifying with NickServ . . .\n");
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$event->{conn}->privmsg("nickserv", "identify " . $self->{pbot}->{registry}->get_value('irc', 'botnick') . ' ' . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
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return 0;
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}
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sub on_disconnect {
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my ($self, $event_type, $event) = @_;
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$self->{pbot}->{logger}->log("Disconnected...\n");
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$self->{pbot}->{connected} = 0;
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return 0;
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}
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sub on_motd {
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my ($self, $event_type, $event) = @_;
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if ($self->{pbot}->{registry}->get_value('irc', 'show_motd')) {
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my $server = $event->{event}->{from};
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my $msg = $event->{event}->{args}[1];
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$self->{pbot}->{logger}->log("MOTD from $server :: $msg\n");
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}
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return 0;
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}
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sub on_public {
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my ($self, $event_type, $event) = @_;
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my $from = $event->{event}->{to}[0];
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my $nick = $event->{event}->nick;
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my $user = $event->{event}->user;
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my $host = $event->{event}->host;
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my $text = $event->{event}->{args}[0];
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$self->{pbot}->{interpreter}->process_line($from, $nick, $user, $host, $text);
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return 0;
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}
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sub on_msg {
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my ($self, $event_type, $event) = @_;
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my ($nick, $host) = ($event->{event}->nick, $event->{event}->host);
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my $text = $event->{event}->{args}[0];
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my $bot_trigger = $self->{pbot}->{registry}->get_value('general', 'trigger');
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$text =~ s/^\Q$bot_trigger\E?(.*)/$bot_trigger$1/;
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$event->{event}->{to}[0] = $nick;
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$event->{event}->{args}[0] = $text;
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$self->on_public($event_type, $event);
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return 0;
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}
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sub on_notice {
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my ($self, $event_type, $event) = @_;
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my ($nick, $host) = ($event->{event}->nick, $event->{event}->host);
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my $text = $event->{event}->{args}[0];
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$self->{pbot}->{logger}->log("Received NOTICE from $nick $host '$text'\n");
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if($nick eq 'NickServ') {
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if($text =~ m/This nickname is registered/) {
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$self->{pbot}->{logger}->log("Identifying with NickServ . . .\n");
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$event->{conn}->privmsg("nickserv", "identify " . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
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} elsif($text =~ m/You are now identified/) {
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$event->{conn}->nick($self->{pbot}->{registry}->get_value('irc', 'botnick'));
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foreach my $chan (keys %{ $self->{pbot}->{channels}->{channels}->hash }) {
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if($self->{pbot}->{channels}->{channels}->hash->{$chan}{enabled}) {
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$self->{pbot}->{logger}->log("Joining channel: $chan\n");
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$self->{pbot}->{chanops}->join_channel($chan);
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}
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}
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$self->{pbot}->{joined_channels} = 1;
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} elsif($text =~ m/has been ghosted/) {
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$event->{conn}->nick($self->{pbot}->{registry}->get_value('irc', 'botnick'));
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}
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}
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return 0;
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}
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sub on_action {
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my ($self, $event_type, $event) = @_;
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$event->{event}->{args}[0] = "/me " . $event->{event}->{args}[0];
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$self->on_public($event_type, $event);
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return 0;
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}
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sub on_mode {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host);
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my $mode_string = $event->{event}->{args}[0];
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my $channel = $event->{event}->{to}[0];
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$channel = lc $channel;
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my ($mode, $modifier);
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my $i = 0;
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my $target;
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while($mode_string =~ m/(.)/g) {
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my $char = $1;
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if($char eq '-' or $char eq '+') {
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$modifier = $char;
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next;
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}
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$mode = $modifier . $char;
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$target = $event->{event}->{args}[++$i];
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$self->{pbot}->{logger}->log("Got mode: source: $nick!$user\@$host, mode: $mode, target: " . (defined $target ? $target : "(undef)") . ", channel: $channel\n");
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if($mode eq "-b" or $mode eq "+b" or $mode eq "-q" or $mode eq "+q") {
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$self->{pbot}->{bantracker}->track_mode("$nick!$user\@$host", $mode, $target, $channel);
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}
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if(defined $target && $target eq $self->{pbot}->{registry}->get_value('irc', 'botnick')) { # bot targeted
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if($mode eq "+o") {
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$self->{pbot}->{logger}->log("$nick opped me in $channel\n");
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$self->{pbot}->{chanops}->{is_opped}->{$channel}{timeout} = gettimeofday + $self->{pbot}->{registry}->get_value('general', 'deop_timeout');;
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delete $self->{pbot}->{chanops}->{op_requested}->{$channel};
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$self->{pbot}->{chanops}->perform_op_commands($channel);
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}
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elsif($mode eq "-o") {
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$self->{pbot}->{logger}->log("$nick removed my ops in $channel\n");
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delete $self->{pbot}->{chanops}->{is_opped}->{$channel};
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}
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elsif($mode eq "+b") {
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$self->{pbot}->{logger}->log("Got banned in $channel, attempting unban.");
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$event->{conn}->privmsg("chanserv", "unban $channel");
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}
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}
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else { # bot not targeted
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if($mode eq "+b") {
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if($nick eq "ChanServ") {
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if (exists $self->{pbot}->{channels}->{channels}->hash->{$channel} and $self->{pbot}->{channels}->{channels}->hash->{$channel}{chanop}) {
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$self->{pbot}->{chanops}->{unban_timeout}->hash->{$channel}->{$target}{timeout} = gettimeofday + $self->{pbot}->{registry}->get_value('bantracker', 'chanserv_ban_timeout');
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$self->{pbot}->{chanops}->{unban_timeout}->save;
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}
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}
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}
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elsif($mode eq "+e" && $channel eq $self->{pbot}->{registry}->get_value('irc', 'botnick')) {
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foreach my $chan (keys %{ $self->{pbot}->{channels}->{channels}->hash }) {
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if($self->{channels}->{channels}->hash->{$chan}{enabled}) {
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$self->{pbot}->{logger}->log("Joining channel: $chan\n");
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$event->{conn}->join($chan);
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}
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}
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$self->{pbot}->{joined_channels} = 1;
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}
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}
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}
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return 0;
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}
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sub on_join {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to);
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my $message_account = $self->{pbot}->{messagehistory}->get_message_account($nick, $user, $host);
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$self->{pbot}->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $channel, "JOIN", $self->{pbot}->{messagehistory}->{MSG_JOIN});
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$self->{pbot}->{antiflood}->check_flood($channel, $nick, $user, $host, "JOIN",
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_threshold'),
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_time_threshold'),
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$self->{pbot}->{messagehistory}->{MSG_JOIN});
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return 0;
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}
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sub on_kick {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $target, $channel, $reason) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to, $event->{event}->{args}[0], $event->{event}->{args}[1]);
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$self->{pbot}->{logger}->log("$nick!$user\@$host kicked $target from $channel ($reason)\n");
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my ($message_account) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($target);
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my $hostmask;
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if(defined $message_account) {
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$hostmask = $self->{pbot}->{messagehistory}->{database}->find_most_recent_hostmask($message_account);
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my ($target_nick, $target_user, $target_host) = $hostmask =~ m/^([^!]+)!([^@]+)@(.*)/;
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my $text = "KICKED by $nick!$user\@$host ($reason)";
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$self->{pbot}->{messagehistory}->add_message($message_account, $hostmask, $channel, $text, $self->{pbot}->{messagehistory}->{MSG_DEPARTURE});
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$self->{pbot}->{antiflood}->check_flood($channel, $target_nick, $target_user, $target_host, $text,
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_threshold'),
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_time_threshold'),
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$self->{pbot}->{messagehistory}->{MSG_DEPARTURE});
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}
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$message_account = $self->{pbot}->{messagehistory}->{database}->get_message_account_id("$nick!$user\@$host");
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if(defined $message_account) {
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my $text = "KICKED " . (defined $hostmask ? $hostmask : $target) . " from $channel ($reason)";
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$self->{pbot}->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $channel, $text, $self->{pbot}->{messagehistory}->{MSG_CHAT});
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}
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return 0;
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}
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sub on_departure {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $channel, $args) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to, $event->{event}->args);
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my $text = uc $event->{event}->type;
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$text .= " $args";
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my $message_account = $self->{pbot}->{messagehistory}->get_message_account($nick, $user, $host);
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if($text =~ m/^QUIT/) {
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# QUIT messages must be dispatched to each channel the user is on
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my @channels = $self->{pbot}->{messagehistory}->{database}->get_channels($message_account);
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foreach my $chan (@channels) {
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next if $chan !~ m/^#/;
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$self->{pbot}->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $chan, $text, $self->{pbot}->{messagehistory}->{MSG_DEPARTURE});
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}
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} else {
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$self->{pbot}->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $channel, $text, $self->{pbot}->{messagehistory}->{MSG_DEPARTURE});
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}
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$self->{pbot}->{antiflood}->check_flood($channel, $nick, $user, $host, $text,
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_threshold'),
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$self->{pbot}->{registry}->get_value('antiflood', 'join_flood_time_threshold'),
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$self->{pbot}->{messagehistory}->{MSG_DEPARTURE});
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my $admin = $self->{pbot}->{admins}->find_admin($channel, "$nick!$user\@$host");
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if(defined $admin and $admin->{loggedin}) {
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$self->{pbot}->{logger}->log("Whoops, $nick left while still logged in.\n");
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$self->{pbot}->{logger}->log("Logged out $nick.\n");
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delete $admin->{loggedin};
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}
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return 0;
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}
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sub on_nickchange {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $newnick) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->args);
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$self->{pbot}->{logger}->log("$nick!$user\@$host changed nick to $newnick\n");
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my $message_account = $self->{pbot}->{messagehistory}->{database}->get_message_account($nick, $user, $host);
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$self->{pbot}->{messagehistory}->{database}->devalidate_all_channels($message_account, $self->{pbot}->{antiflood}->{NEEDS_CHECKBAN});
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my @channels = $self->{pbot}->{messagehistory}->{database}->get_channels($message_account);
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foreach my $channel (@channels) {
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next if $channel !~ m/^#/;
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$self->{pbot}->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $channel, "NICKCHANGE $newnick", $self->{pbot}->{messagehistory}->{MSG_NICKCHANGE});
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}
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my $newnick_account = $self->{pbot}->{messagehistory}->{database}->get_message_account($newnick, $user, $host);
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$self->{pbot}->{messagehistory}->{database}->devalidate_all_channels($newnick_account, $self->{pbot}->{antiflood}->{NEEDS_CHECKBAN});
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$self->{pbot}->{messagehistory}->{database}->update_hostmask_data($newnick_account, { last_seen => scalar gettimeofday });
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$self->{pbot}->{antiflood}->check_flood("$nick!$user\@$host", $nick, $user, $host, "NICKCHANGE $newnick",
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$self->{pbot}->{registry}->get_value('antiflood', 'nick_flood_threshold'),
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$self->{pbot}->{registry}->get_value('antiflood', 'nick_flood_time_threshold'),
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$self->{pbot}->{messagehistory}->{MSG_NICKCHANGE});
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return 0;
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}
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sub on_nicknameinuse {
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my ($self, $event_type, $event) = @_;
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my ($unused, $nick, $msg) = $event->{event}->args;
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my $from = $event->{event}->from;
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$self->{pbot}->{logger}->log("Received nicknameinuse for nick $nick from $from: $msg\n");
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$event->{conn}->privmsg("nickserv", "ghost $nick " . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
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return 0;
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}
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1;
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