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pbot/PBot/IRCHandlers.pm

346 lines
15 KiB
Perl

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