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mirror of https://github.com/pragma-/pbot.git synced 2024-12-25 04:02:37 +01:00
pbot/PBot/IRCHandlers.pm
Pragmatic Software 7243832cc3 Improve connecting/nicking logic
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.
2015-01-10 15:56:43 -08:00

339 lines
14 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.nicknameinuse', sub { $self->on_nicknameinuse(@_) });
}
sub default_handler {
my ($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;
$self->{pbot}->{logger}->log("Identifying with NickServ . . .\n");
$event->{conn}->privmsg("nickserv", "identify " . $self->{pbot}->{registry}->get_value('irc', 'botnick') . ' ' . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
return 0;
}
sub on_disconnect {
my ($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($nick eq 'NickServ') {
if($text =~ m/This nickname is registered/) {
$self->{pbot}->{logger}->log("Identifying with NickServ . . .\n");
$event->{conn}->privmsg("nickserv", "identify " . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
} elsif($text =~ m/You are now identified/) {
$event->{conn}->nick($self->{pbot}->{registry}->get_value('irc', 'botnick'));
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);
}
}
$self->{pbot}->{joined_channels} = 1;
} elsif($text =~ m/has been ghosted/) {
$event->{conn}->nick($self->{pbot}->{registry}->get_value('irc', 'botnick'));
}
}
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'),
$self->{pbot}->{messagehistory}->{MSG_NICKCHANGE});
return 0;
}
sub on_nicknameinuse {
my ($self, $event_type, $event) = @_;
my ($unused, $nick, $msg) = $event->{event}->args;
my $from = $event->{event}->from;
$self->{pbot}->{logger}->log("Received nicknameinuse for nick $nick from $from: $msg\n");
$event->{conn}->privmsg("nickserv", "ghost $nick " . $self->{pbot}->{registry}->get_value('irc', 'identify_password'));
return 0;
}
1;