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pbot/PBot/PBot.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

242 lines
9.0 KiB
Perl

# File: PBot.pm
# Author: pragma_
#
# Purpose: IRC Bot (3rd generation)
# $Id$
package PBot::PBot;
use strict;
use warnings;
use PBot::VERSION;
BEGIN {
use Exporter;
our @ISA = 'Exporter';
our @EXPORT = qw($VERSION);
our $VERSION = PBot::VERSION::BUILD_NAME . " revision " . PBot::VERSION::BUILD_REVISION . " " . PBot::VERSION::BUILD_DATE;
print "$VERSION\n";
}
# unbuffer stdout
STDOUT->autoflush(1);
use Carp ();
use PBot::Logger;
use PBot::Registry;
use PBot::SelectHandler;
use PBot::StdinReader;
use PBot::IRC;
use PBot::EventDispatcher;
use PBot::IRCHandlers;
use PBot::Channels;
use PBot::BanTracker;
use PBot::NickList;
use PBot::LagChecker;
use PBot::MessageHistory;
use PBot::AntiFlood;
use PBot::Interpreter;
use PBot::Commands;
use PBot::ChanOps;
use PBot::Factoids;
use PBot::BotAdmins;
use PBot::IgnoreList;
use PBot::Quotegrabs;
use PBot::Timer;
use PBot::AntiAway;
use PBot::AntiKickAutoRejoin;
sub new {
if(ref($_[1]) eq 'HASH') {
Carp::croak("Options to PBot should be key/value pairs, not hash reference");
}
my ($class, %conf) = @_;
my $self = bless {}, $class;
$self->initialize(%conf);
$self->register_signal_handlers;
return $self;
}
sub initialize {
my ($self, %conf) = @_;
# logger created first to allow other modules to log things
$self->{logger} = PBot::Logger->new(log_file => delete $conf{log_file}, %conf);
$self->{atexit} = PBot::Registerable->new(%conf);
$self->{timer} = PBot::Timer->new(timeout => 10, %conf);
$self->{commands} = PBot::Commands->new(pbot => $self, %conf);
my $config_dir = delete $conf{config_dir} // "$ENV{HOME}/pbot/config";
# registry created, but not yet loaded, to allow modules to create default values and triggers
$self->{registry} = PBot::Registry->new(pbot => $self, filename => delete $conf{registry_file} // "$config_dir/registry", %conf);
$self->{registry}->add_default('text', 'general', 'config_dir', $config_dir);
$self->{registry}->add_default('text', 'general', 'data_dir', delete $conf{data_dir} // "$ENV{HOME}/pbot/data");
$self->{registry}->add_default('text', 'general', 'module_dir', delete $conf{module_dir} // "$ENV{HOME}/pbot/modules");
$self->{registry}->add_default('text', 'general', 'trigger', delete $conf{trigger} // '!');
$self->{registry}->add_default('text', 'irc', 'debug', delete $conf{irc_debug} // 0);
$self->{registry}->add_default('text', 'irc', 'show_motd', delete $conf{show_motd} // 1);
$self->{registry}->add_default('text', 'irc', 'max_msg_len', delete $conf{max_msg_len} // 425);
$self->{registry}->add_default('text', 'irc', 'ircserver', delete $conf{ircserver} // "irc.freenode.net");
$self->{registry}->add_default('text', 'irc', 'port', delete $conf{port} // 6667);
$self->{registry}->add_default('text', 'irc', 'SSL', delete $conf{SSL} // 0);
$self->{registry}->add_default('text', 'irc', 'SSL_ca_file', delete $conf{SSL_ca_file} // 'none');
$self->{registry}->add_default('text', 'irc', 'SSL_ca_path', delete $conf{SSL_ca_path} // 'none');
$self->{registry}->add_default('text', 'irc', 'botnick', delete $conf{botnick} // "pbot3");
$self->{registry}->add_default('text', 'irc', 'username', delete $conf{username} // "pbot3");
$self->{registry}->add_default('text', 'irc', 'ircname', delete $conf{ircname} // "http://code.google.com/p/pbot2-pl/");
$self->{registry}->add_default('text', 'irc', 'identify_password', delete $conf{identify_password} // 'none');
$self->{registry}->add_default('text', 'irc', 'log_default_handler', 1);
$self->{registry}->set('irc', 'SSL_ca_file', 'private', 1);
$self->{registry}->set('irc', 'SSL_ca_path', 'private', 1);
$self->{registry}->set('irc', 'identify_password', 'private', 1);
$self->{registry}->add_trigger('irc', 'botnick', sub { $self->change_botnick_trigger(@_) });
$self->{registry}->add_trigger('irc', 'debug', sub { $self->irc_debug_trigger(@_) });
$self->{event_dispatcher} = PBot::EventDispatcher->new(pbot => $self, %conf);
$self->{select_handler} = PBot::SelectHandler->new(pbot => $self, %conf);
$self->{stdin_reader} = PBot::StdinReader->new(pbot => $self, %conf);
$self->{admins} = PBot::BotAdmins->new(pbot => $self, filename => delete $conf{admins_file}, %conf);
$self->{bantracker} = PBot::BanTracker->new(pbot => $self, %conf);
$self->{nicklist} = PBot::NickList->new(pbot => $self, %conf);
$self->{lagchecker} = PBot::LagChecker->new(pbot => $self, %conf);
$self->{messagehistory} = PBot::MessageHistory->new(pbot => $self, filename => delete $conf{messagehistory_file}, %conf);
$self->{antiflood} = PBot::AntiFlood->new(pbot => $self, %conf);
$self->{ignorelist} = PBot::IgnoreList->new(pbot => $self, filename => delete $conf{ignorelist_file}, %conf);
$self->{irc} = PBot::IRC->new();
$self->{irchandlers} = PBot::IRCHandlers->new(pbot => $self, %conf);
$self->{channels} = PBot::Channels->new(pbot => $self, filename => delete $conf{channels_file}, %conf);
$self->{chanops} = PBot::ChanOps->new(pbot => $self, %conf);
$self->{antiaway} = PBot::AntiAway->new(pbot => $self, %conf);
$self->{antikickautorejoin} = PBot::AntiKickAutoRejoin->new(pbot => $self, %conf);
$self->{interpreter} = PBot::Interpreter->new(pbot => $self, %conf);
$self->{interpreter}->register(sub { return $self->{commands}->interpreter(@_); });
$self->{interpreter}->register(sub { return $self->{factoids}->interpreter(@_); });
$self->{factoids} = PBot::Factoids->new(
pbot => $self,
filename => delete $conf{factoids_file},
export_path => delete $conf{export_factoids_path},
export_site => delete $conf{export_factoids_site},
%conf
);
$self->{quotegrabs} = PBot::Quotegrabs->new(
pbot => $self,
filename => delete $conf{quotegrabs_file},
export_path => delete $conf{export_quotegrabs_path},
export_site => delete $conf{export_quotegrabs_site},
%conf
);
# load registry entries from file to overwrite defaults
$self->{registry}->load;
# create implicit bot-admin account for bot
my $botnick = $self->{registry}->get_value('irc', 'botnick');
$self->{admins}->add_admin($botnick, '.*', "$botnick!stdin\@localhost", 60, 'admin', 1);
$self->{admins}->login($botnick, "$botnick!stdin\@localhost", 'admin');
# start timer
$self->{timer}->start();
}
sub random_nick {
my @chars = ("A".."Z", "a".."z", "0".."9");
my $nick;
$nick .= $chars[rand @chars] for 1..10;
return $nick;
}
# TODO: add disconnect subroutine
sub connect {
my ($self, $server) = @_;
if($self->{connected}) {
# TODO: disconnect, clean-up, etc
}
$server = $self->{registry}->get_value('irc', 'ircserver') if not defined $server;
$self->{logger}->log("Connecting to $server ...\n");
while (not $self->{conn} = $self->{irc}->newconn(
Nick => random_nick,
Username => $self->{registry}->get_value('irc', 'username'),
Ircname => $self->{registry}->get_value('irc', 'ircname'),
Server => $server,
SSL => $self->{registry}->get_value('irc', 'SSL'),
SSL_ca_file => $self->{registry}->get_value('irc', 'SSL_ca_file'),
SSL_ca_path => $self->{registry}->get_value('irc', 'SSL_ca_path'),
Port => $self->{registry}->get_value('irc', 'port'))) {
$self->{logger}->log("$0: Can't connect to IRC server. Retrying in 15 seconds...\n");
sleep 15;
}
$self->{connected} = 1;
#set up handlers for the IRC engine
$self->{conn}->add_default_handler(sub { $self->{irchandlers}->default_handler(@_) }, 1);
$self->{conn}->add_handler([ 251,252,253,254,255,302 ], sub { $self->{irchandlers}->on_init(@_) });
# ignore these events
$self->{conn}->add_handler(['whoisuser',
'whoisserver',
'whoiscountry',
'whoischannels',
'whoisidle',
'endofwhois',
'motdstart',
'endofmotd',
'away',
'endofbanlist'], sub {});
}
#main loop
sub do_one_loop {
my $self = shift;
$self->{irc}->do_one_loop();
$self->{select_handler}->do_select();
}
sub start {
my $self = shift;
while(1) {
$self->connect() if not $self->{connected};
$self->do_one_loop() if $self->{connected};
}
}
sub register_signal_handlers {
my $self = shift;
$SIG{INT} = sub { $self->atexit; exit 0; };
}
sub atexit {
my $self = shift;
$self->{atexit}->execute_all;
}
sub irc_debug_trigger {
my ($self, $section, $item, $newvalue) = @_;
$self->{irc}->debug($newvalue);
$self->{conn}->debug($newvalue) if $self->{connected};
}
sub change_botnick_trigger {
my ($self, $section, $item, $newvalue) = @_;
$self->{conn}->nick($newvalue) if $self->{connected};
}
1;