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pbot/PBot/PBot.pm
Pragmatic Software fa9bb06606 Rename BotAdmin* to Admin*
2020-01-20 15:25:26 -08:00

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# File: PBot.pm
# Author: pragma_
#
# Purpose: IRC Bot (3rd generation)
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package PBot::PBot;
use strict;
use warnings;
use feature 'unicode_strings';
# unbuffer stdout
STDOUT->autoflush(1);
use Carp ();
use PBot::Logger;
use PBot::VERSION;
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::AntiSpam;
use PBot::Interpreter;
use PBot::Commands;
use PBot::ChanOps;
use PBot::Factoids;
use PBot::Admins;
use PBot::IgnoreList;
use PBot::BlackList;
use PBot::Timer;
use PBot::Refresher;
use PBot::Plugins;
use PBot::WebPaste;
use PBot::Utils::ParseDate;
use PBot::FuncCommand;
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->{atexit} = PBot::Registerable->new(%conf);
$self->register_signal_handlers;
$self->initialize(%conf);
return $self;
}
sub initialize {
my ($self, %conf) = @_;
$self->{startup_timestamp} = time;
my $data_dir = $conf{data_dir};
my $module_dir = $conf{module_dir};
my $plugin_dir = $conf{plugin_dir};
# check command-line arguments for directory overrides
foreach my $arg (@ARGV) {
if ($arg =~ m/^-?(?:general\.)?((?:data|module|plugin)_dir)=(.*)$/) {
my $override = $1;
my $value = $2;
$data_dir = $value if $override eq 'data_dir';
$module_dir = $value if $override eq 'module_dir';
$plugin_dir = $value if $override eq 'plugin_dir';
}
}
# logger created first to allow other modules to log things
$self->{logger} = PBot::Logger->new(pbot => $self, filename => "$data_dir/log/log", %conf);
# make sure the environment is sane
if (not -d $data_dir) {
$self->{logger}->log("Data directory ($data_dir) does not exist; aborting...\n");
exit;
}
if (not -d $module_dir) {
$self->{logger}->log("Modules directory ($module_dir) does not exist; aborting...\n");
exit;
}
if (not -d $plugin_dir) {
$self->{logger}->log("Plugins directory ($plugin_dir) does not exist; aborting...\n");
exit;
}
# then commands so the modules can register new commands
$self->{commands} = PBot::Commands->new(pbot => $self, filename => "$data_dir/commands", %conf);
# the version
$self->{version} = PBot::VERSION->new(pbot => $self, %conf);
$self->{logger}->log($self->{version}->version . "\n");
$self->{logger}->log("Args: @ARGV\n") if @ARGV;
# log the configured paths
$self->{logger}->log("data_dir: $data_dir\n");
$self->{logger}->log("module_dir: $module_dir\n");
$self->{logger}->log("plugin_dir: $plugin_dir\n");
$self->{timer} = PBot::Timer->new(timeout => 10, %conf);
$self->{func_cmd} = PBot::FuncCommand->new(pbot => $self, %conf);
$self->{refresher} = PBot::Refresher->new(pbot => $self);
# create registry and set some defaults
$self->{registry} = PBot::Registry->new(pbot => $self, filename => "$data_dir/registry", %conf);
$self->{registry}->add_default('text', 'general', 'data_dir', $data_dir);
$self->{registry}->add_default('text', 'general', 'module_dir', $module_dir);
$self->{registry}->add_default('text', 'general', 'plugin_dir', $plugin_dir);
$self->{registry}->add_default('text', 'general', 'trigger', $conf{trigger} // '!');
$self->{registry}->add_default('text', 'irc', 'debug', $conf{irc_debug} // 0);
$self->{registry}->add_default('text', 'irc', 'show_motd', $conf{show_motd} // 1);
$self->{registry}->add_default('text', 'irc', 'max_msg_len', $conf{max_msg_len} // 425);
$self->{registry}->add_default('text', 'irc', 'server', $conf{server} // "irc.freenode.net");
$self->{registry}->add_default('text', 'irc', 'port', $conf{port} // 6667);
$self->{registry}->add_default('text', 'irc', 'SSL', $conf{SSL} // 0);
$self->{registry}->add_default('text', 'irc', 'SSL_ca_file', $conf{SSL_ca_file} // 'none');
$self->{registry}->add_default('text', 'irc', 'SSL_ca_path', $conf{SSL_ca_path} // 'none');
$self->{registry}->add_default('text', 'irc', 'botnick', $conf{botnick} // "");
$self->{registry}->add_default('text', 'irc', 'username', $conf{username} // "pbot3");
$self->{registry}->add_default('text', 'irc', 'realname', $conf{realname} // "https://github.com/pragma-/pbot");
$self->{registry}->add_default('text', 'irc', 'identify_password', $conf{identify_password} // '');
$self->{registry}->add_default('text', 'irc', 'log_default_handler', 1);
$self->{registry}->set_default('irc', 'SSL_ca_file', 'private', 1);
$self->{registry}->set_default('irc', 'SSL_ca_path', 'private', 1);
$self->{registry}->set_default('irc', 'identify_password', 'private', 1);
# load existing registry entries from file (if exists) to overwrite defaults
if (-e $self->{registry}->{registry}->{filename}) {
$self->{registry}->load;
}
# update important paths
$self->{registry}->set('general', 'data_dir', 'value', $data_dir, 0, 1);
$self->{registry}->set('general', 'module_dir', 'value', $module_dir, 0, 1);
$self->{registry}->set('general', 'plugin_dir', 'value', $plugin_dir, 0, 1);
# override registry entries with command-line arguments, if any
foreach my $arg (@ARGV) {
next if $arg =~ m/^-?(?:general\.)?(?:config|data|module|plugin)_dir=.*$/; # already processed
my ($item, $value) = split /=/, $arg, 2;
if (not defined $item or not defined $value) {
$self->{logger}->log("Fatal error: unknown argument `$arg`; arguments must be in the form of `section.key=value` (e.g.: irc.botnick=newnick)\n");
exit;
}
my ($section, $key) = split /\./, $item, 2;
if (not defined $section or not defined $key) {
$self->{logger}->log("Fatal error: bad argument `$arg`; registry entries must be in the form of section.key (e.g.: irc.botnick)\n");
}
$section =~ s/^-//; # remove a leading - to allow arguments like -irc.botnick due to habitual use of -args
$self->{logger}->log("Overriding $section.$key to $value\n");
$self->{registry}->set($section, $key, 'value', $value, 0, 1);
}
# registry triggers fire when value changes
$self->{registry}->add_trigger('irc', 'botnick', sub { $self->change_botnick_trigger(@_) });
$self->{registry}->add_trigger('irc', 'debug', sub { $self->irc_debug_trigger(@_) });
# ensure user has attempted to configure the bot
if (not length $self->{registry}->get_value('irc', 'botnick')) {
$self->{logger}->log("Fatal error: IRC nickname not defined; please set registry key irc.botnick in $data_dir/registry to continue.\n");
exit;
}
$self->{event_dispatcher} = PBot::EventDispatcher->new(pbot => $self, %conf);
$self->{irchandlers} = PBot::IRCHandlers->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::Admins->new(pbot => $self, filename => "$data_dir/admins", %conf);
$self->{bantracker} = PBot::BanTracker->new(pbot => $self, %conf);
$self->{lagchecker} = PBot::LagChecker->new(pbot => $self, %conf);
$self->{messagehistory} = PBot::MessageHistory->new(pbot => $self, filename => "$data_dir/message_history.sqlite3", %conf);
$self->{antiflood} = PBot::AntiFlood->new(pbot => $self, %conf);
$self->{antispam} = PBot::AntiSpam->new(pbot => $self, %conf);
$self->{ignorelist} = PBot::IgnoreList->new(pbot => $self, filename => "$data_dir/ignorelist", %conf);
$self->{blacklist} = PBot::BlackList->new(pbot => $self, filename => "$data_dir/blacklist", %conf);
$self->{irc} = PBot::IRC->new();
$self->{channels} = PBot::Channels->new(pbot => $self, filename => "$data_dir/channels", %conf);
$self->{chanops} = PBot::ChanOps->new(pbot => $self, %conf);
$self->{nicklist} = PBot::NickList->new(pbot => $self, %conf);
$self->{webpaste} = PBot::WebPaste->new(pbot => $self, %conf);
$self->{parsedate} = PBot::Utils::ParseDate->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 => $self, filename => "$data_dir/factoids", %conf);
$self->{plugins} = PBot::Plugins->new(pbot => $self, %conf);
# load available plugins
$self->{plugins}->autoload(%conf);
# create implicit bot-admin account for bot
my $botnick = $self->{registry}->get_value('irc', 'botnick');
$self->{admins}->add_admin($botnick, '.*', "*!stdin\@pbot", 100, 'notused', 1);
$self->{admins}->login($botnick, "$botnick!stdin\@pbot", 'notused');
# start timer
$self->{timer}->start();
}
sub random_nick {
my @chars = ("A".."Z", "a".."z", "0".."9");
my $nick = $chars[rand @chars - 10]; # nicks cannot start with a digit
$nick .= $chars[rand @chars] for 1..9;
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', 'server') if not defined $server;
$self->{logger}->log("Connecting to $server ...\n");
while (not $self->{conn} = $self->{irc}->newconn(
Nick => $self->{registry}->get_value('irc', 'randomize_nick') ? random_nick : $self->{registry}->get_value('irc', 'botnick'),
Username => $self->{registry}->get_value('irc', 'username'),
Ircname => $self->{registry}->get_value('irc', 'realname'),
Server => $server,
Pacing => 1,
UTF8 => 1,
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 $server:" . $self->{registry}->get_value('irc', 'port') . ". 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(['whoisserver',
'whoiscountry',
'whoischannels',
'whoisidle',
'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;
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