mirror of
https://github.com/pragma-/pbot.git
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305 lines
11 KiB
Perl
305 lines
11 KiB
Perl
# File: PBot.pm
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# Author: pragma_
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#
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# Purpose: IRC Bot
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::PBot;
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use strict; use warnings;
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use feature 'unicode_strings';
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use utf8;
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# unbuffer stdout
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STDOUT->autoflush(1);
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use Carp ();
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use PBot::Logger;
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use PBot::VERSION;
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use PBot::AntiFlood;
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use PBot::AntiSpam;
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use PBot::BanList;
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use PBot::BlackList;
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use PBot::Capabilities;
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use PBot::Commands;
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use PBot::Channels;
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use PBot::ChanOps;
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use PBot::DualIndexHashObject;
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use PBot::DualIndexSQLiteObject;
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use PBot::EventDispatcher;
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use PBot::Factoids;
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use PBot::Functions;
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use PBot::HashObject;
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use PBot::IgnoreList;
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use PBot::Interpreter;
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use PBot::IRC;
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use PBot::IRCHandlers;
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use PBot::LagChecker;
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use PBot::MessageHistory;
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use PBot::Modules;
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use PBot::MiscCommands;
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use PBot::NickList;
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use PBot::Plugins;
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use PBot::ProcessManager;
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use PBot::Registry;
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use PBot::Refresher;
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use PBot::SelectHandler;
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use PBot::StdinReader;
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use PBot::Timer;
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use PBot::Updater;
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use PBot::Users;
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use PBot::Utils::ParseDate;
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use PBot::WebPaste;
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sub new {
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my ($proto, %conf) = @_;
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my $class = ref($proto) || $proto;
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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->{startup_timestamp} = time;
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# process command-line arguments for path and registry overrides
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foreach my $arg (@ARGV) {
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if ($arg =~ m/^-?(?:general\.)?((?:data|module|plugin|update)_dir)=(.*)$/) {
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# check command-line arguments for directory overrides
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my $override = $1;
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my $value = $2;
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$value =~ s/[\\\/]$//; # strip trailing directory separator
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$conf{data_dir} = $value if $override eq 'data_dir';
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$conf{module_dir} = $value if $override eq 'module_dir';
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$conf{plugin_dir} = $value if $override eq 'plugin_dir';
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$conf{update_dir} = $value if $override eq 'update_dir';
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} else {
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# check command-line arguments for registry overrides
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my ($item, $value) = split /=/, $arg, 2;
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if (not defined $item or not defined $value) {
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print STDERR "Fatal error: unknown argument `$arg`; arguments must be in the form of `section.key=value` (e.g.: irc.botnick=newnick)\n";
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exit;
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}
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my ($section, $key) = split /\./, $item, 2;
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if (not defined $section or not defined $key) {
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print STDERR "Fatal error: bad argument `$arg`; registry entries must be in the form of section.key (e.g.: irc.botnick)\n";
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exit;
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}
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$section =~ s/^-//; # remove a leading - to allow arguments like -irc.botnick due to habitual use of -args
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$self->{overrides}->{"$section.$key"} = $value;
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}
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}
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# make sure the paths exist
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foreach my $path (qw/data_dir module_dir plugin_dir update_dir/) {
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if (not -d $conf{$path}) {
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print STDERR "$path path ($conf{$path}) does not exist; aborting.\n";
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exit;
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}
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}
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# let modules register atexit subroutines
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$self->{atexit} = PBot::Registerable->new(pbot => $self, %conf);
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# register default signal handlers
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$self->register_signal_handlers;
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# prepare and open logger
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$self->{logger} = PBot::Logger->new(pbot => $self, filename => "$conf{data_dir}/log/log", %conf);
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# log command-line arguments
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$self->{logger}->log("Args: @ARGV\n") if @ARGV;
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# log configured paths
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$self->{logger}->log("module_dir: $conf{module_dir}\n");
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$self->{logger}->log("plugin_dir: $conf{plugin_dir}\n");
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$self->{logger}->log(" data_dir: $conf{data_dir}\n");
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$self->{logger}->log("update_dir: $conf{update_dir}\n");
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# prepare the updater
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$self->{updater} = PBot::Updater->new(pbot => $self, data_dir => $conf{data_dir}, update_dir => $conf{update_dir});
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# update any data files to new locations/formats
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# --- this must happen before any data files are opened! ---
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if ($self->{updater}->update) {
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$self->{logger}->log("Update failed.\n");
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exit 0;
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}
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# create capabilities so commands can add new capabilities
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$self->{capabilities} = PBot::Capabilities->new(pbot => $self, filename => "$conf{data_dir}/capabilities", %conf);
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# create commands so the modules can register new commands
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$self->{commands} = PBot::Commands->new(pbot => $self, filename => "$conf{data_dir}/commands", %conf);
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# add 'cap' capability command here since $self->{commands} is created after $self->{capabilities}
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$self->{commands}->register(sub { $self->{capabilities}->cmd_cap(@_) }, "cap");
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# prepare the version information and `version` command
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$self->{version} = PBot::VERSION->new(pbot => $self, %conf);
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$self->{logger}->log($self->{version}->version . "\n");
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# prepare registry
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$self->{registry} = PBot::Registry->new(pbot => $self, filename => "$conf{data_dir}/registry", %conf);
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# ensure user has attempted to configure the bot
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if (not length $self->{registry}->get_value('irc', 'botnick')) {
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$self->{logger}->log("Fatal error: IRC nickname not defined; please set registry key irc.botnick in $conf{data_dir}/registry to continue.\n");
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exit;
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}
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# prepare remaining core PBot modules -- do not change this order
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$self->{timer} = PBot::Timer->new(pbot => $self, timeout => 10, name => 'PBot Timer', %conf);
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$self->{event_dispatcher} = PBot::EventDispatcher->new(pbot => $self, %conf);
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$self->{users} = PBot::Users->new(pbot => $self, filename => "$conf{data_dir}/users", %conf);
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$self->{antiflood} = PBot::AntiFlood->new(pbot => $self, %conf);
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$self->{antispam} = PBot::AntiSpam->new(pbot => $self, %conf);
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$self->{banlist} = PBot::BanList->new(pbot => $self, %conf);
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$self->{blacklist} = PBot::BlackList->new(pbot => $self, filename => "$conf{data_dir}/blacklist", %conf);
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$self->{channels} = PBot::Channels->new(pbot => $self, filename => "$conf{data_dir}/channels", %conf);
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$self->{chanops} = PBot::ChanOps->new(pbot => $self, %conf);
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$self->{factoids} = PBot::Factoids->new(pbot => $self, filename => "$conf{data_dir}/factoids.sqlite3", %conf);
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$self->{functions} = PBot::Functions->new(pbot => $self, %conf);
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$self->{refresher} = PBot::Refresher->new(pbot => $self);
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$self->{ignorelist} = PBot::IgnoreList->new(pbot => $self, filename => "$conf{data_dir}/ignorelist", %conf);
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$self->{irc} = PBot::IRC->new();
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$self->{irchandlers} = PBot::IRCHandlers->new(pbot => $self, %conf);
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$self->{interpreter} = PBot::Interpreter->new(pbot => $self, %conf);
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$self->{lagchecker} = PBot::LagChecker->new(pbot => $self, %conf);
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$self->{misc_commands} = PBot::MiscCommands->new(pbot => $self, %conf);
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$self->{messagehistory} = PBot::MessageHistory->new(pbot => $self, filename => "$conf{data_dir}/message_history.sqlite3", %conf);
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$self->{modules} = PBot::Modules->new(pbot => $self, %conf);
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$self->{nicklist} = PBot::NickList->new(pbot => $self, %conf);
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$self->{parsedate} = PBot::Utils::ParseDate->new(pbot => $self, %conf);
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$self->{plugins} = PBot::Plugins->new(pbot => $self, %conf);
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$self->{process_manager} = PBot::ProcessManager->new(pbot => $self, %conf);
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$self->{select_handler} = PBot::SelectHandler->new(pbot => $self, %conf);
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$self->{stdin_reader} = PBot::StdinReader->new(pbot => $self, %conf);
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$self->{webpaste} = PBot::WebPaste->new(pbot => $self, %conf);
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# register command/factoid interpreters
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$self->{interpreter}->register(sub { $self->{commands}->interpreter(@_) });
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$self->{interpreter}->register(sub { $self->{factoids}->interpreter(@_) });
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# give botowner all capabilities
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# -- this must happen last after all modules have registered their capabilities --
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$self->{capabilities}->rebuild_botowner_capabilities;
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# flush all pending save events to disk at exit
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$self->{atexit}->register(sub {
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$self->{timer}->execute_and_dequeue_event('save *');
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return;
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}
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);
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}
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sub random_nick {
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my ($self, $length) = @_;
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$length //= 9;
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my @chars = ("A" .. "Z", "a" .. "z", "0" .. "9");
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my $nick = $chars[rand @chars - 10]; # nicks cannot start with a digit
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$nick .= $chars[rand @chars] for 1 .. $length;
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return $nick;
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}
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# TODO: add disconnect subroutine and connect/disconnect/reconnect commands
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sub connect {
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my ($self) = @_;
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return if $ENV{PBOT_LOCAL};
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if ($self->{connected}) {
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# TODO: disconnect, clean-up, etc
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}
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my $server = $self->{registry}->get_value('irc', 'server');
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my $port = $self->{registry}->get_value('irc', 'port');
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my $delay = $self->{registry}->get_value('irc', 'reconnect_delay') // 10;
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$self->{logger}->log("Connecting to $server:$port\n");
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while (
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not $self->{conn} = $self->{irc}->newconn(
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Nick => $self->{registry}->get_value('irc', 'randomize_nick') ? $self->random_nick : $self->{registry}->get_value('irc', 'botnick'),
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Username => $self->{registry}->get_value('irc', 'username'),
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Ircname => $self->{registry}->get_value('irc', 'realname'),
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Server => $server,
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Port => $port,
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Pacing => 1,
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UTF8 => 1,
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SSL => $self->{registry}->get_value('irc', 'SSL'),
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SSL_ca_file => $self->{registry}->get_value('irc', 'SSL_ca_file'),
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SSL_ca_path => $self->{registry}->get_value('irc', 'SSL_ca_path'),
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)
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)
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{
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$self->{logger}->log("$0: Can't connect to $server:$port: $!\nRetrying in $delay seconds...\n");
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sleep $delay;
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}
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$self->{connected} = 1;
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# start timer once connected
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$self->{timer}->start;
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# set up handlers for the IRC engine
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$self->{conn}->add_default_handler(sub { $self->{irchandlers}->default_handler(@_) }, 1);
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$self->{conn}->add_handler([251, 252, 253, 254, 255, 302], sub { $self->{irchandlers}->on_init(@_) });
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# ignore these events
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$self->{conn}->add_handler(
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[
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'whoisserver',
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'whoiscountry',
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'whoischannels',
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'whoisidle',
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'motdstart',
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'endofmotd',
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'away',
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],
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sub { }
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);
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}
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sub register_signal_handlers {
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my $self = shift;
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$SIG{INT} = sub {
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$self->{logger}->log("SIGINT received, exiting immediately.\n");
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$self->atexit; exit 0;
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};
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}
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# called when PBot terminates
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sub atexit {
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my $self = shift;
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$self->{atexit}->execute_all;
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alarm 0;
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}
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# main loop
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sub do_one_loop {
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my $self = shift;
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$self->{irc}->do_one_loop() if $self->{connected};
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$self->{select_handler}->do_select;
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}
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# main entry point
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sub start {
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my $self = shift;
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while (1) {
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$self->connect if not $self->{connected};
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$self->do_one_loop;
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}
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}
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1;
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