mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-09 13:39:34 +01:00
515 lines
19 KiB
Perl
515 lines
19 KiB
Perl
# File: PBot.pm
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# Author: pragma_
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#
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# Purpose: IRC Bot (3rd generation)
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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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# 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::HashObject;
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use PBot::DualIndexHashObject;
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use PBot::DualIndexSQLiteObject;
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use PBot::Registry;
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use PBot::Capabilities;
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use PBot::SelectHandler;
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use PBot::StdinReader;
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use PBot::IRC;
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use PBot::EventDispatcher;
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use PBot::IRCHandlers;
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use PBot::Channels;
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use PBot::BanList;
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use PBot::NickList;
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use PBot::LagChecker;
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use PBot::MessageHistory;
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use PBot::AntiFlood;
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use PBot::AntiSpam;
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use PBot::Interpreter;
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use PBot::Commands;
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use PBot::ChanOps;
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use PBot::Factoids;
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use PBot::Users;
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use PBot::IgnoreList;
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use PBot::BlackList;
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use PBot::Timer;
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use PBot::Refresher;
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use PBot::WebPaste;
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use PBot::Utils::ParseDate;
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use PBot::Plugins;
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use PBot::Functions;
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use PBot::Modules;
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use PBot::ProcessManager;
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use PBot::Updater;
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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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my $data_dir = $conf{data_dir};
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my $module_dir = $conf{module_dir};
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my $plugin_dir = $conf{plugin_dir};
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my $update_dir = $conf{update_dir};
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# process command-line arguments
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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/[\\\/]$//; # strip trailing directory separator
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$data_dir = $value if $override eq 'data_dir';
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$module_dir = $value if $override eq 'module_dir';
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$plugin_dir = $value if $override eq 'plugin_dir';
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$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 data directory exists
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if (not -d $data_dir) {
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print STDERR "Data directory ($data_dir) does not exist; aborting...\n";
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exit;
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}
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# let modules register signal handlers
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$self->{atexit} = PBot::Registerable->new(%conf, pbot => $self);
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$self->register_signal_handlers;
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# create logger
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$self->{logger} = PBot::Logger->new(pbot => $self, filename => "$data_dir/log/log", %conf);
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# make sure the rest of the environment is sane
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if (not -d $module_dir) {
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$self->{logger}->log("Modules directory ($module_dir) does not exist; aborting...\n");
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exit;
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}
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if (not -d $plugin_dir) {
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$self->{logger}->log("Plugins directory ($plugin_dir) does not exist; aborting...\n");
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exit;
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}
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if (not -d $update_dir) {
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$self->{logger}->log("Updates directory ($update_dir) does not exist; aborting...\n");
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exit;
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}
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$self->{updater} = PBot::Updater->new(pbot => $self, data_dir => $data_dir, update_dir => $update_dir);
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# update any data files to new locations/formats
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if ($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 => $self, filename => "$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 => $self, filename => "$data_dir/commands", %conf);
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# add some commands
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$self->{commands}->register(sub { $self->cmd_list(@_) }, "list");
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$self->{commands}->register(sub { $self->cmd_die(@_) }, "die", 1);
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$self->{commands}->register(sub { $self->cmd_export(@_) }, "export", 1);
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$self->{commands}->register(sub { $self->cmd_reload(@_) }, "reload", 1);
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$self->{commands}->register(sub { $self->cmd_eval(@_) }, "eval", 1);
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$self->{commands}->register(sub { $self->cmd_sl(@_) }, "sl", 1);
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# add 'cap' capability command
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$self->{commands}->register(sub { $self->{capabilities}->cmd_cap(@_) }, "cap");
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# prepare the version
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$self->{version} = PBot::VERSION->new(pbot => $self, %conf);
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$self->{logger}->log($self->{version}->version . "\n");
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$self->{logger}->log("Args: @ARGV\n") if @ARGV;
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$self->{logger}->log("module_dir: $module_dir\n");
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$self->{logger}->log("plugin_dir: $plugin_dir\n");
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$self->{logger}->log("data_dir: $data_dir\n");
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$self->{logger}->log("update_dir: $update_dir\n");
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$self->{timer} = PBot::Timer->new(pbot => $self, timeout => 10, name => 'PBot Timer', %conf);
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$self->{modules} = PBot::Modules->new(pbot => $self, %conf);
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$self->{functions} = PBot::Functions->new(pbot => $self, %conf);
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$self->{refresher} = PBot::Refresher->new(pbot => $self);
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# create registry and set some defaults
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$self->{registry} = PBot::Registry->new(pbot => $self, filename => "$data_dir/registry", %conf);
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$self->{registry}->add_default('text', 'general', 'data_dir', $data_dir);
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$self->{registry}->add_default('text', 'general', 'module_dir', $module_dir);
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$self->{registry}->add_default('text', 'general', 'plugin_dir', $plugin_dir);
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$self->{registry}->add_default('text', 'general', 'update_dir', $update_dir);
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$self->{registry}->add_default('text', 'general', 'trigger', $conf{trigger} // '!');
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$self->{registry}->add_default('text', 'irc', 'debug', $conf{irc_debug} // 0);
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$self->{registry}->add_default('text', 'irc', 'show_motd', $conf{show_motd} // 1);
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$self->{registry}->add_default('text', 'irc', 'max_msg_len', $conf{max_msg_len} // 425);
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$self->{registry}->add_default('text', 'irc', 'server', $conf{server} // "irc.freenode.net");
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$self->{registry}->add_default('text', 'irc', 'port', $conf{port} // 6667);
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$self->{registry}->add_default('text', 'irc', 'SSL', $conf{SSL} // 0);
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$self->{registry}->add_default('text', 'irc', 'SSL_ca_file', $conf{SSL_ca_file} // 'none');
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$self->{registry}->add_default('text', 'irc', 'SSL_ca_path', $conf{SSL_ca_path} // 'none');
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$self->{registry}->add_default('text', 'irc', 'botnick', $conf{botnick} // "");
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$self->{registry}->add_default('text', 'irc', 'username', $conf{username} // "pbot3");
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$self->{registry}->add_default('text', 'irc', 'realname', $conf{realname} // "https://github.com/pragma-/pbot");
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$self->{registry}->add_default('text', 'irc', 'identify_password', $conf{identify_password} // '');
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$self->{registry}->add_default('text', 'irc', 'log_default_handler', 1);
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$self->{registry}->set_default('irc', 'SSL_ca_file', 'private', 1);
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$self->{registry}->set_default('irc', 'SSL_ca_path', 'private', 1);
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$self->{registry}->set_default('irc', 'identify_password', 'private', 1);
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# load existing registry entries from file (if exists) to overwrite defaults
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if (-e $self->{registry}->{registry}->{filename}) { $self->{registry}->load; }
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# update important paths
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$self->{registry}->set('general', 'data_dir', 'value', $data_dir, 0, 1);
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$self->{registry}->set('general', 'module_dir', 'value', $module_dir, 0, 1);
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$self->{registry}->set('general', 'plugin_dir', 'value', $plugin_dir, 0, 1);
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$self->{registry}->set('general', 'update_dir', 'value', $update_dir, 0, 1);
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# override registry entries with command-line arguments, if any
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foreach my $override (keys %{$self->{overrides}}) {
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my ($section, $key) = split /\./, $override;
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my $value = $self->{overrides}->{$override};
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$self->{logger}->log("Overriding $section.$key to $value\n");
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$self->{registry}->set($section, $key, 'value', $value, 0, 1);
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}
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# registry triggers fire when value changes
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$self->{registry}->add_trigger('irc', 'botnick', sub { $self->change_botnick_trigger(@_) });
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$self->{registry}->add_trigger('irc', 'debug', sub { $self->irc_debug_trigger(@_) });
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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 $data_dir/registry to continue.\n");
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exit;
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}
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$self->{event_dispatcher} = PBot::EventDispatcher->new(pbot => $self, %conf);
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$self->{process_manager} = PBot::ProcessManager->new(pbot => $self, %conf);
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$self->{irchandlers} = PBot::IRCHandlers->new(pbot => $self, %conf);
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$self->{select_handler} = PBot::SelectHandler->new(pbot => $self, %conf);
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$self->{users} = PBot::Users->new(pbot => $self, filename => "$data_dir/users", %conf);
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$self->{stdin_reader} = PBot::StdinReader->new(pbot => $self, %conf);
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$self->{lagchecker} = PBot::LagChecker->new(pbot => $self, %conf);
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$self->{messagehistory} = PBot::MessageHistory->new(pbot => $self, filename => "$data_dir/message_history.sqlite3", %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->{ignorelist} = PBot::IgnoreList->new(pbot => $self, filename => "$data_dir/ignorelist", %conf);
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$self->{blacklist} = PBot::BlackList->new(pbot => $self, filename => "$data_dir/blacklist", %conf);
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$self->{irc} = PBot::IRC->new();
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$self->{channels} = PBot::Channels->new(pbot => $self, filename => "$data_dir/channels", %conf);
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$self->{chanops} = PBot::ChanOps->new(pbot => $self, %conf);
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$self->{banlist} = PBot::BanList->new(pbot => $self, %conf);
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$self->{nicklist} = PBot::NickList->new(pbot => $self, %conf);
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$self->{webpaste} = PBot::WebPaste->new(pbot => $self, %conf);
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$self->{parsedate} = PBot::Utils::ParseDate->new(pbot => $self, %conf);
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$self->{interpreter} = PBot::Interpreter->new(pbot => $self, %conf);
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$self->{interpreter}->register(sub { $self->{commands}->interpreter(@_) });
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$self->{interpreter}->register(sub { $self->{factoids}->interpreter(@_) });
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$self->{factoids} = PBot::Factoids->new(pbot => $self, filename => "$data_dir/factoids.sqlite3", %conf);
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$self->{plugins} = PBot::Plugins->new(pbot => $self, %conf);
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# load available plugins
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$self->{plugins}->autoload(%conf);
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# give botowner all 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 $nick;
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}
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# TODO: add disconnect subroutine
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sub connect {
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my ($self, $server) = @_;
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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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$server = $self->{registry}->get_value('irc', 'server') if not defined $server;
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$self->{logger}->log("Connecting to $server ...\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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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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Port => $self->{registry}->get_value('irc', 'port')
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)
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)
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{
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$self->{logger}->log("$0: Can't connect to $server:" . $self->{registry}->get_value('irc', 'port') . ". Retrying in 15 seconds...\n");
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sleep 15;
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}
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$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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#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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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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sub register_signal_handlers {
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my $self = shift;
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$SIG{INT} = sub { $self->atexit; exit 0; };
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}
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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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sub irc_debug_trigger {
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my ($self, $section, $item, $newvalue) = @_;
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$self->{irc}->debug($newvalue);
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$self->{conn}->debug($newvalue) if $self->{connected};
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}
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sub change_botnick_trigger {
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my ($self, $section, $item, $newvalue) = @_;
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$self->{conn}->nick($newvalue) if $self->{connected};
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}
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sub cmd_list {
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my ($self, $context) = @_;
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my $text;
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my $usage = "Usage: list <modules|commands>";
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return $usage if not length $context->{arguments};
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if ($context->{arguments} =~ /^modules$/i) {
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$text = "Loaded modules: ";
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foreach my $channel (sort $self->{factoids}->{factoids}->get_keys) {
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foreach my $command (sort $self->{factoids}->{factoids}->get_keys($channel)) {
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next if $command eq '_name';
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if ($self->{factoids}->{factoids}->get_data($channel, $command, 'type') eq 'module') {
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$text .= $self->{factoids}->{factoids}->get_data($channel, $command, '_name') . ' ';
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}
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}
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}
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return $text;
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}
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if ($context->{arguments} =~ /^commands$/i) {
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$text = "Registered commands: ";
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foreach my $command (sort { $a->{name} cmp $b->{name} } @{$self->{commands}->{handlers}}) {
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if ($command->{requires_cap}) { $text .= "+$command->{name} "; }
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else { $text .= "$command->{name} "; }
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}
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return $text;
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}
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return $usage;
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}
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sub cmd_sl {
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my ($self, $context) = @_;
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return "Usage: sl <ircd command>" if not length $context->{arguments};
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$self->{conn}->sl($context->{arguments});
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return "/msg $context->{nick} sl: command sent. See log for result.";
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}
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sub cmd_die {
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my ($self, $context) = @_;
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$self->{logger}->log("$context->{hostmask} made me exit.\n");
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$self->{conn}->privmsg($context->{from}, "Good-bye.") if $context->{from} ne 'stdin@pbot';
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$self->{conn}->quit("Departure requested.") if defined $self->{conn};
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$self->atexit();
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exit 0;
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}
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sub cmd_export {
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my ($self, $context) = @_;
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|
return "Usage: export <factoids>" if not length $context->{arguments};
|
|
if ($context->{arguments} =~ /^factoids$/i) { return $self->{factoids}->export_factoids; }
|
|
}
|
|
|
|
sub cmd_eval {
|
|
my ($self, $context) = @_;
|
|
|
|
$self->{logger}->log("eval: $context->{from} $context->{hostmask} evaluating `$context->{arguments}`\n");
|
|
|
|
my $ret = '';
|
|
my $result = eval $context->{arguments};
|
|
if ($@) {
|
|
if (length $result) { $ret .= "[Error: $@] "; }
|
|
else { $ret .= "Error: $@"; }
|
|
$ret =~ s/ at \(eval \d+\) line 1.//;
|
|
}
|
|
$result = 'Undefined.' if not defined $result;
|
|
$result = 'No output.' if not length $result;
|
|
return "/say $ret $result";
|
|
}
|
|
|
|
sub cmd_reload {
|
|
my ($self, $context) = @_;
|
|
|
|
my %reloadables = (
|
|
'capabilities' => sub {
|
|
$self->{capabilities}->{caps}->load;
|
|
return "Capabilities reloaded.";
|
|
},
|
|
|
|
'commands' => sub {
|
|
$self->{commands}->{metadata}->load;
|
|
return "Commands metadata reloaded.";
|
|
},
|
|
|
|
'blacklist' => sub {
|
|
$self->{blacklist}->clear_blacklist;
|
|
$self->{blacklist}->load_blacklist;
|
|
return "Blacklist reloaded.";
|
|
},
|
|
|
|
'ban-exemptions' => sub {
|
|
$self->{antiflood}->{'ban-exemptions'}->load;
|
|
return "Ban exemptions reloaded.";
|
|
},
|
|
|
|
'ignores' => sub {
|
|
$self->{ignorelist}->{ignorelist}->load;
|
|
return "Ignore list reloaded.";
|
|
},
|
|
|
|
'users' => sub {
|
|
$self->{users}->load;
|
|
return "Users reloaded.";
|
|
},
|
|
|
|
'channels' => sub {
|
|
$self->{channels}->{channels}->load;
|
|
return "Channels reloaded.";
|
|
},
|
|
|
|
'banlist' => sub {
|
|
$self->{timer}->dequeue_event('unban #.*');
|
|
$self->{timer}->dequeue_event('unmute #.*');
|
|
$self->{banlist}->{banlist}->load;
|
|
$self->{banlist}->{quietlist}->load;
|
|
$self->{banlist}->enqueue_timeouts($self->{banlist}->{banlist}, 'b');
|
|
$self->{banlist}->enqueue_timeouts($self->{banlist}->{quietlist}, 'q');
|
|
return "Ban list reloaded.";
|
|
},
|
|
|
|
'registry' => sub {
|
|
$self->{registry}->load;
|
|
return "Registry reloaded.";
|
|
},
|
|
|
|
'factoids' => sub {
|
|
$self->{factoids}->load_factoids;
|
|
return "Factoids reloaded.";
|
|
}
|
|
);
|
|
|
|
if (not length $context->{arguments} or not exists $reloadables{$context->{arguments}}) {
|
|
my $usage = 'Usage: reload <';
|
|
$usage .= join '|', sort keys %reloadables;
|
|
$usage .= '>';
|
|
return $usage;
|
|
}
|
|
|
|
return $reloadables{$context->{arguments}}();
|
|
}
|
|
|
|
1;
|