12 $debug = false unless $debug
13 $daemonize = false unless $daemonize
15 $dateformat = "%Y/%m/%d %H:%M:%S"
16 $logger = Logger.new($stderr)
17 $logger.datetime_format = $dateformat
18 $logger.level = $cl_loglevel if defined? $cl_loglevel
19 $logger.level = 0 if $debug
21 $log_queue = Queue.new
26 unless Kernel.respond_to? :pretty_inspect
30 public :pretty_inspect
35 q.group(1, "#<%s: %s" % [self.class, self.message], ">") {
36 if self.backtrace and not self.backtrace.empty?
38 q.seplist(self.backtrace, lambda { q.text "\n" } ) { |l| q.text l }
44 class ServerError < RuntimeError
47 def rawlog(level, message=nil, who_pos=1)
49 if call_stack.length > who_pos
50 who = call_stack[who_pos].sub(%r{(?:.+)/([^/]+):(\d+)(:in .*)?}) { "#{$1}:#{$2}#{$3}" }
54 # Output each line. To distinguish between separate messages and multi-line
55 # messages originating at the same time, we blank #{who} after the first message
57 # Also, we output strings as-is but for other objects we use pretty_inspect
62 str = message.pretty_inspect
66 qmsg.push [level, l.chomp, who]
73 if $log_thread && $log_thread.alive?
82 def restart_logger(newlogger = false)
85 $logger = newlogger if newlogger
87 $log_thread = Thread.new do
89 while ls = $log_queue.pop
90 ls.each { |l| $logger.add(*l) }
98 $logger << "\n\n=== #{botclass} session started on #{Time.now.strftime($dateformat)} ===\n\n"
103 $logger << "\n\n=== #{botclass} session ended on #{Time.now.strftime($dateformat)} ===\n\n"
107 def debug(message=nil, who_pos=1)
108 rawlog(Logger::Severity::DEBUG, message, who_pos)
111 def log(message=nil, who_pos=1)
112 rawlog(Logger::Severity::INFO, message, who_pos)
115 def warning(message=nil, who_pos=1)
116 rawlog(Logger::Severity::WARN, message, who_pos)
119 def error(message=nil, who_pos=1)
120 rawlog(Logger::Severity::ERROR, message, who_pos)
123 def fatal(message=nil, who_pos=1)
124 rawlog(Logger::Severity::FATAL, message, who_pos)
129 warning "warning test"
133 # The following global is used for the improved signal handling.
137 require 'rbot/rbotconfig'
141 log "rubygems unavailable"
144 require 'rbot/load-gettext'
145 require 'rbot/config'
146 require 'rbot/config-compat'
149 require 'rbot/rfc2812'
150 require 'rbot/ircsocket'
151 require 'rbot/botuser'
153 require 'rbot/plugins'
154 require 'rbot/message'
155 require 'rbot/language'
159 # Main bot class, which manages the various components, receives messages,
160 # handles them or passes them to plugins, and contains core functionality.
162 COPYRIGHT_NOTICE = "(c) Tom Gilbert and the rbot development team"
163 SOURCE_URL = "http://ruby-rbot.org"
164 # the bot's Auth data
167 # the bot's Config data
170 # the botclass for this bot (determines configdir among other things)
171 attr_reader :botclass
173 # used to perform actions periodically (saves configuration once per minute
177 # synchronize with this mutex while touching permanent data files:
178 # saving, flushing, cleaning up ...
179 attr_reader :save_mutex
181 # bot's Language data
188 # bot's object registry, plugins get an interface to this for persistant
189 # storage (hash interface tied to a db file, plugins use Accessors to store
190 # and restore objects in their own namespaces.)
191 attr_reader :registry
193 # bot's plugins. This is an instance of class Plugins
196 # bot's httputil helper object, for fetching resources via http. Sets up
197 # proxies etc as defined by the bot configuration/environment
198 attr_accessor :httputil
200 # server we are connected to
206 # bot User in the client/server connection
212 # bot nick in the client/server connection
217 # bot channels in the client/server connection
222 # nick wanted by the bot. This defaults to the irc.nick config value,
223 # but may be overridden by a manual !nick command
225 @wanted_nick || config['irc.nick']
228 # set the nick wanted by the bot
230 if wn.nil? or wn.to_s.downcase == config['irc.nick'].downcase
233 @wanted_nick = wn.to_s.dup
241 ret = self.to_s[0..-2]
242 ret << ' version=' << $version.inspect
243 ret << ' botclass=' << botclass.inspect
244 ret << ' lang="' << lang.language
249 ret << ' nick=' << nick.inspect
252 ret << (server.to_s + (socket ?
253 ' [' << socket.server_uri.to_s << ']' : '')).inspect
254 unless server.channels.empty?
256 ret << server.channels.map { |c|
257 "%s%s" % [c.modes_of(nick).map { |m|
258 server.prefix_for_mode(m)
265 ret << ' plugins=' << plugins.inspect
270 # create a new Bot with botclass +botclass+
271 def initialize(botclass, params = {})
272 # Config for the core bot
273 # TODO should we split socket stuff into ircsocket, etc?
274 Config.register Config::ArrayValue.new('server.list',
275 :default => ['irc://localhost'], :wizard => true,
276 :requires_restart => true,
277 :desc => "List of irc servers rbot should try to connect to. Use comma to separate values. Servers are in format 'server.doma.in:port'. If port is not specified, default value (6667) is used.")
278 Config.register Config::BooleanValue.new('server.ssl',
279 :default => false, :requires_restart => true, :wizard => true,
280 :desc => "Use SSL to connect to this server?")
281 Config.register Config::BooleanValue.new('server.ssl_verify',
282 :default => false, :requires_restart => true,
283 :desc => "Verify the SSL connection?",
285 Config.register Config::StringValue.new('server.ssl_ca_file',
286 :default => default_ssl_ca_file, :requires_restart => true,
287 :desc => "The CA file used to verify the SSL connection.",
289 Config.register Config::StringValue.new('server.ssl_ca_path',
290 :default => '', :requires_restart => true,
291 :desc => "Alternativly a directory that includes CA PEM files used to verify the SSL connection.",
293 Config.register Config::StringValue.new('server.password',
294 :default => false, :requires_restart => true,
295 :desc => "Password for connecting to this server (if required)",
297 Config.register Config::StringValue.new('server.bindhost',
298 :default => false, :requires_restart => true,
299 :desc => "Specific local host or IP for the bot to bind to (if required)",
301 Config.register Config::IntegerValue.new('server.reconnect_wait',
302 :default => 5, :validate => Proc.new{|v| v >= 0},
303 :desc => "Seconds to wait before attempting to reconnect, on disconnect")
304 Config.register Config::IntegerValue.new('server.ping_timeout',
305 :default => 30, :validate => Proc.new{|v| v >= 0},
306 :desc => "reconnect if server doesn't respond to PING within this many seconds (set to 0 to disable)")
307 Config.register Config::ArrayValue.new('server.nocolor_modes',
308 :default => ['c'], :wizard => false,
309 :requires_restart => false,
310 :desc => "List of channel modes that require messages to be without colors")
312 Config.register Config::StringValue.new('irc.nick', :default => "rbot",
313 :desc => "IRC nickname the bot should attempt to use", :wizard => true,
314 :on_change => Proc.new{|bot, v| bot.sendq "NICK #{v}" })
315 Config.register Config::StringValue.new('irc.name',
316 :default => "Ruby bot", :requires_restart => true,
317 :desc => "IRC realname the bot should use")
318 Config.register Config::BooleanValue.new('irc.name_copyright',
319 :default => true, :requires_restart => true,
320 :desc => "Append copyright notice to bot realname? (please don't disable unless it's really necessary)")
321 Config.register Config::StringValue.new('irc.user', :default => "rbot",
322 :requires_restart => true,
323 :desc => "local user the bot should appear to be", :wizard => true)
324 Config.register Config::ArrayValue.new('irc.join_channels',
325 :default => [], :wizard => true,
326 :desc => "What channels the bot should always join at startup. List multiple channels using commas to separate. If a channel requires a password, use a space after the channel name. e.g: '#chan1, #chan2, #secretchan secritpass, #chan3'")
327 Config.register Config::ArrayValue.new('irc.ignore_users',
329 :desc => "Which users to ignore input from. This is mainly to avoid bot-wars triggered by creative people")
330 Config.register Config::ArrayValue.new('irc.ignore_channels',
332 :desc => "Which channels to ignore input in. This is mainly to turn the bot into a logbot that doesn't interact with users in any way (in the specified channels)")
334 Config.register Config::IntegerValue.new('core.save_every',
335 :default => 60, :validate => Proc.new{|v| v >= 0},
336 :on_change => Proc.new { |bot, v|
339 @timer.reschedule(@save_timer, v)
340 @timer.unblock(@save_timer)
342 @timer.block(@save_timer)
346 @save_timer = @timer.add(v) { bot.save }
348 # Nothing to do when v == 0
351 :desc => "How often the bot should persist all configuration to disk (in case of a server crash, for example)")
353 Config.register Config::BooleanValue.new('core.run_as_daemon',
354 :default => false, :requires_restart => true,
355 :desc => "Should the bot run as a daemon?")
357 Config.register Config::StringValue.new('log.file',
358 :default => false, :requires_restart => true,
359 :desc => "Name of the logfile to which console messages will be redirected when the bot is run as a daemon")
360 Config.register Config::IntegerValue.new('log.level',
361 :default => 1, :requires_restart => false,
362 :validate => Proc.new { |v| (0..5).include?(v) },
363 :on_change => Proc.new { |bot, v|
366 :desc => "The minimum logging level (0=DEBUG,1=INFO,2=WARN,3=ERROR,4=FATAL) for console messages")
367 Config.register Config::IntegerValue.new('log.keep',
368 :default => 1, :requires_restart => true,
369 :validate => Proc.new { |v| v >= 0 },
370 :desc => "How many old console messages logfiles to keep")
371 Config.register Config::IntegerValue.new('log.max_size',
372 :default => 10, :requires_restart => true,
373 :validate => Proc.new { |v| v > 0 },
374 :desc => "Maximum console messages logfile size (in megabytes)")
376 Config.register Config::ArrayValue.new('plugins.path',
377 :wizard => true, :default => ['(default)', '(default)/games', '(default)/contrib'],
378 :requires_restart => false,
379 :on_change => Proc.new { |bot, v| bot.setup_plugins_path },
380 :desc => "Where the bot should look for plugins. List multiple directories using commas to separate. Use '(default)' for default prepackaged plugins collection, '(default)/contrib' for prepackaged unsupported plugins collection")
382 Config.register Config::EnumValue.new('send.newlines',
383 :values => ['split', 'join'], :default => 'split',
384 :on_change => Proc.new { |bot, v|
385 bot.set_default_send_options :newlines => v.to_sym
387 :desc => "When set to split, messages with embedded newlines will be sent as separate lines. When set to join, newlines will be replaced by the value of join_with")
388 Config.register Config::StringValue.new('send.join_with',
390 :on_change => Proc.new { |bot, v|
391 bot.set_default_send_options :join_with => v.dup
393 :desc => "String used to replace newlines when send.newlines is set to join")
394 Config.register Config::IntegerValue.new('send.max_lines',
396 :validate => Proc.new { |v| v >= 0 },
397 :on_change => Proc.new { |bot, v|
398 bot.set_default_send_options :max_lines => v
400 :desc => "Maximum number of IRC lines to send for each message (set to 0 for no limit)")
401 Config.register Config::EnumValue.new('send.overlong',
402 :values => ['split', 'truncate'], :default => 'split',
403 :on_change => Proc.new { |bot, v|
404 bot.set_default_send_options :overlong => v.to_sym
406 :desc => "When set to split, messages which are too long to fit in a single IRC line are split into multiple lines. When set to truncate, long messages are truncated to fit the IRC line length")
407 Config.register Config::StringValue.new('send.split_at',
409 :on_change => Proc.new { |bot, v|
410 bot.set_default_send_options :split_at => Regexp.new(v)
412 :desc => "A regular expression that should match the split points for overlong messages (see send.overlong)")
413 Config.register Config::BooleanValue.new('send.purge_split',
415 :on_change => Proc.new { |bot, v|
416 bot.set_default_send_options :purge_split => v
418 :desc => "Set to true if the splitting boundary (set in send.split_at) should be removed when splitting overlong messages (see send.overlong)")
419 Config.register Config::StringValue.new('send.truncate_text',
420 :default => "#{Reverse}...#{Reverse}",
421 :on_change => Proc.new { |bot, v|
422 bot.set_default_send_options :truncate_text => v.dup
424 :desc => "When truncating overlong messages (see send.overlong) or when sending too many lines per message (see send.max_lines) replace the end of the last line with this text")
425 Config.register Config::IntegerValue.new('send.penalty_pct',
427 :validate => Proc.new { |v| v >= 0 },
428 :on_change => Proc.new { |bot, v|
429 bot.socket.penalty_pct = v
431 :desc => "Percentage of IRC penalty to consider when sending messages to prevent being disconnected for excess flood. Set to 0 to disable penalty control.")
432 Config.register Config::StringValue.new('core.db',
434 :wizard => true, :default => "bdb",
435 :validate => Proc.new { |v| ["bdb", "tc"].include? v },
436 :requires_restart => true,
437 :desc => "DB adaptor to use for storing settings and plugin data. Options are: bdb (Berkeley DB, stable adaptor, but troublesome to install and unmaintained), tc (Tokyo Cabinet, new adaptor, fast and furious, but may be not available and contain bugs)")
439 @argv = params[:argv]
440 @run_dir = params[:run_dir] || Dir.pwd
442 unless FileTest.directory? Config::coredir
443 error "core directory '#{Config::coredir}' not found, did you setup.rb?"
447 unless FileTest.directory? Config::datadir
448 error "data directory '#{Config::datadir}' not found, did you setup.rb?"
452 unless botclass and not botclass.empty?
453 # We want to find a sensible default.
454 # * On POSIX systems we prefer ~/.rbot for the effective uid of the process
455 # * On Windows (at least the NT versions) we want to put our stuff in the
456 # Application Data folder.
457 # We don't use any particular O/S detection magic, exploiting the fact that
458 # Etc.getpwuid is nil on Windows
459 if Etc.getpwuid(Process::Sys.geteuid)
460 botclass = Etc.getpwuid(Process::Sys.geteuid)[:dir].dup
462 if ENV.has_key?('APPDATA')
463 botclass = ENV['APPDATA'].dup
464 botclass.gsub!("\\","/")
467 botclass = File.join(botclass, ".rbot")
469 botclass = File.expand_path(botclass)
470 @botclass = botclass.gsub(/\/$/, "")
472 repopulate_botclass_directory
474 registry_dir = File.join(@botclass, 'registry')
475 Dir.mkdir(registry_dir) unless File.exist?(registry_dir)
476 unless FileTest.directory? registry_dir
477 error "registry storage location #{registry_dir} is not a directory"
480 save_dir = File.join(@botclass, 'safe_save')
481 Dir.mkdir(save_dir) unless File.exist?(save_dir)
482 unless FileTest.directory? save_dir
483 error "safe save location #{save_dir} is not a directory"
487 # Time at which the last PING was sent
489 # Time at which the last line was RECV'd from the server
492 @startup_time = Time.new
495 @config = Config.manager
496 @config.bot_associate(self)
497 rescue Exception => e
503 if @config['core.run_as_daemon']
507 case @config["core.db"]
509 require 'rbot/registry/bdb'
511 require 'rbot/registry/tc'
513 raise _("Unknown DB adaptor: %s") % @config["core.db"]
516 @logfile = @config['log.file']
517 if @logfile.class!=String || @logfile.empty?
518 logfname = File.basename(botclass).gsub(/^\.+/,'')
520 @logfile = File.join(botclass, logfname)
521 debug "Using `#{@logfile}' as debug log"
524 # See http://blog.humlab.umu.se/samuel/archives/000107.html
525 # for the backgrounding code
531 rescue NotImplementedError
532 warning "Could not background, fork not supported"
535 rescue Exception => e
536 warning "Could not background. #{e.pretty_inspect}"
539 # File.umask 0000 # Ensure sensible umask. Adjust as needed.
542 logger = Logger.new(@logfile,
544 @config['log.max_size']*1024*1024)
545 logger.datetime_format= $dateformat
546 logger.level = @config['log.level']
547 logger.level = $cl_loglevel if defined? $cl_loglevel
548 logger.level = 0 if $debug
550 restart_logger(logger)
555 log "Redirecting standard input/output/error"
556 [$stdin, $stdout, $stderr].each do |fd|
558 fd.reopen "/dev/null"
560 # On Windows, there's not such thing as /dev/null
565 def $stdout.write(str=nil)
569 def $stdout.write(str=nil)
570 if str.to_s.match(/:\d+: warning:/)
579 File.open($opts['pidfile'] || File.join(@botclass, 'rbot.pid'), 'w') do |pf|
583 @registry = Registry.new self
586 @save_mutex = Mutex.new
587 if @config['core.save_every'] > 0
588 @save_timer = @timer.add(@config['core.save_every']) { save }
592 @quit_mutex = Mutex.new
595 @lang = Language.new(self, @config['core.language'])
598 @auth = Auth::manager
599 @auth.bot_associate(self)
600 # @auth.load("#{botclass}/botusers.yaml")
601 rescue Exception => e
606 @auth.everyone.set_default_permission("*", true)
607 @auth.botowner.password= @config['auth.password']
609 @plugins = Plugins::manager
610 @plugins.bot_associate(self)
613 if @config['server.name']
614 debug "upgrading configuration (server.name => server.list)"
615 srv_uri = 'irc://' + @config['server.name']
616 srv_uri += ":#{@config['server.port']}" if @config['server.port']
617 @config.items['server.list'.to_sym].set_string(srv_uri)
618 @config.delete('server.name'.to_sym)
619 @config.delete('server.port'.to_sym)
620 debug "server.list is now #{@config['server.list'].inspect}"
623 @socket = Irc::Socket.new(@config['server.list'], @config['server.bindhost'],
624 :ssl => @config['server.ssl'],
625 :ssl_verify => @config['server.ssl_verify'],
626 :ssl_ca_file => @config['server.ssl_ca_file'],
627 :ssl_ca_path => @config['server.ssl_ca_path'],
628 :penalty_pct => @config['send.penalty_pct'])
633 # Channels where we are quiet
634 # Array of channels names where the bot should be quiet
635 # '*' means all channels
638 # but we always speak here
641 # the nick we want, if it's different from the irc.nick config value
642 # (e.g. as set by a !nick command)
645 @client[:welcome] = proc {|data|
646 m = WelcomeMessage.new(self, server, data[:source], data[:target], data[:message])
648 @plugins.delegate("welcome", m)
649 @plugins.delegate("connect")
652 # TODO the next two @client should go into rfc2812.rb, probably
653 # Since capabs are two-steps processes, server.supports[:capab]
654 # should be a three-state: nil, [], [....]
655 asked_for = { :"identify-msg" => false }
656 @client[:isupport] = proc { |data|
657 if server.supports[:capab] and !asked_for[:"identify-msg"]
658 sendq "CAPAB IDENTIFY-MSG"
659 asked_for[:"identify-msg"] = true
662 @client[:datastr] = proc { |data|
663 if data[:text] == "IDENTIFY-MSG"
664 server.capabilities[:"identify-msg"] = true
666 debug "Not handling RPL_DATASTR #{data[:servermessage]}"
670 @client[:privmsg] = proc { |data|
671 m = PrivMessage.new(self, server, data[:source], data[:target], data[:message], :handle_id => true)
672 # debug "Message source is #{data[:source].inspect}"
673 # debug "Message target is #{data[:target].inspect}"
674 # debug "Bot is #{myself.inspect}"
676 @config['irc.ignore_channels'].each { |channel|
677 if m.target.downcase == channel.downcase
682 @config['irc.ignore_users'].each { |mask|
683 if m.source.matches?(server.new_netmask(mask))
689 @plugins.irc_delegate('privmsg', m)
691 @client[:notice] = proc { |data|
692 message = NoticeMessage.new(self, server, data[:source], data[:target], data[:message], :handle_id => true)
693 # pass it off to plugins that want to hear everything
694 @plugins.irc_delegate "notice", message
696 @client[:motd] = proc { |data|
697 m = MotdMessage.new(self, server, data[:source], data[:target], data[:motd])
698 @plugins.delegate "motd", m
700 @client[:nicktaken] = proc { |data|
701 new = "#{data[:nick]}_"
703 # If we're setting our nick at connection because our choice was taken,
704 # we have to fix our nick manually, because there will be no NICK message
705 # to inform us that our nick has been changed.
706 if data[:target] == '*'
707 debug "setting my connection nick to #{new}"
710 @plugins.delegate "nicktaken", data[:nick]
712 @client[:badnick] = proc {|data|
713 warning "bad nick (#{data[:nick]})"
715 @client[:ping] = proc {|data|
716 sendq "PONG #{data[:pingid]}"
718 @client[:pong] = proc {|data|
721 @client[:nick] = proc {|data|
722 # debug "Message source is #{data[:source].inspect}"
723 # debug "Bot is #{myself.inspect}"
724 source = data[:source]
727 m = NickMessage.new(self, server, source, old, new)
728 m.is_on = data[:is_on]
730 debug "my nick is now #{new}"
732 @plugins.irc_delegate("nick", m)
734 @client[:quit] = proc {|data|
735 source = data[:source]
736 message = data[:message]
737 m = QuitMessage.new(self, server, source, source, message)
738 m.was_on = data[:was_on]
739 @plugins.irc_delegate("quit", m)
741 @client[:mode] = proc {|data|
742 m = ModeChangeMessage.new(self, server, data[:source], data[:target], data[:modestring])
743 m.modes = data[:modes]
744 @plugins.delegate "modechange", m
746 @client[:whois] = proc {|data|
747 source = data[:source]
748 target = server.get_user(data[:whois][:nick])
749 m = WhoisMessage.new(self, server, source, target, data[:whois])
750 @plugins.delegate "whois", m
752 @client[:list] = proc {|data|
753 source = data[:source]
754 m = ListMessage.new(self, server, source, source, data[:list])
755 @plugins.delegate "irclist", m
757 @client[:join] = proc {|data|
758 m = JoinMessage.new(self, server, data[:source], data[:channel], data[:message])
759 sendq("MODE #{data[:channel]}", nil, 0) if m.address?
760 @plugins.irc_delegate("join", m)
761 sendq("WHO #{data[:channel]}", data[:channel], 2) if m.address?
763 @client[:part] = proc {|data|
764 m = PartMessage.new(self, server, data[:source], data[:channel], data[:message])
765 @plugins.irc_delegate("part", m)
767 @client[:kick] = proc {|data|
768 m = KickMessage.new(self, server, data[:source], data[:target], data[:channel],data[:message])
769 @plugins.irc_delegate("kick", m)
771 @client[:invite] = proc {|data|
772 m = InviteMessage.new(self, server, data[:source], data[:target], data[:channel])
773 @plugins.irc_delegate("invite", m)
775 @client[:changetopic] = proc {|data|
776 m = TopicMessage.new(self, server, data[:source], data[:channel], data[:topic])
778 @plugins.irc_delegate("topic", m)
780 # @client[:topic] = proc { |data|
781 # irclog "@ Topic is \"#{data[:topic]}\"", data[:channel]
783 @client[:topicinfo] = proc { |data|
784 channel = data[:channel]
785 topic = channel.topic
786 m = TopicMessage.new(self, server, data[:source], channel, topic)
787 m.info_or_set = :info
788 @plugins.irc_delegate("topic", m)
790 @client[:names] = proc { |data|
791 m = NamesMessage.new(self, server, server, data[:channel])
792 m.users = data[:users]
793 @plugins.delegate "names", m
795 @client[:banlist] = proc { |data|
796 m = BanlistMessage.new(self, server, server, data[:channel])
798 @plugins.delegate "banlist", m
800 @client[:nosuchtarget] = proc { |data|
801 m = NoSuchTargetMessage.new(self, server, server, data[:target], data[:message])
802 @plugins.delegate "nosuchtarget", m
804 @client[:error] = proc { |data|
805 raise ServerError, data[:message]
807 @client[:unknown] = proc { |data|
808 #debug "UNKNOWN: #{data[:serverstring]}"
809 m = UnknownMessage.new(self, server, server, nil, data[:serverstring])
810 @plugins.delegate "unknown_message", m
813 set_default_send_options :newlines => @config['send.newlines'].to_sym,
814 :join_with => @config['send.join_with'].dup,
815 :max_lines => @config['send.max_lines'],
816 :overlong => @config['send.overlong'].to_sym,
817 :split_at => Regexp.new(@config['send.split_at']),
818 :purge_split => @config['send.purge_split'],
819 :truncate_text => @config['send.truncate_text'].dup
824 # Determine (if possible) a valid path to a CA certificate bundle.
825 def default_ssl_ca_file
826 [ '/etc/ssl/certs/ca-certificates.crt', # Ubuntu/Debian
827 '/etc/ssl/certs/ca-bundle.crt', # Amazon Linux
828 '/etc/ssl/ca-bundle.pem', # OpenSUSE
829 '/etc/pki/tls/certs/ca-bundle.crt' # Fedora/RHEL
835 def repopulate_botclass_directory
836 template_dir = File.join Config::datadir, 'templates'
837 if FileTest.directory? @botclass
838 # compare the templates dir with the current botclass dir, filling up the
839 # latter with any missing file. Sadly, FileUtils.cp_r doesn't have an
840 # :update option, so we have to do it manually.
841 # Note that we use the */** pattern because we don't want to match
842 # keywords.rbot, which gets deleted on load and would therefore be missing
844 missing = Dir.chdir(template_dir) { Dir.glob('*/**') } - Dir.chdir(@botclass) { Dir.glob('*/**') }
846 dest = File.join(@botclass, f)
847 FileUtils.mkdir_p(File.dirname(dest))
848 FileUtils.cp File.join(template_dir, f), dest
851 log "no #{@botclass} directory found, creating from templates..."
852 if FileTest.exist? @botclass
853 error "file #{@botclass} exists but isn't a directory"
856 FileUtils.cp_r template_dir, @botclass
860 # Return a path under the current botclass by joining the mentioned
861 # components. The components are automatically converted to String
862 def path(*components)
863 File.join(@botclass, *(components.map {|c| c.to_s}))
866 def setup_plugins_path
867 plugdir_default = File.join(Config::datadir, 'plugins')
868 plugdir_local = File.join(@botclass, 'plugins')
869 Dir.mkdir(plugdir_local) unless File.exist?(plugdir_local)
871 @plugins.clear_botmodule_dirs
872 @plugins.add_core_module_dir(File.join(Config::coredir, 'utils'))
873 @plugins.add_core_module_dir(Config::coredir)
874 if FileTest.directory? plugdir_local
875 @plugins.add_plugin_dir(plugdir_local)
877 warning "local plugin location #{plugdir_local} is not a directory"
880 @config['plugins.path'].each do |_|
881 path = _.sub(/^\(default\)/, plugdir_default)
882 @plugins.add_plugin_dir(path)
886 def set_default_send_options(opts={})
887 # Default send options for NOTICE and PRIVMSG
888 unless defined? @default_send_options
889 @default_send_options = {
890 :queue_channel => nil, # use default queue channel
891 :queue_ring => nil, # use default queue ring
892 :newlines => :split, # or :join
893 :join_with => ' ', # by default, use a single space
894 :max_lines => 0, # maximum number of lines to send with a single command
895 :overlong => :split, # or :truncate
896 # TODO an array of splitpoints would be preferrable for this option:
897 :split_at => /\s+/, # by default, split overlong lines at whitespace
898 :purge_split => true, # should the split string be removed?
899 :truncate_text => "#{Reverse}...#{Reverse}" # text to be appened when truncating
902 @default_send_options.update opts unless opts.empty?
905 # checks if we should be quiet on a channel
906 def quiet_on?(channel)
907 ch = channel.downcase
908 return (@quiet.include?('*') && !@not_quiet.include?(ch)) || @quiet.include?(ch)
911 def set_quiet(channel = nil)
913 ch = channel.downcase.dup
914 @not_quiet.delete(ch)
923 def reset_quiet(channel = nil)
925 ch = channel.downcase.dup
934 # things to do when we receive a signal
935 def handle_signal(sig)
944 debug "received #{sig}, queueing #{func}"
945 # this is not an interruption if we just need to reconnect
946 $interrupted += 1 unless func == :reconnect
947 self.send(func) unless @quit_mutex.locked?
948 debug "interrupted #{$interrupted} times"
959 %w(SIGINT SIGTERM SIGHUP SIGUSR1).each do |sig|
960 trap(sig) { Thread.new { handle_signal sig } }
962 rescue ArgumentError => e
963 debug "failed to trap signals (#{e.pretty_inspect}): running on Windows?"
964 rescue Exception => e
965 debug "failed to trap signals: #{e.pretty_inspect}"
969 # connect the bot to IRC
971 # make sure we don't have any spurious ping checks running
972 # (and initialize the vars if this is the first time we connect)
975 quit if $interrupted > 0
978 rescue Exception => e
979 uri = @socket.server_uri || '<unknown>'
980 error "failed to connect to IRC server at #{uri}"
984 quit if $interrupted > 0
986 realname = @config['irc.name'].clone || 'Ruby bot'
987 realname << ' ' + COPYRIGHT_NOTICE if @config['irc.name_copyright']
989 @socket.emergency_puts "PASS " + @config['server.password'] if @config['server.password']
990 @socket.emergency_puts "NICK #{@config['irc.nick']}\nUSER #{@config['irc.user']} 4 #{@socket.server_uri.host} :#{realname}"
991 quit if $interrupted > 0
992 myself.nick = @config['irc.nick']
993 myself.user = @config['irc.user']
996 # disconnect the bot from IRC, if connected, and then connect (again)
997 def reconnect(message=nil, too_fast=0)
998 # we will wait only if @last_rec was not nil, i.e. if we were connected or
999 # got disconnected by a network error
1000 # if someone wants to manually call disconnect() _and_ reconnect(), they
1001 # will have to take care of the waiting themselves
1002 will_wait = !!@last_rec
1004 if @socket.connected?
1010 log "\n\nDisconnected\n\n"
1012 quit if $interrupted > 0
1014 log "\n\nWaiting to reconnect\n\n"
1015 sleep @config['server.reconnect_wait']
1017 tf = too_fast*@config['server.reconnect_wait']
1018 tfu = Utils.secs_to_string(tf)
1019 log "Will sleep for an extra #{tf}s (#{tfu})"
1029 fatal "fatal db error: #{e.pretty_inspect}"
1033 rescue Exception => e
1040 # begin event handling loop
1045 valid_recv = false # did we receive anything (valid) from the server yet?
1047 reconnect(quit_msg, too_fast)
1048 quit if $interrupted > 0
1050 while @socket.connected?
1051 quit if $interrupted > 0
1053 # Wait for messages and process them as they arrive. If nothing is
1054 # received, we call the ping_server() method that will PING the
1055 # server if appropriate, or raise a TimeoutError if no PONG has been
1056 # received in the user-chosen timeout since the last PING sent.
1057 if @socket.select(1)
1058 break unless reply = @socket.gets
1059 @last_rec = Time.now
1060 @client.process reply
1068 # I despair of this. Some of my users get "connection reset by peer"
1069 # exceptions that ARENT SocketError's. How am I supposed to handle
1074 rescue Errno::ETIMEDOUT, Errno::ECONNABORTED, TimeoutError, SocketError => e
1075 error "network exception: #{e.pretty_inspect}"
1077 too_fast += 10 if valid_recv
1078 rescue ServerMessageParseError => e
1079 # if the bot tried reconnecting too often, we can get forcefully
1080 # disconnected by the server, while still receiving an empty message
1081 # wait at least 10 minutes in this case
1084 too_fast = [too_fast, 300].max
1086 log "Empty message from server, extra delay multiplier #{oldtf} -> #{too_fast}"
1088 quit_msg = "Unparseable Server Message: #{e.message.inspect}"
1090 rescue ServerError => e
1091 quit_msg = "server ERROR: " + e.message
1093 idx = e.message.index("connect too fast")
1094 debug "'connect too fast' @ #{idx}"
1097 too_fast += (idx+1)*2
1098 log "Reconnecting too fast, extra delay multiplier #{oldtf} -> #{too_fast}"
1100 idx = e.message.index(/a(uto)kill/i)
1101 debug "'autokill' @ #{idx}"
1103 # we got auto-killed. since we don't have an easy way to tell
1104 # if it's permanent or temporary, we just set a rather high
1105 # reconnection timeout
1107 too_fast += (idx+1)*5
1108 log "Killed by server, extra delay multiplier #{oldtf} -> #{too_fast}"
1112 fatal "fatal db error: #{e.pretty_inspect}"
1114 # Why restart? DB problems are serious stuff ...
1115 # restart("Oops, we seem to have registry problems ...")
1118 rescue Exception => e
1119 error "non-net exception: #{e.pretty_inspect}"
1122 fatal "unexpected exception: #{e.pretty_inspect}"
1129 # type:: message type
1130 # where:: message target
1131 # message:: message text
1132 # send message +message+ of type +type+ to target +where+
1133 # Type can be PRIVMSG, NOTICE, etc, but those you should really use the
1134 # relevant say() or notice() methods. This one should be used for IRCd
1135 # extensions you want to use in modules.
1136 def sendmsg(original_type, original_where, original_message, options={})
1138 # filter message with sendmsg filters
1139 ds = DataStream.new original_message.to_s.dup,
1140 :type => original_type, :dest => original_where,
1141 :options => @default_send_options.merge(options)
1142 filters = filter_names(:sendmsg)
1143 filters.each do |fname|
1144 debug "filtering #{ds[:text]} with sendmsg filter #{fname}"
1145 ds.merge! filter(self.global_filter_name(fname, :sendmsg), ds)
1151 filtered = ds[:text]
1153 # For starters, set up appropriate queue channels and rings
1154 mchan = opts[:queue_channel]
1155 mring = opts[:queue_ring]
1172 multi_line = filtered.gsub(/[\r\n]+/, "\n")
1174 # if target is a channel with nocolor modes, strip colours
1175 if where.kind_of?(Channel) and where.mode.any?(*config['server.nocolor_modes'])
1176 multi_line.replace BasicUserMessage.strip_formatting(multi_line)
1179 messages = Array.new
1180 case opts[:newlines]
1182 messages << [multi_line.gsub("\n", opts[:join_with])]
1184 multi_line.each_line { |line|
1186 next unless(line.size > 0)
1190 raise "Unknown :newlines option #{opts[:newlines]} while sending #{original_message.inspect}"
1193 # The IRC protocol requires that each raw message must be not longer
1194 # than 512 characters. From this length with have to subtract the EOL
1195 # terminators (CR+LF) and the length of ":botnick!botuser@bothost "
1196 # that will be prepended by the server to all of our messages.
1198 # The maximum raw message length we can send is therefore 512 - 2 - 2
1199 # minus the length of our hostmask.
1201 max_len = 508 - myself.fullform.size
1203 # On servers that support IDENTIFY-MSG, we have to subtract 1, because messages
1204 # will have a + or - prepended
1205 if server.capabilities[:"identify-msg"]
1209 # When splitting the message, we'll be prefixing the following string:
1210 # (e.g. "PRIVMSG #rbot :")
1211 fixed = "#{type} #{where} :"
1213 # And this is what's left
1214 left = max_len - fixed.size
1216 truncate = opts[:truncate_text]
1217 truncate = @default_send_options[:truncate_text] if truncate.size > left
1218 truncate = "" if truncate.size > left
1220 all_lines = messages.map { |line|
1224 case opts[:overlong]
1227 sub_lines = Array.new
1229 sub_lines << msg.slice!(0, left)
1231 lastspace = sub_lines.last.rindex(opts[:split_at])
1233 msg.replace sub_lines.last.slice!(lastspace, sub_lines.last.size) + msg
1234 msg.gsub!(/^#{opts[:split_at]}/, "") if opts[:purge_split]
1236 end until msg.empty?
1239 line.slice(0, left - truncate.size) << truncate
1241 raise "Unknown :overlong option #{opts[:overlong]} while sending #{original_message.inspect}"
1246 if opts[:max_lines] > 0 and all_lines.length > opts[:max_lines]
1247 lines = all_lines[0...opts[:max_lines]]
1248 new_last = lines.last.slice(0, left - truncate.size) << truncate
1249 lines.last.replace(new_last)
1255 sendq "#{fixed}#{line}", chan, ring
1256 delegate_sent(type, where, line)
1260 # queue an arbitraty message for the server
1261 def sendq(message="", chan=nil, ring=0)
1263 @socket.queue(message, chan, ring)
1266 # send a notice message to channel/nick +where+
1267 def notice(where, message, options={})
1268 return if where.kind_of?(Channel) and quiet_on?(where)
1269 sendmsg "NOTICE", where, message, options
1272 # say something (PRIVMSG) to channel/nick +where+
1273 def say(where, message, options={})
1274 return if where.kind_of?(Channel) and quiet_on?(where)
1275 sendmsg "PRIVMSG", where, message, options
1278 def ctcp_notice(where, command, message, options={})
1279 return if where.kind_of?(Channel) and quiet_on?(where)
1280 sendmsg "NOTICE", where, "\001#{command} #{message}\001", options
1283 def ctcp_say(where, command, message, options={})
1284 return if where.kind_of?(Channel) and quiet_on?(where)
1285 sendmsg "PRIVMSG", where, "\001#{command} #{message}\001", options
1288 # perform a CTCP action with message +message+ to channel/nick +where+
1289 def action(where, message, options={})
1290 ctcp_say(where, 'ACTION', message, options)
1293 # quick way to say "okay" (or equivalent) to +where+
1295 say where, @lang.get("okay")
1298 # set topic of channel +where+ to +topic+
1299 # can also be used to retrieve the topic of channel +where+
1300 # by omitting the last argument
1301 def topic(where, topic=nil)
1303 sendq "TOPIC #{where}", where, 2
1305 sendq "TOPIC #{where} :#{topic}", where, 2
1309 def disconnect(message=nil)
1310 message = @lang.get("quit") if (!message || message.empty?)
1311 if @socket.connected?
1313 debug "Clearing socket"
1315 debug "Sending quit message"
1316 @socket.emergency_puts "QUIT :#{message}"
1317 debug "Logging quits"
1318 delegate_sent('QUIT', myself, message)
1319 debug "Flushing socket"
1321 rescue SocketError => e
1322 error "error while disconnecting socket: #{e.pretty_inspect}"
1324 debug "Shutting down socket"
1331 # disconnect from the server and cleanup all plugins and modules
1332 def shutdown(message=nil)
1333 @quit_mutex.synchronize do
1334 debug "Shutting down: #{message}"
1335 ## No we don't restore them ... let everything run through
1337 # trap("SIGINT", "DEFAULT")
1338 # trap("SIGTERM", "DEFAULT")
1339 # trap("SIGHUP", "DEFAULT")
1341 # debug "failed to restore signals: #{e.inspect}\nProbably running on windows?"
1343 debug "\tdisconnecting..."
1345 debug "\tstopping timer..."
1347 debug "\tsaving ..."
1349 debug "\tcleaning up ..."
1350 @save_mutex.synchronize do
1354 debug "\tignoring cleanup error: #{$!}"
1357 # debug "\tstopping timers ..."
1359 # debug "Closing registries"
1361 debug "\t\tcleaning up the db environment ..."
1363 log "rbot quit (#{message})"
1367 # message:: optional IRC quit message
1368 # quit IRC, shutdown the bot
1369 def quit(message=nil)
1377 # totally shutdown and respawn the bot
1378 def restart(message=nil)
1379 message = _("restarting, back in %{wait}...") % {
1380 :wait => @config['server.reconnect_wait']
1381 } if (!message || message.empty?)
1383 sleep @config['server.reconnect_wait']
1386 # Note, this fails on Windows
1387 debug "going to exec #{$0} #{@argv.inspect} from #{@run_dir}"
1391 rescue Errno::ENOENT
1393 exec("ruby", *(@argv.unshift $0))
1394 rescue Exception => e
1400 # call the save method for all of the botmodules
1402 @save_mutex.synchronize do
1408 # call the rescan method for all of the botmodules
1410 debug "\tstopping timer..."
1412 @save_mutex.synchronize do
1419 # channel:: channel to join
1420 # key:: optional channel key if channel is +s
1422 def join(channel, key=nil)
1424 sendq "JOIN #{channel} :#{key}", channel, 2
1426 sendq "JOIN #{channel}", channel, 2
1431 def part(channel, message="")
1432 sendq "PART #{channel} :#{message}", channel, 2
1435 # attempt to change bot's nick to +name+
1437 sendq "NICK #{name}"
1441 def mode(channel, mode, target=nil)
1442 sendq "MODE #{channel} #{mode} #{target}", channel, 2
1446 def whois(nick, target=nil)
1447 sendq "WHOIS #{target} #{nick}", nil, 0
1451 def kick(channel, user, msg)
1452 sendq "KICK #{channel} #{user} :#{msg}", channel, 2
1455 # m:: message asking for help
1456 # topic:: optional topic help is requested for
1457 # respond to online help requests
1459 topic = nil if topic == ""
1462 helpstr = _("help topics: ")
1463 helpstr += @plugins.helptopics
1464 helpstr += _(" (help <topic> for more info)")
1466 unless(helpstr = @plugins.help(topic))
1467 helpstr = _("no help for topic %{topic}") % { :topic => topic }
1473 # returns a string describing the current status of the bot (uptime etc)
1475 secs_up = Time.new - @startup_time
1476 uptime = Utils.secs_to_string secs_up
1477 # return "Uptime #{uptime}, #{@plugins.length} plugins active, #{@registry.length} items stored in registry, #{@socket.lines_sent} lines sent, #{@socket.lines_received} received."
1478 return (_("Uptime %{up}, %{plug} plugins active, %{sent} lines sent, %{recv} received.") %
1480 :up => uptime, :plug => @plugins.length,
1481 :sent => @socket.lines_sent, :recv => @socket.lines_received
1485 # We want to respond to a hung server in a timely manner. If nothing was received
1486 # in the user-selected timeout and we haven't PINGed the server yet, we PING
1487 # the server. If the PONG is not received within the user-defined timeout, we
1488 # assume we're in ping timeout and act accordingly.
1490 act_timeout = @config['server.ping_timeout']
1491 return if act_timeout <= 0
1493 if @last_rec && now > @last_rec + act_timeout
1495 # No previous PING pending, send a new one
1497 @last_ping = Time.now
1499 diff = now - @last_ping
1500 if diff > act_timeout
1501 debug "no PONG from server in #{diff} seconds, reconnecting"
1502 # the actual reconnect is handled in the main loop:
1503 raise TimeoutError, "no PONG from server in #{diff} seconds"
1509 def stop_server_pings
1510 # cancel previous PINGs and reset time of last RECV
1517 # delegate sent messages
1518 def delegate_sent(type, where, message)
1519 args = [self, server, myself, server.user_or_channel(where.to_s), message]
1522 m = NoticeMessage.new(*args)
1524 m = PrivMessage.new(*args)
1526 m = QuitMessage.new(*args)
1527 m.was_on = myself.channels
1529 @plugins.delegate('sent', m)