13 $debug = false unless $debug
14 $daemonize = false unless $daemonize
16 $dateformat = "%Y/%m/%d %H:%M:%S"
17 $logger = Logger.new($stderr)
18 $logger.datetime_format = $dateformat
19 $logger.level = $cl_loglevel if defined? $cl_loglevel
20 $logger.level = 0 if $debug
22 $log_queue = Queue.new
27 unless Kernel.respond_to? :pretty_inspect
31 public :pretty_inspect
36 q.group(1, "#<%s: %s" % [self.class, self.message], ">") {
37 if self.backtrace and not self.backtrace.empty?
39 q.seplist(self.backtrace, lambda { q.text "\n" } ) { |l| q.text l }
45 class ServerError < RuntimeError
48 def rawlog(level, message=nil, who_pos=1)
50 if call_stack.length > who_pos
51 who = call_stack[who_pos].sub(%r{(?:.+)/([^/]+):(\d+)(:in .*)?}) { "#{$1}:#{$2}#{$3}" }
55 # Output each line. To distinguish between separate messages and multi-line
56 # messages originating at the same time, we blank #{who} after the first message
58 # Also, we output strings as-is but for other objects we use pretty_inspect
63 str = message.pretty_inspect rescue '?'
67 qmsg.push [level, l.chomp, who]
70 if level == Logger::Severity::ERROR or level == Logger::Severity::FATAL and not $daemonize
77 if $log_thread && $log_thread.alive?
86 def restart_logger(newlogger = false)
89 $logger = newlogger if newlogger
91 $log_thread = Thread.new do
93 while ls = $log_queue.pop
94 ls.each { |l| $logger.add(*l) }
101 def log_session_start
102 $logger << "\n\n=== #{botclass} session started on #{Time.now.strftime($dateformat)} ===\n\n"
107 $logger << "\n\n=== #{botclass} session ended on #{Time.now.strftime($dateformat)} ===\n\n"
111 def debug(message=nil, who_pos=1)
112 rawlog(Logger::Severity::DEBUG, message, who_pos)
115 def log(message=nil, who_pos=1)
116 rawlog(Logger::Severity::INFO, message, who_pos)
119 def warning(message=nil, who_pos=1)
120 rawlog(Logger::Severity::WARN, message, who_pos)
123 def error(message=nil, who_pos=1)
124 rawlog(Logger::Severity::ERROR, message, who_pos)
127 def fatal(message=nil, who_pos=1)
128 rawlog(Logger::Severity::FATAL, message, who_pos)
133 warning "warning test"
137 # The following global is used for the improved signal handling.
141 require 'rbot/rbotconfig'
145 log "rubygems unavailable"
148 require 'rbot/load-gettext'
149 require 'rbot/config'
152 require 'rbot/rfc2812'
153 require 'rbot/ircsocket'
154 require 'rbot/botuser'
156 require 'rbot/plugins'
157 require 'rbot/message'
158 require 'rbot/language'
162 # Main bot class, which manages the various components, receives messages,
163 # handles them or passes them to plugins, and contains core functionality.
165 COPYRIGHT_NOTICE = "(c) Tom Gilbert and the rbot development team"
166 SOURCE_URL = "http://ruby-rbot.org"
167 # the bot's Auth data
170 # the bot's Config data
173 # the botclass for this bot (determines configdir among other things)
174 attr_reader :botclass
176 # used to perform actions periodically (saves configuration once per minute
180 # synchronize with this mutex while touching permanent data files:
181 # saving, flushing, cleaning up ...
182 attr_reader :save_mutex
184 # bot's Language data
191 # bot's plugins. This is an instance of class Plugins
194 # bot's httputil helper object, for fetching resources via http. Sets up
195 # proxies etc as defined by the bot configuration/environment
196 attr_accessor :httputil
198 # server we are connected to
204 # bot User in the client/server connection
210 # bot nick in the client/server connection
215 # bot channels in the client/server connection
220 # nick wanted by the bot. This defaults to the irc.nick config value,
221 # but may be overridden by a manual !nick command
223 @wanted_nick || config['irc.nick']
226 # set the nick wanted by the bot
228 if wn.nil? or wn.to_s.downcase == config['irc.nick'].downcase
231 @wanted_nick = wn.to_s.dup
239 ret = self.to_s[0..-2]
240 ret << ' version=' << $version.inspect
241 ret << ' botclass=' << botclass.inspect
242 ret << ' lang="' << lang.language
247 ret << ' nick=' << nick.inspect
250 ret << (server.to_s + (socket ?
251 ' [' << socket.server_uri.to_s << ']' : '')).inspect
252 unless server.channels.empty?
254 ret << server.channels.map { |c|
255 "%s%s" % [c.modes_of(nick).map { |m|
256 server.prefix_for_mode(m)
263 ret << ' plugins=' << plugins.inspect
268 # create a new Bot with botclass +botclass+
269 def initialize(botclass, params = {})
270 # Config for the core bot
271 # TODO should we split socket stuff into ircsocket, etc?
272 Config.register Config::ArrayValue.new('server.list',
273 :default => ['irc://localhost'], :wizard => true,
274 :requires_restart => true,
275 :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.")
276 Config.register Config::BooleanValue.new('server.ssl',
277 :default => false, :requires_restart => true, :wizard => true,
278 :desc => "Use SSL to connect to this server?")
279 Config.register Config::BooleanValue.new('server.ssl_verify',
280 :default => false, :requires_restart => true,
281 :desc => "Verify the SSL connection?",
283 Config.register Config::StringValue.new('server.ssl_ca_file',
284 :default => default_ssl_ca_file, :requires_restart => true,
285 :desc => "The CA file used to verify the SSL connection.",
287 Config.register Config::StringValue.new('server.ssl_ca_path',
288 :default => '', :requires_restart => true,
289 :desc => "Alternativly a directory that includes CA PEM files used to verify the SSL connection.",
291 Config.register Config::StringValue.new('server.password',
292 :default => false, :requires_restart => true,
293 :desc => "Password for connecting to this server (if required)",
295 Config.register Config::StringValue.new('server.bindhost',
296 :default => false, :requires_restart => true,
297 :desc => "Specific local host or IP for the bot to bind to (if required)",
299 Config.register Config::IntegerValue.new('server.reconnect_wait',
300 :default => 5, :validate => Proc.new{|v| v >= 0},
301 :desc => "Seconds to wait before attempting to reconnect, on disconnect")
302 Config.register Config::IntegerValue.new('server.ping_timeout',
303 :default => 30, :validate => Proc.new{|v| v >= 0},
304 :desc => "reconnect if server doesn't respond to PING within this many seconds (set to 0 to disable)")
305 Config.register Config::ArrayValue.new('server.nocolor_modes',
306 :default => ['c'], :wizard => false,
307 :requires_restart => false,
308 :desc => "List of channel modes that require messages to be without colors")
310 Config.register Config::StringValue.new('irc.nick', :default => "rbot",
311 :desc => "IRC nickname the bot should attempt to use", :wizard => true,
312 :on_change => Proc.new{|bot, v| bot.sendq "NICK #{v}" })
313 Config.register Config::StringValue.new('irc.name',
314 :default => "Ruby bot", :requires_restart => true,
315 :desc => "IRC realname the bot should use")
316 Config.register Config::BooleanValue.new('irc.name_copyright',
317 :default => true, :requires_restart => true,
318 :desc => "Append copyright notice to bot realname? (please don't disable unless it's really necessary)")
319 Config.register Config::StringValue.new('irc.user', :default => "rbot",
320 :requires_restart => true,
321 :desc => "local user the bot should appear to be", :wizard => true)
322 Config.register Config::ArrayValue.new('irc.join_channels',
323 :default => [], :wizard => true,
324 :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'")
325 Config.register Config::ArrayValue.new('irc.ignore_users',
327 :desc => "Which users to ignore input from. This is mainly to avoid bot-wars triggered by creative people")
328 Config.register Config::ArrayValue.new('irc.ignore_channels',
330 :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)")
332 Config.register Config::IntegerValue.new('core.save_every',
333 :default => 60, :validate => Proc.new{|v| v >= 0},
334 :on_change => Proc.new { |bot, v|
337 @timer.reschedule(@save_timer, v)
338 @timer.unblock(@save_timer)
340 @timer.block(@save_timer)
344 @save_timer = @timer.add(v) { bot.save }
346 # Nothing to do when v == 0
349 :desc => "How often the bot should persist all configuration to disk (in case of a server crash, for example)")
351 Config.register Config::BooleanValue.new('core.run_as_daemon',
352 :default => false, :requires_restart => true,
353 :desc => "Should the bot run as a daemon?")
355 Config.register Config::StringValue.new('log.file',
356 :default => false, :requires_restart => true,
357 :desc => "Name of the logfile to which console messages will be redirected when the bot is run as a daemon")
358 Config.register Config::IntegerValue.new('log.level',
359 :default => 1, :requires_restart => false,
360 :validate => Proc.new { |v| (0..5).include?(v) },
361 :on_change => Proc.new { |bot, v|
364 :desc => "The minimum logging level (0=DEBUG,1=INFO,2=WARN,3=ERROR,4=FATAL) for console messages")
365 Config.register Config::IntegerValue.new('log.keep',
366 :default => 1, :requires_restart => true,
367 :validate => Proc.new { |v| v >= 0 },
368 :desc => "How many old console messages logfiles to keep")
369 Config.register Config::IntegerValue.new('log.max_size',
370 :default => 10, :requires_restart => true,
371 :validate => Proc.new { |v| v > 0 },
372 :desc => "Maximum console messages logfile size (in megabytes)")
374 Config.register Config::ArrayValue.new('plugins.path',
375 :wizard => true, :default => ['(default)', '(default)/games', '(default)/contrib'],
376 :requires_restart => false,
377 :on_change => Proc.new { |bot, v| bot.setup_plugins_path },
378 :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")
380 Config.register Config::EnumValue.new('send.newlines',
381 :values => ['split', 'join'], :default => 'split',
382 :on_change => Proc.new { |bot, v|
383 bot.set_default_send_options :newlines => v.to_sym
385 :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")
386 Config.register Config::StringValue.new('send.join_with',
388 :on_change => Proc.new { |bot, v|
389 bot.set_default_send_options :join_with => v.dup
391 :desc => "String used to replace newlines when send.newlines is set to join")
392 Config.register Config::IntegerValue.new('send.max_lines',
394 :validate => Proc.new { |v| v >= 0 },
395 :on_change => Proc.new { |bot, v|
396 bot.set_default_send_options :max_lines => v
398 :desc => "Maximum number of IRC lines to send for each message (set to 0 for no limit)")
399 Config.register Config::EnumValue.new('send.overlong',
400 :values => ['split', 'truncate'], :default => 'split',
401 :on_change => Proc.new { |bot, v|
402 bot.set_default_send_options :overlong => v.to_sym
404 :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")
405 Config.register Config::StringValue.new('send.split_at',
407 :on_change => Proc.new { |bot, v|
408 bot.set_default_send_options :split_at => Regexp.new(v)
410 :desc => "A regular expression that should match the split points for overlong messages (see send.overlong)")
411 Config.register Config::BooleanValue.new('send.purge_split',
413 :on_change => Proc.new { |bot, v|
414 bot.set_default_send_options :purge_split => v
416 :desc => "Set to true if the splitting boundary (set in send.split_at) should be removed when splitting overlong messages (see send.overlong)")
417 Config.register Config::StringValue.new('send.truncate_text',
418 :default => "#{Reverse}...#{Reverse}",
419 :on_change => Proc.new { |bot, v|
420 bot.set_default_send_options :truncate_text => v.dup
422 :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")
423 Config.register Config::IntegerValue.new('send.penalty_pct',
425 :validate => Proc.new { |v| v >= 0 },
426 :on_change => Proc.new { |bot, v|
427 bot.socket.penalty_pct = v
429 :desc => "Percentage of IRC penalty to consider when sending messages to prevent being disconnected for excess flood. Set to 0 to disable penalty control.")
430 Config.register Config::StringValue.new('core.db',
432 :wizard => true, :default => "dbm",
433 :validate => Proc.new { |v| ["dbm"].include? v },
434 :requires_restart => true,
435 :desc => "DB adaptor to use for storing the plugin data/registries. Options: dbm (included in ruby)")
437 @argv = params[:argv]
438 @run_dir = params[:run_dir] || Dir.pwd
440 unless FileTest.directory? Config::coredir
441 error "core directory '#{Config::coredir}' not found, did you setup.rb?"
445 unless FileTest.directory? Config::datadir
446 error "data directory '#{Config::datadir}' not found, did you setup.rb?"
450 unless botclass and not botclass.empty?
451 # We want to find a sensible default.
452 # * On POSIX systems we prefer ~/.rbot for the effective uid of the process
453 # * On Windows (at least the NT versions) we want to put our stuff in the
454 # Application Data folder.
455 # We don't use any particular O/S detection magic, exploiting the fact that
456 # Etc.getpwuid is nil on Windows
457 if Etc.getpwuid(Process::Sys.geteuid)
458 botclass = Etc.getpwuid(Process::Sys.geteuid)[:dir].dup
460 if ENV.has_key?('APPDATA')
461 botclass = ENV['APPDATA'].dup
462 botclass.gsub!("\\","/")
465 botclass = File.join(botclass, ".rbot")
467 botclass = File.expand_path(botclass)
468 @botclass = botclass.gsub(/\/$/, "")
470 repopulate_botclass_directory
472 registry_dir = File.join(@botclass, 'registry')
473 Dir.mkdir(registry_dir) unless File.exist?(registry_dir)
474 unless FileTest.directory? registry_dir
475 error "registry storage location #{registry_dir} is not a directory"
478 save_dir = File.join(@botclass, 'safe_save')
479 Dir.mkdir(save_dir) unless File.exist?(save_dir)
480 unless FileTest.directory? save_dir
481 error "safe save location #{save_dir} is not a directory"
485 # Time at which the last PING was sent
487 # Time at which the last line was RECV'd from the server
490 @startup_time = Time.new
493 @config = Config.manager
494 @config.bot_associate(self)
495 rescue Exception => e
501 if @config['core.run_as_daemon']
505 case @config["core.db"]
507 require 'rbot/registry/dbm'
509 raise _("Unknown DB adaptor: %s") % @config["core.db"]
512 @logfile = @config['log.file']
513 if @logfile.class!=String || @logfile.empty?
514 logfname = File.basename(botclass).gsub(/^\.+/,'')
516 @logfile = File.join(botclass, logfname)
517 debug "Using `#{@logfile}' as debug log"
520 # See http://blog.humlab.umu.se/samuel/archives/000107.html
521 # for the backgrounding code
527 rescue NotImplementedError
528 warning "Could not background, fork not supported"
531 rescue Exception => e
532 warning "Could not background. #{e.pretty_inspect}"
535 # File.umask 0000 # Ensure sensible umask. Adjust as needed.
538 logger = Logger.new(@logfile,
540 @config['log.max_size']*1024*1024)
541 logger.datetime_format= $dateformat
542 logger.level = @config['log.level']
543 logger.level = $cl_loglevel if defined? $cl_loglevel
544 logger.level = 0 if $debug
546 restart_logger(logger)
551 log "Redirecting standard input/output/error"
552 [$stdin, $stdout, $stderr].each do |fd|
554 fd.reopen "/dev/null"
556 # On Windows, there's not such thing as /dev/null
561 def $stdout.write(str=nil)
565 def $stdout.write(str=nil)
566 if str.to_s.match(/:\d+: warning:/)
575 File.open($opts['pidfile'] || File.join(@botclass, 'rbot.pid'), 'w') do |pf|
580 @save_mutex = Mutex.new
581 if @config['core.save_every'] > 0
582 @save_timer = @timer.add(@config['core.save_every']) { save }
586 @quit_mutex = Mutex.new
589 @lang = Language.new(self, @config['core.language'])
592 @auth = Auth::manager
593 @auth.bot_associate(self)
594 # @auth.load("#{botclass}/botusers.yaml")
595 rescue Exception => e
600 @auth.everyone.set_default_permission("*", true)
601 @auth.botowner.password= @config['auth.password']
603 @plugins = Plugins::manager
604 @plugins.bot_associate(self)
607 if @config['server.name']
608 debug "upgrading configuration (server.name => server.list)"
609 srv_uri = 'irc://' + @config['server.name']
610 srv_uri += ":#{@config['server.port']}" if @config['server.port']
611 @config.items['server.list'.to_sym].set_string(srv_uri)
612 @config.delete('server.name'.to_sym)
613 @config.delete('server.port'.to_sym)
614 debug "server.list is now #{@config['server.list'].inspect}"
617 @socket = Irc::Socket.new(@config['server.list'], @config['server.bindhost'],
618 :ssl => @config['server.ssl'],
619 :ssl_verify => @config['server.ssl_verify'],
620 :ssl_ca_file => @config['server.ssl_ca_file'],
621 :ssl_ca_path => @config['server.ssl_ca_path'],
622 :penalty_pct => @config['send.penalty_pct'])
627 # Channels where we are quiet
628 # Array of channels names where the bot should be quiet
629 # '*' means all channels
632 # but we always speak here
635 # the nick we want, if it's different from the irc.nick config value
636 # (e.g. as set by a !nick command)
639 @client[:welcome] = proc {|data|
640 m = WelcomeMessage.new(self, server, data[:source], data[:target], data[:message])
642 @plugins.delegate("welcome", m)
643 @plugins.delegate("connect")
646 # TODO the next two @client should go into rfc2812.rb, probably
647 # Since capabs are two-steps processes, server.supports[:capab]
648 # should be a three-state: nil, [], [....]
649 asked_for = { :"identify-msg" => false }
650 @client[:isupport] = proc { |data|
651 if server.supports[:capab] and !asked_for[:"identify-msg"]
652 sendq "CAPAB IDENTIFY-MSG"
653 asked_for[:"identify-msg"] = true
656 @client[:datastr] = proc { |data|
657 if data[:text] == "IDENTIFY-MSG"
658 server.capabilities[:"identify-msg"] = true
660 debug "Not handling RPL_DATASTR #{data[:servermessage]}"
664 @client[:privmsg] = proc { |data|
665 m = PrivMessage.new(self, server, data[:source], data[:target], data[:message], :handle_id => true)
666 # debug "Message source is #{data[:source].inspect}"
667 # debug "Message target is #{data[:target].inspect}"
668 # debug "Bot is #{myself.inspect}"
670 @config['irc.ignore_channels'].each { |channel|
671 if m.target.downcase == channel.downcase
676 @config['irc.ignore_users'].each { |mask|
677 if m.source.matches?(server.new_netmask(mask))
683 @plugins.irc_delegate('privmsg', m)
685 @client[:notice] = proc { |data|
686 message = NoticeMessage.new(self, server, data[:source], data[:target], data[:message], :handle_id => true)
687 # pass it off to plugins that want to hear everything
688 @plugins.irc_delegate "notice", message
690 @client[:motd] = proc { |data|
691 m = MotdMessage.new(self, server, data[:source], data[:target], data[:motd])
692 @plugins.delegate "motd", m
694 @client[:nicktaken] = proc { |data|
695 new = "#{data[:nick]}_"
697 # If we're setting our nick at connection because our choice was taken,
698 # we have to fix our nick manually, because there will be no NICK message
699 # to inform us that our nick has been changed.
700 if data[:target] == '*'
701 debug "setting my connection nick to #{new}"
704 @plugins.delegate "nicktaken", data[:nick]
706 @client[:badnick] = proc {|data|
707 warning "bad nick (#{data[:nick]})"
709 @client[:ping] = proc {|data|
710 sendq "PONG #{data[:pingid]}"
712 @client[:pong] = proc {|data|
715 @client[:nick] = proc {|data|
716 # debug "Message source is #{data[:source].inspect}"
717 # debug "Bot is #{myself.inspect}"
718 source = data[:source]
721 m = NickMessage.new(self, server, source, old, new)
722 m.is_on = data[:is_on]
724 debug "my nick is now #{new}"
726 @plugins.irc_delegate("nick", m)
728 @client[:quit] = proc {|data|
729 source = data[:source]
730 message = data[:message]
731 m = QuitMessage.new(self, server, source, source, message)
732 m.was_on = data[:was_on]
733 @plugins.irc_delegate("quit", m)
735 @client[:mode] = proc {|data|
736 m = ModeChangeMessage.new(self, server, data[:source], data[:target], data[:modestring])
737 m.modes = data[:modes]
738 @plugins.delegate "modechange", m
740 @client[:whois] = proc {|data|
741 source = data[:source]
742 target = server.get_user(data[:whois][:nick])
743 m = WhoisMessage.new(self, server, source, target, data[:whois])
744 @plugins.delegate "whois", m
746 @client[:list] = proc {|data|
747 source = data[:source]
748 m = ListMessage.new(self, server, source, source, data[:list])
749 @plugins.delegate "irclist", m
751 @client[:join] = proc {|data|
752 m = JoinMessage.new(self, server, data[:source], data[:channel], data[:message])
753 sendq("MODE #{data[:channel]}", nil, 0) if m.address?
754 @plugins.irc_delegate("join", m)
755 sendq("WHO #{data[:channel]}", data[:channel], 2) if m.address?
757 @client[:part] = proc {|data|
758 m = PartMessage.new(self, server, data[:source], data[:channel], data[:message])
759 @plugins.irc_delegate("part", m)
761 @client[:kick] = proc {|data|
762 m = KickMessage.new(self, server, data[:source], data[:target], data[:channel],data[:message])
763 @plugins.irc_delegate("kick", m)
765 @client[:invite] = proc {|data|
766 m = InviteMessage.new(self, server, data[:source], data[:target], data[:channel])
767 @plugins.irc_delegate("invite", m)
769 @client[:changetopic] = proc {|data|
770 m = TopicMessage.new(self, server, data[:source], data[:channel], data[:topic])
772 @plugins.irc_delegate("topic", m)
774 # @client[:topic] = proc { |data|
775 # irclog "@ Topic is \"#{data[:topic]}\"", data[:channel]
777 @client[:topicinfo] = proc { |data|
778 channel = data[:channel]
779 topic = channel.topic
780 m = TopicMessage.new(self, server, data[:source], channel, topic)
781 m.info_or_set = :info
782 @plugins.irc_delegate("topic", m)
784 @client[:names] = proc { |data|
785 m = NamesMessage.new(self, server, server, data[:channel])
786 m.users = data[:users]
787 @plugins.delegate "names", m
789 @client[:banlist] = proc { |data|
790 m = BanlistMessage.new(self, server, server, data[:channel])
792 @plugins.delegate "banlist", m
794 @client[:nosuchtarget] = proc { |data|
795 m = NoSuchTargetMessage.new(self, server, server, data[:target], data[:message])
796 @plugins.delegate "nosuchtarget", m
798 @client[:error] = proc { |data|
799 raise ServerError, data[:message]
801 @client[:unknown] = proc { |data|
802 #debug "UNKNOWN: #{data[:serverstring]}"
803 m = UnknownMessage.new(self, server, server, nil, data[:serverstring])
804 @plugins.delegate "unknown_message", m
807 set_default_send_options :newlines => @config['send.newlines'].to_sym,
808 :join_with => @config['send.join_with'].dup,
809 :max_lines => @config['send.max_lines'],
810 :overlong => @config['send.overlong'].to_sym,
811 :split_at => Regexp.new(@config['send.split_at']),
812 :purge_split => @config['send.purge_split'],
813 :truncate_text => @config['send.truncate_text'].dup
818 # Determine (if possible) a valid path to a CA certificate bundle.
819 def default_ssl_ca_file
820 [ '/etc/ssl/certs/ca-certificates.crt', # Ubuntu/Debian
821 '/etc/ssl/certs/ca-bundle.crt', # Amazon Linux
822 '/etc/ssl/ca-bundle.pem', # OpenSUSE
823 '/etc/pki/tls/certs/ca-bundle.crt' # Fedora/RHEL
829 def repopulate_botclass_directory
830 template_dir = File.join Config::datadir, 'templates'
831 if FileTest.directory? @botclass
832 # compare the templates dir with the current botclass dir, filling up the
833 # latter with any missing file. Sadly, FileUtils.cp_r doesn't have an
834 # :update option, so we have to do it manually.
835 # Note that we use the */** pattern because we don't want to match
836 # keywords.rbot, which gets deleted on load and would therefore be missing
838 missing = Dir.chdir(template_dir) { Dir.glob('*/**') } - Dir.chdir(@botclass) { Dir.glob('*/**') }
840 dest = File.join(@botclass, f)
841 FileUtils.mkdir_p(File.dirname(dest))
842 FileUtils.cp File.join(template_dir, f), dest
845 log "no #{@botclass} directory found, creating from templates..."
846 if FileTest.exist? @botclass
847 error "file #{@botclass} exists but isn't a directory"
850 FileUtils.cp_r template_dir, @botclass
854 # Return a path under the current botclass by joining the mentioned
855 # components. The components are automatically converted to String
856 def path(*components)
857 File.join(@botclass, *(components.map {|c| c.to_s}))
860 def setup_plugins_path
861 plugdir_default = File.join(Config::datadir, 'plugins')
862 plugdir_local = File.join(@botclass, 'plugins')
863 Dir.mkdir(plugdir_local) unless File.exist?(plugdir_local)
865 @plugins.clear_botmodule_dirs
866 @plugins.add_core_module_dir(File.join(Config::coredir, 'utils'))
867 @plugins.add_core_module_dir(Config::coredir)
868 if FileTest.directory? plugdir_local
869 @plugins.add_plugin_dir(plugdir_local)
871 warning "local plugin location #{plugdir_local} is not a directory"
874 @config['plugins.path'].each do |_|
875 path = _.sub(/^\(default\)/, plugdir_default)
876 @plugins.add_plugin_dir(path)
880 def set_default_send_options(opts={})
881 # Default send options for NOTICE and PRIVMSG
882 unless defined? @default_send_options
883 @default_send_options = {
884 :queue_channel => nil, # use default queue channel
885 :queue_ring => nil, # use default queue ring
886 :newlines => :split, # or :join
887 :join_with => ' ', # by default, use a single space
888 :max_lines => 0, # maximum number of lines to send with a single command
889 :overlong => :split, # or :truncate
890 # TODO an array of splitpoints would be preferrable for this option:
891 :split_at => /\s+/, # by default, split overlong lines at whitespace
892 :purge_split => true, # should the split string be removed?
893 :truncate_text => "#{Reverse}...#{Reverse}" # text to be appened when truncating
896 @default_send_options.update opts unless opts.empty?
899 # checks if we should be quiet on a channel
900 def quiet_on?(channel)
901 ch = channel.downcase
902 return (@quiet.include?('*') && !@not_quiet.include?(ch)) || @quiet.include?(ch)
905 def set_quiet(channel = nil)
907 ch = channel.downcase.dup
908 @not_quiet.delete(ch)
917 def reset_quiet(channel = nil)
919 ch = channel.downcase.dup
928 # things to do when we receive a signal
929 def handle_signal(sig)
938 debug "received #{sig}, queueing #{func}"
939 # this is not an interruption if we just need to reconnect
940 $interrupted += 1 unless func == :reconnect
941 self.send(func) unless @quit_mutex.locked?
942 debug "interrupted #{$interrupted} times"
953 %w(SIGINT SIGTERM SIGHUP SIGUSR1).each do |sig|
954 trap(sig) { Thread.new { handle_signal sig } }
956 rescue ArgumentError => e
957 debug "failed to trap signals (#{e.pretty_inspect}): running on Windows?"
958 rescue Exception => e
959 debug "failed to trap signals: #{e.pretty_inspect}"
963 # connect the bot to IRC
965 # make sure we don't have any spurious ping checks running
966 # (and initialize the vars if this is the first time we connect)
969 quit if $interrupted > 0
972 rescue Exception => e
973 uri = @socket.server_uri || '<unknown>'
974 error "failed to connect to IRC server at #{uri}"
978 quit if $interrupted > 0
980 realname = @config['irc.name'].clone || 'Ruby bot'
981 realname << ' ' + COPYRIGHT_NOTICE if @config['irc.name_copyright']
983 @socket.emergency_puts "PASS " + @config['server.password'] if @config['server.password']
984 @socket.emergency_puts "NICK #{@config['irc.nick']}\nUSER #{@config['irc.user']} 4 #{@socket.server_uri.host} :#{realname}"
985 quit if $interrupted > 0
986 myself.nick = @config['irc.nick']
987 myself.user = @config['irc.user']
990 # disconnect the bot from IRC, if connected, and then connect (again)
991 def reconnect(message=nil, too_fast=0)
992 # we will wait only if @last_rec was not nil, i.e. if we were connected or
993 # got disconnected by a network error
994 # if someone wants to manually call disconnect() _and_ reconnect(), they
995 # will have to take care of the waiting themselves
996 will_wait = !!@last_rec
998 if @socket.connected?
1004 log "\n\nDisconnected\n\n"
1006 quit if $interrupted > 0
1008 log "\n\nWaiting to reconnect\n\n"
1009 sleep @config['server.reconnect_wait']
1011 tf = too_fast*@config['server.reconnect_wait']
1012 tfu = Utils.secs_to_string(tf)
1013 log "Will sleep for an extra #{tf}s (#{tfu})"
1022 rescue Exception => e
1029 # begin event handling loop
1034 valid_recv = false # did we receive anything (valid) from the server yet?
1036 reconnect(quit_msg, too_fast)
1037 quit if $interrupted > 0
1039 while @socket.connected?
1040 quit if $interrupted > 0
1042 # Wait for messages and process them as they arrive. If nothing is
1043 # received, we call the ping_server() method that will PING the
1044 # server if appropriate, or raise a TimeoutError if no PONG has been
1045 # received in the user-chosen timeout since the last PING sent.
1046 if @socket.select(1)
1047 break unless reply = @socket.gets
1048 @last_rec = Time.now
1049 @client.process reply
1057 # I despair of this. Some of my users get "connection reset by peer"
1058 # exceptions that ARENT SocketError's. How am I supposed to handle
1063 rescue Errno::ETIMEDOUT, Errno::ECONNABORTED, TimeoutError, SocketError => e
1064 error "network exception: #{e.pretty_inspect}"
1066 too_fast += 10 if valid_recv
1067 rescue ServerMessageParseError => e
1068 # if the bot tried reconnecting too often, we can get forcefully
1069 # disconnected by the server, while still receiving an empty message
1070 # wait at least 10 minutes in this case
1073 too_fast = [too_fast, 300].max
1075 log "Empty message from server, extra delay multiplier #{oldtf} -> #{too_fast}"
1077 quit_msg = "Unparseable Server Message: #{e.message.inspect}"
1079 rescue ServerError => e
1080 quit_msg = "server ERROR: " + e.message
1082 idx = e.message.index("connect too fast")
1083 debug "'connect too fast' @ #{idx}"
1086 too_fast += (idx+1)*2
1087 log "Reconnecting too fast, extra delay multiplier #{oldtf} -> #{too_fast}"
1089 idx = e.message.index(/a(uto)kill/i)
1090 debug "'autokill' @ #{idx}"
1092 # we got auto-killed. since we don't have an easy way to tell
1093 # if it's permanent or temporary, we just set a rather high
1094 # reconnection timeout
1096 too_fast += (idx+1)*5
1097 log "Killed by server, extra delay multiplier #{oldtf} -> #{too_fast}"
1100 rescue Exception => e
1101 error "non-net exception: #{e.pretty_inspect}"
1104 fatal "unexpected exception: #{e.pretty_inspect}"
1111 # type:: message type
1112 # where:: message target
1113 # message:: message text
1114 # send message +message+ of type +type+ to target +where+
1115 # Type can be PRIVMSG, NOTICE, etc, but those you should really use the
1116 # relevant say() or notice() methods. This one should be used for IRCd
1117 # extensions you want to use in modules.
1118 def sendmsg(original_type, original_where, original_message, options={})
1120 # filter message with sendmsg filters
1121 ds = DataStream.new original_message.to_s.dup,
1122 :type => original_type, :dest => original_where,
1123 :options => @default_send_options.merge(options)
1124 filters = filter_names(:sendmsg)
1125 filters.each do |fname|
1126 debug "filtering #{ds[:text]} with sendmsg filter #{fname}"
1127 ds.merge! filter(self.global_filter_name(fname, :sendmsg), ds)
1133 filtered = ds[:text]
1135 # For starters, set up appropriate queue channels and rings
1136 mchan = opts[:queue_channel]
1137 mring = opts[:queue_ring]
1154 multi_line = filtered.gsub(/[\r\n]+/, "\n")
1156 # if target is a channel with nocolor modes, strip colours
1157 if where.kind_of?(Channel) and where.mode.any?(*config['server.nocolor_modes'])
1158 multi_line.replace BasicUserMessage.strip_formatting(multi_line)
1161 messages = Array.new
1162 case opts[:newlines]
1164 messages << [multi_line.gsub("\n", opts[:join_with])]
1166 multi_line.each_line { |line|
1168 next unless(line.size > 0)
1172 raise "Unknown :newlines option #{opts[:newlines]} while sending #{original_message.inspect}"
1175 # The IRC protocol requires that each raw message must be not longer
1176 # than 512 characters. From this length with have to subtract the EOL
1177 # terminators (CR+LF) and the length of ":botnick!botuser@bothost "
1178 # that will be prepended by the server to all of our messages.
1180 # The maximum raw message length we can send is therefore 512 - 2 - 2
1181 # minus the length of our hostmask.
1183 max_len = 508 - myself.fullform.size
1185 # On servers that support IDENTIFY-MSG, we have to subtract 1, because messages
1186 # will have a + or - prepended
1187 if server.capabilities[:"identify-msg"]
1191 # When splitting the message, we'll be prefixing the following string:
1192 # (e.g. "PRIVMSG #rbot :")
1193 fixed = "#{type} #{where} :"
1195 # And this is what's left
1196 left = max_len - fixed.size
1198 truncate = opts[:truncate_text]
1199 truncate = @default_send_options[:truncate_text] if truncate.size > left
1200 truncate = "" if truncate.size > left
1202 all_lines = messages.map { |line|
1206 case opts[:overlong]
1209 sub_lines = Array.new
1211 sub_lines << msg.slice!(0, left)
1213 lastspace = sub_lines.last.rindex(opts[:split_at])
1215 msg.replace sub_lines.last.slice!(lastspace, sub_lines.last.size) + msg
1216 msg.gsub!(/^#{opts[:split_at]}/, "") if opts[:purge_split]
1218 end until msg.empty?
1221 line.slice(0, left - truncate.size) << truncate
1223 raise "Unknown :overlong option #{opts[:overlong]} while sending #{original_message.inspect}"
1228 if opts[:max_lines] > 0 and all_lines.length > opts[:max_lines]
1229 lines = all_lines[0...opts[:max_lines]]
1230 new_last = lines.last.slice(0, left - truncate.size) << truncate
1231 lines.last.replace(new_last)
1237 sendq "#{fixed}#{line}", chan, ring
1238 delegate_sent(type, where, line)
1242 # queue an arbitraty message for the server
1243 def sendq(message="", chan=nil, ring=0)
1245 @socket.queue(message, chan, ring)
1248 # send a notice message to channel/nick +where+
1249 def notice(where, message, options={})
1250 return if where.kind_of?(Channel) and quiet_on?(where)
1251 sendmsg "NOTICE", where, message, options
1254 # say something (PRIVMSG) to channel/nick +where+
1255 def say(where, message, options={})
1256 return if where.kind_of?(Channel) and quiet_on?(where)
1257 sendmsg "PRIVMSG", where, message, options
1260 def ctcp_notice(where, command, message, options={})
1261 return if where.kind_of?(Channel) and quiet_on?(where)
1262 sendmsg "NOTICE", where, "\001#{command} #{message}\001", options
1265 def ctcp_say(where, command, message, options={})
1266 return if where.kind_of?(Channel) and quiet_on?(where)
1267 sendmsg "PRIVMSG", where, "\001#{command} #{message}\001", options
1270 # perform a CTCP action with message +message+ to channel/nick +where+
1271 def action(where, message, options={})
1272 ctcp_say(where, 'ACTION', message, options)
1275 # quick way to say "okay" (or equivalent) to +where+
1277 say where, @lang.get("okay")
1280 # set topic of channel +where+ to +topic+
1281 # can also be used to retrieve the topic of channel +where+
1282 # by omitting the last argument
1283 def topic(where, topic=nil)
1285 sendq "TOPIC #{where}", where, 2
1287 sendq "TOPIC #{where} :#{topic}", where, 2
1291 def disconnect(message=nil)
1292 message = @lang.get("quit") if (!message || message.empty?)
1293 if @socket.connected?
1295 debug "Clearing socket"
1297 debug "Sending quit message"
1298 @socket.emergency_puts "QUIT :#{message}"
1299 debug "Logging quits"
1300 delegate_sent('QUIT', myself, message)
1301 debug "Flushing socket"
1303 rescue SocketError => e
1304 error "error while disconnecting socket: #{e.pretty_inspect}"
1306 debug "Shutting down socket"
1313 # disconnect from the server and cleanup all plugins and modules
1314 def shutdown(message=nil)
1315 @quit_mutex.synchronize do
1316 debug "Shutting down: #{message}"
1317 ## No we don't restore them ... let everything run through
1319 # trap("SIGINT", "DEFAULT")
1320 # trap("SIGTERM", "DEFAULT")
1321 # trap("SIGHUP", "DEFAULT")
1323 # debug "failed to restore signals: #{e.inspect}\nProbably running on windows?"
1325 debug "\tdisconnecting..."
1327 debug "\tstopping timer..."
1329 debug "\tsaving ..."
1331 debug "\tcleaning up ..."
1332 @save_mutex.synchronize do
1336 debug "\tignoring cleanup error: #{$!}"
1339 # debug "\tstopping timers ..."
1341 # debug "Closing registries"
1343 log "rbot quit (#{message})"
1347 # message:: optional IRC quit message
1348 # quit IRC, shutdown the bot
1349 def quit(message=nil)
1357 # totally shutdown and respawn the bot
1358 def restart(message=nil)
1359 message = _("restarting, back in %{wait}...") % {
1360 :wait => @config['server.reconnect_wait']
1361 } if (!message || message.empty?)
1363 sleep @config['server.reconnect_wait']
1366 # Note, this fails on Windows
1367 debug "going to exec #{$0} #{@argv.inspect} from #{@run_dir}"
1371 rescue Errno::ENOENT
1373 exec("ruby", *(@argv.unshift $0))
1374 rescue Exception => e
1380 # call the save method for all of the botmodules
1382 @save_mutex.synchronize do
1387 # call the rescan method for all of the botmodules
1389 debug "\tstopping timer..."
1391 @save_mutex.synchronize do
1398 # channel:: channel to join
1399 # key:: optional channel key if channel is +s
1401 def join(channel, key=nil)
1403 sendq "JOIN #{channel} :#{key}", channel, 2
1405 sendq "JOIN #{channel}", channel, 2
1410 def part(channel, message="")
1411 sendq "PART #{channel} :#{message}", channel, 2
1414 # attempt to change bot's nick to +name+
1416 sendq "NICK #{name}"
1420 def mode(channel, mode, target=nil)
1421 sendq "MODE #{channel} #{mode} #{target}", channel, 2
1425 def whois(nick, target=nil)
1426 sendq "WHOIS #{target} #{nick}", nil, 0
1430 def kick(channel, user, msg)
1431 sendq "KICK #{channel} #{user} :#{msg}", channel, 2
1434 # m:: message asking for help
1435 # topic:: optional topic help is requested for
1436 # respond to online help requests
1438 topic = nil if topic == ""
1441 helpstr = _("help topics: ")
1442 helpstr += @plugins.helptopics
1443 helpstr += _(" (help <topic> for more info)")
1445 unless(helpstr = @plugins.help(topic))
1446 helpstr = _("no help for topic %{topic}") % { :topic => topic }
1452 # returns a string describing the current status of the bot (uptime etc)
1454 secs_up = Time.new - @startup_time
1455 uptime = Utils.secs_to_string secs_up
1456 # return "Uptime #{uptime}, #{@plugins.length} plugins active, #{@registry.length} items stored in registry, #{@socket.lines_sent} lines sent, #{@socket.lines_received} received."
1457 return (_("Uptime %{up}, %{plug} plugins active, %{sent} lines sent, %{recv} received.") %
1459 :up => uptime, :plug => @plugins.length,
1460 :sent => @socket.lines_sent, :recv => @socket.lines_received
1464 # We want to respond to a hung server in a timely manner. If nothing was received
1465 # in the user-selected timeout and we haven't PINGed the server yet, we PING
1466 # the server. If the PONG is not received within the user-defined timeout, we
1467 # assume we're in ping timeout and act accordingly.
1469 act_timeout = @config['server.ping_timeout']
1470 return if act_timeout <= 0
1472 if @last_rec && now > @last_rec + act_timeout
1474 # No previous PING pending, send a new one
1476 @last_ping = Time.now
1478 diff = now - @last_ping
1479 if diff > act_timeout
1480 debug "no PONG from server in #{diff} seconds, reconnecting"
1481 # the actual reconnect is handled in the main loop:
1482 raise TimeoutError, "no PONG from server in #{diff} seconds"
1488 def stop_server_pings
1489 # cancel previous PINGs and reset time of last RECV
1496 # delegate sent messages
1497 def delegate_sent(type, where, message)
1498 args = [self, server, myself, server.user_or_channel(where.to_s), message]
1501 m = NoticeMessage.new(*args)
1503 m = PrivMessage.new(*args)
1505 m = QuitMessage.new(*args)
1506 m.was_on = myself.channels
1508 @plugins.delegate('sent', m)