5 $debug = false unless $debug
6 # print +message+ if debugging is enabled
8 print "DEBUG: #{message}\n" if($debug && message)
13 require 'rbot/rbotconfig'
17 require 'rbot/rfc2812'
18 require 'rbot/keywords'
19 require 'rbot/ircsocket'
22 require 'rbot/plugins'
23 require 'rbot/channel'
24 require 'rbot/message'
25 require 'rbot/language'
27 require 'rbot/registry'
28 require 'rbot/httputil'
32 # Main bot class, which manages the various components, receives messages,
33 # handles them or passes them to plugins, and contains core functionality.
35 # the bot's current nickname
38 # the bot's IrcAuth data
41 # the bot's BotConfig data
44 # the botclass for this bot (determines configdir among other things)
47 # used to perform actions periodically (saves configuration once per minute
54 # bot's configured addressing prefixes
55 attr_reader :addressing_prefixes
57 # channel info for channels the bot is in
63 # bot's object registry, plugins get an interface to this for persistant
64 # storage (hash interface tied to a bdb file, plugins use Accessors to store
65 # and restore objects in their own namespaces.)
68 # bot's httputil help object, for fetching resources via http. Sets up
69 # proxies etc as defined by the bot configuration/environment
72 # create a new IrcBot with botclass +botclass+
73 def initialize(botclass, params = {})
74 # BotConfig for the core bot
75 BotConfig.register BotConfigStringValue.new('server.name',
76 :default => "localhost", :requires_restart => true,
77 :desc => "What server should the bot connect to?",
79 BotConfig.register BotConfigIntegerValue.new('server.port',
80 :default => 6667, :type => :integer, :requires_restart => true,
81 :desc => "What port should the bot connect to?",
82 :validate => Proc.new {|v| v > 0}, :wizard => true)
83 BotConfig.register BotConfigStringValue.new('server.password',
84 :default => false, :requires_restart => true,
85 :desc => "Password for connecting to this server (if required)",
87 BotConfig.register BotConfigStringValue.new('server.bindhost',
88 :default => false, :requires_restart => true,
89 :desc => "Specific local host or IP for the bot to bind to (if required)",
91 BotConfig.register BotConfigIntegerValue.new('server.reconnect_wait',
92 :default => 5, :validate => Proc.new{|v| v >= 0},
93 :desc => "Seconds to wait before attempting to reconnect, on disconnect")
94 BotConfig.register BotConfigStringValue.new('irc.nick', :default => "rbot",
95 :desc => "IRC nickname the bot should attempt to use", :wizard => true,
96 :on_change => Proc.new{|bot, v| bot.sendq "NICK #{v}" })
97 BotConfig.register BotConfigStringValue.new('irc.user', :default => "rbot",
98 :requires_restart => true,
99 :desc => "local user the bot should appear to be", :wizard => true)
100 BotConfig.register BotConfigArrayValue.new('irc.join_channels',
101 :default => [], :wizard => true,
102 :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'")
103 BotConfig.register BotConfigIntegerValue.new('core.save_every',
104 :default => 60, :validate => Proc.new{|v| v >= 0},
105 # TODO change timer via on_change proc
106 :desc => "How often the bot should persist all configuration to disk (in case of a server crash, for example")
107 BotConfig.register BotConfigFloatValue.new('server.sendq_delay',
108 :default => 2.0, :validate => Proc.new{|v| v >= 0},
109 :desc => "(flood prevention) the delay between sending messages to the server (in seconds)",
110 :on_change => Proc.new {|bot, v| bot.socket.sendq_delay = v })
111 BotConfig.register BotConfigIntegerValue.new('server.sendq_burst',
112 :default => 4, :validate => Proc.new{|v| v >= 0},
113 :desc => "(flood prevention) max lines to burst to the server before throttling. Most ircd's allow bursts of up 5 lines, with non-burst limits of 512 bytes/2 seconds",
114 :on_change => Proc.new {|bot, v| bot.socket.sendq_burst = v })
116 @argv = params[:argv]
118 unless FileTest.directory? Config::datadir
119 puts "data directory '#{Config::datadir}' not found, did you setup.rb?"
123 #botclass = "#{Etc.getpwnam(Etc.getlogin).dir}/.rbot" unless botclass
124 botclass = "#{ENV['HOME']}/.rbot" unless botclass
125 @botclass = botclass.gsub(/\/$/, "")
127 unless FileTest.directory? botclass
128 puts "no #{botclass} directory found, creating from templates.."
129 if FileTest.exist? botclass
130 puts "Error: file #{botclass} exists but isn't a directory"
133 FileUtils.cp_r Config::datadir+'/templates', botclass
136 Dir.mkdir("#{botclass}/logs") unless File.exist?("#{botclass}/logs")
138 @startup_time = Time.new
139 @config = BotConfig.new(self)
140 # TODO background self after botconfig has a chance to run wizard
141 @timer = Timer::Timer.new(1.0) # only need per-second granularity
142 @registry = BotRegistry.new self
143 @timer.add(@config['core.save_every']) { save } if @config['core.save_every']
147 @httputil = Utils::HttpUtil.new(self)
148 @lang = Language::Language.new(@config['core.language'])
149 @keywords = Keywords.new(self)
150 @auth = IrcAuth.new(self)
152 Dir.mkdir("#{botclass}/plugins") unless File.exist?("#{botclass}/plugins")
153 @plugins = Plugins::Plugins.new(self, ["#{botclass}/plugins"])
155 @socket = IrcSocket.new(@config['server.name'], @config['server.port'], @config['server.bindhost'], @config['server.sendq_delay'], @config['server.sendq_burst'])
156 @nick = @config['irc.nick']
158 @client = IrcClient.new
159 @client[:privmsg] = proc { |data|
160 message = PrivMessage.new(self, data[:source], data[:target], data[:message])
163 @client[:notice] = proc { |data|
164 message = NoticeMessage.new(self, data[:source], data[:target], data[:message])
165 # pass it off to plugins that want to hear everything
166 @plugins.delegate "listen", message
168 @client[:motd] = proc { |data|
169 data[:motd].each_line { |line|
170 log "MOTD: #{line}", "server"
173 @client[:nicktaken] = proc { |data|
174 nickchg "#{data[:nick]}_"
176 @client[:badnick] = proc {|data|
177 puts "WARNING, bad nick (#{data[:nick]})"
179 @client[:ping] = proc {|data|
180 # (jump the queue for pongs)
181 @socket.puts "PONG #{data[:pingid]}"
183 @client[:nick] = proc {|data|
184 sourcenick = data[:sourcenick]
186 m = NickMessage.new(self, data[:source], data[:sourcenick], data[:nick])
187 if(sourcenick == @nick)
188 debug "my nick is now #{nick}"
191 @channels.each {|k,v|
192 if(v.users.has_key?(sourcenick))
193 log "@ #{sourcenick} is now known as #{nick}", k
194 v.users[nick] = v.users[sourcenick]
195 v.users.delete(sourcenick)
198 @plugins.delegate("listen", m)
199 @plugins.delegate("nick", m)
201 @client[:quit] = proc {|data|
202 source = data[:source]
203 sourcenick = data[:sourcenick]
204 sourceurl = data[:sourceaddress]
205 message = data[:message]
206 m = QuitMessage.new(self, data[:source], data[:sourcenick], data[:message])
207 if(data[:sourcenick] =~ /#{Regexp.escape(@nick)}/i)
209 @channels.each {|k,v|
210 if(v.users.has_key?(sourcenick))
211 log "@ Quit: #{sourcenick}: #{message}", k
212 v.users.delete(sourcenick)
216 @plugins.delegate("listen", m)
217 @plugins.delegate("quit", m)
219 @client[:mode] = proc {|data|
220 source = data[:source]
221 sourcenick = data[:sourcenick]
222 sourceurl = data[:sourceaddress]
223 channel = data[:channel]
224 targets = data[:targets]
225 modestring = data[:modestring]
226 log "@ Mode #{modestring} #{targets} by #{sourcenick}", channel
228 @client[:welcome] = proc {|data|
229 log "joined server #{data[:source]} as #{data[:nick]}", "server"
230 debug "I think my nick is #{@nick}, server thinks #{data[:nick]}"
231 if data[:nick] && data[:nick].length > 0
235 @plugins.delegate("connect")
237 @config['irc.join_channels'].each {|c|
238 debug "autojoining channel #{c}"
239 if(c =~ /^(\S+)\s+(\S+)$/i)
246 @client[:join] = proc {|data|
247 m = JoinMessage.new(self, data[:source], data[:channel], data[:message])
250 @client[:part] = proc {|data|
251 m = PartMessage.new(self, data[:source], data[:channel], data[:message])
254 @client[:kick] = proc {|data|
255 m = KickMessage.new(self, data[:source], data[:target],data[:channel],data[:message])
258 @client[:invite] = proc {|data|
259 if(data[:target] =~ /^#{Regexp.escape(@nick)}$/i)
260 join data[:channel] if (@auth.allow?("join", data[:source], data[:sourcenick]))
263 @client[:changetopic] = proc {|data|
264 channel = data[:channel]
265 sourcenick = data[:sourcenick]
267 timestamp = data[:unixtime] || Time.now.to_i
268 if(sourcenick == @nick)
269 log "@ I set topic \"#{topic}\"", channel
271 log "@ #{sourcenick} set topic \"#{topic}\"", channel
273 m = TopicMessage.new(self, data[:source], data[:channel], timestamp, data[:topic])
276 @plugins.delegate("listen", m)
277 @plugins.delegate("topic", m)
279 @client[:topic] = @client[:topicinfo] = proc {|data|
280 channel = data[:channel]
281 m = TopicMessage.new(self, data[:source], data[:channel], data[:unixtime], data[:topic])
284 @client[:names] = proc {|data|
285 channel = data[:channel]
287 unless(@channels[channel])
288 puts "bug: got names for channel '#{channel}' I didn't think I was in\n"
291 @channels[channel].users.clear
293 @channels[channel].users[u[0].sub(/^[@&~+]/, '')] = ["mode", u[1]]
296 @client[:unknown] = proc {|data|
297 #debug "UNKNOWN: #{data[:serverstring]}"
298 log data[:serverstring], ":unknown"
302 # connect the bot to IRC
304 trap("SIGTERM") { quit }
305 trap("SIGHUP") { quit }
306 trap("SIGINT") { quit }
310 raise "failed to connect to IRC server at #{@config['server.name']} #{@config['server.port']}: " + e
312 @socket.puts "PASS " + @config['server.password'] if @config['server.password']
313 @socket.puts "NICK #{@nick}\nUSER #{@config['irc.user']} 4 #{@config['server.name']} :Ruby bot. (c) Tom Gilbert"
316 # begin event handling loop
325 break unless reply = @socket.gets
326 @client.process reply
329 # I despair of this. Some of my users get "connection reset by peer"
330 # exceptions that ARENT SocketError's. How am I supposed to handle
332 #rescue TimeoutError, SocketError => e
333 rescue Exception => e
334 puts "network exception: connection closed: #{e}"
335 puts e.backtrace.join("\n")
336 @socket.close # now we reconnect
337 rescue => e # TODO be selective, only grab Network errors
338 puts "unexpected exception: connection closed: #{e.inspect}"
339 puts e.backtrace.join("\n")
347 puts "waiting to reconnect"
348 sleep @config['server.reconnect_wait']
352 # type:: message type
353 # where:: message target
354 # message:: message text
355 # send message +message+ of type +type+ to target +where+
356 # Type can be PRIVMSG, NOTICE, etc, but those you should really use the
357 # relevant say() or notice() methods. This one should be used for IRCd
358 # extensions you want to use in modules.
359 def sendmsg(type, where, message)
360 # limit it 440 chars + CRLF.. so we have to split long lines
361 left = 440 - type.length - where.length - 3
363 if(left >= message.length)
364 sendq("#{type} #{where} :#{message}")
365 log_sent(type, where, message)
368 line = message.slice!(0, left)
369 lastspace = line.rindex(/\s+/)
371 message = line.slice!(lastspace, line.length) + message
372 message.gsub!(/^\s+/, "")
374 sendq("#{type} #{where} :#{line}")
375 log_sent(type, where, line)
376 end while(message.length > 0)
379 # queue an arbitraty message for the server
380 def sendq(message="")
382 @socket.queue(message)
385 # send a notice message to channel/nick +where+
386 def notice(where, message)
387 message.each_line { |line|
389 next unless(line.length > 0)
390 sendmsg("NOTICE", where, line)
394 # say something (PRIVMSG) to channel/nick +where+
395 def say(where, message)
396 message.to_s.gsub(/[\r\n]+/, "\n").each_line { |line|
398 next unless(line.length > 0)
399 unless((where =~ /^#/) && (@channels.has_key?(where) && @channels[where].quiet))
400 sendmsg("PRIVMSG", where, line)
405 # perform a CTCP action with message +message+ to channel/nick +where+
406 def action(where, message)
407 sendq("PRIVMSG #{where} :\001ACTION #{message}\001")
409 log "* #{@nick} #{message}", where
410 elsif (where =~ /^(\S*)!.*$/)
411 log "* #{@nick}[#{where}] #{message}", $1
413 log "* #{@nick}[#{where}] #{message}", where
417 # quick way to say "okay" (or equivalent) to +where+
419 say where, @lang.get("okay")
422 # log message +message+ to a file determined by +where+. +where+ can be a
423 # channel name, or a nick for private message logging
424 def log(message, where="server")
426 stamp = Time.now.strftime("%Y/%m/%d %H:%M:%S")
427 unless(@logs.has_key?(where))
428 @logs[where] = File.new("#{@botclass}/logs/#{where}", "a")
429 @logs[where].sync = true
431 @logs[where].puts "[#{stamp}] #{message}"
432 #debug "[#{stamp}] <#{where}> #{message}"
435 # set topic of channel +where+ to +topic+
436 def topic(where, topic)
437 sendq "TOPIC #{where} :#{topic}"
440 # disconnect from the server and cleanup all plugins and modules
441 def shutdown(message = nil)
442 trap("SIGTERM", "DEFAULT")
443 trap("SIGHUP", "DEFAULT")
444 trap("SIGINT", "DEFAULT")
445 message = @lang.get("quit") if (message.nil? || message.empty?)
449 @channels.each_value {|v|
450 log "@ quit (#{message})", v.name
452 @socket.puts "QUIT :#{message}"
456 puts "rbot quit (#{message})"
459 # message:: optional IRC quit message
460 # quit IRC, shutdown the bot
461 def quit(message=nil)
466 # totally shutdown and respawn the bot
467 def restart(message = false)
468 msg = message ? message : "restarting, back in #{@config['server.reconnect_wait']}..."
470 sleep @config['server.reconnect_wait']
475 # call the save method for bot's config, keywords, auth and all plugins
484 # call the rescan method for the bot's lang, keywords and all plugins
491 # channel:: channel to join
492 # key:: optional channel key if channel is +s
494 def join(channel, key=nil)
496 sendq "JOIN #{channel} :#{key}"
498 sendq "JOIN #{channel}"
503 def part(channel, message="")
504 sendq "PART #{channel} :#{message}"
507 # attempt to change bot's nick to +name+
513 def mode(channel, mode, target)
514 sendq "MODE #{channel} #{mode} #{target}"
517 # m:: message asking for help
518 # topic:: optional topic help is requested for
519 # respond to online help requests
521 topic = nil if topic == ""
524 helpstr = "help topics: core, auth, keywords"
525 helpstr += @plugins.helptopics
526 helpstr += " (help <topic> for more info)"
529 when /^core\s+(.+)$/i
530 helpstr = corehelp $1
533 when /^auth\s+(.+)$/i
534 helpstr = @auth.help $1
536 helpstr = @keywords.help
537 when /^keywords\s+(.+)$/i
538 helpstr = @keywords.help $1
540 unless(helpstr = @plugins.help(topic))
541 helpstr = "no help for topic #{topic}"
547 # returns a string describing the current status of the bot (uptime etc)
549 secs_up = Time.new - @startup_time
550 uptime = Utils.secs_to_string secs_up
551 return "Uptime #{uptime}, #{@plugins.length} plugins active, #{@registry.length} items stored in registry, #{@socket.lines_sent} lines sent, #{@socket.lines_received} received."
557 # handle help requests for "core" topics
558 def corehelp(topic="")
561 return "quit [<message>] => quit IRC with message <message>"
563 return "restart => completely stop and restart the bot (including reconnect)"
565 return "join <channel> [<key>] => join channel <channel> with secret key <key> if specified. #{@nick} also responds to invites if you have the required access level"
567 return "part <channel> => part channel <channel>"
569 return "hide => part all channels"
571 return "save => save current dynamic data and configuration"
573 return "rescan => reload modules and static facts"
575 return "nick <nick> => attempt to change nick to <nick>"
577 return "say <channel>|<nick> <message> => say <message> to <channel> or in private message to <nick>"
579 return "action <channel>|<nick> <message> => does a /me <message> to <channel> or in private message to <nick>"
581 return "topic <channel> <message> => set topic of <channel> to <message>"
583 return "quiet [in here|<channel>] => with no arguments, stop speaking in all channels, if \"in here\", stop speaking in this channel, or stop speaking in <channel>"
585 return "talk [in here|<channel>] => with no arguments, resume speaking in all channels, if \"in here\", resume speaking in this channel, or resume speaking in <channel>"
587 return "version => describes software version"
589 return "botsnack => reward #{@nick} for being good"
591 return "hello|hi|hey|yo [#{@nick}] => greet the bot"
593 return "Core help topics: quit, restart, config, join, part, hide, save, rescan, nick, say, action, topic, quiet, talk, version, botsnack, hello"
597 # handle incoming IRC PRIVMSG +m+
602 log "* [#{m.sourcenick}(#{m.sourceaddress})] #{m.message}", m.sourcenick
604 log "* #{m.sourcenick} #{m.message}", m.target
608 log "<#{m.sourcenick}> #{m.message}", m.target
610 log "[#{m.sourcenick}(#{m.sourceaddress})] #{m.message}", m.sourcenick
614 # pass it off to plugins that want to hear everything
615 @plugins.delegate "listen", m
617 if(m.private? && m.message =~ /^\001PING\s+(.+)\001/)
618 notice m.sourcenick, "\001PING #$1\001"
619 log "@ #{m.sourcenick} pinged me"
625 when (/^join\s+(\S+)\s+(\S+)$/i)
626 join $1, $2 if(@auth.allow?("join", m.source, m.replyto))
627 when (/^join\s+(\S+)$/i)
628 join $1 if(@auth.allow?("join", m.source, m.replyto))
630 part m.target if(m.public? && @auth.allow?("join", m.source, m.replyto))
631 when (/^part\s+(\S+)$/i)
632 part $1 if(@auth.allow?("join", m.source, m.replyto))
633 when (/^quit(?:\s+(.*))?$/i)
634 quit $1 if(@auth.allow?("quit", m.source, m.replyto))
635 when (/^restart(?:\s+(.*))?$/i)
636 restart $1 if(@auth.allow?("quit", m.source, m.replyto))
638 join 0 if(@auth.allow?("join", m.source, m.replyto))
640 if(@auth.allow?("config", m.source, m.replyto))
644 when (/^nick\s+(\S+)$/i)
645 nickchg($1) if(@auth.allow?("nick", m.source, m.replyto))
646 when (/^say\s+(\S+)\s+(.*)$/i)
647 say $1, $2 if(@auth.allow?("say", m.source, m.replyto))
648 when (/^action\s+(\S+)\s+(.*)$/i)
649 action $1, $2 if(@auth.allow?("say", m.source, m.replyto))
650 when (/^topic\s+(\S+)\s+(.*)$/i)
651 topic $1, $2 if(@auth.allow?("topic", m.source, m.replyto))
652 when (/^mode\s+(\S+)\s+(\S+)\s+(.*)$/i)
653 mode $1, $2, $3 if(@auth.allow?("mode", m.source, m.replyto))
655 say m.replyto, "pong"
657 if(@auth.allow?("config", m.source, m.replyto))
662 if(auth.allow?("talk", m.source, m.replyto))
664 @channels.each_value {|c| c.quiet = true }
666 when (/^quiet in (\S+)$/i)
668 if(auth.allow?("talk", m.source, m.replyto))
670 where.gsub!(/^here$/, m.target) if m.public?
671 @channels[where].quiet = true if(@channels.has_key?(where))
674 if(auth.allow?("talk", m.source, m.replyto))
675 @channels.each_value {|c| c.quiet = false }
678 when (/^talk in (\S+)$/i)
680 if(auth.allow?("talk", m.source, m.replyto))
681 where.gsub!(/^here$/, m.target) if m.public?
682 @channels[where].quiet = false if(@channels.has_key?(where))
685 when (/^status\??$/i)
686 m.reply status if auth.allow?("status", m.source, m.replyto)
687 when (/^registry stats$/i)
688 if auth.allow?("config", m.source, m.replyto)
689 m.reply @registry.stat.inspect
691 when (/^(help\s+)?config(\s+|$)/)
693 when (/^(version)|(introduce yourself)$/i)
694 say m.replyto, "I'm a v. #{$version} rubybot, (c) Tom Gilbert - http://linuxbrit.co.uk/rbot/"
695 when (/^help(?:\s+(.*))?$/i)
696 say m.replyto, help($1)
697 #TODO move these to a "chatback" plugin
698 when (/^(botsnack|ciggie)$/i)
699 say m.replyto, @lang.get("thanks_X") % m.sourcenick if(m.public?)
700 say m.replyto, @lang.get("thanks") if(m.private?)
701 when (/^(hello|howdy|hola|salut|bonjour|sup|niihau|hey|hi(\W|$)|yo(\W|$)).*/i)
702 say m.replyto, @lang.get("hello_X") % m.sourcenick if(m.public?)
703 say m.replyto, @lang.get("hello") if(m.private?)
708 # stuff to handle when not addressed
710 when (/^\s*(hello|howdy|hola|salut|bonjour|sup|niihau|hey|hi|yo(\W|$))[\s,-.]+#{Regexp.escape(@nick)}$/i)
711 say m.replyto, @lang.get("hello_X") % m.sourcenick
712 when (/^#{Regexp.escape(@nick)}!*$/)
713 say m.replyto, @lang.get("hello_X") % m.sourcenick
720 # log a message. Internal use only.
721 def log_sent(type, where, message)
725 log "-=#{@nick}=- #{message}", where
726 elsif (where =~ /(\S*)!.*/)
727 log "[-=#{where}=-] #{message}", $1
729 log "[-=#{where}=-] #{message}"
733 log "<#{@nick}> #{message}", where
734 elsif (where =~ /^(\S*)!.*$/)
735 log "[msg(#{where})] #{message}", $1
737 log "[msg(#{where})] #{message}", where
743 @channels[m.channel] = IRCChannel.new(m.channel) unless(@channels.has_key?(m.channel))
745 debug "joined channel #{m.channel}"
746 log "@ Joined channel #{m.channel}", m.channel
748 log "@ #{m.sourcenick} joined channel #{m.channel}", m.channel
749 @channels[m.channel].users[m.sourcenick] = Hash.new
750 @channels[m.channel].users[m.sourcenick]["mode"] = ""
753 @plugins.delegate("listen", m)
754 @plugins.delegate("join", m)
759 debug "left channel #{m.channel}"
760 log "@ Left channel #{m.channel} (#{m.message})", m.channel
761 @channels.delete(m.channel)
763 log "@ #{m.sourcenick} left channel #{m.channel} (#{m.message})", m.channel
764 @channels[m.channel].users.delete(m.sourcenick)
767 # delegate to plugins
768 @plugins.delegate("listen", m)
769 @plugins.delegate("part", m)
772 # respond to being kicked from a channel
775 debug "kicked from channel #{m.channel}"
776 @channels.delete(m.channel)
777 log "@ You have been kicked from #{m.channel} by #{m.sourcenick} (#{m.message})", m.channel
779 @channels[m.channel].users.delete(m.sourcenick)
780 log "@ #{m.target} has been kicked from #{m.channel} by #{m.sourcenick} (#{m.message})", m.channel
783 @plugins.delegate("listen", m)
784 @plugins.delegate("kick", m)
788 @channels[m.channel] = IRCChannel.new(m.channel) unless(@channels.has_key?(m.channel))
789 @channels[m.channel].topic = m.topic if !m.topic.nil?
790 @channels[m.channel].topic.timestamp = m.timestamp if !m.timestamp.nil?
791 @channels[m.channel].topic.by = m.source if !m.source.nil?
793 debug "topic of channel #{m.channel} is now #{@channels[m.channel].topic}"
796 # delegate a privmsg to auth, keyword or plugin handlers
797 def delegate_privmsg(message)
798 [@auth, @plugins, @keywords].each {|m|
799 break if m.privmsg(message)