Class: EventMachine::IRC::ConnectedClient

Inherits:
Object
  • Object
show all
Defined in:
lib/eventmachine/irc/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server) ⇒ ConnectedClient

Returns a new instance of ConnectedClient.



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# File 'lib/eventmachine/irc/server.rb', line 54

def initialize(server)
  @server = server
  @channels = Array.new
  @nick = nil
  @user = nil
  @pass = nil
  @last_ping = Time.now
  @last_pong = Time.now
  @state = {}
  @welcomed = false
  @nick_tries = 0
end

Instance Attribute Details

#channels ⇒ Object (readonly)

Returns the value of attribute channels.



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# File 'lib/eventmachine/irc/server.rb', line 52

def channels
  @channels
end

#nick ⇒ Object (readonly)

Returns the value of attribute nick.



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# File 'lib/eventmachine/irc/server.rb', line 52

def nick
  @nick
end

#realname ⇒ Object (readonly)

Returns the value of attribute realname.



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# File 'lib/eventmachine/irc/server.rb', line 52

def realname
  @realname
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/eventmachine/irc/server.rb', line 52

def state
  @state
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/eventmachine/irc/server.rb', line 52

def user
  @user
end

Instance Method Details

#handle_abort ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 446

def handle_abort()
	handle_quit('aborted..')
end

#handle_away(msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 356

def handle_away(msg)
	carp "handle away :#{msg}"
	if msg.nil? or msg =~ /^ *$/
		@state.delete(:away)
		repl_unaway
	else
		@state[:away] = msg
		repl_nowaway
	end
end

#handle_connect ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 463

def handle_connect
	reply :raw, "NOTICE AUTH :#{Server.config['version']} initialized, welcome."
end

#handle_eval(s) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 454

def handle_eval(s)
	reply :raw, eval(s)
end

#handle_join(channels) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 81

def handle_join(channel)
  @channels << channel
end

#handle_list(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 367

def handle_list(channel)
	reply :numeric, LISTSTART
	case channel.strip
	when /^#/
		channel.split(/,/).each {|cname|
			c = Server.channel_store[cname.strip]
			reply :numeric, LIST, c.name, c.topic if c
		}
	else
		#older opera client sends LIST <1000
		#we wont obey the boolean after list, but allow the listing
		#nonetheless
		Server.channel_store.each_channel {|c|
			reply :numeric, LIST, c.name, c.topic
		}
	end
	reply :numeric, LISTEND
end

#handle_mode(target, rest) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 429

def handle_mode(target, rest)
	#TODO: dummy
	reply :mode, target, rest
end

#handle_names(channels, server) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 403

def handle_names(channels, server)
	channels.split(/,/).each {|ch| send_nameslist(ch.strip) }
end

#handle_newconnect(nick) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 137

def handle_newconnect(nick)
	@alive = true
	@nick = nick
	@host = Server.config['hostname']
	@ver = Server.config['version']
	@starttime = Server.config['starttime']
	send_welcome if !@user.nil?
end

#handle_nick(nick) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 85

def handle_nick(nick)
carp "nick => #{nick}"
if Server.user_store[nick].nil?
	userlist = {}
	if @nick.nil?
		handle_newconnect(nick)
	else
		userlist[nick] = self if self.nick != nick
		Server.user_store.delete(@nick)
		@nick = nick
	end

	Server.user_store << self

	#send the info to the world
	#get unique users.
	@channels.each { |c|
		Server.channel_store[c].each_user { |u|
			userlist[u.nick] = u
		}
	}
	userlist.values.each {|user|
		user.reply :nick, nick
	}
	@usermsg = ":#{@nick}!~#{@user}@#{@peername}"
else
	#check if we are just nicking ourselves.
	unless Server.user_store[nick] == self
		#verify the connectivity of earlier guy
	reply :numeric, ERR_NICKNAMEINUSE, "* #{nick} ", "Nickname is already in use."
	@nick_tries += 1
	if @nick_tries > $config['nick-tries']
		carp "kicking spurious user #{nick} after #{@nick_tries} tries"
		handle_abort
	end
	end
end
@nick_tries = 0
end

#handle_notice(target, msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 300

def handle_notice(target, msg)
	case target.strip
	when CHANNEL
		channel= Server.channel_store[target]
		if !channel.nil?
			channel.notice(msg, self)
		else
			send_nonick(target)
		end
	else
		user = Server.user_store[target]
		if !user.nil?
			user.reply :notice, self.userprefix, user.nick, msg
		else
			send_nonick(target)
		end
	end
end

#handle_part(channel, msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 319

def handle_part(channel, msg)
	if Server.channel_store.channels.include? channel
		if Server.channel_store[channel].part(self, msg)
			@channels.delete(channel)
		else
			send_notonchannel channel
		end
	else
		send_nochannel channel
	end
end

#handle_pass(pass) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 146

def handle_pass(pass)
  @pass = pass
end

#handle_ping(pingmsg, rest) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 270

def handle_ping(pingmsg, rest)
	reply :pong, pingmsg
end

#handle_pong(srv) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 274

def handle_pong(srv)
	carp "got pong: #{srv}"
end

#handle_privmsg(target, msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 278

def handle_privmsg(target, msg)
	case target.strip
	when CHANNEL
		channel= Server.channel_store[target]
		if !channel.nil?
			channel.privatemsg(msg, self)
		else
			send_nonick(target)
		end
	else
		user = Server.user_store[target]
		if !user.nil?
			if !user.state[:away].nil?
				repl_away(user.nick,user.state[:away])
			end
			user.reply :privmsg, self.userprefix, user.nick, msg
		else
			send_nonick(target)
		end
	end
end

#handle_quit(msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 331

def handle_quit(msg)
	#do this to avoid double quit due to 2 threads.
	return if !@alive
	@alive = false
	@channels.each do |channel|
		Server.channel_store[channel].quit(self, msg)
	end
	Server.user_store.delete(self.nick)
	carp "#{self.nick} #{msg}"
   @server.close_connection
end

#handle_reload(password) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 443

def handle_reload(password)
end

#handle_topic(channel, topic) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 343

def handle_topic(channel, topic)
	carp "handle topic for #{channel}:#{topic}"
	if topic.nil? or topic =~ /^ *$/
		send_topic(channel)
	else
		begin
			Server.channel_store[channel].topic(topic,self)
		rescue Exception => e
			carp e
		end
	end
end

#handle_unknown(s) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 458

def handle_unknown(s)
	carp "unknown:>#{s}<"
	reply :numeric, ERR_UNKNOWNCOMMAND,s, "Unknown command"
end

#handle_user(user, mode, unused, realname) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 125

def handle_user(user, mode, unused, realname)
  @user = user
  @mode = mode
  @realname = realname
  @usermsg = ":#{@nick}!~#{@user}@#{@peername}"
  send_welcome if !@nick.nil?
end

#handle_userhost(nicks) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 434

def handle_userhost(nicks)
	info = []
	nicks.split(/,/).each {|nick|
		user = Server.user_store[nick]
		info << user.nick + '=-' + user.nick + '@' + user.peer
	}
	reply :numeric, USERHOST,"", info.join(' ')
end

#handle_version ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 450

def handle_version()
	reply :numeric, VERSION,"#{Server.config['version']} Ruby IRCD", ""
end

#handle_who(mask, rest) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 407

def handle_who(mask, rest)
	channel = Server.channel_store[mask]
	hopcount = 0
	if channel.nil?
		#match against all users
		Server.user_store.each_user {|user|
			reply :numeric, WHOREPLY ,
			"#{user.channels[0]} #{user.userprefix} #{user.host} #{Server.config['hostname']} #{user.nick} H" , 
			"#{hopcount} #{user.realname}" if File.fnmatch?(mask, "#{user.host}.#{user.realname}.#{user.nick}")
		}
		reply :numeric, ENDOFWHO, mask, "End of /WHO list."
	else
		#get all users in the channel
		channel.each_user {|user|
			reply :numeric, WHOREPLY ,
			"#{mask} #{user.userprefix} #{user.host} #{Server.config['hostname']} #{user.nick} H" , 
			"#{hopcount} #{user.realname}"
		}
		reply :numeric, ENDOFWHO, mask, "End of /WHO list."
	end
end

#handle_whois(target, nicks) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 386

def handle_whois(target,nicks)
	#ignore target for now.
	return reply(:numeric, NONICKNAMEGIVEN, "", "No nickname given") if nicks.strip.length == 0
	nicks.split(/,/).each {|nick|
		nick.strip!
		user = Server.user_store[nick]
		if user
			reply :numeric, WHOISUSER, "#{user.nick} #{user.user} #{user.host} *", "#{user.realname}"
			reply :numeric, WHOISCHANNELS, user.nick, "#{user.channels.join(' ')}"
			repl_away user.nick, user.state[:away] if !user.state[:away].nil?
			reply :numeric, ENDOFWHOIS, user.nick, "End of /WHOIS list"
		else
			return send_nonick(nick) 
		end
	}
end

#host ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 67

def host
  # TODO: figure out how to do this with event machine
  return @peername
end

#mode ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 133

def mode
  return @mode
end

#names(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 229

def names(channel)
	return Server.channel_store[channel].nicks
end

#raw(arg, abrt = false) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 513

def raw(arg, abrt=false)
	begin
		carp "--> #{arg}"
		@server.send_data(arg.chomp + "\n") if !arg.nil?
	rescue Exception => e
		carp "<#{self.userprefix}>#{e.message}"
		#carp e.backtrace.join("\n")
		handle_abort()
		raise e if abrt
	end
end

#ready ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 77

def ready
  return (!@pass.nil? && !@nick.nil?)
end

#receive_data(data) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 525

def receive_data(data)
carp "<-- '#{data.strip}'"
s = if data =~ PREFIX
	$1
else
	data
end
case s
when /^[ ]*$/
	return
when /^PASS +(.+)$/i
	handle_pass($1.strip)
when /^NICK +(.+)$/i
	handle_nick($1.strip) #done
when /^USER +([^ ]+) +([0-9]+) +([^ ]+) +:(.*)$/i
	handle_user($1, $2, $3, $4) #done
when /^USER +([^ ]+) +([0-9]+) +([^ ]+) +:*(.*)$/i
	#opera does this.
	handle_user($1, $2, $3, $4) #done
when /^USER ([^ ]+) +[^:]*:(.*)/i
	#chatzilla does this.
	handle_user($1, '', '', $3) #done
when /^JOIN +(.+)$/i
	handle_join($1) #done
when /^PING +([^ ]+) *(.*)$/i
	handle_ping($1, $2) #done
when /^PONG +:(.+)$/i , /^PONG +(.+)$/i
	handle_pong($1)
when /^PRIVMSG +([^ ]+) +:(.*)$/i
	handle_privmsg($1, $2) #done
when /^NOTICE +([^ ]+) +(.*)$/i
	handle_notice($1, $2) #done
when /^PART :+([^ ]+) *(.*)$/i  
	#some clients require this.
	handle_part($1, $2) #done
when /^PART +([^ ]+) *(.*)$/i
	handle_part($1, $2) #done
when /^QUIT :(.*)$/i
	handle_quit($1) #done
when /^QUIT *(.*)$/i
	handle_quit($1) #done
when /^TOPIC +([^ ]+) *:*(.*)$/i
	handle_topic($1, $2) #done
when /^AWAY +:(.*)$/i
	handle_away($1)
when /^AWAY +(.*)$/i #for opera
	handle_away($1)
when /^:*([^ ])* *AWAY *$/i
	handle_away(nil)
  when /^AWAY\s*$/i
    handle_away(nil)
when /^LIST *(.*)$/i
	handle_list($1)
when /^WHOIS +([^ ]+) +(.+)$/i
	handle_whois($1,$2)
when /^WHOIS +([^ ]+)$/i
	handle_whois(nil,$1)
when /^WHO +([^ ]+) *(.*)$/i
	handle_who($1, $2)
when /^NAMES +([^ ]+) *(.*)$/i
	handle_names($1, $2)
when /^MODE +([^ ]+) *(.*)$/i
	handle_mode($1, $2)
when /^USERHOST +:(.+)$/i
	#besirc does this (not accourding to RFC 2812)
	handle_userhost($1)
when /^USERHOST +(.+)$/i
	handle_userhost($1)
when /^RELOAD +(.+)$/i
	handle_reload($1)
when /^VERSION *$/i
	handle_version()
when /^EVAL (.*)$/i
	#strictly for debug
	handle_eval($1)
else
	handle_unknown(s)
end
end

#repl_away(nick, msg) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 188

def repl_away(nick, msg)
	reply :numeric, AWAY, nick, msg
end

#repl_bounce(sever, port) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 179

def repl_bounce(sever, port)
	reply :numeric, BOUNCE ,"Try server #{server}, port #{port}"
end

#repl_created ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 171

def repl_created
	reply :numeric, CREATED, @nick, "This server was created #{@starttime}"
end

#repl_ison ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 183

def repl_ison()
	#XXX TODO
	reply :numeric, ISON,"notimpl"
end

#repl_mode ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 206

def repl_mode()
end

#repl_motd ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 200

def repl_motd()
	reply :numeric, MOTDSTART,'', "- Message of the Day"
	reply :numeric, MOTD,'',      "- Do the dance see the source"
	reply :numeric, ENDOFMOTD,'', "- End of /MOTD command."
end

#repl_myinfo ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 175

def repl_myinfo
	reply :numeric, MYINFO, @nick, "#{@host} #{@ver} #{@server.usermodes} #{@server.channelmodes}"
end

#repl_nowaway ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 196

def repl_nowaway()
	reply :numeric, NOWAWAY, @nick,"You have been marked as being away"
end

#repl_unaway ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 192

def repl_unaway()
	reply :numeric, UNAWAY, @nick,"You are no longer marked as being away"
end

#repl_welcome ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 162

def repl_welcome
	client = "#{@nick}!#{@user}@#{@peername}"
	reply :numeric, WELCOME, @nick, "Welcome to this IRC server #{client}"
end

#repl_yourhost ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 167

def repl_yourhost
	reply :numeric, YOURHOST, @nick, "Your host is #{@host}, running version #{@ver}"
end

#reply(method, *args) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 467

def reply(method, *args)
	case method
	when :raw
		arg = *args
		raw arg
	when :ping
		host = *args
		raw "PING :#{host}"
	when :pong
		msg = *args
		# according to rfc 2812 the PONG must be of
		#PONG csd.bu.edu tolsun.oulu.fi
		# PONG message from csd.bu.edu to tolsun.oulu.fi
		# ie no host at the begining
		raw "PONG #{@host} #{@peername} :#{msg}"
	when :join
		user,channel = args
		raw "#{user} JOIN :#{channel}"
	when :part
		user,channel,msg = args
		raw "#{user} PART #{channel} :#{msg}"
	when :quit
		user,msg = args
		raw "#{user} QUIT :#{msg}"
	when :privmsg
		usermsg, channel, msg = args
		raw "#{usermsg} PRIVMSG #{channel} :#{msg}"
	when :notice
		usermsg, channel, msg = args
		raw "#{usermsg} NOTICE #{channel} :#{msg}"
	when :topic
		usermsg, channel, msg = args
		raw "#{usermsg} TOPIC #{channel} :#{msg}"
	when :nick
		nick = *args
		raw "#{@usermsg} NICK :#{nick}"
	when :mode
		nick, rest = args
		raw "#{@usermsg} MODE #{nick} :#{rest}"
	when :numeric
		numeric,msg,detail = args
		server = Server.config['hostname']
		raw ":#{server} #{'%03d'%numeric} #{@nick} #{msg} :#{detail}"
	end
end

#send_nameslist(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 233

def send_nameslist(channel)
	c =  Server.channel_store[channel]
	if c.nil?
		carp "names failed :#{c}"
		return 
	end
	names = []
	c.each_user {|user|
		names << c.mode(user) + user.nick if user.nick
	}
	reply :numeric, NAMREPLY,"= #{c.name}","#{names.join(' ')}"
	reply :numeric, ENDOFNAMES,"#{c.name} ","End of /NAMES list."
end

#send_nochannel(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 221

def send_nochannel(channel)
	reply :numeric, ERR_NOSUCHCHANNEL, channel, "That channel doesn't exist"
end

#send_nonick(nick) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 217

def send_nonick(nick)
	reply :numeric, ERR_NOSUCHNICK, nick, "No such nick/channel"
end

#send_notonchannel(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 225

def send_notonchannel(channel)
	reply :numeric, ERR_NOTONCHANNEL, channel, "Not a member of that channel"
end

#send_ping ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 247

def send_ping()
	reply :ping, "#{Server.config['hostname']}"
end

#send_topic(channel) ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 209

def send_topic(channel)
	if Server.channel_store[channel]
		reply :numeric, TOPIC,channel, "#{Server.channel_store[channel].topic}" 
	else
		send_notonchannel channel
	end
end

#send_welcome ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 150

def send_welcome
	if !@welcomed
		repl_welcome
		repl_yourhost
		repl_created
		repl_myinfo
		repl_motd
		repl_mode
		@welcomed = true
	end
end

#userprefix ⇒ Object 



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# File 'lib/eventmachine/irc/server.rb', line 72

def userprefix
  # Where is this defined?
  return @usermsg
end