Class: IRC::Server::Modules::Base

Inherits:
IRC::Server::Module show all
Defined in:
lib/failirc/server/modules/Base.rb

Defined Under Namespace

Modules: Utils

Constant Summary collapse

@@version = 
'0.0.1'
@@modes = 
{
    :groups => {
        :can_change_channel_modes => [
            :can_change_channel_extended_modes, :can_change_topic_mode,
            :can_change_no_external_messages_mode, :can_change_secret_mode,
            :can_change_ssl_mode, :can_change_moderated_mode,
            :can_change_invite_only_mode, :can_change_auditorium_mode,
            :can_change_anonymous_mode, :can_change_limit_mode,
            :can_change_redirect_mode, :can_change_noknock_mode,
            :can_add_invitation, :can_channel_ban, :can_add_ban_exception,
            :can_change_channel_password, :can_change_nocolors_mode,
            :can_change_noctcp_mode, :can_change_no_nick_change_mode,
            :can_change_nokicks_mode, :can_change_strip_colors_mode,
            :can_change_noinvites_mode,
        ],
         :can_change_user_modes => [
            :can_give_channel_operator, :can_give_channel_half_operator,
            :can_give_voice, :can_change_user_extended_modes,
        ],
         :can_change_client_modes => [
            :can_change_client_extended_modes,
        ],
    },
     :channel => {
        :a => :anonymous,
        :c => :no_colors,
        :C => :no_ctcps,
        :i => :invite_only,
        :l => :limit,
        :L => :redirect,
        :k => :password,
        :K => :no_knock,
        :m => :moderated,
        :n => :no_external_messages,
        :N => :no_nick_change,
        :Q => :no_kicks,
        :s => :secret,
        :S => :strip_colors,
        :t => :topic_change_needs_privileges,
        :u => :auditorium,
        :V => :no_invites,
        :z => :ssl_only,
    },
     :user => {
        :x => [:y, :can_give_channel_admin],
        :y => [:o, :admin],
        :o => [:h, :operator, :can_change_topic, :can_invite, :can_change_channel_modes, :can_change_user_modes],
        :h => [:v, :halfoperator, :can_kick],
        :v => [:voice, :can_talk],
    },
     :client => {
        :netadmin => [:N, :operator],
        :operator => [:o, :can_kill, :can_kick, :can_give_channel_owner, :can_change_topic, :can_change_channel_modes, :can_change_user_modes, :can_change_client_modes],
    },
}
@@supportedModes = 
{
    :client  => [],
    :channel => [],
}
@@support = 
{}

Instance Attribute Summary collapse

Attributes inherited from IRC::Server::Module

#server

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server) ⇒ Base

Returns a new instance of Base.



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# File 'lib/failirc/server/modules/Base.rb', line 129

def initialize (server)
    @aliases = {
        :input => {
            :PASS => /^PASS( |$)/i,
            :NICK => /^(:[^ ] )?NICK( |$)/i,
            :USER => /^(:[^ ] )?USER( |$)/i,

            :PING => /^PING( |$)/i,
            :PONG => /^PONG( |$)/i,

            :AWAY     => /^AWAY( |$)/i,
            :MODE     => /^MODE( |$)/i,
            :ENCODING => /^ENCODING( |$)/i,

            :JOIN   => /^(:[^ ] )?JOIN( |$)/i,
            :PART   => /^(:[^ ] )?PART( |$)/i,
            :KICK   => /^(:[^ ] )?KICK( |$)/i,
            :INVITE => /^INVITE( |$)/i,
            :KNOCK  => /^KNOCK( |$)/i,

            :TOPIC => /^(:[^ ] )?TOPIC( |$)/i,
            :NAMES => /^NAMES( |$)/i,
            :LIST  => /^LIST( |$)/i,

            :WHO    => /^WHO( |$)/i,
            :WHOIS  => /^WHOIS( |$)/i,
            :WHOWAS => /^WHOWAS( |$)/i,
            :ISON   => /^ISON( |$)/i,

            :PRIVMSG => /^(:[^ ] )?PRIVMSG( |$)/i,
            :NOTICE  => /^NOTICE( |$)/i,

            :MAP     => /^MAP( |$)/i,
            :VERSION => /^VERSION( |$)/i,

            :OPER => /^OPER( |$)/i,
            :KILL => /^KILL( |$)/i,

            :QUIT => /^QUIT( |$)/i,
        },
    }

    @events = {
        :pre  => [Event::Callback.new(self.method(:input_encoding), -1234567890), self.method(:check)],
        :post => [Event::Callback.new(self.method(:output_encoding), 1234567890)],

        :custom => {
            :client_nick_change => self.method(:client_nick_change),

            :kill => self.method(:client_quit),

            :join   => self.method(:client_join),
            :part   => self.method(:user_part),
            :kick   => self.method(:send_kick),
            :invite => self.method(:client_invite),

            :whois => self.method(:send_whois),

            :message => [self.method(:handling_message), self.method(:send_message)],
            :notice  => [self.method(:handling_notice), self.method(:send_notice)],
            :ctcp    => [self.method(:handling_ctcp), self.method(:send_ctcp)],
            :error   => self.method(:send_error),

            :topic_change => self.method(:topic_change),

            :mode => [self.method(:normal_mode), self.method(:extended_mode)],
        },

        :default => self.method(:unknown_command),

        :input => {
            :PING => self.method(:ping),
            :PONG => self.method(:pong),

            :AWAY     => self.method(:away),
            :MODE     => self.method(:mode),
            :ENCODING => self.method(:encoding),

            :PASS => self.method(:pass),
            :NICK => self.method(:nick),
            :USER => self.method(:user),

            :JOIN   => self.method(:join),
            :PART   => self.method(:part),
            :KICK   => self.method(:kick),
            :INVITE => self.method(:invite),
            :KNOCK  => self.method(:knock),

            :TOPIC => self.method(:topic),
            :NAMES => self.method(:names),
            :LIST  => self.method(:list),

            :WHO    => self.method(:who),
            :WHOIS  => self.method(:whois),
            :WHOWAS => self.method(:whowas),
            :ISON   => self.method(:ison),

            :PRIVMSG => self.method(:privmsg),
            :NOTICE  => self.method(:notice),

            :MAP     => self.method(:map),
            :VERSION => self.method(:version),

            :OPER => self.method(:oper),
            :KILL => self.method(:kill),

            :QUIT => self.method(:quit),
        },
    }

    super(server)

    server.data[:nicks] = {}

    @@supportedModes[:client].insert(-1, *('o'.split(//)))
    @@supportedModes[:channel].insert(-1, *('abcCehiIkKlLmnoQsStuvVxyz'.split(//)))

    @@support.merge!({
        'CASEMAPPING' => 'ascii',
        'SAFELIST'    => true,
        'EXCEPTS'     => true,
        'CHANTYPES'   => '&#+!',
        'PREFIX'      => '(xyohv)~&@%+',
        'STATUSMSG'   => '~&@%+',
        'FNC'         => true,

        'CMDS' => 'KNOCK',
    })

    @joining   = ThreadSafeHash.new
    @semaphore = Mutex.new

    @pingedOut = ThreadSafeHash.new
    @toPing    = ThreadSafeHash.new

    @pingInterval = server.dispatcher.setInterval Fiber.new {
        while true
            # time to ping non active users
            @toPing.each_value {|client|
                @pingedOut[client.socket] = client

                if client.modes[:registered]
                    client.send :raw, "PING :#{server.host}"
                end
            }

            # clear and refil the hash of clients to ping with all the connected clients
            @toPing.clear
            @toPing.merge!(Hash[server.clients.values.collect {|client| [client.socket, client]}])

            Fiber.yield

            # people who didn't answer with a PONG has to YIFF IN HELL.
            @pingedOut.each_value {|client|
                if !client.socket.closed?
                    server.kill client, 'Ping timeout', true
                end
            }

            @pingedOut.clear
        end
    }, (@pingTimeout / 2)
end

Instance Attribute Details

#messages ⇒ Object (readonly)

Returns the value of attribute messages.



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# File 'lib/failirc/server/modules/Base.rb', line 37

def messages
  @messages
end

Class Method Details

.modes ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 113

def self.modes
    @@modes
end

.support ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 121

def self.support
    @@support
end

.supportedModes ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 117

def self.supportedModes
    @@supportedModes
end

.version ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 109

def self.version
    @@version
end

Instance Method Details

#away(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 892

def away (thing, string)
    match = string.match(/AWAY\s+(:)?(.*)$/i)

    if !match || match[2].empty?
        thing.modes[:away] = false
        thing.send :numeric, RPL_UNAWAY
    else
        thing.modes[:away] = match[2]
        thing.send :numeric, RPL_NOWAWAY
    end
end

#check(event, thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 668

def check (event, thing, string)
    if event.chain != :input || !thing || !string
        return
    end

    @toPing.delete(thing.socket)
    @pingedOut.delete(thing.socket)

    if !event.aliases.include?(:PING) && !event.aliases.include?(:PONG) && !event.aliases.include?(:WHO) && !event.aliases.include?(:MODE)
        thing.modes[:last_action] = Utils::Client::Action.new(thing, event, string)
    end

    stop = false

    # if the client tries to do something without having registered, kill it with fire
    if !event.aliases.include?(:PASS) && !event.aliases.include?(:NICK) && !event.aliases.include?(:USER) && !thing.modes[:registered]
        thing.send :numeric, ERR_NOTREGISTERED
        stop = true
    # if the client tries to reregister, kill it with fire
    elsif (event.aliases.include?(:PASS) || event.aliases.include?(:USER)) && thing.modes[:registered]
        thing.send :numeric, ERR_ALREADYREGISTRED
        stop = true
    end

    return !stop
end

#client_invite(from, to, channel) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1918

def client_invite (from, to, channel)
    from.send :numeric, RPL_INVITING, {
        :nick    => to.nick,
        :channel => channel,
    }

    target = channel

    if channel = server.channels[target]
        channel.modes[:invited][to.nick] = true
        server.dispatcher.execute :notice, :input, ref{:server}, ref{:channel}, "#{from.nick} invited #{to.nick} into the channel.", '@'
    end

    to.send :raw, ":#{from.mask} INVITE #{to.nick} :#{target}"
end

#client_join(client, channel) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1734

def client_join (client, channel)
    empty = channel.empty?
    user  = channel.add(client)

    if empty
        handle_mode server, channel, "+o #{user.nick}", true
    else
        channel.modes[:invited].delete(client.nick)
    end

    user.client.channels.add(channel)

    if user.channel.modes[:anonymous]
        mask = Mask.new 'anonymous', 'anonymous', 'anonymous.'
    else
        mask = user.mask
    end

    user.channel.send :raw, ":#{mask} JOIN :#{user.channel}"

    if !user.channel.topic.nil?
        topic user.client, "TOPIC #{user.channel}"
    end

    names user.client, "NAMES #{user.channel}"
end

#client_nick_change(thing, nick) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 831

def client_nick_change (thing, nick)
    if server.clients[nick] || server.data[:nicks][nick]
        thing.send :numeric, ERR_NICKNAMEINUSE, nick
        return false
    end

    allowed = eval(@nickAllowed) rescue false

    if !allowed || nick.downcase == 'anonymous'
        thing.send :numeric, ERR_ERRONEUSNICKNAME, nick
        return false
    end
end

#client_quit(thing, message) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2527

def client_quit (thing, message)
    server.data[:nicks].delete(thing.nick)

    @toPing.delete(thing.socket)
    @pingedOut.delete(thing.socket)

    thing.channels.select {|name, channel| channel.modes[:anonymous]}.each_value {|channel|
        server.dispatcher.execute :part, channel.user(thing).clone, message
    }

    thing.channels.unique_users.send :raw, ":#{thing.mask} QUIT :#{message}"
end

#description ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 125

def description
    "Base-#{Base.version}"
end

#encoding(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1588

def encoding (thing, string)
    match = string.match(/ENCODING\s+(.+?)(\s+(.+))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'ENCODING'
        return
    end

    if match[2]
        nick = match[1].strip
        name = match[3].strip
    else
        nick = nil
        name = match[1].strip
    end

    begin
        "".encode(name)

        if nick
            if Utils::checkFlag(thing, :operator)
                if client = server.clients[nick]
                    client.modes[:encoding] = name
                else
                    thing.send :numeric, ERR_NOSUCHNICK, nick
                end
            else
                thing.send :numeric, ERR_NOPRIVILEGES
            end
        else
            thing.modes[:encoding] = name
        end
    rescue Encoding::ConverterNotFoundError
        server.dispatcher.execute(:error, thing, "#{name} is not a valid encoding.")
    end
end

#extended_mode(kind, from, thing, type, mode, values, output = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1546

def extended_mode (kind, from, thing, type, mode, values, output=nil)
    if kind != :extended
        return
    end

    if thing.is_a?(Server::Channel) && !Utils::checkFlag(from, :can_change_channel_extended_modes)
        from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
        return
    elsif thing.is_a?(Server::User) && !Utils::checkFlag(from, :can_change_user_extended_modes)
        from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.channel.name
        return
    elsif thing.is_a?(Server::Client) && from.nick != thing.nick && !Utils::checkFlag(from, :can_change_client_extended_modes) && !Utils::checkFlag(from, :frozen)
        from.send :numeric, ERR_NOPRIVILEGES
        return
    end

    if type == '?'
        if thing.is_a?(Server::Channel)
            name = thing.name
        elsif thing.is_a?(Server::User)
            name = "#{thing.nick}@#{thing.channel.name}"
        elsif thing.is_a?(Server::Client)
            name = thing.nick
        end

        thing.modes[:extended].each {|key, value|
            from.server.dispatcher.execute :notice, :output, ref{:server}, ref{:from}, "#{name} #{key} = #{value}"
        }
    else
        if !mode.match(/^\w+$/)
            from.server.dispatcher.execute :error, from, "#{mode} is not a valid extended mode."
            return
        end

        if type == '+'
            thing.modes[:extended][mode.to_sym] = values || true
        else
            thing.modes[:extended].delete(mode.to_sym)
        end
    end
end

#finalize ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 333

def finalize
    server.dispatcher.clearInterval @pingInterval
end

#handle_mode(from, thing, request, noAnswer = false) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 988

def handle_mode (from, thing, request, noAnswer=false)
    if match = request.match(/^=(.*)$/)
        value = match[1].strip

        if value == '?'
            server.dispatcher.execute :mode, :extended, from, thing, '?', nil, nil, nil
        else
            modes = value.split(/[^\\],/)

            modes.each {|mode|
                if mode[0, 1] == '-'
                    type = '-'
                else
                    type = '+'
                end

                mode.sub!(/^[+\-]/, '')

                mode = mode.split(/=/)

                server.dispatcher.execute :mode, :extended, from, thing, type, *mode, nil
            }
        end
    else
        output = {
            :modes  => [],
            :values => [],
        }

        match = request.match(/^\s*([+\-])?\s*([^ ]+)(\s+(.+))?$/)

        if !match
            return false
        end

        type   = match[1] || '+'
        modes  = match[2].split(//)
        values = (match[4] || '').strip.split(/ /)

        modes.each {|mode|
            server.dispatcher.execute :mode, :normal, from, thing, type, mode, values, output
        }

        if from.is_a?(Server::Client) || from.is_a?(Server::User)
            from = from.mask
        end

        if !noAnswer && (!output[:modes].empty? || !output[:values].empty?)
            string = "#{type}#{output[:modes].join('')}"
            
            if !output[:values].empty?
                string << " #{output[:values].join(' ')}"
            end

            thing.send :raw, ":#{from} MODE #{thing.is_a?(Server::Channel) ? thing.name : thing.nick} #{string}"
        end

    end
end

#handling_ctcp(chain, kind, fromRef, toRef, type, message, level = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2371

def handling_ctcp (chain, kind, fromRef, toRef, type, message, level=nil)
    if chain != :input
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Channel)
        if to.modes[:no_ctcps]
            from.send :numeric, ERR_NOCTCPS, to.name
            return false
        end

        to.users.each_value {|user|
            if user.client != from && Utils::User::isLevelEnough(user, level)
                server.dispatcher.execute :ctcp, :output, kind, fromRef, ref{:user}, type, message, level
            end
        }
    elsif to.is_a?(Client) || to.is_a?(User)
        server.dispatcher.execute :ctcp, :output, kind, fromRef, toRef, type, message, level
    end
end

#handling_message(chain, fromRef, toRef, message) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2244

def handling_message (chain, fromRef, toRef, message)
    if chain != :input
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Channel)
        if to.modes[:strip_colors]
            message.gsub!(/\x03((\d{1,2})?(,\d{1,2})?)?/, '')
        end

        if to.modes[:no_colors] && message.include?("\x03")
            from.send :numeric, ERR_NOCOLORS, to.name
            return false
        end

        to.users.each_value {|user|
            if user.client != from
                server.dispatcher.execute :message, :output, fromRef, ref{:user}, message
            end
        }
    elsif to.is_a?(Client)
        server.dispatcher.execute :message, :output, fromRef, toRef, message
    end
end

#handling_notice(chain, fromRef, toRef, message, level = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2329

def handling_notice (chain, fromRef, toRef, message, level=nil)
    if chain != :input
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Channel)
        to.users.each_value {|user|
            if user.client != from && Utils::User::isLevelEnough(user, level)
                server.dispatcher.execute :notice, :output, fromRef, ref{:user}, message, level
            end
        }
    elsif to.is_a?(Client)
        server.dispatcher.execute :notice, :output, fromRef, toRef, message, level
    end
end

#input_encoding(event, thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 695

def input_encoding (event, thing, string)
    if event.chain != :input
        return
    end

    begin
        if thing.modes[:encoding]
            string.force_encoding(thing.modes[:encoding])
            string.encode!('UTF-8')
        else
            string.force_encoding('UTF-8')

            if !string.valid_encoding?
                raise Encoding::InvalidByteSequenceError
            end
        end
    rescue
        if thing.modes[:encoding]
            server.dispatcher.execute :error, thing, 'The encoding you choose seems to not be the one you are using.'
        else
            server.dispatcher.execute :error, thing, 'Please specify the encoding you are using with ENCODING <encoding>'
        end

        string.force_encoding('ASCII-8BIT')

        string.encode!('UTF-8',
            :invalid => :replace,
            :undef   => :replace
        )
    end
end

#invite(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1865

def invite (thing, string)
    match = string.match(/INVITE\s+(.+?)\s+(.+?)$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'INVITE'
        return
    end

    nick    = match[1].strip
    channel = match[2].strip

    if !server.clients[nick]
        thing.send :numeric, ERR_NOSUCHNICK, nick
        return
    end

    if server.channels[channel]
        requesting = server.channels[channel].user(thing) || thing

        if !Utils::checkFlag(requesting, :can_invite) && !thing.channels[channel]
            thing.send :numeric, ERR_NOTONCHANNEL, channel
            return
        end

        if !Utils::checkFlag(requesting, :can_invite)
            thing.send :numeric, ERR_CHANOPRIVSNEEDED, channel
            return
        end

        if server.channels[channel].users[nick]
            thing.send :numeric, ERR_USERONCHANNEL, {
                :nick    => nick,
                :channel => channel,
            }

            return
        end

        if server.channels[channel].modes[:no_invites]
            thing.send :numeric, ERR_NOINVITE, channel
            return false
        end
    end

    client = server.clients[nick]

    if client.modes[:away]
        thing.send :numeric, RPL_AWAY, client
    end

    server.dispatcher.execute :invite, thing, client, channel
end

#ison(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2167

def ison (thing, string)
    match = string.match(/ISON\s+(.+)$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'ISON'
        return
    end

    result = String.new

    match.split(/\s+/).each {|nick|
        if server.clients[nick]
            result << " #{nick}"
        end
    }

    result = result[1, result.length]

    thing.send :numeric, RPL_ISON, result
end

#join(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1625

def join (thing, string)
    match = string.match(/JOIN\s+(.+?)(\s+(.+))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'JOIN'
        return
    end

    if match[1] == '0'
        thing.channels.each_value {|channel|
            server.dispatcher.execute :part, channel[thing.nick], 'Left all channels'
        }

        return
    end

    channels  = match[1].split(/,/)
    passwords = (match[3] || '').split(/,/)

    channels.each {|channel|
        channel.strip!

        if !Utils::Channel::type(channel)
            channel = "##{channel}"
        end

        if !Utils::Channel::isValid(channel)
            thing.send :numeric, ERR_BADCHANMASK, channel
            next
        end

        jump = false

        @semaphore.synchronize {
            if thing.channels[channel] || @joining[thing]
                jump = true
                break
            end

            @joining[thing] = true

            if !server.channels[channel]
                channel = server.channels[channel] = Channel.new(server, channel)
            else
                channel = server.channels[channel]
            end
        }

        if jump
            next
        end

        if !channel.modes[:bans]
            channel.modes[:bans]       = []
            channel.modes[:exceptions] = []
            channel.modes[:invites]    = []
            channel.modes[:invited]    = ThreadSafeHash.new
        end

        if channel.modes[:password]
            password = passwords.shift
        else
            password = ''
        end

        if channel.modes[:l]
            if channel.users.length >= channel.modes[:l]
                @joining.delete(thing)

                if channel.modes[:L]
                    join thing, "JOIN #{channel.modes[:L]}"
                else
                    thing.send :numeric, ERR_CHANNELISFULL, channel.name
                end

                next
            end
        end

        if channel.modes[:ssl_only] && !thing.modes[:ssl]
            thing.send :numeric, ERR_SSLREQUIRED, channel.name
            @joining.delete(thing)
            next
        end

        if channel.modes[:password] && password != channel.modes[:password]
            thing.send :numeric, ERR_BADCHANNELKEY, channel.name
            @joining.delete(thing)
            next
        end

        if channel.modes[:invite_only] && !Utils::Channel::invited?(channel, thing, true)
            thing.send :numeric, ERR_INVITEONLYCHAN, channel.name
            @joining.delete(thing)
            next
        end

        if Utils::Channel::banned?(channel, thing) && !Utils::Channel::exception?(channel, thing) && !Utils::Channel::invited?(channel, thing)
            thing.send :numeric, ERR_BANNEDFROMCHAN, channel.name
            @joining.delete(thing)
            next
        end

        server.dispatcher.execute(:join, thing, channel)

        @joining.delete(thing)
    }
end

#kick(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1808

def kick (thing, string)
    match = string.match(/KICK\s+(.+?)\s+(.+?)(\s+:(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'KICK'
        return
    end

    channel = match[1]
    user    = match[2]
    message = match[4]

    if !Utils::Channel::isValid(channel)
        thing.send :numeric, ERR_BADCHANMASK, channel
        return
    end

    if !server.channels[channel]
        thing.send :numeric, ERR_NOSUCHCHANNEL, channel
        return
    end

    if !server.clients[user]
        thing.send :numeric, ERR_NOSUCHNICK, user
        return
    end

    channel = server.channels[channel]
    user    = channel[user]

    if !user
        thing.send :numeric, ERR_NOTONCHANNEL, channel.name
        return
    end

    if thing.channels[channel.name]
        thing = thing.channels[channel.name].user(thing)
    end

    if Utils::checkFlag(thing, :can_kick)
        if channel.modes[:no_kicks]
            thing.send :numeric, ERR_NOKICKS
        else
            server.dispatcher.execute(:kick, thing, user, message)
        end
    else
        thing.send :numeric, ERR_CHANOPRIVSNEEDED, channel.name
    end
end

#kill(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2486

def kill (thing, string)
    match = string.match(/KILL\s+(.*?)(\s+(:)?(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'KILL'
        return
    end

    if !Utils::checkFlag(thing, :can_kill)
        thing.send :numeric, ERR_NOPRIVILEGES
        return
    end

    nick    = match[1]
    client  = server.clients[nick]
    message = match[4]

    if !client
        thing.send :numeric, ERR_NOSUCHNICK, nick
        return
    end

    sender = thing

    text = eval(Utils::escapeMessage(@messages[:kill]))

    client.send :raw, ":#{client.mask} QUIT :#{text}"

    server.kill client, text
end

#knock(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1934

def knock (thing, string)
    match = string.match(/KNOCK\s+(.+?)(\s+:(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'KNOCK'
        return
    end

    channel = match[1]
    message = match[3]

    if !server.channels[channel]
        thing.send :numeric, ERR_NOKNOCK, { :channel => channel, :reason => 'Channel does not exist!' }
        return
    end

    channel = server.channels[channel]

    if !channel.modes[:i]
        thing.send :numeric, ERR_NOKNOCK, { :channel => channel.name, :reason => 'Channel is not invite only!' }
        return
    end

    if channel.modes[:K]
        thing.send :numeric, ERR_NOKNOCK, { :channel => channel.name, :reason => 'No knocks are allowed! (+K)' }
        return
    end

    server.dispatcher.execute :notice, :input, ref{:server}, ref{:channel}, "[Knock] by #{thing.mask} (#{message ? message : 'no reason specified'})", '@'
    server.dispatcher.execute :notice, :input, ref{:server}, ref{:thing}, "Knocked on #{channel.name}"
end

#list(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2046

def list (thing, string)
    match = string.match(/LIST(\s+(.*))?$/)

    channels = (match[2].strip || '').split(/,/)

    thing.send :numeric, RPL_LISTSTART

    if channels.empty?
        channels = server.channels
    else
        tmp = Channels.new(thing.server)

        channels.each {|channel|
            if channel = server.channels[channel]
                tmp.add(channel)
            end
        }

        channels = tmp
    end

    channels.each_value {|channel|
        if !channel.modes[:secret] || thing.channels[channel.name]
            thing.send :numeric, RPL_LIST, channel
        end
    }

    thing.send :numeric, RPL_LISTEND
end

#map(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2442

def map (thing, string)
    server.dispatcher.execute :notice, :input, ref{:server}, ref{:thing}, 'The X tells the point.'
end

#mode(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 904

def mode (thing, string)
    # MODE user/channel = +option,-option
    match = string.match(/MODE\s+([^ ]+)(\s+(:)?(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'MODE'
        return
    end

    name  = match[1]
    value = match[4] || ''

    # long options, extended protocol
    if match = value.match(/^=\s+(.*)$/)
        if Utils::Channel::isValid(name)
            channel = server.channels[name]

            if channel
                handle_mode channel.user(thing) || thing, channel, value
            else
                thing.send :numeric, ERR_NOSUCHCHANNEL, name
            end
        elsif match = name.match(/^([^@])@(.*)$/)
            user    = match[1]
            channel = match[2]

            if tmp = server.channels[channel]
                channel = tmp

                if tmp = server.clients[user]
                    if tmp = channel.user(tmp)
                        user = tmp

                        handle_mode thing, user, value
                    else
                        thing.send :numeric, ERR_USERNOTINCHANNEL, {
                            :nick    => user,
                            :channel => channel,
                        }
                    end
                else
                    thing.send :numeric, ERR_NOSUCHNICK, user
                end
            else
                thing.send :numeric, ERR_NOSUCHCHANNEL, channel
            end
        else
            if tmp = server.clients[name]
                client = tmp

                handle_mode thing, client, value
            else
                thing.send :numeric, ERR_NOSUCHNICK, name
            end
        end
    # usual shit
    else
        if Utils::Channel::isValid(name)
            if server.channels[name]
                channel = server.channels[name]

                if value.empty?
                    thing.send :numeric, RPL_CHANNELMODEIS, channel
                    thing.send :numeric, RPL_CHANCREATEDON, channel
                else
                    if thing.channels[name]
                        thing = thing.channels[name].user(thing)
                    end

                    handle_mode thing, channel, value
                end
            else
                thing.send :numeric, ERR_NOSUCHCHANNEL, name
            end
        else
            if server.clients[name]
                handle_mode thing, server.clients[name], value
            else
                thing.send :numeric, ERR_NOSUCHNICK, name
            end
        end
    end
end

#names(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2011

def names (thing, string)
    match = string.match(/NAMES\s+(.*)$/i)

    if !match
        thing.send :numeric, RPL_ENDOFNAMES, thing.nick
        return
    end

    channel = match[1].strip

    if channel = thing.channels[channel]
        users = String.new
        thing = channel.user(thing)

        channel.users.each_value {|user|
            if channel.modes[:auditorium] && !Utils::User::isLevelEnough(user, '%') && !Utils::checkFlag(thing, :operator)
                if user.modes[:level]
                    users << " #{user}"
                end
            else
                users << " #{user}"
            end
        }

        users = users[1, users.length]

        thing.send :numeric, RPL_NAMREPLY, {
            :channel => channel.name,
            :users   => users,
        }
    end

    thing.send :numeric, RPL_ENDOFNAMES, channel
end

#nick(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 769

def nick (thing, string)
    if !thing.is_a?(Client)
        return
    end

    match = string.match(/NICK\s+(:)?(.+)$/i)

    # no nickname was passed, so tell the user is a faggot
    if !match
        thing.send :numeric, ERR_NONICKNAMEGIVEN
        return
    end

    nick = match[2].strip

    if server.dispatcher.execute(:client_nick_change, thing, nick) == false
        if !thing.modes[:registered]
            thing.modes[:__warned] = nick
        end

        return
    end

    if !thing.modes[:registered]
        thing.nick = nick

        # try to register it
        Utils::registration(thing)
    else
        ok = true

        thing.channels.each_value {|channel|
            if channel.modes[:no_nick_change] && !Utils::User::isLevelEnough(channel.user(thing), '+')
                thing.send :numeric, ERR_NONICKCHANGE, channel.name
                ok = false
                break
            end
        }

        if !ok
            return false
        end

        server.data[:nicks].delete(nick)

        mask       = thing.mask.clone
        thing.nick = nick

        server.clients[thing.nick] = server.clients.delete(mask.nick)

        thing.channels.each_value {|channel|
            channel.users.add(channel.users.delete(mask.nick))
        }

        if thing.channels.empty?
            thing.send :raw, ":#{mask} NICK :#{nick}"
        else
            thing.channels.unique_users.send :raw, ":#{mask} NICK :#{nick}"
        end
    end
end

#normal_mode(kind, from, thing, type, mode, values, output = {:modes => [], :values => []}) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1048

def normal_mode (kind, from, thing, type, mode, values, output={:modes => [], :values => []})
    if kind != :normal
        return
    end

    if thing.is_a?(Server::Channel)
        case mode

        when 'a'
            if thing.type != '&' && thing.type != '!'
                server.dispatcher.execute :error, from, 'Only & and ! channels can use this mode.'
            end

            if Utils::checkFlag(from, :can_change_anonymous_mode)
                if Utils::checkFlag(thing, :a) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :a, type == '+')

                output[:modes].push('a')
            end

        when 'b'
            if values.empty?
                thing.modes[:bans].each {|ban|
                    from.send :numeric, RPL_BANLIST, ban
                }
                
                from.send :numeric, RPL_ENDOFBANLIST, thing.name
                return
            end

            if Utils::checkFlag(from, :can_channel_ban)
                mask = Mask.parse(values.shift)

                if type == '+'
                    if !thing.modes[:bans].any? {|ban| ban == mask}
                        thing.modes[:bans].push(mask)
                    end
                else
                    result = thing.modes[:bans].reject! {|ban|
                        if ban == mask
                            true
                        end
                    }

                    if !result
                        mask = nil
                    end
                end

                if mask
                    output[:modes].push('b')
                    output[:values].push(mask.to_s)
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'c'
            if Utils::checkFlag(from, :can_change_nocolors_mode)
                if Utils::checkFlag(thing, :c) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :c, type == '+')

                output[:modes].push('c')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'C'
            if Utils::checkFlag(from, :can_change_noctcp_mode)
                if Utils::checkFlag(thing, :C) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :C, type == '+')

                output[:modes].push('C')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'e'
            if Utils::checkFlag(from, :can_add_ban_exception)
                mask = Mask.parse(values.shift)

                if type == '+'
                    if !thing.modes[:exceptions].any? {|exception| exception == mask}
                        thing.modes[:exceptions].push(mask)
                    end
                else
                    result = thing.modes[:exceptions].reject! {|exception|
                        if exception == mask
                            true
                        end
                    }

                    if !result
                        mask = nil
                    end
                end

                if mask
                    output[:modes].push('e')
                    output[:values].push(mask.to_s)
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'h'
            if Utils::checkFlag(from, :can_give_channel_half_operator)
                value = values.shift

                if !(user = thing.users[value])
                    from.send :numeric, ERR_NOSUCHNICK, value
                    return
                end

                if Utils::checkFlag(user, :h) == (type == '+')
                    return
                end

                Utils::User::setLevel(user, :h, (type == '+'))

                output[:modes].push('h')
                output[:values].push(value)
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'i'
            if Utils::checkFlag(from, :can_change_invite_only_mode)
                if Utils::checkFlag(thing, :i) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :i, type == '+')

                output[:modes].push('i')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'I'
            if Utils::checkFlag(from, :can_add_invitation)
                mask = Mask.parse(values.shift)

                if type == '+'
                    if !thing.modes[:invites].any? {|invitation| invitation == mask}
                        thing.modes[:invites].push(mask)
                    end
                else
                    result = thing.modes[:invites].reject! {|invitation|
                        if invitation == mask
                            true
                        end
                    }

                    if !result
                        mask = nil
                    end
                end

                if mask
                    output[:modes].push('I')
                    output[:values].push(mask.to_s)
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'k'
            if Utils::checkFlag(from, :can_change_channel_password)
                if type == '+' && (password = values.shift)
                    Utils::setFlags(thing, :k, true)

                    thing.modes[:password] = password
                else
                    password = thing.modes[:password]

                    Utils::setFlags(thing, :k, false)
                end

                if password
                    output[:modes].push('k')
                    output[:values].push(password)
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'K'
            if Utils::checkFlag(from, :can_change_noknock_mode)
                if Utils::checkFlag(thing, :K) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :K, type == '+')

                output[:modes].push('K')
               
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'l'
            if Utils::checkFlag(from, :can_change_limit_mode)
                if (!Utils::checkFlag(thing, :l) && type == '-') || (Utils::checkFlag(thing, :l) && type == '+')
                    return
                end

                if type == '+'
                    value = values.shift

                    if !value.match(/^\d+$/)
                        return
                    end

                    Utils::setFlags(thing, :l, value)

                    output[:modes].push('l')
                    output[:values].push(value)
                else
                    Utils::setFlags(thing, :l, false)

                    output[:modes].push('l')
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'L'
            if Utils::checkFlag(from, :can_change_redirect_mode)
                if (!Utils::checkFlag(thing, :L) && type == '-') || (Utils::checkFlag(thing, :L) && type == '+')
                    return
                end

                if type == '+'
                    value = values.shift

                    if !Utils::Channel::isValid(value)
                        return
                    end

                    Utils::setFlag(thing, :L, value)

                    output[:modes].push('L')
                    output[:values].push(value)
                else
                    Utils::setFlag(thing, :L, false)

                    output[:modes].push('L')
                end
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'm'
            if Utils::checkFlag(from, :can_change_moderated_mode)
                if Utils::checkFlag(thing, :m) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :m, type == '+')

                output[:modes].push('m')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'n'
            if Utils::checkFlag(from, :can_change_no_external_messages_mode)
                if Utils::checkFlag(thing, :n) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :n, type == '+')

                output[:modes].push('n')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'N'
            if Utils::checkFlag(from, :can_change_no_nick_change_mode)
                if Utils::checkFlag(thing, :N) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :N, type == '+')

                output[:modes].push('N')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'o'
            if Utils::checkFlag(from, :can_give_channel_operator)
                value = values.shift

                if !(user = thing.users[value])
                    from.send :numeric, ERR_NOSUCHNICK, value
                    return
                end

                if Utils::checkFlag(user, :o) == (type == '+')
                    return
                end

                Utils::User::setLevel(user, :o, (type == '+'))

                output[:modes].push('o')
                output[:values].push(value)
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'Q'
            if Utils::checkFlag(from, :can_change_nokicks_mode)
                if Utils::checkFlag(thing, :Q) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :Q, type == '+')

                output[:modes].push('Q')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 's'
            if Utils::checkFlag(from, :can_change_secret_mode)
                if Utils::checkFlag(thing, :s) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :s, type == '+')

                output[:modes].push('s')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'S'
            if Utils::checkFlag(from, :can_change_strip_colors_mode)
                if Utils::checkFlag(thing, :S) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :S, type == '+')

                output[:modes].push('S')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 't'
            if Utils::checkFlag(from, :can_change_topic_mode)
                if Utils::checkFlag(thing, :t) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :t, type == '+')

                output[:modes].push('t')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'u'
            if Utils::checkFlag(from, :can_change_auditorium_mode)
                if Utils::checkFlag(thing, :u) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :u, type == '+')

                output[:modes].push('u')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'v'
            if Utils::checkFlag(from, :can_give_voice)
                value = values.shift

                if !(user = thing.users[value])
                    from.send :numeric, ERR_NOSUCHNICK, value
                    return
                end

                if Utils::checkFlag(user, :v) == (type == '+')
                    return
                end

                Utils::User::setLevel(user, :v, (type == '+'))

                output[:modes].push('v')
                output[:values].push(value)
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'V'
            if Utils::checkFlag(from, :can_change_noinvites_mode)
                if Utils::checkFlag(thing, :V) == (type == '+')
                    return
                end

                Utils::setFlags(thing, :V, type == '+')

                output[:modes].push('V')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'x'
            if Utils::checkFlag(from, :can_give_channel_owner)
                value = values.shift

                if !(user = thing.users[value])
                    from.send :numeric, ERR_NOSUCHNICK, value
                    return
                end

                if Utils::checkFlag(user, :x) == (type == '+')
                    return
                end

                Utils::User::setLevel(user, :x, (type == '+'))

                output[:modes].push('x')
                output[:values].push(value)
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'y'
            if Utils::checkFlag(from, :can_give_channel_admin)
                value = values.shift

                if !(user = thing.users[value])
                    from.send :numeric, ERR_NOSUCHNICK, value
                    return
                end

                if Utils::checkFlag(user, :y) == (type == '+')
                    return
                end

                Utils::User::setLevel(user, :y, (type == '+'))

                output[:modes].push('y')
                output[:values].push(value)
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end

        when 'z'
            if Utils::checkFlag(from, :can_change_ssl_mode)
                if Utils::checkFlag(thing, :z) == (type == '+')
                    return
                end

                if type == '+'
                    ok = true

                    thing.users.each_value {|user|
                        if !Utils::checkFlag(user, :ssl)
                            ok = false
                            break
                        end
                    }

                    if ok
                        Utils::setFlags(thing, :z, true)
                    else
                        from.send :numeric, ERR_ALLMUSTUSESSL
                        return
                    end
                else
                    Utils::setFlags(thing, :z, false)
                end

                output[:modes].push('z')
            else
                from.send :numeric, ERR_CHANOPRIVSNEEDED, thing.name
            end
        end
    elsif thing.is_a?(Server::Client)
    end
end

#notice(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2295

def notice (thing, string)
    match = string.match(/NOTICE\s+(.*?)\s+:(.*)$/i)

    if !match
        return
    end

    name    = match[1]
    message = match[2]

    if client = server.clients[name]
        Utils::dispatchMessage(:notice, thing, client, message)
    else
        if Utils::User::isLevel(name[0, 1])
            level   = name[0, 1]
            channel = name[1, name.length]
        else
            level   = nil
            channel = name
        end

        if !server.channels[channel]
            # unrealircd sends an error if it can't find nick/channel, what should I do?
            return
        end

        channel = server.channels[channel]

        if !channel.modes[:no_external_messages] || channel.user(thing)
            Utils::dispatchMessage(:notice, thing, channel, message, level)
        end
    end
end

#oper(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2452

def oper (thing, string)
    match = string.match(/OPER\s+(.*?)(\s+(.*?))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'OPER'
        return
    end

    password = match[3] || match[1]
    name     = (match[3]) ? match[1] : nil

    mask = thing.mask.clone

    if name
        mask.nick = name
    end

    server.config.elements['config/operators'].elements.each('operator') {|element|
        if mask.match(element.attributes['mask']) && password == element.attributes['password']
            element.attributes['flags'].split(/,/).each {|flag|
                Utils::setFlags(thing, flag.to_sym, true, false, true)
            }

            thing.modes[:message] = 'is an IRC operator'

            thing.send :numeric, RPL_YOUREOPER
            thing.send :raw, ":#{server} MODE #{thing.nick} #{thing.modes}"
            return
        end
    }

    thing.send :numeric, ERR_NOOPERHOST
end

#output_encoding(event, thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 727

def output_encoding (event, thing, string)
    if event.chain != :output
        return
    end

    if thing.modes[:encoding]
        string.encode!(thing.modes[:encoding],
            :invalid => :replace,
            :undef   => :replace
        )
    end
end

#part(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1761

def part (thing, string)
    match = string.match(/PART\s+(.+?)(\s+:(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'PART'
        return
    end

    names   = match[1].split(/,/)
    message = match[3]

    names.each {|name|
        if !Utils::Channel::type(name)
            name = "##{name}"
        end

        channel = server.channels[name]

        if !channel
            thing.send :numeric, ERR_NOSUCHCHANNEL, name
        elsif !thing.channels[name]
            thing.send :numeric, ERR_NOTONCHANNEL, name
        else
            server.dispatcher.execute(:part, channel.user(thing), message)
        end
    }
end

#pass(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 748

def pass (thing, string)
    match = string.match(/PASS\s+(:)?(.+)$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'PASS'
    else
        thing.password = match[2]

        if thing.listen.attributes['password']
            if thing.password != thing.listen.attributes['password']
                server.dispatcher.execute(:error, thing, :close, 'Password mismatch')
                server.kill thing, 'Password mismatch'
                return
            end
        end

        # try to register it
        Utils::registration(thing)
    end
end

#ping(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 863

def ping (thing, string)
    match = string.match(/PING\s+(.*)$/i)

    if !match
        thing.send :numeric, ERR_NOORIGIN
        return
    end

    thing.send :raw, ":#{server.host} PONG #{server.host} :#{match[1]}"

    # RFC isn't that clear about when this error should be shoot
    # thing.send :numeric, ERR_NOSUCHSERVER, match[1]
end

#pong(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 877

def pong (thing, string)
    match = string.match(/PONG\s+(:)?(.*)$/i)

    if !match
        thing.send :numeric, ERR_NOORIGIN
        return
    end

    if match[2] == server.host
        @pingedOut.delete(thing.socket)
    else
        thing.send :numeric, ERR_NOSUCHSERVER, match[2]
    end
end

#privmsg(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2188

def privmsg (thing, string)
    match = string.match(/PRIVMSG\s+(.*?)(\s+:(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NORECIPIENT, 'PRIVMSG'
        return
    end

    if !match[3]
        thing.send :numeric, ERR_NOTEXTTOSEND
        return
    end

    receiver = match[1]
    message  = match[3]

    if Utils::Channel::isValid(receiver)
        channel = server.channels[receiver]

        if !channel
            thing.send :numeric, ERR_NOSUCHNICK, receiver
            return
        end

        thing = channel.user(thing) || thing

        if channel.modes[:moderated] && !Utils::checkFlag(thing, :can_talk)
            thing.send :numeric, ERR_YOUNEEDVOICE, channel.name
            return
        end

        if Utils::Channel::banned?(channel, thing)
            thing.send :numeric, ERR_YOUAREBANNED, channel.name
            return
        end

        if thing.is_a?(Server::User)
            Utils::dispatchMessage(:message, thing, channel, message)
        else
            if server.channels[receiver].modes[:no_external_messages]
                thing.send :numeric, ERR_NOEXTERNALMESSAGES, channel.name
            else
                Utils::dispatchMessage(:message, thing, channel, message)
            end
        end
    else
        client = server.clients[receiver]

        if !client
            thing.send :numeric, ERR_NOSUCHNICK, receiver
        else
            Utils::dispatchMessage(:message, thing, client, message)
        end
    end
end

#quit(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2517

def quit (thing, string)
    match = /^QUIT((\s+)(:)?(.*)?)?$/i.match(string)

    user    = thing
    message = match[4] || user.nick
    text    = eval(Utils::escapeMessage(@messages[:quit]))

    server.kill(thing, text)
end

#rehash ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 293

def rehash
    if tmp = server.config.elements['config/modules/module[@name="Base"]/misc/pingTimeout']
        @pingTimeout = tmp.text.to_f
    else
        @pingTimeout = 60
    end

    if tmp = server.config.elements['config/modules/module[@name="Base"]/misc/nickAllowed']
        @nickAllowed = tmp.text
    else
        @nickAllowed = 'nick.match(/^[\w^`-]{1,23}$/)'
    end

    @messages = {}

    if tmp = server.config.elements['config/modules/module[@name="Base"]/messages/part']
        @messages[:part] = tmp.text
    else
        @messages[:part] = '#{message}'
    end

    if tmp = server.config.elements['config/modules/module[@name="Base"]/messages/quit']
        @messages[:quit] = tmp.text
    else
        @messages[:quit] = 'Quit: #{message}'
    end

    if tmp = server.config.elements['config/modules/module[@name="Base"]/messages/kill']
        @messages[:kill] = tmp.text
    else
        @messages[:kill] = 'Kill: #{(message && !message.empty?) ? message : \'No reason\'} (#{sender.nick})'
    end

    if tmp = server.config.elements['config/modules/module[@name="Base"]/messages/version']
        @messages[:version] = tmp.text
    else
        @messages[:version] = 'THE GAME'
    end
end

#send_ctcp(chain, kind, fromRef, toRef, type, message, level = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2395

def send_ctcp (chain, kind, fromRef, toRef, type, message, level=nil)
    if chain != :output
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Server::User)
        name = to.channel.name

        if to.channel.modes[:anonymous]
            from = Mask.new 'anonymous', 'anonymous', 'anonymous.'
        end
    elsif to.is_a?(Server::Client)
        name = to.nick
    else
        return
    end

    if message
        text = "#{type} #{message}"
    else
        text = type
    end

    if kind == :message
        kind  = 'PRIVMSG'
        level = ''
    elsif kind == :notice
        kind = 'NOTICE'
    end

    if kind.is_a?(String)
        to.send :raw, ":#{from} #{kind} #{level}#{name} :\x01#{text}\x01"
    end
end

#send_error(thing, message, type = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2433

def send_error (thing, message, type=nil)
    case type
    when :close
        send_error(thing, "Closing Link: #{thing.nick}[#{thing.ip}] (#{message})")
    else
        thing.send :raw, "ERROR :#{message}"
    end
end

#send_kick(kicker, kicked, message) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1858

def send_kick (kicker, kicked, message)
    kicked.channel.send :raw, ":#{kicker.mask} KICK #{kicked.channel} #{kicked.nick} :#{message}"

    kicked.channel.delete(kicked)
    kicked.client.channels.delete(kicked.channel)
end

#send_message(chain, fromRef, toRef, message) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2272

def send_message (chain, fromRef, toRef, message)
    if chain != :output
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Server::User)
        name = to.channel.name

        if to.channel.modes[:anonymous]
            from = Mask.new 'anonymous', 'anonymous', 'anonymous.'
        end
    elsif to.is_a?(Server::Client)
        name = to.nick
    else
        return
    end

    to.send :raw, ":#{from} PRIVMSG #{name} :#{message}"
end

#send_notice(chain, fromRef, toRef, message, level = nil) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2348

def send_notice (chain, fromRef, toRef, message, level=nil)
    if chain != :output
        return
    end

    from = fromRef.value
    to   = toRef.value

    if to.is_a?(Server::User)
        name = to.channel.name

        if to.channel.modes[:anonymous]
            from = Mask.new 'anonymous', 'anonymous', 'anonymous.'
        end
    elsif to.is_a?(Server::Client)
        name = to.nick
    else
        return
    end

    to.send :raw, ":#{from} NOTICE #{level}#{name} :#{message}"
end

#send_whois(thing, name) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2118

def send_whois (thing, name)
    if !server.clients[name]
        thing.send :numeric, ERR_NOSUCHNICK, name
        return
    end

    client = server.clients[name]

    thing.send :numeric, RPL_WHOISUSER, client

    if !client.channels.empty?
        channels = ''

        client.channels.each_value {|channel|
            if !channel.modes[:secret] || thing.channels[channel.name]
                channels << " #{channel.user(client).modes[:level]}#{channel.name}"
            end
        }

        channels = channels[1, channels.length]

        thing.send :numeric, RPL_WHOISCHANNELS, {
            :nick     => client.nick,
            :channels => channels,
        }
    end

    thing.send :numeric, RPL_WHOISSERVER, client

    if client.modes[:ssl]
        thing.send :numeric, RPL_USINGSSL, client
    end

    if client.modes[:away]
        thing.send :numeric, RPL_AWAY, client
    end

    if client.modes[:message]
        thing.send :numeric, RPL_WHOISOPERATOR, client
    end

    thing.send :numeric, RPL_WHOISIDLE, client
    thing.send :numeric, RPL_ENDOFWHOIS, client
end

#topic(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1966

def topic (thing, string)
    match = string.match(/TOPIC\s+(.*?)(\s+:(.*))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'TOPIC'
        return
    end

    channel = match[1].strip

    if !server.channels[channel]
        thing.send :numeric, ERR_NOSUCHCHANNEL, channel
        return
    end

    channel = server.channels[channel]

    if !Utils::checkFlag(thing, :can_change_topic) && !thing.channels[channel.name] && !Utils::checkFlag(thing, :operator)
        thing.send :numeric, ERR_NOTONCHANNEL, channel
    else
        if match[2]
            topic = match[3].to_s

            if channel.modes[:t] && !Utils::checkFlag(channel.user(thing), :can_change_topic)
                thing.send :numeric, ERR_CHANOPRIVSNEEDED, channel
            else
                server.dispatcher.execute :topic_change, channel, topic, ref{:thing}
            end
        else
            if !channel.topic
                thing.send :numeric, RPL_NOTOPIC, channel
            else
                thing.send :numeric, RPL_TOPIC, channel.topic
                thing.send :numeric, RPL_TOPICSETON, channel.topic
            end
        end
    end
end

#topic_change(channel, topic, fromRef) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2005

def topic_change (channel, topic, fromRef)
    channel.topic = [fromRef.value, topic]

    channel.send :raw, ":#{channel.topic.setBy} TOPIC #{channel} :#{channel.topic}"
end

#unknown_command(event, thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 740

def unknown_command (event, thing, string)
    match = string.match(/^([^ ]+)/)

    if match && thing.modes[:registered]
        thing.send :numeric, ERR_UNKNOWNCOMMAND, match[1]
    end
end

#user(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 845

def user (thing, string)
    if thing.is_a?(Client)
        match = string.match(/USER\s+([^ ]+)\s+[^ ]+\s+[^ ]+\s+:(.+)$/i)

        if !match
            thing.send :numeric, ERR_NEEDMOREPARAMS, 'USER'
        else
            thing.user     = match[1]
            thing.realName = match[2]

            # try to register it
            Utils::registration(thing)
        end
    elsif thing.is_a?(Link)

    end
end

#user_part(user, message) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 1789

def user_part (user, message)
    if user.client.modes[:quitting]
        return false
    end

    text = eval(Utils::escapeMessage(@messages[:part]))

    if user.channel.modes[:anonymous]
        mask = Mask.new 'anonymous', 'anonymous', 'anonymous.'
    else
        mask = user.mask
    end

    user.channel.send :raw, ":#{mask} PART #{user.channel} :#{text}"

    user.channel.delete(user)
    user.client.channels.delete(user.channel.name)
end

#version(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2446

def version (thing, string)
    comments = eval(Utils::escapeMessage(@messages[:version]))

    thing.send :numeric, RPL_VERSION
end

#who(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2076

def who (thing, string)
    match = string.match(/WHO\s+(.*?)(\s+o)?$/i)

    name = match[1].strip || '*'

    if match
        op = match[2]

        if Utils::Channel::isValid(name) && server.channels[name]
            channel = server.channels[name]

            channel.users.each_value {|user|
                thing.send :numeric, RPL_WHOREPLY, {
                    :channel => channel,
                    :user    => user,
                    :hops    => 0,
                }
            }
        else

        end
    end

    thing.send :numeric, RPL_ENDOFWHO, name
end

#whois(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2102

def whois (thing, string)
    match = string.match(/WHOIS\s+(.+?)(\s+(.+?))?$/i)

    if !match
        thing.send :numeric, ERR_NEEDMOREPARAMS, 'WHOIS'
        return
    end

    names  = (match[3] || match[1]).strip.split(/,/)
    server = match[3] ? match[1].strip : nil

    names.each {|name|
        thing.server.dispatcher.execute(:whois, thing, name)
    }
end

#whowas(thing, string) ⇒ Object 



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# File 'lib/failirc/server/modules/Base.rb', line 2163

def whowas (thing, string)
    thing.send :raw, 'PHONE'
end