diff options
author | Giuseppe Bilotta <giuseppe.bilotta@gmail.com> | 2006-08-03 14:07:12 +0000 |
---|---|---|
committer | Giuseppe Bilotta <giuseppe.bilotta@gmail.com> | 2006-08-03 14:07:12 +0000 |
commit | 2f16f07869ba4376248c429c676bd7d32c25bdb7 (patch) | |
tree | 70aed47b3602a8d96054544c4f56d4b97fedfb6d /lib/rbot/auth.rb | |
parent | 6bf3094ac4ad043f00a3ef8cc2af48a8c23d114a (diff) |
Initial version of the new auth coremodule
Diffstat (limited to 'lib/rbot/auth.rb')
-rw-r--r-- | lib/rbot/auth.rb | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/lib/rbot/auth.rb b/lib/rbot/auth.rb deleted file mode 100644 index c865636c..00000000 --- a/lib/rbot/auth.rb +++ /dev/null @@ -1,314 +0,0 @@ -module Irc - - # globmask:: glob to test with - # netmask:: netmask to test against - # Compare a netmask with a standard IRC glob, e.g foo!bar@baz.com would - # match *!*@baz.com, foo!*@*, *!bar@*, etc. - def Irc.netmaskmatch( globmask, netmask ) - regmask = Regexp.escape( globmask ) - regmask.gsub!( /\\\*/, '.*' ) - return true if(netmask =~ /#{regmask}/i) - return false - end - - # check if a string is an actual IRC hostmask - def Irc.ismask?(mask) - mask =~ /^.+!.+@.+$/ - end - - Struct.new( 'UserData', :level, :password, :hostmasks ) - - # User-level authentication to allow/disallow access to bot commands based - # on hostmask and userlevel. - class IrcAuth - BotConfig.register BotConfigStringValue.new( 'auth.password', - :default => 'rbotauth', :wizard => true, - :desc => 'Your password for maxing your auth with the bot (used to associate new hostmasks with your owner-status etc)' ) - BotConfig.register BotConfigIntegerValue.new( 'auth.default_level', - :default => 10, :wizard => true, - :desc => 'The default level for new/unknown users' ) - - # create a new IrcAuth instance. - # bot:: associated bot class - def initialize(bot) - @bot = bot - @users = Hash.new do - Struct::UserData.new(@bot.config['auth.default_level'], '', []) - end - @levels = Hash.new(0) - @currentUsers = Hash.new( nil ) - if( File.exist?( "#{@bot.botclass}/users.yaml" ) ) - File.open( "#{@bot.botclass}/users.yaml" ) { |file| - # work around YAML not maintaining the default proc - @loadedusers = YAML::parse(file).transform - @users.update(@loadedusers) - } - end - if(File.exist?("#{@bot.botclass}/levels.rbot")) - IO.foreach("#{@bot.botclass}/levels.rbot") do |line| - if(line =~ /\s*(\d+)\s*(\S+)/) - level = $1.to_i - command = $2 - @levels[command] = level - end - end - end - if @levels.length < 1 - raise RuntimeError, "No valid levels.rbot found! If you really want a free-for-all bot and this isn't the result of a previous error, write a proper levels.rbot" - end - end - - # save current users and levels to files. - # levels are written to #{botclass}/levels.rbot - # users are written to #{botclass}/users.yaml - def save - Dir.mkdir("#{@bot.botclass}") if(!File.exist?("#{@bot.botclass}")) - begin - debug "Writing new users.yaml ..." - File.open("#{@bot.botclass}/users.yaml.new", 'w') do |file| - file.puts @users.to_yaml - end - debug "Officializing users.yaml ..." - File.rename("#{@bot.botclass}/users.yaml.new", - "#{@bot.botclass}/users.yaml") - rescue - error "failed to write configuration file users.yaml! #{$!}" - error "#{e.class}: #{e}" - error e.backtrace.join("\n") - end - begin - debug "Writing new levels.rbot ..." - File.open("#{@bot.botclass}/levels.rbot.new", 'w') do |file| - @levels.each do |key, value| - file.puts "#{value} #{key}" - end - end - debug "Officializing levels.rbot ..." - File.rename("#{@bot.botclass}/levels.rbot.new", - "#{@bot.botclass}/levels.rbot") - rescue - error "failed to write configuration file levels.rbot! #{$!}" - error "#{e.class}: #{e}" - error e.backtrace.join("\n") - end - end - - # command:: command user wishes to perform - # mask:: hostmask of user - # tell:: optional recipient for "insufficient auth" message - # - # returns true if user with hostmask +mask+ is permitted to perform - # +command+ optionally pass tell as the target for the "insufficient auth" - # message, if the user is not authorised - def allow?( command, mask, tell=nil ) - auth = @users[matchingUser(mask)].level # Directly using @users[] is possible, because UserData has a default setting - if( auth >= @levels[command] ) - return true - else - debug "#{mask} is not allowed to perform #{command}" - @bot.say tell, "insufficient \"#{command}\" auth (have #{auth}, need #{@levels[command]})" if tell - return false - end - end - - # add user with hostmask matching +mask+ with initial auth level +level+ - def useradd( username, level=@bot.config['auth.default_level'], password='', hostmask='*!*@*' ) - @users[username] = Struct::UserData.new( level, password, [hostmask] ) if ! @users.has_key? username - end - - # mask:: mask of user to remove - # remove user with mask +mask+ - def userdel( username ) - @users.delete( username ) if @users.has_key? username - end - - def usermod( username, item, value=nil ) - if @users.has_key?( username ) - case item - when 'hostmask' - if Irc.ismask?( value ) - @users[username].hostmasks = [ value ] - return true - end - when '+hostmask' - if Irc.ismask?( value ) - @users[username].hostmasks += [ value ] - return true - end - when '-hostmask' - if Irc.ismask?( value ) - @users[username].hostmasks -= [ value ] - return true - end - when 'password' - @users[username].password = value - return true - when 'level' - @users[username].level = value.to_i - return true - else - debug "usermod: Tried to modify unknown item #{item}" - # @bot.say tell, "Unknown item #{item}" if tell - end - end - return false - end - - # command:: command to adjust - # level:: new auth level for the command - # set required auth level of +command+ to +level+ - def setlevel(command, level) - @levels[command] = level - end - - def matchingUser( mask ) - currentUser = nil - currentLevel = 0 - @users.each { |user, data| # TODO Will get easier if YPaths are used... - if data.level > currentLevel - data.hostmasks.each { |hostmask| - if Irc.netmaskmatch( hostmask, mask ) - currentUser = user - currentLevel = data.level - end - } - end - } - currentUser - end - - def identify( mask, username, password ) - return false unless @users.has_key?(username) && @users[username].password == password - @bot.auth.usermod( username, '+hostmask', mask ) - return true - end - - # return all currently defined commands (for which auth is required) and - # their required authlevels - def showlevels - reply = 'Current levels are:' - @levels.sort.each { |key, value| - reply += " #{key}(#{value})" - } - reply - end - - # return all currently defined users and their authlevels - def showusers - reply = 'Current users are:' - @users.sort.each { |key, value| - reply += " #{key}(#{value.level})" - } - reply - end - - def showdetails( username ) - if @users.has_key? username - reply = "#{username}(#{@users[username].level}):" - @users[username].hostmasks.each { |hostmask| - reply += " #{hostmask}" - } - end - reply - end - - # module help - def help(topic='') - case topic - when 'setlevel' - return 'setlevel <command> <level> => Sets required level for <command> to <level> (private addressing only)' - when 'useradd' - return 'useradd <username> => Add user <mask>, you still need to set him up correctly (private addressing only)' - when 'userdel' - return 'userdel <username> => Remove user <username> (private addressing only)' - when 'usermod' - return 'usermod <username> <item> <value> => Modify <username>s settings. Valid <item>s are: hostmask, (+|-)hostmask, password, level (private addressing only)' - when 'auth' - return 'auth <masterpw> => Create a user with your hostmask and master password as bot master (private addressing only)' - when 'levels' - return 'levels => list commands and their required levels (private addressing only)' - when 'users' - return 'users [<username>]=> list users and their levels or details about <username> (private addressing only)' - when 'whoami' - return 'whoami => Show as whom you are recognized (private addressing only)' - when 'identify' - return 'identify <username> <password> => Identify your hostmask as belonging to <username> (private addressing only)' - else - return 'Auth module (User authentication) topics: setlevel, useradd, userdel, usermod, auth, levels, users, whoami, identify' - end - end - - # privmsg handler - def privmsg(m) - if(m.address? && m.private?) - case m.message - when (/^setlevel\s+(\S+)\s+(\d+)$/) - if( @bot.auth.allow?( 'auth', m.source, m.replyto ) ) - @bot.auth.setlevel( $1, $2.to_i ) - m.reply "level for #$1 set to #$2" - end - when( /^useradd\s+(\S+)/ ) # FIXME Needs review!!! (\s+(\S+)(\s+(\S+)(\s+(\S+))?)?)? Should this part be added to make complete useradds possible? - if( @bot.auth.allow?( 'auth', m.source, m.replyto ) ) - @bot.auth.useradd( $1 ) - m.reply "added user #$1, please set him up correctly" - end - when( /^userdel\s+(\S+)/ ) - if( @bot.auth.allow?( 'auth', m.source, m.replyto ) ) - @bot.auth.userdel( $1 ) - m.reply "user #$1 is gone" - end - when( /^usermod\s+(\S+)\s+(\S+)\s+(\S+)/ ) - if( @bot.auth.allow?('auth', m.source, m.replyto ) ) - if( @bot.auth.usermod( $1, $2, $3 ) ) - m.reply "Set #$2 of #$1 to #$3" - else - m.reply "Failed to set #$2 of #$1 to #$3" - end - end - when( /^setpassword\s+(\S+)/ ) - password = $1 - user = @bot.auth.matchingUser( m.source ) - if user - if @bot.auth.usermod(user, 'password', password) - m.reply "Your password has been set to #{password}" - else - m.reply "Couldn't set password" - end - else - m.reply 'You don\'t belong to any user.' - end - when (/^auth\s+(\S+)/) - if( $1 == @bot.config['auth.password'] ) - if ! @users.has_key? 'master' - @bot.auth.useradd( 'master', 1000, @bot.config['auth.password'], m.source ) - else - @bot.auth.usermod( 'master', '+hostmask', m.source ) - end - m.reply 'Identified, security level maxed out' - else - m.reply 'Incorrect password' - end - when( /^identify\s+(\S+)\s+(\S+)/ ) - if @bot.auth.identify( m.source, $1, $2 ) - m.reply "Identified as #$1 (#{@users[$1].level})" - else - m.reply 'Incorrect username/password' - end - when( 'whoami' ) - user = @bot.auth.matchingUser( m.source ) - if user - m.reply "I recognize you as #{user} (#{@users[user].level})" - else - m.reply 'You don\'t belong to any user.' - end - when( /^users\s+(\S+)/ ) - m.reply @bot.auth.showdetails( $1 ) if( @bot.auth.allow?( 'auth', m.source, m.replyto ) ) - when ( 'levels' ) - m.reply @bot.auth.showlevels if( @bot.auth.allow?( 'config', m.source, m.replyto ) ) - when ( 'users' ) - m.reply @bot.auth.showusers if( @bot.auth.allow?( 'users', m.source, m.replyto ) ) - end - end - end - end -end |