X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=lib%2Frbot%2Fplugins.rb;h=b0626b9687181c8416e5d3e68e19ce0efaa439b4;hb=a4ff366eea4c88083be8a3d30cc6395f17b55fe2;hp=546a9b30882cfc3a8613fc326e3b79945dae8b25;hpb=5cc6ece3d483db28f92f82a78b926ba6ce62769d;p=user%2Fhenk%2Fcode%2Fruby%2Frbot.git diff --git a/lib/rbot/plugins.rb b/lib/rbot/plugins.rb index 546a9b30..b0626b96 100644 --- a/lib/rbot/plugins.rb +++ b/lib/rbot/plugins.rb @@ -2,7 +2,7 @@ require 'singleton' module Irc BotConfig.register BotConfigArrayValue.new('plugins.blacklist', - :default => [], :wizard => false, :requires_restart => true, + :default => [], :wizard => false, :requires_rescan => true, :desc => "Plugins that should not be loaded") module Plugins require 'rbot/messagemapper' @@ -98,13 +98,21 @@ module Plugins class BotModule attr_reader :bot # the associated bot + attr_reader :botmodule_class # the botmodule class (:coremodule or :plugin) + # initialise your bot module. Always call super if you override this method, # as important variables are set up for you - def initialize - @bot = Plugins.pluginmanager.bot + def initialize(kl) + @manager = Plugins::pluginmanager + @bot = @manager.bot + + @botmodule_class = kl.to_sym @botmodule_triggers = Array.new + @handler = MessageMapper.new(self) @registry = BotRegistryAccessor.new(@bot, self.class.to_s.gsub(/^.*::/, "")) + + @manager.add_botmodule(self) end def flush_registry @@ -122,10 +130,10 @@ module Plugins end def map(*args) - @handler.map(*args) + @handler.map(self, *args) # register this map name = @handler.last.items[0] - self.register name + self.register name, :auth => nil unless self.respond_to?('privmsg') def self.privmsg(m) handle(m) @@ -134,10 +142,10 @@ module Plugins end def map!(*args) - @handler.map(*args) + @handler.map(self, *args) # register this map name = @handler.last.items[0] - self.register name, {:hidden => true} + self.register name, :auth => nil, :hidden => true unless self.respond_to?('privmsg') def self.privmsg(m) handle(m) @@ -145,10 +153,34 @@ module Plugins end end + # Sets the default auth for command path _cmd_ to _val_ on channel _chan_: + # usually _chan_ is either "*" for everywhere, public and private (in which + # case it can be omitted) or "?" for private communications + # + def default_auth(cmd, val, chan="*") + case cmd + when "*", "" + c = nil + else + c = cmd + end + Auth::defaultbotuser.set_default_permission(propose_default_path(c), val) + end + + # Gets the default command path which would be given to command _cmd_ + def propose_default_path(cmd) + [name, cmd].compact.join("::") + end + # return an identifier for this plugin, defaults to a list of the message # prefixes handled (used for error messages etc) def name - self.class.downcase.sub(/(plugin)?$/,"") + self.class.to_s.downcase.sub(/^#::/,"").sub(/(plugin|module)?$/,"") + end + + # just calls name + def to_s + name end # return a help string for your module. for complex modules, you may wish @@ -163,11 +195,15 @@ module Plugins # register the plugin as a handler for messages prefixed +name+ # this can be called multiple times for a plugin to handle multiple # message prefixes - def register(name, kl, opts={}) - raise ArgumentError, "Third argument must be a hash!" unless opts.kind_of?(Hash) - return if Plugins.pluginmanager.botmodules[kl].has_key?(name) - Plugins.pluginmanager.botmodules[kl][name] = self - @botmodule_triggers << name unless opts.fetch(:hidden, false) + def register(cmd, opts={}) + raise ArgumentError, "Second argument must be a hash!" unless opts.kind_of?(Hash) + return if @manager.knows?(cmd, @botmodule_class) + if opts.has_key?(:auth) + @manager.register(self, cmd, opts[:auth]) + else + @manager.register(self, cmd, propose_default_path(cmd)) + end + @botmodule_triggers << cmd unless opts.fetch(:hidden, false) end # default usage method provided as a utility for simple plugins. The @@ -179,20 +215,18 @@ module Plugins end class CoreBotModule < BotModule - def register(name, opts={}) - raise ArgumentError, "Second argument must be a hash!" unless opts.kind_of?(Hash) - super(name, :core, opts) + def initialize + super(:coremodule) end end class Plugin < BotModule - def register(name, opts={}) - raise ArgumentError, "Second argument must be a hash!" unless opts.kind_of?(Hash) - super(name, :plugin, opts) + def initialize + super(:plugin) end end - # class to manage multiple plugins and delegate messages to them for + # Singleton to manage multiple plugins and delegate messages to them for # handling class PluginManagerClass include Singleton @@ -201,29 +235,71 @@ module Plugins def initialize bot_associate(nil) + + @dirs = [] end - # Associate with bot _bot_ - def bot_associate(bot) + # Reset lists of botmodules + def reset_botmodule_lists @botmodules = { - :core => Hash.new, - :plugin => Hash.new + :coremodule => [], + :plugin => [] + } + + @commandmappers = { + :coremodule => {}, + :plugin => {} } - # associated IrcBot class + end + + # Associate with bot _bot_ + def bot_associate(bot) + reset_botmodule_lists @bot = bot end - # Returns a hash of the registered message prefixes and associated - # plugins + # Returns +true+ if _name_ is a known botmodule of class kl + def knows?(name, kl) + return @commandmappers[kl.to_sym].has_key?(name.to_sym) + end + + # Registers botmodule _botmodule_ with command _cmd_ and command path _auth_path_ + def register(botmodule, cmd, auth_path) + raise TypeError, "First argument #{botmodule.inspect} is not of class BotModule" unless botmodule.kind_of?(BotModule) + kl = botmodule.botmodule_class + @commandmappers[kl.to_sym][cmd.to_sym] = {:botmodule => botmodule, :auth => auth_path} + h = @commandmappers[kl.to_sym][cmd.to_sym] + # debug "Registered command mapper for #{cmd.to_sym} (#{kl.to_sym}): #{h[:botmodule].name} with command path #{h[:auth]}" + end + + def add_botmodule(botmodule) + raise TypeError, "Argument #{botmodule.inspect} is not of class BotModule" unless botmodule.kind_of?(BotModule) + kl = botmodule.botmodule_class + raise "#{kl.to_s} #{botmodule.name} already registered!" if @botmodules[kl.to_sym].include?(botmodule) + @botmodules[kl.to_sym] << botmodule + end + + # Returns an array of the loaded plugins + def core_modules + @botmodules[:coremodule] + end + + # Returns an array of the loaded plugins def plugins @botmodules[:plugin] end + # Returns a hash of the registered message prefixes and associated + # plugins + def plugin_commands + @commandmappers[:plugin] + end + # Returns a hash of the registered message prefixes and associated # core modules - def core_modules - @botmodules[:core] + def core_commands + @commandmappers[:coremodule] end # Makes a string of error _err_ by adding text _str_ @@ -246,6 +322,7 @@ module Plugins plugin_module = Module.new desc = desc.to_s + " " if desc + begin plugin_string = IO.readlines(fname).join("") debug "loading #{desc}#{fname}" @@ -272,31 +349,14 @@ module Plugins end private :load_botmodule_file - # Load core botmodules - def load_core(dir) - # TODO FIXME should this be hardcoded? - if(FileTest.directory?(dir)) - d = Dir.new(dir) - d.sort.each { |file| - next unless(file =~ /[^.]\.rb$/) - - did_it = load_botmodule_file("#{dir}/#{file}", "core module") - case did_it - when Symbol - # debug "loaded core botmodule #{dir}/#{file}" - when Exception - raise "failed to load core botmodule #{dir}/#{file}!" - end - } - end - end - - # dirlist:: array of directories to scan (in order) for plugins + # add one or more directories to the list of directories to + # load botmodules from # - # create a new plugin handler, scanning for plugins in +dirlist+ - def load_plugins(dirlist) - @dirs = dirlist - scan + # TODO find a way to specify necessary plugins which _must_ be loaded + # + def add_botmodule_dir(*dirlist) + @dirs += dirlist + debug "Botmodule loading path: #{@dirs.join(', ')}" end # load plugins from pre-assigned list of directories @@ -310,11 +370,8 @@ module Plugins processed[pn.intern] = :blacklisted } - dirs = Array.new - # TODO FIXME should this be hardcoded? - dirs << Config::datadir + "/plugins" - dirs += @dirs - dirs.reverse.each {|dir| + dirs = @dirs + dirs.each {|dir| if(FileTest.directory?(dir)) d = Dir.new(dir) d.sort.each {|file| @@ -349,6 +406,7 @@ module Plugins } end } + debug "finished loading plugins: #{status(true)}" end # call the save method for each active plugin @@ -360,6 +418,7 @@ module Plugins # call the cleanup method for each active plugin def cleanup delegate 'cleanup' + reset_botmodule_lists end # drop all plugins and rescan plugins on disk @@ -367,21 +426,31 @@ module Plugins def rescan save cleanup - plugins.clear scan end def status(short=false) + list = "" + if self.core_length > 0 + list << "#{self.core_length} core module#{'s' if core_length > 1}" + if short + list << " loaded" + else + list << ": " + core_modules.collect{ |p| p.name}.sort.join(", ") + end + else + list << "no core botmodules loaded" + end # Active plugins first if(self.length > 0) - list = "#{self.length} plugin#{'s' if length > 1}" + list << "; #{self.length} plugin#{'s' if length > 1}" if short list << " loaded" else - list << ": " + @@plugins.values.uniq.collect{|p| p.name}.sort.join(", ") + list << ": " + plugins.collect{ |p| p.name}.sort.join(", ") end else - list = "no plugins active" + list << "no plugins active" end # Ignored plugins next unless @ignored.empty? @@ -398,11 +467,15 @@ module Plugins # return list of help topics (plugin names) def helptopics - return " [#{status}]" + return status end def length - plugins.values.uniq.length + plugins.length + end + + def core_length + core_modules.length end # return help for +topic+ (call associated plugin's help method) @@ -411,15 +484,15 @@ module Plugins when /fail(?:ed)?\s*plugins?.*(trace(?:back)?s?)?/ # debug "Failures: #{@failed.inspect}" return "no plugins failed to load" if @failed.empty? - return (@failed.inject(Array.new) { |list, p| + return @failed.inject(Array.new) { |list, p| list << "#{Bold}#{p[:name]}#{Bold} in #{p[:dir]} failed" list << "with error #{p[:reason].class}: #{p[:reason]}" list << "at #{p[:reason].backtrace.join(', ')}" if $1 and not p[:reason].backtrace.empty? list - }).join("\n") + }.join("\n") when /ignored?\s*plugins?/ return "no plugins were ignored" if @ignored.empty? - return (@ignored.inject(Array.new) { |list, p| + return @ignored.inject(Array.new) { |list, p| case p[:reason] when :loaded list << "#{p[:name]} in #{p[:dir]} (overruled by previous)" @@ -427,61 +500,105 @@ module Plugins list << "#{p[:name]} in #{p[:dir]} (#{p[:reason].to_s})" end list - }).join(", ") + }.join(", ") when /^(\S+)\s*(.*)$/ key = $1 params = $2 - if(@@plugins.has_key?(key)) + + # We test for the mapped commands first + k = key.to_sym + [core_commands, plugin_commands].each { |pl| + next unless pl.has_key?(k) + p = pl[k][:botmodule] begin - return @@plugins[key].help(key, params) + return p.help(key, params) rescue Exception => err #rescue TimeoutError, StandardError, NameError, SyntaxError => err - error report_error("plugin #{@@plugins[key].name} help() failed:", err) + error report_error("#{p.botmodule_class} #{p.name} help() failed:", err) end - else - return false - end + } + + # If no such commmand was found, we look for a botmodule with that name + (core_modules + plugins).each { |p| + next unless p.name == key + begin + return p.help(key, params) + rescue Exception => err + #rescue TimeoutError, StandardError, NameError, SyntaxError => err + error report_error("#{p.botmodule_class} #{p.name} help() failed:", err) + end + } end + return false end # see if each plugin handles +method+, and if so, call it, passing # +message+ as a parameter def delegate(method, *args) + # debug "Delegating #{method.inspect}" [core_modules, plugins].each { |pl| - pl.values.uniq.each {|p| + pl.each {|p| if(p.respond_to? method) begin + # debug "#{p.botmodule_class} #{p.name} responds" p.send method, *args rescue Exception => err - #rescue TimeoutError, StandardError, NameError, SyntaxError => err - error report_error("plugin #{p.name} #{method}() failed:", err) + raise if err.kind_of?(SystemExit) + error report_error("#{p.botmodule_class} #{p.name} #{method}() failed:", err) + raise if err.kind_of?(BDB::Fatal) end end } } + # debug "Finished delegating #{method.inspect}" end # see if we have a plugin that wants to handle this message, if so, pass # it to the plugin and return true, otherwise false def privmsg(m) - [core_modules, plugins].each { |pl| - return unless(m.plugin) - if (pl.has_key?(m.plugin) && - pl[m.plugin].respond_to?("privmsg") && - @bot.auth.allow?(m.plugin, m.source, m.replyto)) - begin - pl[m.plugin].privmsg(m) - rescue BDB::Fatal => err - error error_report("plugin #{pl[m.plugin].name} privmsg() failed:", err) - raise - rescue Exception => err - #rescue TimeoutError, StandardError, NameError, SyntaxError => err - error "plugin #{pl[m.plugin].name} privmsg() failed: #{err.class}: #{err}\n#{error err.backtrace.join("\n")}" + # debug "Delegating privmsg #{m.message.inspect} from #{m.source} to #{m.replyto} with pluginkey #{m.plugin.inspect}" + return unless m.plugin + [core_commands, plugin_commands].each { |pl| + # We do it this way to skip creating spurious keys + # FIXME use fetch? + k = m.plugin.to_sym + if pl.has_key?(k) + p = pl[k][:botmodule] + a = pl[k][:auth] + else + p = nil + a = nil + end + if p + # We check here for things that don't check themselves + # (e.g. mapped things) + # debug "Checking auth ..." + if a.nil? || @bot.auth.allow?(a, m.source, m.replyto) + # debug "Checking response ..." + if p.respond_to?("privmsg") + begin + # debug "#{p.botmodule_class} #{p.name} responds" + p.privmsg(m) + rescue Exception => err + raise if err.kind_of?(SystemExit) + error report_error("#{p.botmodule_class} #{p.name} privmsg() failed:", err) + raise if err.kind_of?(BDB::Fatal) + end + # debug "Successfully delegated #{m.message}" + return true + else + # debug "#{p.botmodule_class} #{p.name} is registered, but it doesn't respond to privmsg()" + end + else + # debug "#{p.botmodule_class} #{p.name} is registered, but #{m.source} isn't allowed to call #{m.plugin.inspect} on #{m.replyto}" end - return true + else + # debug "No #{pl.values.first[:botmodule].botmodule_class} registered #{m.plugin.inspect}" unless pl.empty? end - return false + # debug "Finished delegating privmsg with key #{m.plugin.inspect}" + ( pl.empty? ? "" : " to #{pl.values.first[:botmodule].botmodule_class}s" ) } + return false + # debug "Finished delegating privmsg with key #{m.plugin.inspect}" end end