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# frozen_string_literal: false # # httpauth/htgroup.rb -- Apache compatible htgroup file # # Author: IPR -- Internet Programming with Ruby -- writers # Copyright (c) 2003 Internet Programming with Ruby writers. All rights # reserved. # # $IPR: htgroup.rb,v 1.1 2003/02/16 22:22:56 gotoyuzo Exp $ require 'tempfile' module WEBrick module HTTPAuth ## # Htgroup accesses apache-compatible group files. Htgroup can be used to # provide group-based authentication for users. Currently Htgroup is not # directly integrated with any authenticators in WEBrick. For security, # the path for a digest password database should be stored outside of the # paths available to the HTTP server. # # Example: # # htgroup = WEBrick::HTTPAuth::Htgroup.new 'my_group_file' # htgroup.add 'superheroes', %w[spiderman batman] # # htgroup.members('superheroes').include? 'magneto' # => false class Htgroup ## # Open a group database at +path+ def initialize(path) @path = path @mtime = Time.at(0) @group = Hash.new File.open(@path,"a").close unless File.exist?(@path) reload end ## # Reload groups from the database def reload if (mtime = File::mtime(@path)) > @mtime @group.clear File.open(@path){|io| while line = io.gets line.chomp! group, members = line.split(/:\s*/) @group[group] = members.split(/\s+/) end } @mtime = mtime end end ## # Flush the group database. If +output+ is given the database will be # written there instead of to the original path. def flush(output=nil) output ||= @path tmp = Tempfile.new("htgroup", File::dirname(output)) begin @group.keys.sort.each{|group| tmp.puts(format("%s: %s", group, self.members(group).join(" "))) } tmp.close File::rename(tmp.path, output) rescue tmp.close(true) end end ## # Retrieve the list of members from +group+ def members(group) reload @group[group] || [] end ## # Add an Array of +members+ to +group+ def add(group, members) @group[group] = members(group) | members end end end end