1 files changed, 61 insertions, 0 deletions
diff --git a/lib/webrick/httpauth/htgroup.rb b/lib/webrick/httpauth/htgroup.rb
new file mode 100644
index 0000000000..c9270c61cc
--- /dev/null
+++ b/lib/webrick/httpauth/htgroup.rb
@@ -0,0 +1,61 @@
+#
+# 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
+    class Htgroup
+      def initialize(path)
+        @path = path
+        @mtime = Time.at(0)
+        @group = Hash.new
+        open(@path,"a").close unless File::exist?(@path)
+        reload
+      end
+
+      def reload
+        if (mtime = File::mtime(@path)) > @mtime
+          @group.clear
+          open(@path){|io|
+            while line = io.gets
+              line.chomp!
+              group, members = line.split(/:\s*/)
+              @group[group] = members.split(/\s+/)
+            end
+          }
+          @mtime = mtime
+        end
+      end
+
+      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
+
+      def members(group)
+        reload
+        @group[group] || []
+      end
+
+      def add(group, members)
+        @group[group] = members(group) | members
+      end
+    end
+  end
+end