added nickserver daemon

1 files changed, 24 insertions, 19 deletions

diff --git a/lib/nickserver/server.rb b/lib/nickserver/server.rb
index 4201cef..21975d4 100644
--- a/lib/nickserver/server.rb
+++ b/lib/nickserver/server.rb
@@ -1,31 +1,36 @@
 require 'eventmachine'
 require 'evma_httpserver'
 
-
 #
 # This is the main HTTP server that clients connect to in order to fetch keys
 #
+# For now, its API is very simple:
+#
+#   GET /keys/<uid>   --> returns OpenPGP key for uid.
+#
 module Nickserver
   class Server < EM::Connection
     include EM::HttpServer
 
+    #
+    # Starts the Nickserver. Must be run inside an EM.run block.
+    #
+    # Available options:
+    #
+    #   * :port (default Nickserver::Config.port)
+    #   * :host (default 0.0.0.0)
+    #
+    def self.start(opts={})
+      options = {:host => '0.0.0.0', :port => Nickserver::Config.port}.merge(opts)
+      EM.start_server options[:host], options[:port], Nickserver::Server
+    end
+
     def post_init
       super
       no_environment_strings
     end
 
     def process_http_request
-      # the http request details are available via the following instance variables:
-      #   @http_protocol
-      #   @http_request_method
-      #   @http_cookie
-      #   @http_if_none_match
-      #   @http_content_type
-      #   @http_path_info
-      #   @http_request_uri
-      #   @http_query_string
-      #   @http_post_content
-      #   @http_headers
       if @http_request_method == "GET"
         if @http_path_info =~ /^\/key\//
           send_key
@@ -43,13 +48,6 @@ module Nickserver
       send_response(:status => 500, :content => msg)
     end
 
-    def send_key
-      uid = CGI.unescape @http_path_info.sub(/^\/key\/(.*)/, '\1')
-      get_key_from_uid(uid) do |key|
-        send_response(:content => key)
-      end
-    end
-
     def send_response(opts = {})
       options = {:status => 200, :content_type => 'text/plain', :content => ''}.merge(opts)
       response = EM::DelegatedHttpResponse.new(self)
@@ -59,6 +57,13 @@ module Nickserver
       response.send_response
     end
 
+    def send_key
+      uid = CGI.unescape @http_path_info.sub(/^\/key\/(.*)/, '\1')
+      get_key_from_uid(uid) do |key|
+        send_response(:content => key)
+      end
+    end
+
     def get_key_from_uid(uid)
       Nickserver::HKP::FetchKey.new.get(uid).callback {|key|
         yield key