From 58d687f927aabc8aa2fdfc46132cb71706bdde46 Mon Sep 17 00:00:00 2001
From: Azul <azul@riseup.net>
Date: Mon, 29 Aug 2016 09:41:12 +0200
Subject: refactor: split up ResponseHandler

Now we have a Dispatcher and two ResponseHandlers that have the same interface.

Moving towards a Chain of Responsibility pattern.
---
 lib/nickserver/request_handler.rb | 106 --------------------------------------
 1 file changed, 106 deletions(-)
 delete mode 100644 lib/nickserver/request_handler.rb

(limited to 'lib/nickserver/request_handler.rb')

diff --git a/lib/nickserver/request_handler.rb b/lib/nickserver/request_handler.rb
deleted file mode 100644
index 1239c44..0000000
--- a/lib/nickserver/request_handler.rb
+++ /dev/null
@@ -1,106 +0,0 @@
-require 'nickserver/hkp/source'
-require 'nickserver/couch_db/source'
-require 'nickserver/request'
-
-module Nickserver
-  class RequestHandler
-
-    def initialize(responder)
-      @responder = responder
-    end
-
-    def respond_to(params, headers)
-      request = Nickserver::Request.new params, headers
-      response = handle request
-      send_response response.status, response.content
-    end
-
-    protected
-
-    def handle(request)
-      handler = handler_for_request request
-      handler.call request
-    rescue RuntimeError => exc
-      puts "Error: #{exc}"
-      puts exc.backtrace
-      ErrorResponse.new(exc.to_s)
-    end
-
-    def handler_for_request(request)
-      if request.email
-        EmailHandler.new
-      elsif request.fingerprint
-        FingerprintHandler.new
-      else
-        Proc.new { Nickserver::Response.new(404, "Not Found\n") }
-      end
-    end
-
-    class EmailHandler
-
-      def call(request)
-        email = EmailAddress.new(request.email)
-        if email.invalid?
-          ErrorResponse.new("Not a valid address")
-        else
-          send_key(email, request)
-        end
-      end
-
-      protected
-
-      def send_key(email, request)
-        if local_address?(email, request)
-          source = Nickserver::CouchDB::Source.new
-        else
-          source = Nickserver::Hkp::Source.new
-        end
-        source.query(email)
-      rescue MissingHostHeader
-        ErrorResponse.new("HTTP request must include a Host header.")
-      end
-
-      #
-      # Return true if the user address is for a user of this service provider.
-      # e.g. if the provider is example.org, then alice@example.org returns true.
-      #
-      # If 'domain' is not configured, we rely on the Host header of the HTTP request.
-      #
-      def local_address?(email, request)
-        domain = Config.domain || request.domain
-        raise MissingHostHeader if domain == ''
-        email.domain? domain
-      end
-    end
-
-    class FingerprintHandler
-
-      def call(request)
-        fingerprint = request.fingerprint
-        if fingerprint.length == 40 && !fingerprint[/\H/]
-          source = Nickserver::Hkp::Source.new
-          source.get_key_by_fingerprint(fingerprint)
-        else
-          ErrorResponse.new('Fingerprint invalid: ' + fingerprint)
-        end
-      end
-
-    end
-
-    class ErrorResponse < Nickserver::Response
-      def initialize(message)
-        @status = 500
-        @message = message + "\n"
-      end
-    end
-
-    def send_response(status = 200, content = '')
-      responder.respond status, content
-    end
-
-    attr_reader :responder
-
-    class MissingHostHeader < StandardError
-    end
-  end
-end
-- 
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