extend server with protocol information

This extends the server class with the information, if it is serving
http or https. This can then be used to generate a root uri to the web
application.

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/zero/request/server.rb b/lib/zero/request/server.rb
index 0aa82c8..8cf5092 100644
--- a/lib/zero/request/server.rb
+++ b/lib/zero/request/server.rb
@@ -14,6 +14,30 @@ module Zero
       # the key for the server software
       # @api private
       KEY_SERVER_SOFTWARE = 'SERVER_SOFTWARE'
+      # the key for https
+      # @api private
+      KEY_HTTPS           = 'HTTPS'
+      # the https on switch
+      # @api private
+      KEY_HTTPS_ON_SWITCH = ['on', 'yes', '1']
+      # the string for http
+      # @api private
+      HTTP                = 'http'
+      # the string for https
+      # @api private
+      HTTPS               = 'https'
+      # protocol seperator
+      # @api private
+      URI_SEP_PROTOCOL    = '://'
+      # port separator
+      # @api private
+      URI_SEP_PORT        = ':'
+      # default http port
+      # @api private
+      DEFAULT_PORT_HTTP   = 80
+      # default https port
+      # @api private
+      DEFAULT_PORT_HTTPS  = 443
 
       # This creates a new server instance extracting all server related
       #  information from the environment.
@@ -22,6 +46,12 @@ module Zero
         @port     = environment[KEY_SERVER_PORT].to_i
         @protocol = environment[KEY_SERVER_PROTOCOL]
         @software = environment[KEY_SERVER_SOFTWARE]
+        p environment[KEY_HTTPS]
+        if KEY_HTTPS_ON_SWITCH.include?(environment[KEY_HTTPS])
+          @is_https = true
+        else
+          @is_https = false
+        end
       end
 
       # get the port
@@ -36,6 +66,23 @@ module Zero
       # get the server software
       # @return [String] the server software name
       attr_reader :software
+      # get if the request is served through https
+      # @return [Boolean] true if server got the request through https
+      def is_https?; @is_https; end
+      # get if the request is served through http
+      # @return [Boolean] true if server got the request though http
+      def is_http?; !@is_https; end
+
+      # return the uri to the server
+      # @return [String] the root uri to the server
+      def uri
+        uri = (is_https? ? HTTPS : HTTP) + URI_SEP_PROTOCOL + hostname
+        if (port == DEFAULT_PORT_HTTP && is_http?) ||
+                                    (port == DEFAULT_PORT_HTTPS && is_https?)
+          return uri
+        end
+        uri + URI_SEP_PORT + port.to_s
+      end
     end
   end
 end