Merge branch 'cors' of github.com:oligot/EWF into cors

library/server/ewsgi/specification/request/wgi_meta_names.e

@@ -50,6 +50,8 @@ feature -- Access
 
 	http_transfer_encoding: STRING = "HTTP_TRANSFER_ENCODING"
 
+	http_access_control_request_headers: STRING = "HTTP_ACCESS_CONTROL_REQUEST_HEADERS"
+
 	gateway_interface: STRING = "GATEWAY_INTERFACE"
 
 	auth_type: STRING = "AUTH_TYPE"

library/server/ewsgi/specification/request/wgi_request.e

@@ -598,6 +598,12 @@ feature -- HTTP_*
 		deferred
 		end
 
+	http_access_control_request_headers: detachable READABLE_STRING_8
+			-- Indicates which headers will be used in the actual request
+                        -- as part of the preflight request
+		deferred
+		end
+
 feature -- Extra CGI environment variables
 
 	request_uri: READABLE_STRING_8

library/server/ewsgi/src/implementation/wgi_request_from_table.e

@@ -241,6 +241,13 @@ feature -- Access: HTTP_* CGI meta parameters - 1.1
 			Result := meta_string_variable ({WGI_META_NAMES}.http_transfer_encoding)
 		end
 
+	http_access_control_request_headers: detachable READABLE_STRING_8
+			-- Indicates which headers will be used in the actual request
+                        -- as part of the preflight request
+		do
+			Result := meta_string_variable ({WGI_META_NAMES}.http_access_control_request_headers)
+		end
+
 feature -- Access: Extension to CGI meta parameters - 1.1
 
 	request_uri: READABLE_STRING_8