Merge pull request #22 from oligot/cors

Cross-Origin Resource Sharing initial support

library/server/wsf/router/filter/wsf_cors_filter.e

@@ -0,0 +1,37 @@
+note
+	description: "Cross-Origin Resource Sharing filter."
+	author: "Olivier Ligot"
+	date: "$Date$"
+	revision: "$Revision$"
+	EIS: "name=Cross-Origin Resource Sharing", "src=http://www.w3.org/TR/cors/", "tag=W3C"
+
+class
+	WSF_CORS_FILTER
+
+inherit
+	WSF_FILTER
+
+feature -- Basic operations
+
+	execute (req: WSF_REQUEST; res: WSF_RESPONSE)
+			-- Execute the filter.
+		local
+			l_header: HTTP_HEADER
+		do
+			create l_header.make
+			l_header.put_access_control_allow_all_origin
+			res.put_header_text (l_header.string)
+			execute_next (req, res)
+		end
+
+note
+	copyright: "2011-2013, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end

library/server/wsf/router/filter/wsf_cors_options_filter.e

@@ -0,0 +1,59 @@
+note
+	description: "Filter that handles an OPTIONS request, with Cross-Origin Resource Sharing support."
+	author: "Olvier Ligot"
+	date: "$Date$"
+	revision: "$Revision$"
+	EIS: "name=Cross-Origin Resource Sharing", "src=http://www.w3.org/TR/cors/", "tag=W3C"
+
+class
+	WSF_CORS_OPTIONS_FILTER
+
+inherit
+	WSF_FILTER
+
+	WSF_URI_TEMPLATE_HANDLER
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (a_router: like router)
+			-- Initialize Current with `a_router'.
+		do
+			router := a_router
+		ensure
+			router_set: router = a_router
+		end
+
+feature -- Access
+
+	router: WSF_ROUTER
+			-- Associated router
+
+feature -- Basic operations
+
+	execute (req: WSF_REQUEST; res: WSF_RESPONSE)
+			-- Execute the filter.
+		local
+			msg: WSF_CORS_OPTIONS_RESPONSE
+		do
+			if req.is_request_method ({HTTP_REQUEST_METHODS}.method_options) then
+				create msg.make (req, router)
+				res.send (msg)
+			else
+				execute_next (req, res)
+			end
+		end
+
+note
+	copyright: "2011-2013, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end