Gossiper_server update

Reply with 404 error when unintended directories are accessed.

CTng/server/Gossiper_server.go

@@ -29,7 +29,9 @@ import (
 )
 
 type Gossiper interface {
-	// Response to entering the 'base page' of a gossiper.
+	// Error response to "/". 
+	basePage()
+	// Error response to "/gossiper/". Can replace with informative home page in the future.
 	homePage()
 	// HTTP POST request, receive a JSON object from another gossiper or connected monitor.
 	// /gossip/push-data
@@ -68,7 +70,10 @@ func initializeGossiperEndpoints(c *gossip.GossiperContext) {
 	// MUX which routes HTTP directories to functions.
 	gorillaRouter := mux.NewRouter().StrictSlash(true)
 
-	// homePage() is ran when base directory is accessed, this allows for confirmation that a gossiper is working as expected.
+	// basePage returns a 404 error as it is currently not intended to be directly accessed.
+	gorillaRouter.HandleFunc("/", basePage)
+	// homePage() is ran "/gossip/" is accessed, separated to allow development of an informative homepage in the future.
+	// Returns a 404 error as it is currently not intended to be directly accessed.
 	gorillaRouter.HandleFunc("/gossip/", homePage)
 
 	// Inter-gossiper endpoints: Post/Get required
@@ -90,6 +95,12 @@ func initializeGossiperEndpoints(c *gossip.GossiperContext) {
 	os.Exit(1)
 }
 
+// Reply with a 404 error when "/" is accessed.
+func basePage(w http.ResponseWriter, r *http.Request) {
+	http.Error(w, "Page not found.", http.StatusNotFound)
+}
+
+// Reply with a 404 error when "/gossip/" is accessed.
 func homePage(w http.ResponseWriter, r *http.Request) {
 	http.Error(w, "Page not found.", http.StatusNotFound)
 }