Add not implemented token auth.

Author: KN4CK3R

routers/api/packages/api.go

@@ -603,7 +603,10 @@ func ContainerRoutes() *web.Route {
 	})
 
 	r.Get("", container.ReqContainerAccess, container.DetermineSupport)
-	r.Get("/token", container.Authenticate)
+	r.Group("/token", func() {
+		r.Get("", container.Authenticate)
+		r.Post("", container.AuthenticateNotImplemented)
+	})
 	r.Get("/_catalog", container.ReqContainerAccess, container.GetRepositoryList)
 	r.Group("/{username}", func() {
 		r.Group("/{image}", func() {

routers/api/packages/container/container.go

@@ -156,6 +156,17 @@ func Authenticate(ctx *context.Context) {
 	})
 }
 
+// https://distribution.github.io/distribution/spec/auth/oauth/
+func AuthenticateNotImplemented(ctx *context.Context) {
+	// This optional endpoint can be used to authenticate a client.
+	// It must implement the specification described in:
+	// https://datatracker.ietf.org/doc/html/rfc6749
+	// https://distribution.github.io/distribution/spec/auth/oauth/
+	// Purpose of this stub is to respond with 404 Not Found instead of 405 Method Not Allowed.
+	
+	ctx.Status(http.StatusNotFound)
+}
+
 // https://docs.docker.com/registry/spec/api/#listing-repositories
 func GetRepositoryList(ctx *context.Context) {
 	n := ctx.FormInt("n")