Method resourceForURL

s3/server_test.go:237–285

resourceForURL returns a resource object for the given URL.

(u *url.URL)

// resourceForURL returns a resource object for the given URL.
func (srv *Server) resourceForURL(u *url.URL) (r resource) {

	if u.Path == "/" {
		return serviceResource{
			buckets: srv.buckets,
		}
	}

	m := pathRegexp.FindStringSubmatch(u.Path)
	if m == nil {
		fatalError(404, "InvalidURI", "Couldn't parse the specified URI")
	}
	bucketName := m[2]
	objectName := m[4]
	if bucketName == "" {
		return nullResource{} // root
	}
	b := bucketResource{
		name:   bucketName,
		bucket: srv.buckets[bucketName],
	}
	q := u.Query()
	if objectName == "" {
		for name := range q {
			if unimplementedBucketResourceNames[name] {
				return nullResource{}
			}
		}
		return b

	}
	if b.bucket == nil {
		fatalError(404, "NoSuchBucket", "The specified bucket does not exist")
	}
	objr := objectResource{
		name:    objectName,
		version: q.Get("versionId"),
		bucket:  b.bucket,
	}
	for name := range q {
		if unimplementedObjectResourceNames[name] {
			return nullResource{}
		}
	}
	if obj := objr.bucket.objects[objr.name]; obj != nil {
		objr.object = obj
	}
	return objr
}

// nullResource has error stubs for all resource methods.
type nullResource struct{}