func()

in plugins/testfetchers/uri/uri.go [47:79]

• 32 lines of code
• 11 McCabe index (conditional complexity)

func (tf URI) ValidateFetchParameters(_ xcontext.Context, params []byte) (interface{}, error) {
	var fp FetchParameters
	if err := json.Unmarshal(params, &fp); err != nil {
		return nil, err
	}
	if fp.TestName == "" {
		return nil, fmt.Errorf("test name cannot be empty for fetch parameters")
	}
	if fp.URI == nil {
		return nil, fmt.Errorf("file URI not specified in fetch parameters")
	}
	scheme := fp.URI.Scheme
	if scheme == "" {
		// if no scheme is specified, assume "file://"
		scheme = "file"
	}
	scheme = strings.ToLower(scheme)
	supported := false
	for _, s := range supportedSchemes {
		if s == scheme {
			supported = true
		}
	}
	if !supported {
		return nil, fmt.Errorf("unsupported scheme %s", scheme)
	}
	if scheme == "file" {
		if fp.URI.Host != "" && fp.URI.Host != "localhost" {
			return nil, fmt.Errorf("invalid host in URI: '%s'. Only 'localhost' or empty string are supported for scheme %s", fp.URI.Host, scheme)
		}
	}
	return fp, nil
}