Function engineAndKeyFromPath

hcvault/keysource.go:462–483

engineAndKeyFromPath returns the engine path and key name from the full path, or an error.

(fullPath string)

// engineAndKeyFromPath returns the engine path and key name from the full
// path, or an error.
func engineAndKeyFromPath(fullPath string) (enginePath, keyName string, err error) {
	// Running vault behind a reverse proxy with longer URLs seems not to be
	// supported by the Vault client API. Check for this here.
	// TODO(hidde): this may no longer be necessary with newer Vault versions,
	//  but needs to be confirmed.
	if re := regexp.MustCompile(`/[^/]+/v[\d]+/[^/]+/[^/]+/[^/]+`); re.Match([]byte(fullPath)) {
		err = fmt.Errorf("running Vault with a prefixed URL is not supported! (Format has to be like " +
			"https://vault.example.com:8200/v1/transit/keys/keyName)")
		return
	} else if re := regexp.MustCompile(`/v[\d]+/[^/]+/[^/]+/[^/]+`); !re.Match([]byte(fullPath)) {
		err = fmt.Errorf("vault path does not seem to be formatted correctly: (eg. " +
			"https://vault.example.com:8200/v1/transit/keys/keyName)")
		return
	}

	fullPath = strings.Trim(fullPath, "/")
	dirs := strings.Split(fullPath, "/")

	keyName = dirs[len(dirs)-1]
	enginePath = path.Join(dirs[1 : len(dirs)-2]...)
	return
}