package basic import ( "errors" "golang.org/x/crypto/bcrypt" ) // To generate bcrypt hashed password from Python, // python3 -c 'import bcrypt; print(bcrypt.hashpw(b"PASSWORD", bcrypt.gensalt(rounds=15)).decode("ascii"))' // Options holds package configuration type Options struct { // Username: hashedPassword Credentials map[string]string } // Basic authentification backend type Basic struct { Cfg *Options } // Login hashs password and compare // Returns (true, nil) if success func (a Basic) Login(username string, password string) (bool, error) { hash, ok := a.Cfg.Credentials[username] if !ok { return false, errors.New("User not found in credentials") } err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)) // Login succeeded if no error return err == nil, err } // Close has no connection to close func (a Basic) Close() { } // New instanciates a new Basic authentification backend func New(cfg *Options) (Basic, error) { backend := Basic{Cfg: cfg} return backend, nil }