Example #1
0
// JWTClient requires OAuth 2.0 JWT credentials.
// Required for the 2-legged JWT flow.
func JWTClient(email string, key []byte) Option {
	return func(o *Options) error {
		pk, err := internal.ParseKey(key)
		if err != nil {
			return err
		}
		o.Email = email
		o.PrivateKey = pk
		return nil
	}
}
Example #2
0
// ServiceAccountJSONKey uses the provided Google Developers
// JSON key file to authorize the user. See the "Credentials" page under
// "APIs & Auth" for your project at https://console.developers.google.com
// to download a JSON key file.
func ServiceAccountJSONKey(filename string) oauth2.Option {
	return func(opts *oauth2.Options) error {
		b, err := ioutil.ReadFile(filename)
		if err != nil {
			return err
		}
		var key struct {
			Email      string `json:"client_email"`
			PrivateKey string `json:"private_key"`
		}
		if err := json.Unmarshal(b, &key); err != nil {
			return err
		}
		pk, err := internal.ParseKey([]byte(key.PrivateKey))
		if err != nil {
			return err
		}
		opts.Email = key.Email
		opts.PrivateKey = pk
		opts.AUD = uriGoogleToken
		return nil
	}
}