func NewApplicationDefault(ctx context.Context, scope ...string) (credentials.PerRPCCredentials, error)
NewApplicationDefault returns "Application Default Credentials". For more detail, see https://developers.google.com/accounts/docs/application-default-credentials.
func NewComputeEngine() credentials.PerRPCCredentials
NewComputeEngine constructs the PerRPCCredentials that fetches access tokens from Google Compute Engine (GCE)'s metadata server. It is only valid to use this if your program is running on a GCE instance. TODO(dsymonds): Deprecate and remove this.
func NewJWTAccessFromFile(keyFile string) (credentials.PerRPCCredentials, error)
NewJWTAccessFromFile creates PerRPCCredentials from the given keyFile.
func NewJWTAccessFromKey(jsonKey []byte) (credentials.PerRPCCredentials, error)
NewJWTAccessFromKey creates PerRPCCredentials from the given jsonKey.
func NewOauthAccess(token *oauth2.Token) credentials.PerRPCCredentials
NewOauthAccess constructs the PerRPCCredentials using a given token.
Deprecated: use oauth.TokenSource instead.
func NewServiceAccountFromFile(keyFile string, scope ...string) (credentials.PerRPCCredentials, error)
NewServiceAccountFromFile constructs the PerRPCCredentials using the JSON key file of a Google Developers service account.
func NewServiceAccountFromKey(jsonKey []byte, scope ...string) (credentials.PerRPCCredentials, error)
NewServiceAccountFromKey constructs the PerRPCCredentials using the JSON key slice from a Google Developers service account.
TokenSource supplies PerRPCCredentials from an oauth2.TokenSource.
type TokenSource struct {
oauth2.TokenSource
}
func (ts TokenSource) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error)
GetRequestMetadata gets the request metadata as a map from a TokenSource.
func (ts TokenSource) RequireTransportSecurity() bool
RequireTransportSecurity indicates whether the credentials requires transport security.