Trait gcp_auth::TokenProvider
source · pub trait TokenProvider: Send + Sync {
// Required methods
fn token<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
scopes: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = Result<Arc<Token>, Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
fn project_id<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<Arc<str>, Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}
Expand description
A trait for an authentication context that can provide tokens
Required Methods§
sourcefn token<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
scopes: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = Result<Arc<Token>, Error>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn token<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
scopes: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = Result<Arc<Token>, Error>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Get a valid token for the given scopes
Tokens are cached until they expire, so this method will only fetch a fresh token once the current token (for the given scopes) has expired.