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ClientCredentialsSource

ppoppo_sdk_core::token_cache

Struct ClientCredentialsSource 

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pub struct ClientCredentialsSource { /* private fields */ }
Expand description

Acquires tokens via the OAuth2 client_credentials grant (RFC 6749 §4.4).

POSTs grant_type=client_credentials + client_id + client_secret to token_url and extracts access_token + expires_in from the JSON response.

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impl ClientCredentialsSource

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pub fn new( token_url: impl Into<String>, client_id: impl Into<String>, client_secret: impl Into<String>, ) -> Self

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impl TokenSource for ClientCredentialsSource

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fn fetch_token<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<(String, Duration), TokenCacheError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Fetch a fresh token. Returns the raw JWT string and its lifetime. The cache subtracts TokenCacheConfig::refresh_skew from the TTL before storing the expiry, so the token is treated as stale slightly before the server considers it expired.

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