pub async fn build_par_authorization_url(
    http_service: &HttpService,
    client_credentials: ClientCredentials,
    par_endpoint: &Url,
    authorization_endpoint: Url,
    authorization_data: AuthorizationRequestData,
    now: DateTime<Utc>,
    rng: &mut impl Rng,
) -> Result<(Url, AuthorizationValidationData), AuthorizationError>Expand description
Make a Pushed Authorization Request and build the URL for authenticating at the Authorization endpoint.
§Arguments
- 
http_service- The service to use for making HTTP requests.
- 
client_credentials- The credentials obtained when registering the client.
- 
par_endpoint- The URL of the issuer’s Pushed Authorization Request endpoint.
- 
authorization_endpoint- The URL of the issuer’s Authorization endpoint.
- 
authorization_data- The data necessary to build the authorization request.
- 
now- The current time.
- 
rng- A random number generator.
§Returns
A URL to be opened in a web browser where the end-user will be able to
authorize the given scope, and the AuthorizationValidationData to
validate this request.
The redirect URI will receive parameters in its query:
- 
A successful response will receive a codeand astate.
- 
If the authorization fails, it should receive an errorparameter with aClientErrorCodeand optionally anerror_description.
§Errors
Returns an error if the request fails, the response is invalid or building the URL fails.