OAuthClient

Prepare a buffered OAuth request without following redirects.

Validate and pin an OAuth endpoint within the prepared request's limits.

Determine whether the normalized host names a local development endpoint.

Normalize the host consistently with destination validation.

Create an OAuth client for the configured resource.

Redirect to the authorization server and remember the pending exchange.

Obtain a token using the configured client credentials.

Exchange the current authorization callback for a token.

Get the return URL remembered by the authorization exchange.

Refresh an access token using its client credentials.

Validate and exchange the authorization code against the pending session.

Determine whether the client can identify itself through a metadata document.

Determine whether a metadata document host is eligible for public discovery.

Register a client when no configured client identifier is available.

Request a token using the selected client authentication method.

Report an authorization error returned in the callback.

Get a nonempty string from the callback query.

Discover the authorization server once for this client.

Resolve the challenged or configured authorization scope.

Use advertised scopes when no authorization scope was selected.

Choose a supported authentication method for the available credentials.

Identify loopback callback applications as native clients.

Validate the callback issuer against the pending authorization.

Get the session key for this client's pending authorization.