Enum ClientAuth 

#[non_exhaustive]
pub enum ClientAuth {
    Post,
    Basic,
}

How the client credentials are presented to the token endpoint.

OAuth 2.0 defines both and RFC 6749 §2.3.1 says a server must support the Basic form; providers differ in what they accept, and picking the wrong one is rejected as invalid_client — which reads like a wrong secret. The provider presets choose for you; this is here for a custom endpoint that wants the other one. #[non_exhaustive]: a provider may need a third form (a signed assertion, say) without that being a breaking change.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Post

client_secret_post — id and secret in the request body. The default, and what Keycloak and Auth0 accept.

Basic

client_secret_basic — id and secret in an HTTP Authorization: Basic header. Okta’s default for a confidential client.

Trait Implementations

impl Clone for ClientAuth

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for ClientAuth

impl Debug for ClientAuth

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ClientAuth

fn default() -> Self

Returns the “default value” for a type.

impl Eq for ClientAuth

impl Hash for ClientAuth

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ClientAuth

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ClientAuth