Struct RegisteredClient 

pub struct RegisteredClient { /* private fields */ }

A client as one authorization server knows it.

The issuer is part of the identity rather than a field a caller must remember to check, which is the whole point of 2026-07-28 §9. There is no accessor that returns a ClientSecret for a given issuer, because asking is how the mistake gets made.

Implementations

impl RegisteredClient

pub fn dynamic( issuer: impl AsRef<str>, client_id: ClientId, secret: Option<ClientSecret>, ) -> Result<Self, ClientIdError>

A client that obtained its identifier through RFC 7591.

Errors

ClientIdError::DocumentRegistration if client_id is a metadata document URL, or ClientIdError::SecretForDocument if a secret is offered for one. A document-issued client has no secret to present.

pub fn from_metadata_document( issuer: impl AsRef<str>, client_id: ClientId, ) -> Self

A client identified by a Client ID Metadata Document.

Never carries a secret: the draft is explicit that no shared secret can be established for this form, so there is no constructor parameter in which to get it wrong.

pub const fn with_auth_method(self, method: TokenAuthMethod) -> Self

This client, authenticating at the token endpoint with method.

For the method the registration response named, or the one a pre-registration was issued with. A secret-based method on a client with no secret is kept as asked; the token endpoint will refuse it, which is a clearer failure than silently going public.

pub const fn auth_method(&self) -> TokenAuthMethod

How this client authenticates at the token endpoint.

pub fn issuer(&self) -> &str

The issuer whose credential this is.

pub const fn client_id(&self) -> &ClientId

The identifier to present at this issuer.

pub const fn secret(&self) -> Option<&ClientSecret>

The secret, if this client has one.

Returns None for a metadata-document client, and Some only when the caller has already established which issuer it is talking to.

pub fn is_issued_by(&self, issuer: &str) -> bool

Whether this credential was issued by issuer.

Trait Implementations

impl Clone for RegisteredClient

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RegisteredClient

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

Formats the value using the given formatter.

impl Eq for RegisteredClient

impl PartialEq for RegisteredClient

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RegisteredClient