Struct AuthMiddleware 

pub struct AuthMiddleware {
    pub key: ServiceAccountKey,
    /* private fields */
}

A middleware that handles OAuth2 authentication for Firebase requests.

This middleware intercepts outgoing requests, obtains a valid OAuth2 Bearer token using the service account credentials, and injects it into the Authorization header.

Lazy Initialization

The Authenticator is initialized lazily using tokio::sync::OnceCell upon the first request. This allows the FirebaseApp constructor to remain synchronous.

Fields

key: ServiceAccountKey

The service account key used to create the authenticator.

Implementations

impl AuthMiddleware

pub fn new(key: ServiceAccountKey) -> Self

Creates a new AuthMiddleware instance.

Arguments

• key - The service account credentials.

pub fn with_tenant(&self, tenant_id: &str) -> Self

Creates a new AuthMiddleware instance with a specific Tenant ID.

pub fn tenant_id(&self) -> Option<String>

Gets the current Tenant ID.

Trait Implementations

impl Clone for AuthMiddleware

fn clone(&self) -> AuthMiddleware

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Middleware for AuthMiddleware

fn handle<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, req: Request, extensions: &'life1 mut Extensions, next: Next<'life2>, ) -> Pin<Box<dyn Future<Output = Result<Response>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Intercepts the request to add the Authorization header.