Struct FirebaseConfig 

pub struct FirebaseConfig {
    pub project_id: String,
    pub key_cache: PublicKeyCache,
    pub max_token_age: Duration,
    pub allowed_algorithms: Vec<Algorithm>,
}

Firebase authentication configuration.

Contains all settings needed for JWT validation including project ID, key cache configuration, and security parameters.

Fields

project_id: String

Firebase project ID

key_cache: PublicKeyCache

Public key cache instance

max_token_age: Duration

Maximum allowed token age

allowed_algorithms: Vec<Algorithm>

Allowed JWT algorithms (defaults to RS256 only)

Implementations

impl FirebaseConfig

pub fn new(project_id: String) -> Result<Self, FirebaseAuthError>

Creates a new Firebase configuration with secure defaults.

Arguments

• project_id - Your Firebase project ID

Errors

Returns FirebaseAuthError::ConfigError for invalid project IDs or setup failures.

Example

use axum_firebase_middleware::FirebaseConfig;

let config = FirebaseConfig::new("my-firebase-project".to_string())?;

pub fn with_cache_duration( self, seconds: u64, ) -> Result<Self, FirebaseAuthError>

Sets a custom cache duration for public keys.

Arguments

• seconds - Cache duration in seconds

pub fn with_max_token_age(self, duration: Duration) -> Self

Sets the maximum allowed token age.

Tokens older than this duration will be rejected even if not expired.

Arguments

• duration - Maximum token age

Trait Implementations

impl Clone for FirebaseConfig

fn clone(&self) -> FirebaseConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.