Issue-26 - Accept Explicit Project ID.

- [x] Reverted functions to async

Author: Sydney-o9

examples/cookies/src/main.rs

@@ -11,7 +11,7 @@ async fn main() {
         .await
         .unwrap();
 
-    let live_cookie_validator = live_app.cookie_token_verifier().unwrap();
+    let live_cookie_validator = live_app.cookie_token_verifier().await.unwrap();
 
     live_cookie_validator.validate(&cookie).await.unwrap();
 }

examples/verify_token/src/main.rs

@@ -17,7 +17,7 @@ async fn main() {
     // Live
     let oidc_token = std::env::var("ID_TOKEN").unwrap();
     let live_app = App::live().await.unwrap();
-    let live_token_validator = live_app.id_token_verifier().unwrap();
+    let live_token_validator = live_app.id_token_verifier().await.unwrap();
     verify_token(&oidc_token, &live_token_validator).await;
 
     // Emulator

lib/src/lib.rs

@@ -98,7 +98,7 @@ impl App<AccessTokenCredentials> {
 
     /// Create OIDC token verifier
     #[cfg(feature = "tokens")]
-    pub fn id_token_verifier(
+    pub async fn id_token_verifier(
         &self,
     ) -> Result<impl jwt::TokenValidator, Report<credentials::GCPCredentialsError>> {
         jwt::LiveValidator::new_jwt_validator(self.project_id.clone())
@@ -107,7 +107,7 @@ impl App<AccessTokenCredentials> {
 
     // /// Create cookie token verifier
     #[cfg(feature = "tokens")]
-    pub fn cookie_token_verifier(
+    pub async fn cookie_token_verifier(
         &self,
     ) -> Result<impl jwt::TokenValidator, Report<credentials::GCPCredentialsError>> {
         jwt::LiveValidator::new_cookie_validator(self.project_id.clone())