timestamp annotation

Cargo.toml

@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+chrono = { version = "0.4.38", features = ["serde"] }
 serde = { version = "1.0.203", features = ["derive"] }
 serde_json = "1.0.117"
 url = { version = "2.5.1", features = ["serde"] }

src/requests.rs

@@ -16,7 +16,7 @@ pub struct AccessTokenRequest {
     request: RequestType,
     account: Option<String>,
     issuer: Option<Url>,
-    min_valid_period: Option<usize>,
+    min_valid_period: Option<u64>, //Always seconds
     application_hint: Option<String>,
     scope: Option<String>,
     audience: Option<String>,

src/responses.rs

@@ -1,4 +1,5 @@
 use crate::Response;
+use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use std::error::Error;
 use std::fmt::Display;
@@ -35,7 +36,9 @@ impl OIDCAgentResponse {
 pub struct AccessTokenResponse {
     pub access_token: String,
     issuer: Url,
-    expires_at: usize,
+
+    #[serde(with = "chrono::serde::ts_seconds")]
+    expires_at: DateTime<Utc>,
 }
 
 impl Response for AccessTokenResponse {}
@@ -45,7 +48,9 @@ pub struct MytokenResponse {
     pub mytoken: String,
     mytoken_issuer: Url,
     oidc_issuer: Url,
-    expires_at: usize,
+
+    #[serde(with = "chrono::serde::ts_seconds")]
+    expires_at: DateTime<Utc>,
 }
 
 impl Response for MytokenResponse {}
@@ -73,8 +78,4 @@ impl Display for OIDCAgentError {
     }
 }
 
-impl Error for OIDCAgentError {
-    fn source(&self) -> Option<&(dyn Error + 'static)> {
-        None
-    }
-}
+impl Error for OIDCAgentError {}

tests/basic.rs

@@ -1,4 +1,5 @@
 use oidc_agent_rs::*;
+
 #[test]
 fn test_basic() {
     let client = Client::new().unwrap();