1 files changed, 8 insertions, 9 deletions
diff --git a/src/security.rs b/src/security.rs
index abe114e..cd9d7bd 100644
--- a/src/security.rs
+++ b/src/security.rs
@@ -1,14 +1,13 @@
 //! Provides [`Key`] and functions to encode & decode expiring claims.
 
-use time::OffsetDateTime;
-
 pub use signed::Key;
+pub use std::time::{SystemTime, UNIX_EPOCH};
 
 mod signed;
 
 /// Join a string and an expiry date together into a string.
-pub fn encode_expiring_claim(claim: &str, expiry_date: OffsetDateTime) -> String {
-    format!("{}:{}", claim, expiry_date.unix_timestamp())
+pub fn encode_expiring_claim(claim: &str, expiry_date: SystemTime) -> String {
+    format!("{}:{}", claim, expiry_date.duration_since(UNIX_EPOCH).unwrap().as_secs())
 }
 
 /// Extract the string, failing if the expiry date is in the past.
@@ -16,9 +15,9 @@ pub fn decode_expiring_claim(value: &str) -> Result<&str, &'static str> {
     let mut parts = value.rsplitn(2, ':');
     let expiry_date = parts.next().expect("first .rsplitn().next() is expected to return Some");
     let claim = parts.next().ok_or("expected colon")?;
-    let expiry_date: i64 = expiry_date.parse().map_err(|_| "failed to parse timestamp")?;
+    let expiry_date: u64 = expiry_date.parse().map_err(|_| "failed to parse timestamp")?;
 
-    if expiry_date > OffsetDateTime::now_utc().unix_timestamp() {
+    if expiry_date > SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_secs() {
         Ok(claim)
     } else {
         Err("token is expired")
@@ -27,15 +26,15 @@ pub fn decode_expiring_claim(value: &str) -> Result<&str, &'static str> {
 
 #[cfg(test)]
 mod tests {
-    use time::{OffsetDateTime, Duration};
+    use std::time::{SystemTime, Duration};
 
     #[test]
     fn test_expiring_claim() {
         for claim in vec!["test", "", "foo:bar"] {
-            let encoded_claim = super::encode_expiring_claim(claim, OffsetDateTime::now_utc() + Duration::minutes(1));
+            let encoded_claim = super::encode_expiring_claim(claim, SystemTime::now() + Duration::from_secs(60));
             assert_eq!(super::decode_expiring_claim(&encoded_claim).unwrap(), claim);
 
-            let encoded_claim = super::encode_expiring_claim(claim, OffsetDateTime::now_utc() - Duration::minutes(1));
+            let encoded_claim = super::encode_expiring_claim(claim, SystemTime::now() - Duration::from_secs(60));
             assert!(super::decode_expiring_claim(&encoded_claim).is_err());
         }
         assert!(super::decode_expiring_claim("test".into()).is_err());