extractTimeStamp method
Returns the Unix timestamp for the token
.
The caller can then decide if the token
is about to expire and,
for example, issue a new token
.
Implementation
int extractTimeStamp(dynamic token) {
final (int timestamp, Uint8List data) =
Fernet._getUnverifiedTokenData(token);
// Verify the token was not tampered with.
_verifySignature(data);
return timestamp;
}