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Support custom timestamp #340

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Support custom timestamp #340

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11 changes: 10 additions & 1 deletion src/validation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,11 @@ pub struct Validation {
///
/// Defaults to `false`.
pub validate_nbf: bool,
/// Supply a custom timestamp for checking `exp` and `nbf` claims.
/// If `None`, will use `SystemTime::now()`.
///
/// Defaults to `None`.
pub current_timestamp: Option<u64>,
/// If it contains a value, the validation will check that the `aud` field is a member of the
/// audience provided and will error otherwise.
/// Use `set_audience` to set it
Expand Down Expand Up @@ -92,6 +97,7 @@ impl Validation {

validate_exp: true,
validate_nbf: false,
current_timestamp: None,

iss: None,
sub: None,
Expand Down Expand Up @@ -229,7 +235,10 @@ pub(crate) fn validate(claims: ClaimsForValidation, options: &Validation) -> Res
}

if options.validate_exp || options.validate_nbf {
let now = get_current_timestamp();
let now = match options.current_timestamp {
Some(now) => now,
None => get_current_timestamp(),
};

if matches!(claims.exp, TryParse::Parsed(exp) if options.validate_exp && exp < now - options.leeway)
{
Expand Down