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package guardian
import (
"encoding/json"
"testing"
"time"
)
func TestAnchorProxyPassClaimsKeepsAgreeingClocks(t *testing.T) {
now := time.Date(2026, 7, 2, 22, 25, 50, 0, time.UTC)
claims := ProxyPassClaims{
Iat: now.Add(-30 * time.Second).Unix(),
Nbf: now.Add(-30 * time.Second).Unix(),
Exp: now.Add(10 * time.Minute).Unix(),
}
got, err := anchorProxyPassClaims(claims, now)
if err != nil || got != 0 {
t.Fatalf("expected raw claim times, got offset=%s err=%v", got, err)
}
}
func TestAnchorProxyPassClaimsReanchorsSkewedClaimsToReceipt(t *testing.T) {
// Guardian's claims are eight hours behind the local clock (e.g. a
// local wall-clock time written as UTC): the pass is still valid from
// receipt for its ten-minute lifetime, as Firefox computes it.
now := time.Date(2026, 7, 2, 22, 25, 50, 0, time.UTC)
claims := ProxyPassClaims{
Iat: time.Date(2026, 7, 2, 14, 25, 34, 0, time.UTC).Unix(),
Nbf: time.Date(2026, 7, 2, 14, 25, 34, 0, time.UTC).Unix(),
Exp: time.Date(2026, 7, 2, 14, 35, 34, 0, time.UTC).Unix(),
}
offset, err := anchorProxyPassClaims(claims, now)
if err != nil {
t.Fatal(err)
}
pass := &ProxyPassInfo{Claims: claims, claimTimeOffset: offset}
if want := now.Add(10 * time.Minute); !pass.ExpiresAt().Equal(want) {
t.Fatalf("expected anchored expiry %s, got %s", want, pass.ExpiresAt())
}
if !pass.NotBefore().Equal(now) {
t.Fatalf("expected pass to be valid from receipt %s, got %s", now, pass.NotBefore())
}
}
func TestAnchorProxyPassClaimsUsesIssuedAtWhenNotBeforeMissing(t *testing.T) {
now := time.Date(2026, 7, 2, 14, 36, 51, 0, time.UTC)
claims := ProxyPassClaims{
Iat: time.Date(2026, 7, 2, 22, 36, 35, 0, time.UTC).Unix(),
Exp: time.Date(2026, 7, 2, 22, 46, 35, 0, time.UTC).Unix(),
}
offset, err := anchorProxyPassClaims(claims, now)
if err != nil {
t.Fatal(err)
}
pass := &ProxyPassInfo{Claims: claims, claimTimeOffset: offset}
if want := now.Add(10 * time.Minute); !pass.ExpiresAt().Equal(want) {
t.Fatalf("expected anchored expiry %s, got %s", want, pass.ExpiresAt())
}
}
func TestAnchorProxyPassClaimsKeepsExpiryWithoutStartClaims(t *testing.T) {
now := time.Date(2026, 7, 2, 22, 36, 51, 0, time.UTC)
claims := ProxyPassClaims{Exp: now.Add(10 * time.Minute).Unix()}
if got, err := anchorProxyPassClaims(claims, now); err != nil || got != 0 {
t.Fatalf("expected raw expiry, got offset=%s err=%v", got, err)
}
}
func TestAnchorProxyPassClaimsRejectsUnusableClaims(t *testing.T) {
now := time.Now()
for name, claims := range map[string]ProxyPassClaims{
"missing exp": {Nbf: now.Unix()},
"exp before start": {Nbf: now.Unix(), Exp: now.Add(-time.Minute).Unix()},
"exp equals start": {Iat: now.Unix(), Exp: now.Unix()},
} {
if _, err := anchorProxyPassClaims(claims, now); err == nil {
t.Fatalf("%s: expected an error", name)
}
}
}
func TestAudienceAcceptsStringAndArray(t *testing.T) {
var single, many ProxyPassClaims
if err := json.Unmarshal([]byte(`{"aud":"https://vpn.mozilla.org"}`), &single); err != nil || single.Aud != "https://vpn.mozilla.org" {
t.Fatalf("string aud: %q %v", single.Aud, err)
}
if err := json.Unmarshal([]byte(`{"aud":["a","b"]}`), &many); err != nil || many.Aud != "a,b" {
t.Fatalf("array aud: %q %v", many.Aud, err)
}
}
arblant