From 3e6480915d39dd1a80fa460e56413857f02cc1b9 Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Thu, 15 Aug 2024 19:02:01 +0200
Subject: [PATCH] x/oauth2: add Token.ExpiresIn

Fixes golang/go#61417

Change-Id: Ib8599f39b4839bf6eed021217350195ad36d1631
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/605955
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 token.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/token.go b/token.go
index 5bbb33217..109997d77 100644
--- a/token.go
+++ b/token.go
@@ -49,6 +49,13 @@ type Token struct {
 	// mechanisms for that TokenSource will not be used.
 	Expiry time.Time `json:"expiry,omitempty"`
 
+	// ExpiresIn is the OAuth2 wire format "expires_in" field,
+	// which specifies how many seconds later the token expires,
+	// relative to an unknown time base approximately around "now".
+	// It is the application's responsibility to populate
+	// `Expiry` from `ExpiresIn` when required.
+	ExpiresIn int64 `json:"expires_in,omitempty"`
+
 	// raw optionally contains extra metadata from the server
 	// when updating a token.
 	raw interface{}