From 4948ebb3ca151e9f0433585a41bad6f415416b2d Mon Sep 17 00:00:00 2001
From: Bouke van der Bijl <i@bou.ke>
Date: Wed, 31 Mar 2021 01:41:26 +0200
Subject: [PATCH] fix: Accept application/text content-type for plain idtoken
 response

On Cloud Run, the idtoken metadata endpoint has Content-Type application/text
---
 lib/googleauth/compute_engine.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/googleauth/compute_engine.rb b/lib/googleauth/compute_engine.rb
index eb197df9..24d3296e 100644
--- a/lib/googleauth/compute_engine.rb
+++ b/lib/googleauth/compute_engine.rb
@@ -112,7 +112,7 @@ def fetch_access_token options = {}
           case resp.status
           when 200
             content_type = resp.headers["content-type"]
-            if content_type == "text/html"
+            if ["text/html", "application/text"].include? content_type
               { (target_audience ? "id_token" : "access_token") => resp.body }
             else
               Signet::OAuth2.parse_credentials resp.body, content_type