From 2db0c6c2622e59ac20833eba266a2229d8580e7e Mon Sep 17 00:00:00 2001
From: Eric Lin <linxiulei@gmail.com>
Date: Wed, 12 Dec 2018 12:01:35 +0800
Subject: [PATCH] Explicitly stating utf-8 when fetching oauth token

Fixes #2870

Signed-off-by: Eric Lin <linxiulei@gmail.com>
---
 remotes/docker/authorizer.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/remotes/docker/authorizer.go b/remotes/docker/authorizer.go
index e17628750..73adb5a2f 100644
--- a/remotes/docker/authorizer.go
+++ b/remotes/docker/authorizer.go
@@ -194,7 +194,11 @@ func (a *dockerAuthorizer) fetchTokenWithOAuth(ctx context.Context, to tokenOpti
 		form.Set("password", to.secret)
 	}
 
-	resp, err := ctxhttp.PostForm(ctx, a.client, to.realm, form)
+	resp, err := ctxhttp.Post(
+		ctx, a.client, to.realm,
+		"application/x-www-form-urlencoded; charset=utf-8",
+		strings.NewReader(form.Encode()),
+	)
 	if err != nil {
 		return "", err
 	}