From ba20974b5f8fe2ee8986c3a8b4aed35e0f9b571d Mon Sep 17 00:00:00 2001
From: Roberto Romero <roberto.github@nirae.at>
Date: Wed, 7 Sep 2022 17:57:45 +0200
Subject: [PATCH] fix(providers): use `client_secret_post` token auth for
 LinkedIn (#5236)
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* Send client_id and client_secret to linkedin

Linkedin now requires client_id and client_secret to be
sent in the oauth callback. Fixes #5220

* Update linkedin.ts

Co-authored-by: Thang Vu <thvu@hey.com>
Co-authored-by: Balázs Orbán <info@balazsorban.com>
---
 packages/next-auth/src/providers/linkedin.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/next-auth/src/providers/linkedin.ts b/packages/next-auth/src/providers/linkedin.ts
index 37fa599f99..75247f3c3e 100644
--- a/packages/next-auth/src/providers/linkedin.ts
+++ b/packages/next-auth/src/providers/linkedin.ts
@@ -31,6 +31,9 @@ export default function LinkedIn<P extends LinkedInProfile>(
       params: { scope: "r_liteprofile r_emailaddress" },
     },
     token: "https://www.linkedin.com/oauth/v2/accessToken",
+    client: {
+      token_endpoint_auth_method: "client_secret_post",
+    },
     userinfo: {
       url: "https://api.linkedin.com/v2/me",
       params: {