WIP: OAuth authn

pages/api/auth/[...nextauth].ts

@@ -7,9 +7,8 @@ const issuer = 'https://keycloak.sso.gwdg.de/auth/realms/academiccloud'
 
 async function refreshAccessToken (token: any) {
   try {
-    const url =
-      issuer + '/protocol/openid-connect?' +
-      new URLSearchParams({
+    const url = issuer + '/protocol/openid-connect/token'
+    const params = new URLSearchParams({
         client_id: clientId,
         client_secret: clientSecret,
         grant_type: 'refresh_token',
@@ -21,6 +20,7 @@ async function refreshAccessToken (token: any) {
         'Content-Type': 'application/x-www-form-urlencoded'
       },
       method: 'POST'
+      body: params
     })
 
     const refreshedTokens = await response.json()