print body in OAuth 2 http errors

Author: gschier

plugins/auth-oauth2/src/getAccessToken.ts

@@ -53,12 +53,12 @@ export async function getAccessToken(
 
   const resp = await ctx.httpRequest.send({ httpRequest });
 
+  const body = resp.bodyPath ? readFileSync(resp.bodyPath, 'utf8') : '';
+
   if (resp.status < 200 || resp.status >= 300) {
-    throw new Error('Failed to fetch access token with status=' + resp.status);
+    throw new Error('Failed to fetch access token with status=' + resp.status + ' and body=' + body);
   }
 
-  const body = readFileSync(resp.bodyPath ?? '', 'utf8');
-
   let response;
   try {
     response = JSON.parse(body);

plugins/auth-oauth2/src/getOrRefreshAccessToken.ts

@@ -73,12 +73,12 @@ export async function getOrRefreshAccessToken(ctx: Context, contextId: string, {
     return null;
   }
 
+  const body = resp.bodyPath ? readFileSync(resp.bodyPath, 'utf8') : '';
+
   if (resp.status < 200 || resp.status >= 300) {
-    throw new Error('Failed to fetch access token with status=' + resp.status);
+    throw new Error('Failed to refresh access token with status=' + resp.status + ' and body=' + body);
   }
 
-  const body = readFileSync(resp.bodyPath ?? '', 'utf8');
-
   let response;
   try {
     response = JSON.parse(body);