add separate message if poll response is not json

hashicorp · Aug 28, 2020 · 0a614f5 · 0a614f5
1 parent 8a4e611
commit 0a614f5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/path_oidc.go b/path_oidc.go
@@ -462,6 +462,10 @@ func (b *jwtAuthBackend) pathPoll(ctx context.Context, req *logical.Request, d *
 			return nil, errwrap.Wrapf("error polling for device authorization: {{err}}", err)
 		}
 
+		if body[0] != '{' {
+			return nil, fmt.Errorf("issuer response while polling for token is not json: %v", string(body))
+		}
+
 		var tokenOrError struct {
 			*oauth2.Token
 			Error string `json:"error,omitempty"`