// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

package gaia;

// Required in Chrome.
option optimize_for = LITE_RUNTIME;

// An OAuth token together with the token binding assertion. Some tokens
// are bound to devices, and are expected to be used together with a proof of
// possession assertion of a private key, the public key for which was provided
// to the OAuth server during registration.
message BoundOAuthToken {
  // Required.
  optional string gaia_id = 1;
  // Required.
  optional string token = 2;
  // Required.
  optional string token_binding_assertion = 3;
}

// Structured content of the "MultiOAuth" Authorization header.
message MultiOAuthHeader {
  repeated AccountRequest account_requests = 1;

  // The message schema is currently identical to `BoundOAuthToken`. Keep two
  // definitions separate because they are separate on the server and might
  // diverge over time.
  message AccountRequest {
    // Required.
    optional string gaia_id = 1;

    // Required.
    optional string token = 2;

    // Required only for bound tokens.
    optional bytes token_binding_assertion = 3;
  }
}