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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/nearby_sharing/instantmessaging/token_fetcher.h"
#include "google_apis/gaia/gaia_constants.h"
namespace {
// The oauth token consumer name.
const char kOAuthConsumerName[] = "nearby_sharing";
} // namespace
TokenFetcher::TokenFetcher(signin::IdentityManager* identity_manager)
: identity_manager_(identity_manager) {}
TokenFetcher::~TokenFetcher() = default;
void TokenFetcher::GetAccessToken(
base::OnceCallback<void(const std::string& token)> callback) {
// Using Mode::Immediate since Nearby Share is only available for signed-in
// users.
token_fetcher_ = identity_manager_->CreateAccessTokenFetcherForAccount(
identity_manager_->GetPrimaryAccountId(signin::ConsentLevel::kSignin),
kOAuthConsumerName, {GaiaConstants::kTachyonOAuthScope},
base::BindOnce(&TokenFetcher::OnOAuthTokenFetched,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)),
signin::AccessTokenFetcher::Mode::kImmediate);
}
void TokenFetcher::OnOAuthTokenFetched(
base::OnceCallback<void(const std::string& token)> callback,
GoogleServiceAuthError error,
signin::AccessTokenInfo access_token_info) {
// It is safe to reset the token fetcher now.
token_fetcher_.reset();
// Note: We do not do anything special for empty tokens.
std::move(callback).Run(access_token_info.token);
// TODO(crbug/1180403): This refactor will make the comment below unnecessary.
// |this| may be be deleted at this point.
}
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