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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "google_apis/common/request_sender.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "google_apis/common/auth_service.h"
#include "google_apis/common/base_requests.h"
namespace google_apis {
RequestSender::RequestSender(
std::unique_ptr<AuthServiceInterface> auth_service,
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
const std::string& custom_user_agent,
const net::NetworkTrafficAnnotationTag& traffic_annotation)
: auth_service_(std::move(auth_service)),
url_loader_factory_(url_loader_factory),
blocking_task_runner_(blocking_task_runner),
custom_user_agent_(custom_user_agent),
traffic_annotation_(traffic_annotation) {}
RequestSender::~RequestSender() {
DCHECK(thread_checker_.CalledOnValidThread());
}
base::RepeatingClosure RequestSender::StartRequestWithAuthRetry(
std::unique_ptr<AuthenticatedRequestInterface> request) {
DCHECK(thread_checker_.CalledOnValidThread());
AuthenticatedRequestInterface* request_ptr = request.get();
in_flight_requests_.insert(std::move(request));
return StartRequestWithAuthRetryInternal(request_ptr);
}
base::RepeatingClosure RequestSender::StartRequestWithAuthRetryInternal(
AuthenticatedRequestInterface* request) {
// TODO(kinaba): Stop relying on weak pointers. Move lifetime management
// of the requests to request sender.
base::RepeatingClosure cancel_closure = base::BindRepeating(
&RequestSender::CancelRequest, weak_ptr_factory_.GetWeakPtr(),
request->GetWeakPtr());
if (!auth_service_->HasAccessToken()) {
// Fetch OAuth2 access token from the refresh token first.
auth_service_->StartAuthentication(
base::BindOnce(&RequestSender::OnAccessTokenFetched,
weak_ptr_factory_.GetWeakPtr(), request->GetWeakPtr()));
} else {
request->Start(auth_service_->access_token(), custom_user_agent_,
base::BindRepeating(&RequestSender::RetryRequest,
weak_ptr_factory_.GetWeakPtr()));
}
return cancel_closure;
}
void RequestSender::OnAccessTokenFetched(
const base::WeakPtr<AuthenticatedRequestInterface>& request,
ApiErrorCode code,
const std::string& /* access_token */) {
DCHECK(thread_checker_.CalledOnValidThread());
// Do nothing if the request is canceled during authentication.
if (!request.get())
return;
if (code == HTTP_SUCCESS) {
DCHECK(auth_service_->HasAccessToken());
StartRequestWithAuthRetryInternal(request.get());
} else {
request->OnAuthFailed(code);
}
}
void RequestSender::RetryRequest(AuthenticatedRequestInterface* request) {
DCHECK(thread_checker_.CalledOnValidThread());
auth_service_->ClearAccessToken();
// User authentication might have expired - rerun the request to force
// auth token refresh.
StartRequestWithAuthRetryInternal(request);
}
void RequestSender::CancelRequest(
const base::WeakPtr<AuthenticatedRequestInterface>& request) {
DCHECK(thread_checker_.CalledOnValidThread());
// Do nothing if the request is already finished.
if (!request.get())
return;
request->Cancel();
}
void RequestSender::RequestFinished(AuthenticatedRequestInterface* request) {
auto it = in_flight_requests_.find(request);
if (it == in_flight_requests_.end()) {
// Various BatchUpload tests in DriveApiRequestsTest will commit requests
// using this RequestSender without actually starting them on it. In that
// case, there's nothing to be done, so just return.
return;
}
in_flight_requests_.erase(it);
}
} // namespace google_apis
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