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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/google_apis/operation_runner.h"
#include "base/bind.h"
#include "chrome/browser/google_apis/auth_service.h"
#include "chrome/browser/google_apis/base_operations.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace google_apis {
OperationRunner::OperationRunner(
Profile* profile,
net::URLRequestContextGetter* url_request_context_getter,
const std::vector<std::string>& scopes,
const std::string& custom_user_agent)
: profile_(profile),
auth_service_(new AuthService(url_request_context_getter, scopes)),
operation_registry_(new OperationRegistry()),
custom_user_agent_(custom_user_agent),
weak_ptr_factory_(this) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
}
OperationRunner::~OperationRunner() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
}
void OperationRunner::Initialize() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
auth_service_->Initialize(profile_);
}
void OperationRunner::CancelAll() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
operation_registry_->CancelAll();
}
void OperationRunner::StartOperationWithRetry(
AuthenticatedOperationInterface* operation) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (!auth_service_->HasAccessToken()) {
// Fetch OAuth2 access token from the refresh token first.
auth_service_->StartAuthentication(
base::Bind(&OperationRunner::OnAccessTokenFetched,
weak_ptr_factory_.GetWeakPtr(),
operation->GetWeakPtr()));
return;
}
operation->Start(auth_service_->access_token(),
custom_user_agent_,
base::Bind(&OperationRunner::RetryOperation,
weak_ptr_factory_.GetWeakPtr()));
}
void OperationRunner::OnAccessTokenFetched(
const base::WeakPtr<AuthenticatedOperationInterface>& operation,
GDataErrorCode code,
const std::string& /* access_token */) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
// Do nothing if the operation is canceled during authentication.
if (!operation)
return;
if (code == HTTP_SUCCESS) {
DCHECK(auth_service_->HasAccessToken());
StartOperationWithRetry(operation);
} else {
operation->OnAuthFailed(code);
}
}
void OperationRunner::RetryOperation(
AuthenticatedOperationInterface* operation) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
auth_service_->ClearAccessToken();
// User authentication might have expired - rerun the request to force
// auth token refresh.
StartOperationWithRetry(operation);
}
} // namespace google_apis
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