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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/payments/payment_app_installer.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/histogram_functions.h"
#include "content/browser/payments/payment_app_context_impl.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/console_message.h"
#include "content/public/browser/service_worker_context_observer.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_registration_options.mojom.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
namespace {
// Self deleting installer installs a web payment app and deletes itself.
class SelfDeleteInstaller
: public ServiceWorkerContextObserver,
public base::RefCountedThreadSafe<SelfDeleteInstaller> {
public:
SelfDeleteInstaller(const std::string& app_name,
const std::string& app_icon,
const GURL& sw_url,
const GURL& scope,
const std::string& method,
const SupportedDelegations& supported_delegations,
PaymentAppInstaller::InstallPaymentAppCallback callback)
: app_name_(app_name),
app_icon_(app_icon),
sw_url_(sw_url),
scope_(scope),
method_(method),
supported_delegations_(supported_delegations),
callback_(std::move(callback)) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
SelfDeleteInstaller(const SelfDeleteInstaller& other) = delete;
SelfDeleteInstaller& operator=(const SelfDeleteInstaller& other) = delete;
void Init(WebContents* web_contents, bool use_cache) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
AddRef(); // Balanced by Release() in FinishInstallation.
// TODO: Switch to being a WebContentsObserver and listen for events to
// terminate installation early?
web_contents_ = web_contents->GetWeakPtr();
use_cache_ = use_cache;
BrowserContext* browser_context = web_contents->GetBrowserContext();
service_worker_context_ =
base::WrapRefCounted(static_cast<ServiceWorkerContextWrapper*>(
browser_context->GetDefaultStoragePartition()
->GetServiceWorkerContext()));
service_worker_context_->FindReadyRegistrationForScope(
scope_,
blink::StorageKey::CreateFirstParty(url::Origin::Create(scope_)),
base::BindOnce(&SelfDeleteInstaller::OnFindReadyRegistrationForScope,
this));
}
void OnFindReadyRegistrationForScope(
blink::ServiceWorkerStatusCode status,
scoped_refptr<ServiceWorkerRegistration> registration) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (AbortInstallIfWebContentsOrBrowserContextIsGone())
return;
if (status == blink::ServiceWorkerStatusCode::kOk && registration) {
DCHECK_EQ(scope_, registration->scope());
// The service worker is already registered and activated (i.e., ready).
// Use the existing service worker.
registration_id_ = registration->id();
SetPaymentAppIntoDatabase();
return;
}
// If no service workers found, then register a new one.
service_worker_context_->AddObserver(this);
blink::mojom::ServiceWorkerRegistrationOptions option;
option.scope = scope_;
if (!use_cache_) {
option.update_via_cache =
blink::mojom::ServiceWorkerUpdateViaCache::kNone;
}
// TODO(crbug.com/40177656): Because this function can be called in a 3p
// context we will need to generate a full StorageKey (origin + top-level
// site) once StorageKey is expanded with the top-level site.
service_worker_context_->RegisterServiceWorker(
sw_url_,
blink::StorageKey::CreateFirstParty(url::Origin::Create(option.scope)),
option,
base::BindOnce(&SelfDeleteInstaller::OnRegisterServiceWorkerResult,
this));
}
void OnRegistrationStored(int64_t registration_id,
const GURL& scope,
const content::ServiceWorkerRegistrationInformation&
service_worker_info) override {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (AbortInstallIfWebContentsOrBrowserContextIsGone())
return;
if (scope.EqualsIgnoringRef(scope_))
registration_id_ = registration_id;
}
void OnVersionActivated(int64_t version_id, const GURL& scope) override {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (AbortInstallIfWebContentsOrBrowserContextIsGone())
return;
if (scope.EqualsIgnoringRef(scope_))
SetPaymentAppIntoDatabase();
}
void OnErrorReported(int64_t version_id,
const GURL& scope,
const ErrorInfo& info) override {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (AbortInstallIfWebContentsOrBrowserContextIsGone())
return;
if (scope.EqualsIgnoringRef(scope_))
LOG(ERROR) << "The newly registered service worker has an error "
<< info.error_message;
FinishInstallation(false);
}
void OnRegisterServiceWorkerResult(blink::ServiceWorkerStatusCode status) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (AbortInstallIfWebContentsOrBrowserContextIsGone())
return;
if (status != blink::ServiceWorkerStatusCode::kOk) {
LOG(ERROR) << "Failed to install the web payment app " << sw_url_.spec();
FinishInstallation(false);
}
}
private:
friend class base::RefCountedThreadSafe<SelfDeleteInstaller>;
~SelfDeleteInstaller() override = default;
// If web contents or browser context are gone, then aborts payment and
// returns true. Should be called on UI thread.
bool AbortInstallIfWebContentsOrBrowserContextIsGone() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!web_contents_ || !web_contents_->GetBrowserContext()) {
FinishInstallation(false);
return true;
}
return false;
}
void SetPaymentAppIntoDatabase() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(web_contents_);
DCHECK(web_contents_->GetBrowserContext());
StoragePartitionImpl* partition = static_cast<StoragePartitionImpl*>(
web_contents_->GetBrowserContext()->GetDefaultStoragePartition());
scoped_refptr<PaymentAppContextImpl> payment_app_context =
partition->GetPaymentAppContext();
payment_app_context->payment_app_database()
->SetPaymentAppInfoForRegisteredServiceWorker(
registration_id_, scope_.spec(), app_name_, app_icon_, method_,
supported_delegations_,
base::BindOnce(&SelfDeleteInstaller::OnSetPaymentAppInfo, this));
}
void OnSetPaymentAppInfo(payments::mojom::PaymentHandlerStatus status) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
FinishInstallation(status == payments::mojom::PaymentHandlerStatus::SUCCESS
? true
: false);
}
void FinishInstallation(bool success) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Do nothing if this function has been called.
if (callback_.is_null())
return;
base::UmaHistogramBoolean("PaymentRequest.PaymentHandlerInstallSuccess",
success);
if (success) {
std::move(callback_).Run(registration_id_);
} else {
std::move(callback_).Run(-1);
}
service_worker_context_->RemoveObserver(this);
Release(); // Balanced by AddRef() in the constructor.
}
base::WeakPtr<WebContents> web_contents_;
std::string app_name_;
std::string app_icon_;
GURL sw_url_;
GURL scope_;
std::string method_;
SupportedDelegations supported_delegations_;
PaymentAppInstaller::InstallPaymentAppCallback callback_;
bool use_cache_ = false;
int64_t registration_id_ = -1; // Take -1 as an invalid registration Id.
scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
};
} // namespace.
// Static
void PaymentAppInstaller::Install(
WebContents* web_contents,
const std::string& app_name,
const std::string& app_icon,
const GURL& sw_url,
const GURL& scope,
bool use_cache,
const std::string& method,
const SupportedDelegations& supported_delegations,
InstallPaymentAppCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto installer = base::MakeRefCounted<SelfDeleteInstaller>(
app_name, app_icon, sw_url, scope, method, supported_delegations,
std::move(callback));
installer->Init(web_contents, use_cache);
}
} // namespace content
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