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content / browser / background_fetch / background_fetch_service_impl.cc [blame]
// Copyright 2017 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/background_fetch/background_fetch_service_impl.h"
#include <memory>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/uuid.h"
#include "content/browser/background_fetch/background_fetch_context.h"
#include "content/browser/background_fetch/background_fetch_metrics.h"
#include "content/browser/background_fetch/background_fetch_registration_id.h"
#include "content/browser/background_fetch/background_fetch_registration_notifier.h"
#include "content/browser/background_fetch/background_fetch_request_match_params.h"
#include "content/browser/bad_message.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/service_worker_version_base_info.h"
#include "content/public/browser/web_contents.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom.h"
namespace content {
namespace {
// Maximum length of a developer-provided |developer_id| for a Background Fetch.
constexpr size_t kMaxDeveloperIdLength = 1024 * 1024;
} // namespace
// static
void BackgroundFetchServiceImpl::CreateForWorker(
const net::NetworkIsolationKey& network_isolation_key,
const ServiceWorkerVersionBaseInfo& info,
mojo::PendingReceiver<blink::mojom::BackgroundFetchService> receiver) {
// TODO(rayankans): Remove `network_isolation_key` parameter since it's no
// longer used.
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RenderProcessHost* render_process_host =
RenderProcessHost::FromID(info.process_id);
if (!render_process_host)
return;
auto* partition = static_cast<StoragePartitionImpl*>(
render_process_host->GetStoragePartition());
scoped_refptr<BackgroundFetchContext> context =
WrapRefCounted(partition->GetBackgroundFetchContext());
// The renderer should have checked and disallowed the request for fenced
// frames and thrown an exception in blink::BackgroundFetchManager. Ignore the
// request and mark it as bad if the renderer side check didn't happen for
// some reason.
scoped_refptr<ServiceWorkerRegistration> registration =
partition->GetServiceWorkerContext()->GetLiveRegistration(
info.registration_id);
if (registration && registration->ancestor_frame_type() ==
blink::mojom::AncestorFrameType::kFencedFrame) {
bad_message::ReceivedBadMessage(
render_process_host, bad_message::BFSI_CREATE_FOR_WORKER_FENCED_FRAME);
return;
}
mojo::MakeSelfOwnedReceiver(std::make_unique<BackgroundFetchServiceImpl>(
std::move(context), info.storage_key,
info.storage_key.ToPartialNetIsolationInfo(),
render_process_host, /*rfh=*/nullptr),
std::move(receiver));
}
// static
void BackgroundFetchServiceImpl::CreateForFrame(
RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::BackgroundFetchService> receiver) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(render_frame_host);
if (render_frame_host->IsNestedWithinFencedFrame()) {
// The renderer should have checked and disallowed the request for fenced
// frames and throw exception in blink::BackgroundFetchManager. Ignore the
// request and mark it as bad if it didn't happen for some reason.
// TODO(crbug.com/40205566) Follow-up on this line depending on the
// conclusion at
// https://groups.google.com/a/chromium.org/g/navigation-dev/c/BZLlGsL2-64
bad_message::ReceivedBadMessage(
render_frame_host->GetProcess(),
bad_message::BFSI_CREATE_FOR_FRAME_FENCED_FRAME);
return;
}
auto* rfhi = static_cast<RenderFrameHostImpl*>(render_frame_host);
RenderProcessHost* render_process_host = rfhi->GetProcess();
DCHECK(render_process_host);
scoped_refptr<BackgroundFetchContext> context =
WrapRefCounted(static_cast<StoragePartitionImpl*>(
render_process_host->GetStoragePartition())
->GetBackgroundFetchContext());
mojo::MakeSelfOwnedReceiver(
std::make_unique<BackgroundFetchServiceImpl>(
std::move(context), rfhi->GetStorageKey(),
rfhi->GetIsolationInfoForSubresources(), rfhi->GetProcess(), rfhi),
std::move(receiver));
}
BackgroundFetchServiceImpl::BackgroundFetchServiceImpl(
scoped_refptr<BackgroundFetchContext> background_fetch_context,
blink::StorageKey storage_key,
net::IsolationInfo isolation_info,
RenderProcessHost* rph,
RenderFrameHostImpl* rfh)
: background_fetch_context_(std::move(background_fetch_context)),
storage_key_(std::move(storage_key)),
isolation_info_(std::move(isolation_info)),
rph_id_(rph->GetID()),
rfh_id_(rfh ? rfh->GetGlobalId() : GlobalRenderFrameHostId()) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(background_fetch_context_);
}
BackgroundFetchServiceImpl::~BackgroundFetchServiceImpl() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void BackgroundFetchServiceImpl::Fetch(
int64_t service_worker_registration_id,
const std::string& developer_id,
std::vector<blink::mojom::FetchAPIRequestPtr> requests,
blink::mojom::BackgroundFetchOptionsPtr options,
const SkBitmap& icon,
blink::mojom::BackgroundFetchUkmDataPtr ukm_data,
FetchCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!ValidateDeveloperId(developer_id) || !ValidateRequests(requests)) {
std::move(callback).Run(
blink::mojom::BackgroundFetchError::INVALID_ARGUMENT,
/* registration= */ nullptr);
return;
}
// New |unique_id|, since this is a new Background Fetch registration. This is
// the only place new |unique_id|s should be created outside of tests.
BackgroundFetchRegistrationId registration_id(
service_worker_registration_id, storage_key_, developer_id,
base::Uuid::GenerateRandomV4().AsLowercaseString());
background_fetch_context_->StartFetch(
registration_id, std::move(requests), std::move(options), icon,
std::move(ukm_data), RenderProcessHost::FromID(rph_id_),
RenderFrameHostImpl::FromID(rfh_id_), isolation_info_,
std::move(callback));
}
void BackgroundFetchServiceImpl::GetIconDisplaySize(
blink::mojom::BackgroundFetchService::GetIconDisplaySizeCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
background_fetch_context_->GetIconDisplaySize(std::move(callback));
}
void BackgroundFetchServiceImpl::GetRegistration(
int64_t service_worker_registration_id,
const std::string& developer_id,
GetRegistrationCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!ValidateDeveloperId(developer_id)) {
std::move(callback).Run(
blink::mojom::BackgroundFetchError::INVALID_ARGUMENT,
/* registration= */ nullptr);
return;
}
background_fetch_context_->GetRegistration(service_worker_registration_id,
storage_key_, developer_id,
std::move(callback));
}
void BackgroundFetchServiceImpl::GetDeveloperIds(
int64_t service_worker_registration_id,
GetDeveloperIdsCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
background_fetch_context_->GetDeveloperIdsForServiceWorker(
service_worker_registration_id, storage_key_, std::move(callback));
}
bool BackgroundFetchServiceImpl::ValidateDeveloperId(
const std::string& developer_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (developer_id.empty() || developer_id.size() > kMaxDeveloperIdLength) {
mojo::ReportBadMessage("Invalid developer_id");
return false;
}
return true;
}
bool BackgroundFetchServiceImpl::ValidateUniqueId(
const std::string& unique_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!base::Uuid::ParseLowercase(unique_id).is_valid()) {
mojo::ReportBadMessage("Invalid unique_id");
return false;
}
return true;
}
bool BackgroundFetchServiceImpl::ValidateRequests(
const std::vector<blink::mojom::FetchAPIRequestPtr>& requests) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (requests.empty()) {
mojo::ReportBadMessage("Invalid requests");
return false;
}
return true;
}
} // namespace content