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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/background_sync/sync_manager.h"
#include "base/task/sequenced_task_runner.h"
#include "third_party/blink/public/platform/browser_interface_broker_proxy.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_throw_dom_exception.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_registration.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
SyncManager::SyncManager(ServiceWorkerRegistration* registration,
scoped_refptr<base::SequencedTaskRunner> task_runner)
: registration_(registration),
background_sync_service_(registration->GetExecutionContext()) {
DCHECK(registration);
registration->GetExecutionContext()->GetBrowserInterfaceBroker().GetInterface(
background_sync_service_.BindNewPipeAndPassReceiver(task_runner));
}
ScriptPromise<IDLUndefined> SyncManager::registerFunction(
ScriptState* script_state,
const String& tag,
ExceptionState& exception_state) {
if (!registration_->active()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidStateError,
"Registration failed - no active Service Worker");
return EmptyPromise();
}
ExecutionContext* execution_context = ExecutionContext::From(script_state);
if (execution_context->IsInFencedFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kNotAllowedError,
"Background Sync is not allowed in fenced frames.");
return EmptyPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver<IDLUndefined>>(
script_state, exception_state.GetContext());
auto promise = resolver->Promise();
mojom::blink::SyncRegistrationOptionsPtr sync_registration =
mojom::blink::SyncRegistrationOptions::New();
sync_registration->tag = tag;
background_sync_service_->Register(
std::move(sync_registration), registration_->RegistrationId(),
resolver->WrapCallbackInScriptScope(
WTF::BindOnce(&SyncManager::RegisterCallback, WrapPersistent(this))));
return promise;
}
ScriptPromise<IDLSequence<IDLString>> SyncManager::getTags(
ScriptState* script_state) {
ExecutionContext* execution_context = ExecutionContext::From(script_state);
if (execution_context->IsInFencedFrame()) {
return ScriptPromise<IDLSequence<IDLString>>::RejectWithDOMException(
script_state, MakeGarbageCollected<DOMException>(
DOMExceptionCode::kNotAllowedError,
"Background Sync is not allowed in fenced frames."));
}
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver<IDLSequence<IDLString>>>(
script_state);
auto promise = resolver->Promise();
background_sync_service_->GetRegistrations(
registration_->RegistrationId(),
resolver->WrapCallbackInScriptScope(
WTF::BindOnce(&SyncManager::GetRegistrationsCallback)));
return promise;
}
void SyncManager::RegisterCallback(
ScriptPromiseResolver<IDLUndefined>* resolver,
mojom::blink::BackgroundSyncError error,
mojom::blink::SyncRegistrationOptionsPtr options) {
DCHECK(resolver);
// TODO(iclelland): Determine the correct error message to return in each case
switch (error) {
case mojom::blink::BackgroundSyncError::NONE:
resolver->Resolve();
if (!options) {
break;
}
// Let the service know that the registration promise is resolved so that
// it can fire the event.
background_sync_service_->DidResolveRegistration(
mojom::blink::BackgroundSyncRegistrationInfo::New(
registration_->RegistrationId(), options->tag,
mojom::blink::BackgroundSyncType::ONE_SHOT));
break;
case mojom::blink::BackgroundSyncError::NOT_FOUND:
NOTREACHED();
case mojom::blink::BackgroundSyncError::STORAGE:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kUnknownError, "Background Sync is disabled."));
break;
case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kInvalidAccessError,
"Attempted to register a sync event without a "
"window or registration tag too long."));
break;
case mojom::blink::BackgroundSyncError::PERMISSION_DENIED:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kNotAllowedError, "Permission denied."));
break;
case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kInvalidStateError,
"Registration failed - no active Service Worker"));
break;
}
}
// static
void SyncManager::GetRegistrationsCallback(
ScriptPromiseResolver<IDLSequence<IDLString>>* resolver,
mojom::blink::BackgroundSyncError error,
WTF::Vector<mojom::blink::SyncRegistrationOptionsPtr> registrations) {
DCHECK(resolver);
// TODO(iclelland): Determine the correct error message to return in each case
switch (error) {
case mojom::blink::BackgroundSyncError::NONE: {
Vector<String> tags;
for (const auto& r : registrations) {
tags.push_back(r->tag);
}
resolver->Resolve(std::move(tags));
break;
}
case mojom::blink::BackgroundSyncError::NOT_FOUND:
case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
case mojom::blink::BackgroundSyncError::PERMISSION_DENIED:
// These errors should never be returned from
// BackgroundSyncManager::GetRegistrations
NOTREACHED();
case mojom::blink::BackgroundSyncError::STORAGE:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kUnknownError, "Background Sync is disabled."));
break;
case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
resolver->Reject(V8ThrowDOMException::CreateOrDie(
resolver->GetScriptState()->GetIsolate(),
DOMExceptionCode::kUnknownError, "No service worker is active."));
break;
}
}
void SyncManager::Trace(Visitor* visitor) const {
visitor->Trace(registration_);
visitor->Trace(background_sync_service_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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