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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/workers/shared_worker_client_holder.h"
#include <memory>
#include <utility>
#include "base/logging.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/common/messaging/message_port_channel.h"
#include "third_party/blink/public/mojom/worker/shared_worker_info.mojom-blink.h"
#include "third_party/blink/public/platform/web_content_security_policy.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/web/blink.h"
#include "third_party/blink/public/web/web_shared_worker.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/csp/content_security_policy.h"
#include "third_party/blink/renderer/core/workers/shared_worker.h"
#include "third_party/blink/renderer/core/workers/shared_worker_client.h"
namespace blink {
const char SharedWorkerClientHolder::kSupplementName[] =
"SharedWorkerClientHolder";
SharedWorkerClientHolder* SharedWorkerClientHolder::From(Document& document) {
DCHECK(IsMainThread());
SharedWorkerClientHolder* holder =
Supplement<Document>::From<SharedWorkerClientHolder>(document);
if (!holder) {
holder = MakeGarbageCollected<SharedWorkerClientHolder>(document);
Supplement<Document>::ProvideTo(document, holder);
}
return holder;
}
SharedWorkerClientHolder::SharedWorkerClientHolder(Document& document)
: ContextLifecycleObserver(&document),
task_runner_(document.GetTaskRunner(blink::TaskType::kDOMManipulation)) {
DCHECK(IsMainThread());
document.GetInterfaceProvider()->GetInterface(
mojo::MakeRequest(&connector_, task_runner_));
}
void SharedWorkerClientHolder::Connect(
SharedWorker* worker,
MessagePortChannel port,
const KURL& url,
mojom::blink::BlobURLTokenPtr blob_url_token,
const String& name) {
DCHECK(IsMainThread());
DCHECK(!name.IsNull());
// TODO(estark): this is broken, as it only uses the first header
// when multiple might have been sent. Fix by making the
// mojom::blink::SharedWorkerInfo take a map that can contain multiple
// headers.
Vector<CSPHeaderAndType> headers =
worker->GetExecutionContext()->GetContentSecurityPolicy()->Headers();
WebString header = "";
auto header_type = mojom::ContentSecurityPolicyType::kReport;
if (headers.size() > 0) {
header = headers[0].first;
header_type =
static_cast<mojom::ContentSecurityPolicyType>(headers[0].second);
}
mojom::blink::SharedWorkerInfoPtr info(mojom::blink::SharedWorkerInfo::New(
url, name, header, header_type,
worker->GetExecutionContext()->GetSecurityContext().AddressSpace()));
mojom::blink::SharedWorkerClientPtr client_ptr;
client_set_.AddBinding(std::make_unique<SharedWorkerClient>(worker),
mojo::MakeRequest(&client_ptr, task_runner_),
task_runner_);
connector_->Connect(
std::move(info), std::move(client_ptr),
worker->GetExecutionContext()->IsSecureContext()
? mojom::SharedWorkerCreationContextType::kSecure
: mojom::SharedWorkerCreationContextType::kNonsecure,
port.ReleaseHandle(),
mojom::blink::BlobURLTokenPtr(mojom::blink::BlobURLTokenPtrInfo(
blob_url_token.PassInterface().PassHandle(),
mojom::blink::BlobURLToken::Version_)));
}
void SharedWorkerClientHolder::ContextDestroyed(ExecutionContext*) {
DCHECK(IsMainThread());
// Close mojo connections which will signal disinterest in the associated
// shared worker.
client_set_.CloseAllBindings();
}
void SharedWorkerClientHolder::Trace(Visitor* visitor) {
Supplement<Document>::Trace(visitor);
ContextLifecycleObserver::Trace(visitor);
}
} // namespace blink
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