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// Copyright 2025 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/ad_auction/testing/internals_protected_audience.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/platform/browser_interface_broker_proxy.h"
#include "third_party/blink/public/test/mojom/privacy_sandbox/web_privacy_sandbox_automation.test-mojom-blink.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/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
#include "third_party/blink/renderer/platform/wtf/text/base64.h"
namespace blink {
// static
ScriptPromise<IDLUndefined>
InternalsProtectedAudience::setProtectedAudienceKAnonymity(
ScriptState* script_state,
Internals&,
const String& owner_origin_str,
const String& name,
const Vector<String>& hashes_base64) {
const ExecutionContext* context = ExecutionContext::From(script_state);
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver<IDLUndefined>>(script_state);
auto promise = resolver->Promise();
scoped_refptr<const SecurityOrigin> owner_origin =
SecurityOrigin::CreateFromString(owner_origin_str);
if (!owner_origin->Host().EndsWith(".test")) {
resolver->Reject("owner origin must be on a .test domain");
return promise;
}
for (const auto& in_hash_b64 : hashes_base64) {
Vector<uint8_t> hash;
if (!WTF::Base64Decode(in_hash_b64, hash, Base64DecodePolicy::kForgiving)) {
resolver->Reject("hash not base64 encoded");
return promise;
}
}
mojo::Remote<test::mojom::blink::WebPrivacySandboxAutomation>
sandbox_automation;
context->GetBrowserInterfaceBroker().GetInterface(
sandbox_automation.BindNewPipeAndPassReceiver());
auto* raw_sandbox_automation = sandbox_automation.get();
raw_sandbox_automation->SetProtectedAudienceKAnonymity(
owner_origin, name, hashes_base64,
WTF::BindOnce(
// The remote is taken to take its ownership.
[](ScriptPromiseResolver<IDLUndefined>* resolver,
mojo::Remote<test::mojom::blink::WebPrivacySandboxAutomation>) {
resolver->Resolve();
},
WrapPersistent(resolver), std::move(sandbox_automation)));
return promise;
}
} // namespace blink
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