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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.
#ifndef CHROME_BROWSER_MEDIA_CDM_DOCUMENT_SERVICE_IMPL_H_
#define CHROME_BROWSER_MEDIA_CDM_DOCUMENT_SERVICE_IMPL_H_
#include <set>
#include <string>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "build/build_config.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/document_service.h"
#include "media/mojo/mojom/cdm_document_service.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ash/attestation/platform_verification_flow.h"
#endif
// Implements media::mojom::CdmDocumentService. Can only be used on the
// UI thread because PlatformVerificationFlow and the pref service lives on the
// UI thread.
// Ownership Note: There's one CdmDocumentServiceImpl per RenderFrame per
// service type ( MediaFoundationService or CdmService). For
// MediaFoundationService's case, this can be seen in the ownership chain of
// InterfaceFactoryImpl -> MediaFoundationCdmFactory -> MojoCdmHelper
// -> mojo::Remote<mojom::CdmDocumentService>.
class CdmDocumentServiceImpl final
: public content::DocumentService<media::mojom::CdmDocumentService> {
public:
static void Create(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<media::mojom::CdmDocumentService> receiver);
// media::mojom::CdmDocumentService implementation.
void ChallengePlatform(const std::string& service_id,
const std::string& challenge,
ChallengePlatformCallback callback) final;
void GetStorageId(uint32_t version, GetStorageIdCallback callback) final;
#if BUILDFLAG(IS_CHROMEOS)
void IsVerifiedAccessEnabled(IsVerifiedAccessEnabledCallback callback) final;
#endif // BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_WIN)
void GetMediaFoundationCdmData(
GetMediaFoundationCdmDataCallback callback) final;
void SetCdmClientToken(const std::vector<uint8_t>& client_token) final;
void OnCdmEvent(media::CdmEvent event, uint32_t hresult) final;
static void ClearCdmData(
Profile* profile,
base::Time start,
base::Time end,
const base::RepeatingCallback<bool(const GURL&)>& filter,
base::OnceClosure complete_cb);
#endif // BUILDFLAG(IS_WIN)
private:
CdmDocumentServiceImpl(
content::RenderFrameHost& render_frame_host,
mojo::PendingReceiver<media::mojom::CdmDocumentService> receiver);
// |this| can only be destructed as a DocumentService.
~CdmDocumentServiceImpl() final;
#if BUILDFLAG(IS_CHROMEOS)
using PlatformVerificationResult =
ash::attestation::PlatformVerificationFlow::Result;
void OnPlatformChallenged(ChallengePlatformCallback callback,
PlatformVerificationResult result,
const std::string& signed_data,
const std::string& signature,
const std::string& platform_key_certificate);
#endif
void OnStorageIdResponse(GetStorageIdCallback callback,
const std::vector<uint8_t>& storage_id);
#if BUILDFLAG(IS_CHROMEOS)
scoped_refptr<ash::attestation::PlatformVerificationFlow>
platform_verification_flow_;
#endif
#if BUILDFLAG(IS_WIN)
// See comments in OnCdmEvent() implementation.
std::set<media::CdmEvent> reported_cdm_event_;
#endif
base::WeakPtrFactory<CdmDocumentServiceImpl> weak_factory_{this};
};
#endif // CHROME_BROWSER_MEDIA_CDM_DOCUMENT_SERVICE_IMPL_H_
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