media/wmf-clearkey/WMFClearKeyInputTrustAuthority.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "WMFClearKeyInputTrustAuthority.h"
   6
   7 #include <mfapi.h>
   8 #include <mferror.h>
   9
  10 #include "WMFClearKeyActivate.h"
  11 #include "WMFClearKeyCDM.h"
  12 // #include "WMFClearKeyDecryptor.h"
  13 #include "WMFClearKeyUtils.h"
  14 #include "WMFClearKeyOutputPolicy.h"
  15
  16 namespace mozilla {
  17
  18 using Microsoft::WRL::ComPtr;
  19 using Microsoft::WRL::MakeAndInitialize;
  20
  21 HRESULT WMFClearKeyInputTrustAuthority::RuntimeClassInitialize(
  22     UINT32 aStreamId, SessionManagerWrapper* aSessionManager) {
  23   ENTRY_LOG();
  24   mSessionManager = aSessionManager;
  25   return S_OK;
  26 }
  27
  28 STDMETHODIMP WMFClearKeyInputTrustAuthority::GetDecrypter(REFIID aRiid,
  29                                                           void** aPpv) {
  30   ENTRY_LOG();
  31   ComPtr<IMFTransform> decryptor;
  32   // TODO : As currently we are still not able to make decryption working in the
  33   // media foundation pipeline, we will finish the implementation for
  34   // WMFClearKeyDecryptor later.
  35   // RETURN_IF_FAILED((MakeAndInitialize<WMFClearKeyDecryptor, IMFTransform>(
  36   //     &decryptor, mSessionManager)));
  37   RETURN_IF_FAILED(decryptor.CopyTo(aRiid, aPpv));
  38   return S_OK;
  39 }
  40
  41 STDMETHODIMP WMFClearKeyInputTrustAuthority::RequestAccess(
  42     MFPOLICYMANAGER_ACTION aAction, IMFActivate** aContentEnablerActivate) {
  43   ENTRY_LOG_ARGS("aAction=%d", aAction);
  44   // The ITA only allows the PLAY, EXTRACT and NO actions
  45   // NOTE: Topology created only on the basis of EXTRACT or NO action will NOT
  46   // decrypt content.
  47   if (PEACTION_EXTRACT == aAction || PEACTION_NO == aAction) {
  48     return S_OK;
  49   }
  50   if (PEACTION_PLAY != aAction) {
  51     ENTRY_LOG_ARGS("Unsupported action");
  52     return MF_E_ITA_UNSUPPORTED_ACTION;
  53   }
  54   ComPtr<IMFActivate> activate;
  55   RETURN_IF_FAILED(MakeAndInitialize<WMFClearKeyActivate>(&activate));
  56   *aContentEnablerActivate = activate.Detach();
  57   return S_OK;
  58 }
  59
  60 STDMETHODIMP WMFClearKeyInputTrustAuthority::GetPolicy(
  61     MFPOLICYMANAGER_ACTION aAction, IMFOutputPolicy** aPolicy) {
  62   ENTRY_LOG();
  63   // For testing purpose, we don't need to set the output policy/
  64   *aPolicy = nullptr;
  65   return S_OK;
  66 }
  67
  68 STDMETHODIMP WMFClearKeyInputTrustAuthority::BindAccess(
  69     MFINPUTTRUSTAUTHORITY_ACCESS_PARAMS* aParams) {
  70   ENTRY_LOG();
  71   if (aParams == nullptr || aParams->dwVer != 0) {
  72     return E_INVALIDARG;
  73   }
  74   for (DWORD i = 0; i < aParams->cActions; ++i) {
  75     MFPOLICYMANAGER_ACTION action = aParams->rgOutputActions[i].Action;
  76     if (action != PEACTION_PLAY && action != PEACTION_EXTRACT &&
  77         action != PEACTION_NO) {
  78       ENTRY_LOG_ARGS("Unexpected action!");
  79       return MF_E_UNEXPECTED;
  80     }
  81   }
  82   return S_OK;
  83 }
  84
  85 STDMETHODIMP WMFClearKeyInputTrustAuthority::UpdateAccess(
  86     MFINPUTTRUSTAUTHORITY_ACCESS_PARAMS* aParams) {
  87   ENTRY_LOG();
  88   return BindAccess(aParams);
  89 }
  90
  91 STDMETHODIMP WMFClearKeyInputTrustAuthority::Reset() {
  92   NOT_IMPLEMENTED();
  93   return E_NOTIMPL;
  94 }
  95
  96 STDMETHODIMP WMFClearKeyInputTrustAuthority::GetShutdownStatus(
  97     MFSHUTDOWN_STATUS* aStatus) {
  98   ENTRY_LOG();
  99   // https://learn.microsoft.com/en-us/windows/win32/api/mfidl/nf-mfidl-imfshutdown-getshutdownstatus#return-value
 100   if (mSessionManager->IsShutdown()) {
 101     return MF_E_INVALIDREQUEST;
 102   }
 103   return S_OK;
 104 }
 105
 106 STDMETHODIMP WMFClearKeyInputTrustAuthority::Shutdown() {
 107   ENTRY_LOG();
 108   if (mSessionManager->IsShutdown()) {
 109     return MF_E_SHUTDOWN;
 110   }
 111   mSessionManager->Shutdown();
 112   return S_OK;
 113 }
 114
 115 }  // namespace mozilla