gecko-dev/dom/media/gmp/GMPDecryptorParent.cpp

510 строки
16 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GMPDecryptorParent.h"
#include "GMPContentParent.h"
#include "MediaData.h"
#include "mozilla/SizePrintfMacros.h"
#include "mozilla/Unused.h"
namespace mozilla {
#ifdef LOG
#undef LOG
#endif
extern LogModule* GetGMPLog();
#define LOGV(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Verbose, msg)
#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg)
#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg)
namespace gmp {
GMPDecryptorParent::GMPDecryptorParent(GMPContentParent* aPlugin)
: mIsOpen(false)
, mShuttingDown(false)
, mActorDestroyed(false)
, mPlugin(aPlugin)
, mPluginId(aPlugin->GetPluginId())
, mCallback(nullptr)
#ifdef DEBUG
, mGMPThread(aPlugin->GMPThread())
#endif
{
MOZ_ASSERT(mPlugin && mGMPThread);
}
GMPDecryptorParent::~GMPDecryptorParent()
{
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvSetDecryptorId(const uint32_t& aId)
{
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->SetDecryptorId(aId);
return IPC_OK();
}
nsresult
GMPDecryptorParent::Init(GMPDecryptorProxyCallback* aCallback,
bool aDistinctiveIdentifierRequired,
bool aPersistentStateRequired)
{
LOGD(("GMPDecryptorParent[%p]::Init()", this));
if (mIsOpen) {
NS_WARNING("Trying to re-use an in-use GMP decrypter!");
return NS_ERROR_FAILURE;
}
mCallback = aCallback;
if (!SendInit(aDistinctiveIdentifierRequired, aPersistentStateRequired)) {
return NS_ERROR_FAILURE;
}
mIsOpen = true;
return NS_OK;
}
void
GMPDecryptorParent::CreateSession(uint32_t aCreateSessionToken,
uint32_t aPromiseId,
const nsCString& aInitDataType,
const nsTArray<uint8_t>& aInitData,
GMPSessionType aSessionType)
{
LOGD(("GMPDecryptorParent[%p]::CreateSession(token=%u, promiseId=%u, aInitData='%s')",
this, aCreateSessionToken, aPromiseId, ToHexString(aInitData).get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aInitDataType.IsEmpty() && !aInitData.IsEmpty());
Unused << SendCreateSession(aCreateSessionToken, aPromiseId, aInitDataType, aInitData, aSessionType);
}
void
GMPDecryptorParent::LoadSession(uint32_t aPromiseId,
const nsCString& aSessionId)
{
LOGD(("GMPDecryptorParent[%p]::LoadSession(sessionId='%s', promiseId=%u)",
this, aSessionId.get(), aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aSessionId.IsEmpty());
Unused << SendLoadSession(aPromiseId, aSessionId);
}
void
GMPDecryptorParent::UpdateSession(uint32_t aPromiseId,
const nsCString& aSessionId,
const nsTArray<uint8_t>& aResponse)
{
LOGD(("GMPDecryptorParent[%p]::UpdateSession(sessionId='%s', promiseId=%u response='%s')",
this, aSessionId.get(), aPromiseId, ToHexString(aResponse).get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aSessionId.IsEmpty() && !aResponse.IsEmpty());
Unused << SendUpdateSession(aPromiseId, aSessionId, aResponse);
}
void
GMPDecryptorParent::CloseSession(uint32_t aPromiseId,
const nsCString& aSessionId)
{
LOGD(("GMPDecryptorParent[%p]::CloseSession(sessionId='%s', promiseId=%u)",
this, aSessionId.get(), aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aSessionId.IsEmpty());
Unused << SendCloseSession(aPromiseId, aSessionId);
}
void
GMPDecryptorParent::RemoveSession(uint32_t aPromiseId,
const nsCString& aSessionId)
{
LOGD(("GMPDecryptorParent[%p]::RemoveSession(sessionId='%s', promiseId=%u)",
this, aSessionId.get(), aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aSessionId.IsEmpty());
Unused << SendRemoveSession(aPromiseId, aSessionId);
}
void
GMPDecryptorParent::SetServerCertificate(uint32_t aPromiseId,
const nsTArray<uint8_t>& aServerCert)
{
LOGD(("GMPDecryptorParent[%p]::SetServerCertificate(promiseId=%u)",
this, aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in from JS are valid.
MOZ_ASSERT(!aServerCert.IsEmpty());
Unused << SendSetServerCertificate(aPromiseId, aServerCert);
}
void
GMPDecryptorParent::Decrypt(uint32_t aId,
const CryptoSample& aCrypto,
const nsTArray<uint8_t>& aBuffer)
{
LOGV(("GMPDecryptorParent[%p]::Decrypt(id=%d)", this, aId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return;
}
// Caller should ensure parameters passed in are valid.
MOZ_ASSERT(!aBuffer.IsEmpty());
if (aCrypto.mValid) {
GMPDecryptionData data(aCrypto.mKeyId,
aCrypto.mIV,
aCrypto.mPlainSizes,
aCrypto.mEncryptedSizes,
aCrypto.mSessionIds);
Unused << SendDecrypt(aId, aBuffer, data);
} else {
GMPDecryptionData data;
Unused << SendDecrypt(aId, aBuffer, data);
}
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvSetSessionId(const uint32_t& aCreateSessionId,
const nsCString& aSessionId)
{
LOGD(("GMPDecryptorParent[%p]::RecvSetSessionId(token=%u, sessionId='%s')",
this, aCreateSessionId, aSessionId.get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->SetSessionId(aCreateSessionId, aSessionId);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvResolveLoadSessionPromise(const uint32_t& aPromiseId,
const bool& aSuccess)
{
LOGD(("GMPDecryptorParent[%p]::RecvResolveLoadSessionPromise(promiseId=%u)",
this, aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->ResolveLoadSessionPromise(aPromiseId, aSuccess);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvResolvePromise(const uint32_t& aPromiseId)
{
LOGD(("GMPDecryptorParent[%p]::RecvResolvePromise(promiseId=%u)",
this, aPromiseId));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->ResolvePromise(aPromiseId);
return IPC_OK();
}
nsresult
GMPExToNsresult(GMPDOMException aDomException) {
switch (aDomException) {
case kGMPNoModificationAllowedError: return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
case kGMPNotFoundError: return NS_ERROR_DOM_NOT_FOUND_ERR;
case kGMPNotSupportedError: return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
case kGMPInvalidStateError: return NS_ERROR_DOM_INVALID_STATE_ERR;
case kGMPSyntaxError: return NS_ERROR_DOM_SYNTAX_ERR;
case kGMPInvalidModificationError: return NS_ERROR_DOM_INVALID_MODIFICATION_ERR;
case kGMPInvalidAccessError: return NS_ERROR_DOM_INVALID_ACCESS_ERR;
case kGMPSecurityError: return NS_ERROR_DOM_SECURITY_ERR;
case kGMPAbortError: return NS_ERROR_DOM_ABORT_ERR;
case kGMPQuotaExceededError: return NS_ERROR_DOM_QUOTA_EXCEEDED_ERR;
case kGMPTimeoutError: return NS_ERROR_DOM_TIMEOUT_ERR;
case kGMPTypeError: return NS_ERROR_DOM_TYPE_ERR;
default: return NS_ERROR_DOM_UNKNOWN_ERR;
}
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvRejectPromise(const uint32_t& aPromiseId,
const GMPDOMException& aException,
const nsCString& aMessage)
{
LOGD(("GMPDecryptorParent[%p]::RecvRejectPromise(promiseId=%u, exception=%d, msg='%s')",
this, aPromiseId, aException, aMessage.get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->RejectPromise(aPromiseId, GMPExToNsresult(aException), aMessage);
return IPC_OK();
}
static dom::MediaKeyMessageType
ToMediaKeyMessageType(GMPSessionMessageType aMessageType) {
switch (aMessageType) {
case kGMPLicenseRequest: return dom::MediaKeyMessageType::License_request;
case kGMPLicenseRenewal: return dom::MediaKeyMessageType::License_renewal;
case kGMPLicenseRelease: return dom::MediaKeyMessageType::License_release;
case kGMPIndividualizationRequest: return dom::MediaKeyMessageType::Individualization_request;
default: return dom::MediaKeyMessageType::License_request;
};
};
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvSessionMessage(const nsCString& aSessionId,
const GMPSessionMessageType& aMessageType,
nsTArray<uint8_t>&& aMessage)
{
LOGD(("GMPDecryptorParent[%p]::RecvSessionMessage(sessionId='%s', type=%d, msg='%s')",
this, aSessionId.get(), aMessageType, ToHexString(aMessage).get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->SessionMessage(aSessionId, ToMediaKeyMessageType(aMessageType), aMessage);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvExpirationChange(const nsCString& aSessionId,
const double& aExpiryTime)
{
LOGD(("GMPDecryptorParent[%p]::RecvExpirationChange(sessionId='%s', expiry=%lf)",
this, aSessionId.get(), aExpiryTime));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->ExpirationChange(aSessionId, aExpiryTime);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvSessionClosed(const nsCString& aSessionId)
{
LOGD(("GMPDecryptorParent[%p]::RecvSessionClosed(sessionId='%s')",
this, aSessionId.get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->SessionClosed(aSessionId);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvSessionError(const nsCString& aSessionId,
const GMPDOMException& aException,
const uint32_t& aSystemCode,
const nsCString& aMessage)
{
LOGD(("GMPDecryptorParent[%p]::RecvSessionError(sessionId='%s', exception=%d, sysCode=%d, msg='%s')",
this, aSessionId.get(),
aException, aSystemCode, aMessage.get()));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->SessionError(aSessionId,
GMPExToNsresult(aException),
aSystemCode,
aMessage);
return IPC_OK();
}
static dom::MediaKeyStatus
ToMediaKeyStatus(GMPMediaKeyStatus aStatus) {
switch (aStatus) {
case kGMPUsable: return dom::MediaKeyStatus::Usable;
case kGMPExpired: return dom::MediaKeyStatus::Expired;
case kGMPOutputDownscaled: return dom::MediaKeyStatus::Output_downscaled;
case kGMPOutputRestricted: return dom::MediaKeyStatus::Output_restricted;
case kGMPInternalError: return dom::MediaKeyStatus::Internal_error;
case kGMPReleased: return dom::MediaKeyStatus::Released;
case kGMPStatusPending: return dom::MediaKeyStatus::Status_pending;
default: return dom::MediaKeyStatus::Internal_error;
}
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvBatchedKeyStatusChanged(const nsCString& aSessionId,
InfallibleTArray<GMPKeyInformation>&& aKeyInfos)
{
LOGD(("GMPDecryptorParent[%p]::RecvBatchedKeyStatusChanged(sessionId='%s', KeyInfos len='%" PRIuSIZE "')",
this, aSessionId.get(), aKeyInfos.Length()));
if (mIsOpen) {
nsTArray<CDMKeyInfo> cdmKeyInfos(aKeyInfos.Length());
for (uint32_t i = 0; i < aKeyInfos.Length(); i++) {
LOGD(("GMPDecryptorParent[%p]::RecvBatchedKeyStatusChanged(keyId=%s, gmp-status=%d)",
this, ToHexString(aKeyInfos[i].keyId()).get(), aKeyInfos[i].status()));
// If the status is kGMPUnknown, we're going to forget(remove) that key info.
if (aKeyInfos[i].status() != kGMPUnknown) {
auto status = ToMediaKeyStatus(aKeyInfos[i].status());
cdmKeyInfos.AppendElement(CDMKeyInfo(aKeyInfos[i].keyId(),
dom::Optional<dom::MediaKeyStatus>(status)));
} else {
cdmKeyInfos.AppendElement(CDMKeyInfo(aKeyInfos[i].keyId()));
}
}
mCallback->BatchedKeyStatusChanged(aSessionId, cdmKeyInfos);
}
return IPC_OK();
}
DecryptStatus
ToDecryptStatus(GMPErr aError)
{
switch (aError) {
case GMPNoErr: return Ok;
case GMPNoKeyErr: return NoKeyErr;
case GMPAbortedErr: return AbortedErr;
default: return GenericErr;
}
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvDecrypted(const uint32_t& aId,
const GMPErr& aErr,
InfallibleTArray<uint8_t>&& aBuffer)
{
LOGV(("GMPDecryptorParent[%p]::RecvDecrypted(id=%d, err=%d)",
this, aId, aErr));
if (!mIsOpen) {
NS_WARNING("Trying to use a dead GMP decrypter!");
return IPC_FAIL_NO_REASON(this);
}
mCallback->Decrypted(aId, ToDecryptStatus(aErr), aBuffer);
return IPC_OK();
}
mozilla::ipc::IPCResult
GMPDecryptorParent::RecvShutdown()
{
LOGD(("GMPDecryptorParent[%p]::RecvShutdown()", this));
Shutdown();
return IPC_OK();
}
// Note: may be called via Terminated()
void
GMPDecryptorParent::Close()
{
LOGD(("GMPDecryptorParent[%p]::Close()", this));
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
// Consumer is done with us; we can shut down. No more callbacks should
// be made to mCallback. Note: do this before Shutdown()!
mCallback = nullptr;
// Let Shutdown mark us as dead so it knows if we had been alive
// In case this is the last reference
RefPtr<GMPDecryptorParent> kungfudeathgrip(this);
this->Release();
Shutdown();
}
void
GMPDecryptorParent::Shutdown()
{
LOGD(("GMPDecryptorParent[%p]::Shutdown()", this));
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
if (mShuttingDown) {
return;
}
mShuttingDown = true;
// Notify client we're gone! Won't occur after Close()
if (mCallback) {
mCallback->Terminated();
mCallback = nullptr;
}
mIsOpen = false;
if (!mActorDestroyed) {
Unused << SendDecryptingComplete();
}
}
// Note: Keep this sync'd up with Shutdown
void
GMPDecryptorParent::ActorDestroy(ActorDestroyReason aWhy)
{
LOGD(("GMPDecryptorParent[%p]::ActorDestroy(reason=%d)", this, aWhy));
mIsOpen = false;
mActorDestroyed = true;
if (mCallback) {
// May call Close() (and Shutdown()) immediately or with a delay
mCallback->Terminated();
mCallback = nullptr;
}
if (mPlugin) {
mPlugin->DecryptorDestroyed(this);
mPlugin = nullptr;
}
MaybeDisconnect(aWhy == AbnormalShutdown);
}
mozilla::ipc::IPCResult
GMPDecryptorParent::Recv__delete__()
{
LOGD(("GMPDecryptorParent[%p]::Recv__delete__()", this));
if (mPlugin) {
mPlugin->DecryptorDestroyed(this);
mPlugin = nullptr;
}
return IPC_OK();
}
} // namespace gmp
} // namespace mozilla