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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/mojo/services/mojo_cdm.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "media/base/cdm_context.h"
#include "media/base/cdm_key_information.h"
#include "media/base/cdm_promise.h"
#include "media/mojo/services/media_type_converters.h"
#include "mojo/application/public/cpp/connect.h"
#include "mojo/application/public/interfaces/service_provider.mojom.h"
#include "url/gurl.h"
namespace media {
template <typename PromiseType>
static void RejectPromise(scoped_ptr<PromiseType> promise,
interfaces::CdmPromiseResultPtr result) {
promise->reject(static_cast<MediaKeys::Exception>(result->exception),
result->system_code, result->error_message);
}
// static
void MojoCdm::Create(
const std::string& key_system,
const GURL& security_origin,
const media::CdmConfig& cdm_config,
interfaces::ContentDecryptionModulePtr remote_cdm,
const media::SessionMessageCB& session_message_cb,
const media::SessionClosedCB& session_closed_cb,
const media::LegacySessionErrorCB& legacy_session_error_cb,
const media::SessionKeysChangeCB& session_keys_change_cb,
const media::SessionExpirationUpdateCB& session_expiration_update_cb,
const media::CdmCreatedCB& cdm_created_cb) {
scoped_ptr<MojoCdm> mojo_cdm(
new MojoCdm(remote_cdm.Pass(), session_message_cb, session_closed_cb,
legacy_session_error_cb, session_keys_change_cb,
session_expiration_update_cb));
// |mojo_cdm|'s ownership will be passed to the promise. Get a raw pointer
// here in order to call Initialize().
MojoCdm* mojo_cdm_ptr = mojo_cdm.get();
scoped_ptr<CdmInitializedPromise> promise(
new CdmInitializedPromise(cdm_created_cb, mojo_cdm.Pass()));
mojo_cdm_ptr->InitializeCdm(key_system, security_origin, cdm_config,
promise.Pass());
}
MojoCdm::MojoCdm(interfaces::ContentDecryptionModulePtr remote_cdm,
const SessionMessageCB& session_message_cb,
const SessionClosedCB& session_closed_cb,
const LegacySessionErrorCB& legacy_session_error_cb,
const SessionKeysChangeCB& session_keys_change_cb,
const SessionExpirationUpdateCB& session_expiration_update_cb)
: remote_cdm_(remote_cdm.Pass()),
binding_(this),
cdm_id_(CdmContext::kInvalidCdmId),
session_message_cb_(session_message_cb),
session_closed_cb_(session_closed_cb),
legacy_session_error_cb_(legacy_session_error_cb),
session_keys_change_cb_(session_keys_change_cb),
session_expiration_update_cb_(session_expiration_update_cb),
weak_factory_(this) {
DVLOG(1) << __FUNCTION__;
DCHECK(!session_message_cb_.is_null());
DCHECK(!session_closed_cb_.is_null());
DCHECK(!legacy_session_error_cb_.is_null());
DCHECK(!session_keys_change_cb_.is_null());
DCHECK(!session_expiration_update_cb_.is_null());
interfaces::ContentDecryptionModuleClientPtr client_ptr;
binding_.Bind(GetProxy(&client_ptr));
remote_cdm_->SetClient(client_ptr.Pass());
}
MojoCdm::~MojoCdm() {
DVLOG(1) << __FUNCTION__;
}
void MojoCdm::InitializeCdm(const std::string& key_system,
const GURL& security_origin,
const media::CdmConfig& cdm_config,
scoped_ptr<CdmInitializedPromise> promise) {
DVLOG(1) << __FUNCTION__ << ": " << key_system;
remote_cdm_->Initialize(
key_system, security_origin.spec(),
interfaces::CdmConfig::From(cdm_config),
base::Bind(&MojoCdm::OnCdmInitialized, weak_factory_.GetWeakPtr(),
base::Passed(&promise)));
}
void MojoCdm::SetServerCertificate(const std::vector<uint8_t>& certificate,
scoped_ptr<SimpleCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->SetServerCertificate(
mojo::Array<uint8_t>::From(certificate),
base::Bind(&MojoCdm::OnPromiseResult<>, weak_factory_.GetWeakPtr(),
base::Passed(&promise)));
}
void MojoCdm::CreateSessionAndGenerateRequest(
SessionType session_type,
EmeInitDataType init_data_type,
const std::vector<uint8_t>& init_data,
scoped_ptr<NewSessionCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->CreateSessionAndGenerateRequest(
static_cast<interfaces::ContentDecryptionModule::SessionType>(
session_type),
static_cast<interfaces::ContentDecryptionModule::InitDataType>(
init_data_type),
mojo::Array<uint8_t>::From(init_data),
base::Bind(&MojoCdm::OnPromiseResult<std::string>,
weak_factory_.GetWeakPtr(), base::Passed(&promise)));
}
void MojoCdm::LoadSession(SessionType session_type,
const std::string& session_id,
scoped_ptr<NewSessionCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->LoadSession(
static_cast<interfaces::ContentDecryptionModule::SessionType>(
session_type),
session_id,
base::Bind(&MojoCdm::OnPromiseResult<std::string>,
weak_factory_.GetWeakPtr(), base::Passed(&promise)));
}
void MojoCdm::UpdateSession(const std::string& session_id,
const std::vector<uint8_t>& response,
scoped_ptr<SimpleCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->UpdateSession(
session_id, mojo::Array<uint8_t>::From(response),
base::Bind(&MojoCdm::OnPromiseResult<>, weak_factory_.GetWeakPtr(),
base::Passed(&promise)));
}
void MojoCdm::CloseSession(const std::string& session_id,
scoped_ptr<SimpleCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->CloseSession(session_id, base::Bind(&MojoCdm::OnPromiseResult<>,
weak_factory_.GetWeakPtr(),
base::Passed(&promise)));
}
void MojoCdm::RemoveSession(const std::string& session_id,
scoped_ptr<SimpleCdmPromise> promise) {
DVLOG(2) << __FUNCTION__;
remote_cdm_->RemoveSession(session_id, base::Bind(&MojoCdm::OnPromiseResult<>,
weak_factory_.GetWeakPtr(),
base::Passed(&promise)));
}
CdmContext* MojoCdm::GetCdmContext() {
DVLOG(2) << __FUNCTION__;
return this;
}
media::Decryptor* MojoCdm::GetDecryptor() {
return nullptr;
}
int MojoCdm::GetCdmId() const {
DCHECK_NE(CdmContext::kInvalidCdmId, cdm_id_);
return cdm_id_;
}
void MojoCdm::OnSessionMessage(const mojo::String& session_id,
interfaces::CdmMessageType message_type,
mojo::Array<uint8_t> message,
const mojo::String& legacy_destination_url) {
DVLOG(2) << __FUNCTION__;
GURL verified_gurl = GURL(legacy_destination_url);
if (!verified_gurl.is_valid() && !verified_gurl.is_empty()) {
DLOG(WARNING) << "SessionMessage destination_url is invalid : "
<< verified_gurl.possibly_invalid_spec();
verified_gurl = GURL::EmptyGURL(); // Replace invalid destination_url.
}
session_message_cb_.Run(session_id,
static_cast<MediaKeys::MessageType>(message_type),
message.storage(), verified_gurl);
}
void MojoCdm::OnSessionClosed(const mojo::String& session_id) {
DVLOG(2) << __FUNCTION__;
session_closed_cb_.Run(session_id);
}
void MojoCdm::OnLegacySessionError(const mojo::String& session_id,
interfaces::CdmException exception,
uint32_t system_code,
const mojo::String& error_message) {
DVLOG(2) << __FUNCTION__;
legacy_session_error_cb_.Run(session_id,
static_cast<MediaKeys::Exception>(exception),
system_code, error_message);
}
void MojoCdm::OnSessionKeysChange(
const mojo::String& session_id,
bool has_additional_usable_key,
mojo::Array<interfaces::CdmKeyInformationPtr> keys_info) {
DVLOG(2) << __FUNCTION__;
media::CdmKeysInfo key_data;
key_data.reserve(keys_info.size());
for (size_t i = 0; i < keys_info.size(); ++i) {
key_data.push_back(
keys_info[i].To<scoped_ptr<media::CdmKeyInformation>>().release());
}
session_keys_change_cb_.Run(session_id, has_additional_usable_key,
key_data.Pass());
}
void MojoCdm::OnSessionExpirationUpdate(const mojo::String& session_id,
double new_expiry_time_sec) {
DVLOG(2) << __FUNCTION__;
session_expiration_update_cb_.Run(
session_id, base::Time::FromDoubleT(new_expiry_time_sec));
}
void MojoCdm::OnCdmInitialized(scoped_ptr<CdmInitializedPromise> promise,
interfaces::CdmPromiseResultPtr result,
int cdm_id) {
DVLOG(2) << __FUNCTION__ << " cdm_id: " << cdm_id;
if (!result->success) {
RejectPromise(promise.Pass(), result.Pass());
return;
}
DCHECK_NE(CdmContext::kInvalidCdmId, cdm_id);
cdm_id_ = cdm_id;
promise->resolve();
}
} // namespace media
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