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Cas Client repo update-2.

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-Parse EMM in Cas plugin
-Entitlement key rotation support
-Multi_content_license support
This commit is contained in:
huihli
2021-06-28 11:34:11 -07:00
parent 4e4f8c468f
commit 065ca035c9
42 changed files with 1748 additions and 234 deletions
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26
plugin/src/widevine_cas_session.cpp
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@@ -30,6 +30,7 @@ WidevineCasSession::~WidevineCasSession() {
CasStatus WidevineCasSession::initialize(
std::shared_ptr<CryptoSession> crypto_session,
CasEventListener* event_listener, uint32_t* session_id) {
std::unique_lock<std::mutex> lock(crypto_lock_);
if (crypto_session == nullptr || session_id == nullptr) {
LOGE("WidevineCasSession::initialize: missing input parameters");
return CasStatus(CasStatusCode::kInvalidParameter,
@@ -42,9 +43,21 @@ CasStatus WidevineCasSession::initialize(
return CasStatusCode::kNoError;
}
CasStatus WidevineCasSession::resetCryptoSession(
std::shared_ptr<CryptoSession> crypto_session) {
std::unique_lock<std::mutex> lock(crypto_lock_);
if (crypto_session == nullptr) {
return CasStatus(CasStatusCode::kInvalidParameter,
"Can not reset crypto session to null");
}
crypto_session_ = std::move(crypto_session);
return crypto_session_->ReassociateEntitledKeySession(key_session_id_);
}
CasStatus WidevineCasSession::processEcm(const CasEcm& ecm,
uint8_t parental_control_age,
const std::string& license_group_id) {
std::unique_lock<std::mutex> lock(crypto_lock_);
if (ecm != current_ecm_) {
LOGD("WidevineCasSession::processEcm: received new ecm");
std::unique_ptr<EcmParser> ecm_parser = getEcmParser(ecm);
@@ -67,7 +80,7 @@ CasStatus WidevineCasSession::processEcm(const CasEcm& ecm,
std::vector<uint8_t> message;
if (!ecm_parser->fingerprinting().control().empty()) {
message.push_back(static_cast<uint8_t>(
SessionFingerprintingFieldType::FINGERPRINTING_CONTROL));
SessionFingerprintingFieldType::SESSION_FINGERPRINTING_CONTROL));
const std::string control = ecm_parser->fingerprinting().control();
message.push_back((control.size() >> 8) & 0xff);
message.push_back(control.size() & 0xff);
@@ -86,8 +99,9 @@ CasStatus WidevineCasSession::processEcm(const CasEcm& ecm,
message.clear();
for (int i = 0; i < ecm_parser->service_blocking().device_groups_size();
++i) {
message.push_back(static_cast<uint8_t>(
SessionServiceBlockingFieldType::SERVICE_BLOCKING_DEVICE_GROUP));
message.push_back(
static_cast<uint8_t>(SessionServiceBlockingFieldType::
SESSION_SERVICE_BLOCKING_DEVICE_GROUP));
const std::string device_group =
ecm_parser->service_blocking().device_groups(i);
message.push_back((device_group.size() >> 8) & 0xff);
@@ -104,10 +118,12 @@ CasStatus WidevineCasSession::processEcm(const CasEcm& ecm,
}
}
entitlement_period_index_ = ecm_parser->entitlement_period_index();
entitlement_rotation_window_left_ =
ecm_parser->entitlement_rotation_window_left();
bool load_even = false;
bool load_odd = false;
std::unique_lock<std::mutex> lock(lock_);
KeySlotId keyslot_id = KeySlotId::kEvenKeySlot;
// Temporary key slots to only have successfully loaded keys in |keys_|.
CasKeySlotData keys;