widevine-partner/android
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "Only one function for reporting usage support." into sc-dev

Browse Source
This commit is contained in:
Alex Dale
2021-04-16 19:47:10 +00:00
committed by Android (Google) Code Review
parent d59b009495 ca335b2c11
commit d4b24490f2
10 changed files with 149 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
libwvdrmengine/cdm/core/src/cdm_session.cpp
View File

@@ -82,7 +82,6 @@ CdmSession::CdmSession(FileSystem* file_system,
has_decrypted_since_last_report_(false),
is_initial_usage_update_(true),
is_usage_update_needed_(false),
usage_support_type_(kNonSecureUsageSupport),
usage_table_header_(nullptr),
usage_entry_number_(0),
mock_license_parser_in_use_(false),
@@ -94,9 +93,7 @@ CdmSession::CdmSession(FileSystem* file_system,
}
CdmSession::~CdmSession() {
if (usage_support_type_ == kUsageEntrySupport &&
has_provider_session_token() && usage_table_header_ != nullptr &&
!is_release_) {
if (has_provider_session_token() && supports_usage_info() && !is_release_) {
UpdateUsageEntryInformation();
}
@@ -162,11 +159,9 @@ CdmResponseType CdmSession::Init(CdmClientPropertySet* cdm_client_property_set,
return SESSION_FILE_HANDLE_INIT_ERROR;
}
if (crypto_session_->GetUsageSupportType(&usage_support_type_) == NO_ERROR) {
if (usage_support_type_ == kUsageEntrySupport)
usage_table_header_ = crypto_session_->GetUsageTableHeader();
} else {
usage_support_type_ = kNonSecureUsageSupport;
bool has_support = false;
if (crypto_session_->HasUsageInfoSupport(&has_support) && has_support) {
usage_table_header_ = crypto_session_->GetUsageTableHeader();
}
if (cdm_client_property_set != nullptr)
@@ -225,9 +220,7 @@ CdmResponseType CdmSession::Init(CdmClientPropertySet* cdm_client_property_set,
CdmResponseType CdmSession::ReleaseOfflineResources() {
// |license_parser_| and |policy_engine_| are reset in Init. No need to
// deallocate here.
if (usage_support_type_ == kUsageEntrySupport &&
has_provider_session_token() && usage_table_header_ != nullptr &&
!is_release_) {
if (has_provider_session_token() && supports_usage_info() && !is_release_) {
UpdateUsageEntryInformation();
}
@@ -322,10 +315,9 @@ CdmResponseType CdmSession::RestoreOfflineSession(const CdmKeySetId& key_set_id,
std::string provider_session_token;
bool sign_fake_request = false; // TODO(b/169483174): remove this variable.
if (usage_support_type_ == kUsageEntrySupport) {
if (supports_usage_info()) {
if (!license_parser_->ExtractProviderSessionToken(
key_response_, &provider_session_token) ||
usage_table_header_ == nullptr) {
key_response_, &provider_session_token)) {
provider_session_token.clear();
sign_fake_request = true; // TODO(b/169483174): remove this line.
} else if (!VerifyOfflineUsageEntry()) {
@@ -381,8 +373,7 @@ CdmResponseType CdmSession::RestoreOfflineSession(const CdmKeySetId& key_set_id,
}
}
if (usage_support_type_ == kUsageEntrySupport &&
!provider_session_token.empty() && usage_table_header_ != nullptr) {
if (!provider_session_token.empty() && supports_usage_info()) {
CdmResponseType sts = usage_table_header_->UpdateEntry(
usage_entry_number_, crypto_session_.get(), &usage_entry_);
if (sts != NO_ERROR) {
@@ -421,8 +412,7 @@ CdmResponseType CdmSession::RestoreUsageSession(
if (status != NO_ERROR) return status;
CdmResponseType sts = NO_ERROR;
if (usage_support_type_ == kUsageEntrySupport &&
usage_table_header_ != nullptr) {
if (supports_usage_info()) {
sts = usage_table_header_->LoadEntry(crypto_session_.get(), usage_entry_,
usage_entry_number_);
crypto_metrics_->usage_table_header_load_entry_.Increment(sts);
@@ -440,8 +430,7 @@ CdmResponseType CdmSession::RestoreUsageSession(
return RELEASE_LICENSE_ERROR_2;
}
if (usage_support_type_ == kUsageEntrySupport &&
usage_table_header_ != nullptr) {
if (supports_usage_info()) {
sts = usage_table_header_->UpdateEntry(
usage_entry_number_, crypto_session_.get(), &usage_entry_);
if (sts != NO_ERROR) {
@@ -583,8 +572,7 @@ CdmResponseType CdmSession::AddKeyInternal(const CdmKeyResponse& key_response) {
// to be created.
CdmResponseType sts;
std::string provider_session_token;
if (usage_support_type_ == kUsageEntrySupport &&
usage_table_header_ != nullptr) {
if (supports_usage_info()) {
if (license_parser_->ExtractProviderSessionToken(
key_response, &provider_session_token) &&
!provider_session_token.empty()) {
@@ -608,8 +596,7 @@ CdmResponseType CdmSession::AddKeyInternal(const CdmKeyResponse& key_response) {
version_info.license_service_version());
// Update or invalidate entry if usage table header+entries are supported
if (usage_support_type_ == kUsageEntrySupport &&
!provider_session_token.empty() && usage_table_header_ != nullptr) {
if (!provider_session_token.empty() && supports_usage_info()) {
if (sts != KEY_ADDED) {
const CdmResponseType invalidate_sts =
usage_table_header_->InvalidateEntry(
@@ -633,9 +620,7 @@ CdmResponseType CdmSession::AddKeyInternal(const CdmKeyResponse& key_response) {
license_parser_->provider_session_token().size());
if ((is_offline_ || has_provider_session_token()) && !is_temporary_) {
if (has_provider_session_token() &&
usage_support_type_ == kUsageEntrySupport &&
usage_table_header_ != nullptr) {
if (has_provider_session_token() && supports_usage_info()) {
usage_table_header_->UpdateEntry(usage_entry_number_,
crypto_session_.get(), &usage_entry_);
}
@@ -835,8 +820,7 @@ CdmResponseType CdmSession::GenerateReleaseRequest(CdmKeyRequest* key_request) {
if (KEY_MESSAGE != status) return status;
if (has_provider_session_token() &&
usage_support_type_ == kUsageEntrySupport) {
if (has_provider_session_token() && supports_usage_info()) {
status = usage_table_header_->UpdateEntry(
usage_entry_number_, crypto_session_.get(), &usage_entry_);
@@ -850,7 +834,7 @@ CdmResponseType CdmSession::GenerateReleaseRequest(CdmKeyRequest* key_request) {
if (!StoreLicense(DeviceFiles::kLicenseStateReleasing, nullptr))
return RELEASE_KEY_REQUEST_ERROR;
} else if (!usage_provider_session_token_.empty()) {
if (usage_support_type_ == kUsageEntrySupport) {
if (supports_usage_info()) {
if (!UpdateUsageInfo()) return RELEASE_USAGE_INFO_FAILED;
}
}
@@ -883,9 +867,8 @@ CdmResponseType CdmSession::DeleteUsageEntry(uint32_t usage_entry_number) {
LOGE("CDM session not initialized");
return NOT_INITIALIZED_ERROR;
}
if (usage_support_type_ != kUsageEntrySupport) {
LOGE("Unexpected usage support type: %d",
static_cast<int>(usage_support_type_));
if (!supports_usage_info()) {
LOGE("Cannot delete entry, usage table not supported");
return INCORRECT_USAGE_SUPPORT_TYPE_1;
}
@@ -900,11 +883,9 @@ CdmResponseType CdmSession::DeleteUsageEntry(uint32_t usage_entry_number) {
if (sts != NO_ERROR) return sts;
usage_table_header_ = nullptr;
if (crypto_session_->GetUsageSupportType(&usage_support_type_) == NO_ERROR) {
if (usage_support_type_ == kUsageEntrySupport)
usage_table_header_ = crypto_session_->GetUsageTableHeader();
} else {
usage_support_type_ = kNonSecureUsageSupport;
bool has_support = false;
if (crypto_session_->HasUsageInfoSupport(&has_support) && has_support) {
usage_table_header_ = crypto_session_->GetUsageTableHeader();
}
if (usage_table_header_ == nullptr) {
@@ -999,11 +980,10 @@ CdmResponseType CdmSession::StoreLicense() {
usage_entry_number_, drm_certificate_, wrapped_private_key_)) {
LOGE("Unable to store usage info");
// Usage info file is corrupt. Delete current usage entry and file.
if (usage_support_type_ == kUsageEntrySupport) {
if (supports_usage_info()) {
DeleteUsageEntry(usage_entry_number_);
} else {
LOGW("Unexpected usage support type: %d",
static_cast<int>(usage_support_type_));
LOGW("Cannot store, usage table not supported");
}
std::vector<std::string> provider_session_tokens;
file_handle_->DeleteAllUsageInfoForApp(
@@ -1055,8 +1035,7 @@ CdmResponseType CdmSession::RemoveKeys() {
CdmResponseType CdmSession::RemoveLicense() {
if (is_offline_ || has_provider_session_token()) {
if (usage_support_type_ == kUsageEntrySupport &&
has_provider_session_token()) {
if (has_provider_session_token() && supports_usage_info()) {
DeleteUsageEntry(usage_entry_number_);
}
DeleteLicenseFile();
@@ -1106,14 +1085,10 @@ void CdmSession::GetApplicationId(std::string* app_id) {
}
CdmResponseType CdmSession::UpdateUsageEntryInformation() {
if (usage_support_type_ != kUsageEntrySupport ||
!has_provider_session_token() || usage_table_header_ == nullptr) {
LOGE(
"Unexpected state: usage support type = %d, PST present = %s, "
"usage table header available = %s",
static_cast<int>(usage_support_type_),
has_provider_session_token() ? "yes" : "no",
usage_table_header_ == nullptr ? "no" : "yes");
if (!has_provider_session_token() || !supports_usage_info()) {
LOGE("Unexpected state: usage_support = %s, PST present = %s, ",
supports_usage_info() ? "true" : "false",
has_provider_session_token() ? "yes" : "no");
return INCORRECT_USAGE_SUPPORT_TYPE_2;
}