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Add support for Resource Rating Tiers

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[ Merge of http://go/wvgerrit/67324 ]

This introduces the ability to query resource rating tier information
through the plugin and CDM. Resource rating tiers are also
sent in the client identification portion of the license request.

Bug: 117112392
Test: WV unit/integration tests
Change-Id: I68ac6dfc4362f61150af822bd526e346b5cc4bf7
This commit is contained in:
Rahul Frias
2018-11-30 13:07:25 -08:00
parent e01b559bb7
commit afd11c0da5
10 changed files with 222 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

129
libwvdrmengine/cdm/core/test/license_unittest.cpp
View File

@@ -147,6 +147,7 @@ class MockCryptoSession : public TestCryptoSession {
MOCK_METHOD3(PrepareRequest, bool(const std::string&, bool, std::string*));
MOCK_METHOD1(LoadEntitledContentKeys,
CdmResponseType(const std::vector<CryptoKey>& key_array));
MOCK_METHOD1(GetResourceRatingTier, bool(uint32_t*));
};
class MockPolicyEngine : public PolicyEngine {
@@ -319,7 +320,8 @@ TEST_F(CdmLicenseTest, PrepareKeyRequestValidation) {
SetArgPointee<1>(max_hdcp_version), Return(true)));
EXPECT_CALL(*crypto_session_, GetSupportedCertificateTypes(NotNull()));
EXPECT_CALL(*crypto_session_, GetApiVersion(NotNull()))
.WillOnce(
.Times(2)
.WillRepeatedly(
DoAll(SetArgPointee<0>(crypto_session_api_version), Return(true)));
EXPECT_CALL(*clock_, GetCurrentTime()).WillOnce(Return(kLicenseStartTime));
EXPECT_CALL(*crypto_session_, GenerateNonce(NotNull()))
@@ -393,6 +395,131 @@ TEST_F(CdmLicenseTest, PrepareKeyRequestValidation) {
ClientIdentification_ClientCapabilities_CertificateKeyType_RSA_2048,
video_widevine::
ClientIdentification_ClientCapabilities_CertificateKeyType_RSA_3072));
EXPECT_FALSE(client_capabilities.has_resource_rating_tier());
// Verify Content Identification
const LicenseRequest_ContentIdentification& content_id =
license_request.content_id();
ASSERT_TRUE(content_id.has_cenc_id_deprecated());
EXPECT_FALSE(content_id.has_webm_id_deprecated());
EXPECT_FALSE(content_id.has_existing_license());
const ::video_widevine::LicenseRequest_ContentIdentification_CencDeprecated&
cenc_id = content_id.cenc_id_deprecated();
EXPECT_TRUE(std::equal(cenc_id.pssh(0).begin(), cenc_id.pssh(0).end(),
kCencPssh.begin()));
EXPECT_EQ(video_widevine::STREAMING, cenc_id.license_type());
EXPECT_TRUE(std::equal(cenc_id.request_id().begin(),
cenc_id.request_id().end(), kCryptoRequestId.begin()));
// Verify other license request fields
EXPECT_EQ(::video_widevine::LicenseRequest_RequestType_NEW,
license_request.type());
EXPECT_EQ(kLicenseStartTime, license_request.request_time());
EXPECT_EQ(video_widevine::VERSION_2_1,
license_request.protocol_version());
EXPECT_EQ(kNonce, license_request.key_control_nonce());
}
TEST_F(CdmLicenseTest, PrepareKeyRequestValidationV15) {
bool usage_information_support = true;
CryptoSession::HdcpCapability current_hdcp_version = HDCP_NO_DIGITAL_OUTPUT;
CryptoSession::HdcpCapability max_hdcp_version = HDCP_V2_1;
uint32_t crypto_session_api_version = 15;
uint32_t resource_rating_tier = RESOURCE_RATING_TIER_LOW;
EXPECT_CALL(*crypto_session_, IsOpen())
.WillOnce(Return(true));
EXPECT_CALL(*crypto_session_, GenerateRequestId(NotNull()))
.WillOnce(DoAll(SetArgPointee<0>(kCryptoRequestId), Return(true)));
EXPECT_CALL(*crypto_session_, UsageInformationSupport(NotNull()))
.WillOnce(
DoAll(SetArgPointee<0>(usage_information_support), Return(true)));
EXPECT_CALL(*crypto_session_, GetHdcpCapabilities(NotNull(), NotNull()))
.WillOnce(DoAll(SetArgPointee<0>(current_hdcp_version),
SetArgPointee<1>(max_hdcp_version), Return(true)));
EXPECT_CALL(*crypto_session_, GetSupportedCertificateTypes(NotNull()));
EXPECT_CALL(*crypto_session_, GetApiVersion(NotNull()))
.Times(2)
.WillRepeatedly(
DoAll(SetArgPointee<0>(crypto_session_api_version), Return(true)));
EXPECT_CALL(*crypto_session_, GetResourceRatingTier(NotNull()))
.WillOnce(
DoAll(SetArgPointee<0>(resource_rating_tier), Return(true)));
EXPECT_CALL(*clock_, GetCurrentTime()).WillOnce(Return(kLicenseStartTime));
EXPECT_CALL(*crypto_session_, GenerateNonce(NotNull()))
.WillOnce(DoAll(SetArgPointee<0>(kNonce), Return(true)));
EXPECT_CALL(*crypto_session_, PrepareRequest(_, Eq(false), NotNull()))
.WillOnce(
DoAll(SetArgPointee<2>(kLicenseRequestSignature), Return(true)));
CreateCdmLicense();
EXPECT_TRUE(cdm_license_->Init(
kToken, kClientTokenDrmCert, kEmptyString, true,
kDefaultServiceCertificate, crypto_session_, policy_engine_));
CdmAppParameterMap app_parameters;
CdmKeyMessage signed_request;
std::string server_url;
EXPECT_EQ(cdm_license_->PrepareKeyRequest(
*init_data_, kLicenseTypeStreaming, app_parameters,
&signed_request, &server_url), KEY_MESSAGE);
EXPECT_TRUE(!signed_request.empty());
// Verify signed message
SignedMessage signed_message;
EXPECT_TRUE(signed_message.ParseFromString(signed_request));
EXPECT_EQ(SignedMessage::LICENSE_REQUEST, signed_message.type());
EXPECT_TRUE(signed_message.has_signature());
EXPECT_TRUE(std::equal(signed_message.signature().begin(),
signed_message.signature().end(),
kLicenseRequestSignature.begin()));
EXPECT_TRUE(!signed_message.msg().empty());
// Verify license request
LicenseRequest license_request;
EXPECT_TRUE(license_request.ParseFromString(signed_message.msg()));
// Verify Client Identification
const ClientIdentification& client_id = license_request.client_id();
EXPECT_EQ(video_widevine::
ClientIdentification_TokenType_DRM_DEVICE_CERTIFICATE,
client_id.type());
EXPECT_TRUE(std::equal(client_id.token().begin(), client_id.token().end(),
kToken.begin()));
EXPECT_LT(0, client_id.client_info_size());
for (int i = 0; i < client_id.client_info_size(); ++i) {
const ::video_widevine::ClientIdentification_NameValue&
name_value = client_id.client_info(i);
EXPECT_TRUE(!name_value.name().empty());
EXPECT_TRUE(!name_value.value().empty());
}
EXPECT_FALSE(client_id.has_provider_client_token());
EXPECT_FALSE(client_id.has_license_counter());
const ::video_widevine::ClientIdentification_ClientCapabilities&
client_capabilities = client_id.client_capabilities();
EXPECT_FALSE(client_capabilities.has_client_token());
EXPECT_TRUE(client_capabilities.has_session_token());
EXPECT_FALSE(client_capabilities.video_resolution_constraints());
EXPECT_EQ(video_widevine::
ClientIdentification_ClientCapabilities_HdcpVersion_HDCP_V2_1,
client_capabilities.max_hdcp_version());
EXPECT_EQ(crypto_session_api_version,
client_capabilities.oem_crypto_api_version());
EXPECT_THAT(
client_capabilities.supported_certificate_key_type(),
UnorderedElementsAre(
video_widevine::
ClientIdentification_ClientCapabilities_CertificateKeyType_RSA_2048,
video_widevine::
ClientIdentification_ClientCapabilities_CertificateKeyType_RSA_3072));
EXPECT_EQ(resource_rating_tier,
client_capabilities.resource_rating_tier());
// Verify Content Identification
const LicenseRequest_ContentIdentification& content_id =