Initial import of Widevine Common Encryption DRM engine
Builds libwvmdrmengine.so, which is loaded by the new MediaDrm APIs to support playback of Widevine/CENC protected content. Change-Id: I6f57dd37083dfd96c402cb9dd137c7d74edc8f1c
This commit is contained in:
Jeff Tinker
372
libwvdrmengine/mediadrm/test/WVDrmPlugin_test.cpp
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372
libwvdrmengine/mediadrm/test/WVDrmPlugin_test.cpp
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//
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// Copyright 2013 Google Inc. All Rights Reserved.
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//
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#include <stdio.h>
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#include <string>
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#include "gtest/gtest.h"
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#include "media/stagefright/foundation/ABase.h"
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#include "media/stagefright/foundation/AString.h"
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#include "MockCDM.h"
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#include "wv_cdm_constants.h"
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#include "WVDrmPlugin.h"
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using namespace android;
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using namespace std;
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using namespace testing;
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using namespace wvcdm;
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using namespace wvdrm;
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class WVDrmPluginTest : public Test {
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protected:
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static const uint32_t kSessionIdSize = 16;
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Vector<uint8_t> sessionId;
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CdmSessionId cdmSessionId;
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virtual void SetUp() {
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uint8_t sessionIdRaw[kSessionIdSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(sessionIdRaw, sizeof(uint8_t), kSessionIdSize, fp);
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fclose(fp);
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sessionId.appendArray(sessionIdRaw, kSessionIdSize);
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cdmSessionId.assign(sessionId.begin(), sessionId.end());
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// Set default CdmResponseType value for gMock
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DefaultValue<CdmResponseType>::Set(wvcdm::NO_ERROR);
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}
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};
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TEST_F(WVDrmPluginTest, OpensSessions) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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uint8_t sessionIdRaw[kSessionIdSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(sessionIdRaw, sizeof(uint8_t), kSessionIdSize, fp);
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fclose(fp);
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CdmSessionId cdmSessionId(sessionIdRaw, sessionIdRaw + kSessionIdSize);
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EXPECT_CALL(cdm, OpenSession(StrEq("com.widevine"), _))
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.WillOnce(DoAll(SetArgPointee<1>(cdmSessionId),
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Return(wvcdm::NO_ERROR)));
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status_t res = plugin.openSession(sessionId);
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ASSERT_EQ(OK, res);
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EXPECT_THAT(sessionId, ElementsAreArray(sessionIdRaw, kSessionIdSize));
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}
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TEST_F(WVDrmPluginTest, ClosesSessions) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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EXPECT_CALL(cdm, CloseSession(cdmSessionId))
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.Times(1);
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status_t res = plugin.closeSession(sessionId);
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ASSERT_EQ(OK, res);
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}
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TEST_F(WVDrmPluginTest, GeneratesKeyRequests) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kInitDataSize = 128;
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uint8_t initDataRaw[kInitDataSize];
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static const uint32_t kRequestSize = 256;
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uint8_t requestRaw[kRequestSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(initDataRaw, sizeof(uint8_t), kInitDataSize, fp);
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fread(requestRaw, sizeof(uint8_t), kRequestSize, fp);
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fclose(fp);
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Vector<uint8_t> initData;
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initData.appendArray(initDataRaw, kInitDataSize);
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CdmKeyMessage cdmRequest(requestRaw, requestRaw + kRequestSize);
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Vector<uint8_t> request;
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KeyedVector<String8, String8> parameters;
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CdmNameValueMap cdmParameters;
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parameters.add(String8("paddingScheme"), String8("PKCS7"));
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cdmParameters["paddingScheme"] = "PKCS7";
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parameters.add(String8("favoriteParticle"), String8("tetraquark"));
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cdmParameters["favoriteParticle"] = "tetraquark";
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parameters.add(String8("answer"), String8("42"));
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cdmParameters["answer"] = "42";
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String8 defaultUrl;
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{
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InSequence calls;
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EXPECT_CALL(cdm, GenerateKeyRequest(cdmSessionId,
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ElementsAreArray(initDataRaw,
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kInitDataSize),
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kLicenseTypeOffline, cdmParameters, _))
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.WillOnce(DoAll(SetArgPointee<4>(cdmRequest),
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Return(wvcdm::NO_ERROR)));
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EXPECT_CALL(cdm, GenerateKeyRequest(cdmSessionId,
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ElementsAreArray(initDataRaw,
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kInitDataSize),
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kLicenseTypeStreaming, cdmParameters,
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_))
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.WillOnce(DoAll(SetArgPointee<4>(cdmRequest),
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Return(wvcdm::NO_ERROR)));
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}
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status_t res = plugin.getLicenseRequest(sessionId, initData,
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String8("video/h264"),
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DrmPlugin::kLicenseType_Offline,
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parameters, request, defaultUrl);
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ASSERT_EQ(OK, res);
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EXPECT_THAT(request, ElementsAreArray(requestRaw, kRequestSize));
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EXPECT_TRUE(defaultUrl.isEmpty());
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res = plugin.getLicenseRequest(sessionId, initData, String8("video/h264"),
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DrmPlugin::kLicenseType_Streaming, parameters,
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request, defaultUrl);
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ASSERT_EQ(OK, res);
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EXPECT_THAT(request, ElementsAreArray(requestRaw, kRequestSize));
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EXPECT_TRUE(defaultUrl.isEmpty());
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}
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TEST_F(WVDrmPluginTest, AddsKeys) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kResponseSize = 256;
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uint8_t responseRaw[kResponseSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(responseRaw, sizeof(uint8_t), kResponseSize, fp);
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fclose(fp);
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Vector<uint8_t> response;
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response.appendArray(responseRaw, kResponseSize);
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EXPECT_CALL(cdm, AddKey(cdmSessionId, ElementsAreArray(responseRaw,
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kResponseSize)))
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.Times(1);
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status_t res = plugin.provideLicenseResponse(sessionId, response);
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ASSERT_EQ(OK, res);
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}
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TEST_F(WVDrmPluginTest, CancelsKeyRequests) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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EXPECT_CALL(cdm, CancelKeyRequest(cdmSessionId))
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.Times(1);
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status_t res = plugin.removeLicense(sessionId);
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ASSERT_EQ(OK, res);
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}
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TEST_F(WVDrmPluginTest, QueriesKeyStatus) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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KeyedVector<String8, String8> expectedLicenseStatus;
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CdmNameValueMap cdmLicenseStatus;
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expectedLicenseStatus.add(String8("areTheKeysAllRight"), String8("yes"));
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cdmLicenseStatus["areTheKeysAllRight"] = "yes";
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expectedLicenseStatus.add(String8("isGMockAwesome"), String8("ohhhhhhYeah"));
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cdmLicenseStatus["isGMockAwesome"] = "ohhhhhhYeah";
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expectedLicenseStatus.add(String8("answer"), String8("42"));
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cdmLicenseStatus["answer"] = "42";
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EXPECT_CALL(cdm, QueryKeyStatus(cdmSessionId, _))
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.WillOnce(DoAll(SetArgPointee<1>(cdmLicenseStatus),
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Return(wvcdm::NO_ERROR)));
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KeyedVector<String8, String8> licenseStatus;
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status_t res = plugin.queryLicenseStatus(sessionId, licenseStatus);
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ASSERT_EQ(OK, res);
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ASSERT_EQ(expectedLicenseStatus.size(), licenseStatus.size());
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for (size_t i = 0; i < expectedLicenseStatus.size(); ++i) {
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const String8& key = expectedLicenseStatus.keyAt(i);
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EXPECT_NE(android::NAME_NOT_FOUND, licenseStatus.indexOfKey(key));
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EXPECT_EQ(expectedLicenseStatus.valueFor(key), licenseStatus.valueFor(key));
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}
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}
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TEST_F(WVDrmPluginTest, GetsProvisioningRequests) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kRequestSize = 256;
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uint8_t requestRaw[kRequestSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(requestRaw, sizeof(uint8_t), kRequestSize, fp);
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fclose(fp);
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CdmProvisioningRequest cdmRequest(requestRaw, requestRaw + kRequestSize);
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static const char* kDefaultUrl = "http://google.com/";
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EXPECT_CALL(cdm, GetProvisioningRequest(_, _))
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.WillOnce(DoAll(SetArgPointee<0>(cdmRequest),
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SetArgPointee<1>(kDefaultUrl),
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Return(wvcdm::NO_ERROR)));
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Vector<uint8_t> request;
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String8 defaultUrl;
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status_t res = plugin.getProvisionRequest(request, defaultUrl);
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ASSERT_EQ(OK, res);
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EXPECT_THAT(request, ElementsAreArray(requestRaw, kRequestSize));
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EXPECT_EQ(String8(kDefaultUrl), defaultUrl);
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}
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TEST_F(WVDrmPluginTest, HandlesProvisioningResponses) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kResponseSize = 512;
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uint8_t responseRaw[kResponseSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(responseRaw, sizeof(uint8_t), kResponseSize, fp);
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fclose(fp);
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Vector<uint8_t> response;
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response.appendArray(responseRaw, kResponseSize);
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EXPECT_CALL(cdm, HandleProvisioningResponse(ElementsAreArray(responseRaw,
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kResponseSize)))
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.Times(1);
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status_t res = plugin.provideProvisionResponse(response);
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ASSERT_EQ(OK, res);
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}
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TEST_F(WVDrmPluginTest, GetsSecureStops) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kStopSize = 53;
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static const uint32_t kStopCount = 7;
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uint8_t stopsRaw[kStopCount][kStopSize];
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FILE* fp = fopen("/dev/urandom", "r");
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for (uint32_t i = 0; i < kStopCount; ++i) {
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fread(stopsRaw[i], sizeof(uint8_t), kStopSize, fp);
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}
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fclose(fp);
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CdmSecureStops cdmStops;
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for (uint32_t i = 0; i < kStopCount; ++i) {
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cdmStops.push_back(string(stopsRaw[i], stopsRaw[i] + kStopSize));
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}
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EXPECT_CALL(cdm, GetSecureStops(_))
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.WillOnce(DoAll(SetArgPointee<0>(cdmStops),
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Return(wvcdm::NO_ERROR)));
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List<Vector<uint8_t> > stops;
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status_t res = plugin.getSecureStops(stops);
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ASSERT_EQ(OK, res);
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List<Vector<uint8_t> >::iterator iter = stops.begin();
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uint32_t rawIter = 0;
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while (rawIter < kStopCount && iter != stops.end()) {
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EXPECT_THAT(*iter, ElementsAreArray(stopsRaw[rawIter], kStopSize));
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++iter;
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++rawIter;
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}
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// Assert that both lists are the same length
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EXPECT_EQ(kStopCount, rawIter);
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EXPECT_EQ(stops.end(), iter);
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}
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TEST_F(WVDrmPluginTest, ReleasesSecureStops) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kMessageSize = 128;
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uint8_t messageRaw[kMessageSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(messageRaw, sizeof(uint8_t), kMessageSize, fp);
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fclose(fp);
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Vector<uint8_t> message;
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message.appendArray(messageRaw, kMessageSize);
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EXPECT_CALL(cdm, ReleaseSecureStops(ElementsAreArray(messageRaw,
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kMessageSize)))
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.Times(1);
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status_t res = plugin.releaseSecureStops(message);
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ASSERT_EQ(OK, res);
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}
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TEST_F(WVDrmPluginTest, DoesNotGetStringProperties) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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String8 result;
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status_t res = plugin.getPropertyString(String8("property"), result);
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ASSERT_NE(OK, res);
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EXPECT_TRUE(result.isEmpty());
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}
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TEST_F(WVDrmPluginTest, DoesNotGetByteProperties) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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Vector<uint8_t> result;
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status_t res = plugin.getPropertyByteArray(String8("property"), result);
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ASSERT_NE(OK, res);
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EXPECT_TRUE(result.isEmpty());
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}
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TEST_F(WVDrmPluginTest, DoesNotSetStringProperties) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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status_t res = plugin.setPropertyString(String8("property"),
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String8("ignored"));
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ASSERT_NE(OK, res);
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}
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TEST_F(WVDrmPluginTest, DoesNotSetByteProperties) {
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MockCDM cdm;
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WVDrmPlugin plugin(&cdm);
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static const uint32_t kValueSize = 32;
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uint8_t valueRaw[kValueSize];
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FILE* fp = fopen("/dev/urandom", "r");
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fread(valueRaw, sizeof(uint8_t), kValueSize, fp);
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fclose(fp);
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Vector<uint8_t> value;
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value.appendArray(valueRaw, kValueSize);
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status_t res = plugin.setPropertyByteArray(String8("property"), value);
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ASSERT_NE(OK, res);
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}
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