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Corrections for limited duration licenses

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[ Merge of http://go/wvgerrit/74627 ]

Limited duration licenses (where license duration is unlimited and
playback window is set to a small value) did not work correctly when
the initial decrypt call occured before the license was received.

Bug: 109653883
Test: WV unit/integration tests
Change-Id: I0738e97db525b239455e2ac93ab0bedd6611b311
This commit is contained in:
Rahul Frias
2019-03-14 17:36:38 -07:00
parent a5bc8be7a0
commit 43efc6d84a
5 changed files with 132 additions and 7 deletions
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34
libwvdrmengine/cdm/core/test/policy_engine_unittest.cpp
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@@ -819,6 +819,40 @@ TEST_F(PolicyEngineTest, PlaybackOk_RentalAndLicense0_WithPlayback) {
EXPECT_FALSE(policy_engine_->CanDecryptContent(kSomeRandomKeyId));
}
TEST_F(PolicyEngineTest,
PlaybackOk_RentalAndLicense0_WithPlaybackBeforeLicense) {
License_Policy* policy = license_.mutable_policy();
policy->clear_license_duration_seconds();
policy->clear_rental_duration_seconds();
// Only |playback_duration_seconds| set.
policy_engine_->BeginDecryption();
EXPECT_CALL(*mock_clock_, GetCurrentTime())
.WillOnce(Return(kLicenseStartTime + 1))
.WillOnce(Return(kPlaybackStartTime))
.WillOnce(Return(kPlaybackStartTime + kPlaybackDuration - 10))
.WillOnce(Return(kPlaybackStartTime + kPlaybackDuration + 10));
ExpectSessionKeysChange(kKeyStatusExpired, false);
ExpectSessionKeysChange(kKeyStatusUsable, true);
EXPECT_CALL(mock_event_listener_, OnExpirationUpdate(_, 0));
EXPECT_CALL(mock_event_listener_,
OnExpirationUpdate(_, kPlaybackStartTime + kPlaybackDuration));
policy_engine_->SetLicense(license_);
policy_engine_->BeginDecryption();
policy_engine_->OnTimerEvent();
EXPECT_TRUE(policy_engine_->CanDecryptContent(kKeyId));
EXPECT_FALSE(policy_engine_->CanDecryptContent(kSomeRandomKeyId));
policy_engine_->OnTimerEvent();
EXPECT_FALSE(policy_engine_->CanDecryptContent(kKeyId));
EXPECT_FALSE(policy_engine_->CanDecryptContent(kSomeRandomKeyId));
}
TEST_F(PolicyEngineTest, PlaybackOk_Durations0) {
License_Policy* policy = license_.mutable_policy();
policy->set_rental_duration_seconds(kDurationUnlimited);