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Test CDM sessions prevent multiple usage entries.

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[ Merge of http://go/wvgerrit/102068 ]

CDM sessions should not be able to load multiple usage entries.
OEMCrypto already prevents multiple entries from being loaded by the
same OEMCrypto session; however, restoring a key typically creates a
new OEMCrypto session, which should not be allowed twice within the
same CDM session.

This test verifies that CDM returns an error if restore key is called
multiple times within the same session.

Bug: 136143733
Test: Android integration test
Change-Id: I594c91250217fd958837328162f909bc931d373f
This commit is contained in:
Alex Dale
2020-06-18 21:25:21 -07:00
parent 6b8d0e034d
commit 0aaf1df125
1 changed files with 24 additions and 0 deletions
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24
libwvdrmengine/cdm/test/request_license_test.cpp
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@@ -2672,6 +2672,30 @@ TEST_F(WvCdmRequestLicenseTest, RestoreOfflineKeyTest) {
decryptor_->CloseSession(session_id_);
}
TEST_F(WvCdmRequestLicenseTest, DisallowMultipleRestoreOfflineKeyTest) {
Unprovision();
Provision();
std::string key_id;
std::string client_auth;
GetOfflineConfiguration(&key_id, &client_auth);
decryptor_->OpenSession(config_.key_system(), nullptr, kDefaultCdmIdentifier,
nullptr, &session_id_);
GenerateKeyRequest(key_id, kLicenseTypeOffline);
VerifyKeyRequestResponse(config_.license_server(), client_auth);
CdmKeySetId key_set_id = key_set_id_;
decryptor_->CloseSession(session_id_);
decryptor_->OpenSession(config_.key_system(), nullptr, kDefaultCdmIdentifier,
nullptr, &session_id_);
EXPECT_EQ(wvcdm::KEY_ADDED, decryptor_->RestoreKey(session_id_, key_set_id));
// Restoring a key twice should result in a failure.
EXPECT_NE(wvcdm::KEY_ADDED, decryptor_->RestoreKey(session_id_, key_set_id));
decryptor_->CloseSession(session_id_);
}
TEST_F(WvCdmRequestLicenseTest, ReleaseOfflineKeyTest) {
Unprovision();
Provision();