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Disallow restoring an offline license multiple times

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[ Merge of http://go/wvgerrit/126063 ]

As a side-effect of fixing b/161865160 CDM checks to flag reloading
of an offline license were removed. This left it to the OEMCrypto
which varied by device implementation. Checks are being reintroduced
to the CDM and will help MediaDrm return the expected error
ERROR_LICENSE_STATE.

In addition restoring an offline liense to a session where a license
is already loaded will be rejected.

Bug: 184608310
Bug: 182208685
Test: WV unit/integration tests
      MediaDrmTest.testMultipleLoadKeys
Change-Id: Id8ee069d22819f7823aa6af11a41f35f0a04ce0a
This commit is contained in:
Rahul Frias
2021-05-26 01:40:41 -07:00
parent 20833734e1
commit 999fbeb666
5 changed files with 16 additions and 1 deletions
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2
libwvdrmengine/include/mapErrors-inl.h
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@@ -477,6 +477,8 @@ static android::status_t mapCdmResponseType(wvcdm::CdmResponseType res) {
return kRenewKeyError2;
case wvcdm::RESTORE_OFFLINE_LICENSE_ERROR_2:
return kRestoreOfflineLicenseError2;
case wvcdm::RESTORE_OFFLINE_LICENSE_ERROR_3:
return kRestoreOfflineLicenseError3;
case wvcdm::SAMPLE_AND_SUBSAMPLE_SIZE_MISMATCH:
return kSampleAndSubsampleSizeMismatch;
case wvcdm::SESSION_FILE_HANDLE_INIT_ERROR: