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L1 System Lowered to L3 Still Requires Secure Decoders

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Merge of https://widevine-internal-review.googlesource.com/#/c/8263
from the Widevine repo.

Changes the behavior of requiresSecureDecoderComponent() to query the
session for whether a lowered security level has been requested
before querying the system to see what its default security level is.

As part of this, we added a new QuerySessionStatus() method to the
CDM that gets status info on a session-specific level, such as the
effective security level of a session.

Bug: 11428937
Change-Id: I5549a2fdd400cc87f567d27fcf74c473451093d6
This commit is contained in:
John "Juce" Bruce
2013-11-06 11:03:20 -08:00
committed by John Bruce
parent 0a9f0b1dd8
commit fd482527e4
9 changed files with 99 additions and 5 deletions
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9
libwvdrmengine/mediacrypto/test/WVCryptoPlugin_test.cpp
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@@ -27,7 +27,8 @@ class MockCDM : public WvContentDecryptionModule {
MOCK_METHOD2(Decrypt, CdmResponseType(const CdmSessionId&,
const CdmDecryptionParameters&));
MOCK_METHOD1(QueryStatus, CdmResponseType(CdmQueryMap*));
MOCK_METHOD2(QuerySessionStatus, CdmResponseType(const CdmSessionId&,
CdmQueryMap*));
};
class WVCryptoPluginTest : public Test {
@@ -55,10 +56,10 @@ TEST_F(WVCryptoPluginTest, CorrectlyReportsSecureBuffers) {
CdmQueryMap l3Map;
l3Map[QUERY_KEY_SECURITY_LEVEL] = QUERY_VALUE_SECURITY_LEVEL_L3;
EXPECT_CALL(cdm, QueryStatus(_))
.WillOnce(DoAll(SetArgPointee<0>(l1Map),
EXPECT_CALL(cdm, QuerySessionStatus(_, _))
.WillOnce(DoAll(SetArgPointee<1>(l1Map),
Return(wvcdm::NO_ERROR)))
.WillOnce(DoAll(SetArgPointee<0>(l3Map),
.WillOnce(DoAll(SetArgPointee<1>(l3Map),
Return(wvcdm::NO_ERROR)));
EXPECT_TRUE(plugin.requiresSecureDecoderComponent("video/mp4")) <<