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Fix expiry time overflow if it is unlimited

Browse Source 
Bug: 21324836

Merged from Widevine CDM repo:
https://widevine-internal-review.googlesource.com/#/c/14392

Change-Id: I2a8da14c98f8ae0fece3667b6f6b8517577f8a98
This commit is contained in:
Kongqun Yang
2015-05-19 18:09:02 -07:00
parent b513c016ed
commit ce68b8ee88
9 changed files with 25 additions and 15 deletions
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4
libwvdrmengine/cdm/core/include/wv_cdm_constants.h
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@@ -3,6 +3,8 @@
#ifndef WVCDM_CORE_WV_CDM_CONSTANTS_H_
#define WVCDM_CORE_WV_CDM_CONSTANTS_H_
#include <limits.h>
#include <string>
namespace wvcdm {
@@ -14,6 +16,8 @@ static const size_t KEY_SIZE = 16;
static const size_t MAC_KEY_SIZE = 32;
static const size_t KEYBOX_KEY_DATA_SIZE = 72;
static const int64_t NEVER_EXPIRES = LLONG_MAX;
static const char SESSION_ID_PREFIX[] = "sid";
static const char KEY_SET_ID_PREFIX[] = "ksid";
static const char KEY_SYSTEM[] = "com.widevine";

2
libwvdrmengine/cdm/core/include/wv_cdm_event_listener.h
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@@ -18,7 +18,7 @@ class WvCdmEventListener {
const CdmKeyStatusMap& keys_status,
bool has_new_usable_key) = 0;
virtual void OnExpirationUpdate(const CdmSessionId& session_id,
int64_t new_expiry_time) = 0;
int64_t new_expiry_time_seconds) = 0;
private:
CORE_DISALLOW_COPY_AND_ASSIGN(WvCdmEventListener);

2
libwvdrmengine/cdm/core/src/license.cpp
View File

@@ -2,8 +2,6 @@
#include "license.h"
#include <limits.h>
#include <vector>
#include "clock.h"

4
libwvdrmengine/cdm/core/src/policy_engine.cpp
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@@ -280,13 +280,13 @@ void PolicyEngine::UpdateRenewalRequest(int64_t current_time) {
int64_t PolicyEngine::GetLicenseExpiryTime() {
return policy_max_duration_seconds_ > 0
? license_start_time_ + policy_max_duration_seconds_
: LLONG_MAX;
: NEVER_EXPIRES;
}
int64_t PolicyEngine::GetPlaybackExpiryTime() {
return (playback_start_time_ > 0 && policy_.playback_duration_seconds() > 0)
? (playback_start_time_ + policy_.playback_duration_seconds())
: LLONG_MAX;
: NEVER_EXPIRES;
}
int64_t PolicyEngine::GetLicenseDurationRemaining(int64_t current_time) {

9
libwvdrmengine/cdm/core/test/policy_engine_unittest.cpp
View File

@@ -18,7 +18,6 @@
namespace {
const int64_t kDurationUnlimited = 0;
const int64_t kNoExpiration = LLONG_MAX;
const int64_t kLicenseStartTime = 1413517500; // ~ 01/01/2013
const int64_t kPlaybackStartTime = kLicenseStartTime + 5;
const int64_t kRentalDuration = 604800; // 7 days
@@ -75,8 +74,8 @@ class MockCdmEventListener : public WvCdmEventListener {
MOCK_METHOD3(OnSessionKeysChange, void(const CdmSessionId& session_id,
const CdmKeyStatusMap& keys_status,
bool has_new_usable_key));
MOCK_METHOD2(OnExpirationUpdate,
void(const CdmSessionId& session_id, int64_t new_expiry_time));
MOCK_METHOD2(OnExpirationUpdate, void(const CdmSessionId& session_id,
int64_t new_expiry_time_seconds));
};
class MockMaxResEngine : public MaxResEngine {
@@ -471,7 +470,7 @@ TEST_F(PolicyEngineTest, PlaybackOk_PlaybackDuration0) {
EXPECT_CALL(mock_event_listener_,
OnExpirationUpdate(_, kLicenseStartTime + kHighDuration));
EXPECT_CALL(mock_event_listener_,
OnExpirationUpdate(_, kNoExpiration));
OnExpirationUpdate(_, NEVER_EXPIRES));
EXPECT_CALL(check_, Call(1));
EXPECT_CALL(mock_event_listener_, OnSessionRenewalNeeded(_));
EXPECT_CALL(check_, Call(2));
@@ -545,7 +544,7 @@ TEST_F(PolicyEngineTest, PlaybackOk_Durations0) {
.WillOnce(Return(kLicenseStartTime + kHighDuration));
ExpectSessionKeysChange(kKeyStatusUsable, true);
EXPECT_CALL(mock_event_listener_, OnExpirationUpdate(_, kNoExpiration));
EXPECT_CALL(mock_event_listener_, OnExpirationUpdate(_, NEVER_EXPIRES));
policy_engine_->SetLicense(license_);

4
libwvdrmengine/cdm/test/request_license_test.cpp
View File

@@ -495,8 +495,8 @@ class TestWvCdmEventListener : public WvCdmEventListener {
MOCK_METHOD3(OnSessionKeysChange, void(const CdmSessionId& session_id,
const CdmKeyStatusMap& keys_status,
bool has_new_usable_key));
MOCK_METHOD2(OnExpirationUpdate,
void(const CdmSessionId& session_id, int64_t new_expiry_time));
MOCK_METHOD2(OnExpirationUpdate, void(const CdmSessionId& session_id,
int64_t new_expiry_time_seconds));
};
class WvCdmRequestLicenseTest : public WvCdmTestBase {

2
libwvdrmengine/mediadrm/include/WVDrmPlugin.h
View File

@@ -145,7 +145,7 @@ class WVDrmPlugin : public android::DrmPlugin,
bool hasNewUsableKey);
virtual void OnExpirationUpdate(const CdmSessionId& cdmSessionId,
int64_t newExpiryTime);
int64_t newExpiryTimeSeconds);
private:
DISALLOW_EVIL_CONSTRUCTORS(WVDrmPlugin);

7
libwvdrmengine/mediadrm/src/WVDrmPlugin.cpp
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@@ -875,9 +875,12 @@ void WVDrmPlugin::OnSessionKeysChange(const CdmSessionId& cdmSessionId,
}
void WVDrmPlugin::OnExpirationUpdate(const CdmSessionId& cdmSessionId,
int64_t newExpiryTime) {
int64_t newExpiryTimeSeconds) {
Vector<uint8_t> sessionId = ToVector(cdmSessionId);
sendExpirationUpdate(&sessionId, newExpiryTime * 1000);
int64_t newExpiryTimeMilliseconds = newExpiryTimeSeconds == NEVER_EXPIRES
? newExpiryTimeSeconds
: newExpiryTimeSeconds * 1000;
sendExpirationUpdate(&sessionId, newExpiryTimeMilliseconds);
}
status_t WVDrmPlugin::queryProperty(const std::string& property,

6
libwvdrmengine/mediadrm/test/WVDrmPlugin_test.cpp
View File

@@ -1328,6 +1328,11 @@ TEST_F(WVDrmPluginTest, MarshalsEvents) {
sendEvent(DrmPlugin::kDrmPluginEventKeyNeeded, 0,
Pointee(ElementsAreArray(sessionIdRaw, kSessionIdSize)),
NULL));
// Expiry Time in Java API is in milliseconds.
EXPECT_CALL(*listener,
sendExpirationUpdate(
Pointee(ElementsAreArray(sessionIdRaw, kSessionIdSize)),
NEVER_EXPIRES));
EXPECT_CALL(*listener,
sendExpirationUpdate(
Pointee(ElementsAreArray(sessionIdRaw, kSessionIdSize)),
@@ -1364,6 +1369,7 @@ TEST_F(WVDrmPluginTest, MarshalsEvents) {
plugin.OnSessionKeysChange(cdmSessionId, cdmKeysStatus, false);
plugin.OnSessionRenewalNeeded(cdmSessionId);
plugin.OnExpirationUpdate(cdmSessionId, NEVER_EXPIRES);
plugin.OnExpirationUpdate(cdmSessionId, kExpiryTimeInSeconds);
cdmKeysStatus[kKeyId1] = kKeyStatusUsable;