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Merge "Allow only HotwordDetectionService to note OP_RECORD_AUDIO_HOTWORD" into sc-dev

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This commit is contained in:
Ahaan Ugale
2021-06-30 14:28:54 +00:00
committed by Android (Google) Code Review
parent c794661b9a 91d9ac36e3
commit 94b8898da9
1 changed files with 33 additions and 0 deletions
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33
services/core/java/com/android/server/policy/AppOpsPolicy.java
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@@ -80,6 +80,12 @@ public final class AppOpsPolicy implements AppOpsManagerInternal.CheckOpsDelegat
@NonNull
private final VoiceInteractionManagerInternal mVoiceInteractionManagerInternal;
/**
* Whether this device allows only the HotwordDetectionService to use OP_RECORD_AUDIO_HOTWORD
* which doesn't incur the privacy indicator.
*/
private final boolean mIsHotwordDetectionServiceRequired;
/**
* The locking policy around the location tags is a bit special. Since we want to
* avoid grabbing the lock on every op note we are taking the approach where the
@@ -114,6 +120,8 @@ public final class AppOpsPolicy implements AppOpsManagerInternal.CheckOpsDelegat
mRoleManager = mContext.getSystemService(RoleManager.class);
mVoiceInteractionManagerInternal = LocalServices.getService(
VoiceInteractionManagerInternal.class);
mIsHotwordDetectionServiceRequired = isHotwordDetectionServiceRequired(
mContext.getPackageManager());
final LocationManagerInternal locationManagerInternal = LocalServices.getService(
LocationManagerInternal.class);
@@ -174,6 +182,12 @@ public final class AppOpsPolicy implements AppOpsManagerInternal.CheckOpsDelegat
initializeActivityRecognizersTags();
}
private static boolean isHotwordDetectionServiceRequired(PackageManager pm) {
// The HotwordDetectionService APIs aren't ready yet for Auto or TV.
return !(pm.hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE)
|| pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK));
}
@Override
public int checkOperation(int code, int uid, String packageName,
@Nullable String attributionTag, boolean raw,
@@ -257,6 +271,7 @@ public final class AppOpsPolicy implements AppOpsManagerInternal.CheckOpsDelegat
private int resolveDatasourceOp(int code, int uid, @NonNull String packageName,
@Nullable String attributionTag) {
code = resolveRecordAudioOp(code, uid);
if (attributionTag == null) {
return code;
}
@@ -359,6 +374,24 @@ public final class AppOpsPolicy implements AppOpsManagerInternal.CheckOpsDelegat
return code;
}
private int resolveRecordAudioOp(int code, int uid) {
if (code == AppOpsManager.OP_RECORD_AUDIO_HOTWORD) {
if (!mIsHotwordDetectionServiceRequired) {
return code;
}
// Only the HotwordDetectionService can use the HOTWORD op which doesn't incur the
// privacy indicator. Downgrade to standard RECORD_AUDIO for other processes.
final HotwordDetectionServiceIdentity hotwordDetectionServiceIdentity =
mVoiceInteractionManagerInternal.getHotwordDetectionServiceIdentity();
if (hotwordDetectionServiceIdentity != null
&& uid == hotwordDetectionServiceIdentity.getIsolatedUid()) {
return code;
}
return AppOpsManager.OP_RECORD_AUDIO;
}
return code;
}
private int resolveUid(int code, int uid) {
// The HotwordDetectionService is an isolated service, which ordinarily cannot hold
// permissions. So we allow it to assume the owning package identity for certain