diff options
Diffstat (limited to 'src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java')
-rw-r--r-- | src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java b/src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java index 194620f..d92665a 100644 --- a/src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java +++ b/src/main/com/android/timezone/data/TimeZoneRulesDataProvider.java @@ -31,6 +31,7 @@ import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.ParcelFileDescriptor; +import android.os.UserHandle; import android.provider.TimeZoneRulesDataContract; import android.provider.TimeZoneRulesDataContract.Operation; import android.support.annotation.NonNull; @@ -94,6 +95,14 @@ public final class TimeZoneRulesDataProvider extends ContentProvider { public void attachInfo(Context context, ProviderInfo info) { super.attachInfo(context, info); + // The time zone update process should run as the system user exclusively as it's a + // system feature, not user dependent. + UserHandle currentUserHandle = android.os.Process.myUserHandle(); + if (!currentUserHandle.isSystem()) { + throw new SecurityException("ContentProvider is supposed to run as the system user," + + " instead user=" + currentUserHandle); + } + // Sanity check our security if (!TimeZoneRulesDataContract.AUTHORITY.equals(info.authority)) { // The authority looked for by the time zone updater is fixed. |