Merge "RingtoneManager: verify default ringtone is audio" into tm-dev am: 763762e2ec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027430

Change-Id: Ief934e66580c718e04a6224be5991f482b6dc2b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

media/java/android/media/RingtoneManager.java

@@ -776,10 +776,10 @@ public class RingtoneManager {
 
         return ringtoneUri;
     }
-    
+
     /**
      * Sets the {@link Uri} of the default sound for a given sound type.
-     * 
+     *
      * @param context A context used for querying.
      * @param type The type whose default sound should be set. One of
      *            {@link #TYPE_RINGTONE}, {@link #TYPE_NOTIFICATION}, or
@@ -795,6 +795,21 @@ public class RingtoneManager {
         if(!isInternalRingtoneUri(ringtoneUri)) {
             ringtoneUri = ContentProvider.maybeAddUserId(ringtoneUri, context.getUserId());
         }
+
+        if (ringtoneUri != null) {
+            final String mimeType = resolver.getType(ringtoneUri);
+            if (mimeType == null) {
+                Log.e(TAG, "setActualDefaultRingtoneUri for URI:" + ringtoneUri
+                        + " ignored: failure to find mimeType (no access from this context?)");
+                return;
+            }
+            if (!(mimeType.startsWith("audio/") || mimeType.equals("application/ogg"))) {
+                Log.e(TAG, "setActualDefaultRingtoneUri for URI:" + ringtoneUri
+                        + " ignored: associated mimeType:" + mimeType + " is not an audio type");
+                return;
+            }
+        }
+
         Settings.System.putStringForUser(resolver, setting,
                 ringtoneUri != null ? ringtoneUri.toString() : null, context.getUserId());