From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jean-Michel Trivi Date: Wed, 7 Dec 2022 04:36:46 +0000 Subject: [PATCH] RingtoneManager: verify default ringtone is audio When a ringtone picker tries to set a ringtone through RingtoneManager.setActualDefaultRingtoneUri (also called by com.android.settings.DefaultRingtonePreference), verify the mimeType can be obtained (not found when caller doesn't have access to it) and it is an audio resource. Bug: 205837340 Test: atest android.media.audio.cts.RingtoneManagerTest (cherry picked from commit 38618f9fb16d3b5617e2289354d47abe5af17dad) (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:377144b64325dadad102f5233ecb50a4446b205b) Merged-In: I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e Change-Id: I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e --- media/java/android/media/RingtoneManager.java | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/media/java/android/media/RingtoneManager.java b/media/java/android/media/RingtoneManager.java index fefa1ede849e..0e03bfb2502a 100644 --- a/media/java/android/media/RingtoneManager.java +++ b/media/java/android/media/RingtoneManager.java @@ -819,10 +819,10 @@ 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 @@ -843,6 +843,21 @@ 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());