Use resolved path for both checking and opening.
authorJeff Sharkey <jsharkey@android.com>
Thu, 7 Jan 2016 21:15:59 +0000 (14:15 -0700)
committerJeff Sharkey <jsharkey@android.com>
Thu, 14 Jan 2016 21:17:30 +0000 (14:17 -0700)
commitbdc831357e7a116bc561d51bf2ddc85ff11c01a9
treeae8fe48bbc79c0a044dc0624f6f30d09b11bc0f4
parentf3679d0367cd8a0e72875800decf9f63033645a0
Use resolved path for both checking and opening.

This avoids a race condition where someone can change a symlink
target after the security checks have passed.

Bug: 26211054
Change-Id: I5842aaecc7b7d417a3b1902957b59b8a1f3c1ccb
src/com/android/providers/downloads/DownloadProvider.java
src/com/android/providers/downloads/Helpers.java