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UriUtil.isFileUri contains several additional fixes, so this ensure that existing instances where we check for the file scheme use this method as well. This covers all existing instances in the app of SCHEME_FILE.
Change-Id: I1f3131b33823eae3e620aa9608be8e72b2e84aa2
Bug: 215212561
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It uses the most common extension for the given MIME type.
Test: Manual
Change-Id: I3d4aea85fcd42088ed19898054db7225954d3401
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
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We've been informed it's possible for an app to create a world
readable hardlink in L in its own /data directory that links to
another apps private data, including Messenger data. The hardlink
bypassed our existing checks. So now we simply refuse all file: uris
in the /data/ directory.
Other apps shouldn't be sending file uris anyway, and we dont know
of any that send file:///data/ uris.
Bug: 28793303
Change-Id: I778bb2bcb9e11185357093c59fc1fa3f6caa26a1
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-Previously, Messaging allowed sharing of any file it had permission
to reach. This meant that bad apps could share a link to
file:///data/data/com.android.messaging/databases/bugle_db
and Messaging would happily send all this sensitive information to
the target. Worse, a bad app could share a softlink to this file,
where the symlink was picture.jpg with the image/jpg type.
-Now, when sanitizing attachments, we make sure any filepaths don't
lead to any Bugle-specific directories.
-getApplicationInfo().dataDir is a symlink to
/data/data/com.android.messaging, and appears to be the
only directory where we store personal data.
-Most apps share as contentUris, including Messaging, so Messaging
can still share to itself.
Change-Id: Ic464bc1f099029a030793c478aaf88b957d8bad1
Fixes:28076752
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b/23110861
Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1
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This reverts commit 461a34b466cb4b13dbbc2ec6330b31e217b2ac4e.
Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078
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b/23110861
Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
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