[tor-commits] [tor-browser/tor-browser-52.7.3esr-8.0-1] Bug 1356893 - Reject opening intents with file data schemes. r=sebastian, r=nalexander

[gk@xxxxxxxxxxxxxx]

commit e53935623c1da11a7b327542667dba32ddd95017
Author: Eugen Sawin <esawin@xxxxxxxxxxx>
Date:   Tue Apr 24 19:09:24 2018 -0300

    Bug 1356893 - Reject opening intents with file data schemes. r=sebastian, r=nalexander
    
    --HG--
    extra : rebase_source : 1f764df3309b3641f124915b1a1204afbbd8354a
---
 mobile/android/base/java/org/mozilla/gecko/IntentHelper.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mobile/android/base/java/org/mozilla/gecko/IntentHelper.java b/mobile/android/base/java/org/mozilla/gecko/IntentHelper.java
index efe9576d7d19..e2f34f926b72 100644
--- a/mobile/android/base/java/org/mozilla/gecko/IntentHelper.java
+++ b/mobile/android/base/java/org/mozilla/gecko/IntentHelper.java
@@ -287,6 +287,12 @@ public final class IntentHelper implements GeckoEventListener,
                 return null;
             }
 
+            final Uri data = intent.getData();
+            if (data != null && "file".equals(data.normalizeScheme().getScheme())) {
+                Log.w(LOGTAG, "Blocked intent with \"file://\" data scheme.");
+                return null;
+            }
+
             // Only open applications which can accept arbitrary data from a browser.
             intent.addCategory(Intent.CATEGORY_BROWSABLE);
 



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