drgreen/android_frameworks_base
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Tighten enforcement of file modes.

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Bug: 8275867
Change-Id: I4da14f2dd0049aca69636999696c1f3c02b3b792
This commit is contained in:
Jeff Sharkey
2013-02-28 15:57:36 -08:00
committed by Geremy Condra
parent c84b3603fa
commit a2e929e1df
1 changed files with 2 additions and 2 deletions
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4
core/java/android/content/ContentProvider.java
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@ -238,7 +238,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode)
throws FileNotFoundException {
if (mode != null && mode.startsWith("rw")) enforceWritePermission(uri);
if (mode != null && mode.indexOf('w') != -1) enforceWritePermission(uri);
else enforceReadPermission(uri);
return ContentProvider.this.openFile(uri, mode);
}
@ -246,7 +246,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
@Override
public AssetFileDescriptor openAssetFile(Uri uri, String mode)
throws FileNotFoundException {
if (mode != null && mode.startsWith("rw")) enforceWritePermission(uri);
if (mode != null && mode.indexOf('w') != -1) enforceWritePermission(uri);
else enforceReadPermission(uri);
return ContentProvider.this.openAssetFile(uri, mode);
}