GitHub user mgaido91 opened a pull request:
https://github.com/apache/spark/pull/21895
[SPARK-24948][SHS] Delegate check access permissions to the file system
## What changes were proposed in this pull request?
In `SparkHadoopUtil. checkAccessPermission`, we consider only basic
permissions in order to check wether a user can access a file or not. This is
not a complete check, as it ignores ACLs and other policies a file system may
apply in its internal. So this can result in returning wrongly that a user
cannot access a file (despite he actually can).
The PR proposes to delegate to the filesystem the check whether a file is
accessible or not, in order to return the right result.
## How was this patch tested?
modified UTs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mgaido91/spark SPARK-24948
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21895.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #21895
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commit 1052c1765e075deaf76f0fedfe805808ce669b5b
Author: Marco Gaido <marcogaido91@...>
Date: 2018-07-27T16:01:15Z
[SPARK-24948][SHS] Delegate check access permissions to the file system
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