Issue with setting permissions on a private bucket
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3058063. -->
Reported by: [tame4tex](https://www.drupal.org/user/1824356)
>>>
<p>I have a private bucket set up on AWS S3 and configured flysystem s3 as follows</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br></span><span style="color: #FF8000">/**<br> * Flysystem S3 Setup<br> */<br></span><span style="color: #0000BB">$schemes </span><span style="color: #007700">= [<br> </span><span style="color: #DD0000">'s3' </span><span style="color: #007700">=> [<br> </span><span style="color: #DD0000">'driver' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'s3'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'config' </span><span style="color: #007700">=> [<br> </span><span style="color: #DD0000">'key' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'MY_KEY'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'secret' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'MY_SECRET'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'region' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'us-west-2'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'bucket' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'mybucket'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'public' </span><span style="color: #007700">=> </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'options' </span><span style="color: #007700">=> [<br> </span><span style="color: #DD0000">'ServerSideEncryption' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'AES256'</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'ACL' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'private'</span><span style="color: #007700">,<br> ]<br> ],<br> </span><span style="color: #DD0000">'cache' </span><span style="color: #007700">=> </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'serve_js' </span><span style="color: #007700">=> </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">,<br> </span><span style="color: #DD0000">'serve_css' </span><span style="color: #007700">=> </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">,<br> ],<br>];<br></span><span style="color: #0000BB">$settings</span><span style="color: #007700">[</span><span style="color: #DD0000">'flysystem'</span><span style="color: #007700">] = </span><span style="color: #0000BB">$schemes</span><span style="color: #007700">;<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>The issue is that every time I upload a file via file field using the S3 scheme, I get the following error:<br>
<code>Error: The file permissions could not be set on s3://filename.pdf.</code></p>
<p>The cause of this error is that <code>\Drupal\Core\File\FileSystem::chmod()</code> is trying to apply the default permission mode 0664 which <code>\Twistor\FlysystemStreamWrapper::stream_metadata()</code> determines is public. This causes an exception to be thrown. Instead, the permission mode 0600 must be used.</p>
<p>This is related to <a href="https://www.drupal.org/project/flysystem_s3/issues/2772847">https://www.drupal.org/project/flysystem_s3/issues/2772847</a>, however, I chose to report and provide a patch for this bug separately as I have no need to implement signed URLs in my project.</p>
issue
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