#32413: File upload permission denied error on large files
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Reporter: James Miller | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 3.1
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by James Miller:
Old description:
> Hi, if an uploaded file exceeds the DATA_UPLOAD_MAX_MEMORY_SIZE of 2.5
> mb, django starts streaming the file data to a file in /tmp.
>
> When finished it copies it over to the its required file path location,
> but despite the permissions being set correctly, a permission denied
> error occurs.
>
> {{{
> Request Method: POST
> Request URL: http://127.0.0.1:8000/xxxx/upload/
> Django Version: 3.1.5
> Exception Type: PermissionError
> Exception Value:
>
> [Errno 13] Permission denied:
> '/opt/django_forum/django_forum/media/uploads/users/xxxxx
> /Albert_Memorial_London_-_May_2008_vWcDQT6.jpg'
>
> Exception Location: /usr/local/lib/python3.9/shutil.py, line 329, in
> _copyxattr
> Python Executable: /usr/local/bin/python
> Python Version: 3.9.1
> Python Path:
>
> ['/opt/django_forum/django_forum',
> '/opt/django_forum/django_forum',
> '/etc/opt/django_forum',
> '/opt/django_forum',
> '/usr/local/lib/python39.zip',
> '/usr/local/lib/python3.9',
> '/usr/local/lib/python3.9/lib-dynload',
> '/usr/local/lib/python3.9/site-packages']
> }}}
>
> I have tried setting the following settings:
>
> {{{
> FILE_UPLOAD_DIRECTORY_PERMISSIONS = 0o755
> FILE_UPLOAD_PERMISSIONS = 0o644
> }}}
> Most disturbingly, the files are created in their final position with
> 0755 permissions.
>
> I am using a containerised workflow as opposed to a venv but I am not
> certain that that should cause any issues.
New description:
Hi, if an uploaded file exceeds the DATA_UPLOAD_MAX_MEMORY_SIZE of 2.5 mb,
django starts streaming the file data to a file in /tmp.
When finished it copies it over to the its required file path location,
but despite the permissions being set correctly, a permission denied
error occurs.
{{{
Request Method: POST
Request URL: http://127.0.0.1:8000/xxxx/upload/
Django Version: 3.1.5
Exception Type: PermissionError
Exception Value:
[Errno 13] Permission denied:
'/opt/django_forum/django_forum/media/uploads/users/xxxxx
/Albert_Memorial_London_-_May_2008_vWcDQT6.jpg'
Exception Location: /usr/local/lib/python3.9/shutil.py, line 329, in
_copyxattr
Python Executable: /usr/local/bin/python
Python Version: 3.9.1
Python Path:
['/opt/django_forum/django_forum',
'/opt/django_forum/django_forum',
'/etc/opt/django_forum',
'/opt/django_forum',
'/usr/local/lib/python39.zip',
'/usr/local/lib/python3.9',
'/usr/local/lib/python3.9/lib-dynload',
'/usr/local/lib/python3.9/site-packages']
}}}
I have tried setting the following settings:
{{{
FILE_UPLOAD_DIRECTORY_PERMISSIONS = 0o755
FILE_UPLOAD_PERMISSIONS = 0o644
}}}
Most disturbingly, the large files are created in their final position
with 0755 permissions.
I am using a containerised workflow as opposed to a venv but I am not
certain that that should cause any issues.
--
--
Ticket URL: <https://code.djangoproject.com/ticket/32413#comment:1>
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