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Fixed #28154 -- Prevented infinite loop in FileSystemStorage.save() when a broken symlink with the same name exists.

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Jacob Walls
2021-06-02 01:03:52 -04:00
committed by Mariusz Felisiak
parent d9cee3f5f2
commit ec2727efef
2 changed files with 12 additions and 1 deletions
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11
tests/file_storage/tests.py
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@@ -28,6 +28,7 @@ from django.test import (
from django.test.utils import requires_tz_support
from django.urls import NoReverseMatch, reverse_lazy
from django.utils import timezone
from django.utils._os import symlinks_supported
from .models import (
Storage, callable_storage, temp_storage, temp_storage_location,
@@ -297,6 +298,16 @@ class FileStorageTests(SimpleTestCase):
self.storage.delete('path/to/test.file')
@unittest.skipUnless(symlinks_supported(), 'Must be able to symlink to run this test.')
def test_file_save_broken_symlink(self):
"""A new path is created on save when a broken symlink is supplied."""
nonexistent_file_path = os.path.join(self.temp_dir, 'nonexistent.txt')
broken_symlink_path = os.path.join(self.temp_dir, 'symlink.txt')
os.symlink(nonexistent_file_path, broken_symlink_path)
f = ContentFile('some content')
f_name = self.storage.save(broken_symlink_path, f)
self.assertIs(os.path.exists(os.path.join(self.temp_dir, f_name)), True)
def test_save_doesnt_close(self):
with TemporaryUploadedFile('test', 'text/plain', 1, 'utf8') as file:
file.write(b'1')