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Use 600 mode on Unix #107

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Merged
rayluo merged 1 commit into from
Jan 31, 2022
Merged

Use 600 mode on Unix #107

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9 changes: 7 additions & 2 deletions msal_extensions/persistence.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,11 @@ def get_location(self):
raise NotImplementedError


def _open(location):
return os.open(location, os.O_RDWR | os.O_CREAT | os.O_TRUNC, 0o600)
# The 600 seems no-op on NTFS/Windows, and that is fine


class FilePersistence(BasePersistence):
"""A generic persistence, storing data in a plain-text file"""

Expand All @@ -117,7 +122,7 @@ def __init__(self, location):
def save(self, content):
# type: (str) -> None
"""Save the content into this persistence"""
with open(self._location, 'w+') as handle: # pylint: disable=unspecified-encoding
with os.fdopen(_open(self._location), 'w+') as handle:
handle.write(content)

def load(self):
Expand Down Expand Up @@ -173,7 +178,7 @@ def __init__(self, location, entropy=''):
def save(self, content):
# type: (str) -> None
data = self._dp_agent.protect(content)
with open(self._location, 'wb+') as handle:
with os.fdopen(_open(self._location), 'wb+') as handle:
handle.write(data)

def load(self):
Expand Down