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Fix code scanning alert no. 28: Uncontrolled data used in path expression #929

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Fix code scanning alert no. 28: Uncontrolled data used in path expression #929

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e3b9a71
Fix code scanning alert no. 28: Uncontrolled data used in path expres…
Ali-Razmjoo Sep 30, 2024
97ef714
Update core.py
Ali-Razmjoo Sep 30, 2024
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6 changes: 4 additions & 2 deletions nettacker/api/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -117,10 +117,12 @@
Returns:
content of the file or abort(404)
"""
if not os.path.normpath(filename).startswith(str(Config.path.web_static_dir)):
base_path = str(Config.path.web_static_dir)
fullpath = os.path.normpath(os.path.join(base_path, filename))
if not fullpath.startswith(base_path):
abort(404)
try:
return open(filename, "rb").read()
return open(fullpath, "rb").read()

Check failure

Code scanning / CodeQL

Uncontrolled data used in path expression High

This path depends on a
user-provided value
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except ValueError:
abort(404)
except IOError:
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