Fix code scanning alert no. 1: Uncontrolled data used in path expression #43
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Fixes https://github.com/asteriskiry/eventsignup_backend/security/code-scanning/1
To fix the problem, we need to validate the
fileNameparameter to ensure it does not contain any path traversal sequences or invalid characters. This can be done by checking for the presence of "..", "/", or "\" in thefileNameand rejecting the input if any are found. Additionally, we should ensure that the resolved path is within the intended directory.Suggested fixes powered by Copilot Autofix. Review carefully before merging.