Potential fix for code scanning alert no. 5: Information exposure through an exception

[netpersona]

Potential fix for https://github.com/netpersona/Popcorn/security/code-scanning/5

The correct way to fix this issue is to avoid returning the exception message to the user. Instead, log the detailed exception (including the stack trace) on the server using the application's logger, and return a generic error message to the client. The function already imports logging, so you can leverage logging.getLogger(__name__) or, if there is an existing logger (such as logger elsewhere in the code), use it to log the exception details along with exc_info=True for the stack trace.

Modify the except block inside the test_plex_connection route to:

• Log the error and the stack trace.
• Return a generic message to the client in the 'message' field.

All edits should be within app.py, specifically within the test_plex_connection function.

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