Function _compute_file_hmac

web/pgadmin/utils/session.py:65–71

Compute the hex-encoded HMAC over a session-file body. Flask's SECRET_KEY may be str or bytes; both are accepted.

(secret, body)

def _compute_file_hmac(secret, body):
    """Compute the hex-encoded HMAC over a session-file body.

    Flask's SECRET_KEY may be str or bytes; both are accepted.
    """
    key = secret.encode() if isinstance(secret, str) else secret
    return hmac.new(key, body, _FILE_HMAC).hexdigest().encode()


# HKDF salt + info for the session-body Fernet key. Both fixed and version-