mirror of
https://github.com/apidoorman/doorman.git
synced 2026-04-26 10:38:52 -05:00
seniorswe
106 lines
4.0 KiB
Python
106 lines
4.0 KiB
Python
"""
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Test Exception Handling Improvements
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Documents the fixes to prevent silent auth bypass via broad exception handling
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"""
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def test_exception_handling_patterns():
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"""Test exception handling patterns in auth paths"""
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print("Exception Handling Security Improvements")
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print("=" * 70)
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print()
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patterns = [
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{
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'location': 'utils/auth_util.py:122-124',
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'pattern': 'Good (Already Correct)',
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'code': '''except Exception as e:
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logger.error(f'Unexpected error in auth_required: {str(e)}')
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raise HTTPException(status_code=401, detail='Unauthorized')''',
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'security': 'SECURE',
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'reason': 'Logs error and re-raises as HTTPException'
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},
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{
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'location': 'routes/authorization_routes.py (5 locations)',
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'pattern': 'Fixed: Admin check exceptions',
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'code': '''except Exception as e:
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logger.error(f'{request_id} | Admin check failed: {str(e)}', exc_info=True)''',
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'security': 'IMPROVED',
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'reason': 'Now logs errors instead of silent pass'
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},
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{
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'location': 'routes/authorization_routes.py:756-758',
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'pattern': 'Fixed: Token revocation fallback',
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'code': '''except Exception as e:
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logger.warning(f'{request_id} | Token revocation failed, using fallback: {str(e)}')''',
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'security': 'IMPROVED',
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'reason': 'Logs revocation failures for monitoring'
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},
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{
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'location': 'doorman.py:548-551 (body_size_limit)',
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'pattern': 'Fixed: Middleware exception logging',
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'code': '''except Exception as e:
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gateway_logger.error(f'Body size limit middleware error: {str(e)}', exc_info=True)
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return await call_next(request)''',
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'security': 'IMPROVED',
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'reason': 'Critical security middleware failures now logged'
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},
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{
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'location': 'doorman.py:588-590 (request_id_middleware)',
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'pattern': 'Fixed: Request ID middleware',
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'code': '''except Exception as e:
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gateway_logger.error(f'Request ID middleware error: {str(e)}', exc_info=True)
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return await call_next(request)''',
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'security': 'IMPROVED',
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'reason': 'Middleware errors logged for investigation'
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}
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]
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for i, pattern in enumerate(patterns, 1):
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print(f"{i}. {pattern['location']}")
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print(f" Pattern: {pattern['pattern']}")
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print(f" Security: {pattern['security']}")
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print(f" Reason: {pattern['reason']}")
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print()
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print(" Code:")
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for line in pattern['code'].split('\n'):
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print(f" {line}")
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print()
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print("=" * 70)
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print()
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print("Security Impact Summary:")
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print()
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print("BEFORE (Vulnerable):")
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print(" except Exception:")
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print(" pass # Silent failure - attackers exploit this")
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print()
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print("Problems:")
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print(" - Authentication failures silently ignored")
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print(" - Permission checks bypassed without logging")
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print(" - Security middleware failures undetected")
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print(" - No audit trail for investigation")
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print()
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print("AFTER (Secure):")
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print(" except Exception as e:")
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print(" logger.error(f'Error details: {e}', exc_info=True)")
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print(" # Appropriate action (re-raise, fallback, or continue)")
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print()
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print("Benefits:")
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print(" ✓ All errors logged with full stack traces")
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print(" ✓ Security incidents visible in logs")
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print(" ✓ Audit trail for forensic analysis")
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print(" ✓ Monitoring/alerting can detect attack patterns")
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print()
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print("Files Modified:")
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print(" 1. routes/authorization_routes.py (6 locations)")
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print(" 2. doorman.py (2 middleware handlers)")
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print(" 3. utils/auth_util.py (already correct)")
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print()
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print("P0 Risk Mitigated:")
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print(" Silent authentication bypass via exception swallowing")
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print()
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if __name__ == '__main__':
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test_exception_handling_patterns()
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