1. import json
  3. def load_tokens(filepath):
  4. """Loads authentication tokens from a JSON file.
  6. Args:
  7. filepath (str): The path to the JSON file containing the tokens.
  9. Returns:
  10. dict: A dictionary of tokens, or an empty dictionary if the file
  11. doesn't exist or is invalid. Returns None if there's a JSON decode error.
  12. """
  13. try:
  14. with open(filepath, 'r') as f:
  15. tokens = json.load(f)
  16. return tokens
  17. except FileNotFoundError:
  18. print(f"File not found: {filepath}")
  19. return {}
  20. except json.JSONDecodeError:
  21. print(f"Invalid JSON format in {filepath}")
  22. return None
  26. def validate_token(token):
  27. """Performs basic validation on an authentication token.
  29. Args:
  30. token (str): The token to validate.
  32. Returns:
  33. bool: True if the token is valid, False otherwise.
  34. """
  35. if not isinstance(token, str):
  36. print("Invalid token type: Must be a string.")
  37. return False
  38. if not token:
  39. print("Token cannot be empty.")
  40. return False
  41. if len(token) < 10: #Example length check
  42. print("Token too short.")
  43. return False
  44. return True
  47. if __name__ == '__main__':
  48. # Example Usage:
  49. token_file = 'tokens.json' # Replace with your file path
  51. tokens = load_tokens(token_file)
  53. if tokens is not None:
  54. if tokens:
  55. print("Loaded tokens:", tokens)
  56. else:
  57. print("No tokens loaded.")
  59. #Example token validation
  60. if tokens:
  61. test_token = "valid_token_123"
  62. if validate_token(test_token):
  63. print(f"{test_token} is valid.")
  64. else:
  65. print(f"{test_token} is invalid.")
  67. invalid_token = 123
  68. if validate_token(invalid_token):
  69. print(f"{invalid_token} is valid.")
  70. else:
  71. print(f"{invalid_token} is invalid.")

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