1. <?php
  3. /**
  4. * Watches for changes in authentication tokens for a local utility.
  5. * This code does NOT use async logic.
  6. */
  8. // Configuration
  9. $tokenFilePath = 'token.txt'; // Path to the file storing the token.
  10. $watchInterval = 5; // Interval in seconds to check for changes.
  13. // Function to read the token from the file.
  14. function getToken() {
  15. if (file_exists($tokenFilePath)) {
  16. return file_get_contents($tokenFilePath);
  17. }
  18. return null;
  19. }
  21. // Function to write the token to the file.
  22. function setToken($token) {
  23. file_put_contents($tokenFilePath, $token);
  24. }
  26. // Initial token retrieval
  27. $currentToken = getToken();
  29. // Main loop
  30. while (true) {
  31. $newToken = getToken();
  33. if ($newToken !== $currentToken) {
  34. // Token has changed!
  35. echo "Token changed: " . $newToken . "\n";
  37. // Update the current token
  38. $currentToken = $newToken;
  40. // You can add your utility logic here that uses the new token.
  41. // For example, re-authenticate, update session variables, etc.
  43. //Example: set a session variable.
  44. session_start();
  45. $_SESSION['token'] = $newToken;
  48. }
  50. // Wait for the specified interval
  51. sleep($watchInterval);
  52. }
  54. ?>

Add your comment