Checking proxy script

September 18th, 2009 Script Posted in PHP script | 288 views

Finally, the last part of the post. Get ready for some “serious” programming.

  1. Include whatismyip.php. Don’t forget to specify URL.
  2. Copy getPage function to proxychecker.php or include it as a file.
  3. Specify a time limit.
  4. Write getProxies() function.
  5. Write deleteProxy($proxy) function.
  6. Specify badvars.php URL.
  7. Specify sleep intervals.
  8. Test and fix proxychecker.php. You don’t need to upload the script to a server. You can use your PC for testing.
  9. Deploy the script. Don’t use the same host for badvars.php and proxychecker.php.
  1. <?php
  2. /*
  3. * TODO 1
  4. * Include whatismyip.php. Don’t forget to specify URL.
  5. *//*
  6. * TODO 2
  7. * Copy getPage (http://www.fromzerotoseo.com/scraping-websites-php-curl-proxy/)
  8. * here or include it as a file.
  9. */set_time_limit(/* TODO 3 specify a time limit */);function getProxies() {
  10. /*
  11. * TODO 4
  12. * Load proxies from a file or database.
  13. * Return array of [IP]:[port] proxies or NULL.
  14. */
  15. }function deleteProxy($proxy) {
  16. /*
  17. * TODO 5
  18. * Delete $proxy from file/database or
  19. * mark as ‘bad’.
  20. */
  21. }
  22.  
  23. $whatIsMyIp = new WhatIsMyIp();
  24. $myIpAddress = $whatIsMyIp->getServerIpAddress();
  25. if (empty($myIpAddress)) {
  26. echo("Can’t obtain IP address\n");
  27. exit();
  28. }
  29.  
  30. $proxies = getProxies();
  31. if (empty($proxies)) {
  32. echo("Can’t load proxies\n");
  33. exit();
  34. }
  35.  
  36. foreach ($proxies as $proxy) {
  37. $result = getPage(
  38. $proxy,
  39. /*
  40. * TODO 6
  41. * Specify badvars.php URL
  42. */,
  43. ‘http://www.google.com/’,
  44. ‘Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.8) Gecko/2009032609 Firefox/3.0.8′,
  45. 1,
  46. 5);
  47.  
  48. if (empty($result[‘ERR’])) {
  49. if (preg_match("/" . $myIpAddress . "/", $result[‘EXE’])) {
  50. deleteProxy($proxy);
  51. } else {
  52. /*
  53. * Good proxy!
  54. */
  55. }
  56. } else {
  57. echo($result[‘ERR’] . ‘\n’);
  58. deleteProxy($proxy);
  59. }
  60.  
  61. sleep(rand(/* TODO 7 [int] */, /* [int] */));
  62. }
  63. ?>
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