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Generate dynamic link for a specific download authentication......

/ Published in: PHP
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Bind this particular custom function to a button and name that button as generate your link or any anchor does work, better pass it with a JavaScript's through the action and send the variable or make a ajax call and send it.....or in the action assign it to the php page and call that function then rest u can read from the below code....formatted....

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Copy this code and paste it in your HTML 
  1. <?php 
  2.   function Authlin($authcheckin){
  3.    $app_id = "YOUR_APP_ID";
  4.    $app_secret = "YOUR_APP_SECRET";
  5.    $my_url = "YOUR_URL";
  6.  
  7.    session_start();
  8.    $code = $authcheckin;
  9.  
  10.    if(empty($code)) {
  11.      $_SESSION['state'] = md5(uniqid(rand(), TRUE));
  12.      $dialog_url = "http://yourcodeurl.com/dialog/oauth?client_id=" 
  13.        . $app_id . "&redirect_uri=" . urlencode($my_url) . "&state="
  14.        . $_SESSION['state'];
  15.  
  16.      echo("<script> top.location.href='" . $dialog_url . "'</script>");
  17.    }
  18.  
  19.    if($_REQUEST['state'] == $_SESSION['state']) {
  20.      $token_url = "https://yourcodeurl.com/oauth/access_token?"
  21.        . "client_id=" . $app_id . "&redirect_uri=" . urlencode($my_url)
  22.        . "&client_secret=" . $app_secret . "&code=" . $code;
  23.  
  24.      $response = @file_get_contents($token_url);
  25.      $params = null;
  26.      parse_str($response, $params);
  27.  
  28.      $graph_url = "https://yourcodeurl.com/me?access_token=" 
  29.        . $params['access_token'];
  30.  
  31.      $user = json_decode(file_get_contents($graph_url));
  32.      echo("Hello " . $user->name);
  33.    }
  34.    else {
  35.      echo("The state does not match.Access Denied.");
  36.    }
  37. }
  38.  ?>

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