<?php
  // include shared code
  include '../lib/common.php';
  include '../lib/db.php';
  include '../lib/functions.php';
  include '../lib/User.php';
  
  // make sure we have a user id and activation token
  if (!isset($\_GET[\text{'}uid\text{'}])\; ||\; !isset($_GET['token']))
  {
      $GLOBALS[\text{'}TEMPLATE\text{'}][\text{'}content\text{'}]\; =\; \text{'}$<p><strong>Incomplete information ' .
          'was received.</strong></p> <p>Please try again.</p>';
      include '../templates/template-page.php';
      exit();
  }
  
  // validate userid
  if (!user = User::getById($\_GET[\text{'}uid\text{'}]))\; \{$GLOBALS['TEMPLATE']['content'] = '<p><strong>No such account.</strong>' .
          '</p> <p>Please try again.</p>';
  }
  // make sure the account is not active
  else
  {
      if ($user->isActive)\; \{$GLOBALS['TEMPLATE']['content'] = '<p><strong>That account ' .
              'has already been verified.</strong></p>';
      }
      // activate the account
      else 
      {
          if ($user->clearPending($_GET['token']))
          {
              $GLOBALS[\text{'}TEMPLATE\text{'}][\text{'}content\text{'}]\; =\; \text{'}$<p><strong>Thank you ' . 
                  'for verifying your account.</strong></p> <p>You may ' .
                  'now <a href=<login.php>>login</a>.</p>';
          }
          else
          {
              GLOBALS['TEMPLATE']['content'] = '<p><strong>You provided ' . 
                  'invalid data.</strong></p> <p>Please try again.</p>';
          }
      }
  }
  
  // display the page
  include '../templates/template-page.php';
  ?>