phpBB Login Integration

[alex]

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login.php

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<?php

//ob
ob_start();

//session
session_start();

if (isset($_SESSION['username']))
{
 header("Location: main.php");
 exit();  
}

//connect
$error = 'Could not connect to the database';
mysql_connect('localhost','root','') or die($error);
mysql_select_db('phpbb') or die($error);

//include functions.php phpbb script
require 'forum/includes/functions.php';

if ($_POST['login'])
{
 //get form data
 $username = addslashes(strip_tags(strtolower($_POST['username'])));
 $password = addslashes(strip_tags($_POST['password']));
 
 if (!$username||!$password)
    echo "Please enter a username and password<p />";
 else
 {
  //find username
  $find = mysql_query("SELECT * FROM phpbb_users WHERE username_clean='$username'");
  if (mysql_num_rows($find)==0)
     echo "Username not found<p />";
  else
  {
   while ($find_row = mysql_fetch_assoc($find))
   {
    // grab password hash for user
    $password_hash = $find_row['user_password'];
   }
   
   $check = phpbb_check_hash($password, $password_hash);
   if ($check==FALSE)
      echo "Incorrect password<p />";
   else if ($check==TRUE)
   {
    $_SESSION['username']=$username;
    header("Location: main.php");
    exit();
   }

  }
 }
 


}

?>

<form action="login.php" method="POST">
Username:<br />
<input type="text" name="username"><p />
Password:<br />
<input type="password" name="password"><p />
<input type="submit" name="login" value="Log in">
</form>

main.php

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<?php

//ob
ob_start();

//session
session_start();

$session_username = $_SESSION['username'];

if (!isset($session_username))
{
 header("Location: login.php");
 exit();
}
else
{
 echo "Hello, ".$session_username.". <a href='logout.php'>Log out</a>";
}

?>

logout.php

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<?php

session_start();
session_destroy();

header("Location: login.php");

?>