One more thought, why not separating the things? I mean separate HTML with a
template engine ( like Smarty ) and separate PHP code ( also separated to
files ).
Like:
index.php:
if ( ! $_session['username'] ) {
$_SESSION['message'] = "Please log in";
header('Location: login.php');
}
//process $_Session['message'] if any, and assign it to template variable,
etc
switch ( $_session['username'] ) {
case '10':
//processing, template display
break;
case '11':
//processing, template display
break;
}
---------------------------------------------------
login.php:
if ( $_POST['username'] & $_POST['password'] ) {
//process login
if ( $login_ok ) {
$_SESSION['message'] = MESSAGE;
header('Locatin: index.php');
} else {
$_SESSION['message'] = MESSAGE;
}
}
//display login form, with message, if any ( bad user name, etc )
------------------------------------------------------
On more complex sites, you may want to use classes, so the PHP code gets
really separated and clean.
If you decide to a template engine, you may also want to create a global
$conf var and export that to the engine, so you can set the design, lang
code, etc from one variable.
Let me know, if I can helo you further :)
Cheers,
Tamas
-----Original Message-----
From: Dajka Tamas [mailto:viper@xxxxxxxxxxx]
Sent: Sunday, July 24, 2011 11:53 AM
To: 'alekto'; php-general@xxxxxxxxxxxxx
Subject: RE: Members area Login with permissions!
Hi,
I don't see any redirection in your script! It just displays the link to the
corresponding next homepage based on the user level. To really redirect, you
should user "header ('Location: URL');". Be aware, that if you pass ANY
content out, the additional headers can't be set, so either use output
buffer in php.ini, or ob_start somewhere. And hope you do session_start() in
config.php ;)
Cheers,
Tamas
-----Original Message-----
From: alekto [mailto:alekto.antarctica@xxxxxxxxx]
Sent: Sunday, July 24, 2011 1:28 AM
To: php-general@xxxxxxxxxxxxx
Subject: Members area Login with permissions!
Hi,
I need some help with my html/php, restricted access script.
The purpose with this script is to let users login to a members area; some
with admin permission, some with newbe permission and some with advanced
permissions. The permissions are pre-defined in the MySQL-DB with a
use_level-field in the user-table.
The different user-groups should have access to the following content:
admin - permissions to everything (for now the same as advanced)
advanced - lecture 1 and lecture 2
newbe - only lecture 1
The problem with this script is that it does not redirect the different user
groups to their repective index-pages, please help me to detect why!
<?php
include('config.php');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link href="<?php echo $design; ?>/style.css" rel="stylesheet"
title="Style" />
<title>Connexion</title>
</head>
<body>
<div class="header">
<a href="<?php echo $url_home; ?>"><img src="<?php echo
$design; ?>/images/logo.png" alt="Members Area" /></a>
</div>
<?php
//If the user is logged, we log him out
if(isset($_SESSION['username']))
{
//We log him out by deleting the username and userid sessions
unset($_SESSION['username'], $_SESSION['userid']);
?>
<div class="message">You have successfuly been loged out.<br />
<a href="<?php echo $url_home; ?>">Home</a></div>
<?php
}
else
{
$ousername = '';
//We check if the form has been sent
if(isset($_POST['username'], $_POST['password']))
{
//We remove slashes depending on the configuration
if(get_magic_quotes_gpc())
{
$ousername = stripslashes($_POST['username']);
$username =
mysql_real_escape_string(stripslashes($_POST['username']));
$password = stripslashes($_POST['password']);
}
else
{
$username =
mysql_real_escape_string($_POST['username']);
$password = $_POST['password'];
}
//We get the password of the user
$req = mysql_query('select password,id,usr_level from users
where username="'.$username.'"');
$dn = mysql_fetch_array($req);
//Get user level of the user
$usr_level = $req['usr_level'];
//We compare the submited password and the real one, and we
check if the user exists
if($dn['password']==$password and mysql_num_rows($req)>0)
{
//If the password is good, we dont show the form
$form = false;
//We save the user name in the session username and
the user Id in the session userid
$_SESSION['username'] = $_POST['username'];
$_SESSION['userid'] = $dn['id'];
if($usr_level == 1)
{
?>
<div class="message">You have successfuly been logged in. You can now access
the admin area.<br />
<a href="index2.php">Home</a></div>
<?php
}
if($usr_level == 10)
{
?>
<div class="message">You have successfuly been logged in. You can now access
to the newbe area.<br />
<a href="index1.php">Home</a></div>
<?php
}
if($usr_level == 11)
{
?>
<div class="message">You have successfuly been logged in. You can now access
the advanced area.<br />
<a href="index2.php">Home</a></div>
<?php
}
}
else
{
//Otherwise, we say the password is incorrect.
$form = true;
$message = 'The username or password is incorrect.';
}
}
else
{
$form = true;
}
if($form)
{
//We display a message if necessary
if(isset($message))
{
echo '<div class="message">'.$message.'</div>';
}
//We display the form
?>
<div class="content">
<form action="connexion.php" method="post">
Please type your IDs to log in:<br />
<div class="center">
<label for="username">Username</label><input type="text"
name="username" id="username" value="<?php echo htmlentities($ousername,
ENT_QUOTES, 'UTF-8'); ?>" /><br />
<label for="password">Password</label><input type="password"
name="password" id="password" /><br />
<input type="submit" value="Log in" />
</div>
</form>
</div>
<?php
}
}
?>
<div class="foot"><a href="<?php echo $url_home; ?>">Go
Home</a></div>
</body>
</html>
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