苗火 Nicholas

[php]cookie实现SSO

2015-12-11 萧 写技术

index.php

<?php
//index.php  
$sso_address = 'http://192.168.1.231/sso/login.php';
$callback_address = 'http://192.168.1.231/sso/callback.php';
if(isset($_COOKIE['sign'])){ 
    exit("Have login:{$_COOKIE['sign']} <a href=\"login.php?logout\">Logout</a>"); 
}else{ 
    echo 'Havent login <a href="'.$sso_address.'?callback='.$callback_address.'">Click here to login</a>'; 
} 
?>
<iframe src="<?php echo $sso_address ?>?callback=<?php echo $callback_address ?>" frameborder="0"  width="0" height="0"></iframe>

connect.php

<?php
//connect.php
if(isset($_COOKIE['sign'])){ 
    $callback = urldecode($_GET['callback']);
    unset($_GET['callback']); 
    $query = http_build_query($_COOKIE); 
    $callback = $callback."?{$query}"; 
}else{ 
    exit; 
} 
?>
<script>
    top.location.href="<?php echo $callback; ?>";
</script>

login.php

<?php
//login.php
if(isset($_GET['logout'])){ 
    setcookie('sign','',-300); 
    header('location:index.php'); 
} 
if(isset($_POST['username']) && isset($_POST['password'])){ 
    setcookie('sign',$_POST['username'],0,''); 
    header("location:".$_POST['callback']."?sign={$_POST['username']}"); 
} 
if(empty($_COOKIE['sign'])){ 
?>
<form method="post"> 
<p>username：<input type="text" name="username" /></p> 
<p>password：<input type="password" name="password" /></p> 
<input type="hidden" name="callback" value="<?php echo $_GET['callback']; ?>" /> 
<input type="submit" value="Login" /> 
</form> 
<?php 
}else{ 
    $query = http_build_query($_COOKIE); 
    echo "Have login: {$_COOKIE['sign']} <a href=\"{$_GET['callback']}?{$query}\">Access</a> <a href=\"?logout\">Logout</a>"; 
} 
?>

callback.php

<?php
//callback.php
if(empty($_GET)){ 
    exit('Havent login'); 
}else{ 
    foreach($_GET as $key=>$val){ 
        setcookie($key,$val,0,''); 
    } 
    header("location:index.php"); 
}
?>

标签: php