php两域名实现单点登录

来源：互联网发布：手机报表软件编辑：程序博客网时间：2024/04/30 01:38

callback.php

<?php
header('Content-Type:text/html; charset=utf-8');
if(empty($_GET)){
    exit('您还未登录');
}else{
    foreach($_GET as $key=>$val){
        setcookie($key,$val,0,'');
    }
    header("location:index.php");
}
?>

connect.php页面

<?php
header('Content-Type:text/html; charset=utf-8');
if(isset($_COOKIE['sign'])){
    $callback = urldecode($_GET['callback']);unset($_GET['callback']);
    $query = http_build_query($_COOKIE);
    $callback = $callback."?{$query}";
}else{
    exit;
}
?>
<html><script type="text/javascript">top.location.href="<?php echo $callback; ?>";</script></html>

index.php

<?php
header('Content-Type:text/html; charset=utf-8');
$sso_address = 'http://www.wenting.com/php9/sso/login.php'; //你SSO所在的域名
$callback_address = 'http://'.$_SERVER['HTTP_HOST']
    .str_replace('index.php','',$_SERVER['SCRIPT_NAME'])
    .'callback.php'; //callback地址用于回调设置cookie

if(isset($_COOKIE['sign'])){
    exit("欢迎您{$_COOKIE['sign']}<a href='login.php?logout'>退出</a>");
}else{
    echo '您还未登录 <a href="'.$sso_address.'?callback='.$callback_address.'">点此登录</a>';
}
?>
<iframe src="<?php echo $sso_address ?>?callback=<?php echo $callback_address ?>" frameborder="0" width="0" height="0"></iframe>

<?php
header('Content-Type:text/html; charset=utf-8');
if(isset($_GET['logout'])){
    setcookie('sign','',-300);
    unset($_GET['logout']);
    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>用户名：<input type="text" name="username" /></p>
        <p>密码：<input type="password" name="password" /></p>
        <input type="hidden" name="callback" value="<?php echo $_GET['callback']; ?>" />
        <input type="submit" value="登录" />
    </form>

<?php
}else{
    $query = http_build_query($_COOKIE);
    echo "系统检测到您已登录 {$_COOKIE['sign']} <a href='{$_GET['callback']}?{$query}'>授权</a> <a href='?logout'>退出</a>";
}
?>

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