php sso单点登录实现代码
下面详细讲到了几点.1、点击登录跳转到SSO登录页面并带上当前应用的callback地址 2、登录成功后生成COOKIE并将COOKIE传给callback地址 3、callback地址接收SSO的COOKIE并设置在当前域下再跳回到应用1即完成登录 4、再在应用程序需要登录的地方嵌入一个iframe用来实时检测登录状态,代码如下:
- <?php
-
- header('Content-Type:text/html; charset=utf-8');
- $sso_address = 'http://2spaoku.com/sso/login.php'; //你SSO所在的域名
- $callback_address = 'http://'.$_SERVER['HTTP_HOST']
- .str_replace('index.php','',$_SERVER['SCRIPT_NAME'])
- .'callback.php';
-
- if(isset($_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(emptyempty($_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']}?{$query}">授权</a> <a href="?logout">退出</a>";
- }
- ?>
-
- <?php
-
- header('Content-Type:text/html; charset=utf-8');
- if(emptyempty($_GET)){
- exit('您还未登录');
- }else{
- foreach($_GET as $key=>$val){
- setcookie($key,$val,0,'');
- }
- header("location:index.php");
- }
- ?>
-
- <?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>
