Yii2 realizes multi-domain cross-domain synchronous login and exit-PHP Tutorial-php.cn

Yii2 realizes multi-domain cross-domain synchronous login and exit

高洛峰

Release： 2023-03-05 13:24:01

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During the platform development process, the project is divided into two parts: frontend (frontend) www.xxx.com and backend (backend) yun.xxx.com. Two domain names are bound. We know that when the domain name is not bound, the frontend The background can log in and log out synchronously, but it will become invalid after binding the domain name. The reason is that the scope of the session is different. The session scope of the two domain names is only limited to their own domain names. Our solution is to change the scopes of different second-level domain names to the top-level domain name xxx.com.

Add the following code in common/config/main.PHP:

//跨域session域名配置,获取当前主机名 
$host_array = explode(&#39;.&#39;, $_SERVER["HTTP_HOST"]); 
//针对com域名，获取顶级域名 
if (count($host_array) == 3) { 
  define(&#39;DOMAIN&#39;, $host_array[1] . &#39;.&#39; . $host_array[2]); 
} 
//针对com.cn域名 
elseif (count($host_array) == 4) { 
  define(&#39;DOMAIN&#39;, $host_array[1] . &#39;.&#39; . $host_array[2]. &#39;.&#39; . $host_array[3]); 
} 
else{ 
  //echo "本系统不支持本地访问，请配置域名";exit; 
} 
define(&#39;DOMAIN_HOME&#39;, &#39;www.&#39; . DOMAIN); 
define(&#39;DOMAIN_YUN&#39;, &#39;yun.&#39; . DOMAIN); 
define(&#39;DOMAIN_API&#39;, &#39;api.&#39; . DOMAIN); 
define(&#39;DOMAIN_EMAIL&#39;, &#39;mail.&#39; . DOMAIN); 
define(&#39;DOMAIN_IMG&#39;, &#39;img.&#39; . DOMAIN);

Copy after login

Modify the components part and change the session scope

&#39;user&#39; => [ 
      &#39;identityClass&#39; => &#39;common\models\User&#39;, 
      &#39;enableAutoLogin&#39; => true, 
      &#39;identityCookie&#39; => [&#39;name&#39; => &#39;_identity&#39;, &#39;httpOnly&#39; => true, &#39;domain&#39; => &#39;.&#39; . DOMAIN], 
    ], 
    &#39;session&#39; => [ 
      &#39;cookieParams&#39; => [&#39;domain&#39; => &#39;.&#39; . DOMAIN, &#39;lifetime&#39; => 0], 
      &#39;timeout&#39; => 3600, 
    ],

Copy after login

After passing the above configuration, more Synchronous login and logout can be achieved between two second-level domain names.

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