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<?php |
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/** |
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* Class Header |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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use icy2003\php\I; |
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/** |
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* 对 header 函数的一些封装 |
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*/ |
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class Header |
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{ |
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/** |
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* 发送原生 HTTP 头 |
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* |
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* - 兼容 Workerman 的 header 头 |
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* |
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* @param string $string 头字符串 |
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* @param boolean $replace 是否用后面的头替换前面相同类型的头,默认是 |
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* @param integer $httpResponseCode 强制指定HTTP响应的值,默认不强制 |
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* |
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* @return void |
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*/ |
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public static function send($string, $replace = true, $httpResponseCode = null) |
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{ |
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if (method_exists('\Workerman\Protocols\Http', 'header')) { |
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call_user_func_array('\Workerman\Protocols\Http::header', [$string, $replace, $httpResponseCode]); |
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} else { |
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header($string, $replace, $httpResponseCode); |
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} |
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} |
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/** |
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* 正常访问 |
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* |
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* HTTP 返回 200 |
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* |
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* @return void |
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*/ |
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public static function ok($info = 'OK') |
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{ |
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self::send('HTTP/1.1 200 ' . $info); |
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} |
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/** |
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* 永久跳转 |
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* |
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* HTTP 返回 301 |
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* |
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* @param string $url 永久跳转的地址 |
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* |
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* @return void |
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*/ |
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public static function redirectPermanently($url, $info = 'Moved Permanently') |
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{ |
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self::send('HTTP/1.1 301 ' . $info); |
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self::send('Location: ' . $url); |
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} |
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/** |
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* 跳转到一个新的地址 |
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* |
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* HTTP 返回 302 |
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* |
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* @param string|null $url 新地址,如果不给这个值,表示刷新当前页面 |
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* @param integer $time 延迟时间,单位秒 |
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* |
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* @return void |
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*/ |
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public static function redirect($url = null, $time = 0, $info = 'Found') |
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{ |
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null === $url && $url = ''; |
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if ($time < 0) { |
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throw new \Exception('time 参数不能小于 0 '); |
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} else { |
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self::send('HTTP/1.1 302 ' . $info); |
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self::send('Refresh: ' . $time . '; ' . $url); |
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} |
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} |
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/** |
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* 告诉浏览器文档内容没有发生改变 |
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* |
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* @return void |
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*/ |
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public static function notModified($info = 'Not Modified') |
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{ |
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self::send('HTTP/1.1 304 ' . $info); |
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} |
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/** |
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* 禁止访问 |
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* |
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* @return void |
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*/ |
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public static function forbidden($info = 'Forbidden') |
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{ |
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self::send('HTTP/1.1 403 ' . $info); |
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} |
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/** |
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* 页面不存在 |
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* |
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* HTTP 返回 404 |
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* |
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* @return void |
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*/ |
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public static function notFound($info = 'Not Found') |
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{ |
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self::send('HTTP/1.1 404 ' . $info); |
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} |
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/** |
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* 服务器错误 |
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* |
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* @return void |
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*/ |
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public static function serverError($info = 'Internal Server Error') |
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{ |
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self::send('HTTP/1.1 500 ' . $info); |
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} |
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/** |
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* 设置网页编码为 UTF-8 |
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* |
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* @return void |
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*/ |
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public static function utf8() |
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{ |
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self::send('Content-Type: text/html; charset=utf-8'); |
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} |
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/** |
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* 内容类型为 JSON |
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* |
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* @return void |
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*/ |
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public static function json() |
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{ |
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self::send('Content-Type: application/json'); |
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} |
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/** |
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* 内容类型为 XML |
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* |
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* @return void |
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*/ |
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public static function xml() |
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{ |
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self::send('Content-Type: text/xml'); |
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} |
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/** |
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* 设置可跨域的域名 |
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* |
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* @param array|string $urls 跨域域名列表,格式例如:http://127.0.0.1:8080 |
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* |
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* @return void |
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*/ |
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public static function allowOrigin($urls = '*') |
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{ |
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if ('*' === $urls) { |
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self::send('Access-Control-Allow-Origin:*'); |
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} else { |
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$origin = I::get($_SERVER, 'HTTP_ORIGIN'); |
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$urls = Strings::toArray($urls); |
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if (is_array($urls) && in_array($origin, $urls)) { |
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self::send('Access-Control-Allow-Origin:' . $origin); |
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} |
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} |
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self::send('Access-Control-Max-Age:86400'); |
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self::send('Access-Control-Allow-Credentials:true'); |
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self::send('Access-Control-Allow-Methods:*'); |
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self::send('Access-Control-Allow-Headers:Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, Authorization, X-E4M-With'); |
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} |
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/** |
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* 修改 X-Powered-By信息 |
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* |
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* @param string $string |
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* |
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* @return void |
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*/ |
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public static function xPoweredBy($string = 'icy2003') |
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{ |
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self::send('X-Powered-By: ' . $string); |
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} |
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/** |
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* 禁用缓存 |
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* |
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* @return void |
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*/ |
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public static function noCache() |
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{ |
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self::send('Cache-Control: no-cache, no-store, max-age=0, must-revalidate'); |
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self::send('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); |
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} |
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/** |
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* 设置 X-Frame-Options 选项 |
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* |
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* - 部分浏览器可能不支持,@link https://developer.mozilla.org/zh-CN/docs/Web/HTTP/X-Frame-Options |
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* |
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* @param boolean|string $asFrame 取值如下: |
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* - false:X-Frame-Options: deny 表示该页面不允许在 frame 中展示,即便是在相同域名的页面中嵌套也不允许 |
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* - true:X-Frame-Options: sameorigin 表示该页面可以在相同域名页面的 frame 中展示 |
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* - 字符串:X-Frame-Options: allow-from https://example.com/ 表示该页面可以在指定来源的 frame 中展示 |
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* |
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* @return void |
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*/ |
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public static function frame($asFrame = true) |
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{ |
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if (true === $asFrame) { |
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self::send('X-Frame-Options: sameorigin'); |
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} elseif (false === $asFrame) { |
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self::send('X-Frame-Options: deny'); |
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} else { |
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$asFrame = (string) $asFrame; |
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self::send('X-Frame-Options: allow-from ' . $asFrame); |
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} |
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} |
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/** |
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* 是否禁用 mine 嗅探 |
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* |
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* - 部分浏览器不支持,@link https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers/X-Content-Type-Options |
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* - 下面两种情况的请求将被阻止: |
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* 1. 请求类型是"style" 但是 MIME 类型不是 "text/css", |
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* 2. 请求类型是"script" 但是 MIME 类型不是 |
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* |
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* @param boolean $disabled 默认禁用 |
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* |
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* @return void |
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*/ |
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public static function mimeSniffing($disabled = true) |
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{ |
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if (true === $disabled) { |
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self::send('X-Content-Type-Options: nosniff'); |
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} |
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} |
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} |
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