80 lines
1.7 KiB
PHP
80 lines
1.7 KiB
PHP
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<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Web;
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/**
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* Helper Class Cookie
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*
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* @package Icinga\Web
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*/
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class Cookie
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{
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/**
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* The name of the control cookie
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*/
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const CHECK_COOKIE = '_chc';
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/**
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* Check whether cookies are supported or not
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*
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* @return bool
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*/
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public static function isSupported()
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{
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if (! empty($_COOKIE)) {
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self::cleanupCheck();
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return true;
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}
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if (isset($_REQUEST['_checkCookie']) && empty($_COOKIE)) {
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return false;
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}
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if (! isset($_REQUEST['_checkCookie'])) {
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self::provideCheck();
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}
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return false;
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}
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/**
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* Redirect to a given uri
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*
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* @param string $uri
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*/
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public static function redirect($uri)
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{
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header('location: ' . $uri);
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exit(0);
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}
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/**
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* Prepare check to detect cookie support
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*/
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public static function provideCheck()
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{
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setcookie(self::CHECK_COOKIE, '1');
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if (parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY)) {
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$requestUri = $_SERVER['REQUEST_URI'] . '&_checkCookie=1';
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} else {
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$requestUri = $_SERVER['REQUEST_URI'] . '?_checkCookie=1';
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}
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self::redirect($requestUri);
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}
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/**
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* Cleanup the cookie support check
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*/
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public static function cleanupCheck()
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{
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if (isset($_REQUEST['_checkCookie']) && isset($_COOKIE[self::CHECK_COOKIE])) {
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$requestUri = preg_replace('/([&|\?]_checkCookie=1)/', '', $_SERVER['REQUEST_URI']);
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self::redirect($requestUri);
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}
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}
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}
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