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-rw-r--r--library/Icinga/Web/Helper/CookieHelper.php81
1 files changed, 81 insertions, 0 deletions
diff --git a/library/Icinga/Web/Helper/CookieHelper.php b/library/Icinga/Web/Helper/CookieHelper.php
new file mode 100644
index 0000000..cc7c448
--- /dev/null
+++ b/library/Icinga/Web/Helper/CookieHelper.php
@@ -0,0 +1,81 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Helper;
+
+use Icinga\Web\Request;
+
+/**
+ * Helper Class Cookie
+ */
+class CookieHelper
+{
+ /**
+ * The name of the control cookie
+ */
+ const CHECK_COOKIE = '_chc';
+
+ /**
+ * The request
+ *
+ * @var Request
+ */
+ protected $request;
+
+ /**
+ * Create a new cookie
+ *
+ * @param Request $request
+ */
+ public function __construct(Request $request)
+ {
+ $this->request = $request;
+ }
+
+ /**
+ * Check whether cookies are supported or not
+ *
+ * @return bool
+ */
+ public function isSupported()
+ {
+ if (! empty($_COOKIE)) {
+ $this->cleanupCheck();
+ return true;
+ }
+
+ $url = $this->request->getUrl();
+
+ if ($url->hasParam('_checkCookie') && empty($_COOKIE)) {
+ return false;
+ }
+
+ if (! $url->hasParam('_checkCookie')) {
+ $this->provideCheck();
+ }
+
+ return false;
+ }
+
+ /**
+ * Prepare check to detect cookie support
+ */
+ public function provideCheck()
+ {
+ setcookie(self::CHECK_COOKIE, '1');
+
+ $requestUri = $this->request->getUrl()->addParams(array('_checkCookie' => 1));
+ $this->request->getResponse()->redirectAndExit($requestUri);
+ }
+
+ /**
+ * Cleanup the cookie support check
+ */
+ public function cleanupCheck()
+ {
+ if ($this->request->getUrl()->hasParam('_checkCookie') && isset($_COOKIE[self::CHECK_COOKIE])) {
+ $requestUri =$this->request->getUrl()->without('_checkCookie');
+ $this->request->getResponse()->redirectAndExit($requestUri);
+ }
+ }
+}