1 files changed, 86 insertions, 0 deletions
diff --git a/src/Controller/CheckRequest.php b/src/Controller/CheckRequest.php
new file mode 100644
index 0000000..a63a2b7
--- /dev/null
+++ b/src/Controller/CheckRequest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Jasny\Controller;
+
+use Psr\Http\Message\ServerRequestInterface;
+
+/**
+ * Controller methods to check the request
+ */
+trait CheckRequest
+{
+    /**
+     * Get request, set for controller
+     *
+     * @return ServerRequestInterface
+     */
+    abstract protected function getRequest();
+    
+    
+    /**
+     * Check if request is GET request
+     *
+     * @return boolean
+     */
+    public function isGetRequest()
+    {
+        $method = $this->getRequest()->getMethod();
+
+        return !$method || $method === 'GET';
+    }
+
+    /**
+     * Check if request is POST request
+     *
+     * @return boolean
+     */
+    public function isPostRequest()
+    {
+        return $this->getRequest()->getMethod() === 'POST';
+    }
+
+    /**
+     * Check if request is PUT request
+     *
+     * @return boolean
+     */
+    public function isPutRequest()
+    {
+        return $this->getRequest()->getMethod() === 'PUT';
+    }
+
+    /**
+     * Check if request is DELETE request
+     *
+     * @return boolean
+     */
+    public function isDeleteRequest()
+    {
+        return $this->getRequest()->getMethod() === 'DELETE';
+    }
+    
+    /**
+     * Check if request is HEAD request
+     *
+     * @return boolean
+     */
+    public function isHeadRequest()
+    {
+        return $this->getRequest()->getMethod() === 'HEAD';
+    }
+    
+
+    /**
+     * Returns the HTTP referer if it is on the current host
+     *
+     * @return string
+     */
+    public function getLocalReferer()
+    {
+        $request = $this->getRequest();
+        $referer = $request->getHeaderLine('HTTP_REFERER');
+        $host = $request->getHeaderLine('HTTP_HOST');
+
+        return $referer && parse_url($referer, PHP_URL_HOST) === $host ? $referer : '';
+    }
+}
+\ No newline at end of file