Require POST for sending forms

* Ensure that the form is submitted with a post request
* Replaced several links with forms

Closes #494 (Security Vulnerability)

1 files changed, 13 insertions, 0 deletions

diff --git a/src/Http/Request.php b/src/Http/Request.php
index 4729606f..0d8d28b4 100644
--- a/src/Http/Request.php
+++ b/src/Http/Request.php
@@ -52,6 +52,19 @@ class Request extends SymfonyRequest implements ServerRequestInterface
     }
 
     /**
+     * Checks if the POST data exists
+     *
+     * @param string $key
+     * @return bool
+     */
+    public function hasPostData($key)
+    {
+        $value = $this->postData($key);
+
+        return !is_null($value);
+    }
+
+    /**
      * Get the requested path
      *
      * @return string