headers: add csrf (#35)

src/headers/csrfHeader.hpp

@@ -0,0 +1,24 @@
+#include <pistache/http_headers.h>
+#include <pistache/net.h>
+
+class XCSRFTokenHeader : public Pistache::Http::Header::Header {
+  public:
+    NAME("X-Csrf-Token");
+
+    XCSRFTokenHeader() = default;
+
+    void parse(const std::string& str) override {
+        m_data = str;
+    }
+
+    void write(std::ostream& os) const override {
+        os << m_data;
+    }
+
+    std::string ip() const {
+        return m_data;
+    }
+
+  private:
+    std::string m_data = "";
+};