add is_i2p

libi2pd/HTTP.cpp

@@ -195,6 +195,11 @@ namespace http {
     return out;
   }
 
+	bool URL::is_i2p() const
+	{
+		return host.rfind(".i2p") == ( host.size() - 4 );
+	}
+
   void HTTPMsg::add_header(const char *name, std::string & value, bool replace) {
     add_header(name, value.c_str(), replace);
   }

libi2pd/HTTP.h

@@ -56,6 +56,11 @@ namespace http
      * @note Returns relative url if schema if empty, absolute url otherwise
      */
     std::string to_string ();
+
+    /**
+     * @brief return true if the host is inside i2p
+     */
+    bool is_i2p() const;
   };
 
   struct HTTPMsg