refact: refactored api.rest module to use GIN and have better security (fixes #11)

modules/api_rest_security.go

@@ -0,0 +1,35 @@
+package modules
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/evilsocket/bettercap-ng/log"
+
+	"github.com/gin-gonic/gin"
+	"gopkg.in/unrolled/secure.v1"
+)
+
+func SecurityMiddleware() gin.HandlerFunc {
+	rules := secure.New(secure.Options{
+		FrameDeny:          true,
+		ContentTypeNosniff: true,
+		BrowserXssFilter:   true,
+		ReferrerPolicy:     "same-origin",
+	})
+
+	return func(c *gin.Context) {
+		err := rules.Process(c.Writer, c.Request)
+		if err != nil {
+			who := strings.Split(c.Request.RemoteAddr, ":")[0]
+			req := fmt.Sprintf("%s %s", c.Request.Method, c.Request.URL.Path)
+			log.Warning("%s > %s | Security exception: %s", who, req, err)
+			c.Abort()
+			return
+		}
+
+		if status := c.Writer.Status(); status > 300 && status < 399 {
+			c.Abort()
+		}
+	}
+}