First commit

backend/middlewares/auth.go

@@ -0,0 +1,30 @@
+package middlewares
+
+import (
+	"backend/utils"
+	"errors"
+	"net/http"
+	"strings"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+func Authenticate(handle httprouter.Handle) httprouter.Handle {
+	return func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
+		reqToken := request.Header.Get("Authorization")
+		splitToken := strings.Split(reqToken, "Bearer ")
+		if len(splitToken) < 2 {
+			utils.JSONErrorOutput(writer, http.StatusUnauthorized, errors.New("no token received").Error())
+			return
+		}
+		tokenString := splitToken[1]
+
+		err := utils.ValidateToken(tokenString)
+		if err != nil {
+			utils.JSONErrorOutput(writer, http.StatusUnauthorized, err.Error())
+			return
+		}
+
+		handle(writer, request, params)
+	}
+}