wireguard-ui/handler/middlewares.go

25 lines
696 B
Go

package handler
import (
"mime"
"net/http"
"strings"
"github.com/labstack/echo/v4"
)
// ContentTypeJson checks that requests use application/json (including charset variants such as application/json; charset=UTF-8).
func ContentTypeJson(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
raw := strings.TrimSpace(c.Request().Header.Get("Content-Type"))
if raw == "" {
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Only JSON allowed"})
}
mt, _, err := mime.ParseMediaType(raw)
if err != nil || mt != "application/json" {
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Only JSON allowed"})
}
return next(c)
}
}