app/server/middleware.go

package server

import (
	"fmt"
	"net"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/rs/zerolog"
	"kumoly.io/kumoly/app/errors"
	"kumoly.io/kumoly/app/util"
)

func (srv *Service) Default(c *gin.Context) {
	path := c.Request.URL.Path
	start := time.Now()
	defer func() {
		var cl *zerolog.Event
		err := recover()
		if err != nil {
			cl = srv.l.Error()
			switch v := err.(type) {
			case errors.Error:
				c.AbortWithStatusJSON(v.Code, v)
				cl.Err(v)
			case error:
				c.String(500, v.Error())
				c.Abort()
				cl.Err(v)
			default:
				c.String(500, fmt.Sprint(err))
				c.Abort()
				cl.Str("error", fmt.Sprint(err))
			}
			if !util.PROD {
				cl.Caller(4)
				// cl.Str("trace", util.Stack())
			}
		} else if c.Writer.Status() >= 400 {
			cl = srv.l.Error().Strs("error", c.Errors.Errors())
		} else {
			cl = srv.l.Info()
		}
		if srv.SkipLog != nil && srv.SkipLog(c) {
			return
		}
		if usr, ok := c.Get("user"); ok {
			cl.Str("user", usr.(string))
		}
		cl.
			Str("method", c.Request.Method).
			Str("ip", c.ClientIP()).
			Int("status", c.Writer.Status()).
			Dur("duration", time.Since(start)).
			Str("url", path).
			Msg("")
	}()
	if srv.Allow != nil {
		if !srv.Allow.Contains(net.ParseIP(c.ClientIP())) {
			panic(errors.ErrorForbidden)
		}
	}
	c.Next()
}