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log.go
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/
log.go
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package middleware
import (
"net"
"time"
"github.com/labstack/echo"
"github.com/labstack/gommon/color"
)
func Log() echo.MiddlewareFunc {
return func(h echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
req := c.Request()
res := c.Response()
logger := c.Logger()
remoteAddr := req.RemoteAddress()
if ip := req.Header().Get(echo.XRealIP); ip != "" {
remoteAddr = ip
} else if ip = req.Header().Get(echo.XForwardedFor); ip != "" {
remoteAddr = ip
} else {
remoteAddr, _, _ = net.SplitHostPort(remoteAddr)
}
start := time.Now()
if err := h.Handle(c); err != nil {
c.Error(err)
}
stop := time.Now()
method := req.Method()
path := req.URL().Path()
if path == "" {
path = "/"
}
size := res.Size()
n := res.Status()
code := color.Green(n)
switch {
case n >= 500:
code = color.Red(n)
case n >= 400:
code = color.Yellow(n)
case n >= 300:
code = color.Cyan(n)
}
logger.Infof("%s %s %s %s %s %d", remoteAddr, method, path, code, stop.Sub(start), size)
return nil
}
}
}