refactor: fix typos.

refactor: typo in whitelister file name.

middlewares/ip_witelister.go

@@ -1,84 +0,0 @@
-package middlewares
-
-import (
-	"fmt"
-	"net"
-	"net/http"
-
-	"github.com/codegangsta/negroni"
-	"github.com/containous/traefik/log"
-	"github.com/pkg/errors"
-)
-
-// IPWhitelister is a middleware that provides Checks of the Requesting IP against a set of Whitelists
-type IPWhitelister struct {
-	handler    negroni.Handler
-	whitelists []*net.IPNet
-}
-
-// NewIPWhitelister builds a new IPWhitelister given a list of CIDR-Strings to whitelist
-func NewIPWhitelister(whitelistStrings []string) (*IPWhitelister, error) {
-	whitelister := IPWhitelister{}
-
-	if len(whitelistStrings) == 0 {
-		return nil, errors.New("no whitelists provided")
-	}
-
-	for _, whitelistString := range whitelistStrings {
-		_, whitelist, err := net.ParseCIDR(whitelistString)
-		if err != nil {
-			return nil, fmt.Errorf("parsing CIDR whitelist %s: %v", whitelist, err)
-		}
-		whitelister.whitelists = append(whitelister.whitelists, whitelist)
-	}
-
-	whitelister.handler = negroni.HandlerFunc(whitelister.handle)
-	log.Debugf("configured %u IP whitelists: %s", len(whitelister.whitelists), whitelister.whitelists)
-
-	return &whitelister, nil
-}
-
-func (whitelister *IPWhitelister) handle(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
-	remoteIP, err := ipFromRemoteAddr(r.RemoteAddr)
-	if err != nil {
-		log.Warnf("unable to parse remote-address from header: %s - rejecting", r.RemoteAddr)
-		reject(w)
-		return
-	}
-
-	for _, whitelist := range whitelister.whitelists {
-		if whitelist.Contains(*remoteIP) {
-			log.Debugf("source-IP %s matched whitelist %s - passing", remoteIP, whitelist)
-			next.ServeHTTP(w, r)
-			return
-		}
-	}
-
-	log.Debugf("source-IP %s matched none of the whitelists - rejecting", remoteIP)
-	reject(w)
-	return
-}
-
-func reject(w http.ResponseWriter) {
-	statusCode := http.StatusForbidden
-
-	w.WriteHeader(statusCode)
-	w.Write([]byte(http.StatusText(statusCode)))
-}
-func ipFromRemoteAddr(addr string) (*net.IP, error) {
-	ip, _, err := net.SplitHostPort(addr)
-	if err != nil {
-		return nil, fmt.Errorf("can't extract IP/Port from address %s: %s", addr, err)
-	}
-
-	userIP := net.ParseIP(ip)
-	if userIP == nil {
-		return nil, fmt.Errorf("can't parse IP from address %s", ip)
-	}
-
-	return &userIP, nil
-}
-
-func (whitelister *IPWhitelister) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
-	whitelister.handler.ServeHTTP(rw, r, next)
-}