traefik/middlewares/redirect/redirect_scheme.go
Gérald Croës a433e469cc SchemeRedirect Middleware
Co-authored-by: jbdoumenjou <jb.doumenjou@gmail.com>
2019-01-22 08:30:04 +01:00

34 lines
1,009 B
Go

package redirect
import (
"context"
"net/http"
"github.com/containous/traefik/middlewares"
"github.com/pkg/errors"
"github.com/containous/traefik/config"
)
const (
typeSchemeName = "RedirectScheme"
schemeRedirectRegex = `^(https?:\/\/)?([\w\._-]+)(:\d+)?(.*)$`
)
// NewRedirectScheme creates a new RedirectScheme middleware.
func NewRedirectScheme(ctx context.Context, next http.Handler, conf config.RedirectScheme, name string) (http.Handler, error) {
logger := middlewares.GetLogger(ctx, name, typeSchemeName)
logger.Debug("Creating middleware")
logger.Debugf("Setting up redirection to %s %s", conf.Scheme, conf.Port)
if len(conf.Scheme) == 0 {
return nil, errors.New("you must provide a target scheme")
}
port := ""
if len(conf.Port) > 0 && !(conf.Scheme == "http" && conf.Port == "80" || conf.Scheme == "https" && conf.Port == "443") {
port = ":" + conf.Port
}
return newRedirect(ctx, next, schemeRedirectRegex, conf.Scheme+"://${2}"+port+"${4}", conf.Permanent, name)
}