35 lines
1,009 B
Go
35 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)
|
||
|
}
|