35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
package redirect
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import (
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"context"
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"errors"
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"net/http"
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"github.com/traefik/traefik/v2/pkg/config/dynamic"
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"github.com/traefik/traefik/v2/pkg/log"
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"github.com/traefik/traefik/v2/pkg/middlewares"
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)
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const (
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typeSchemeName = "RedirectScheme"
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schemeRedirectRegex = `^(https?:\/\/)?(\[[\w:.]+\]|[\w\._-]+)?(:\d+)?(.*)$`
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)
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// NewRedirectScheme creates a new RedirectScheme middleware.
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func NewRedirectScheme(ctx context.Context, next http.Handler, conf dynamic.RedirectScheme, name string) (http.Handler, error) {
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logger := log.FromContext(middlewares.GetLoggerCtx(ctx, name, typeSchemeName))
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logger.Debug("Creating middleware")
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logger.Debugf("Setting up redirection to %s %s", conf.Scheme, conf.Port)
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if len(conf.Scheme) == 0 {
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return nil, errors.New("you must provide a target scheme")
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}
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port := ""
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if len(conf.Port) > 0 && !(conf.Scheme == "http" && conf.Port == "80" || conf.Scheme == "https" && conf.Port == "443") {
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port = ":" + conf.Port
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}
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return newRedirect(next, schemeRedirectRegex, conf.Scheme+"://${2}"+port+"${4}", conf.Permanent, name)
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}
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