/
rewrite.go
53 lines (43 loc) · 1.38 KB
/
rewrite.go
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package ingress
import (
"github.com/caddyserver/caddy/v2/caddyconfig"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/caddyserver/caddy/v2/modules/caddyhttp/rewrite"
"github.com/caddyserver/ingress/pkg/converter"
)
type RewritePlugin struct{}
func (p RewritePlugin) IngressPlugin() converter.PluginInfo {
return converter.PluginInfo{
Name: "ingress.rewrite",
Priority: 10,
New: func() converter.Plugin { return new(RewritePlugin) },
}
}
// IngressHandler Converts rewrite annotations to rewrite handler
func (p RewritePlugin) IngressHandler(input converter.IngressMiddlewareInput) (*caddyhttp.Route, error) {
ing := input.Ingress
rewriteTo := getAnnotation(ing, rewriteToAnnotation)
if rewriteTo != "" {
handler := caddyconfig.JSONModuleObject(
rewrite.Rewrite{URI: rewriteTo},
"handler", "rewrite", nil,
)
input.Route.HandlersRaw = append(input.Route.HandlersRaw, handler)
}
rewriteStripPrefix := getAnnotation(ing, rewriteStripPrefixAnnotation)
if rewriteStripPrefix != "" {
handler := caddyconfig.JSONModuleObject(
rewrite.Rewrite{StripPathPrefix: rewriteStripPrefix},
"handler", "rewrite", nil,
)
input.Route.HandlersRaw = append(input.Route.HandlersRaw, handler)
}
return input.Route, nil
}
func init() {
converter.RegisterPlugin(RewritePlugin{})
}
// Interface guards
var (
_ = converter.IngressMiddleware(RewritePlugin{})
)