mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-25 09:40:13 +08:00
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
// Copyright 2015 Light Code Labs, LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Package extensions contains middleware for clean URLs.
|
|
//
|
|
// The root path of the site is passed in as well as possible extensions
|
|
// to try internally for paths requested that don't match an existing
|
|
// resource. The first path+ext combination that matches a valid file
|
|
// will be used.
|
|
package extensions
|
|
|
|
import (
|
|
"net/http"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/caddyserver/caddy/caddyhttp/httpserver"
|
|
)
|
|
|
|
// Ext can assume an extension from clean URLs.
|
|
// It tries extensions in the order listed in Extensions.
|
|
type Ext struct {
|
|
// Next handler in the chain
|
|
Next httpserver.Handler
|
|
|
|
// Path to site root
|
|
Root string
|
|
|
|
// List of extensions to try
|
|
Extensions []string
|
|
}
|
|
|
|
// ServeHTTP implements the httpserver.Handler interface.
|
|
func (e Ext) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
|
|
urlpath := strings.TrimSuffix(r.URL.Path, "/")
|
|
if len(r.URL.Path) > 0 && path.Ext(urlpath) == "" && r.URL.Path[len(r.URL.Path)-1] != '/' {
|
|
for _, ext := range e.Extensions {
|
|
_, err := os.Stat(httpserver.SafePath(e.Root, urlpath) + ext)
|
|
if err == nil {
|
|
r.URL.Path = urlpath + ext
|
|
break
|
|
}
|
|
}
|
|
}
|
|
return e.Next.ServeHTTP(w, r)
|
|
}
|