mirror of
https://github.com/go-gitea/gitea.git
synced 2025-10-29 10:57:44 +09:00
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"code.gitea.io/gitea/modules/translation"
|
|
|
|
"github.com/unknwon/i18n"
|
|
"golang.org/x/text/language"
|
|
)
|
|
|
|
// Locale handle locale
|
|
func Locale(resp http.ResponseWriter, req *http.Request) translation.Locale {
|
|
// 1. Check URL arguments.
|
|
lang := req.URL.Query().Get("lang")
|
|
var changeLang = lang != ""
|
|
|
|
// 2. Get language information from cookies.
|
|
if len(lang) == 0 {
|
|
ck, _ := req.Cookie("lang")
|
|
if ck != nil {
|
|
lang = ck.Value
|
|
}
|
|
}
|
|
|
|
// Check again in case someone modify by purpose.
|
|
if lang != "" && !i18n.IsExist(lang) {
|
|
lang = ""
|
|
changeLang = false
|
|
}
|
|
|
|
// 3. Get language information from 'Accept-Language'.
|
|
// The first element in the list is chosen to be the default language automatically.
|
|
if len(lang) == 0 {
|
|
tags, _, _ := language.ParseAcceptLanguage(req.Header.Get("Accept-Language"))
|
|
tag, _, _ := translation.Match(tags...)
|
|
lang = tag.String()
|
|
}
|
|
|
|
if changeLang {
|
|
SetCookie(resp, "lang", lang, 1<<31-1)
|
|
}
|
|
|
|
return translation.NewLocale(lang)
|
|
}
|