mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-08-22 23:51:36 +02:00
Close #24062 At the beginning, I just wanted to fix the warning mentioned by #24062 But, the cookie code really doesn't look good to me, so clean up them. Complete the TODO on `SetCookie`: > TODO: Copied from gitea.com/macaron/macaron and should be improved after macaron removed.
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"code.gitea.io/gitea/modules/translation"
|
|
"code.gitea.io/gitea/modules/translation/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")
|
|
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 changes the supported language list.
|
|
if lang != "" && !i18n.DefaultLocales.HasLang(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 {
|
|
SetLocaleCookie(resp, lang, 1<<31-1)
|
|
}
|
|
|
|
return translation.NewLocale(lang)
|
|
}
|
|
|
|
// SetLocaleCookie convenience function to set the locale cookie consistently
|
|
func SetLocaleCookie(resp http.ResponseWriter, lang string, maxAge int) {
|
|
SetSiteCookie(resp, "lang", lang, maxAge)
|
|
}
|
|
|
|
// DeleteLocaleCookie convenience function to delete the locale cookie consistently
|
|
// Setting the lang cookie will trigger the middleware to reset the language to previous state.
|
|
func DeleteLocaleCookie(resp http.ResponseWriter) {
|
|
SetSiteCookie(resp, "lang", "", -1)
|
|
}
|