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i18n.go
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i18n.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package i18n wraps go-i18n lib for manipulating bundles
package i18n
import (
"context"
"os"
"strings"
json "github.com/pydio/cells/x/jsonx"
"github.com/emicklei/go-restful"
"github.com/pydio/cells/common/auth/claim"
"github.com/pydio/cells/common/proto/idm"
"github.com/pydio/cells/common/utils/permissions"
"github.com/pydio/cells/x/configx"
)
var (
// AvailableLanguages stores a manually maintained maps with all languages
// that are currently supported by Cells front-end and can be chosen via the interface.
AvailableLanguages = map[string]string{
"de": "Deutsch",
"en-us": "English",
"es-es": "Español",
"fr": "Français",
"ja": "日本語", // Japanese
"it": "Italiano",
"lv": "Latv",
"pt-br": "Português do Brasil",
"ru": "русский", // Russian
"vi-vn": "Tiếng Việt", // Vietnamese
"zh-cn": "简体中文", // Chinese simplified
}
// LoadingStrings have to be hard-coded to be loaded first. When not defined, we fall back to "Loading..." message (in English).
LoadingStrings = map[string]string{
"ar": "نحميل...",
"de": "Wird geladen...",
"en-us": "Loading...",
"es-en": "Cargando...",
"fr": "Chargement...",
"fr-ca": "Chargement...",
"it": "Caricamento...",
"ja": "読み込んでいます...",
"ko": "로드 중 ...",
"lv": "Ielādē...",
"nl": "Bezig met laden...",
"pt-br": "Carregando...",
"pt-pt": "Carregando...",
"ru": "Загружается ...",
"sv-se": "Läser in...",
"vi-vn": "Đang tải...",
"zh-cn": "载入中...",
"zh-tw": "載入中...",
}
// WipLanguages lists languages that are only partially translated and only exposed
// in the end-user web UI when CELLS_ENABLE_WIP_LANGUAGES env variable is set to true.
WipLanguages = map[string]string{
"ar": "عربى", // Arabic
"fr-ca": "Canadien",
"ko": "한국어",
"nl": "Nederlands",
"pt-pt": "Português",
"sv-se": "Svenska", // Swedish
"zh-tw": "中國傳統的", // Chinese traditional
}
LanguagesLegacyNames = map[string]string{
"en": "en-us",
"fr": "fr",
"es": "es-es",
"it": "it",
"pt": "pt-pt",
"pt-br": "pt-br",
"de": "de",
// Archived languages, partially supported
"ru": "ru",
"ca": "ca",
"cs": "cs",
"da": "da",
"et": "et",
"fi": "fi",
"he": "he",
"hu": "hu",
"ja": "ja",
"ko": "ko",
"nl": "nl",
"nn": "nn-no",
"pl": "pl",
"si": "sl",
"sv": "sv-se",
"tr": "tr",
"zh-cn": "zh-cn",
"zh-tw": "zh-tw",
}
)
func init() {
if os.Getenv("CELLS_ENABLE_WIP_LANGUAGES") == "true" {
for k, v := range WipLanguages {
AvailableLanguages[k] = v
}
}
}
// GetDefaultLanguage reads default language from config
func GetDefaultLanguage(conf configx.Values) string {
return conf.Val("frontend", "plugin", "core.pydio", "DEFAULT_LANGUAGE").Default("en-us").String()
}
// UserLanguagesFromRestRequest tries to find user language from various sources:
// X-Pydio-Language header, user language inside the system (set via roles), or Accept-Language
// standard header.
func UserLanguagesFromRestRequest(req *restful.Request, conf configx.Values) []string {
pydioLang := req.HeaderParameter("X-Pydio-Language")
if pydioLang != "" {
return []string{pydioLang}
}
claimsLang := UserLanguageFromContext(req.Request.Context(), conf, false)
if claimsLang != "" {
return []string{claimsLang}
}
browserLangs := strings.Split(req.HeaderParameter("Accept-Language"), ",")
if len(browserLangs) > 0 {
return browserLangs
}
return []string{GetDefaultLanguage(conf)}
}
// UserLanguageFromContext tries to find Claims in context and get the language for the corresponding user.
// If nothing is found, if returnDefault is true it returns the global default language, otherwise it returns an empty string.
func UserLanguageFromContext(ctx context.Context, conf configx.Values, returnDefault bool) string {
if claimVal := ctx.Value(claim.ContextKey); claimVal != nil {
claims := claimVal.(claim.Claims)
u := &idm.User{Login: claims.Name}
for _, role := range strings.Split(claims.Roles, ",") {
u.Roles = append(u.Roles, &idm.Role{Uuid: role})
}
return UserLanguage(ctx, u, conf)
}
if returnDefault {
return GetDefaultLanguage(conf)
} else {
return ""
}
}
// UserLanguage looks for the user roles and check if a language
// parameter is set (starting from the last). Otherwise returns the
// default language from config
func UserLanguage(ctx context.Context, user *idm.User, conf configx.Values) string {
var defaultLanguage = GetDefaultLanguage(conf)
if len(user.Roles) == 0 {
return defaultLanguage
}
// from last to first, try to find the "parameter:core.conf:lang" action
langActions := permissions.GetACLsForRoles(ctx, user.Roles, &idm.ACLAction{Name: "parameter:core.conf:lang"})
if len(langActions) == 0 {
return defaultLanguage
}
var lang string
for i := len(user.Roles) - 1; i >= 0; i-- {
for _, a := range langActions {
if a.RoleID == user.Roles[i].Uuid && a.Action.Value != "-1" {
if e := json.Unmarshal([]byte(a.Action.Value), &lang); e == nil {
return lang
}
}
}
}
return defaultLanguage
}