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mirror of https://github.com/zitadel/zitadel.git synced 2024-12-22 15:57:34 +00:00
Max Peintner b432cf4963
fix(login): use label policy settings for favicon, translate titles ()
* fix: render favicon from label policy

* translate main title

* translation

* i18n

* i18n

* i18nkey

* rm attr

* select user title

* Add description meta

* Update internal/api/ui/login/mfa_init_verify_handler.go

Co-authored-by: Livio Spring <livio.a@gmail.com>

* Update internal/api/ui/login/renderer.go

Co-authored-by: Livio Spring <livio.a@gmail.com>

* merge ifs

* use errors.internal

* check for i18ndescriptionkey

* missing i18n

Co-authored-by: Livio Spring <livio.a@gmail.com>
2022-11-07 08:55:12 +00:00

215 lines
5.9 KiB
Go

package i18n
import (
"context"
"encoding/json"
"io/ioutil"
"net/http"
"os"
"strings"
"github.com/BurntSushi/toml"
"github.com/grpc-ecosystem/go-grpc-middleware/util/metautils"
"github.com/nicksnyder/go-i18n/v2/i18n"
"github.com/zitadel/logging"
"golang.org/x/text/language"
"sigs.k8s.io/yaml"
"github.com/zitadel/zitadel/internal/api/authz"
http_util "github.com/zitadel/zitadel/internal/api/http"
"github.com/zitadel/zitadel/internal/errors"
)
const (
i18nPath = "/i18n"
)
type Translator struct {
bundle *i18n.Bundle
cookieName string
cookieHandler *http_util.CookieHandler
preferredLanguages []string
}
type TranslatorConfig struct {
DefaultLanguage language.Tag
CookieName string
}
type Message struct {
ID string
Text string
}
func NewTranslator(dir http.FileSystem, defaultLanguage language.Tag, cookieName string) (*Translator, error) {
t := new(Translator)
var err error
t.bundle, err = newBundle(dir, defaultLanguage)
if err != nil {
return nil, err
}
t.cookieHandler = http_util.NewCookieHandler()
t.cookieName = cookieName
return t, nil
}
func newBundle(dir http.FileSystem, defaultLanguage language.Tag) (*i18n.Bundle, error) {
bundle := i18n.NewBundle(defaultLanguage)
bundle.RegisterUnmarshalFunc("yaml", func(data []byte, v interface{}) error { return yaml.Unmarshal(data, v) })
bundle.RegisterUnmarshalFunc("json", json.Unmarshal)
bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
i18nDir, err := dir.Open(i18nPath)
if err != nil {
return nil, errors.ThrowNotFound(err, "I18N-MnXRie", "path not found")
}
defer i18nDir.Close()
files, err := i18nDir.Readdir(0)
if err != nil {
return nil, errors.ThrowNotFound(err, "I18N-Gew23", "cannot read dir")
}
for _, file := range files {
if err := addFileFromFileSystemToBundle(dir, bundle, file); err != nil {
return nil, errors.ThrowNotFoundf(err, "I18N-ZS2AW", "cannot append file %s to Bundle", file.Name())
}
}
return bundle, nil
}
func addFileFromFileSystemToBundle(dir http.FileSystem, bundle *i18n.Bundle, file os.FileInfo) error {
f, err := dir.Open("/i18n/" + file.Name())
if err != nil {
return err
}
defer f.Close()
content, err := ioutil.ReadAll(f)
if err != nil {
return err
}
_, err = bundle.ParseMessageFileBytes(content, file.Name())
return err
}
func SupportedLanguages(dir http.FileSystem) ([]language.Tag, error) {
i18nDir, err := dir.Open("/i18n")
if err != nil {
return nil, errors.ThrowNotFound(err, "I18N-Dbt42", "cannot open dir")
}
defer i18nDir.Close()
files, err := i18nDir.Readdir(0)
if err != nil {
return nil, errors.ThrowNotFound(err, "I18N-Gh4zk", "cannot read dir")
}
languages := make([]language.Tag, 0, len(files))
for _, file := range files {
lang := language.Make(strings.TrimSuffix(file.Name(), ".yaml"))
if lang != language.Und {
languages = append(languages, lang)
}
}
return languages, nil
}
func (t *Translator) SupportedLanguages() []language.Tag {
return t.bundle.LanguageTags()
}
func (t *Translator) AddMessages(tag language.Tag, messages ...Message) error {
if len(messages) == 0 {
return nil
}
i18nMessages := make([]*i18n.Message, len(messages))
for i, message := range messages {
i18nMessages[i] = &i18n.Message{
ID: message.ID,
Other: message.Text,
}
}
return t.bundle.AddMessages(tag, i18nMessages...)
}
func (t *Translator) LocalizeFromRequest(r *http.Request, id string, args map[string]interface{}) string {
return localize(t.localizerFromRequest(r), id, args)
}
func (t *Translator) LocalizeFromCtx(ctx context.Context, id string, args map[string]interface{}) string {
return localize(t.localizerFromCtx(ctx), id, args)
}
func (t *Translator) Localize(id string, args map[string]interface{}, langs ...string) string {
return localize(t.localizer(langs...), id, args)
}
func (t *Translator) LocalizeWithoutArgs(id string, langs ...string) string {
return localize(t.localizer(langs...), id, map[string]interface{}{})
}
func (t *Translator) Lang(r *http.Request) language.Tag {
matcher := language.NewMatcher(t.bundle.LanguageTags())
tag, _ := language.MatchStrings(matcher, t.langsFromRequest(r)...)
return tag
}
func (t *Translator) SetLangCookie(w http.ResponseWriter, r *http.Request, lang language.Tag) {
t.cookieHandler.SetCookie(w, t.cookieName, r.Host, lang.String())
}
func (t *Translator) localizerFromRequest(r *http.Request) *i18n.Localizer {
return t.localizer(t.langsFromRequest(r)...)
}
func (t *Translator) localizerFromCtx(ctx context.Context) *i18n.Localizer {
return t.localizer(t.langsFromCtx(ctx)...)
}
func (t *Translator) localizer(langs ...string) *i18n.Localizer {
return i18n.NewLocalizer(t.bundle, langs...)
}
func (t *Translator) langsFromRequest(r *http.Request) []string {
langs := t.preferredLanguages
if r != nil {
lang, err := t.cookieHandler.GetCookieValue(r, t.cookieName)
if err == nil {
langs = append(langs, lang)
}
langs = append(langs, r.Header.Get("Accept-Language"))
}
return langs
}
func (t *Translator) langsFromCtx(ctx context.Context) []string {
langs := t.preferredLanguages
if ctx != nil {
ctxData := authz.GetCtxData(ctx)
if ctxData.PreferredLanguage != language.Und.String() {
langs = append(langs, authz.GetCtxData(ctx).PreferredLanguage)
}
langs = append(langs, getAcceptLanguageHeader(ctx))
}
return langs
}
func (t *Translator) SetPreferredLanguages(langs ...string) {
t.preferredLanguages = langs
}
func getAcceptLanguageHeader(ctx context.Context) string {
acceptLanguage := metautils.ExtractIncoming(ctx).Get("accept-language")
if acceptLanguage != "" {
return acceptLanguage
}
return metautils.ExtractIncoming(ctx).Get("grpcgateway-accept-language")
}
func localize(localizer *i18n.Localizer, id string, args map[string]interface{}) string {
s, err := localizer.Localize(&i18n.LocalizeConfig{
MessageID: id,
TemplateData: args,
})
if err != nil {
logging.WithFields("id", id, "args", args).WithError(err).Warnf("missing translation")
return id
}
return s
}