88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
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package server
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import (
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"embed"
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"errors"
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"fmt"
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"io/fs"
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"net/http"
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"github.com/valyala/fasthttp"
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"github.com/valyala/fasthttp/fasthttpadaptor"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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//go:embed locales
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var locales embed.FS
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//go:embed public_html
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var assets embed.FS
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func newPublicHTMLEmbeddedHandler() fasthttp.RequestHandler {
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embeddedPath, _ := fs.Sub(assets, "public_html")
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return fasthttpadaptor.NewFastHTTPHandler(http.FileServer(http.FS(embeddedPath)))
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}
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func newLocalesEmbeddedHandler() (handler fasthttp.RequestHandler) {
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var languages []string
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entries, err := locales.ReadDir("locales")
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if err == nil {
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for _, entry := range entries {
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if entry.IsDir() && len(entry.Name()) == 2 {
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languages = append(languages, entry.Name())
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}
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}
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}
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return func(ctx *fasthttp.RequestCtx) {
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var (
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language, variant, locale, namespace string
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)
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language = ctx.UserValue("language").(string)
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namespace = ctx.UserValue("namespace").(string)
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locale = language
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if v := ctx.UserValue("variant"); v != nil {
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variant = v.(string)
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locale = fmt.Sprintf("%s-%s", language, locale)
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}
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var data []byte
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if data, err = locales.ReadFile(fmt.Sprintf("locales/%s/%s.json", locale, namespace)); err != nil {
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if variant != "" && utils.IsStringInSliceFold(language, languages) {
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data = []byte("{}")
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}
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if len(data) == 0 {
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hfsHandleErr(ctx, err)
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return
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}
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}
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ctx.SetContentType("application/json")
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ctx.SetBody(data)
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}
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}
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func hfsHandleErr(ctx *fasthttp.RequestCtx, err error) {
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switch {
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case errors.Is(err, fs.ErrNotExist):
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writeStatus(ctx, fasthttp.StatusNotFound)
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case errors.Is(err, fs.ErrPermission):
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writeStatus(ctx, fasthttp.StatusForbidden)
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default:
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writeStatus(ctx, fasthttp.StatusInternalServerError)
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}
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}
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func writeStatus(ctx *fasthttp.RequestCtx, status int) {
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ctx.SetStatusCode(status)
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ctx.SetBodyString(fmt.Sprintf("%d %s", status, fasthttp.StatusMessage(status)))
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}
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