mirror of
https://github.com/idanoo/autobrr
synced 2025-07-24 09:19:13 +00:00
0391629862
* chore: update copyright year in license headers * Revert "chore: update copyright year in license headers" This reverts commit 3e58129c431b9a491089ce36b908f9bb6ba38ed3. * chore: update copyright year in license headers * fix: sort go imports * fix: add missing license headers
265 lines
6.6 KiB
Go
265 lines
6.6 KiB
Go
// Copyright (c) 2021 - 2025, Ludvig Lundgren and the autobrr contributors.
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
package http
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"html/template"
|
|
"io"
|
|
"io/fs"
|
|
"net/http"
|
|
"os"
|
|
filePath "path"
|
|
"strings"
|
|
|
|
"github.com/go-chi/chi/v5"
|
|
"github.com/rs/zerolog"
|
|
)
|
|
|
|
type webHandler struct {
|
|
log zerolog.Logger
|
|
embedFS fs.FS
|
|
baseUrl string
|
|
assetBaseURL string
|
|
version string
|
|
files map[string]string
|
|
}
|
|
|
|
func newWebHandler(log zerolog.Logger, embedFS fs.FS, version, baseURL, assetBaseURL string) *webHandler {
|
|
return &webHandler{
|
|
log: log.With().Str("module", "web-assets").Logger(),
|
|
embedFS: embedFS,
|
|
baseUrl: baseURL,
|
|
assetBaseURL: assetBaseURL,
|
|
version: version,
|
|
files: make(map[string]string),
|
|
}
|
|
}
|
|
|
|
// registerAssets walks the FS Dist dir and registers each file as a route
|
|
func (h *webHandler) registerAssets(r *chi.Mux) {
|
|
err := fs.WalkDir(h.embedFS, ".", func(path string, d fs.DirEntry, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if d.IsDir() {
|
|
//h.log.Trace().Msgf("web assets: skip dir: %s", d.Name())
|
|
return nil
|
|
}
|
|
|
|
h.log.Trace().Msgf("web assets: found path: %s", path)
|
|
|
|
// ignore index.html, so we can render it as a template and inject variables
|
|
if path == "index.html" || path == "manifest.webmanifest" || path == ".gitkeep" {
|
|
return nil
|
|
}
|
|
|
|
// use old path.Join to not be os specific
|
|
FileFS(r, filePath.Join("/", path), path, h.embedFS)
|
|
|
|
h.files[path] = path
|
|
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
func (h *webHandler) RegisterRoutes(r *chi.Mux) {
|
|
h.registerAssets(r)
|
|
|
|
// Serve static files without a prefix
|
|
assets, err := fs.Sub(h.embedFS, "assets")
|
|
if err != nil {
|
|
h.log.Error().Err(err).Msg("could not load assets sub dir")
|
|
}
|
|
|
|
StaticFSNew(r, h.baseUrl, "/assets", assets)
|
|
|
|
p := IndexParams{
|
|
Title: "Dashboard",
|
|
Version: h.version,
|
|
BaseUrl: h.baseUrl,
|
|
AssetBaseUrl: h.assetBaseURL,
|
|
}
|
|
|
|
// serve on base route
|
|
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
|
if err := h.RenderIndex(w, p); err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
})
|
|
|
|
// handle manifest
|
|
r.Get("/manifest.webmanifest", func(w http.ResponseWriter, r *http.Request) {
|
|
if err := h.RenderManifest(w, p); err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
})
|
|
|
|
// handle all other routes
|
|
r.Get("/*", func(w http.ResponseWriter, r *http.Request) {
|
|
file := strings.TrimPrefix(r.RequestURI, h.baseUrl)
|
|
|
|
if strings.Contains(file, "favicon.ico") {
|
|
fsFile(w, r, "favicon.ico", h.embedFS)
|
|
return
|
|
}
|
|
|
|
if strings.Contains(file, "Inter-Variable.woff2") {
|
|
fsFile(w, r, "Inter-Variable.woff2", h.embedFS)
|
|
return
|
|
}
|
|
|
|
// if valid web route then serve html
|
|
if validWebRoute(file) || file == "index.html" {
|
|
if err := h.RenderIndex(w, p); err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
return
|
|
}
|
|
|
|
// if not valid web route then try and serve files
|
|
fsFile(w, r, file, h.embedFS)
|
|
})
|
|
}
|
|
|
|
func (h *webHandler) RenderIndex(w io.Writer, p IndexParams) error {
|
|
return h.parseIndex().Execute(w, p)
|
|
}
|
|
|
|
func (h *webHandler) parseIndex() *template.Template {
|
|
return template.Must(template.New("index.html").ParseFS(h.embedFS, "index.html"))
|
|
}
|
|
|
|
func (h *webHandler) RenderManifest(w io.Writer, p IndexParams) error {
|
|
return h.parseManifest().Execute(w, p)
|
|
}
|
|
|
|
func (h *webHandler) parseManifest() *template.Template {
|
|
return template.Must(template.New("manifest.webmanifest").ParseFS(h.embedFS, "manifest.webmanifest"))
|
|
}
|
|
|
|
func (h *webHandler) RenderFallbackIndex(w io.Writer) error {
|
|
p := IndexParams{
|
|
Title: "autobrr Dashboard",
|
|
Version: h.version,
|
|
BaseUrl: h.baseUrl,
|
|
AssetBaseUrl: h.assetBaseURL,
|
|
}
|
|
return h.parseFallbackIndex().Execute(w, p)
|
|
}
|
|
|
|
func (h *webHandler) parseFallbackIndex() *template.Template {
|
|
return template.Must(template.New("fallback-index").Parse(`<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>autobrr</title>
|
|
<style>
|
|
@media (prefers-color-scheme: dark) {
|
|
body {
|
|
color:#fff;
|
|
background:#333333
|
|
}
|
|
|
|
a {
|
|
color: #3d70ea
|
|
}
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<span>Must use base url: <a href="{{.BaseUrl}}">{{.BaseUrl}}</a></span>
|
|
</body>
|
|
</html>
|
|
`))
|
|
}
|
|
|
|
type defaultFS struct {
|
|
prefix string
|
|
fs fs.FS
|
|
}
|
|
|
|
type IndexParams struct {
|
|
Title string
|
|
Version string
|
|
BaseUrl string
|
|
AssetBaseUrl string
|
|
}
|
|
|
|
func (fs defaultFS) Open(name string) (fs.File, error) {
|
|
if fs.fs == nil {
|
|
return os.Open(name)
|
|
}
|
|
return fs.fs.Open(name)
|
|
}
|
|
|
|
// FileFS registers a new route with path to serve a file from the provided file system.
|
|
func FileFS(r *chi.Mux, path, file string, filesystem fs.FS) {
|
|
r.Get(path, StaticFileHandler(file, filesystem))
|
|
}
|
|
|
|
// StaticFileHandler creates a handler function to serve a file from the provided file system.
|
|
func StaticFileHandler(file string, filesystem fs.FS) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
fsFile(w, r, file, filesystem)
|
|
}
|
|
}
|
|
|
|
//// StaticFS registers a new route with path prefix to serve static files from the provided file system.
|
|
//func StaticFS(r *chi.Mux, pathPrefix string, filesystem fs.FS) {
|
|
// r.Handle(pathPrefix+"*", http.StripPrefix(pathPrefix, http.FileServer(http.FS(filesystem))))
|
|
//}
|
|
|
|
// StaticFSNew registers a new route with path prefix to serve static files from the provided file system.
|
|
func StaticFSNew(r *chi.Mux, baseUrl, pathPrefix string, filesystem fs.FS) {
|
|
r.Handle(pathPrefix+"*", http.StripPrefix(filePath.Join(baseUrl, pathPrefix), http.FileServer(http.FS(filesystem))))
|
|
}
|
|
|
|
// fsFile is a helper function to serve a file from the provided file system.
|
|
func fsFile(w http.ResponseWriter, r *http.Request, file string, filesystem fs.FS) {
|
|
f, err := filesystem.Open(file)
|
|
if err != nil {
|
|
http.Error(w, "File not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
defer f.Close()
|
|
|
|
stat, err := f.Stat()
|
|
if err != nil {
|
|
http.Error(w, "File not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
data, err := io.ReadAll(bufio.NewReader(f))
|
|
if err != nil {
|
|
http.Error(w, "Failed to read the file", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
reader := bytes.NewReader(data)
|
|
http.ServeContent(w, r, file, stat.ModTime(), reader)
|
|
}
|
|
|
|
var validWebRoutes = []string{"filters", "releases", "settings", "logs", "onboard", "login", "logout"}
|
|
|
|
func validWebRoute(route string) bool {
|
|
if route == "" || route == "/" {
|
|
return true
|
|
}
|
|
for _, valid := range validWebRoutes {
|
|
if strings.HasPrefix(route, valid) || strings.HasPrefix(route, "/"+valid) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|