mirror of
https://github.com/mickael-kerjean/filestash.git
synced 2025-10-28 04:05:21 +08:00
546 lines
18 KiB
Go
546 lines
18 KiB
Go
package ctrl
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import (
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"bytes"
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"compress/gzip"
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_ "embed"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"io/fs"
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"net/http"
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"os"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"text/template"
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. "github.com/mickael-kerjean/filestash"
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. "github.com/mickael-kerjean/filestash/server/common"
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"github.com/bluekeyes/go-gitdiff/gitdiff"
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"github.com/google/brotli/go/cbrotli"
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)
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var (
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WWWDir fs.FS
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//go:embed static/404.html
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HtmlPage404 []byte
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//go:embed static/loader.html
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TmplLoader []byte
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)
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func init() {
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WWWDir = os.DirFS(GetAbsolutePath("../"))
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}
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func ServeBackofficeHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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url := req.URL.Path
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if filepath.Ext(filepath.Base(url)) != "" {
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req.URL.Path = strings.TrimPrefix(TrimBase(req.URL.Path), "/admin/")
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ServeFile("/")(ctx, res, req)
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return
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}
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if url != URL_SETUP && Config.Get("auth.admin").String() == "" {
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http.Redirect(res, req, URL_SETUP, http.StatusTemporaryRedirect)
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return
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}
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ServeIndex("index.backoffice.html")(ctx, res, req)
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return
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}
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func ServeFrontofficeHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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ua := req.Header.Get("User-Agent")
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if strings.Contains(ua, "MSIE ") || strings.Contains(ua, "Trident/") || strings.Contains(ua, "Edge/") {
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// Microsoft is behaving on many occasion differently than Firefox / Chrome.
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// I have neither the time / motivation for it to work properly
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res.WriteHeader(http.StatusBadRequest)
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res.Write([]byte(Page(`
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<h1>Internet explorer is not supported</h1>
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<p>
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We don't support IE / Edge at this time
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<br>
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Please use either Chromium, Firefox or Chrome
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</p>
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`)))
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return
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}
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url := TrimBase(req.URL.Path)
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if url != "/" && strings.HasPrefix(url, "/s/") == false &&
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strings.HasPrefix(url, "/view/") == false && strings.HasPrefix(url, "/files/") == false &&
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url != "/login" && url != "/logout" && strings.HasPrefix(url, "/tags") == false {
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NotFoundHandler(ctx, res, req)
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return
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}
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if url != URL_SETUP && Config.Get("auth.admin").String() == "" {
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http.Redirect(res, req, URL_SETUP, http.StatusTemporaryRedirect)
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return
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}
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ServeIndex("index.frontoffice.html")(ctx, res, req)
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}
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func ServeFavicon(ctx *App, res http.ResponseWriter, req *http.Request) {
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r, _ := http.NewRequest(http.MethodGet, "/favicon.svg", nil)
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ServeFile("/assets/logo/")(ctx, res, r)
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}
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func NotFoundHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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if strings.Contains(req.Header.Get("accept"), "text/html") {
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res.WriteHeader(http.StatusNotFound)
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res.Write(HtmlPage404)
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return
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}
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SendErrorResult(res, ErrNotFound)
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}
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func ManifestHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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res.WriteHeader(http.StatusOK)
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res.Write([]byte(fmt.Sprintf(`{
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"name": "%s",
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"short_name": "%s",
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"icons": [
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{
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"src": "/assets/logo/android-chrome-192x192.png",
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"type": "image/png",
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"sizes": "192x192"
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},
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{
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"src": "/assets/logo/android-chrome-512x512.png",
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"type": "image/png",
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"sizes": "512x512"
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}
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],
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"theme_color": "#f2f3f5",
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"background_color": "#f2f3f5",
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"orientation": "any",
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"display": "standalone",
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"start_url": "/"
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}`, Config.Get("general.name"), Config.Get("general.name"))))
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}
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func RobotsHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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res.Write([]byte(""))
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}
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func CustomCssHandler(ctx *App, res http.ResponseWriter, req *http.Request) {
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res.Header().Set("Content-Type", "text/css")
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io.WriteString(res, Hooks.Get.CSS())
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io.WriteString(res, Config.Get("general.custom_css").String())
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}
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func ServeFile(chroot string) func(*App, http.ResponseWriter, *http.Request) {
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return func(ctx *App, res http.ResponseWriter, req *http.Request) {
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filePath := JoinPath(
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chroot,
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strings.Replace(
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TrimBase(req.URL.Path),
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"assets/"+BUILD_REF+"/",
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"assets/",
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1,
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),
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)
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head := res.Header()
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head.Set("Cache-Control", "no-cache")
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if f := applyPatch(filePath); f != nil {
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head.Set("Content-Type", GetMimeType(filepath.Ext(filePath)))
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res.WriteHeader(http.StatusOK)
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res.Write(f.Bytes())
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return
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}
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// case: main path
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acceptEncoding := req.Header.Get("Accept-Encoding")
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staticConfig := []struct {
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ContentType string
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FileExt string
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}{
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{"br", ".br"},
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{"gzip", ".gz"},
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{"", ""},
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}
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for _, cfg := range staticConfig {
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if strings.Contains(acceptEncoding, cfg.ContentType) == false {
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continue
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}
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curPath := filePath + cfg.FileExt
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file, err := WWWPublic.Open(curPath)
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if err != nil {
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continue
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} else if stat, err := file.Stat(); err == nil {
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etag := QuickHash(fmt.Sprintf(
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"%s %d %d %s",
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curPath, stat.Size(), stat.Mode(), stat.ModTime()), 10,
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)
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if etag == req.Header.Get("If-None-Match") {
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res.WriteHeader(http.StatusNotModified)
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return
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}
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head.Set("Etag", etag)
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}
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head.Set("Content-Type", GetMimeType(filepath.Ext(filePath)))
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if cfg.ContentType != "" {
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head.Set("Content-Encoding", cfg.ContentType)
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}
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res.WriteHeader(http.StatusOK)
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io.Copy(res, file)
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file.Close()
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return
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}
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http.NotFound(res, req)
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}
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}
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func ServeIndex(indexPath string) func(*App, http.ResponseWriter, *http.Request) {
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// STEP1: pull the data from the embed
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file, err := WWWPublic.Open(indexPath)
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if err != nil {
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return func(ctx *App, res http.ResponseWriter, req *http.Request) {
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http.NotFound(res, req)
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}
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}
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defer file.Close()
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// STEP2: compile the template
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b, err := io.ReadAll(file)
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if err != nil {
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return func(ctx *App, res http.ResponseWriter, req *http.Request) {
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SendErrorResult(res, err)
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}
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}
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tmpl := template.Must(template.New(indexPath).Funcs(template.FuncMap{
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"load_asset": func(path string) (string, error) {
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file, err := WWWPublic.Open(path)
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if err != nil {
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return "", err
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}
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out := "/* LOAD " + path + " */ "
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f, err := io.ReadAll(file)
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file.Close()
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out += regexp.MustCompile(`\s+`).ReplaceAllString(
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strings.ReplaceAll(string(f), "\n", ""),
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" ",
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)
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return out, err
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},
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}).Parse(string(b)))
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tmpl = template.Must(tmpl.Parse(string(TmplLoader)))
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return func(ctx *App, res http.ResponseWriter, req *http.Request) {
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head := res.Header()
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sign := signature()
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base := WithBase("/")
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templateData := map[string]any{
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"base": base,
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"version": BUILD_REF,
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"license": LICENSE,
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"hash": sign,
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"favicon": favicon(),
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"bundle_size": len(preload),
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}
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calculatedEtag := QuickHash(base+BUILD_REF+LICENSE+sign, 10)
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head.Set("ETag", calculatedEtag)
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if etag := req.Header.Get("If-None-Match"); etag == calculatedEtag {
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res.WriteHeader(http.StatusNotModified)
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return
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}
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var out io.Writer = res
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if strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") {
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head.Set("Content-Encoding", "gzip")
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gz := gzip.NewWriter(res)
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defer gz.Close()
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out = gz
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}
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head.Set("Content-Type", "text/html")
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head.Set("Cache-Control", "no-cache")
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tmpl.Execute(out, templateData)
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}
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}
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var preload = [][]string{
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{
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"/assets/" + BUILD_REF + "/boot/ctrl_boot_frontoffice.js",
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"/assets/" + BUILD_REF + "/boot/router_frontoffice.js",
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"/assets/" + BUILD_REF + "/boot/common.js",
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"/assets/" + BUILD_REF + "/css/designsystem_input.css",
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"/assets/" + BUILD_REF + "/css/designsystem_textarea.css",
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"/assets/" + BUILD_REF + "/css/designsystem_inputgroup.css",
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"/assets/" + BUILD_REF + "/css/designsystem_checkbox.css",
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"/assets/" + BUILD_REF + "/css/designsystem_formbuilder.css",
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"/assets/" + BUILD_REF + "/css/designsystem_button.css",
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"/assets/" + BUILD_REF + "/css/designsystem_icon.css",
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"/assets/" + BUILD_REF + "/css/designsystem_dropdown.css",
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"/assets/" + BUILD_REF + "/css/designsystem_container.css",
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"/assets/" + BUILD_REF + "/css/designsystem_box.css",
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"/assets/" + BUILD_REF + "/css/designsystem_darkmode.css",
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"/assets/" + BUILD_REF + "/css/designsystem_skeleton.css",
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"/assets/" + BUILD_REF + "/css/designsystem_utils.css",
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"/assets/" + BUILD_REF + "/css/designsystem_alert.css",
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"/assets/" + BUILD_REF + "/css/designsystem.css",
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"/assets/" + BUILD_REF + "/components/decorator_shell_filemanager.css",
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"/assets/" + BUILD_REF + "/components/loader.js",
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"/assets/" + BUILD_REF + "/components/modal.js",
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"/assets/" + BUILD_REF + "/components/modal.css",
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"/assets/" + BUILD_REF + "/components/notification.js",
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"/assets/" + BUILD_REF + "/components/notification.css",
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"/assets/" + BUILD_REF + "/components/sidebar.js",
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"/assets/" + BUILD_REF + "/components/sidebar_files.js",
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"/assets/" + BUILD_REF + "/components/sidebar_tags.js",
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"/assets/" + BUILD_REF + "/components/sidebar.css",
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"/assets/" + BUILD_REF + "/components/dropdown.js",
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"/assets/" + BUILD_REF + "/components/decorator_shell_filemanager.js",
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"/assets/" + BUILD_REF + "/components/form.js",
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"/assets/" + BUILD_REF + "/components/icon.js",
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"/assets/" + BUILD_REF + "/components/breadcrumb.js",
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"/assets/" + BUILD_REF + "/components/breadcrumb.css",
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"/assets/" + BUILD_REF + "/components/skeleton.js",
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"/assets/" + BUILD_REF + "/helpers/loader.js",
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"/assets/" + BUILD_REF + "/helpers/log.js",
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"/assets/" + BUILD_REF + "/helpers/sdk.js",
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"/assets/" + BUILD_REF + "/lib/rx.js",
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"/assets/" + BUILD_REF + "/lib/ajax.js",
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},
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{
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"/assets/" + BUILD_REF + "/lib/vendor/rxjs/rxjs.min.js",
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"/assets/" + BUILD_REF + "/lib/vendor/rxjs/rxjs-ajax.min.js",
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"/assets/" + BUILD_REF + "/lib/vendor/rxjs/rxjs-shared.min.js",
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"/assets/" + BUILD_REF + "/lib/store.js",
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"/assets/" + BUILD_REF + "/lib/form.js",
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"/assets/" + BUILD_REF + "/lib/path.js",
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"/assets/" + BUILD_REF + "/lib/random.js",
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"/assets/" + BUILD_REF + "/lib/settings.js",
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"/assets/" + BUILD_REF + "/lib/animate.js",
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"/assets/" + BUILD_REF + "/lib/assert.js",
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"/assets/" + BUILD_REF + "/lib/dom.js",
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"/assets/" + BUILD_REF + "/lib/skeleton/index.js",
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"/assets/" + BUILD_REF + "/lib/skeleton/router.js",
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"/assets/" + BUILD_REF + "/lib/skeleton/lifecycle.js",
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"/assets/" + BUILD_REF + "/lib/error.js",
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"/assets/" + BUILD_REF + "/locales/index.js",
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"/assets/" + BUILD_REF + "/model/config.js",
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"/assets/" + BUILD_REF + "/model/chromecast.js",
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"/assets/" + BUILD_REF + "/model/session.js",
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"/assets/" + BUILD_REF + "/model/plugin.js",
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"/assets/" + BUILD_REF + "/pages/ctrl_logout.js",
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"/assets/" + BUILD_REF + "/pages/ctrl_error.js",
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},
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{
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"/assets/" + BUILD_REF + "/pages/ctrl_homepage.js",
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"/assets/" + BUILD_REF + "/pages/ctrl_connectpage.js",
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"/assets/" + BUILD_REF + "/pages/ctrl_connectpage.css",
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"/assets/" + BUILD_REF + "/pages/connectpage/ctrl_form.css",
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"/assets/" + BUILD_REF + "/pages/connectpage/ctrl_form.js",
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"/assets/" + BUILD_REF + "/pages/connectpage/ctrl_forkme.js",
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"/assets/" + BUILD_REF + "/pages/connectpage/ctrl_poweredby.js",
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"/assets/" + BUILD_REF + "/pages/connectpage/model_backend.js",
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"/assets/" + BUILD_REF + "/pages/connectpage/model_config.js",
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"/assets/" + BUILD_REF + "/pages/connectpage/ctrl_form_state.js",
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"/assets/" + BUILD_REF + "/pages/filespage/thing.js",
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"/assets/" + BUILD_REF + "/pages/filespage/thing.css",
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},
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{
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"/assets/" + BUILD_REF + "/pages/ctrl_filespage.js",
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"/assets/" + BUILD_REF + "/pages/ctrl_filespage.css",
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"/assets/" + BUILD_REF + "/pages/filespage/model_acl.js",
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"/assets/" + BUILD_REF + "/pages/filespage/cache.js",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_filesystem.js",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_filesystem.css",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_upload.js",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_upload.css",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_newitem.js",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_newitem.css",
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},
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{
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_submenu.js",
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"/assets/" + BUILD_REF + "/pages/filespage/ctrl_submenu.css",
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"/assets/" + BUILD_REF + "/pages/filespage/state_config.js",
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"/assets/" + BUILD_REF + "/pages/filespage/helper.js",
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"/assets/" + BUILD_REF + "/pages/filespage/model_files.js",
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"/assets/" + BUILD_REF + "/pages/filespage/model_tag.js",
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"/assets/" + BUILD_REF + "/pages/filespage/model_virtual_layer.js",
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"/assets/" + BUILD_REF + "/pages/filespage/modal.css",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_tag.js",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_tag.css",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_share.js",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_share.css",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_rename.js",
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"/assets/" + BUILD_REF + "/pages/filespage/modal_delete.js",
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"/assets/" + BUILD_REF + "/pages/filespage/state_selection.js",
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"/assets/" + BUILD_REF + "/pages/filespage/state_newthing.js",
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// "/assets/" + BUILD_REF + "/pages/ctrl_viewerpage.js", // TODO: dynamic imports
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"/assets/" + BUILD_REF + "/pages/ctrl_viewerpage.css",
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"/assets/" + BUILD_REF + "/pages/viewerpage/mimetype.js",
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"/assets/" + BUILD_REF + "/pages/viewerpage/model_files.js",
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"/assets/" + BUILD_REF + "/pages/viewerpage/common.js",
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"/assets/" + BUILD_REF + "/pages/viewerpage/application_downloader.js",
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"/assets/" + BUILD_REF + "/pages/viewerpage/application_downloader.css",
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"/assets/" + BUILD_REF + "/pages/viewerpage/component_menubar.js",
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"/assets/" + BUILD_REF + "/pages/viewerpage/component_menubar.css",
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},
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}
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func ServeBundle() func(*App, http.ResponseWriter, *http.Request) {
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isDebug := os.Getenv("DEBUG") == "true"
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buildChunks := func(quality int) (chunks [][]byte, chunksBr [][]byte, etags []string) {
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numChunks := len(preload)
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chunks = make([][]byte, numChunks+1)
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chunksBr = make([][]byte, numChunks+1)
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etags = make([]string, numChunks+1)
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var fullBuf bytes.Buffer
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for i := 0; i < numChunks; i++ {
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var chunkBuf bytes.Buffer
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for _, path := range preload[i] {
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curPath := "/assets/" + strings.TrimPrefix(path, "/assets/"+BUILD_REF+"/")
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f := applyPatch(curPath)
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if f == nil {
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file, err := WWWPublic.Open(curPath)
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if err != nil {
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Log.Warning("static::bundler failed to find file %s", err.Error())
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continue
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}
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f = new(bytes.Buffer)
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if _, err := io.Copy(f, file); err != nil {
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Log.Warning("static::bundler msg=copy_error err=%s", err.Error())
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continue
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}
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file.Close()
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}
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code, err := json.Marshal(f.String())
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if err != nil {
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Log.Warning("static::bundle msg=marshal_failed path=%s err=%s", path, err.Error())
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continue
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}
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line := fmt.Sprintf("bundler.register(%q, %s);\n", WithBase(path), code)
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chunkBuf.WriteString(line)
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fullBuf.WriteString(line)
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}
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chunks[i+1] = chunkBuf.Bytes()
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chunksBr[i+1], _ = cbrotli.Encode(chunks[i+1], cbrotli.WriterOptions{Quality: quality})
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etags[i+1] = QuickHash(string(chunks[i+1]), 10)
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}
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chunks[0] = fullBuf.Bytes()
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chunksBr[0], _ = cbrotli.Encode(chunks[0], cbrotli.WriterOptions{Quality: quality})
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etags[0] = QuickHash(string(chunks[0]), 10)
|
|
return chunks, chunksBr, etags
|
|
}
|
|
|
|
quality := 11
|
|
if isDebug {
|
|
quality = 8
|
|
}
|
|
chunks, chunksBr, etags := buildChunks(quality)
|
|
|
|
return func(ctx *App, res http.ResponseWriter, req *http.Request) {
|
|
if isDebug {
|
|
chunks, chunksBr, etags = buildChunks(quality)
|
|
}
|
|
chunkIndex := 0
|
|
if parsed, err := strconv.Atoi(req.URL.Query().Get("chunk")); err == nil {
|
|
chunkIndex = parsed
|
|
}
|
|
if chunkIndex >= len(chunks) {
|
|
http.NotFound(res, req)
|
|
return
|
|
}
|
|
head := res.Header()
|
|
head.Set("Content-Type", "application/javascript")
|
|
head.Set("Cache-Control", "no-cache")
|
|
head.Set("Etag", etags[chunkIndex])
|
|
if req.Header.Get("If-None-Match") == etags[chunkIndex] && etags[chunkIndex] != "" {
|
|
res.WriteHeader(http.StatusNotModified)
|
|
return
|
|
} else if strings.Contains(req.Header.Get("Accept-Encoding"), "br") && len(chunksBr[chunkIndex]) > 0 {
|
|
head.Set("Content-Encoding", "br")
|
|
res.Write(chunksBr[chunkIndex])
|
|
return
|
|
}
|
|
res.Write(chunks[chunkIndex])
|
|
}
|
|
}
|
|
|
|
func applyPatch(filePath string) (file *bytes.Buffer) {
|
|
var (
|
|
outputBuffer bytes.Buffer
|
|
wasPatched bool
|
|
)
|
|
for i, patch := range Hooks.Get.StaticPatch() {
|
|
if i == 0 {
|
|
origFile, err := WWWPublic.Open(filePath)
|
|
if err != nil {
|
|
Log.Debug("ctrl::static cannot open public file - %+v", err.Error())
|
|
return nil
|
|
}
|
|
_, err = outputBuffer.ReadFrom(origFile)
|
|
origFile.Close()
|
|
if err != nil {
|
|
Log.Debug("ctrl::static cannot read from origFile - %s", err.Error())
|
|
return nil
|
|
}
|
|
}
|
|
patchFiles, _, err := gitdiff.Parse(NewReadCloserFromBytes(patch))
|
|
if err != nil {
|
|
Log.Debug("ctrl::static cannot parse patch file - %s", err.Error())
|
|
return nil
|
|
}
|
|
for i := 0; i < len(patchFiles); i++ {
|
|
if patchFiles[i].NewName != patchFiles[i].OldName {
|
|
continue
|
|
} else if filePath != strings.TrimPrefix(patchFiles[i].NewName, "public") {
|
|
continue
|
|
}
|
|
var patched bytes.Buffer
|
|
if err := gitdiff.Apply(
|
|
&patched,
|
|
bytes.NewReader(outputBuffer.Bytes()),
|
|
patchFiles[i],
|
|
); err != nil {
|
|
Log.Debug("ctrl::static err=cannot_apply_patch path=%s err=%s", patchFiles[i].NewName, err.Error())
|
|
return nil
|
|
}
|
|
outputBuffer = patched
|
|
wasPatched = true
|
|
}
|
|
}
|
|
if wasPatched {
|
|
return &outputBuffer
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func signature() string {
|
|
text := BUILD_REF
|
|
patches := Hooks.Get.StaticPatch()
|
|
for i := 0; i < len(patches); i++ {
|
|
text += string(patches[i])
|
|
}
|
|
entries, _ := os.ReadDir(GetAbsolutePath(PLUGIN_PATH))
|
|
for _, e := range entries {
|
|
stat, _ := e.Info()
|
|
text += fmt.Sprintf("[%s][%d][%s]", stat.Name(), stat.Size(), stat.ModTime().String())
|
|
}
|
|
return strings.ToLower(QuickHash(text, 3))
|
|
}
|
|
|
|
func favicon() string {
|
|
file, err := WWWPublic.Open("/assets/logo/favicon.svg")
|
|
if err != nil {
|
|
return "favicon.ico"
|
|
}
|
|
f, err := io.ReadAll(file)
|
|
if err != nil {
|
|
return "favicon.ico"
|
|
}
|
|
return "data:image/svg+xml;base64," + base64.StdEncoding.EncodeToString(f)
|
|
}
|