Exemplo n.º 1
0
func initFileSystems() (fss []fsi.FileSystem, c aetest.Context) {

	var err error
	c, err = aetest.NewContext(nil)
	if err != nil {
		log.Fatal(err)
	}

	// defer c.Close()
	// Not here, but instead at the start of the test-funcs

	// We cant make variadic options generic,
	// since they need the concrete filesystem type.
	fs1 := dsfs.New(
		dsfs.MountName(dsfs.MountPointLast()),
		dsfs.AeContext(c),
	)

	fs3 := osfs.New()

	fs4 := memfs.New(
		memfs.Ident("m"),
	)

	fss = []fsi.FileSystem{fs1, fs3, fs4}

	return fss, c
}
Exemplo n.º 2
0
//
// A static fileserver is NOT working
// Since we need an appengine.context
//
// UNUSED, NOT WORKING
func serveDsFs(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {

	// Examples
	http.Handle("/img/", http.StripPrefix("/img/", http.FileServer(http.Dir("./img/"))))
	http.Handle("/css/", http.StripPrefix("/css/", http.FileServer(http.Dir("./css/"))))
	http.Handle("/tmp/", http.StripPrefix("/tmp/", http.FileServer(http.Dir("c:\\temp"))))

	c := appengine.NewContext(r)
	cx = c

	mountPoint = dsfs.MountPointLast()
	fs1 := dsfs.New(
		dsfs.MountName(mountPoint),
		dsfs.AeContext(c),
	)
	httpFSys := &httpfs.HttpFs{SourceFs: fs1}

	// HERE is the trouble!
	http.Handle("/tmp1/", http.StripPrefix("/tmp1/", http.FileServer(httpFSys.Dir("./"))))

	wpf(w, "serving %v", mountPoint)

	// time.Sleep(5 * time.Second)

}
Exemplo n.º 3
0
func lastMountPoint(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {

	wpf(w, tplx.ExecTplHelper(tplx.Head, map[string]interface{}{"HtmlTitle": "last Mountpoint"}))
	defer wpf(w, tplx.Foot)

	wpf(w, "<pre>\n")
	defer wpf(w, "\n</pre>")

	wpf(w, "reset %v\n", dsfs.MountPointLast())

}
Exemplo n.º 4
0
func DeleteSubtree(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {

	lg, lge := loghttp.Logger(w, r)

	err := r.ParseForm()
	lge(err)

	wpf(w, tplx.ExecTplHelper(tplx.Head, map[string]interface{}{"HtmlTitle": "Delete Subtree for curr FS"}))
	defer wpf(w, tplx.Foot)

	if r.Method == "POST" {
		wpf(w, "<pre>\n")
		defer wpf(w, "\n</pre>")

		mountPoint := dsfs.MountPointLast()
		if len(r.FormValue("mountname")) > 0 {
			mountPoint = r.FormValue("mountname")
		}
		lg("mount point is %v", mountPoint)

		pathPrefix := "impossible-value"
		if len(r.FormValue("pathprefix")) > 0 {
			pathPrefix = r.FormValue("pathprefix")
		}
		lg("pathprefix is %v", pathPrefix)

		fs := getFS(appengine.NewContext(r), mountPoint)
		lg("created fs %v-%v ", fs.Name(), fs.String())

		lg("removing %q - and its subtree  ...", pathPrefix)
		err := fs.RemoveAll(pathPrefix)
		lge(err)

		errMc := memcache.Flush(appengine.NewContext(r))
		lge(errMc)

		if err == nil && errMc == nil {
			lg("success")
		}

	} else {
		tData := map[string]string{"Url": UriDeleteSubtree}
		err := tplBase.ExecuteTemplate(w, "tplName01", tData)
		lge(err)

	}

}
Exemplo n.º 5
0
func receiveUpload(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {

	lg, _ := loghttp.Logger(w, r)
	c := appengine.NewContext(r)

	// parsing multipart before anything else
	err := r.ParseMultipartForm(1024 * 1024 * 2)
	if err != nil {
		lg("Multipart parsing failed: %v", err)
		return
	}

	wpf(w, tplx.ExecTplHelper(tplx.Head, map[string]interface{}{"HtmlTitle": "Receive an Upload"}))
	defer wpf(w, tplx.Foot)
	wpf(w, "<pre>")
	defer wpf(w, "</pre>")

	fields := []string{"getparam1", "mountname", "description"}
	for _, v := range fields {
		lg("%12v => %q", v, r.FormValue(v))
	}

	mountPoint := dsfs.MountPointLast()
	if len(r.FormValue("mountname")) > 0 {
		mountPoint = r.FormValue("mountname")
	}
	lg("mount point is %v", mountPoint)

	fs1 := dsfs.New(
		dsfs.MountName(mountPoint),
		dsfs.AeContext(c),
	)

	// As closure, since we cannot define dsfs.dsFileSys as parameter
	funcSave := func(argName string, data []byte) (error, *bytes.Buffer) {

		b1 := new(bytes.Buffer)

		fs1 := dsfs.New(
			dsfs.MountName(mountPoint),
			dsfs.AeContext(c),
		)

		dir, bname := fs1.SplitX(argName)

		err := fs1.MkdirAll(dir, 0777)
		wpf(b1, "mkdir %v - %v\n", dir, err)
		if err != nil {
			return err, b1
		}

		err = fs1.WriteFile(path.Join(dir, bname), data, 0777)
		wpf(b1, "saved file content to %v - %v\n", argName, err)

		return err, b1
	}

	ff := "filefield"

	file, handler, err := r.FormFile(ff)
	if err != nil {
		lg("error calling FormFile from %q  => %v", ff, err)
		return
	}

	if handler == nil {
		lg("no multipart file %q", ff)
	} else {
		lg("extracted file %v", handler.Filename)

		data, err := ioutil.ReadAll(file)
		if err != nil {
			lg("ReadAll on uploaded file failed: %v", err)
			return
		}
		defer file.Close()
		lg("extracted file content;  %v bytes", len(data))

		newFilename := docRootDataStore + handler.Filename
		ext := path.Ext(newFilename)

		if ext == ".zip" {

			lg("found zip - treat as dir-tree %q", newFilename)

			r, err := zip.NewReader(file, int64(len(data)))
			if err != nil {
				lg("open as zip failed: %v", err)
				return
			}

			for _, f := range r.File {
				newFilename = docRootDataStore + f.Name

				dir, bname := fs1.SplitX(newFilename)

				if f.FileInfo().IsDir() {

					lg("\t dir %s", newFilename)

					err := fs1.MkdirAll(path.Join(dir, bname), 0777)
					if err != nil {
						lg("MkdirAll %v failed: %v", newFilename, err)
						return
					}

				} else {

					lg("\t file %s", newFilename)

					rc, err := f.Open()
					if err != nil {
						return
					}
					defer func(rc io.ReadCloser) {
						if err := rc.Close(); err != nil {
							panic(err)
						}
					}(rc)

					bts := new(bytes.Buffer)
					size, err := io.Copy(bts, rc)
					if err != nil {
						lg("Could not copy from zipped file %v: %v", newFilename, err)
						return
					}

					err = common.WriteFile(fsi.FileSystem(fs1), path.Join(dir, bname), bts.Bytes())

					// err = fs1.WriteFile(path.Join(dir, bname), bts.Bytes(), 0777)
					if err != nil {
						lg("WriteFile of zipped file %v failed: %v", newFilename, err)
						return
					}
					lg("\t  saved %v - %v Bytes", newFilename, size)

				}

			}

		} else {

			err, b2 := funcSave(newFilename, data)
			lg("%s", b2)
			if err != nil {
				return
			}

		}

		errMc := memcache.Flush(appengine.NewContext(r))
		if errMc != nil {
			lg("Error flushing memache: %v", errMc)
			return
		}

		lg("--------------------\n")

	}

}