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This commit is contained in:
Henrique Dias
2017-06-27 15:44:20 +01:00
parent 69a96e56b7
commit 1e99d3d7c1
9 changed files with 582 additions and 596 deletions

View File

@@ -1,95 +0,0 @@
package filemanager
import (
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"github.com/mholt/archiver"
)
// download creates an archive in one of the supported formats (zip, tar,
// tar.gz or tar.bz2) and sends it to be downloaded.
func download(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
query := r.URL.Query().Get("download")
if !c.fi.IsDir {
w.Header().Set("Content-Disposition", "attachment; filename="+c.fi.Name)
http.ServeFile(w, r, c.fi.Path)
return 0, nil
}
files := []string{}
names := strings.Split(r.URL.Query().Get("files"), ",")
if len(names) != 0 {
for _, name := range names {
name, err := url.QueryUnescape(name)
if err != nil {
return http.StatusInternalServerError, err
}
files = append(files, filepath.Join(c.fi.Path, name))
}
} else {
files = append(files, c.fi.Path)
}
if query == "true" {
query = "zip"
}
var (
extension string
temp string
err error
tempfile string
)
temp, err = ioutil.TempDir("", "")
if err != nil {
return http.StatusInternalServerError, err
}
defer os.RemoveAll(temp)
tempfile = filepath.Join(temp, "temp")
switch query {
case "zip":
extension, err = ".zip", archiver.Zip.Make(tempfile, files)
case "tar":
extension, err = ".tar", archiver.Tar.Make(tempfile, files)
case "targz":
extension, err = ".tar.gz", archiver.TarGz.Make(tempfile, files)
case "tarbz2":
extension, err = ".tar.bz2", archiver.TarBz2.Make(tempfile, files)
case "tarxz":
extension, err = ".tar.xz", archiver.TarXZ.Make(tempfile, files)
default:
return http.StatusNotImplemented, nil
}
if err != nil {
return http.StatusInternalServerError, err
}
file, err := os.Open(temp + "/temp")
if err != nil {
return http.StatusInternalServerError, err
}
name := c.fi.Name
if name == "." || name == "" {
name = "download"
}
w.Header().Set("Content-Disposition", "attachment; filename="+name+extension)
io.Copy(w, file)
return http.StatusOK, nil
}