filebrowser/http/share.go

111 lines
2.4 KiB
Go

package http
import (
"crypto/rand"
"encoding/base64"
"net/http"
"path"
"strconv"
"strings"
"time"
"github.com/filebrowser/filebrowser/v2/errors"
"github.com/filebrowser/filebrowser/v2/share"
)
func withPermShare(fn handleFunc) handleFunc {
return withUser(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {
if !d.user.Perm.Share {
return http.StatusForbidden, nil
}
return fn(w, r, d)
})
}
var shareGetsHandler = withPermShare(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {
s, err := d.store.Share.Gets(r.URL.Path, d.user.ID)
if err == errors.ErrNotExist {
return renderJSON(w, r, []*share.Link{})
}
if err != nil {
return http.StatusInternalServerError, err
}
return renderJSON(w, r, s)
})
var shareDeleteHandler = withPermShare(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {
hash := strings.TrimSuffix(r.URL.Path, "/")
hash = strings.TrimPrefix(hash, "/")
if hash == "" {
return http.StatusBadRequest, nil
}
err := d.store.Share.Delete(hash)
return errToStatus(err), err
})
var sharePostHandler = withPermShare(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {
var s *share.Link
rawExpire := r.URL.Query().Get("expires")
unit := r.URL.Query().Get("unit")
if rawExpire == "" {
var err error
s, err = d.store.Share.GetPermanent(r.URL.Path, d.user.ID)
if err == nil {
if _, err := w.Write([]byte(path.Join(d.server.BaseURL, "/share/", s.Hash))); err != nil {
return http.StatusInternalServerError, err
}
return 0, nil
}
}
bytes := make([]byte, 6)
_, err := rand.Read(bytes)
if err != nil {
return http.StatusInternalServerError, err
}
str := base64.URLEncoding.EncodeToString(bytes)
var expire int64 = 0
if rawExpire != "" {
num, err := strconv.Atoi(rawExpire)
if err != nil {
return http.StatusInternalServerError, err
}
var add time.Duration
switch unit {
case "seconds":
add = time.Second * time.Duration(num)
case "minutes":
add = time.Minute * time.Duration(num)
case "days":
add = time.Hour * 24 * time.Duration(num)
default:
add = time.Hour * time.Duration(num)
}
expire = time.Now().Add(add).Unix()
}
s = &share.Link{
Path: r.URL.Path,
Hash: str,
Expire: expire,
UserID: d.user.ID,
}
if err := d.store.Share.Save(s); err != nil {
return http.StatusInternalServerError, err
}
return renderJSON(w, r, s)
})