feat: v2 (#599)

Read https://github.com/filebrowser/filebrowser/pull/575.

Former-commit-id: 7aedcaaf72b863033e3f089d6df308d41a3fd00c [formerly bdbe4d49161b901c4adf9c245895a1be2d62e4a7] [formerly acfc1ec67c423e0b3e065a8c1f8897c5249af65b [formerly d309066def8319e9da89d00ca6463ec4aea62d34]]
Former-commit-id: 0c7d925a38a68ccabdf2c4bbd8c302ee89b93509 [formerly a6173925a1382955d93b334ded93f70d6dddd694]
Former-commit-id: e032e0804dd051df86f42962de2b39caec5318b7

http/share.go

@@ -0,0 +1,107 @@
+package http
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"net/http"
+	"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 {
+			w.Write([]byte(d.settings.BaseURL + "/share/" + s.Hash))
+			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)
+})