Copy and cut files

Former-commit-id: ac9399efef37f13706590384e29295c6234acb7c [formerly f62dcb89aa49125769405c502688f3f8d4348da3] [formerly 4b9f0fd696f449c30da2d2f7a11cf5d6c7054c54 [formerly 64e70e39dcf6759e04315bc97ec6a0fed927c737]]
Former-commit-id: 422165231c785b121b1f6725909d3ce7c8dcdfee [formerly 2b26582a03f674d40abb39e27b2cc880d2bd3ebb]
Former-commit-id: ee743808a3c012514c9b7d57a34c79e408a8a78b

file.go

@@ -82,7 +82,7 @@ func getInfo(url *url.URL, c *FileManager, u *User) (*file, error) {
 	var err error
 
 	i := &file{
-		URL:         "/files" + url.Path,
+		URL:         "/files" + url.String(),
 		VirtualPath: url.Path,
 		Path:        filepath.Join(string(u.FileSystem), url.Path),
 	}
@@ -127,6 +127,11 @@ func (i *file) getListing(c *RequestContext, r *http.Request) error {
 		dirCount, fileCount int
 	)
 
+	baseurl, err := url.PathUnescape(i.URL)
+	if err != nil {
+		return err
+	}
+
 	for _, f := range files {
 		name := f.Name()
 		allowed := c.User.Allowed("/" + name)
@@ -143,7 +148,7 @@ func (i *file) getListing(c *RequestContext, r *http.Request) error {
 		}
 
 		// Absolute URL
-		url := url.URL{Path: i.URL + name}
+		url := url.URL{Path: baseurl + name}
 
 		i := &file{
 			Name:        f.Name(),