check if paths exist all at once

navigator/components/NavDragDrop.js

@@ -98,10 +98,30 @@ export class NavDragDrop {
 	 * @returns {FileUpload[]}
 	 */
 	async handle_conflicts(uploads) {
+		let test_paths = [];
+		for (let upload of uploads)
+			test_paths.push(upload.path);
+		let proc = cockpit.spawn(
+			["/usr/share/cockpit/navigator/scripts/return-exists.py3", ... test_paths],
+			{error: "out", superuser: "try"}
+		);
+		let exist_result;
+		proc.done((data) => {
+			exist_result = JSON.parse(data);
+		});
+		proc.fail((e, data) => {
+			this.nav_window_ref.modal_prompt.alert(e, data);
+		});
+		try {
+			await proc;
+		} catch {
+			return;
+		}
+		console.log(exist_result);
 		let keepers = [];
 		let requests = {};
 		for (let upload of uploads) {
-			if (!await check_if_exists(upload.path)) {
+			if (!exist_result[upload.path]) {
 				keepers.push(upload.filename);
 				continue;
 			}
@@ -163,8 +183,10 @@ export class NavDragDrop {
 					}
 				}
 				this.drop_area.classList.remove("drag-enter");
-				if (uploads.length === 0)
+				if (uploads.length === 0) {
+					this.nav_window_ref.stop_load();
 					break;
+				}
 				uploads = await this.handle_conflicts(uploads);
 				this.nav_window_ref.stop_load();
 				uploads.forEach((upload) => {upload.upload()});

navigator/scripts/return-exists.py3

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+
+"""
+    Cockpit Navigator - A File System Browser for Cockpit.
+    Copyright (C) 2021 Josh Boudreau <jboudreau@45drives.com>
+
+    This file is part of Cockpit Navigator.
+    Cockpit Navigator is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    Cockpit Navigator is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    You should have received a copy of the GNU General Public License
+    along with Cockpit Navigator.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+"""
+Synopsys: return-exists.py3 /full/path1 [/full/path2 ...]
+replys with JSON formatted dictionary of path : boolean where true means the file exists
+"""
+
+import os
+import sys
+import json
+
+def main():
+    argv = sys.argv
+    argc = len(sys.argv)
+    if argc <= 1:
+        print("No arguments provided")
+        sys.exit(1)
+    response = {}
+    for i in range (1, argc):
+        path = argv[i]
+        response[path] = os.path.lexists(path)
+    print(json.dumps(response))
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()