From 97c9dbecd85eeca05573e6d14efa443162ec8db7 Mon Sep 17 00:00:00 2001
From: white_lamb <72876613+by-2020-github@users.noreply.github.com>
Date: Sun, 23 Aug 2026 08:54:02 +0800
Subject: [PATCH] fix: avoid double prefix when listing remote WebDAV directory

list(remotePath) always re-joined remotePath with baseRemotePath via fullPath(). Callers pass cfg.webdav.remote_path (e.g. /Vol2_Home/codex), which produced a doubled path (/Vol2_Home/codex/Vol2_Home/codex) and an HTTP 404. The error was silently swallowed by .catch(() => []) in api/sync.js and bin/cxsync.js, so the remote file list was always empty: preview always showed 0 files to download, and every sync re-uploaded all local files.

Now list() treats a path that is already baseRemotePath (or one of its sub-paths) as absolute and uses it as-is; relative sub-paths still go through fullPath().
---
 src/webdav-client.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/webdav-client.js b/src/webdav-client.js
index 3c0418e..af5a1c6 100644
--- a/src/webdav-client.js
+++ b/src/webdav-client.js
@@ -34,11 +34,18 @@ export function createWebDAVClient(webdavConfig) {
      * 列出远端目录内容（递归）
      * 注意：不用 deep:true（Depth: infinity），许多服务器出于安全默认拒绝（403），
      * 改为逐层 Depth:1 递归，兼容性更好。
-     * @param {string} remotePath  相对于 remote_path 的路径，默认为根
+     * @param {string} remotePath  相对于 remote_path 的路径，默认为根；
+     *                             也接受完整的 remote_path（或其子路径）以避免误传导致路径重复拼接
      * @returns {Promise<Array<{ rel, mtime, size }>>}
      */
     async list(remotePath = '') {
-      const target = remotePath ? fullPath(remotePath) : baseRemotePath;
+      // remotePath 为空 → 列 baseRemotePath 根目录；
+      // remotePath 已是 baseRemotePath 或其子路径 → 直接使用，避免 fullPath() 二次拼接产生重复前缀
+      const target = remotePath
+        ? (remotePath === baseRemotePath || remotePath.startsWith(baseRemotePath + '/')
+            ? remotePath
+            : fullPath(remotePath))
+        : baseRemotePath;
       const files = [];
       await listRecursive(raw, target, files);
       return files.map(item => ({