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dsh-office-bridge

Office Bridge

通过本地安装的 ONLYOFFICE Document Server 在 DSH 侧边栏中打开和编辑 .xlsx/.docx/.pptx/.csv/.tsv 文件（原格式编辑，回调写回）

插件会安装到这里；不确定时保持 web。

npx -y @deepseek-ai/dsh plugin --profile web add github:RainL-621/dsh-office-bridge#2d739f477d476221beb5fd4a122abdd413767176
README兼容性版本

兼容性与来源证明

Office Bridge 以 dsh-office-bridge 发布，当前版本为 2.1.1。Plugin Hub 会校验它的 manifest，并保存精确安装来源，便于复现安装结果。

DSH 兼容范围
*
运行环境
web
发布来源
github
Registry 更新时间
2026/10/28

版本

2.1.1stable
2026/10/28

相关插件

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最新版
2.1.1
DSH
*
HMR
重启进程
Tree shaking
未声明可安全裁剪
解包体积
未提供
文件数
未提供
Surface
web
许可证
MIT
发布源
github
GitHub
★ 1
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0
最近提交
2026/10/28
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README

dsh-office-bridge

English | 简体中文

中文简介：你和 AI 智能体在 DSH 侧边栏里编辑同一个 Office 文件，保存直接写回原文件——不上传、不转格式。完整中文文档见 README.zh-CN.md。

You and your AI agent edit the same Office file in the DSH sidebar — ONLYOFFICE does the heavy lifting, saves land back on the original file, no uploading files around.

  • Supported formats: .xlsx / .xls / .csv / .tsv / .docx / .pptx
  • Platform: sidebar plugin for DSH Desktop (Windows)
  • License: MIT (this plugin). The editing engine, ONLYOFFICE Document Server, is a separate product under AGPLv3 / commercial dual licensing — you install it yourself and accept its license yourself.
  • Zero runtime dependencies. Source is the artifact; no build step.

The editing engine is not part of this plugin. This plugin is an MIT-licensed, zero-dependency integration layer and contains no ONLYOFFICE Document Server code. You must download and install ONLYOFFICE Document Server for Windows yourself (installer is about 873 MB), and read and accept its AGPLv3 or commercial license terms before installing.

What it does

Click an Office file in a DSH session and the right sidebar opens an ONLYOFFICE editor tab:

  • Original-format edit and write-back — no shadow files, no format conversion. The file you edit is the file on disk.
  • Disk changes always ask first — when the file changes on disk (for example by an AI agent or a script), the editor shows a banner instead of reloading by itself: "The file was modified on disk (possibly by AI)" with a Reload button. Your unsaved edits are never thrown away without you clicking it. This is deliberate — ONLYOFFICE does not report edit state reliably enough to distinguish "you have unsaved work" from "you do not".
  • Backup before write-back — every save keeps the previous version as filename.ext.bak in the same directory.
  • Security hardening — write-back URLs are restricted to the configured DS address (loopback by default); fileLimitMb size cap (default 100 MB); the local exchange service binds to 127.0.0.1 only; HMAC token validation on download URLs. See SECURITY.md.
  • Session persistence — opened files are recorded in registry.json (max 128 entries) and restored after a DSH restart.

⚠️ Write-back behavior (read this)

  • Save timing: ONLYOFFICE sends the content back when you close the document tab (or save manually); this plugin then writes the file.
  • Whole-file overwrite: write-back replaces the entire file. No merge.
  • Automatic .bak: each write-back first stores the old version as filename.ext.bak in the same directory. Only the most recent previous version is kept — a second save overwrites it.
  • Close the tab before restarting DSH. Unsave content lives in the ONLYOFFICE server and reaches this plugin by callback. If DSH is restarting, the callback has nowhere to land and the edit is lost (the server retries briefly, then gives up with backoff limit exceeded). Save/close first.
  • Keep your own backups or version control for important files. The risk of write-back overwrite is the user's own.

Prerequisites

  1. DSH Desktop (Windows) — this is a DSH Desktop sidebar plugin.
  2. ONLYOFFICE Document Server (Windows):
    • Download and install the Windows package from the ONLYOFFICE website (about 873 MB);
    • After install, http://localhost/healthcheck should return {"error":false};
    • It is licensed AGPLv3 / commercial dual licensing. Installing it and accepting its license are your own decision and responsibility;
    • Default address http://127.0.0.1:80; if your port differs, see the configuration table.
  3. Put this package into the DSH desktop profile (profiles/desktop/node_modules/dsh-office-bridge/), add "dsh-office-bridge" to dsh.profile.bundles in the profile package.json, and restart DSH Desktop.

JWT configuration

When DS enables JWT, the plugin auto-detects the secret from DS's C:\Program Files\ONLYOFFICE\DocumentServer\config\local.json (zero-dependency HS256 implementation, cached on file mtime). If detection fails, tokens are omitted. You can also set dsSecret manually.

Configuration (profile config, all optional)

KeyDefaultDescription
office-bridge.dsBaseUrlhttp://127.0.0.1:80DS address (also the base of the write-back URL allow-list); change if port 80 is taken
office-bridge.bridgePort17890Local file-exchange port; auto +1 retry up to 10 times if taken
office-bridge.dsSecretauto-detectManual JWT secret
office-bridge.langzh-CNEditor language; fallback chain zh-CN → zh → en
office-bridge.defaultModeeditedit (editable) / view (read-only preview)
office-bridge.fileLimitMb100File size limit (oversize refuses download / write-back)

Troubleshooting

  • GET /office-bridge/api/health — dsReachable, actual bridgePort, jwt status, version.
  • GET /office-bridge/api/config — effective configuration.
  • If the editor page fails to load, the page title gets an ERR- prefix. If the sidebar shows "cannot open editor", check that DS is running, then retry.

Difference from dsh-sidebar-onlyoffice

The community also has dsh-sidebar-onlyoffice (a plugin for dsh web deployments). This project targets DSH Desktop: files are on local disk, edits write straight back to the original file, no upload/download step, plus disk-change banners, .bak backups, and registry session restore. If you run dsh as a web service, use that project instead.

License and trademarks

  • This plugin is released under MIT (see LICENSE) and contains no source code from ONLYOFFICE Document Server.
  • ONLYOFFICE is a trademark of Ascensio System SIA. This project is not affiliated with, or endorsed by, ONLYOFFICE / Ascensio System SIA.
  • No telemetry: this plugin collects and uploads nothing. All communication stays between local processes.

Disclaimer

This software is provided "as is" (MIT License, sections 3–6). Write-back overwrites the original file. Despite the .bak mechanism, keep your own backups and version control for important documents. Any data loss or damage caused by using this software is at the user's own risk.

Contributing

Source is the artifact (direct ESM, zero build, zero runtime dependencies). Issues and PRs are welcome. After changing host/index.js or dist/client.js, run node --test test/smoke.test.mjs and keep the security boundary documented in SECURITY.md.