Opening a file you hold read-but-not-write access on (a read-only share) failed silently. For such a file the backend correctly omits write_url from the /open_item signature, but launchApp appended it to the app iframe URL unconditionally. URLSearchParams coerces undefined to the string \"undefined\", so the app received puter.item.write_url=\"undefined\" — truthy, so the editor believed the file was writable, and an invalid URL, so it broke on open. Only read-only shares hit this; files you can write carry a real write_url. Extract the puter.item.* param building into append_signed_item_params and guard the write_url append so it is only added when present. launchApp.js is too coupled to UIWindow/jQuery/window globals to unit-test directly, so the pure helper carries the logic and its own test, matching the helpers/ pattern. Regression test pins both directions: a read-only signature omits write_url entirely (no \"undefined\"), and a writable signature still forwards it.
The Open-Source Internet Computer!
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Puter.com
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App Store
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Developers
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Puter
Puter is an advanced, open-source, self-hostable internet computer designed to be feature-rich, fast, and highly extensible.
For Users
Puter's goal is to provide you with every app and feature you need to work, create, and play under one roof. From a simple Notepad and Voice Recorder to Spreadsheet and Camera, Puter wants to be the all-in-one solution for your digital life.
For Developers
Puter provides everything you need to build and publish web apps and games. From AI to Cloud Storage and Database to Serverless Workers, Puter has you covered. Puter also helps you get users! Once you build your app, you can publish it on our App Store to reach and monetize users.
Getting Started
💻 Local Development
git clone https://github.com/HeyPuter/puter
cd puter
npm install
npm start
→ This should launch Puter at http://puter.localhost:4100
🚀 Self-Hosting
Linux/macOS
curl -fsSL https://puter.com/selfhost | sh
Windows
irm https://puter.com/selfhost?os=windows | iex
→ For more details, see Self-Hosting Puter.
☁️ Puter.com
Puter is available as a hosted service at puter.com.
Support
Connect with the maintainers and community through these channels:
- Bug report or feature request? Please open an issue.
- X (Twitter): x.com/HeyPuter
- Security issues or abuse reports? security@puter.com
- Email maintainers at hi@puter.com
We are always happy to help you with any questions you may have. Don't hesitate to ask!
License
This repository, including all its contents, sub-projects, modules, and components, is licensed under AGPL-3.0 unless explicitly stated otherwise. Third-party libraries included in this repository may be subject to their own licenses.
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