[Extensions] Broadway implementation about os.js HOT 24 CLOSED

Are there plans to update this for OS.js 3?

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After looking at the GTK sources this seems to be way easier then first expected. I will cointinue experimenting with this, including writing an entirely new library that is modular and customizable (the sources from GTK is quite ugly)

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I'm also very interested in a well-written Broadway library. The only problem is that the spec is changing with each GTK release, so if we create a library it won't be compatible with older/newer versions of Broadway.

I would like to help, would it be a good idea to create a github repo for this library?

Thanks :-)

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(If you need docs about Broadway, there is a wiki page about it in Symbiose: https://github.com/symbiose/symbiose/wiki/Broadway)

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@emersion I'm planning to make something very portable and easy to update. From the looks of it is very simple and most of the changes could be an automated process (parsing .h files)

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@emersion I will have something to show off later today :)

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@emersion Created first prototype of the new library. See the link in main description :)
Started on Event handling now. After that it's just a matter of cleaning up and making it as portable as possible

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@emersion Btw. I was looking at the history of broadway.js and it seems that it does not change that often (if ever), so the protocol will most likely not receive any huge changes :)

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Seems good to me :-)

I was wondering, what about the server-side code? The user will be able to launch apps remotely? I already tried to emulate a GTK environment

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But it does not work well.

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@emersion I have done something like this before using PAM logins and a simple messaging system. Btw I have made some great progress on the implementation. Just pushed a few nice updates :D

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@emersion I have now implemented a spawner for processes... not finished mind you, and not pretty at the moment, but works :) Code is in Broadway/vendor
Preview: https://www.youtube.com/watch?v=o0QLC9Sx-BA

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I'm curious, what is the latest status of this?

@andersevenrud this project is really super great :D

@emersion awesome work on Symbiose :D

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@davelab6 It's currently working of the "old" GTK implementation, but should work just fine. I am in the middle of writing a new encoder to support latest features!

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@andersevenrud I haven't looked far into but maybe you could provide some insight about the intended security. When Login/Logout is implemented how do you see the security working? Do you plan on OS.js running as a server for all users and dishing out an forked process of itself setuid() and setguid() of the user? Or do you plan on it being a single user environment and changing the owner of the process to that user alone. I would like to assist on the Login/Logout part of the desktop.

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@RyanRiffle The plan (I have not thought to much about this myself) was to hook into the PAM authentication system to spawn a X-server and not a OS.js server for the requested user. Right now it just attaches to the specified server which has to be started manually (or just :0 which is the default one). I'll get back to you with some more in-depth info when I'm home again (holiday atm). Did this help ? :)

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That helps. I figured it was being run with startx ./whatever.sh -- :1. Got to keep users in their place and keep them from accessing files they don't have permissions to.

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@RyanRiffle, yeah, that's pretty much how it works now. So just need a
spawner of sorts to automate that process.

And when it comes to permissions, that's comes entirely down to how both
the system and user is configured :)

On Sat, Aug 6, 2016 at 1:21 AM, Ryan Riffle [email protected]
wrote:

That helps. I figured it was being run with startx ./whatever.sh -- :1.
Got to keep users in their place and keep them from accessing files they
don't have permissions to.

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I've pused an update that adds support for Broadway library version 2.0. Along with these changes:

• Now runs as a "service" on the OS.js server (no manual launching required)
• Now has connection settings from configuration files
• Supports maximize/restore of windows
• Much better input handling
• Performance improvements and bugfixes

https://os.js.org/manual/client/broadway/

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Firefox crashes, sadly (worked in some other version), and there's not many [full] Gtk 3.0+ applications yet included in ex. Ubuntu. I'm going to make a curated list of supported apps and see if I find a way to run apps that crash.

Everything seems to work fine with apps that are fully GTK3 compatible. Example:

https://lh5.googleusercontent.com/WjOID6FcjbjqBtB5byiR0OLJN6-_DEk8LjOmR-vFlrVOGw54BjN97BiocN968lj6LdKis3LqPMfVTJ8=w1920-h1110-rw

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This is no longer a thing, sadly. But theres awesome news: Xpra replaces this entirely (and is actually based on Broadway).

A fully working repository for this is here: https://github.com/os-js/osjs-xpra

Video: https://www.youtube.com/watch?v=c0safRR0ldM&list=PL74DE0E481419C259&index=16

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@osmarks AFAIK Broadway is no longer in development (the actual protocol etc.), however, I'm working on an Xpra client which does the same thing 😄

• OS.js Integration: https://github.com/os-js/osjs-xpra-application
• Library code: https://github.com/andersevenrud/xpra-html5-client

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@osmarks I'm actually working on rewriting some of the parts to WebAssembly (using Rust) for waaaay better performance.

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