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script-server

Script-server is a Web UI for scripts.

As an administrator, you add your existing scripts into Script server and other users would be able to execute them via a web interface. The UI is very straightforward and can be used by non-tech people.

No script modifications are needed - you configure each script in Script server and it creates the corresponding UI with parameters and takes care of validation, execution, etc.

DEMO server

Admin interface screenshots

Features

  • Different types of script parameters (text, flag, dropdown, file upload, etc.)
  • Real-time script output
  • Users can send input during script execution
  • Auth (optional): LDAP, Google OAuth, htpasswd file
  • Access control
  • Alerts
  • Logging and auditing
  • Formatted output support (colors, styles, cursor positioning, clearing)
  • Download of script output files
  • Execution history
  • Admin page for script configuration

For more details check how to configure a script or how to configure the server

Requirements

Server-side

Python 3.5 or higher with the following modules:

  • Tornado 4 / 5 / 6

Some features can require additional modules. Such requirements are specified in a corresponding feature description.

OS support:

  • Linux (main). Tested and working on Debian 9,10
  • Windows (additional). Light testing
  • macOS (additional). Light testing

Client-side

Any more or less up to date browser with enabled JS

Internet connection is not needed. All the files are loaded from the server.

Installation

For production

  1. Download script-server.zip file from Latest release or Dev release
  2. Create script-server folder anywhere on your PC and extract zip content to this folder

(For detailed steps on linux with virtualenv, please see Installation guide)

As a docker container

Please find pre-built images here: https://hub.docker.com/r/bugy/script-server/tags
For the usage please check this ticket

For development

  1. Clone/download the repository
  2. Run 'tools/init.py --no-npm' script

init.py script should be run after pulling any new changes

If you are making changes to web files, use npm run build or npm run serve

Setup and run

  1. Create configurations for your scripts in conf/runners/ folder (see script config page for details)
  2. Launch launcher.py from script-server folder
  • Windows command: launcher.py
  • Linux command: ./launcher.py
  1. Add/edit scripts on the admin page

By default, the server will run on http://localhost:5000

Server config

All the features listed above and some other minor features can be configured in conf/conf.json file. It is allowed not to create this file. In this case, default values will be used. See server config page for details

Admin panel

Admin panel is accessible on admin.html page (e.g. http://localhost:5000/admin.html)

Logging

All web/operating logs are written to the logs/server.log Additionally each script logs are written to separate file in logs/processes. File name format is {script_name}_{client_address}_{date}_{time}.log.

Testing/demo

Script-server has bundled configs/scripts for testing/demo purposes, which are located in samples folder. You can link/copy these config files (samples/configs/*.json) to server config folder (conf/runners).

Security

I do my best to make script-server secure and invulnerable to attacks, injections or user data security. However to be on the safe side, it's better to run Script server only on a trusted network.
Any security leaks report or recommendations are greatly appreciated!

Shell commands injection

Script server guarantees that all user parameters are passed to an executable script as arguments and won't be executed under any conditions. There is no way to inject fraud command from a client-side. However user parameters are not escaped, so scripts should take care of not executing them also (general recommendation for bash is at least to wrap all arguments in double-quotes). It's recommended to use typed parameters when appropriate, because they are validated for proper values and so they are harder to be subject of commands injection. Such attempts would be easier to detect also.

Important! Command injection protection is fully supported for Linux, but only for .bat and .exe files on Windows

XSS and CSRF

At the moment script server is vulnerable to these attacks.

Contribution

If you like the project and think you could help with making it better, there are many ways you can do it:

  • Create a new issue for new feature proposal or a bug
  • Implement existing issues (there are quite some of them: frontend/backend, simple/complex, choose whatever you like)
  • Help with improving the documentation
  • Set up a demo server
  • Spread a word about the project to your colleagues, friends, blogs or any other channels
  • Any other things you could imagine

Any contribution would be of great help and I will highly appreciate it! If you have any questions, please create a new issue, or contact me via buggygm@gmail.com

Asking questions

If you have any questions, feel free to:

Special thanks

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