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WebSSH

Build Status codecov PyPI - Python Version PyPI

Introduction

A simple web application to be used as an ssh client to connect to your ssh servers. It is written in Python, base on tornado, paramiko and xterm.js.

Features

  • SSH password authentication supported, including empty password.

  • SSH public-key authentication supported, including DSA RSA ECDSA Ed25519 keys.

  • Encrypted keys supported.

  • Fullscreen terminal supported.

  • Terminal window resizable.

  • Auto detect the ssh server’s default encoding.

  • Modern browsers including Chrome, Firefox, Safari, Edge, Opera supported.

Preview

Login Terminal

How it works

+---------+     http     +--------+    ssh    +-----------+
| browser | <==========> | webssh | <=======> | ssh server|
+---------+   websocket  +--------+    ssh    +-----------+

Requirements

  • Python 2.7/3.4+

Quickstart

  1. Install this app, run command pip install webssh

  2. Start a webserver, run command wssh

  3. Open your browser, navigate to 127.0.0.1:8888

  4. Input your data, submit the form.

Server options

# start a http server with specified listen address and listen port
wssh --address='2.2.2.2' --port=8000

# start a https server, certfile and keyfile must be passed
wssh --certfile='/path/to/cert.crt' --keyfile='/path/to/cert.key'

# missing host key policy
wssh --policy=reject

# logging level
wssh --logging=debug

# log to file
wssh --log-file-prefix=main.log

# more options
wssh --help

Use console

// connect to your ssh server
wssh.connect(hostname, port, username, password, privatekey);

// pass an object to wssh.connect
var opts = {
  hostname: 'hostname',
  port: 'port',
  username: 'username',
  password: 'password',
  privatekey: 'the private key text'
};
wssh.connect(opts);

// without an argument, wssh will use the form data to connect
wssh.connect();

// set a new encoding for client to use
wssh.set_encoding(encoding);

// reset encoding to use the default one
wssh.reset_encoding();

// send a command to the server
wssh.send('ls -l');

Tests

Use unittest to run all tests

python -m unittest discover tests

Use pytest to run all tests

python -m pytest tests

Deployment

Running behind an Nginx server

wssh --address='127.0.0.1' --port=8888 --policy=reject
# Nginx config example
location / {
    proxy_pass http://127.0.0.1:8888;
    proxy_http_version 1.1;
    proxy_read_timeout 300;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_set_header Host $http_host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Real-PORT $remote_port;
}

Running as a standalone server

wssh --port=8080 --sslport=4433 --certfile='cert.crt' --keyfile='cert.key' --xheaders=False --policy=reject

Tips

  • For whatever deployment choice you choose, don’t forget to enable SSL.

  • If you choose running this app as a standalone server, redirecting http to https is enabled by default, and only http requests from a public network will be redirected.

  • Try to use reject policy as the missing host key policy along with your verified known_hosts, this will prevent man-in-the-middle attacks. The idea is that it checks the system host keys file(“~/.ssh/known_hosts”) and the application host keys file(“./known_hosts”) in order, if the ssh server’s hostname is not found or the key is not matched, the connection will be aborted.

Metadata

Release files for webssh 0.7.3

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for webssh 0.7.3
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webssh-0.7.3.tar.gz 137.4 kB Details

Release files / webssh-0.7.3.tar.gz

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