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Example code of whispphp/whisp

Informations about the package whisp

Whisp

Your pure* PHP SSH server ∙ the simplest & best way to build PHP SSH apps

[!NOTE] Quick example: sign our guestbook (See the code)

Got a one-time secret to share? ssh [email protected]

Explore the full docs at WhispPHP.com »

Installation

We recommend using our template project to get setup with Whisp & Laravel Prompts.

You can also add Whisp to an existing project with composer.

Coming soon: Laravel package, Laravel starter kit, and a Docker image.

Requirements

Usage

Run the server on the port & IP you'd like, with the apps you want to make available. Each connection is forked to its own process and runs independently.

Once running you can test with:

Default app

Guestbook app

Environment variables available to each app

These are each available as environment variables.

Variable Description Notes
WHISP_APP The name of the app being requested
WHISP_CLIENT_IP The IP address of the connecting client
WHISP_USER_PUBLIC_KEY Validated public key of the connecting user This has been checked against their private key and can be trusted
WHISP_TTY The TTY information for the connection e.g. /dev/ttys072
WHISP_USERNAME The username used in the SSH connection Unavailable when no username passed, or when the username is a valid app
WHISP_COLS Requested terminal width in chars
WHISP_ROWS Requested terminal height
WHISP_WIDTH_PX Requested terminal width in pixels
WHISP_HEIGHT_PX Requested terminal height in pixels
WHISPPARAM{name} Passed only when using app params, i.e. chat-{roomName}

Clients requesting apps

There are two ways for clients to request an available app:

  1. Username method: ssh app@server - we use the 'username' here as the app name if it matches an available app.
    • Much cleaner, but means if you need the username for auth you can't define the app this way
  2. Command method: ssh server -t app - request an interactive shell (-t) with the requested app

Explore the full docs at WhispPHP.com », which also show how to setup Whisp to listen on port 22, start on boot, and restart on failure with systemd.

Live Examples

Play the Dinorun game ∙ See the code

Share one-time secrets Fully encrypted, and fully secure. Only the person with the valid private SSH key can access them.

View your sunrise/sunset times ∙ See the code

Find your closest World Heritage Sites

Support & Credits

This was developed by Ashley Hindle. If you like it, please star it, share it, and let me know!

All versions of whisp with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
ext-pcntl Version *
ext-sodium Version *
ext-ffi Version *
ext-mbstring Version *
psr/log Version ^3.0
phpseclib/phpseclib Version ^3.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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