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A (micro) web-application to make web-based Signal bots easy to write. THIS IS A MIRROR

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Sigarillo

A (micro) web-application to make web-based Signal bots easy to write.

Built on the library libsignal-service-javascript by Josh King and of course the great efforts of the fine folks at Open Whisper Systems.

Implemented features:

  • Register a number with Signal
  • Verify a number with the SMS code
  • Persistence of account data and keys
  • Exposes HTTP endpoints for:
    • sending messages
    • receiving messages

WARNING: This application has not been audited. It should not be regarded as secure, use at your own risk.

This is a third-party effort, and is NOT a part of the official Signal project or any other project of Open Whisper Systems.

What? Why?

When you need to communicate over Signal from a different service, for example, a help desk or other web-app, you don't want to have to port the signal-protocol to your stack (unless you do want that, in which case Sigarillo isn't for you).

You might be willing to make certain security tradeoffs, for example, terminating the end-to-end encryption of the Signal protocol at Sigarillo rather than at your application.

You also understand that you should secure Sigarillo with an HTTPS reverse proxy, or even better, deploy Sigarillo on the same box as your consuming service and don't expose it to the wild at all!

If this all sounds acceptable to you, then you might like Sigarillo.

Sigarillo stores keys and Signal account data in a postgres database. It does not come with HTTPS out of the box. Your Sigarillo API tokens essentially give full access to your Signal account (to the extent that Sigarillo has implemented Signal features). Use with caution. Use with caution.

Usage

Prerequisites

For local development

  • node.js
  • yarn
  • postgresql

Run the thing

# edit env file
$ cp env-sample .env
$ vim .env

Note: By default the Signal staging server will be used, unless the NODE_ENV variable is set to production.

# install deps
$ yarn

# setup db schema
$ yarn run db:migrate

# populate with default data 
$ yarn run db:load

# start the server
$ yarn run debug

# login at http://localhost:3000 with user [email protected]:admin

Do the docker dance

make docker_build
# edit docker-compose.yml.sample to your hearts content
docker-compose up

HTTP API

  1. Use the Accept: application/json header
  2. TOKEN should be treated like a password.

Get bot info

A simple method for testing your bot's auth token. Requires no parameters. Returns basic information about the bot.

request

GET /bot/<TOKEN>/

response

{
    "id": "129f1757-e706-452e-aa1c-4994a95e1092",
    "number": "+15555555552",
    "user_id": "845ae4d0-f2c3-5342-91a2-5b45cb8db57c",
    "token": "8129c0b4-0b96-4486-84fc-c3dd7b03f846",
    "is_verified": true,
    "created_at": "2018-11-02T11:36:24.273Z",
    "updated_at": "2018-11-02T11:36:24.273Z"
}

Sending

request

POST /bot/<TOKEN>/send

{
  "recipient": "+15555555552",
  "messsage": "Hello World!"
}

response

{
  "result": {
    "recipient": "+15555555551",
    "source": "+15555555552",
    "status": "sent",
    "timestamp": "1543420505142"
  }
}

Receive

request

GET /bot/<TOKEN>/receive

response

{
  "messages": [
    {
      "source": "+15555555551",
      "timestamp": "1541265073894",
      "message": {
        "body": "Hello World!",
        "profileKey": "XXTXQ=="
      }
    }
  ],
  "bot": {
    "id": "129f1757-e706-452e-aa1c-4994a95e1092",
    "number": "+15555555552",
    "user_id": "845ae4d0-f2c3-5342-91a2-5b45cb8db57c",
    "token": "8129c0b4-0b96-4486-84fc-c3dd7b03f846",
    "is_verified": true,
    "created_at": "2018-11-02T11:36:24.273Z",
    "updated_at": "2018-11-02T11:36:24.273Z"
  }
}

Todo

  • Find a better name for the project (signal-bots is now Sigarillo)
  • Add tests
  • Voice verification
  • Lock number / registration key
  • Attachments
  • Prometheus metrics
  • Robust error handling
  • Examples of usage (webhook, simple bot, etc)
  • Clean up UI

License

License GNU AGPL v3.0

Sigarillo is a free software project licensed under the GNU Affero General Public License v3.0 (GNU AGPLv3) by The Center for Digital Resilience and Guardian Project.

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A (micro) web-application to make web-based Signal bots easy to write. THIS IS A MIRROR

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