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Do I need this?

This repository is intended for software developers who wish to modify the Farmbot Web App. If you are not a developer, you are highly encouraged to use the publicly available web app.

If you are a developer interested in contributing or would like to provision your own server, you are in the right place.

Farmbot Web API

LATEST STABLE VERSION IS HERE ⭐ ⭐ ⭐

This Repo is RESTful JSON API for Farmbot. This includes things like storage of user data, plant data, authorization tokens and a variety of other resources.

The key responsibility of the API is information and permissions management. This should not be confused with device control, which is done via MQTT.

Developer setup

git clone https://github.com/FarmBot/Farmbot-Web-API farmbot-web-app
cd farmbot-web-app
bundle install
MQTT_HOST=your_mqtt_server_domain rails s
Start the Web Front End (See it's README)
Open localhost in your favorite web browser

Provisioning Your Own with Dokku

Please see deployment.md.

Config Settings (important)

Here are some of the configuration options you must set when provisioning a new server:

Encryption keys: Encryption keys will be autogenerated if not present. They can be reset using rake keys:generate. If ENV['RSA_KEY'] is set, it will be used in place of the *.pem files. Useful for environments like Heroku, where file system access is not allowed.
ENV['DEVISE_SECRET']: Used for devise. Use rake secret to generate a new value.
ENV['MQTT_HOST']: Host (no port or slashes or anything) of running MQTT gateway. This is required so that Farmbot can know where to connect when given an authorization token.
ENV['JS_FILE_URL']: URL pointing to the Farmbot Frontend bundle.js file. This is what gets injected into the <script> tag when the user visits /app.
ENV['API_HOST']: Domain of the server. Default is localhost.
ENV['API_PORT']: Port the server is on. Default is 3000.

We can't fix issues we don't know about. Please submit an issue if you are having trouble installing on your local machine.

Running Specs

Please run them before submitting pull requests.

bundle exec rspec spec

Generating an API token

You must pass a token string into most HTTP requests under the Authorization: request header.

Here's what a response looks like when you request a token:

{
    "token": {
        "unencoded": {
            "sub": "test123@test.com",
            "iat": 1459109728,
            "jti": "922a5a0d-0b3a-4767-9318-1e41ae600352",
            "iss": "http://localhost:3000/",
            "exp": 1459455328,
            "mqtt": "localhost",
            "bot": "aa7bb37f-5ba3-4654-b2e4-58ed5746508c"
        },
        "encoded":
        // THE IMPORTANT PART IS HERE!!:
         "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJ0ZXN0MTIzQHRlc3QuY29tIiwiaWF0IjoxNDU5MTA5NzI4LCJqdGkiOiI5MjJhNWEwZC0wYjNhLTQ3NjctOTMxOC0xZTQxYWU2MDAzNTIiLCJpc3MiOiJodHRwOi8vbG9jYWxob3N0OjMwMDAvIiwiZXhwIjoxNDU5NDU1MzI4LCJtcXR0IjoibG9jYWxob3N0IiwiYm90IjoiYWE3YmIzN2YtNWJhMy00NjU0LWIyZTQtNThlZDU3NDY1MDhjIn0.KpkNGR9YH68AF3iHP48GormqXzspBJrDGm23aMFGyL_eRIN8iKzy4gw733SaJgFjmebJOqZkz3cly9P5ZpCKwlaxAyn9RvfjQgFcUK0mywWAAvKp5lHfOFLhBBGICTW1r4HcZBgY1zTzVBw4BqS4zM7Y0BAAsflYRdl4dDRG_236p9ETCj0MSYxFagfLLLq0W63943jSJtNwv_nzfqi3TTi0xASB14k5vYMzUDXrC-Z2iBdgmwAYUZUVTi2HsfzkIkRcTZGE7l-rF6lvYKIiKpYx23x_d7xGjnQb8hqbDmLDRXZJnSBY3zGY7oEURxncGBMUp4F_Yaf3ftg4Ry7CiA"
    }
}

Important: The response is provided as JSON for human readability. For you Authorization header, you will only be using data.token.encoded. In this example, it's the string starting with eyJ0eXAiOiJ...

Via CURL

curl -H "Content-Type: application/json" \
     -X POST \
     -d '{"user":{"email":"test123@test.com","password":"password123"}}' \
     https://my.farmbot.io/api/tokens

Via JQuery

Since the API supports CORS, you can generate your token right in the browser.

Here's an example:

$.ajax({
    url: "https://my.farmbot.io/api/tokens",
    type: "POST",
    data: JSON.stringify({user: {email: 'admin@admin.com', password: 'password123'}}),
    contentType: "application/json"
})
.then(function(data){
  // You can now use your token:
  var MY_SHINY_TOKEN = data.token.encoded;
});

How to Contribute

Pull requests are always appreciated, but please
- Write tests.
- Follow the Ruby Community Style Guide.
- Raise issues. We love to know about issues. Even the issues you think are only relevant to your setup. Just submit issues if you have issues.

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