Yield Sift Science - NodeJS

A promise-wrapped helper lib for yielding Sift Science API calls in nodejs.

Also supports regular callbacks.

Table of contents:

• Installation
• Usage
• Events API
• Labels API
• Score API
• Device Fingerprinting API
• Partner API
• Callbacks
• Constants
• Webhooks
• Sift Science Documentation
• Testing
• Change Log

INSTALLATION

Using npm:

$ npm install yield-siftscience

USAGE

Require with API Key:

var siftscience = require('yield-siftscience')({
  api_key: 'YOUR_SIFT_SCIENCE_REST_API_KEY'
});

Available Options:

• api_key: required get your api key
• account_id: optional (required for device fingerprinting api, get your account id)
• partner_id: optional (required for partner api, get your partner id)
• custom_events: optional (ex: ['referral_code_redeemed', 'contacted_customer_support', ...])
• global_callback: optional (ex: function(err, response) { ... } - can be used to override promise and make regular callback on all requests)
• return_action: optional (default: false - can be used to get extra params from sift science responses more info)
• webhooks: optional (default: {} - see webhooks for usage)

EVENTS API

https://siftscience.com/resources/references/events-api

Send Event:

var result = yield siftscience.event.create_account({
  '$session_id': session.id,
  '$user_id':    user.id,
  '$user_email': user.email
});

var result = yield siftscience.event.login({
  '$session_id':   session.id,
  '$user_id':      user.id,
  '$login_status': siftscience.CONSTANTS.STATUS.SUCCESS
});

Send Generic Custom Event:

var result = yield siftscience.event.custom_event('referral_code_redeemed', {
  '$session_id': session.id,
  '$user_id':    user.id,
  'code':        'abc123'
});

var result = yield siftscience.event.custom_event('contacted_customer_support', {
  '$session_id': session.id,
  '$user_id':    user.id
});

Inject Custom Events:

Optionally, you can pass in an array of custom event names to add to the lib

var siftscience = require('yield-siftscience')({
  api_key:       'YOUR_SIFT_SCIENCE_REST_API_KEY',
  custom_events: ['referral_code_redeemed', 'contacted_customer_support', ...]
});

Then you could use

var result = yield siftscience.event.referral_code_redeemed({
  '$session_id': session.id,
  '$user_id':    user.id,
  'code':        'abc123'
});

var result = yield siftscience.event.contacted_customer_support({
  '$session_id': session.id,
  '$user_id':    user.id,
});

LABELS API

https://siftscience.com/resources/references/labels-api

Send Label:

var result = yield siftscience.label(user.id, {
  '$is_bad':      true,
  '$reasons':     [siftscience.CONSTANTS.REASON.SPAM, siftscience.CONSTANTS.REASON.CHARGEBACK],
  '$description': 'Because they are spamming and abusing our system'
});

Remove Label:

var result = yield siftscience.unlabel(user.id);

SCORE API

https://siftscience.com/resources/references/score-api

Get Score:

var result = yield siftscience.score(user.id);

DEVICE FINGERPRINTING API

https://siftscience.com/resources/references/device-fingerprinting

JavaScript Snippet:

Install the following JavaScript snippet on every public-facing page on your site. Do not include this snippet on internal tools or administration systems.

Replace 'UNIQUE_SESSION_ID', 'UNIQUE_USER_ID', and 'INSERT_JS_SNIPPET_KEY_HERE' with proper values

<script type="text/javascript">
  var _session_id = 'UNIQUE_SESSION_ID';
  var _user_id = 'UNIQUE_USER_ID';

  var _sift = _sift || [];
  _sift.push(['_setAccount', 'INSERT_JS_SNIPPET_KEY_HERE']);
  _sift.push(['_setSessionId', _session_id]);
  _sift.push(['_setUserId', _user_id]);
  _sift.push(['_trackPageview']);
  (function() {
    function ls() {
      var e = document.createElement('script');
      e.type = 'text/javascript';
      e.async = true;
      e.src = ('https:' == document.location.protocol ? 'https://' : 'http://') + 'cdn.siftscience.com/s.js';
      var s = document.getElementsByTagName('script')[0];
      s.parentNode.insertBefore(e, s);
    }
    if (window.attachEvent) {
      window.attachEvent('onload', ls);
    } else {
      window.addEventListener('load', ls, false);
    }
  })();
</script>

Init with Account ID:

An Account ID is required to use the fingerprint api. Get your Account ID

var siftscience = require('yield-siftscience')({
  api_key:    'YOUR_SIFT_SCIENCE_REST_API_KEY',
  account_id: 'YOUR_SIFT_SCIENCE_ACCOUNT_ID'
})

Get Session:

var result = yield siftscience.fingerprint.get_session(session.id);

Get Device:

var result = yield siftscience.fingerprint.get_device(device_fingerprint);

Label Device:

var result = yield siftscience.fingerprint.label_device(device_fingerprint, siftscience.CONSTANTS.DEVICE_LABEL.BAD);

Get Devices:

var result = yield siftscience.fingerprint.get_devices(user.id);

PARTNER API

https://siftscience.com/resources/references/partner-api

NOTE: I have not tested these as I do not have a partner account with sift science. Please report any bugs.

Init with Account ID and Partner ID (they may be the same thing, I'm not sure):

An Account & Partner ID are required to use the partner api. Get your Account & Partner ID

var siftscience = require('yield-siftscience')({
  api_key:    'YOUR_SIFT_SCIENCE_REST_API_KEY',
  account_id: 'YOUR_SIFT_SCIENCE_ACCOUNT_ID',
  partner_id: 'YOUR_SIFT_SCIENCE_PARTNER_ID'
})

Create Account:

var result = yield siftscience.partner.create_account({
  site_url:      'merchant123.com',
  site_email:    'owner@merchant123.com',
  analyst_email: 'john.doe@merchant123.com',
  password:      's0mepA55word'
});

List Accounts:

var result = yield siftscience.partner.list_accounts();

Configure Notifications:

var result = yield siftscience.partner.configure_notifications({
  email_notification_threshold: 0.5,
  http_notification_threshold:  0.5,
  http_notification_url:       'https://api.partner.com/notify?account=%s'
});

CALLBACKS

Don't know what yielding or promising is? All calls support regular callbacks:

siftscience.score(user.id, function(_err, _response) {
  if (_err) {
    console.log(_err);
  }
  else {
    var score = _response.body;
    console.log(score);
  }
});

You can also inject a global callback for all requests:

var siftscience = require('yield-siftscience')({
  api_key:         'YOUR_SIFT_SCIENCE_REST_API_KEY',
  global_callback: function(_err, _response) {
    if (_err) {
      console.log(_err);
    }
    else {
      var result = _response.body;
      console.log(result);
    }
  }
});

CONSTANTS

siftscience.CONSTANTS = {
  SHIPPING_METHOD: {
    ELECTRONIC: '$electronic',
    PHYSICAL:   '$physical'
  },
  TRANSACTION_TYPE: {
    SALE:       '$sale',
    AUTHORIZE:  '$authorize',
    CAPTURE:    '$capture',
    VOID:       '$void',
    REFUND:     '$refund',
    DEPOSIT:    '$deposit',
    WITHDRAWAL: '$withdrawal',
    TRANSFER:   '$transfer'
  },
  STATUS: {
    SUCCESS: '$success',
    FAILURE: '$failure',
    PENDING: '$pending'
  },
  SOCIAL_SIGN_ON_TYPE: {
    FACEBOOK: '$facebook',
    GOOGLE:   '$google',
    YAHOO:    '$yahoo',
    TWITTER:  '$twitter',
    OTHER:    '$other'
  },
  PAYMENT_TYPE: {
    CREDIT_CARD:              '$credit_card',
    ELECTRONIC_FUND_TRANSFER: '$electronic_fund_transfer',
    CRYPTO_CURRENCY:          '$crypto_currency',
    CASH:                     '$cash',
    STORE_CREDIT:             '$store_credit',
    GIFT_CARD:                '$gift_card',
    POINTS:                   '$points',
    FINANCING:                '$financing',
    CHECK:                    '$check',
    MONEY_ORDER:              '$money_order',
    VOUCHER:                  '$voucher',
    INTERAC:                  '$interac',
    MASTERPASS:               '$masterpass',
    THIRD_PARTY_PROCESSOR:    '$third_party_processor'
  },
  RESPONSE_STATUS_MESSAGE: {
    0:   'Success',
    51:  'Invalid API key',
    52:  'Invalid characters in field name',
    53:  'Invalid characters in field value',
    54:  'Specified user_id has no scoreable events',
    55:  'Missing required field',
    56:  'Invalid JSON in request',
    57:  'Invalid HTTP body',
    60:  'Rate limited; too many events have been received in a short period of time',
    104: 'Invalid API version',
    105: 'Not a valid reserved field'
  },
  REASON: {
    CHARGEBACK:        '$chargeback',
    SPAM:              '$spam',
    FUNNELING:         '$funneling',
    FAKE:              '$fake',
    REFERRAL:          '$referral',
    DUPLICATE_ACCOUNT: '$duplicate_account'
  },
  DEVICE_LABEL: {
    BAD:     'bad',
    NOT_BAD: 'not_bad'
  }
};

WEBHOOKS

NOTE: Currently only supports express/body-parser

Install Express/Body-Parser:

$ npm install --save express
$ npm install --save body-parser
$ npm install --save yield-siftscience

Example App:

Let's say you have created an action called "Test" with Action ID test

var express    = require('express');
var bodyParser = require('body-parser');

// Require yield-siftscience with a webhooks mapping option
var siftscience = require('yield-siftscience')({
  api_key: 'YOUR_SIFT_SCIENCE_REST_API_KEY',
  webhooks: {
    // This will receive all webhooks, regardless of Action ID
    all: function(req, res, done) {
      console.log('all: ', req.body);
      done();
    },
    // This will receive webhooks with Action ID 'test'
    test: function(req, res, done) {
      console.log('test: ', req.body);
      done();
    }
  }
});

// Set up the webhook listener
var app = express();
app.post('/siftscience', bodyParser.json(), siftscience.webhook.express());

app.listen(config.port);

SIFT SCIENCE DOCUMENTATION

siftscience.com/docs

TESTING

Copy Example Config:

$ cp test/config-example.js test/config.js
$ nano test/config.js

Set Sandbox API Key, JS Key, and Account ID

module.exports = {
  api_key:    'xxxxxxxxxxxxxxxx',
  account_id: 'xxxxxxxxxxxxxxxxxxxxxxxx',
  js_key:     'xxxxxxxxxx',
  host:       'localhost',
  port:       3000
};

Install Dependencies:

$ cd test
$ npm install
$ cd ..

Run Test:

$ npm test

Visit Page:

Visiting the test web page will trigger a page view for user_id = '1' and session_id = '1'

http://localhost:3000

NOTE: You will have to run the test a second time if this is your first time visiting the test web page

CHANGE LOG

0.1.2:

• Add validations for all arguments
• Update readme with more links to source reference

0.1.1:

• Found the return_action documentation - MORE INFO
• Remove support for api version option - will only be supporting the most current version v203
• Add validations for all init options

0.1.0:

• BREAKING CHANGE: Consolidate init args into one options arg - see USAGE
• Add support for return_action in init options - MORE INFO
• Add support for device fingerprinting api
• Add support for partner api - NOTE: I do not have a partner account with sift science, this is untested. Please report any bugs.
• Add CONSTANTS object to siftscience object for things like $reasons and $shipping_method - see LABELS API
• Add express/body-parser webhook support
• Add a minimal test package

0.0.9:

• Add unlabel method to siftscience object