Webhook Notifications Quick Start

$ npm install ringcentral --save
$ npm install dotenv --save

$ ngrok http 5000

var http = require('http');
PORT  = 5000

var server = http.createServer(function(req, res) {
  if (req.method == 'POST') {
    if (req.url == "/webhook") {
      if (req.headers.hasOwnProperty("validation-token")) {
        res.setHeader('Content-type', 'application/json');
        res.setHeader('Validation-Token', req.headers['validation-token']);
        res.statusCode = 200;
        res.end();
      } else {
        var body = []
        req.on('data', function(chunk) {
          body.push(chunk);
        }).on('end', function() {
          body = Buffer.concat(body).toString();
          var jsonObj = JSON.parse(body)
          console.log(jsonObj.body);
        });
      }
    }
  }
});

server.listen(PORT);
console.log(`Listening on port ${PORT}`)

const RC = require('@ringcentral/sdk').SDK
const path = require('path')
// Remember to modify the path to where you saved your .env file!
require('dotenv').config({ path: path.resolve(__dirname, '../.env') })


// For the purpose of testing the code, we put the deliver address in the environment variable.
// Feel free to set the delivery address directly.
DELIVERY_ADDRESS = process.env.WEBHOOK_DELIVERY_ADDRESS + "/webhook"


// Instantiate the SDK and get the platform instance
var rcsdk = new RC({
    'server':       process.env.RC_SERVER_URL,
    'clientId':     process.env.RC_CLIENT_ID,
    'clientSecret': process.env.RC_CLIENT_SECRET
});
var platform = rcsdk.platform();

/* Authenticate a user using a personal JWT token */
platform.login({ 'jwt':  process.env.RC_JWT })

platform.on(platform.events.loginSuccess, function(e){
    subscribe_for_notification()
    //read_subscriptions()
});

platform.on(platform.events.loginError, function(e){
    console.log("Unable to authenticate to platform. Check credentials.", e.message)
    process.exit(1)
});

/*
* Create a Webhok notification and subscribe for instant SMS message notification
*/
async function subscribe_for_notification() {
  var bodyParams = {
    eventFilters: ['/restapi/v1.0/account/~/extension/~/message-store/instant?type=SMS'],
    deliveryMode: {
      transportType: "WebHook",
      address: DELIVERY_ADDRESS
    },
    expiresIn: 3600
  }
  try {
    let endpoint = "/restapi/v1.0/subscription"
    var resp = await platform.post(endpoint, bodyParams)
    var jsonObj = await resp.json()
    console.log (`Subscription Id: ${jsonObj.id}`)
    console.log("Ready to receive incoming SMS via WebHook.")
  } catch (e) {
    console.log(e.message);
  }
}

/*
* Read all created subscriptions
*/
async function read_subscriptions(){
  try {
    let endpoint = "/restapi/v1.0/subscription"
    var resp = await platform.get(endpoint)
    var jsonObj = await resp.json()
    if (jsonObj.records.length == 0)
      console.log("No subscription.")
    else {
      for (var record of jsonObj.records){
        console.log(record)
        delete_subscription(record.id)
      }
    }
  } catch (e) {
    console.erlogror(e.message);
  }
}

/*
* Delete a subscription identified by the subscription id
*/
async function delete_subscription(subscriptionId){
  try {
    let endpoint = `/restapi/v1.0/subscription/${subscriptionId}`
    var resp = await platform.delete(endpoint)
    console.log (`Subscription ${subscriptionId} deleted.`)
  } catch (e) {
    console.log(e.message);
  }
}

$ node webhook-server.js
$ node webhook-notification.js

$ pip install ringcentral python-dotenv

$ ngrok http 5000

from http.server import BaseHTTPRequestHandler, HTTPServer

class S(BaseHTTPRequestHandler):
    def do_POST(self):
        path = self.path
        if path == "/webhook":
            validationToken = self.headers['Validation-Token']
            if validationToken is not None:
                self.send_response(200)
                self.send_header('Content-type', 'application/json')
                self.send_header('Validation-Token', validationToken)
                return self.end_headers()
            else:
                content_len = int(self.headers.get('Content-Length'))
                payload = self.rfile.read(content_len)
                print (payload)
                return
        else:
            print ("Ignore this")


def run(server_class = HTTPServer, handler_class = S, port=5000):
    server_address = ('', port)
    httpd = server_class(server_address, handler_class)
    print ('Starting server...')
    httpd.serve_forever()

if __name__ == "__main__":
    from sys import argv

if len(argv) == 2:
    run(port=int(argv[1]))
else:
    run()

import os, sys, json

from dotenv import load_dotenv
from ringcentral import SDK
load_dotenv()

# For the purpose of testing the code, we put the deliver address in the environment variable.
# Feel free to set the delivery address directly.
DELIVERY_ADDRESS= os.environ.get('WEBHOOK_DELIVERY_ADDRESS') + "/webhook"

#
# Create a Webhok notification and subscribe for instant SMS message notification
#
def subscribe_for_notification():
    try:
        eventFilters = ['/restapi/v1.0/account/~/extension/~/message-store/instant?type=SMS']
        bodyParams = {
            'eventFilters' : eventFilters,
            'deliveryMode': {
                'transportType': 'WebHook',
                'address': DELIVERY_ADDRESS
            },
            'expiresIn': 3600
        }
        endpoint = "/restapi/v1.0/subscription"
        resp = platform.post(endpoint, bodyParams)
        jsonObj = resp.json()
        print (f"Subscription id: {jsonObj.id}")
        print ("Ready to receive incoming SMS via WebHook.")
    except Exception as e:
        print ("Webhook creation failed.")
        print(f"An exception was thrown: {e}")


#
# Read all created subscriptions
#
def read_subscriptions():
    try:
        endpoint = "/restapi/v1.0/subscription"
        resp = platform.get(endpoint)
        jsonObj = resp.json_dict()
        if jsonObj['records'].count == 0:
            print ("No subscription.")
        else:
            for record in jsonObj['records']:
                print(json.dumps(record, indent=2, sort_keys=True))
                delete_subscription(record['id'])
    except Exception as e:
        print(f"An exception was thrown: {e}")

#
# Delete a subscription identified by the subscription id
#
def delete_subscription(subscriptionId):
    try:
        endpoint = f"/restapi/v1.0/subscription/{subscriptionId}"
        resp = platform.delete(endpoint)
        print (f"Subscription {subscriptionId} deleted.")
    except Exception as e:
        print(f"An exception was thrown: {e}")

# Instantiate the SDK and get the platform instance
rcsdk = SDK( os.environ.get('RC_CLIENT_ID'),
             os.environ.get('RC_CLIENT_SECRET'),
             os.environ.get('RC_SERVER_URL') )
platform = rcsdk.platform()

# Authenticate a user using a personal JWT token
def login():
    try:
      platform.login( jwt=os.environ.get('RC_JWT') )
      subscribe_for_notification()
      #read_subscriptions()
    except Exception as e:
      sys.exit("Unable to authenticate to platform. Check credentials." + str(e))

login()

$ python3 webhook-server.py
$ python3 webhook-notification.py

$ curl -sS https://getcomposer.org/installer | php
$ php composer.phar require ringcentral/ringcentral-php vlucas/phpdotenv

$ ngrok http 5000

<?php
if (isset($_REQUEST['webhook'])){
    echo ("Notifications?");
    if (array_key_exists('HTTP_VALIDATION_TOKEN', $_SERVER)) {
       header("Content-type: application/json");
       return header("Validation-Token: {$_SERVER['HTTP_VALIDATION_TOKEN']}");
    }else{
      $jsonStr = file_get_contents('php://input');
      print_r ($jsonStr);
      $jsonObj = json_decode($jsonStr, TRUE);
      print_r($jsonObj);
    }
}
?>

<?php
// Remember to modify the path to where you installed the RingCentral SDK and saved your .env file!
require('./../vendor/autoload.php');
$dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . './../');
$dotenv->load();

// For the purpose of testing the code, we put the deliver address in the environment variable.
// Feel free to set the delivery address directly.
$DELIVERY_ADDRESS= $_ENV['WEBHOOK_DELIVERY_ADDRESS'] . "/webhook-server.php?webhook";

# Instantiate the SDK and get the platform instance
$rcsdk = new RingCentral\SDK\SDK( $_ENV['RC_CLIENT_ID'],
                                  $_ENV['RC_CLIENT_SECRET'],
                                  $_ENV['RC_SERVER_URL'] );
$platform = $rcsdk->platform();

// Authenticate a user using a personal JWT token
try {
  $platform->login( [ "jwt" => $_ENV['RC_JWT'] ] );
  subscribe_for_notification();
  //read_subscriptions();
} catch (\RingCentral\SDK\Http\ApiException $e) {
  exit("Unable to authenticate to platform. Check credentials. " . $e->message . PHP_EOL);
}

/*
* Create a Webhok notification and subscribe for instant SMS message notification
*/
function subscribe_for_notification(){
  global $platform, $DELIVERY_ADDRESS;
  try {
      $bodyParams = array(
          'eventFilters' => array(
              '/restapi/v1.0/account/~/extension/~/message-store/instant?type=SMS'
          ),
          'deliveryMode' => array(
              'transportType' => "WebHook",
              'address' => $DELIVERY_ADDRESS
          ),
          'expiresIn' => 3600 );
      $endpoint = "/restapi/v1.0/subscription";
      $resp = $platform->post($endpoint, $bodyParams);
      print_r ("Subscription Id: " . $resp->json()->id . PHP_EOL);
      print_r ("Ready to receive incoming SMS via WebHook.");
  } catch (Exception $e) {
      print_r ("Exception: " . $e->getMessage());
  }
}

/*
* Read all created subscriptions
*/
function read_subscriptions(){
  global $platform;
  try {
      $endpoint = "/restapi/v1.0/subscription";
      $resp = $platform->get($endpoint);
      if (count($resp->json()->records) == 0)
        print_r ("No subscription");
      else {
        foreach ($resp->json()->records as $record) {
          print_r (json_encode($record, JSON_PRETTY_PRINT) . PHP_EOL);
          delete_subscription($record->id);
        }
      }
  } catch (Exception $e) {
      print_r ("Exception: " . $e->getMessage());
  }
}

/*
* Delete a subscription identified by the subscription id
*/
function delete_subscription($subscriptionId){
  global $platform;
  try {
      $endpoint = "/restapi/v1.0/subscription/" . $subscriptionId;
      $resp = $platform->delete($endpoint);
      print_r ("Subscription " . $subscriptionId . " deleted.");
  } catch (Exception $e) {
      print_r ("Exception: " . $e->getMessage());
  }
}

$ php -S localhost:5000
$ php webhook-notification.php

$ gem install ringcentral-sdk
$ gem install dotenv
$ gem install sinatra

$ ngrok http 5000

require 'sinatra'
set :port, 5000
post '/webhook' do
    status 200
    headers('Content-Type' => 'application/json')
    headers('Validation-Token' => request.env['HTTP_VALIDATION_TOKEN'])
    if request.env['HTTP_VALIDATION_TOKEN']
      request.body.rewind
    end
    body = request.body.read
    puts body
    # do whatever with body
    body 'OK'
end

require 'ringcentral'
require 'dotenv'
# Remember to modify the path to where you saved your .env file!
Dotenv.load("./../.env")

# For the purpose of testing the code, we put the deliver address in the environment variable.
# Feel free to set the delivery address directly.
DELIVERY_ADDRESS = ENV['WEBHOOK_DELIVERY_ADDRESS'] + "/webhook"

#
# Create a Webhok notification and subscribe for instant SMS message notification
#
def subscribe_for_notification()
  begin
    eventFilters = ['/restapi/v1.0/account/~/extension/~/message-store/instant?type=SMS']
    bodyParams = {
      eventFilters: eventFilters,
      deliveryMode: {
        transportType: 'WebHook',
        address: DELIVERY_ADDRESS
      },
      expiresIn: 3600
    }
    endpoint = "/restapi/v1.0/subscription"
    resp = $platform.post(endpoint, payload: bodyParams)
    if (resp.status == 200)
      puts (resp.body)
      puts ("Subscription id: " + resp.body['id'])
      puts ("Ready to receive incoming SMS via WebHook.")
    else
      puts ("Webhook creation failed.")
      puts (resp.body)
    end
  rescue StandardError => e
    puts e
  end
end

#
# Read all created subscriptions
#
def read_subscriptions()
  begin
    endpoint = "/restapi/v1.0/subscription"
    resp = $platform.get(endpoint)
    if (resp.body['records'].length == 0)
      puts ("No subscription.")
    else
      for record in resp.body['records'] do
        puts JSON.pretty_generate(JSON.parse(record.to_json))
        delete_subscription(record['id'])
      end
    end
  rescue StandardError => e
    puts e
  end
end

#
# Delete a subscription identified by the subscription id
#
def delete_subscription(subscriptionId)
  begin
    endpoint = "/restapi/v1.0/subscription/" + subscriptionId
    resp = $platform.delete(endpoint)
    puts ("Subscription " + subscriptionId + " deleted.")
  rescue StandardError => e
    puts e
  end
end

# Instantiate the SDK and get the platform instance
$platform = RingCentral.new( ENV['RC_CLIENT_ID'], ENV['RC_CLIENT_SECRET'], ENV['RC_SERVER_URL'] )

# Authenticate a user using a personal JWT token
def login()
  begin
    $platform.authorize(jwt: ENV['RC_JWT'])
    subscribe_for_notification()
    #read_subscriptions()
  rescue StandardError => e
    puts ("Unable to authenticate to platform. Check credentials." + e.to_s)
  end
end

login()

$ ruby webhook-server.rb
$ ruby webhook-notification.rb

mkdir webhook-demo
cd webhook-demo
dotnet new sln

mkdir webhook-server
cd webhook-server
dotnet new web

using System;
using System.IO;
using System.Text;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Primitives;

namespace webhooks
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment()) app.UseDeveloperExceptionPage();

            app.Run( async (context) =>
                {
                    context.Request.Headers.TryGetValue("Validation-Token", out StringValues validationToken);
                    context.Response.Headers.Add("Validation-Token", validationToken);
                    if (context.Request.Path == "/webhook" && context.Request.Method == "POST")
                    {
                        using (StreamReader reader = new StreamReader(context.Request.Body, Encoding.UTF8))
                        {
                            var eventPayload = await reader.ReadToEndAsync();
                            Console.WriteLine(eventPayload);
                        }
                    }
                });
        }
    }
}

$ ngrok http 5000

mkdir setup-webhook
cd setup-webhook
dotnet new console
dotnet add package RingCentral.Net -v "6.0.0"
dotnet add package dotenv.Net

using System;
using System.Threading.Tasks;
using RingCentral;
using dotenv.net;

namespace setup_webhook
{
    class Program
    {
        static RestClient restClient;
        static string DELIVERY_ADDRESS = "";

        static async Task Main(string[] args)
        {
            DotEnv.Load();

            // For the purpose of testing the code, we put the deliver address in the environment variable.
            // Feel free to set the delivery address directly.
            DELIVERY_ADDRESS = Environment.GetEnvironmentVariable("WEBHOOK_DELIVERY_ADDRESS") + "/webhook";

            try
            {
                // Instantiate the SDK
                restClient = new RestClient(
                    Environment.GetEnvironmentVariable("RC_CLIENT_ID"),
                    Environment.GetEnvironmentVariable("RC_CLIENT_SECRET"),
                    Environment.GetEnvironmentVariable("RC_SERVER_URL"));

                // Authenticate a user using a personal JWT token
                await restClient.Authorize(Environment.GetEnvironmentVariable("RC_JWT"));
                await subscribe_for_notification();
                //await read_subscriptions();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        /*
        * Create a Webhok notification and subscribe for instant SMS message notification
        */
        static private async Task subscribe_for_notification()
        {
            try
            {
                var bodyParams = new CreateSubscriptionRequest();
                bodyParams.eventFilters = new[] { "/restapi/v1.0/account/~/extension/~/message-store/instant?type=SMS" };
                bodyParams.deliveryMode = new NotificationDeliveryMode()
                {
                    transportType = "WebHook",
                    address = DELIVERY_ADDRESS
                };
                bodyParams.expiresIn = 3600;

                var resp = await restClient.Restapi().Subscription().Post(bodyParams);
                Console.WriteLine("Subscription Id: " + resp.id);
                Console.WriteLine("Ready to receive incoming SMS via WebHook.");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        /*
        * Read all created subscriptions
        */
        static private async Task read_subscriptions()
        {
            try
            {
                var resp = await restClient.Restapi().Subscription().List();
                if (resp.records.Length == 0)
                {
                    Console.WriteLine("No subscription.");
                }
                else
                {
                    foreach (var record in resp.records)
                    {
                        Console.WriteLine(JsonConvert.SerializeObject(record));
                        await delete_subscription(record.id);
                    }
                }

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        /*
        * Delete a subscription identified by the subscription id
        */
        static private async Task delete_subscription(String subscriptionId)
        {
            try
            {
                var resp = await restClient.Restapi().Subscription(subscriptionId).Delete();
                Console.WriteLine("Subscription " + subscriptionId + " deleted.");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

dotnet run

dotnet run

dependencies {
    // ...
    implementation 'org.eclipse.jetty.aggregate:jetty-all:9.4.51.v20230217'
}

package WebhookServer;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;

public class WebhookServer extends AbstractHandler
{
    @Override
    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
    {
        response.setStatus(HttpServletResponse.SC_OK);
        response.setHeader("Validation-Token", request.getHeader("Validation-Token"));
        if (request.getMethod() == "POST")
        {
            String body = request.getReader().lines().collect( java.util.stream.Collectors.joining(System.lineSeparator()) );
            System.out.println(body);
        }
        response.getWriter().println("OK");
        baseRequest.setHandled(true);
    }

    public static void main( String[] args ) throws Exception
    {
        Server server = new Server(5000);
        server.setHandler(new WebhookServer());
        server.start();
        server.join();
    }
}

dependencies {
    // ...
    compile 'com.ringcentral:ringcentral:3.0.0'
}

package WebHookNotification;

public class WebHookNotification {

  public static void main(String[] args) {
    // TODO Auto-generated method stub

  }
}

$ ngrok http 5000