webhooks

publish-data.js

// Initialize WebHooks module. 
var WebHooks = require('node-webhooks')
var webHooks = new WebHooks({db: './webHooksDB.json'}) // json file that store webhook URLs
 
// sync instantation - add a new webhook called 'shortname1' 
webHooks.add('shortname1', 'http://www.webapp.com/resources/shortname1').then(function(){
    // done 
}).catch(function(err){console.log(err)})
 
// add another webHook 
webHooks.add('shortname2', 'http://www.webapp.com/resources/shortname2').then(function(){
    // done 
}).catch(function(err){console.log(err)});
 
// trigger a specific webHook 
webHooks.trigger('shortname1', {data: 123})
webHooks.trigger('shortname2', {data: 123456}, {header: 'header'}) // payload will be sent as POST request with JSON body (Content-Type: application/json) and custom header 
 

webhook-sub.txt

*** REQUEST
POST http://www.webapp.com/resources/shortname1
Content-Type : text/uri-list
 
http://client.example.org/listener
 
*** RESPONSE
201 Created
Location : http://www.webapp.com/resources/shortname1/1234
Link : <http://www.webapp.com/resources/shortname1>, rel="Subscriptions"