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app.js
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app.js
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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license.
//
const crypto = require('crypto');
// Token generated by Teams
const sharedSecret = "<Security token generated by Microsoft Teams>"; // e.g. "+ZaRRMC8+mpnfGaGsBOmkIFt98bttL5YQRq3p2tXgcE="
const bufSecret = Buffer.from(sharedSecret, "base64");
var http = require('http');
var PORT = process.env.port || process.env.PORT || 3978;
http.createServer(function (request, response) {
var payload = '';
// Process the request
request.on('data', function (data) {
payload += data;
});
// Respond to the request
request.on('end', function () {
try {
// Retrieve authorization HMAC information
var auth = this.headers['authorization'];
// Calculate HMAC on the message we've received using the shared secret
var msgBuf = Buffer.from(payload, 'utf8');
var msgHash = "HMAC " + crypto.createHmac('sha256', bufSecret).update(msgBuf).digest("base64");
response.writeHead(200);
if (msgHash === auth) {
var receivedMsg = JSON.parse(payload);
// The text received to webhook
var receivedText = receivedMsg.text;
// The message sent by webhook
var responseMsg = '';
switch (true) {
case (receivedText.indexOf("adaptive-card") != -1):
// Creating adaptive card response
responseMsg = JSON.stringify({
"type": "message",
"attachments": [
{
"contentType": "application/vnd.microsoft.card.adaptive",
"contentUrl": null,
"content": {
"type": "AdaptiveCard",
"version": "1.4",
"body": [
{
"type": "TextBlock",
"text": "Request sent by: " + receivedMsg.from.name
},
{
"type": "Image",
"url": "https://c.s-microsoft.com/en-us/CMSImages/DesktopContent-04_UPDATED.png?version=43c80870-99dd-7fb1-48c0-59aced085ab6"
},
{
"type": "TextBlock",
"text": "Sample image for Adaptive Card."
}
]
},
"name": null,
"thumbnailUrl": null
}
]
});
break;
case (receivedText.indexOf("hero-card") != -1):
// Creating hero card response
responseMsg = JSON.stringify({
"type": "message",
"attachments": [
{
"contentType": "application/vnd.microsoft.card.hero",
"content": {
"title": "Seattle Center Monorail",
"subtitle": "Seattle Center Monorail",
"text": "The Seattle Center Monorail is an elevated train line between Seattle Center (near the Space Needle) and downtown Seattle. It was built for the 1962 World's Fair. Its original two trains, completed in 1961, are still in service.",
"images": [
{
"url": "https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Seattle_monorail01_2008-02-25.jpg/1024px-Seattle_monorail01_2008-02-25.jpg"
}
],
"buttons": [
{
"type": "openUrl",
"title": "Official website",
"value": "https://www.seattlemonorail.com"
},
{
"type": "openUrl",
"title": "Wikipeda page",
"value": "https://en.wikipedia.org/wiki/Seattle_Center_Monorail"
}
]
}
}
]
});
break;
case (receivedText.indexOf("list-card") != -1):
// Creating list card response
responseMsg = JSON.stringify({
"type": "message",
"attachments": [
{
"contentType": "application/vnd.microsoft.teams.card.list",
"content": {
"title": "Card title",
"items": [
{
"type": "file",
"id": "https://contoso.sharepoint.com/teams/new/Shared%20Documents/Report.xlsx",
"title": "Report",
"subtitle": "teams > new > design",
"tap": {
"type": "imBack",
"value": "editOnline https://contoso.sharepoint.com/teams/new/Shared%20Documents/Report.xlsx"
}
},
{
"type": "resultItem",
"icon": "https://cdn2.iconfinder.com/data/icons/social-icons-33/128/Trello-128.png",
"title": "Trello title",
"subtitle": "A Trello subtitle",
"tap": {
"type": "openUrl",
"value": "http://trello.com"
}
},
{
"type": "section",
"title": "Manager"
},
{
"type": "person",
"id": "JohnDoe@contoso.com",
"title": "John Doe",
"subtitle": "Manager",
"tap": {
"type": "imBack",
"value": "whois JohnDoe@contoso.com"
}
}
],
"buttons": [
{
"type": "imBack",
"title": "Select",
"value": "whois"
}
]
}
}
]
});
break;
case (receivedText.indexOf("o365-card") != -1):
// Creating O365 connector card response
responseMsg = JSON.stringify({
"type": "message",
"attachments": [
{
"contentType": "application/vnd.microsoft.teams.card.o365connector",
"content": {
"@type": "MessageCard",
"@context": "http://schema.org/extensions",
"summary": "John Doe commented on Trello",
"title": "Project Tango",
"sections": [
{
"activityTitle": "John Doe commented",
"activitySubtitle": "On Project Tango",
"activityText": "\"Here are the designs\"",
"activityImage": "http://connectorsdemo.azurewebsites.net/images/MSC12_Oscar_002.jpg"
},
{
"title": "Details",
"facts": [
{
"name": "Labels",
"value": "Designs, redlines"
},
{
"name": "Due date",
"value": "Dec 7, 2016"
},
{
"name": "Attachments",
"value": "[final.jpg](http://connectorsdemo.azurewebsites.net/images/WIN14_Jan_04.jpg)"
}
]
},
{
"title": "Images",
"images": [
{
"image": "http://connectorsdemo.azurewebsites.net/images/MicrosoftSurface_024_Cafe_OH-06315_VS_R1c.jpg"
},
{
"image": "http://connectorsdemo.azurewebsites.net/images/WIN12_Scene_01.jpg"
},
{
"image": "http://connectorsdemo.azurewebsites.net/images/WIN12_Anthony_02.jpg"
}
]
}
],
"potentialAction": [
{
"@context": "http://schema.org",
"@type": "ViewAction",
"name": "View in Trello",
"target": [
"https://trello.com/c/1101/"
]
}
]
}
}
]
});
break;
case (receivedText.indexOf("thumbnail-card") != -1):
// Creating O365 card response
responseMsg = JSON.stringify({
"type": "message",
"attachments": [
{
"contentType": "application/vnd.microsoft.card.thumbnail",
"content": {
"title": "Bender",
"subtitle": "tale of a robot who dared to love",
"text": "Bender Bending Rodríguez is a main character in the animated television series Futurama. He was created by series creators Matt Groening and David X. Cohen, and is voiced by John DiMaggio",
"images": [
{
"url": "https://upload.wikimedia.org/wikipedia/en/a/a6/Bender_Rodriguez.png",
"alt": "Bender Rodríguez"
}
],
"buttons": [
{
"type": "imBack",
"title": "Thumbs Up",
"image": "http://moopz.com/assets_c/2012/06/emoji-thumbs-up-150-thumb-autox125-140616.jpg",
"value": "I like it"
},
{
"type": "imBack",
"title": "Thumbs Down",
"image": "http://yourfaceisstupid.com/wp-content/uploads/2014/08/thumbs-down.png",
"value": "I don't like it"
},
{
"type": "openUrl",
"title": "I feel lucky",
"image": "http://thumb9.shutterstock.com/photos/thumb_large/683806/148441982.jpg",
"value": "https://www.bing.com/images/search?q=bender&qpvt=bender&qpvt=bender&qpvt=bender&FORM=IGRE"
}
],
"tap": {
"type": "imBack",
"value": "Tapped it!"
}
}
}
]
});
break;
default:
// Sending plain text as response message
responseMsg = '{ "type": "message", "text": "**You typed**: ' + receivedMsg.text + ' \n **Commands supported**: adaptive-card, hero-card, list-card, o365-card and thumbnail-card " }';
break;
}
} else {
var responseMsg = '{ "type": "message", "text": "Error: message sender cannot be authenticated." }';
}
response.write(responseMsg);
response.end();
} catch (err) {
response.writeHead(400);
return response.end("Error: " + err + "\n" + err.stack);
}
});
}).listen(PORT, error => {
if (error) {
console.log(error);
return process.exit(1);
} else {
console.log('Listening on port: %s', PORT);
}
});