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@jonchurch
Last active June 16, 2017 21:52
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Use custom express webserver with Botkit
var Botkit = require('botkit');
// Create the Botkit controller, which controls all instances of the bot.
var controller = Botkit.facebookbot({
debug: true,
verify_token: process.env.verify_token,
access_token: process.env.page_token,
});
// Set up an Express-powered webserver to expose oauth and webhook endpoints
// We are passing the controller object into our express server module
// so we can extend it and process incoming message payloads
var webserver = require('./express_webserver.js')(controller);
module.exports = function(webserver, controller) {
// Receive post data from fb, this will be the messages you receive
webserver.post('/facebook/receive', function(req, res) {
// respond to FB that the webhook has been received.
res.status(200);
res.send('ok');
var bot = controller.spawn({});
// Now, pass the webhook into be processed
controller.handleWebhookPayload(req, res, bot);
});
// Perform the FB webhook verification handshake with your verify token
webserver.get('/facebook/receive', function(req, res) {
if (req.query['hub.mode'] == 'subscribe') {
if (req.query['hub.verify_token'] == controller.config.verify_token) {
res.send(req.query['hub.challenge']);
} else {
res.send('OK');
}
}
});
}
var express = require('express');
var bodyParser = require('body-parser');
var querystring = require('querystring');
module.exports = function(controller, bot) {
var webserver = express();
webserver.use(bodyParser.json());
webserver.use(bodyParser.urlencoded({ extended: true }));
webserver.use(express.static('public'));
// You can pass in whatever hostname you want as the second argument
// of the express listen function, it defaults to 0.0.0.0 aka localhost
webserver.listen(process.env.PORT || 3000, null, function() {
console.log('Express webserver configured and listening at ',
process.env.HOSTNAME || 'http://localhost/' + ':' + process.env.PORT || 3000);
});
// Register our routes, in this case we're just using one route
// for all incoming requests from FB
// We are passing in the webserver we created, and the botkit
// controller into our routes file so we can extend both of them
require('./webhook_routes.js')(webserver, controller)
controller.webserver = webserver;
return webserver;
}
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