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@gagejustins gagejustins/slash.js
Created Jun 27, 2018

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const request = require('request');
* Sends input from a Slack SlashCommand to Algorithmia's nlp/SummarizeURL, and returns result
* @param {!Object} req Cloud Function request context.
* @param {!Object} res Cloud Function response context.
exports.summarizeURL = function summarizeURL(req, res) {
// verify that this request came from a valid Slack App
if(req.body.token != 'SLACK_VERIFICATION_TOKEN') {
return res.status(200).send('Invalid Auth Token: please contact your administrator');
// respond immediately to let Slack know we're here (actual content will be sent asynchronously later)
console.log('request: '+JSON.stringify(req.body));
// call Algorithmia's nlp/SummarizeURL API, sending it whatever text the user passed in
var options = {
uri: "",
method: 'POST',
headers: {
'Authorization': 'Simple YOUR_API_KEY',
'Content-Type': 'text/plain'
body: req.body.text.trim()
request(options, function(error, response, body) {
console.log('response: '+JSON.stringify(response));
var responsetext = JSON.parse(body).result?JSON.parse(body).result:JSON.parse(body);
// POST to callback URL specified in original request
var options = {
uri: req.body.response_url,
method: 'POST',
body: JSON.stringify({
"response_type": "in_channel",
"text": responsetext
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