Botkit: SSL/HTTPS for Slack

[seriousssam]

Hello!

I'm trying to enable SSL so I can package my bot and its slash commands into a Slack app.

I modified SlackBot.js this way:

    slack_botkit.webserver = express();
    slack_botkit.webserver.use(bodyParser.json());
    slack_botkit.webserver.use(bodyParser.urlencoded({ extended: true }));
    slack_botkit.webserver.use(express.static(static_dir));

    https.createServer({
      key: fs.readFileSync('/aaa/xxxx.com.key'),
      cert: fs.readFileSync('/aaa/xxxx.com.crt')
    }, slack_botkit.webserver).listen(
        slack_botkit.config.port,
        function() {
            slack_botkit.log('** Starting webserver on port ' +
                    slack_botkit.config.port);
            if (cb) { cb(null, slack_botkit.webserver); }
        });

When I try to import the command into slack, it says "Yikes! It looks like your TLS certificate isn't trusted." I tried changing to another CA, and still got the same error message. Any help would be more than welcome.

[seriousssam]

Update: Just FYI the bot is running properly and all otherwise

[seriousssam]

Fixed! Got in touch with Slack and they said "Slack requires the entire certificate chain is sent by the server." I saw this entry on stackoverflow: http://stackoverflow.com/questions/32777760/how-to-fix-missing-an-intermediate-chain-certificate-in-nodejs and fixed my code accordingly (in addition to adding my code from intermediate.crt to the text of my certificate), which worked:

    https.createServer({
      key: fs.readFileSync('xx'),
      cert: fs.readFileSync('xx'),
      requestCert: true,
        rejectUnauthorized: false 
    }, slack_botkit.webserver).listen(
        slack_botkit.config.port,
        function() {
            slack_botkit.log('** Starting webserver on port ' +
                    slack_botkit.config.port);
            if (cb) { cb(null, slack_botkit.webserver); }
    });

[ImShady]

Wanted to comment and let you know that you just saved me a whole lot of time and I appreciate your documentation of this issue!