gupshup-oauth/examples/botIndex.js

This is a sample oauth implementation for the bots platform on gupshup.io devtools

//Fetch config
var authCreds = require('./config.json').oauth_creds;
//Register new oauth instance with your auth config
var gupshupAuth = require('gupshup-oauth')(authCreds);

//This will be called on auth request completion,
// the oauth channel will share code to fetch auth token
authCreds.preCallback = function(context, event, channel, done) {
        //Do what you want to achieve with the code
        done(context, event, channel);
    }
    //This will be called after we have saved creds to roomlevel data,
    // You will still have control over the code received.
authCreds.postCallback = function(context, event, channel, done) {
    //Do what you want to achieve with the code
    done(context, event, channel);
}

function MessageHandler(context, event) {
    context.simpledb.roomleveldata.lastMsgReceived = event.message;
    context.simpledb.roomleveldata.lastMsgReceivedOn = new Date().toString();
    if (event.message.toLowerCase() == "authcomplete") {
        context.sendResponse(JSON.stringify(context.simpledb.roomleveldata.auth));
    } else if (event.message.toLowerCase() == "auth") {
        //We will store this for sending messages in future, as the contextObj will be destroyed on auth url
        context.simpledb.roomleveldata.contextObj = event.contextobj;

        /***Fetch signed auth url
         *channelname and state id (State needs to be event.contextobj.contextid for us to save roomlevel data (you can change it to your
         *custom state id but then gupshup will loose track of your message and you will have to handle it manually in the preCallback function.
         ***/
        var facebook_url = gupshupAuth.getSignedURL('facebook', event.contextobj.contextid);
        var github_url = gupshupAuth.getSignedURL('github', event.contextobj.contextid);
        // var body = '<a href="' + facebook_url + '"> Get Code </a>';
        // context.sendResponse(body);
        //You can use this json or directly print the authURL for auth
        var cbtn = {
            "type": "survey",
            "question": "Kindly authorize",
            "msgid": "3er45",
            "options": [{
                    "type": "url",
                    "title": "Authorize Facebook",
                    "url": facebook_url,
                    "webview_height_ratio": "full",
                    "messenger_extensions": true,
                }, {
                    "type": "url",
                    "title": "Authorize Gihub",
                    "url": github_url
                },
                'Done'
            ]
        };
        // context.sendResponse(facebook_url);
        context.sendResponse(JSON.stringify(cbtn));
    } else {
        context.sendResponse('Please use one of following\nauthcomplete\nauth');
    }
}

function EventHandler(context, event) {
    context.console.log("Botleveldata:" + JSON.stringify(context.simpledb.botleveldata));
    if (!context.simpledb.botleveldata.numinstance)
        context.simpledb.botleveldata.numinstance = 0;
    numinstances = context.simpledb.botleveldata.numinstance + 1;
    context.simpledb.botleveldata.numinstance = numinstances;
    context.sendResponse("Thanks for adding me. You are:" + numinstances);
}

function HttpResponseHandler(context, event) {
    context.sendResponse('This is response from http \n' + JSON.stringify(event.getresp, null, '\t'));
}

function DbGetHandler(context, event) {
    context.sendResponse("testdbput keyword was last sent by:" + JSON.stringify(event.dbval));
}

function DbPutHandler(context, event) {
    context.sendResponse("testdbput keyword was last sent by:" + JSON.stringify(event.dbval));
}

function HttpEndpointHandler(context, event) {
    var path = event.request.path;
    //We filter only gupshup-oauth urls here
    if (path.match(/gupshup-oauth/g)) {
        //Handling oauth specific urls
        gupshupAuth.execute(context, event);
    } else {
        context.sendResponse('This is response from http \n' + JSON.stringify(event, null, '\t'));
        //Put your custom url match patterns.
    }
}

function LocationHandler(context, event) {
    context.sendResponse("Got location");
}

exports.onMessage = MessageHandler;
exports.onEvent = EventHandler;
exports.onHttpResponse = HttpResponseHandler;
exports.onDbGet = DbGetHandler;
exports.onDbPut = DbPutHandler;
if (typeof LocationHandler == 'function') { exports.onLocation = LocationHandler; }
if (typeof HttpEndpointHandler == 'function') { exports.onHttpEndpoint = HttpEndpointHandler; }