# Login with Twitter ## What You'll Need 1. Backbench account - [Sign Up](https://bench.backbench.io/signup), the personal account will always remain free to use. 2. Twitter Developer account- Apply for a [Developer account](https://apps.twitter.com/). ## Prerequisites for the app 1. Sign In to backbench, and create or use a bench. 2. Start by creating a new app on twitter, enter a valid callback url in below format,\ `https://USERID-BENCHID.backbench.io/cb` ( found in Endpoints section of Backbench. ) 3. Select Enable Sign In with Twitter at `Allow this application to be used to Sign in with Twitter` and hit save. 4. Keep a note of following parameter's from twitter app's dashboard. ``` consumer_key, consumer_secret, callback_url ``` ## Demo {% embed url="" %} Node.js Sample {% endembed %} ## Frontend 1. Create a html for Twitter's login in File manager section. (**note:** Do not forget to enable File manager from endpoint's section) {% code title="twitter.html" %} ```markup

login using Google

Login with witter ``` {% endcode %} ## Backend Create a module `login.js` for Node, `login` for BBLANG. Replace consumer\_key, consumer\_secret, and callback\_url. {% tabs %} {% tab title="Node.js" %} {% code title="login.js" %} ```javascript var request = require("request"); exports.endpoint = function(req, cb){ var ckey = "************************"; request({ url: 'https://api.twitter.com/oauth/request_token', oauth: { callback: "https://mybench-samples.backbench.io/cb", consumer_key: ckey, consumer_secret: "*************************************************" } }, function(err, resp, body){ var temp = body.split("&") var oauth_token = temp[0].split("=")[1] var oauth_token_secret = temp[1].split("=")[1] bb.memSet(ckey, oauth_token_secret, function(err2, res2){ if (oauth_token) { let redirect_uri = "https://api.twitter.com/oauth/authenticate?oauth_token="+oauth_token cb(undefined, {"Location": redirect_uri }) } else { cb(undefined, {"msg": 'Permission denied'}) } }) }) } ``` {% endcode %} {% endtab %} {% tab title="BBLANG" %} {% code title="login" %} ```javascript twitter:login(req)->{ res = bb:http:post({ url: 'https://api.twitter.com/oauth/request_token', oauth: { callback: "https://mybench-bbsamples.backbench.io/cb", consumer_key: "I5urvH55D1bTWqWzOXfnhVcTk", consumer_secret: "miVOFYODoZ4xxtKQTWuE7VpSA8IWRAkZ6zf1HCwZrdH3swYWva" } }) oauth_token = std:split(std:split(res.body, "&")[0], "=")[1] oauth_token_secret = std:split(std:split(res.body, "&")[1], "=")[1] bb:log(oauth_token, oauth_token_secret) bb:mem:set(oauth_token_secret, oauth_token_secret) if oauth_token { bb:http:get({ url: 'https://api.twitter.com/oauth/authenticate', qs: { oauth_token: oauth_token }, followAllRedirects: true }) } else { 'Permission denied' } } ``` {% endcode %} {% endtab %} {% endtabs %} For Node, map `login.js` module to `/login` and for BBLANG, map `twitter:login` to `/login` in Endpoints section. Now we'll create a function which responds after twitter redirects to /cb. Make `cb.js` for node and `cb` for bblang (`twitter:callback`) and map it to `/cb`. {% tabs %} {% tab title="Node.js" %} {% code title="cb.js" %} ```javascript var request = require("request"); exports.endpoint = function(req, cb){ var ckey = "*********************"; bb.memGet(ckey, function(err, token_secret){ request({ method: "post", url: "https://api.twitter.com/oauth/access_token", oauth: { consumer_key: ckey, consumer_secret: "********************************************", token: req.query.oauth_token, token_secret: token_secret, verifier: req.query.oauth_verifier } }, function(err, resp, body){ if (err){ cb(err) } cb(null, {data: body}) }) }) } ``` {% endcode %} {% endtab %} {% tab title="BBLANG" %} {% code title="cb" %} ```javascript twitter:callback(req)->{ res = bb:http:post({ url: "https://api.twitter.com/oauth/access_token", oauth: { consumer_key: "*********************************", consumer_secret: "********************************************************************************************", token: req.query.oauth_token, token_secret: bb:mem:get(oauth_token_secret), verifier: req.query.oauth_verifier } }) body = std:split(res.body, "&") res = bb:http:get({ url : 'https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=peeyu5h&count=2', qs : { screen_name: std:split(body[3], "=")[1], user_id: std:split(body[2], "=")[1] }, oauth : { consumer_key: "***************", consumer_secret: "**************************", token: std:split(body[0], "=")[1] , token_secret: std:split(body[1], "=")[1] }, json : true }) "

My Latest Tweet

"+res.body[0].text } ``` {% endcode %} {% endtab %} {% endtabs %} **For Node.js App:** 1. Select +, in the upper right corner to create a Module. For example, say "package.json" and select CREATE or hit Enter. 2. Copy and paste the code module from below. ```javascript { "dependencies": { "request": "^2.88.0" } } ``` A **package.json** file lists the packages that your project depends on. allows you to specify the versions of a package that your project can use using semantic versioning rules. ## Logging in **Obtaining a request token** \ by sending a `POST` request to `/oauth/request_token` with following as headers. (if you are using nodejs request library then you can send these params in oauth param of[ request](https://github.com/request/request)) ``` Authorization: OAuth oauth_callback="https://USERNAME-BENCHID.backbench.io/cb", oauth_consumer_key="xxxxxxxxxxxxxxxxxxxxxx", oauth_consumer_secret="xxxxxxxxxxxxxxxxxxxxx", ``` **Redirect to Twitter** You'll get `oauth_token` in response of above. Next step is to redirect to Twitter's authentication. `https://api.twitter.com/oauth/authenticate?oauth_token=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX` **Exchange request\_token with access\_token** Convert your `request_token` to `token`, by sending a POST request to `/oauth/access_token`, with following headers: ``` Authorization: OAuth oauth_consumer_key="XXXXXXXXXXXXXXXXXX", oauth_consumer_secret="XXXXXXXXXXXXXXXXXX", oauth_token="NPcudxy0yU5T3tBzho7iCotZ3cnetKwcTIRlX0iwRl0", oauth_token_secret="NPcudxy0yU5T3tBzho7iCotZ3cnetKwcTIRlX0iwRl0", oauth_verifier="uw7NjWHT6OJ1MpJOXsHfNxoAhPKpgI8BlYDhxEjIBY" ``` where `oauth_token` and `oauth_verifier` you'll get as query parameter. (after twitter's redirection) For a comprehensive guide, refer official doc . ## User Permission: Can be changed on Twitter's app setting page. ## Confirming Identity: Once you've obtained an `Token`, you can start making authenticated API requests on behalf of the user by sending request. `https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=peeyu5h&count=2` with header containing `consumer_key, consumer_secret, token and token_secret.` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://backbench.gitbook.io/backbench-docs/3rd-party-integrations/login-with-twitter.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.