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node.js oauth example: logins to twitter, displays user name
// https://gist.github.com/1964797
var express = require('express');
var sys = require('util');
var oauth = require('oauth');
var app = express();
var _twitterConsumerKey = 'sLNC1nUodJom3L8BNL4iHA';
var _twitterConsumerSecret = 'EcO8Iiv5M8R0qeLVbHAi2cm9uX4Fp1jPODnoGfqUEro';
function consumer() {
return new oauth.OAuth(
"https://twitter.com/oauth/request_token", "https://twitter.com/oauth/access_token",
_twitterConsumerKey, _twitterConsumerSecret, "1.0A", "http://localhost:3000/sessions/callback", "HMAC-SHA1");
}
app.configure('development', function(){
app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
app.use(express.logger());
app.use(express.cookieParser());
app.use(express.session({ secret: "secretkey" }));
});
/*app.dynamicHelpers({
session: function(req, res){
return req.session;
}
});
*/
app.get('/', function(req, res){
res.send('Hello World');
});
app.get('/sessions/connect', function(req, res){
consumer().getOAuthRequestToken(function(error, oauthToken, oauthTokenSecret, results){
if (error) {
res.send("Error getting OAuth request token : " + sys.inspect(error), 500);
} else {
req.session.oauthRequestToken = oauthToken;
req.session.oauthRequestTokenSecret = oauthTokenSecret;
res.redirect("https://twitter.com/oauth/authorize?oauth_token="+req.session.oauthRequestToken);
}
});
});
app.get('/sessions/callback', function(req, res){
sys.puts(">>"+req.session.oauthRequestToken);
sys.puts(">>"+req.session.oauthRequestTokenSecret);
sys.puts(">>"+req.query.oauth_verifier);
consumer().getOAuthAccessToken(req.session.oauthRequestToken, req.session.oauthRequestTokenSecret, req.query.oauth_verifier, function(error, oauthAccessToken, oauthAccessTokenSecret, results) {
if (error) {
res.send("Error getting OAuth access token : " + sys.inspect(error) + "["+oauthAccessToken+"]"+ "["+oauthAccessTokenSecret+"]"+ "["+sys.inspect(results)+"]", 500);
} else {
req.session.oauthAccessToken = oauthAccessToken;
req.session.oauthAccessTokenSecret = oauthAccessTokenSecret;
// Right here is where we would write out some nice user stuff
consumer().get("https://api.twitter.com/1/account/verify_credentials.json", req.session.oauthAccessToken, req.session.oauthAccessTokenSecret, function (error, data, response) {
if (error) {
res.send("Error getting twitter screen name : " + sys.inspect(error), 500);
} else {
console.log("data is %j", data);
data = JSON.parse(data);
req.session.twitterScreenName = data["screen_name"];
res.send('You are signed in: ' + req.session.twitterScreenName)
}
});
}
});
});
app.listen(3000);
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