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: / var / www / smartweb / priyoholidays.com / node_modules / oauth / examples / express-gdata /
Filename : server.js
back
var express = require('express'),
	 OAuth = require('oauth').OAuth,
	 querystring = require('querystring');

// Setup the Express.js server
var app = express.createServer();
app.use(express.logger());
app.use(express.bodyParser());
app.use(express.cookieParser());
app.use(express.session({
	secret: "skjghskdjfhbqigohqdiouk"
}));

// Home Page
app.get('/', function(req, res){
	if(!req.session.oauth_access_token) {
		res.redirect("/google_login");
	}
	else {
		res.redirect("/google_contacts");
	}
});

// Request an OAuth Request Token, and redirects the user to authorize it
app.get('/google_login', function(req, res) {
	
	var getRequestTokenUrl = "https://www.google.com/accounts/OAuthGetRequestToken";
	
	// GData specifid: scopes that wa want access to
	var gdataScopes = [
		querystring.escape("https://www.google.com/m8/feeds/"),
		querystring.escape("https://www.google.com/calendar/feeds/")
	];
	
	var oa = new OAuth(getRequestTokenUrl+"?scope="+gdataScopes.join('+'),
	                  "https://www.google.com/accounts/OAuthGetAccessToken",
	                  "anonymous",
	                  "anonymous",
	                  "1.0",
	                  "http://localhost:3000/google_cb"+( req.param('action') && req.param('action') != "" ? "?action="+querystring.escape(req.param('action')) : "" ),
	                  "HMAC-SHA1");

	oa.getOAuthRequestToken(function(error, oauth_token, oauth_token_secret, results){
	  if(error) {
			console.log('error');
	 		console.log(error);
		}
	  else { 
			// store the tokens in the session
			req.session.oa = oa;
			req.session.oauth_token = oauth_token;
			req.session.oauth_token_secret = oauth_token_secret;
		
			// redirect the user to authorize the token
	   	res.redirect("https://www.google.com/accounts/OAuthAuthorizeToken?oauth_token="+oauth_token);
	  }
	})

});

// Callback for the authorization page
app.get('/google_cb', function(req, res) {
		
	// get the OAuth access token with the 'oauth_verifier' that we received
	
	var oa = new OAuth(req.session.oa._requestUrl,
	                  req.session.oa._accessUrl,
	                  req.session.oa._consumerKey,
	                  req.session.oa._consumerSecret,
	                  req.session.oa._version,
	                  req.session.oa._authorize_callback,
	                  req.session.oa._signatureMethod);
	
    console.log(oa);
	
	oa.getOAuthAccessToken(
		req.session.oauth_token, 
		req.session.oauth_token_secret, 
		req.param('oauth_verifier'), 
		function(error, oauth_access_token, oauth_access_token_secret, results2) {
			
			if(error) {
				console.log('error');
				console.log(error);
	 		}
	 		else {
		
				// store the access token in the session
				req.session.oauth_access_token = oauth_access_token;
				req.session.oauth_access_token_secret = oauth_access_token_secret;

	    		res.redirect((req.param('action') && req.param('action') != "") ? req.param('action') : "/google_contacts");
	 		}

	});
	
});


function require_google_login(req, res, next) {
	if(!req.session.oauth_access_token) {
		res.redirect("/google_login?action="+querystring.escape(req.originalUrl));
		return;
	}
	next();
};

app.get('/google_contacts', require_google_login, function(req, res) {
	var oa = new OAuth(req.session.oa._requestUrl,
	                  req.session.oa._accessUrl,
	                  req.session.oa._consumerKey,
	                  req.session.oa._consumerSecret,
	                  req.session.oa._version,
	                  req.session.oa._authorize_callback,
	                  req.session.oa._signatureMethod);
	
    console.log(oa);

	// Example using GData API v3
	// GData Specific Header
	oa._headers['GData-Version'] = '3.0'; 
	
	oa.getProtectedResource(
		"https://www.google.com/m8/feeds/contacts/default/full?alt=json", 
		"GET", 
		req.session.oauth_access_token, 
		req.session.oauth_access_token_secret,
		function (error, data, response) {
			
			var feed = JSON.parse(data);
			
			res.render('google_contacts.ejs', {
				locals: { feed: feed }
			});
	});
	
});

app.get('/google_calendars', require_google_login, function(req, res) {
		var oa = new OAuth(req.session.oa._requestUrl,
	                  req.session.oa._accessUrl,
	                  req.session.oa._consumerKey,
	                  req.session.oa._consumerSecret,
	                  req.session.oa._version,
	                  req.session.oa._authorize_callback,
	                  req.session.oa._signatureMethod);
	// Example using GData API v2
	// GData Specific Header
	oa._headers['GData-Version'] = '2'; 
	
	oa.getProtectedResource(
		"https://www.google.com/calendar/feeds/default/allcalendars/full?alt=jsonc", 
		"GET", 
		req.session.oauth_access_token, 
		req.session.oauth_access_token_secret,
		function (error, data, response) {
			
			var feed = JSON.parse(data);
			
			res.render('google_calendars.ejs', {
				locals: { feed: feed }
			});
	});
	
});

app.listen(3000);
console.log("listening on http://localhost:3000");