oauth_twitter_API_meteorjs.js

var crypto        = Npm.require('crypto'),
    consumerKey       = 'consumerKey',
    consumerSecret    = 'consumerSecret',
    accessToken 	  = 'accessToken',
    accessTokenSecret = 'accessTokenSecret',
    
    url  = 'https://api.twitter.com/1.1/statuses/home_timeline.json',
    date              = new Date,
    method = 'GET';


	// Note that the keys are in alphabetical order
	var reqObj = {
	  oauth_consumer_key: consumerKey,
	  oauth_nonce: Math.random().toString(36).replace(/[^a-z]/, '').substr(2),
	  oauth_signature_method: 'HMAC-SHA1',
	  oauth_timestamp: Math.floor(date.getTime() / 1000),
	  oauth_token: accessToken,
	  oauth_version: '1.0'//,
	  //search_expression: 'banana' //add here request param if necessary
	};

	// construct a param=value& string and uriEncode
	var paramsStr = '';
	for (var i in reqObj) {
	  paramsStr += "&" + i + "=" + reqObj[i];
	}

	// yank off that first "&"
	paramsStr = paramsStr.substr(1);

	var sigBaseStr = method + "&"
	                 + encodeURIComponent(url)
	                 + "&"
	                 + encodeURIComponent(paramsStr);

	consumerSecret += "&" + accessTokenSecret;

	var hashedBaseStr  = crypto.createHmac('sha1', consumerSecret).update(sigBaseStr).digest('base64');

	// Add oauth_signature to the request object
	reqObj.oauth_signature = encodeURIComponent(hashedBaseStr);

	var authorization = 'OAuth ';
	for (var i in reqObj) {
		authorization += i + '="'+ reqObj[i] + '",';
	}


	Meteor.http.call(method, url,
		{headers: {Authorization: authorization}},
		function (error, result) {
		if (!error) {
		  console.log(result);
		}
	});