Initial commit

index.js

@@ -0,0 +1,104 @@
+var Request = require('request');
+var RSA = require('node-bignumber').Key;
+var hex2b64 = require('node-bignumber').hex2b64;
+
+module.exports = SteamCommunity;
+
+function SteamCommunity(username, password, steamID, machineAuth) {
+	this._username = username;
+	this._password = password;
+	this._steamID = steamID;
+	this._sentry = machineAuth;
+}
+
+SteamCommunity.prototype.login = function(authCode, callback) {
+	if(typeof authCode === 'function') {
+		callback = authCode;
+		authCode = "";
+	}
+	
+	var request;
+	if(this._steamID && this._sentry) {
+		var jar = Request.jar();
+		request = Request.defaults({"jar": jar});
+		jar.setCookieSync(Request.cookie('steamMachineAuth' + this._steamID + '=' + this._sentry), 'https://steamcommunity.com');
+	} else {
+		request = Request;
+	}
+	
+	var self = this;
+	request.post("https://steamcommunity.com/login/getrsakey/", {"form": {"username": this._username}}, function(err, response, body) {
+		if(err) {
+			callback(err);
+			return;
+		}
+		
+		var json;
+		try {
+			json = JSON.parse(body);
+		} catch(e) {
+			callback(e);
+			return;
+		}
+		
+		var key = new RSA();
+		key.setPublic(json.publickey_mod, json.publickey_exp);
+		
+		var form = {
+			"captcha_text": "",
+			"captchagid": -1,
+			"emailauth": authCode || "",
+			"emailsteamid": "",
+			"loginfriendlyname": "",
+			"password": hex2b64(key.encrypt(self._password)),
+			"remember_login": false,
+			"rsatimestamp": json.timestamp,
+			"twofactorcode": "",
+			"username": self._username
+		};
+		
+		request.post("https://steamcommunity.com/login/dologin/", {"form": form}, function(err, response, body) {
+			if(err) {
+				callback(err);
+				return;
+			}
+			
+			var json;
+			try {
+				json = JSON.parse(body);
+			} catch(e) {
+				callback(e);
+				return;
+			}
+			
+			if(!json.success) {
+				callback(json.message);
+			} else {
+				var cookies = [];
+				for(var i = 0; i < response.headers['set-cookie'].length; i++) {
+					var header = response.headers['set-cookie'][i];
+					var pos = header.indexOf(';');
+					if(pos != -1) {
+						header = header.substring(0, pos);
+					}
+					
+					cookies.push(header);
+				}
+				
+				var sessionID = Math.floor(Math.random() * 1000000000);
+				cookies.push('sessionid=' + sessionID);
+				
+				var steamguard = {};
+				if(json.transfer_parameters.steamid && json.transfer_parameters.webcookie) {
+					steamguard.steamID = json.transfer_parameters.steamid;
+					steamguard.machineAuth = json.transfer_parameters.webcookie;
+					
+					this._steamID = steamguard.steamID;
+					this._sentry = steamguard.machineAuth;
+				}
+				
+				callback(null, sessionID, cookies, steamguard);
+			}
+		});
+	});
+};