Files
ArchiSteamFarm/ArchiSteamFarm/ArchiWebHandler.cs
2016-04-01 20:18:21 +02:00

596 lines
18 KiB
C#

/*
_ _ _ ____ _ _____
/ \ _ __ ___ | |__ (_)/ ___| | |_ ___ __ _ _ __ ___ | ___|__ _ _ __ _ __ ___
/ _ \ | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_ / _` || '__|| '_ ` _ \
/ ___ \ | | | (__ | | | || | ___) || |_| __/| (_| || | | | | || _|| (_| || | | | | | | |
/_/ \_\|_| \___||_| |_||_||____/ \__|\___| \__,_||_| |_| |_||_| \__,_||_| |_| |_| |_|
Copyright 2015-2016 Łukasz "JustArchi" Domeradzki
Contact: JustArchi@JustArchi.net
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using HtmlAgilityPack;
using SteamKit2;
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using System.Threading;
namespace ArchiSteamFarm {
internal sealed class ArchiWebHandler {
private const string SteamCommunity = "steamcommunity.com";
private const byte MinSessionTTL = 15; // Assume session is valid for at least that amount of seconds
private static string SteamCommunityURL = "https://" + SteamCommunity;
private static int Timeout = GlobalConfig.DefaultHttpTimeout * 1000;
private readonly Bot Bot;
private readonly Dictionary<string, string> Cookie = new Dictionary<string, string>(4);
private readonly SemaphoreSlim SessionSemaphore = new SemaphoreSlim(1);
private DateTime LastSessionRefreshCheck = DateTime.MinValue;
internal static void Init() {
Timeout = Program.GlobalConfig.HttpTimeout * 1000;
SteamCommunityURL = (Program.GlobalConfig.ForceHttp ? "http://" : "https://") + SteamCommunity;
}
internal ArchiWebHandler(Bot bot) {
if (bot == null) {
return;
}
Bot = bot;
}
internal bool Init(SteamClient steamClient, string webAPIUserNonce, string parentalPin) {
if (steamClient == null || steamClient.SteamID == null || string.IsNullOrEmpty(webAPIUserNonce)) {
return false;
}
ulong steamID = steamClient.SteamID;
string sessionID = Convert.ToBase64String(Encoding.UTF8.GetBytes(steamID.ToString()));
// Generate an AES session key
byte[] sessionKey = CryptoHelper.GenerateRandomBlock(32);
// RSA encrypt it with the public key for the universe we're on
byte[] cryptedSessionKey;
using (RSACrypto rsa = new RSACrypto(KeyDictionary.GetPublicKey(steamClient.ConnectedUniverse))) {
cryptedSessionKey = rsa.Encrypt(sessionKey);
}
// Copy our login key
byte[] loginKey = new byte[webAPIUserNonce.Length];
Array.Copy(Encoding.ASCII.GetBytes(webAPIUserNonce), loginKey, webAPIUserNonce.Length);
// AES encrypt the loginkey with our session key
byte[] cryptedLoginKey = CryptoHelper.SymmetricEncrypt(loginKey, sessionKey);
// Do the magic
Logging.LogGenericInfo("Logging in to ISteamUserAuth...", Bot.BotName);
KeyValue authResult;
using (dynamic iSteamUserAuth = WebAPI.GetInterface("ISteamUserAuth")) {
iSteamUserAuth.Timeout = Timeout;
try {
authResult = iSteamUserAuth.AuthenticateUser(
steamid: steamID,
sessionkey: Encoding.ASCII.GetString(WebUtility.UrlEncodeToBytes(cryptedSessionKey, 0, cryptedSessionKey.Length)),
encrypted_loginkey: Encoding.ASCII.GetString(WebUtility.UrlEncodeToBytes(cryptedLoginKey, 0, cryptedLoginKey.Length)),
method: WebRequestMethods.Http.Post,
secure: !Program.GlobalConfig.ForceHttp
);
} catch (Exception e) {
Logging.LogGenericException(e, Bot.BotName);
return false;
}
}
if (authResult == null) {
return false;
}
Logging.LogGenericInfo("Success!", Bot.BotName);
string steamLogin = authResult["token"].AsString();
string steamLoginSecure = authResult["tokensecure"].AsString();
Cookie["sessionid"] = sessionID;
Cookie["steamLogin"] = steamLogin;
Cookie["steamLoginSecure"] = steamLoginSecure;
// The below is used for display purposes only
Cookie["webTradeEligibility"] = "{\"allowed\":0,\"reason\":0,\"allowed_at_time\":0,\"steamguard_required_days\":0,\"sales_this_year\":0,\"max_sales_per_year\":0,\"forms_requested\":0}";
if (!UnlockParentalAccount(parentalPin).Result) {
return false;
}
LastSessionRefreshCheck = DateTime.Now;
return true;
}
internal async Task<bool?> IsLoggedIn() {
HtmlDocument htmlDocument = null;
for (byte i = 0; i < WebBrowser.MaxRetries && htmlDocument == null; i++) {
htmlDocument = await WebBrowser.UrlGetToHtmlDocument(SteamCommunityURL + "/my/profile", Cookie).ConfigureAwait(false);
}
if (htmlDocument == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
HtmlNode htmlNode = htmlDocument.DocumentNode.SelectSingleNode("//span[@id='account_pulldown']");
return htmlNode != null;
}
internal async Task<bool> RefreshSessionIfNeeded() {
DateTime now = DateTime.Now;
if (now.Subtract(LastSessionRefreshCheck).TotalSeconds < MinSessionTTL) {
return true;
}
await SessionSemaphore.WaitAsync().ConfigureAwait(false);
now = DateTime.Now;
if (now.Subtract(LastSessionRefreshCheck).TotalSeconds < MinSessionTTL) {
SessionSemaphore.Release();
return true;
}
bool result;
bool? isLoggedIn = await IsLoggedIn().ConfigureAwait(false);
if (isLoggedIn.GetValueOrDefault(true)) {
result = true;
now = DateTime.Now;
LastSessionRefreshCheck = now;
} else {
Logging.LogGenericInfo("Refreshing our session!", Bot.BotName);
result = await Bot.RefreshSession().ConfigureAwait(false);
}
SessionSemaphore.Release();
return result;
}
internal async Task<Dictionary<uint, string>> GetOwnedGames() {
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return null;
}
string request = SteamCommunityURL + "/my/games/?xml=1";
XmlDocument response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlGetToXML(request, Cookie).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
XmlNodeList xmlNodeList = response.SelectNodes("gamesList/games/game");
if (xmlNodeList == null || xmlNodeList.Count == 0) {
return null;
}
Dictionary<uint, string> result = new Dictionary<uint, string>(xmlNodeList.Count);
foreach (XmlNode xmlNode in xmlNodeList) {
XmlNode appNode = xmlNode.SelectSingleNode("appID");
if (appNode == null) {
continue;
}
uint appID;
if (!uint.TryParse(appNode.InnerText, out appID)) {
continue;
}
XmlNode nameNode = xmlNode.SelectSingleNode("name");
if (nameNode == null) {
continue;
}
result[appID] = nameNode.InnerText;
}
return result;
}
internal List<Steam.TradeOffer> GetTradeOffers() {
if (string.IsNullOrEmpty(Bot.BotConfig.SteamApiKey)) {
return null;
}
KeyValue response = null;
using (dynamic iEconService = WebAPI.GetInterface("IEconService", Bot.BotConfig.SteamApiKey)) {
iEconService.Timeout = Timeout;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
try {
response = iEconService.GetTradeOffers(
get_received_offers: 1,
active_only: 1,
secure: !Program.GlobalConfig.ForceHttp
);
} catch (Exception e) {
Logging.LogGenericException(e, Bot.BotName);
}
}
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
List<Steam.TradeOffer> result = new List<Steam.TradeOffer>();
foreach (KeyValue trade in response["trade_offers_received"].Children) {
Steam.TradeOffer tradeOffer = new Steam.TradeOffer {
tradeofferid = trade["tradeofferid"].AsString(),
accountid_other = (uint) trade["accountid_other"].AsUnsignedLong(), // TODO: Correct this when SK2 with https://github.com/SteamRE/SteamKit/pull/255 gets released
trade_offer_state = trade["trade_offer_state"].AsEnum<Steam.TradeOffer.ETradeOfferState>()
};
foreach (KeyValue item in trade["items_to_give"].Children) {
tradeOffer.items_to_give.Add(new Steam.Item {
appid = item["appid"].AsString(),
contextid = item["contextid"].AsString(),
assetid = item["assetid"].AsString(),
classid = item["classid"].AsString(),
instanceid = item["instanceid"].AsString(),
amount = item["amount"].AsString(),
});
}
foreach (KeyValue item in trade["items_to_receive"].Children) {
tradeOffer.items_to_receive.Add(new Steam.Item {
appid = item["appid"].AsString(),
contextid = item["contextid"].AsString(),
assetid = item["assetid"].AsString(),
classid = item["classid"].AsString(),
instanceid = item["instanceid"].AsString(),
amount = item["amount"].AsString(),
});
}
result.Add(tradeOffer);
}
return result;
}
internal async Task<bool> JoinClan(ulong clanID) {
if (clanID == 0) {
return false;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return false;
}
string sessionID;
if (!Cookie.TryGetValue("sessionid", out sessionID)) {
return false;
}
string request = SteamCommunityURL + "/gid/" + clanID;
Dictionary<string, string> data = new Dictionary<string, string>(2) {
{"sessionID", sessionID},
{"action", "join"}
};
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlPost(request, data, Cookie).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
return true;
}
internal async Task<bool> AcceptTradeOffer(ulong tradeID) {
if (tradeID == 0) {
return false;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return false;
}
string sessionID;
if (!Cookie.TryGetValue("sessionid", out sessionID)) {
return false;
}
string referer = SteamCommunityURL + "/tradeoffer/" + tradeID;
string request = referer + "/accept";
Dictionary<string, string> data = new Dictionary<string, string>(3) {
{"sessionid", sessionID},
{"serverid", "1"},
{"tradeofferid", tradeID.ToString()}
};
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlPost(request, data, Cookie, referer).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
return true;
}
internal async Task<List<Steam.Item>> GetMyTradableInventory() {
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return null;
}
JObject jObject = null;
for (byte i = 0; i < WebBrowser.MaxRetries && jObject == null; i++) {
jObject = await WebBrowser.UrlGetToJObject(SteamCommunityURL + "/my/inventory/json/753/6?trading=1", Cookie).ConfigureAwait(false);
}
if (jObject == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
IEnumerable<JToken> jTokens = jObject.SelectTokens("$.rgInventory.*");
if (jTokens == null) {
Logging.LogNullError("jTokens", Bot.BotName);
return null;
}
List<Steam.Item> result = new List<Steam.Item>();
foreach (JToken jToken in jTokens) {
try {
result.Add(JsonConvert.DeserializeObject<Steam.Item>(jToken.ToString()));
} catch (Exception e) {
Logging.LogGenericException(e, Bot.BotName);
}
}
return result;
}
internal async Task<bool> SendTradeOffer(List<Steam.Item> inventory, ulong partnerID, string token = null) {
if (inventory == null || inventory.Count == 0 || partnerID == 0) {
return false;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return false;
}
string sessionID;
if (!Cookie.TryGetValue("sessionid", out sessionID)) {
return false;
}
List<Steam.TradeOfferRequest> trades = new List<Steam.TradeOfferRequest>(1 + inventory.Count / Trading.MaxItemsPerTrade);
Steam.TradeOfferRequest singleTrade = null;
for (ushort i = 0; i < inventory.Count; i++) {
if (i % Trading.MaxItemsPerTrade == 0) {
if (trades.Count >= Trading.MaxTradesPerAccount) {
break;
}
singleTrade = new Steam.TradeOfferRequest();
trades.Add(singleTrade);
}
Steam.Item item = inventory[i];
singleTrade.me.assets.Add(new Steam.Item() {
appid = "753",
contextid = "6",
amount = item.amount,
assetid = item.id
});
}
string referer = SteamCommunityURL + "/tradeoffer/new";
string request = referer + "/send";
foreach (Steam.TradeOfferRequest trade in trades) {
Dictionary<string, string> data = new Dictionary<string, string>(6) {
{"sessionid", sessionID},
{"serverid", "1"},
{"partner", partnerID.ToString()},
{"tradeoffermessage", "Sent by ASF"},
{"json_tradeoffer", JsonConvert.SerializeObject(trade)},
{"trade_offer_create_params", string.IsNullOrEmpty(token) ? "" : $"{{\"trade_offer_access_token\":\"{token}\"}}"}
};
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlPost(request, data, Cookie, referer).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
}
return true;
}
internal async Task<HtmlDocument> GetBadgePage(byte page) {
if (page == 0) {
return null;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return null;
}
HtmlDocument htmlDocument = null;
for (byte i = 0; i < WebBrowser.MaxRetries && htmlDocument == null; i++) {
htmlDocument = await WebBrowser.UrlGetToHtmlDocument(SteamCommunityURL + "/my/badges?l=english&p=" + page, Cookie).ConfigureAwait(false);
}
if (htmlDocument == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
return htmlDocument;
}
internal async Task<HtmlDocument> GetGameCardsPage(ulong appID) {
if (appID == 0) {
return null;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return null;
}
HtmlDocument htmlDocument = null;
for (byte i = 0; i < WebBrowser.MaxRetries && htmlDocument == null; i++) {
htmlDocument = await WebBrowser.UrlGetToHtmlDocument(SteamCommunityURL + "/my/gamecards/" + appID + "?l=english", Cookie).ConfigureAwait(false);
}
if (htmlDocument == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return null;
}
return htmlDocument;
}
internal async Task<bool> MarkInventory() {
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return false;
}
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlGet(SteamCommunityURL + "/my/inventory", Cookie).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
return true;
}
internal async Task<bool> AcceptGift(ulong gid) {
if (gid == 0) {
return false;
}
if (!await RefreshSessionIfNeeded().ConfigureAwait(false)) {
return false;
}
string sessionID;
if (!Cookie.TryGetValue("sessionid", out sessionID)) {
return false;
}
string request = SteamCommunityURL + "/gifts/" + gid + "/acceptunpack";
Dictionary<string, string> data = new Dictionary<string, string>(1) {
{ "sessionid", sessionID }
};
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlPost(request, data, Cookie).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
return true;
}
private async Task<bool> UnlockParentalAccount(string parentalPin) {
if (string.IsNullOrEmpty(parentalPin) || parentalPin.Equals("0")) {
return true;
}
Logging.LogGenericInfo("Unlocking parental account...", Bot.BotName);
Dictionary<string, string> data = new Dictionary<string, string>(1) {
{ "pin", parentalPin }
};
string referer = SteamCommunityURL;
string request = referer + "/parental/ajaxunlock";
HttpResponseMessage response = null;
for (byte i = 0; i < WebBrowser.MaxRetries && response == null; i++) {
response = await WebBrowser.UrlPost(request, data, Cookie, referer).ConfigureAwait(false);
}
if (response == null) {
Logging.LogGenericWTF("Request failed even after " + WebBrowser.MaxRetries + " tries", Bot.BotName);
return false;
}
IEnumerable<string> setCookieValues;
if (!response.Headers.TryGetValues("Set-Cookie", out setCookieValues)) {
Logging.LogNullError("setCookieValues", Bot.BotName);
return false;
}
foreach (string setCookieValue in setCookieValues) {
if (!setCookieValue.Contains("steamparental=")) {
continue;
}
string setCookie = setCookieValue.Substring(setCookieValue.IndexOf("steamparental=", StringComparison.Ordinal) + 14);
int index = setCookie.IndexOf(';');
if (index > 0) {
setCookie = setCookie.Substring(0, index);
}
Cookie["steamparental"] = setCookie;
Logging.LogGenericInfo("Success!", Bot.BotName);
return true;
}
Logging.LogGenericWarning("Failed to unlock parental account!", Bot.BotName);
return false;
}
}
}