Add a feature of accepting steam gifts, closes #18

ArchiSteamFarm/ArchiWebHandler.cs

@@ -32,6 +32,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml;
+using System.Threading;
 
 namespace ArchiSteamFarm {
 	internal sealed class ArchiWebHandler {
@@ -44,6 +45,8 @@ namespace ArchiSteamFarm {
 		private readonly Bot Bot;
 		private readonly Dictionary<string, string> Cookie = new Dictionary<string, string>(4);
 
+		internal bool IsInitialized { get; private set; }
+
 		private ulong SteamID;
 
 		internal static void Init() {
@@ -59,8 +62,13 @@ namespace ArchiSteamFarm {
 			Bot = bot;
 		}
 
+		internal void OnDisconnected() {
+			IsInitialized = false;
+			Cookie.Clear();
+		}
+
 		internal async Task<bool> Init(SteamClient steamClient, string webAPIUserNonce, string parentalPin) {
-			if (steamClient == null || steamClient.SteamID == null || string.IsNullOrEmpty(webAPIUserNonce)) {
+			if (steamClient == null || steamClient.SteamID == null || string.IsNullOrEmpty(webAPIUserNonce) || IsInitialized) {
 				return false;
 			}
 
@@ -122,6 +130,8 @@ namespace ArchiSteamFarm {
 			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}";
 
 			await UnlockParentalAccount(parentalPin).ConfigureAwait(false);
+
+			IsInitialized = true;
 			return true;
 		}
 
@@ -494,6 +504,34 @@ namespace ArchiSteamFarm {
 			return true;
 		}
 
+		internal async Task<bool> AcceptGift(ulong gid) {
+			if (gid == 0) {
+				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 UnlockParentalAccount(string parentalPin) {
 			if (string.IsNullOrEmpty(parentalPin) || parentalPin.Equals("0")) {
 				return;

ArchiSteamFarm/Bot.cs

@@ -172,6 +172,7 @@ namespace ArchiSteamFarm {
 
 			SteamApps = SteamClient.GetHandler<SteamApps>();
 			CallbackManager.Subscribe<SteamApps.FreeLicenseCallback>(OnFreeLicense);
+			CallbackManager.Subscribe<SteamApps.GuestPassListCallback>(OnGuestPassList);
 
 			SteamFriends = SteamClient.GetHandler<SteamFriends>();
 			CallbackManager.Subscribe<SteamFriends.ChatInviteCallback>(OnChatInvite);
@@ -1299,6 +1300,7 @@ namespace ArchiSteamFarm {
 			}
 
 			Logging.LogGenericInfo("Disconnected from Steam!", BotName);
+			ArchiWebHandler.OnDisconnected();
 			CardsFarmer.StopFarming().Forget();
 
 			// If we initiated disconnect, do not attempt to reconnect
@@ -1347,6 +1349,41 @@ namespace ArchiSteamFarm {
 			}
 		}
 
+		private async void OnGuestPassList(SteamApps.GuestPassListCallback callback) {
+			if (callback == null || callback.Result != EResult.OK || callback.CountGuestPassesToRedeem <= 0 || !BotConfig.AcceptGifts) {
+				return;
+			}
+
+			for (byte i = 0; i < WebBrowser.MaxRetries && !ArchiWebHandler.IsInitialized; i++) {
+				await Utilities.SleepAsync(1000).ConfigureAwait(false);
+			}
+
+			if (!ArchiWebHandler.IsInitialized) {
+				Logging.LogGenericWarning("Reached timeout while waiting for ArchiWebHandler to initialize!");
+				return;
+			}
+
+			bool acceptedSomething = false;
+			foreach (KeyValue guestPass in callback.GuestPasses) {
+				ulong gid = guestPass["gid"].AsUnsignedLong();
+				if (gid == 0) {
+					continue;
+				}
+
+				Logging.LogGenericInfo("Accepting gift: " + gid + "...", BotName);
+				if (await ArchiWebHandler.AcceptGift(gid).ConfigureAwait(false)) {
+					acceptedSomething = true;
+					Logging.LogGenericInfo("Success!", BotName);
+				} else {
+					Logging.LogGenericInfo("Failed!", BotName);
+				}
+			}
+
+			if (acceptedSomething) {
+				CardsFarmer.RestartFarming().Forget();
+			}
+		}
+
 		private void OnChatInvite(SteamFriends.ChatInviteCallback callback) {
 			if (callback == null || !IsMaster(callback.PatronID)) {
 				return;

ArchiSteamFarm/BotConfig.cs

@@ -65,6 +65,9 @@ namespace ArchiSteamFarm {
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal bool HandleOfflineMessages { get; private set; } = false;
 
+		[JsonProperty(Required = Required.DisallowNull)]
+		internal bool AcceptGifts { get; private set; } = false;
+
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal bool ForwardKeysToOtherBots { get; private set; } = false;
 

ArchiSteamFarm/WebBrowser.cs

@@ -219,10 +219,10 @@ namespace ArchiSteamFarm {
 			}
 
 			if (!responseMessage.IsSuccessStatusCode) {
-				if (Program.GlobalConfig.Debug) {
+				if (Debugging.IsDebugBuild || Program.GlobalConfig.Debug) {
 					Logging.LogGenericError("Request: " + request + "failed!");
 					Logging.LogGenericError("Status code: " + responseMessage.StatusCode);
-					Logging.LogGenericError("Content: " + await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false));
+					Logging.LogGenericError("Content: " + Environment.NewLine + await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false));
 				}
 				return null;
 			}

ArchiSteamFarm/config/example.json

@@ -11,6 +11,7 @@
   "DismissInventoryNotifications": true,
   "FarmOffline": false,
   "HandleOfflineMessages": false,
+  "RedeemGifts": false,
   "ForwardKeysToOtherBots": false,
   "DistributeKeys": false,
   "UseAsfAsMobileAuthenticator": false,