Closes #3483

Author: JustArchi

ArchiSteamFarm/Steam/Bot.cs

@@ -3383,7 +3383,7 @@ private async void OnLoggedOn(SteamUser.LoggedOnCallback callback) {
 		}
 
 		if (callback.ParentalSettings != null) {
-			(SteamParentalActive, string? steamParentalCode) = ValidateSteamParental(callback.ParentalSettings, BotConfig.SteamParentalCode, Program.SteamParentalGeneration);
+			(SteamParentalActive, string? steamParentalCode) = ValidateSteamParental(callback.ParentalSettings, BotConfig.SteamParentalCode, BotDatabase.CachedSteamParentalCode, Program.SteamParentalGeneration);
 
 			if (SteamParentalActive) {
 				// Steam parental enabled
@@ -3412,6 +3412,8 @@ private async void OnLoggedOn(SteamUser.LoggedOnCallback callback) {
 						return;
 					}
 				}
+
+				BotDatabase.CachedSteamParentalCode = steamParentalCode;
 			}
 		} else {
 			// Steam parental disabled
@@ -4105,7 +4107,7 @@ private void UpdateTokens(string accessToken, string? refreshToken = null) {
 		}
 	}
 
-	private (bool IsSteamParentalEnabled, string? SteamParentalCode) ValidateSteamParental(ParentalSettings settings, string? steamParentalCode = null, bool allowGeneration = true) {
+	private (bool IsSteamParentalEnabled, string? SteamParentalCode) ValidateSteamParental(ParentalSettings settings, string? steamParentalCode = null, string? cachedSteamParentalCode = null, bool allowGeneration = true) {
 		ArgumentNullException.ThrowIfNull(settings);
 
 		if (!settings.is_enabled || (settings.passwordhash == null)) {
@@ -4133,21 +4135,27 @@ private void UpdateTokens(string accessToken, string? refreshToken = null) {
 				return (true, null);
 		}
 
-		if (!string.IsNullOrEmpty(steamParentalCode)) {
+		foreach (string? parentalCode in steamParentalCode.ToEnumerable().Append(cachedSteamParentalCode)) {
+			if (string.IsNullOrEmpty(parentalCode)) {
+				continue;
+			}
+
 			byte i = 0;
 
-			byte[] password = new byte[steamParentalCode.Length];
+			byte[] password = new byte[parentalCode.Length];
 
-			foreach (char character in steamParentalCode.TakeWhile(static character => character is >= '0' and <= '9')) {
+			foreach (char character in parentalCode.TakeWhile(static character => character is >= '0' and <= '9')) {
 				password[i++] = (byte) character;
 			}
 
-			if (i >= steamParentalCode.Length) {
-				byte[] passwordHash = ArchiCryptoHelper.Hash(password, settings.salt, (byte) settings.passwordhash.Length, steamParentalHashingMethod);
+			if (i < parentalCode.Length) {
+				continue;
+			}
 
-				if (passwordHash.SequenceEqual(settings.passwordhash)) {
-					return (true, steamParentalCode);
-				}
+			byte[] passwordHash = ArchiCryptoHelper.Hash(password, settings.salt, (byte) settings.passwordhash.Length, steamParentalHashingMethod);
+
+			if (passwordHash.SequenceEqual(settings.passwordhash)) {
+				return (true, parentalCode);
 			}
 		}
 

ArchiSteamFarm/Steam/Storage/BotDatabase.cs

@@ -81,6 +81,20 @@ internal string? AccessToken {
 		}
 	}
 
+	[JsonInclude]
+	internal string? CachedSteamParentalCode {
+		get;
+
+		set {
+			if (field == value) {
+				return;
+			}
+
+			field = value;
+			Utilities.InBackground(Save);
+		}
+	}
+
 	[JsonDisallowNull]
 	[JsonInclude]
 	[JsonObjectCreationHandling(JsonObjectCreationHandling.Populate)]
@@ -226,6 +240,9 @@ public void SaveToJsonStorage(string key, JsonElement value) {
 	[UsedImplicitly]
 	public bool ShouldSerializeAccessToken() => !string.IsNullOrEmpty(AccessToken);
 
+	[UsedImplicitly]
+	public bool ShouldSerializeCachedSteamParentalCode() => !string.IsNullOrEmpty(CachedSteamParentalCode);
+
 	[UsedImplicitly]
 	public bool ShouldSerializeExtraStorePackages() => ExtraStorePackages.Count > 0;