From cd8c9cf80e57311b33b6d4da5724ef106dc3939a Mon Sep 17 00:00:00 2001
From: Archi <JustArchi@JustArchi.net>
Date: Sat, 3 Jun 2023 17:50:50 +0200
Subject: [PATCH] Closes #2908

---
 .../RemoteCommunication.cs                    | 16 ++++++++++++
 .../Steam/Integration/ArchiHandler.cs         | 25 +++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs b/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
index d173ae642..6f64a431b 100644
--- a/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
+++ b/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
@@ -56,6 +56,7 @@ internal sealed class RemoteCommunication : IAsyncDisposable, IDisposable {
 	private const byte MinAnnouncementTTL = 5; // Minimum amount of minutes we must wait before the next Announcement
 	private const byte MinHeartBeatTTL = 10; // Minimum amount of minutes we must wait before sending next HeartBeat
 	private const byte MinimumSteamGuardEnabledDays = 15; // As imposed by Steam limits
+	private const byte MinimumPasswordResetCooldownDays = 5; // As imposed by Steam limits
 	private const byte MinPersonaStateTTL = 5; // Minimum amount of minutes we must wait before requesting persona state update
 
 	private static readonly ImmutableHashSet<Asset.EType> AcceptedMatchableTypes = ImmutableHashSet.Create(
@@ -561,6 +562,21 @@ internal sealed class RemoteCommunication : IAsyncDisposable, IDisposable {
 			return false;
 		}
 
+		CCredentials_LastCredentialChangeTime_Response? lastCredentialChangeTime = await Bot.ArchiHandler.GetLastCredentialChangeTime().ConfigureAwait(false);
+
+		if (lastCredentialChangeTime == null) {
+			Bot.ArchiLogger.LogGenericTrace(string.Format(CultureInfo.CurrentCulture, Strings.WarningFailedWithError, $"{nameof(lastCredentialChangeTime)}: null"));
+
+			return null;
+		}
+
+		// Bot didn't change password in last 5 days
+		if ((lastCredentialChangeTime.timestamp_last_password_reset > 0) && ((DateTimeOffset.UtcNow - DateTimeOffset.FromUnixTimeSeconds(lastCredentialChangeTime.timestamp_last_password_reset)).TotalDays < MinimumPasswordResetCooldownDays)) {
+			Bot.ArchiLogger.LogGenericTrace(string.Format(CultureInfo.CurrentCulture, Strings.WarningFailedWithError, $"{nameof(lastCredentialChangeTime.timestamp_last_password_reset)}: {lastCredentialChangeTime.timestamp_last_password_reset}"));
+
+			return false;
+		}
+
 		// Bot must have valid API key (e.g. not being restricted account)
 		bool? hasValidApiKey = await Bot.ArchiWebHandler.HasValidApiKey().ConfigureAwait(false);
 
diff --git a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
index 297836eb1..d75a628ff 100644
--- a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
+++ b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
@@ -91,6 +91,31 @@ public sealed class ArchiHandler : ClientMsgHandler {
 		return response.Result == EResult.OK;
 	}
 
+	[PublicAPI]
+	public async Task<CCredentials_LastCredentialChangeTime_Response?> GetLastCredentialChangeTime() {
+		if (Client == null) {
+			throw new InvalidOperationException(nameof(Client));
+		}
+
+		if (!Client.IsConnected) {
+			return null;
+		}
+
+		CCredentials_LastCredentialChangeTime_Request request = new();
+
+		SteamUnifiedMessages.ServiceMethodResponse response;
+
+		try {
+			response = await UnifiedCredentialsService.SendMessage(x => x.GetCredentialChangeTimeDetails(request)).ToLongRunningTask().ConfigureAwait(false);
+		} catch (Exception e) {
+			ArchiLogger.LogGenericWarningException(e);
+
+			return null;
+		}
+
+		return response.Result == EResult.OK ? response.GetDeserializedResponse<CCredentials_LastCredentialChangeTime_Response>() : null;
+	}
+
 	[PublicAPI]
 	public async Task<Dictionary<uint, string>?> GetOwnedGames(ulong steamID) {
 		if ((steamID == 0) || !new SteamID(steamID).IsIndividualAccount) {