embed plugin loader directly into the launcher

PluginLoader/Tools/Tools.cs

@@ -0,0 +1,52 @@
+using System.Security.Cryptography;
+using System.Text;
+using Steamworks;
+
+namespace PluginLoader.Tools;
+
+public static class Tools
+{
+    public static readonly UTF8Encoding Utf8 = new();
+
+    public static string Sha1HexDigest(string text)
+    {
+        using var sha1 = new SHA1Managed();
+        var buffer = Utf8.GetBytes(text);
+        var digest = sha1.ComputeHash(buffer);
+        return BytesToHex(digest);
+    }
+
+    private static string BytesToHex(IReadOnlyCollection<byte> ba)
+    {
+        var hex = new StringBuilder(2 * ba.Count);
+
+        foreach (var t in ba)
+            hex.Append(t.ToString("x2"));
+
+        return hex.ToString();
+    }
+
+    public static string FormatDateIso8601(DateTime dt)
+    {
+        return dt.ToString("s").Substring(0, 10);
+    }
+
+    public static ulong GetSteamId()
+    {
+        return SteamUser.GetSteamID().m_SteamID;
+    }
+
+    // FIXME: Replace this with the proper library call, I could not find one
+    public static string FormatUriQueryString(Dictionary<string, string> parameters)
+    {
+        var query = new StringBuilder();
+        foreach (var p in parameters)
+        {
+            if (query.Length > 0)
+                query.Append('&');
+            query.Append($"{Uri.EscapeDataString(p.Key)}={Uri.EscapeDataString(p.Value)}");
+        }
+
+        return query.ToString();
+    }
+}