分离玩家信息插件，以及更新检测

2021-10-22 08:54:04 +02:00
parent 2a96f8efac
commit 08700abd4f
25 changed files with 860 additions and 234 deletions
--- a/Utils/Verifier.cs
+++ b/Utils/Verifier.cs
@@ -0,0 +1,115 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading;
+using System.Windows;
+
+namespace AnotherReplayReader.Utils
+{
+    internal class VerifierPayload
+    {
+        public string Data { get; }
+        public string Signature { get; }
+        [JsonIgnore]
+        public Lazy<byte[]> ByteData { get; }
+        [JsonIgnore]
+        public Lazy<byte[]> ByteSignature { get; }
+
+        public VerifierPayload(string data, string signature)
+        {
+            Data = data;
+            Signature = signature;
+            ByteData = new(() => Convert.FromBase64String(Data),
+                           LazyThreadSafetyMode.PublicationOnly);
+            ByteSignature = new(() => Convert.FromBase64String(Signature),
+                                LazyThreadSafetyMode.PublicationOnly);
+        }
+
+        public static VerifierPayload FromBytes(byte[] data, byte[] signature)
+        {
+            return new(Convert.ToBase64String(data), Convert.ToBase64String(signature));
+        }
+    }
+
+    internal class Verifier
+    {
+        private const string _publicKey = @"<RSAKeyValue><Modulus>3vw5CoFRDFt2ri4jLDTu75cw1U/tCRjya7q8X/IdULaOJOYG8C+uqrF2Atb4ou+4SrmF+bvJM9cFsf3yO7XpeIDpkxD3KGbIEw+0JixTIIm+y5xlLKDDwbZHnYjJOBTt6JBn0yqwx7vY2UEZIcRU6wlOmUapnkpiaC2anNhSPqk=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
+
+        public static bool Verify(VerifierPayload payload)
+        {
+            using var rsa = new RSACng();
+            rsa.FromXmlString(_publicKey);
+            return rsa.VerifyData(payload.ByteData.Value, payload.ByteSignature.Value, HashAlgorithmName.SHA256, RSASignaturePadding.Pss);
+        }
+
+        public static void Sign(object sample)
+        {
+            var fileName = Path.GetTempFileName();
+            try
+            {
+                var ea = Enumerable.Repeat<byte>(0xEA, 1024).ToArray();
+                const string splitter = "|DuplexBarrier|";
+                var isByteArray = false;
+                if (sample is string sampleText)
+                {
+                    File.WriteAllText(fileName, $"输入私钥信息以及需要签名的数据，用 `{splitter}` 分开\r\n\r\n{sampleText}");
+                }
+                else if (sample is byte[] readyArray)
+                {
+                    isByteArray = true;
+                    File.WriteAllText(fileName, $"输入私钥信息以及需要签名的数据{splitter}{Convert.ToBase64String(readyArray)}{splitter}");
+                }
+                using (var process = Process.Start("notepad.exe", fileName))
+                {
+                    process.WaitForExit();
+                }
+                var splitted = File.ReadAllText(fileName).Split(new[] { splitter }, StringSplitOptions.RemoveEmptyEntries);
+                File.WriteAllBytes(fileName, ea);
+                byte[] bytes;
+                byte[] signature;
+
+                using (var rsa = new RSACng())
+                {
+                    rsa.FromXmlString(splitted[0]);
+                    var text = splitted[1];
+                    splitted = null;
+                    GC.Collect();
+                    MessageBox.Show(text, $"快来确认一下~");
+                    bytes = isByteArray
+                        ? Convert.FromBase64String(text)
+                        : Encoding.UTF8.GetBytes(text);
+                    signature = rsa.SignData(bytes, HashAlgorithmName.SHA256, RSASignaturePadding.Pss);
+                }
+                GC.Collect();
+                var payload = VerifierPayload.FromBytes(bytes, signature);
+                var serialized = JsonSerializer.Serialize(payload, Network.CommonJsonOptions);
+                var choice = MessageBox.Show(serialized, "嗯哼", MessageBoxButton.YesNo);
+                while (choice == MessageBoxResult.Yes)
+                {
+                    File.WriteAllText(fileName, serialized);
+                    using (var process = Process.Start("notepad.exe", fileName))
+                    {
+                        process.WaitForExit();
+                    }
+                    using var rsa = new RSACng();
+                    rsa.FromXmlString(_publicKey);
+                    var checkContent = File.ReadAllText(fileName);
+                    var check = JsonSerializer.Deserialize<VerifierPayload>(checkContent, Network.CommonJsonOptions) ?? new("", "");
+                    var checkData = Convert.FromBase64String(check.Data);
+                    var checkSignature = Convert.FromBase64String(check.Signature);
+                    var verified = rsa.VerifyData(checkData, checkSignature, HashAlgorithmName.SHA256, RSASignaturePadding.Pss);
+                    choice = MessageBox.Show($"结果：{verified}", "嗯哼", MessageBoxButton.YesNo);
+                }
+            }
+            finally
+            {
+                File.Delete(fileName);
+            }
+        }
+    }
+}