initial commit

2026-08-27 11:22:16 -06:00
commit 96afff7a83
600 changed files with 29291 additions and 0 deletions
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+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Generators;
+using Org.BouncyCastle.Crypto.Operators;
+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Crypto.Prng;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Security;
+using Org.BouncyCastle.X509;
+using Org.BouncyCastle.X509.Extension;
+using System;
+using System.Security.Cryptography.X509Certificates;
+
+namespace Quasar.Server.Helper
+{
+    public static class CertificateHelper
+    {
+        public static X509Certificate2 CreateCertificate(string certName, X509Certificate2 ca, int keyStrength)
+        {
+            var caCert = DotNetUtilities.FromX509Certificate(ca);
+            var random = new SecureRandom(new CryptoApiRandomGenerator());
+            var keyPairGen = new RsaKeyPairGenerator();
+            keyPairGen.Init(new KeyGenerationParameters(random, keyStrength));
+            AsymmetricCipherKeyPair keyPair = keyPairGen.GenerateKeyPair();
+
+            var certificateGenerator = new X509V3CertificateGenerator();
+
+            var CN = new X509Name("CN=" + certName);
+            var SN = BigInteger.ProbablePrime(120, random);
+
+            certificateGenerator.SetSerialNumber(SN);
+            certificateGenerator.SetSubjectDN(CN);
+            certificateGenerator.SetIssuerDN(caCert.IssuerDN);
+            certificateGenerator.SetNotAfter(DateTime.MaxValue);
+            certificateGenerator.SetNotBefore(DateTime.UtcNow.Subtract(new TimeSpan(1, 0, 0, 0)));
+            certificateGenerator.SetPublicKey(keyPair.Public);
+            certificateGenerator.AddExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(keyPair.Public));
+            certificateGenerator.AddExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(caCert.GetPublicKey()));
+
+            var caKeyPair = DotNetUtilities.GetKeyPair(ca.PrivateKey);
+
+            ISignatureFactory signatureFactory = new Asn1SignatureFactory("SHA512WITHRSA", caKeyPair.Private, random);
+
+            var certificate = certificateGenerator.Generate(signatureFactory);
+
+            certificate.Verify(caCert.GetPublicKey());
+
+            var certificate2 = new X509Certificate2(DotNetUtilities.ToX509Certificate(certificate));
+            certificate2.PrivateKey = DotNetUtilities.ToRSA(keyPair.Private as RsaPrivateCrtKeyParameters);
+
+            return certificate2;
+        }
+
+        public static X509Certificate2 CreateCertificateAuthority(string caName, int keyStrength)
+        {
+            var random = new SecureRandom(new CryptoApiRandomGenerator());
+            var keyPairGen = new RsaKeyPairGenerator();
+            keyPairGen.Init(new KeyGenerationParameters(random, keyStrength));
+            AsymmetricCipherKeyPair keypair = keyPairGen.GenerateKeyPair();
+
+            var certificateGenerator = new X509V3CertificateGenerator();
+
+            var CN = new X509Name("CN=" + caName);
+            var SN = BigInteger.ProbablePrime(120, random);
+
+            certificateGenerator.SetSerialNumber(SN);
+            certificateGenerator.SetSubjectDN(CN);
+            certificateGenerator.SetIssuerDN(CN);
+            certificateGenerator.SetNotAfter(DateTime.MaxValue);
+            certificateGenerator.SetNotBefore(DateTime.UtcNow.Subtract(new TimeSpan(2, 0, 0, 0)));
+            certificateGenerator.SetPublicKey(keypair.Public);
+            certificateGenerator.AddExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(keypair.Public));
+            certificateGenerator.AddExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(true));
+
+            ISignatureFactory signatureFactory = new Asn1SignatureFactory("SHA512WITHRSA", keypair.Private, random);
+
+            var certificate = certificateGenerator.Generate(signatureFactory);
+
+            var certificate2 = new X509Certificate2(DotNetUtilities.ToX509Certificate(certificate));
+            certificate2.PrivateKey = DotNetUtilities.ToRSA(keypair.Private as RsaPrivateCrtKeyParameters);
+
+            return certificate2;
+        }
+    }
+}
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+using System;
+using System.Windows.Forms;
+
+namespace Quasar.Server.Helper
+{
+    public static class ClipboardHelper
+    {
+        public static void SetClipboardTextSafe(string text)
+        {
+            try
+            {
+                Clipboard.SetText(text);
+            }
+            catch (Exception)
+            {
+            }
+        }
+    }
+}
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+using System;
+using Quasar.Server.Utilities;
+
+namespace Quasar.Server.Helper
+{
+    public static class NativeMethodsHelper
+    {
+        private const int LVM_FIRST = 0x1000;
+        private const int LVM_SETITEMSTATE = LVM_FIRST + 43;
+
+        private const int WM_VSCROLL = 277;
+        private static readonly IntPtr SB_PAGEBOTTOM = new IntPtr(7);
+
+        public static int MakeWin32Long(short wLow, short wHigh)
+        {
+            return (int)wLow << 16 | (int)(short)wHigh;
+        }
+
+        public static void SetItemState(IntPtr handle, int itemIndex, int mask, int value)
+        {
+            NativeMethods.LVITEM lvItem = new NativeMethods.LVITEM
+            {
+                stateMask = mask,
+                state = value
+            };
+
+            NativeMethods.SendMessageListViewItem(handle, LVM_SETITEMSTATE, new IntPtr(itemIndex), ref lvItem);
+        }
+
+        public static void ScrollToBottom(IntPtr handle)
+        {
+            NativeMethods.SendMessage(handle, WM_VSCROLL, SB_PAGEBOTTOM, IntPtr.Zero);
+        }
+    }
+}
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+using Quasar.Server.Networking;
+
+namespace Quasar.Server.Helper
+{
+    public static class WindowHelper
+    {
+        public static string GetWindowTitle(string title, Client c)
+        {
+            return string.Format("{0} - {1}@{2} [{3}:{4}]", title, c.Value.Username, c.Value.PcName, c.EndPoint.Address.ToString(), c.EndPoint.Port.ToString());
+        }
+
+        public static string GetWindowTitle(string title, int count)
+        {
+            return string.Format("{0} [Selected: {1}]", title, count);
+        }
+    }
+}