Premiere commit - Omika

2026-10-23 18:46:50 +02:00
commit 8ea76c1b24
2155 changed files with 984301 additions and 0 deletions
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+using Omika.Diagnostics.Security;
+
+namespace Omika.Diagnostics.Tests;
+
+/// <summary>Tests de la génération/hachage de la clé d'accès serveur client (T19, §27-§32).</summary>
+public class DiagnosticApiKeyGeneratorTests
+{
+    [Fact]
+    public void GenerateKey_HasPrefix_AndDecodesTo32Bytes()
+    {
+        string key = DiagnosticApiKeyGenerator.GenerateKey();
+
+        Assert.StartsWith(DiagnosticApiKeyGenerator.KeyPrefix, key);
+        string base64Url = key[DiagnosticApiKeyGenerator.KeyPrefix.Length..];
+        byte[] bytes = DecodeBase64Url(base64Url);
+        Assert.Equal(DiagnosticApiKeyGenerator.KeyBytes, bytes.Length);
+    }
+
+    [Fact]
+    public void GenerateKey_ProducesUniqueKeys()
+    {
+        HashSet<string> keys = Enumerable.Range(0, 100).Select(_ => DiagnosticApiKeyGenerator.GenerateKey()).ToHashSet();
+        Assert.Equal(100, keys.Count);
+    }
+
+    [Fact]
+    public void Hash_IsDeterministic_And64HexChars()
+    {
+        string hash1 = DiagnosticApiKeyGenerator.Hash("omkdiag_test");
+        string hash2 = DiagnosticApiKeyGenerator.Hash("omkdiag_test");
+
+        Assert.Equal(hash1, hash2);
+        Assert.Equal(64, hash1.Length);
+        Assert.Matches("^[0-9A-F]{64}$", hash1);
+    }
+
+    [Fact]
+    public void Verify_ReturnsTrue_ForMatchingKey()
+    {
+        string key = DiagnosticApiKeyGenerator.GenerateKey();
+        string hash = DiagnosticApiKeyGenerator.Hash(key);
+
+        Assert.True(DiagnosticApiKeyGenerator.Verify(key, hash));
+    }
+
+    [Fact]
+    public void Verify_ReturnsFalse_ForWrongKey()
+    {
+        string hash = DiagnosticApiKeyGenerator.Hash("omkdiag_real_key");
+        Assert.False(DiagnosticApiKeyGenerator.Verify("omkdiag_other_key", hash));
+    }
+
+    [Fact]
+    public void Verify_ReturnsFalse_ForMalformedHash()
+    {
+        Assert.False(DiagnosticApiKeyGenerator.Verify("omkdiag_x", "not-a-hex-hash"));
+    }
+
+    [Fact]
+    public void Verify_ReturnsFalse_ForEmptyInputs()
+    {
+        Assert.False(DiagnosticApiKeyGenerator.Verify("", "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"));
+        Assert.False(DiagnosticApiKeyGenerator.Verify("omkdiag_x", ""));
+    }
+
+    [Fact]
+    public void DisplayPrefix_ReturnsFirst8Chars()
+    {
+        string prefix = DiagnosticApiKeyGenerator.DisplayPrefix("omkdiag_abcdefgh", 8);
+        Assert.Equal("omkdiag_", prefix);
+        Assert.Equal(8, prefix.Length);
+    }
+
+    private static byte[] DecodeBase64Url(string value)
+    {
+        string base64 = value.Replace('-', '+').Replace('_', '/');
+        switch (base64.Length % 4)
+        {
+            case 2: base64 += "=="; break;
+            case 3: base64 += "="; break;
+        }
+
+        return Convert.FromBase64String(base64);
+    }
+}