Sonic.exe Download !!better!! Instant
public static class SonicDownloader
// 3️⃣ Stream download using var response = await _http.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead, ct); response.EnsureSuccessStatusCode(); sonic.exe download
// 4️⃣ Verify SHA‑256 (optional but strongly recommended) await VerifyHashAsync(destinationFilePath, expectedHash: null); private const string EXPECTED_SHA256 = "0123456789abcdef..."
private const string DOWNLOAD_URL = "https://example.com/path/to/sonic.exe"; private const string EXPECTED_SHA256 = "0123456789abcdef..."; // 64‑hex chars await using var stream = File.OpenRead(filePath)
return response.Content.Headers.ContentLength ?? -1;
// ------------------------------------------------------------- // Helper: SHA‑256 verification (pass expected hash string or null) // ------------------------------------------------------------- public static async Task VerifyHashAsync(string filePath, string expectedHash = null) using var sha256 = SHA256.Create(); await using var stream = File.OpenRead(filePath); byte[] hash = await sha256.ComputeHashAsync(stream); string computed = BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();