Sonic.exe Download ^new^ Page

public static class SonicDownloader

// ------------------------------------------------------------- // Helper: get Content‑Length via HEAD request // ------------------------------------------------------------- private static async Task<long> GetContentLengthAsync(string url, CancellationToken ct) using var request = new HttpRequestMessage(HttpMethod.Head, url); using var response = await _http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, ct); response.EnsureSuccessStatusCode(); sonic.exe download

// ------------------------------------------------------------- // 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(); using var response = await _http.SendAsync(request

// 4️⃣ Verify SHA‑256 (optional but strongly recommended) await VerifyHashAsync(destinationFilePath, expectedHash: null); await using var stream = File.OpenRead(filePath)