public async Task <byte[]?> GetPublicPartOfCertificate(string driveCertificateUrl)
{
var positionOfFileName = driveCertificateUrl.LastIndexOf("/", StringComparison.Ordinal) + 1;
var fileName = driveCertificateUrl.Substring(positionOfFileName);
lifetime.Add(() => DeleteFileIfExists(fileName));
var directoryName = Path.GetFileNameWithoutExtension(fileName);
lifetime.Add(() => DeleteDirectoryIfExists(directoryName));
if (!File.Exists(fileName))
{
var downloaded = await DownloadToFile(driveCertificateUrl, fileName);
if (!downloaded)
{
return(null);
}
}
if (!Directory.Exists(directoryName) || Directory.GetFiles(directoryName).Length == 0)
{
ZipFile.ExtractToDirectory(fileName, directoryName);
}
var publicPartOfCert = Path.Combine(directoryName, "cert.cer");
return(await File.ReadAllBytesAsync(publicPartOfCert));
async Task <bool> DownloadToFile(string url, string path)
{
var responseMessage = await httpClient.GetAsync(new Uri(url, UriKind.Absolute));
if (responseMessage.StatusCode == HttpStatusCode.NotFound)
{
return(false);
}
responseMessage.EnsureSuccessStatusCode();
var content = responseMessage.Content;
await using var stream = await content.ReadAsStreamAsync().ConfigureAwait(false);
await using var fileStream = File.OpenWrite(path);
await stream.CopyToAsync(fileStream);
return(true);
}
}
public HttpClientImplementation(string baseUrl, string apiKey, ILifetime lifetime, ILog log)
{
this.log = log;
httpClient = lifetime.Add(new HttpClient
{
BaseAddress = new Uri(baseUrl, UriKind.Absolute)
});
httpClient.DefaultRequestHeaders.Add("X-Kontur-Apikey", apiKey);
}
public DriveCertificatesReader(ILifetime lifetime)
{
this.lifetime = lifetime;
httpClient = lifetime.Add(new HttpClient());
}