public SftpInitializer(
ILogger <SftpInitializer> logger,
ISftpClientFactory sftpClientFactory,
SftpClientOptions sftpClientOptions)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_sftpClientFactory = sftpClientFactory ?? throw new ArgumentNullException(nameof(sftpClientFactory));
_sftpClientOptions = sftpClientOptions ?? throw new ArgumentNullException(nameof(sftpClientOptions));
_sftpClientOptions.AssertValid();
}
public SftpClient(
SftpClientOptions options,
ITempFileStreamFactory tempFileStreamFactory,
ILoggerFactory loggerFactory)
{
_tempFileStreamFactory = tempFileStreamFactory ?? throw new ArgumentNullException(nameof(tempFileStreamFactory));
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
_logger = loggerFactory.CreateLogger <SftpClient>();
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var timeout = TimeSpan.FromSeconds(options.RetryTimeoutSec);
var policyBase = Policy
.Handle <SocketException>()
.Or <SshConnectionException>()
.Or <SshException>()
.Or <ProxyException>();
_retryAsyncPolicy = policyBase
.WaitAndRetryAsync(
options.RetryCount,
i => timeout,
(ex, innerTimeout, retryCount, context) =>
{
_logger.LogWarning(
$"Error occured while uploading to CDN. Retry # {retryCount} will started after {innerTimeout.TotalSeconds} sec");
});
_retryPolicy = policyBase
.WaitAndRetry(
options.RetryCount,
i => timeout,
(ex, innerTimeout, retryCount, context) =>
{
_logger.LogWarning(
$"Error occured while uploading to CDN. Retry # {retryCount} will started after {innerTimeout.TotalSeconds} sec");
});
var authMethods = ComposeAuthMethods(options);
var connectionInfo = new ConnectionInfo(
host: options.SshServer,
port: options.SshPort,
username: options.SshLogin,
authenticationMethods: authMethods);
_sftpClient = new Renci.SshNet.SftpClient(connectionInfo);
}
public SftpClientFactory(
SftpClientOptions options,
ITempFileStreamFactory tempFileStreamFactory,
ILoggerFactory loggerFactory)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_options.AssertValid();
_tempFileStreamFactory = tempFileStreamFactory ?? throw new ArgumentNullException(nameof(tempFileStreamFactory));
_loggerFactory = loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory));
}
/// <summary>
/// Adds to SSH.NET SFTP services.
/// </summary>
public static IServiceCollection AddSftpServices(
this IServiceCollection services,
SftpClientOptions sftpClientOptions)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (sftpClientOptions == null)
{
throw new ArgumentNullException(nameof(sftpClientOptions));
}
sftpClientOptions.AssertValid();
services.TryAddSingleton(sftpClientOptions);
services.TryAddSingleton <ISftpClientFactory, SftpClientFactory>();
services.AddAppInitializer <SftpInitializer>();
return(services);
}
private AuthenticationMethod[] ComposeAuthMethods(SftpClientOptions options)
{
if (String.IsNullOrEmpty(options.SshPassword) &&
String.IsNullOrEmpty(options.SshPrivateKeyPath))
{
return(new AuthenticationMethod[]
{
new NoneAuthenticationMethod(options.SshLogin)
});
}
if (!String.IsNullOrEmpty(options.SshPassword))
{
return(new AuthenticationMethod[]
{
new PasswordAuthenticationMethod(options.SshLogin, options.SshPassword)
});
}
if (!String.IsNullOrEmpty(options.SshPrivateKeyPath))
{
var keyPhrase = String.IsNullOrWhiteSpace(options.SshPrivateKeyPassphrase)
? null
: options.SshPrivateKeyPassphrase;
return(new AuthenticationMethod[]
{
new PrivateKeyAuthenticationMethod(
options.SshLogin,
new PrivateKeyFile(
options.SshPrivateKeyPath,
keyPhrase))
});
}
throw new ArgumentException(LNG.SftpClient_AuthMethodsNotSpecified);
}
