private static void Main(string[] args)
{
// Setup DI
_container = AutofacBuilder.Global(args, _clientName, new PluginService());
// Basic services
_log = _container.Resolve <ILogService>();
_optionsService = _container.Resolve <IOptionsService>();
_options = _optionsService.Options;
if (_options == null)
{
return;
}
_input = _container.Resolve <IInputService>();
// .NET Framework check
var dn = _container.Resolve <DotNetVersionService>();
if (!dn.Check())
{
return;
}
// Show version information
_input.ShowBanner();
// Advanced services
_renewalService = _container.Resolve <RenewalService>();
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
// Main loop
do
{
try
{
if (_options.Renew)
{
CheckRenewals();
CloseDefault();
}
else if (!string.IsNullOrEmpty(_options.Plugin))
{
if (_options.Cancel)
{
CancelRenewal();
}
else
{
CreateNewCertificate(true);
}
CloseDefault();
}
else
{
MainMenu();
}
}
catch (Exception e)
{
HandleException(e);
Environment.ExitCode = e.HResult;
}
if (!_options.CloseOnFinish)
{
_options.Plugin = null;
_options.Renew = false;
_options.ForceRenewal = false;
Environment.ExitCode = 0;
}
} while (!_options.CloseOnFinish);
}
/// <summary>
/// Make sure we have authorization for every host in target
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
private static AuthorizationState Authorize(ILifetimeScope renewalScope, Target target)
{
List <string> identifiers = target.GetHosts(false);
List <AuthorizationState> authStatus = new List <AuthorizationState>();
var client = renewalScope.Resolve <LetsEncryptClient>();
foreach (var identifier in identifiers)
{
var authzState = client.Acme.AuthorizeIdentifier(identifier);
if (authzState.Status == _authorizationValid && !_options.Test)
{
_log.Information("Cached authorization result: {Status}", authzState.Status);
authStatus.Add(authzState);
}
else
{
using (var identifierScope = AutofacBuilder.Identifier(renewalScope, target, identifier))
{
IValidationPluginFactory validationPluginFactory = null;
IValidationPlugin validationPlugin = null;
try
{
validationPluginFactory = identifierScope.Resolve <IValidationPluginFactory>();
validationPlugin = identifierScope.Resolve <IValidationPlugin>();
}
catch { }
if (validationPluginFactory == null || validationPluginFactory is INull || validationPlugin == null)
{
return(new AuthorizationState {
Status = _authorizationInvalid
});
}
_log.Information("Authorizing {dnsIdentifier} using {challengeType} validation ({name})", identifier, validationPluginFactory.ChallengeType, validationPluginFactory.Name);
var challenge = client.Acme.DecodeChallenge(authzState, validationPluginFactory.ChallengeType);
validationPlugin.PrepareChallenge(challenge);
_log.Debug("Submitting answer");
authzState.Challenges = new AuthorizeChallenge[] { challenge };
client.Acme.SubmitChallengeAnswer(authzState, validationPluginFactory.ChallengeType, true);
// have to loop to wait for server to stop being pending.
// TODO: put timeout/retry limit in this loop
while (authzState.Status == _authorizationPending)
{
_log.Debug("Refreshing authorization");
Thread.Sleep(4000); // this has to be here to give ACME server a chance to think
var newAuthzState = client.Acme.RefreshIdentifierAuthorization(authzState);
if (newAuthzState.Status != _authorizationPending)
{
authzState = newAuthzState;
}
}
_log.Information("Authorization result: {Status}", authzState.Status);
authStatus.Add(authzState);
}
}
}
foreach (var authState in authStatus)
{
if (authState.Status != _authorizationValid)
{
return(authState);
}
}
return(new AuthorizationState {
Status = _authorizationValid
});
}
private static void CreateNewCertificate(bool unattended)
{
if (unattended)
{
_log.Information(true, "Running in unattended mode.");
}
var tempRenewal = CreateRenewal(_options);
using (var scope = AutofacBuilder.Renewal(_container, tempRenewal, !unattended))
{
// Choose target plugin
var targetPluginFactory = scope.Resolve <ITargetPluginFactory>();
if (targetPluginFactory is INull)
{
return; // User cancelled or unable to resolve
}
// Aquire target
var targetPlugin = scope.Resolve <ITargetPlugin>();
var target = unattended ? targetPlugin.Default(_optionsService) : targetPlugin.Aquire(_optionsService, _input);
var originalTarget = tempRenewal.Binding;
tempRenewal.Binding = target;
if (target == null)
{
_log.Error("Plugin {name} was unable to generate a target", targetPluginFactory.Name);
return;
}
tempRenewal.Binding.TargetPluginName = targetPluginFactory.Name;
tempRenewal.Binding.SSLPort = _options.SSLPort;
tempRenewal.Binding.ValidationPluginName = originalTarget.ValidationPluginName;
_log.Information("Plugin {name} generated target {target}", targetPluginFactory.Name, tempRenewal.Binding);
// Choose validation plugin
var validationPluginFactory = scope.Resolve <IValidationPluginFactory>();
if (validationPluginFactory is INull)
{
return; // User cancelled
}
else if (!validationPluginFactory.CanValidate(target))
{
// Might happen in unattended mode
_log.Error("Validation plugin {name} is unable to validate target", validationPluginFactory.Name);
return;
}
// Configure validation
try
{
if (unattended)
{
validationPluginFactory.Default(target, _optionsService);
}
else
{
validationPluginFactory.Aquire(target, _optionsService, _input);
}
tempRenewal.Binding.ValidationPluginName = $"{validationPluginFactory.ChallengeType}.{validationPluginFactory.Name}";
}
catch (Exception ex)
{
_log.Error(ex, "Invalid validation input");
return;
}
// Choose and configure installation plugins
try
{
var installFactories = scope.Resolve <List <IInstallationPluginFactory> >();
if (installFactories.Count == 0)
{
// User cancelled, otherwise we would at least have the Null-installer
return;
}
foreach (var installFactory in installFactories)
{
if (unattended)
{
installFactory.Default(tempRenewal, _optionsService);
}
else
{
installFactory.Aquire(tempRenewal, _optionsService, _input);
}
}
tempRenewal.InstallationPluginNames = installFactories.Select(f => f.Name).ToList();
}
catch (Exception ex)
{
_log.Error(ex, "Invalid installation input");
return;
}
var result = Renew(scope, CreateRenewal(tempRenewal));
if (!result.Success)
{
_log.Error("Create certificate failed");
}
}
}