/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="binding"></param>
/// <returns></returns>
public CertificateInfo RequestCertificate(ICsrPlugin csrPlugin, RunLevel runLevel, Renewal renewal, Target target, OrderDetails order)
{
// What are we going to get?
var pfxFileInfo = new FileInfo(PfxFilePath(renewal));
// Determine/check the common name
var identifiers = target.GetHosts(false);
var commonNameUni = target.CommonName;
var commonNameAscii = string.Empty;
if (!string.IsNullOrWhiteSpace(commonNameUni))
{
var idn = new IdnMapping();
commonNameAscii = idn.GetAscii(commonNameUni);
if (!identifiers.Contains(commonNameAscii, StringComparer.InvariantCultureIgnoreCase))
{
_log.Warning($"Common name {commonNameUni} provided is invalid.");
commonNameAscii = identifiers.First();
commonNameUni = idn.GetUnicode(commonNameAscii);
}
}
// Determine the friendly name
var friendlyName = renewal.FriendlyName;
if (string.IsNullOrEmpty(friendlyName))
{
friendlyName = target.FriendlyName;
}
if (string.IsNullOrEmpty(friendlyName))
{
friendlyName = commonNameUni;
}
// Try using cached certificate first to avoid rate limiting during
// (initial?) deployment troubleshooting. Real certificate requests
// will only be done once per day maximum unless the --force parameter
// is used.
var cache = CachedInfo(renewal);
if (cache != null &&
cache.CacheFile.LastWriteTime > DateTime.Now.AddDays(Settings.Default.CertificateCacheDays * -1) &&
cache.Match(target))
{
if (runLevel.HasFlag(RunLevel.IgnoreCache))
{
_log.Warning("Cached certificate available but not used with --{switch}. Use 'Renew specific' or " +
"'Renew all' in the main menu to run unscheduled renewals without hitting rate limits.",
nameof(MainArguments.Force).ToLower());
}
else
{
_log.Warning("Using cached certificate for {friendlyName}. To force issue of a new certificate within " +
"24 hours, delete the .pfx file from the CertificatePath or run with the --{switch} switch. " +
"Be ware that you might run into rate limits doing so.",
friendlyName,
nameof(MainArguments.Force).ToLower());
return(cache);
}
}
var csr = csrPlugin.GenerateCsr(commonNameAscii, identifiers);
var csrBytes = csr.CreateSigningRequest();
order = _client.SubmitCsr(order, csrBytes);
File.WriteAllText(GetPath(renewal, "-csr.pem"), _pemService.GetPem("CERTIFICATE REQUEST", csrBytes));
_log.Information("Requesting certificate {friendlyName}", friendlyName);
var rawCertificate = _client.GetCertificate(order);
if (rawCertificate == null)
{
throw new Exception($"Unable to get certificate");
}
var certificate = new X509Certificate2(rawCertificate);
var certificateExport = certificate.Export(X509ContentType.Cert);
var crtPem = _pemService.GetPem("CERTIFICATE", certificateExport);
// Get issuer certificate
var issuerCertificate = new X509Certificate2(rawCertificate.Skip(certificateExport.Length).ToArray());
var issuerCertificateExport = issuerCertificate.Export(X509ContentType.Cert);
var issuerPem = _pemService.GetPem("CERTIFICATE", issuerCertificateExport);
// Build pfx archive
var pfx = new bc.Pkcs.Pkcs12Store();
var bcCertificate = _pemService.ParsePem <bc.X509.X509Certificate>(crtPem);
var bcCertificateEntry = new bc.Pkcs.X509CertificateEntry(bcCertificate);
var bcCertificateAlias = bcCertificate.SubjectDN.ToString();
var bcPrivateKeyEntry = new bc.Pkcs.AsymmetricKeyEntry(csrPlugin.GetPrivateKey());
pfx.SetCertificateEntry(bcCertificateAlias, bcCertificateEntry);
pfx.SetKeyEntry(bcCertificateAlias, bcPrivateKeyEntry, new[] { bcCertificateEntry });
var bcIssuer = _pemService.ParsePem <bc.X509.X509Certificate>(issuerPem);
var bcIssuerEntry = new bc.Pkcs.X509CertificateEntry(bcIssuer);
var bcIssuerAlias = bcIssuer.SubjectDN.ToString();
pfx.SetCertificateEntry(bcIssuerAlias, bcIssuerEntry);
var pfxStream = new MemoryStream();
pfx.Save(pfxStream, null, new bc.Security.SecureRandom());
pfxStream.Position = 0;
using (var pfxStreamReader = new BinaryReader(pfxStream))
{
var tempPfx = new X509Certificate2(
pfxStreamReader.ReadBytes((int)pfxStream.Length),
(string)null,
X509KeyStorageFlags.MachineKeySet |
X509KeyStorageFlags.PersistKeySet |
X509KeyStorageFlags.Exportable);
if (csrPlugin.CanConvert())
{
try
{
var converted = csrPlugin.Convert(tempPfx.PrivateKey);
if (converted != null)
{
tempPfx.PrivateKey = converted;
}
}
catch
{
_log.Warning("Private key conversion error.");
}
}
tempPfx.FriendlyName = $"{friendlyName} {DateTime.Now.ToUserString()}";
File.WriteAllBytes(pfxFileInfo.FullName, tempPfx.Export(X509ContentType.Pfx, renewal.PfxPassword?.Value));
pfxFileInfo.Refresh();
}
// Update LastFriendlyName so that the user sees
// the most recently issued friendlyName in
// the WACS GUI
renewal.LastFriendlyName = friendlyName;
// Recreate X509Certificate2 with correct flags for Store/Install
return(new CertificateInfo()
{
Certificate = ReadForUse(pfxFileInfo, renewal.PfxPassword?.Value),
CacheFile = pfxFileInfo,
CacheFilePassword = renewal.PfxPassword?.Value
});
}
/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="csrPlugin">Plugin used to generate CSR if it has not been provided in the target</param>
/// <param name="runLevel"></param>
/// <param name="renewal"></param>
/// <param name="target"></param>
/// <param name="order"></param>
/// <returns></returns>
public async Task <CertificateInfo> RequestCertificate(ICsrPlugin?csrPlugin, RunLevel runLevel, Order order)
{
if (order.Details == null)
{
throw new InvalidOperationException("No order details found");
}
// What are we going to get?
var cacheKey = CacheKey(order);
var pfxFileInfo = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}{PfxPostFix}"));
var friendlyName = $"{order.FriendlyNameIntermediate} @ {_inputService.FormatDate(DateTime.Now)}";
// Generate the CSR here, because we want to save it
// in the certificate cache folder even though we might
// not need to submit it to the server in case of a
// cached order
order.Target.CsrBytes = order.Target.UserCsrBytes;
if (order.Target.CsrBytes == null)
{
if (csrPlugin == null)
{
throw new InvalidOperationException("Missing CsrPlugin");
}
if (order.KeyPath == null)
{
throw new InvalidOperationException("Missing ReusedKeyPath");
}
var csr = await csrPlugin.GenerateCsr(order.KeyPath, order.Target);
var keySet = await csrPlugin.GetKeys();
order.Target.CsrBytes = csr.GetDerEncoded();
order.Target.PrivateKey = keySet.Private;
}
if (order.Target.CsrBytes == null)
{
throw new InvalidOperationException("No CsrBytes found");
}
// Store CSR for future reference
ClearCache(order, postfix: $"*{CsrPostFix}");
var csrPath = GetPath(order.Renewal, $"-{cacheKey}{CsrPostFix}");
await File.WriteAllTextAsync(csrPath, _pemService.GetPem("CERTIFICATE REQUEST", order.Target.CsrBytes));
_log.Debug("CSR stored at {path} in certificate cache folder {folder}", Path.GetFileName(csrPath), Path.GetDirectoryName(csrPath));
// Check order status
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
// Finish the order by sending the CSR to
// the server, which can then generate the
// certificate.
_log.Verbose("Submitting CSR");
order.Details = await _client.SubmitCsr(order.Details, order.Target.CsrBytes);
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
_log.Error("Unexpected order status {status}", order.Details.Payload.Status);
throw new Exception($"Unable to complete order");
}
}
// Download the certificate from the server
_log.Information("Downloading certificate {friendlyName}", order.FriendlyNameIntermediate);
var certInfo = default(AcmeCertificate);
try
{
certInfo = await _client.GetCertificate(order.Details);
}
catch (Exception ex)
{
throw new Exception($"Unable to get certificate", ex);
}
if (certInfo == null || certInfo.Certificate == null)
{
throw new Exception($"Unable to get certificate");
}
var alternatives = new List <X509Certificate2Collection>
{
ParseCertificate(certInfo.Certificate, friendlyName, order.Target.PrivateKey)
};
if (certInfo.Links != null)
{
foreach (var alt in certInfo.Links["alternate"])
{
try
{
var altCertRaw = await _client.GetCertificate(alt);
var altCert = ParseCertificate(altCertRaw, friendlyName, order.Target.PrivateKey);
alternatives.Add(altCert);
}
catch (Exception ex)
{
_log.Warning("Unable to get alternate certificate: {ex}", ex.Message);
}
}
}
var selected = Select(alternatives);
ClearCache(order, postfix: $"*{PfxPostFix}");
ClearCache($"{order.Renewal.Id}*{PfxPostFixLegacy}");
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
_log.Debug("Certificate written to cache file {path} in certificate cache folder {folder}. It will be " +
"reused when renewing within {x} day(s) as long as the --source and --csr parameters remain the same and " +
"the --force switch is not used.",
pfxFileInfo.Name,
pfxFileInfo.Directory !.FullName,
_settings.Cache.ReuseDays);
if (csrPlugin != null)
{
try
{
var cert = selected.
OfType <X509Certificate2>().
Where(x => x.HasPrivateKey).
FirstOrDefault();
if (cert != null)
{
var certIndex = selected.IndexOf(cert);
var newVersion = await csrPlugin.PostProcess(cert);
if (newVersion != cert)
{
newVersion.FriendlyName = friendlyName;
selected[certIndex] = newVersion;
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
newVersion.Dispose();
}
}
}
catch (Exception ex)
{
_log.Warning("Private key conversion error: {ex}", ex.Message);
}
}
pfxFileInfo.Refresh();
// Update LastFriendlyName so that the user sees
// the most recently issued friendlyName in
// the WACS GUI
order.Renewal.LastFriendlyName = order.FriendlyNameBase;
// Recreate X509Certificate2 with correct flags for Store/Install
return(FromCache(pfxFileInfo, order.Renewal.PfxPassword?.Value));
}
/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="csrPlugin">Plugin used to generate CSR if it has not been provided in the target</param>
/// <param name="runLevel"></param>
/// <param name="renewal"></param>
/// <param name="target"></param>
/// <param name="order"></param>
/// <returns></returns>
public async Task <CertificateInfo> RequestCertificate(ICsrPlugin?csrPlugin, RunLevel runLevel, Order order)
{
if (order.Details == null)
{
throw new InvalidOperationException();
}
// What are we going to get?
var cacheKey = CacheKey(order);
var pfxFileInfo = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}{PfxPostFix}"));
// Determine/check the common name
var identifiers = order.Target.GetHosts(false);
var commonNameUni = order.Target.CommonName;
var commonNameAscii = string.Empty;
if (!string.IsNullOrWhiteSpace(commonNameUni))
{
var idn = new IdnMapping();
commonNameAscii = idn.GetAscii(commonNameUni);
if (!identifiers.Contains(commonNameAscii, StringComparer.InvariantCultureIgnoreCase))
{
_log.Warning($"Common name {commonNameUni} provided is invalid.");
commonNameAscii = identifiers.First();
commonNameUni = idn.GetUnicode(commonNameAscii);
}
}
// Determine the friendly name base (for the renewal)
var friendlyNameBase = order.Renewal.FriendlyName;
if (string.IsNullOrEmpty(friendlyNameBase))
{
friendlyNameBase = order.Target.FriendlyName;
}
if (string.IsNullOrEmpty(friendlyNameBase))
{
friendlyNameBase = commonNameUni;
}
// Determine the friendly name for this specific certificate
var friendlyNameIntermediate = friendlyNameBase;
if (!string.IsNullOrEmpty(order.FriendlyNamePart))
{
friendlyNameIntermediate += $" [{order.FriendlyNamePart}]";
}
var friendlyName = $"{friendlyNameIntermediate} @ {_inputService.FormatDate(DateTime.Now)}";
// Try using cached certificate first to avoid rate limiting during
// (initial?) deployment troubleshooting. Real certificate requests
// will only be done once per day maximum unless the --force parameter
// is used.
var cache = CachedInfo(order);
if (cache != null && cache.CacheFile != null)
{
if (cache.CacheFile.LastWriteTime > DateTime.Now.AddDays(_settings.Cache.ReuseDays * -1))
{
if (runLevel.HasFlag(RunLevel.IgnoreCache))
{
_log.Warning("Cached certificate available on disk but not used due to --{switch} switch.",
nameof(MainArguments.Force).ToLower());
}
else
{
_log.Warning("Using cached certificate for {friendlyName}. To force a new request of the " +
"certificate within {days} days, run with the --{switch} switch.",
friendlyNameIntermediate,
_settings.Cache.ReuseDays,
nameof(MainArguments.Force).ToLower());
return(cache);
}
}
}
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
// Clear cache and write new cert
ClearCache(order.Renewal, postfix: CsrPostFix);
if (order.Target.CsrBytes == null)
{
if (csrPlugin == null)
{
throw new InvalidOperationException("Missing csrPlugin");
}
// Backwards compatible with existing keys, which are not split per order yet.
var keyFile = new FileInfo(GetPath(order.Renewal, $".keys"));
if (!keyFile.Exists)
{
keyFile = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}.keys"));
}
var csr = await csrPlugin.GenerateCsr(keyFile.FullName, commonNameAscii, identifiers);
var keySet = await csrPlugin.GetKeys();
order.Target.CsrBytes = csr.GetDerEncoded();
order.Target.PrivateKey = keySet.Private;
var csrPath = GetPath(order.Renewal, $"-{cacheKey}{CsrPostFix}");
File.WriteAllText(csrPath, _pemService.GetPem("CERTIFICATE REQUEST", order.Target.CsrBytes));
_log.Debug("CSR stored at {path} in certificate cache folder {folder}", Path.GetFileName(csrPath), Path.GetDirectoryName(csrPath));
}
_log.Verbose("Submitting CSR");
order.Details = await _client.SubmitCsr(order.Details, order.Target.CsrBytes);
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
_log.Error("Unexpected order status {status}", order.Details.Payload.Status);
throw new Exception($"Unable to complete order");
}
}
_log.Information("Requesting certificate {friendlyName}", friendlyNameIntermediate);
var rawCertificate = await _client.GetCertificate(order.Details);
if (rawCertificate == null)
{
throw new Exception($"Unable to get certificate");
}
// Build pfx archive including any intermediates provided
var text = Encoding.UTF8.GetString(rawCertificate);
var pfx = new bc.Pkcs.Pkcs12Store();
var startIndex = 0;
var endIndex = 0;
const string startString = "-----BEGIN CERTIFICATE-----";
const string endString = "-----END CERTIFICATE-----";
while (true)
{
startIndex = text.IndexOf(startString, startIndex);
if (startIndex < 0)
{
break;
}
endIndex = text.IndexOf(endString, startIndex);
if (endIndex < 0)
{
break;
}
endIndex += endString.Length;
var pem = text[startIndex..endIndex];
/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="binding"></param>
/// <returns></returns>
public CertificateInfo RequestCertificate(ICsrPlugin csrPlugin, Renewal renewal, Target target, OrderDetails order)
{
// What are we going to get?
var pfxFileInfo = new FileInfo(PfxFilePath(renewal));
// Determine/check the common name
var identifiers = target.GetHosts(false);
var commonName = target.CommonName;
if (!string.IsNullOrWhiteSpace(commonName))
{
var idn = new IdnMapping();
commonName = idn.GetAscii(commonName);
if (!identifiers.Contains(commonName, StringComparer.InvariantCultureIgnoreCase))
{
_log.Warning($"Common name {commonName} provided is invalid.");
commonName = identifiers.First();
}
}
// Try using cached certificate first to avoid rate limiting during
// (initial?) deployment troubleshooting. Real certificate requests
// will only be done once per day maximum.
if (pfxFileInfo.Exists && pfxFileInfo.LastWriteTime > DateTime.Now.AddDays(-1))
{
try
{
var cached = new CertificateInfo()
{
Certificate = ReadForUse(pfxFileInfo, renewal.PfxPassword),
PfxFile = pfxFileInfo
};
var idn = new IdnMapping();
if (cached.SubjectName == commonName &&
cached.HostNames.Count == identifiers.Count() &&
cached.HostNames.All(h => identifiers.Contains(idn.GetAscii(h))))
{
if (_options.Force)
{
_log.Warning("Cached certificate available but not used with --{switch}. Use 'Renew specific' or 'Renew all' in the main menu to run unscheduled renewals without hitting rate limits.", nameof(MainArguments.Force).ToLower());
}
else
{
_log.Warning("Using cached certificate for {friendlyName}. To force issue of a new certificate within 24 hours, delete the .pfx file from the CertificatePath or run with the --{switch} switch. Be ware that you might run into rate limits doing so.", renewal.FriendlyName, nameof(MainArguments.Force).ToLower());
return(cached);
}
}
}
catch
{
// File corrupt or invalid password?
_log.Warning("Unable to read from certificate cache");
}
}
var csr = csrPlugin.GenerateCsr(commonName, identifiers);
var csrBytes = csr.CreateSigningRequest();
order = _client.SubmitCsr(order, csrBytes);
if (Settings.Default.SavePrivateKeyPem)
{
File.WriteAllText(GetPath(renewal, "-key.pem"), GetPem(csrPlugin.GeneratePrivateKey()));
}
File.WriteAllText(GetPath(renewal, "-csr.pem"), GetPem("CERTIFICATE REQUEST", csrBytes));
_log.Information("Requesting certificate {friendlyName}", renewal.FriendlyName);
var rawCertificate = _client.GetCertificate(order);
if (rawCertificate == null)
{
throw new Exception($"Unable to get certificate");
}
var certificate = new X509Certificate2(rawCertificate);
var certificateExport = certificate.Export(X509ContentType.Cert);
var crtDerFile = GetPath(renewal, $"-crt.der");
var crtPemFile = GetPath(renewal, $"-crt.pem");
var crtPem = GetPem("CERTIFICATE", certificateExport);
_log.Information("Saving certificate to {crtDerFile}", _certificatePath);
File.WriteAllBytes(crtDerFile, certificateExport);
File.WriteAllText(crtPemFile, crtPem);
// Get issuer certificate and save in DER and PEM formats
var chain = new X509Chain();
chain.Build(certificate);
X509Certificate2 issuerCertificate = chain.ChainElements[1].Certificate;
var issuerCertificateExport = issuerCertificate.Export(X509ContentType.Cert);
var issuerPem = GetPem("CERTIFICATE", issuerCertificateExport);
File.WriteAllBytes(GetPath(renewal, "-crt.der", "ca-"), issuerCertificateExport);
File.WriteAllText(GetPath(renewal, "-crt.pem", "ca-"), issuerPem);
// Generate combined files
File.WriteAllText(GetPath(renewal, "-chain.pem", "ca-"), crtPem + issuerPem);
// Build pfx archive
var pfx = new bc.Pkcs.Pkcs12Store();
var bcCertificate = ParsePem <bc.X509.X509Certificate>(crtPem);
var bcCertificateEntry = new bc.Pkcs.X509CertificateEntry(bcCertificate);
var bcCertificateAlias = bcCertificate.SubjectDN.ToString();
var bcPrivateKeyEntry = new bc.Pkcs.AsymmetricKeyEntry(csrPlugin.GeneratePrivateKey());
pfx.SetCertificateEntry(bcCertificateAlias, bcCertificateEntry);
pfx.SetKeyEntry(bcCertificateAlias, bcPrivateKeyEntry, new[] { bcCertificateEntry });
var bcIssuer = ParsePem <bc.X509.X509Certificate>(issuerPem);
var bcIssuerEntry = new bc.Pkcs.X509CertificateEntry(bcIssuer);
var bcIssuerAlias = bcIssuer.SubjectDN.ToString();
pfx.SetCertificateEntry(bcIssuerAlias, bcIssuerEntry);
using (var pfxStream = new MemoryStream())
{
pfx.Save(pfxStream, null, new bc.Security.SecureRandom());
pfxStream.Position = 0;
using (var pfxStreamReader = new BinaryReader(pfxStream))
{
var tempPfx = new X509Certificate2(
pfxStreamReader.ReadBytes((int)pfxStream.Length),
(string)null,
X509KeyStorageFlags.MachineKeySet |
X509KeyStorageFlags.PersistKeySet |
X509KeyStorageFlags.Exportable);
if (csrPlugin.CanConvert())
{
try
{
var converted = csrPlugin.Convert(tempPfx.PrivateKey);
if (converted != null)
{
tempPfx.PrivateKey = converted;
}
}
catch
{
_log.Warning("Private key conversion error.");
}
}
tempPfx.FriendlyName = FriendlyName(renewal);
File.WriteAllBytes(pfxFileInfo.FullName, tempPfx.Export(X509ContentType.Pfx, renewal.PfxPassword));
pfxFileInfo.Refresh();
}
}
// Recreate X509Certificate2 with correct flags for Store/Install
return(new CertificateInfo()
{
Certificate = ReadForUse(pfxFileInfo, renewal.PfxPassword),
PfxFile = pfxFileInfo
});
}
/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="csrPlugin">Plugin used to generate CSR if it has not been provided in the target</param>
/// <param name="runLevel"></param>
/// <param name="renewal"></param>
/// <param name="target"></param>
/// <param name="order"></param>
/// <returns></returns>
public async Task <CertificateInfo> RequestCertificate(ICsrPlugin?csrPlugin, RunLevel runLevel, Order order)
{
if (order.Details == null)
{
throw new InvalidOperationException("No order details found");
}
// What are we going to get?
var cacheKey = CacheKey(order);
var pfxFileInfo = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}{PfxPostFix}"));
// Determine/check the common name
var identifiers = order.Target.GetHosts(false);
var commonNameUni = order.Target.CommonName;
var commonNameAscii = string.Empty;
if (!string.IsNullOrWhiteSpace(commonNameUni))
{
var idn = new IdnMapping();
commonNameAscii = idn.GetAscii(commonNameUni);
if (!identifiers.Contains(commonNameAscii, StringComparer.InvariantCultureIgnoreCase))
{
_log.Warning($"Common name {commonNameUni} provided is invalid.");
commonNameAscii = identifiers.First();
commonNameUni = idn.GetUnicode(commonNameAscii);
}
}
// Determine the friendly name base (for the renewal)
var friendlyNameBase = order.Renewal.FriendlyName;
if (string.IsNullOrEmpty(friendlyNameBase))
{
friendlyNameBase = order.Target.FriendlyName;
}
if (string.IsNullOrEmpty(friendlyNameBase))
{
friendlyNameBase = commonNameUni;
}
// Determine the friendly name for this specific certificate
var friendlyNameIntermediate = friendlyNameBase;
if (!string.IsNullOrEmpty(order.FriendlyNamePart))
{
friendlyNameIntermediate += $" [{order.FriendlyNamePart}]";
}
var friendlyName = $"{friendlyNameIntermediate} @ {_inputService.FormatDate(DateTime.Now)}";
// Try using cached certificate first to avoid rate limiting during
// (initial?) deployment troubleshooting. Real certificate requests
// will only be done once per day maximum unless the --force parameter
// is used.
var cache = CachedInfo(order);
if (cache != null && cache.CacheFile != null)
{
if (cache.CacheFile.LastWriteTime > DateTime.Now.AddDays(_settings.Cache.ReuseDays * -1))
{
if (runLevel.HasFlag(RunLevel.IgnoreCache))
{
_log.Warning("Cached certificate available on disk but not used due to --{switch} switch.",
nameof(MainArguments.Force).ToLower());
}
else
{
_log.Warning("Using cached certificate for {friendlyName}. To force a new request of the " +
"certificate within {days} days, run with the --{switch} switch.",
friendlyNameIntermediate,
_settings.Cache.ReuseDays,
nameof(MainArguments.Force).ToLower());
return(cache);
}
}
}
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
// Clear cache and write new cert
ClearCache(order.Renewal, postfix: CsrPostFix);
if (order.Target.CsrBytes == null)
{
if (csrPlugin == null)
{
throw new InvalidOperationException("Missing csrPlugin");
}
// Backwards compatible with existing keys, which are not split per order yet.
var keyFile = new FileInfo(GetPath(order.Renewal, $".keys"));
if (!keyFile.Exists)
{
keyFile = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}.keys"));
}
var csr = await csrPlugin.GenerateCsr(keyFile.FullName, commonNameAscii, identifiers);
var keySet = await csrPlugin.GetKeys();
order.Target.CsrBytes = csr.GetDerEncoded();
order.Target.PrivateKey = keySet.Private;
var csrPath = GetPath(order.Renewal, $"-{cacheKey}{CsrPostFix}");
await File.WriteAllTextAsync(csrPath, _pemService.GetPem("CERTIFICATE REQUEST", order.Target.CsrBytes));
_log.Debug("CSR stored at {path} in certificate cache folder {folder}", Path.GetFileName(csrPath), Path.GetDirectoryName(csrPath));
}
_log.Verbose("Submitting CSR");
order.Details = await _client.SubmitCsr(order.Details, order.Target.CsrBytes);
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
_log.Error("Unexpected order status {status}", order.Details.Payload.Status);
throw new Exception($"Unable to complete order");
}
}
_log.Information("Requesting certificate {friendlyName}", friendlyNameIntermediate);
var certInfo = await _client.GetCertificate(order.Details);
if (certInfo == null || certInfo.Certificate == null)
{
throw new Exception($"Unable to get certificate");
}
var alternatives = new List <X509Certificate2Collection>
{
ParseCertificate(certInfo.Certificate, friendlyName, order.Target.PrivateKey)
};
if (certInfo.Links != null)
{
foreach (var alt in certInfo.Links["alternate"])
{
try
{
var altCertRaw = await _client.GetCertificate(alt);
var altCert = ParseCertificate(altCertRaw, friendlyName, order.Target.PrivateKey);
alternatives.Add(altCert);
}
catch (Exception ex)
{
_log.Warning("Unable to get alternate certificate: {ex}", ex.Message);
}
}
}
var selected = Select(alternatives);
ClearCache(order.Renewal, postfix: $"*{PfxPostFix}");
ClearCache(order.Renewal, postfix: $"*{PfxPostFixLegacy}");
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
_log.Debug("Certificate written to cache file {path} in certificate cache folder {folder}. It will be " +
"reused when renewing within {x} day(s) as long as the Target and Csr parameters remain the same and " +
"the --force switch is not used.",
pfxFileInfo.Name,
pfxFileInfo.Directory !.FullName,
_settings.Cache.ReuseDays);
if (csrPlugin != null)
{
try
{
var cert = selected.
OfType <X509Certificate2>().
Where(x => x.HasPrivateKey).
FirstOrDefault();
if (cert != null)
{
var certIndex = selected.IndexOf(cert);
var newVersion = await csrPlugin.PostProcess(cert);
if (newVersion != cert)
{
newVersion.FriendlyName = friendlyName;
selected[certIndex] = newVersion;
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
newVersion.Dispose();
}
}
}
catch (Exception ex)
{
_log.Warning("Private key conversion error: {ex}", ex.Message);
}
}
pfxFileInfo.Refresh();
// Update LastFriendlyName so that the user sees
// the most recently issued friendlyName in
// the WACS GUI
order.Renewal.LastFriendlyName = friendlyNameBase;
// Recreate X509Certificate2 with correct flags for Store/Install
return(FromCache(pfxFileInfo, order.Renewal.PfxPassword?.Value));
}
/// <summary>
/// Request certificate from the ACME server
/// </summary>
/// <param name="csrPlugin">Plugin used to generate CSR if it has not been provided in the target</param>
/// <param name="runLevel"></param>
/// <param name="renewal"></param>
/// <param name="target"></param>
/// <param name="order"></param>
/// <returns></returns>
public async Task <CertificateInfo> RequestCertificate(ICsrPlugin?csrPlugin, RunLevel runLevel, Order order)
{
if (order.Details == null)
{
throw new InvalidOperationException("No order details found");
}
// What are we going to get?
var cacheKey = CacheKey(order);
var pfxFileInfo = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}{PfxPostFix}"));
var friendlyName = $"{order.FriendlyNameIntermediate} @ {_inputService.FormatDate(DateTime.Now)}";
// Determine/check the common name
var identifiers = order.Target.GetIdentifiers(false);
var commonName = order.Target.CommonName;
if (!identifiers.Contains(commonName.Unicode(false)))
{
_log.Warning($"Common name {commonName.Value} provided is invalid.");
commonName = identifiers.First();
}
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
// Clear cache and write new cert
ClearCache(order.Renewal, postfix: CsrPostFix);
if (order.Target.CsrBytes == null)
{
if (csrPlugin == null)
{
throw new InvalidOperationException("Missing csrPlugin");
}
// Backwards compatible with existing keys, which are not split per order yet.
var keyFile = new FileInfo(GetPath(order.Renewal, $".keys"));
if (!keyFile.Exists)
{
keyFile = new FileInfo(GetPath(order.Renewal, $"-{cacheKey}.keys"));
}
var csr = await csrPlugin.GenerateCsr(keyFile.FullName, commonName, identifiers);
var keySet = await csrPlugin.GetKeys();
order.Target.CsrBytes = csr.GetDerEncoded();
order.Target.PrivateKey = keySet.Private;
var csrPath = GetPath(order.Renewal, $"-{cacheKey}{CsrPostFix}");
await File.WriteAllTextAsync(csrPath, _pemService.GetPem("CERTIFICATE REQUEST", order.Target.CsrBytes));
_log.Debug("CSR stored at {path} in certificate cache folder {folder}", Path.GetFileName(csrPath), Path.GetDirectoryName(csrPath));
}
_log.Verbose("Submitting CSR");
order.Details = await _client.SubmitCsr(order.Details, order.Target.CsrBytes);
if (order.Details.Payload.Status != AcmeClient.OrderValid)
{
_log.Error("Unexpected order status {status}", order.Details.Payload.Status);
throw new Exception($"Unable to complete order");
}
}
_log.Information("Requesting certificate {friendlyName}", order.FriendlyNameIntermediate);
var certInfo = await _client.GetCertificate(order.Details);
if (certInfo == null || certInfo.Certificate == null)
{
throw new Exception($"Unable to get certificate");
}
var alternatives = new List <X509Certificate2Collection>
{
ParseCertificate(certInfo.Certificate, friendlyName, order.Target.PrivateKey)
};
if (certInfo.Links != null)
{
foreach (var alt in certInfo.Links["alternate"])
{
try
{
var altCertRaw = await _client.GetCertificate(alt);
var altCert = ParseCertificate(altCertRaw, friendlyName, order.Target.PrivateKey);
alternatives.Add(altCert);
}
catch (Exception ex)
{
_log.Warning("Unable to get alternate certificate: {ex}", ex.Message);
}
}
}
var selected = Select(alternatives);
ClearCache(order.Renewal, postfix: $"*{PfxPostFix}");
ClearCache(order.Renewal, postfix: $"*{PfxPostFixLegacy}");
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
_log.Debug("Certificate written to cache file {path} in certificate cache folder {folder}. It will be " +
"reused when renewing within {x} day(s) as long as the --source and --csr parameters remain the same and " +
"the --force switch is not used.",
pfxFileInfo.Name,
pfxFileInfo.Directory !.FullName,
_settings.Cache.ReuseDays);
if (csrPlugin != null)
{
try
{
var cert = selected.
OfType <X509Certificate2>().
Where(x => x.HasPrivateKey).
FirstOrDefault();
if (cert != null)
{
var certIndex = selected.IndexOf(cert);
var newVersion = await csrPlugin.PostProcess(cert);
if (newVersion != cert)
{
newVersion.FriendlyName = friendlyName;
selected[certIndex] = newVersion;
await File.WriteAllBytesAsync(pfxFileInfo.FullName, selected.Export(X509ContentType.Pfx, order.Renewal.PfxPassword?.Value) !);
newVersion.Dispose();
}
}
}
catch (Exception ex)
{
_log.Warning("Private key conversion error: {ex}", ex.Message);
}
}
pfxFileInfo.Refresh();
// Update LastFriendlyName so that the user sees
// the most recently issued friendlyName in
// the WACS GUI
order.Renewal.LastFriendlyName = order.FriendlyNameBase;
// Recreate X509Certificate2 with correct flags for Store/Install
return(FromCache(pfxFileInfo, order.Renewal.PfxPassword?.Value));
}