public CertificateService(IOptions <CertificateServiceSettings> settings)
{
_settings = settings.Value;
var certificatePath = Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), _settings.PfxCertificatePath);
_intermediateCertificate = new X509Certificate2(certificatePath, _settings.PrivateKeyPassword);
}
private static async Task RenewCore(RenewalParameters renewalParams)
{
Trace.TraceInformation("Generating SSL certificate with parameters: {0}", renewalParams);
var acmeConfig = GetAcmeConfig(renewalParams);
var webAppEnvironment = GetWebAppEnvironment(renewalParams);
var certificateServiceSettings = new CertificateServiceSettings {
UseIPBasedSSL = renewalParams.UseIpBasedSsl
};
var azureDnsEnvironment = GetAzureDnsEnvironment(renewalParams);
if (azureDnsEnvironment != null)
{
throw new ConfigurationErrorsException("Azure DNS challenge currently not supported");
}
var manager = CertificateManager.CreateKuduWebAppCertificateManager(webAppEnvironment, acmeConfig, certificateServiceSettings, new AuthProviderConfig());
Trace.TraceInformation("Adding SSL cert for '{0}'...", GetWebAppFullName(renewalParams));
bool addNewCert = true;
if (renewalParams.RenewXNumberOfDaysBeforeExpiration > 0)
{
var staging = acmeConfig.BaseUri.Contains("staging", StringComparison.OrdinalIgnoreCase);
var letsEncryptHostNames = await CertificateHelper.GetLetsEncryptHostNames(webAppEnvironment, staging);
Trace.TraceInformation("Let's Encrypt host names (staging: {0}): {1}", staging, String.Join(", ", letsEncryptHostNames));
ICollection <string> missingHostNames = acmeConfig.Hostnames.Except(letsEncryptHostNames, StringComparer.OrdinalIgnoreCase).ToArray();
if (missingHostNames.Count > 0)
{
Trace.TraceInformation(
"Detected host name(s) with no associated Let's Encrypt certificates, will add a new certificate: {0}",
String.Join(", ", missingHostNames));
}
else
{
Trace.TraceInformation("All host names associated with Let's Encrypt certificates, will perform cert renewal");
addNewCert = false;
}
}
if (addNewCert)
{
await manager.AddCertificate();
}
else
{
await manager.RenewCertificate(false, renewalParams.RenewXNumberOfDaysBeforeExpiration);
}
Trace.TraceInformation("Let's Encrypt SSL certs & bindings renewed for '{0}'", renewalParams.WebApp);
}
private static async Task RenewCore(RenewalParameters renewalParams)
{
Trace.TraceInformation("Adding / renewing SSL cert for '{0}' with parameters: {1}", GetWebAppFullName(renewalParams), renewalParams);
var acmeConfig = GetAcmeConfig(renewalParams, CertificateHelper.GenerateSecurePassword());
var webAppEnvironment = GetWebAppEnvironment(renewalParams);
var certificateServiceSettings = new CertificateServiceSettings {
UseIPBasedSSL = renewalParams.UseIpBasedSsl
};
var azureDnsEnvironment = GetAzureDnsEnvironment(renewalParams);
bool staging = acmeConfig.BaseUri.Contains("staging", StringComparison.OrdinalIgnoreCase);
if (azureDnsEnvironment != null)
{
await GetDnsRenewalService(renewalParams, azureDnsEnvironment, webAppEnvironment).Run(
new AcmeDnsRequest
{
AcmeEnvironment = staging ? (AcmeEnvironment) new LetsEncryptStagingV2() : new LetsEncryptV2(),
RegistrationEmail = acmeConfig.RegistrationEmail,
Host = acmeConfig.Host,
PFXPassword = CertificateHelper.GenerateSecurePassword(),
CsrInfo = new CsrInfo(),
}, renewalParams.RenewXNumberOfDaysBeforeExpiration).ConfigureAwait(false);
}
else
{
var manager = CertificateManager.CreateKuduWebAppCertificateManager(webAppEnvironment, acmeConfig, certificateServiceSettings, new AuthProviderConfig());
var addNewCert = await CheckCertAddition(renewalParams, webAppEnvironment, acmeConfig, staging).ConfigureAwait(false);
if (addNewCert)
{
await manager.AddCertificate().ConfigureAwait(false);
}
else
{
await manager.RenewCertificate(false, renewalParams.RenewXNumberOfDaysBeforeExpiration).ConfigureAwait(false);
}
}
Trace.TraceInformation("Let's Encrypt SSL certs & bindings renewed for '{0}'", renewalParams.WebApp);
}
private static async Task RenewCore(RenewalParameters renewalParams)
{
Trace.TraceInformation("Generating SSL certificate with parameters: {0}", renewalParams);
Trace.TraceInformation("Generating secure PFX password for '{0}'...", renewalParams.WebApp);
var pfxPassData = new byte[32];
s_randomGenerator.GetBytes(pfxPassData);
Trace.TraceInformation(
"Adding SSL cert for '{0}{1}'...",
renewalParams.WebApp,
renewalParams.GroupName == null ? string.Empty : $"[{renewalParams.GroupName}]");
var certServiceSettings = new CertificateServiceSettings {
UseIPBasedSSL = renewalParams.UseIpBasedSsl
};
var azureWebAppEnvironment = new AzureWebAppEnvironment(
renewalParams.TenantId,
renewalParams.SubscriptionId,
renewalParams.ClientId,
renewalParams.ClientSecret,
renewalParams.ResourceGroup,
renewalParams.WebApp,
renewalParams.ServicePlanResourceGroup,
renewalParams.SiteSlotName)
{
AzureWebSitesDefaultDomainName = renewalParams.AzureDefaultWebsiteDomainName ?? DefaultWebsiteDomainName,
AuthenticationEndpoint = renewalParams.AuthenticationUri ?? new Uri(DefaultAuthenticationUri),
ManagementEndpoint = renewalParams.AzureManagementEndpoint ?? new Uri(DefaultManagementEndpoint),
TokenAudience = renewalParams.AzureTokenAudience ?? new Uri(DefaultAzureTokenAudienceService)
};
AzureWebAppEnvironment otherAzureWebAppEnvironment = null;
WebAppCertificateService otherWebAppCertificateService = null;
if (!string.IsNullOrEmpty(renewalParams.OtherWebAppResourceGroup) && !string.IsNullOrEmpty(renewalParams.OtherWebApp))
{
otherAzureWebAppEnvironment = new AzureWebAppEnvironment(
renewalParams.TenantId,
renewalParams.SubscriptionId,
renewalParams.ClientId,
renewalParams.ClientSecret,
renewalParams.OtherWebAppResourceGroup,
renewalParams.OtherWebApp,
renewalParams.ServicePlanResourceGroup,
renewalParams.OtherSlotName)
{
AzureWebSitesDefaultDomainName = renewalParams.AzureDefaultWebsiteDomainName ?? DefaultWebsiteDomainName,
AuthenticationEndpoint = renewalParams.AuthenticationUri ?? new Uri(DefaultAuthenticationUri),
ManagementEndpoint = renewalParams.AzureManagementEndpoint ?? new Uri(DefaultManagementEndpoint),
TokenAudience = renewalParams.AzureTokenAudience ?? new Uri(DefaultAzureTokenAudienceService)
};
otherWebAppCertificateService = new WebAppCertificateService(otherAzureWebAppEnvironment, certServiceSettings);
}
var azureStorageEnvironment = new AzureStorageEnvironment(
renewalParams.TenantId,
renewalParams.SubscriptionId,
renewalParams.ClientId,
renewalParams.ClientSecret,
renewalParams.ResourceGroup,
renewalParams.StorageConnectionString,
renewalParams.StorageContainer);
var webAppCertificateService = new WebAppCertificateService(azureWebAppEnvironment, certServiceSettings);
var manager = new CertificateManager(
azureWebAppEnvironment,
new AcmeConfig
{
Host = renewalParams.Hosts[0],
AlternateNames = renewalParams.Hosts.Skip(1).ToList(),
RegistrationEmail = renewalParams.Email,
RSAKeyLength = renewalParams.RsaKeyLength,
PFXPassword = Convert.ToBase64String(pfxPassData),
BaseUri = (renewalParams.AcmeBaseUri ?? new Uri(DefaultAcmeBaseUri)).ToString()
},
webAppCertificateService,
new AzureStorageFileSystemAuthorizationChallengeProvider(azureStorageEnvironment));
if (renewalParams.RenewXNumberOfDaysBeforeExpiration > 0)
{
await manager.RenewCertificate(false, renewalParams.RenewXNumberOfDaysBeforeExpiration);
}
else
{
var res = await manager.AddCertificate();
webAppCertificateService.RemoveExpired();
otherWebAppCertificateService?.Install(res);
otherWebAppCertificateService?.RemoveExpired();
}
Trace.TraceInformation("SSL cert added successfully to '{0}'", renewalParams.WebApp);
}
