Auto renewing certificatesg

This commit is contained in:
Zoe Roux 2020-04-05 20:42:08 +02:00
parent 539733f637
commit 2c0161bd9e
2 changed files with 43 additions and 20 deletions

View File

@ -7,11 +7,11 @@ using System.Threading.Tasks;
using IdentityServer4.Extensions;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Operators;
using Org.BouncyCastle.Crypto.Prng;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Pkcs;
using Org.BouncyCastle.Security;
@ -21,21 +21,45 @@ using X509Certificate = Org.BouncyCastle.X509.X509Certificate;
namespace Kyoo.Controllers
{
public class AuthManager
public static class AuthExtension
{
public const string CertificateFile = "certificate.pfx";
private const string CertificateFile = "certificate.pfx";
private const string OldCertificateFile = "oldCertificate.pfx";
public static X509Certificate2 GetSiginCredential(IConfiguration configuration)
public static IIdentityServerBuilder AddSigninKeys(this IIdentityServerBuilder builder, IConfiguration configuration)
{
X509Certificate2 certificate = GetSiginCredential(configuration);
builder.AddSigningCredential(certificate);
if (certificate.NotAfter.AddDays(7) <= DateTime.UtcNow)
{
Console.WriteLine("Signin certificate will expire soon, renewing it.");
File.Move(CertificateFile, OldCertificateFile);
builder.AddValidationKey(GenerateCertificate(CertificateFile, configuration.GetValue<string>("certificatePassword")));
}
else if (File.Exists(OldCertificateFile))
builder.AddValidationKey(GetExistingCredential(OldCertificateFile, configuration.GetValue<string>("certificatePassword")));
return builder;
}
private static X509Certificate2 GetSiginCredential(IConfiguration configuration)
{
if (File.Exists(CertificateFile))
return GetExistingCredential(CertificateFile, configuration.GetValue<string>("certificatePassword"));
return GenerateCertificate(CertificateFile, configuration.GetValue<string>("certificatePassword"));
}
private static X509Certificate2 GetExistingCredential(string file, string password)
{
return new X509Certificate2(CertificateFile, configuration.GetValue<string>("certificatePassword"),
return new X509Certificate2(file, password,
X509KeyStorageFlags.MachineKeySet |
X509KeyStorageFlags.PersistKeySet |
X509KeyStorageFlags.Exportable
);
}
private static X509Certificate2 GenerateCertificate(string file, string password)
{
SecureRandom random = new SecureRandom();
X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
@ -43,7 +67,7 @@ namespace Kyoo.Controllers
certificateGenerator.SetIssuerDN(new X509Name($"C=NL, O=SDG, CN=Kyoo"));
certificateGenerator.SetSubjectDN(new X509Name($"C=NL, O=SDG, CN=Kyoo"));
certificateGenerator.SetNotBefore(DateTime.UtcNow.Date);
certificateGenerator.SetNotAfter(DateTime.UtcNow.Date.AddYears(1));
certificateGenerator.SetNotAfter(DateTime.UtcNow.Date.AddMonths(3));
KeyGenerationParameters keyGenerationParameters = new KeyGenerationParameters(random, 2048);
RsaKeyPairGenerator keyPairGenerator = new RsaKeyPairGenerator();
@ -53,21 +77,20 @@ namespace Kyoo.Controllers
certificateGenerator.SetPublicKey(subjectKeyPair.Public);
AsymmetricCipherKeyPair issuerKeyPair = subjectKeyPair;
const string signatureAlgorithm = "SHA256WithRSA";
Asn1SignatureFactory signatureFactory = new Asn1SignatureFactory(signatureAlgorithm,issuerKeyPair.Private);
const string signatureAlgorithm = "MD5WithRSA";
Asn1SignatureFactory signatureFactory = new Asn1SignatureFactory(signatureAlgorithm, issuerKeyPair.Private);
X509Certificate bouncyCert = certificateGenerator.Generate(signatureFactory);
X509Certificate2 certificate;
Pkcs12Store store = new Pkcs12StoreBuilder().Build();
store.SetKeyEntry("Kyoo_key", new AsymmetricKeyEntry(subjectKeyPair.Private), new [] {new X509CertificateEntry(bouncyCert)});
string pass = configuration.GetValue<string>("certificatePassword"); //Guid.NewGuid().ToString("x");
using (MemoryStream pfxStream = new MemoryStream())
{
store.Save(pfxStream, pass.ToCharArray(), random);
certificate = new X509Certificate2(pfxStream.ToArray(), pass, X509KeyStorageFlags.Exportable);
using (FileStream fileStream = File.OpenWrite(CertificateFile))
store.Save(pfxStream, password.ToCharArray(), random);
certificate = new X509Certificate2(pfxStream.ToArray(), password, X509KeyStorageFlags.Exportable);
using FileStream fileStream = File.OpenWrite(file);
pfxStream.WriteTo(fileStream);
}
return certificate;

View File

@ -77,7 +77,7 @@ namespace Kyoo
.AddInMemoryIdentityResources(IdentityContext.GetIdentityResources())
.AddInMemoryApiResources(IdentityContext.GetApis())
.AddProfileService<AccountController>()
.AddSigningCredential(AuthManager.GetSiginCredential(Configuration));
.AddSigninKeys(Configuration);
services.AddAuthentication()
.AddJwtBearer(options =>