private static void HandleLetsEncryptRequest(IApplicationBuilder app)
{
app.Run(async context =>
{
var path = context.Request.Path.Value;
var token = path.Substring(WellKnownAcmeChallengePathPrefix.Length);
var key = AcmeChallengeTokensStorage.GetTokenKey(token);
Console.Out.WriteLine(context.Request.Path + " :: " + key);
await context.Response.WriteAsync(key);
});
}
private static async Task CreateCertificate(string domain, string email, bool staging)
{
Console.Out.WriteLine("[LetsEncrypt] Logging in");
var server = staging ? WellKnownServers.LetsEncryptStagingV2 : WellKnownServers.LetsEncryptV2;
var(acme, account) = await GetAccount(email, server);
Console.Out.WriteLine("[LetsEncrypt] Logged in");
try
{
var orderCtx = await GetOrCreateOrder(acme, account, domain);
var authz = (await orderCtx.Authorizations()).First();
Console.Out.WriteLine("[LetsEncrypt] Authorizations passed");
var httpChallenge = await authz.Http();
Console.Out.WriteLine("[LetsEncrypt] http challenge ok");
var token = httpChallenge.Token;
var keyAuthz = httpChallenge.KeyAuthz;
AcmeChallengeTokensStorage.AddToken(token, keyAuthz);
Console.Out.WriteLine("[LetsEncrypt] Validating token");
await Task.Delay(5000);
var challenge = await httpChallenge.Validate();
while (challenge.Status != ChallengeStatus.Valid)
{
Console.Out.WriteLine("[LetsEncrypt] Re-validating token");
await Task.Delay(1000);
challenge = await httpChallenge.Validate();
}
Console.Out.WriteLine("[LetsEncrypt] Token valid");
var privateKey = KeyFactory.NewKey(KeyAlgorithm.ES256);
Console.Out.WriteLine("[LetsEncrypt] Creating Csr");
var certificationRequestBuilder = await orderCtx.CreateCsr(privateKey);
Console.Out.WriteLine("[LetsEncrypt] Finalizing order");
var order = await orderCtx.Finalize(certificationRequestBuilder.Generate());
Console.Out.WriteLine("[LetsEncrypt] order.Status = " + order.Status);
Console.Out.WriteLine("[LetsEncrypt] Downloading Certificate Chain");
var certificateChain = await orderCtx.Download();
Console.Out.WriteLine("[LetsEncrypt] Saving the Certificate");
var certPfx = certificateChain.ToPfx(privateKey);
var password = "";
var certData = certPfx.Build(domain, password);
_activeCertificate = new X509Certificate2(certData, password);
SaveCertificate(_activeCertificate, staging);
Console.Out.WriteLine("[LetsEncrypt] Certificate saved");
}
catch (Exception e)
{
Console.Out.WriteLine(e);
}
}