} // ctor
#endregion
#region -- Load/Save ------------------------------------------------------
public void Load()
{
if (!File.Exists(fileName))
{
return;
}
var xDoc = XDocument.Load(fileName);
state = xDoc.Root.GetAttribute("v", AcmeState.Installed);
accountKey = xDoc.Root.GetNode("account", null);
switch (state)
{
case AcmeState.Pending:
orderUri = new Uri(xDoc.Root.GetNode("order", null), UriKind.Absolute);
token = xDoc.Root.GetNode("token", null);
keyAuthz = xDoc.Root.GetNode("authz", null);
pfxContent = null;
break;
case AcmeState.Installed:
case AcmeState.Issued:
var pfxString = xDoc.Root.GetNode("pfx", null);
pfxContent = pfxString == null ? null : Convert.FromBase64String(pfxString);
orderUri = null;
token = null;
keyAuthz = null;
break;
}
} // proc Load
} // func GetAccountStateAsync
#endregion
#region -- Order ----------------------------------------------------------
public async Task NewOrderAsync()
{
var acme = CreateAcme();
// place new order
var newOrder = await acme.NewOrder(new string[] { commonName });
// get token
var authz = (await newOrder.Authorizations()).First();
var http = await authz.Http();
// save request
orderUri = newOrder.Location;
token = http.Token;
keyAuthz = http.KeyAuthz;
pfxContent = null;
// change state
state = AcmeState.Pending;
await SaveAsync();
} // func NewOrderAsync
} // func GetChallengeStateAsync
#endregion
#region -- Generate -------------------------------------------------------
public async Task <byte[]> GenerateKeyAsync(string pfxPassword = null)
{
if (orderUri == null)
{
return(null);
}
var acme = CreateAcme();
var order = acme.Order(orderUri);
// check state
var status = await GetChallengeStateAsync(order);
if (status != ChallengeStatus.Valid)
{
return(null);
}
// generate key
var newPrivateKey = KeyFactory.NewKey(KeyAlgorithm.ES256);
var certififcateChain = await order.Generate(new CsrInfo()
{
CommonName = commonName
}, newPrivateKey);
var pfxBuilder = certififcateChain.ToPfx(newPrivateKey);
// clear challenge
orderUri = null;
token = null;
keyAuthz = null;
// mark issued
pfxContent = pfxBuilder.Build(commonName, pfxPassword ?? String.Empty);
state = AcmeState.Issued;
await SaveAsync();
return(pfxContent);
} // func GenerateKeyAsync
public Task SetValidAsync()
{
// set state
state = AcmeState.Installed;
return(SaveAsync());
} // func SetValidAsync