private static LightOpenID InitializeOpenID(IOwinContext request)
{
var openID = new LightOpenID(request.Request);
openID.Realm = new Uri(request.Request.Uri.GetComponents(UriComponents.SchemeAndServer, UriFormat.Unescaped));
openID.ReturnUrl = new Uri(openID.Realm, "/login/landing");
return(openID);
}
public async Task HandleRequestAsync(IOwinContext request)
{
LightOpenID openID = InitializeOpenID(request);
switch (request.Request.Uri.AbsolutePath)
{
case "/login":
await AuthenticationRedirect(request, openID);
break;
case "/login/landing":
await HandleLanding(request, openID);
break;
}
}
private async Task HandleLanding(IOwinContext request, LightOpenID openID)
{
bool valid = await openID.Validate();
if (!valid)
{
request.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await request.Response.WriteAsync(FailureMessage);
return;
}
if (openID.ClaimedID == null || !openID.ClaimedID.StartsWith(SteamClaimNamespace))
{
request.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await request.Response.WriteAsync(FailureMessage);
return;
}
long steamID64;
if (!long.TryParse(openID.ClaimedID.Substring(SteamClaimNamespace.Length), out steamID64))
{
request.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await request.Response.WriteAsync(FailureMessage);
return;
}
var steamID = new SteamID(steamID64);
if (!steamID.IsValid())
{
request.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await request.Response.WriteAsync(FailureMessage);
return;
}
await HandleValidLogin(request, steamID);
}
private static async Task AuthenticationRedirect(IOwinContext request, LightOpenID openID)
{
string s = await openID.GetAuthUrl("http://steamcommunity.com/openid/");
request.Response.Redirect(s);
}