/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public async Task ReceiveAsync(AuthenticationTokenReceiveContext context)
{
var allowedOrigin = context.OwinContext.Get<string>("as:clientAllowedOrigin");
context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { allowedOrigin });
var hashedTokenId = Helper.GetHash(context.Token);
using (var repo = new AuthRepository())
{
var refreshToken = await repo.FindRefreshToken(hashedTokenId);
if (refreshToken != null)
{
//Get protectedTicket from refreshToken class
context.DeserializeTicket(refreshToken.ProtectedTicket);
await repo.RemoveRefreshToken(hashedTokenId);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public async Task CreateAsync(AuthenticationTokenCreateContext context)
{
var clientid = context.Ticket.Properties.Dictionary["as:client_id"];
if (string.IsNullOrEmpty(clientid))
{
return;
}
var refreshTokenId = Guid.NewGuid().ToString("n");
using (var repo = new AuthRepository())
{
var refreshTokenLifeTime = context.OwinContext.Get<string>("as:clientRefreshTokenLifeTime");
var token = new RefreshToken()
{
Id = Helper.GetHash(refreshTokenId),
ClientId = clientid,
Subject = context.Ticket.Identity.Name,
IssuedUtc = DateTime.UtcNow,
ExpiresUtc = DateTime.UtcNow.AddMinutes(Convert.ToDouble(refreshTokenLifeTime))
};
context.Ticket.Properties.IssuedUtc = token.IssuedUtc;
context.Ticket.Properties.ExpiresUtc = token.ExpiresUtc;
token.ProtectedTicket = context.SerializeTicket();
var result = await repo.AddRefreshToken(token);
if (result)
{
context.SetToken(refreshTokenId);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override Task ValidateClientAuthentication(OAuthValidateClientAuthenticationContext context)
{
string clientId;
string clientSecret;
Client client;
if (!context.TryGetBasicCredentials(out clientId, out clientSecret))
{
context.TryGetFormCredentials(out clientId, out clientSecret);
}
if (context.ClientId == null)
{
//Remove the comments from the below line context.SetError, and invalidate context
//if you want to force sending clientId/secrects once obtain access tokens.
context.Validated();
//context.SetError("invalid_clientId", "ClientId should be sent.");
return Task.FromResult<object>(null);
}
using (var repo = new AuthRepository())
{
client = repo.FindClient(context.ClientId);
}
if (client == null)
{
context.SetError("invalid_clientId",
string.Format("Client '{0}' is not registered in the system.", context.ClientId));
return Task.FromResult<object>(null);
}
if (client.ApplicationTypeId == (int)FanSelector.Models.Enum.ApplicationTypes.NativeConfidential)
{
if (string.IsNullOrWhiteSpace(clientSecret))
{
context.SetError("invalid_clientId", "Client secret should be sent.");
return Task.FromResult<object>(null);
}
else
{
if (client.Secret != Helper.GetHash(clientSecret))
{
context.SetError("invalid_clientId", "Client secret is invalid.");
return Task.FromResult<object>(null);
}
}
}
if (!client.IsActive.GetValueOrDefault())
{
context.SetError("invalid_clientId", "Client is inactive.");
return Task.FromResult<object>(null);
}
context.OwinContext.Set("as:clientAllowedOrigin", client.AllowedOrigin);
context.OwinContext.Set("as:clientRefreshTokenLifeTime", client.RefreshTokenLifeTime.ToString());
context.Validated();
return Task.FromResult<object>(null);
}
