public override async Task CreateAsync(AuthenticationTokenCreateContext context)
{
var guid = Guid.NewGuid().ToString();
var clientid = context.OwinContext.Get<string>("tm:client_id");
var refreshTokenLifeTime = context.OwinContext.Get<string>("tm:clientRefreshTokenLifeTime");
var token = new RefreshToken()
{
ID = HashingService.MakeHash(guid),
client_id = clientid,
username = context.Ticket.Identity.Name,
issued = DateTime.UtcNow,
expired = DateTime.UtcNow.AddMinutes(Convert.ToDouble(refreshTokenLifeTime))
};
context.Ticket.Properties.IssuedUtc = token.issued;
context.Ticket.Properties.ExpiresUtc = token.expired;
token.ProtectedTicket = context.SerializeTicket();
RefreshTokenService rts = new RefreshTokenService();
var result = await rts.AddRefreshToken(token);
if (result)
{
context.SetToken(guid);
}
}
public async Task<bool> AddRefreshToken(RefreshToken token)
{
var existingToken = _ctx.RefreshTokens.Where(r => r.username == token.username && r.client_id == token.client_id).SingleOrDefault();
if (existingToken != null)
{
var result = await RemoveRefreshToken(existingToken);
}
_ctx.RefreshTokens.Add(token);
return await _ctx.SaveChangesAsync() > 0;
}
public async Task<bool> RemoveRefreshToken(RefreshToken refreshToken)
{
_ctx.RefreshTokens.Remove(refreshToken);
return await _ctx.SaveChangesAsync() > 0;
}