public async Task CreateAsync(AuthenticationTokenCreateContext context)
{
var refreshTokenId = Guid.NewGuid().ToString("n");
using (AuthRepository _repo = new AuthRepository())
{
var token = new RefreshToken()
{
Id = refreshTokenId.GetHash(),
Subject = context.Ticket.Identity.Name,
IssuedUtc = DateTime.UtcNow,
ExpiresUtc = DateTime.UtcNow.AddMinutes(30)
};
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);
}
}
}
public async Task<bool> AddRefreshToken(RefreshToken token)
{
var existingToken = _ctx.RefreshTokens.SingleOrDefault(r => r.Subject == token.Subject);
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;
}