public async Task<bool> AddRefreshToken(RefreshToken token)
{
var existingToken = await _db.RefreshTokens.Where(r => r.Subject == token.Subject && r.ClientId == token.ClientId).FirstOrDefaultAsync();
if (existingToken != null)
{
await RemoveRefreshToken(existingToken);
}
_db.RefreshTokens.Add(token);
try
{
return await _db.SaveChangesAsync() > 0;
}
catch (Exception ex)
{
throw;
}
}
/// <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);
}
}
}
public async Task<bool> RemoveRefreshToken(RefreshToken refreshToken)
{
_db.RefreshTokens.Remove(refreshToken);
return await _db.SaveChangesAsync() > 0;
}
public async Task<RefreshToken> GenerateRefreshToken(RefreshToken token)
{
return await _db.RefreshTokens.Where(r => r.Subject == token.Subject && r.ClientId == token.ClientId).FirstOrDefaultAsync();
}
