public async Task SaveAsync()
{
var entries = _dbContext.ChangeTracker
.Entries()
.Where(e => e.Entity is Entity && (
e.State == EntityState.Added ||
e.State == EntityState.Modified));
foreach (var entityEntry in entries)
{
((Entity)entityEntry.Entity).UpdatedDate = DateTime.Now;
if (entityEntry.State == EntityState.Added)
{
((Entity)entityEntry.Entity).CreatedDate = DateTime.Now;
}
}
await _dbContext.SaveChangesAsync();
}
// TODO: Refactor to not show explicit messages
public async Task <AuthenticationResult> RefreshTokenAsync(string token, string refreshToken)
{
var validatedToken = GetPrincipalFromToken(token);
if (validatedToken == null)
{
return(new AuthenticationResult {
Errors = new[] { "Invalid Token" }
});
}
var expiryDateUnix =
long.Parse(validatedToken.Claims.Single(x => x.Type == JwtRegisteredClaimNames.Exp).Value);
var expiryDateTimeUtc = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)
.AddSeconds(expiryDateUnix);
if (expiryDateTimeUtc > DateTime.UtcNow)
{
return(new AuthenticationResult {
Errors = new[] { "This token hasn't expired yet" }
});
}
var jti = validatedToken.Claims.Single(x => x.Type == JwtRegisteredClaimNames.Jti).Value;
var storedRefreshToken = await _dbContext.RefreshTokens.SingleOrDefaultAsync(x => x.Token == refreshToken);
if (storedRefreshToken == null)
{
return(new AuthenticationResult {
Errors = new[] { "This refresh token does not exist" }
});
}
if (DateTime.UtcNow > storedRefreshToken.ExpiryDate)
{
return(new AuthenticationResult {
Errors = new[] { "This refresh token has expired" }
});
}
if (storedRefreshToken.Invalidated)
{
return(new AuthenticationResult {
Errors = new[] { "This refresh token is invalidated" }
});
}
if (storedRefreshToken.Used)
{
return(new AuthenticationResult {
Errors = new[] { "This refresh token has been used" }
});
}
if (storedRefreshToken.JwtId != jti)
{
return(new AuthenticationResult {
Errors = new[] { "This refresh token does not match this JWT" }
});
}
storedRefreshToken.Used = true;
_dbContext.RefreshTokens.Update(storedRefreshToken);
await _dbContext.SaveChangesAsync();
var user = await _userManager.FindByIdAsync(validatedToken.Claims.Single(x => x.Type == "id").Value);
return(await GenerateAuthenticationResultForUserAsync(user));
}
