#nullable enable
using System.Globalization;
using System.Security.Authentication;
using System.Security.Claims;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
using Jellyfin.Api.Constants;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller.Net;
using Microsoft.AspNetCore.Authentication;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
namespace Jellyfin.Api.Auth
{
///
/// Custom authentication handler wrapping the legacy authentication.
///
public class CustomAuthenticationHandler : AuthenticationHandler
{
private readonly IAuthService _authService;
///
/// Initializes a new instance of the class.
///
/// The jellyfin authentication service.
/// Options monitor.
/// The logger.
/// The url encoder.
/// The system clock.
public CustomAuthenticationHandler(
IAuthService authService,
IOptionsMonitor options,
ILoggerFactory logger,
UrlEncoder encoder,
ISystemClock clock) : base(options, logger, encoder, clock)
{
_authService = authService;
}
///
protected override Task HandleAuthenticateAsync()
{
try
{
var authorizationInfo = _authService.Authenticate(Request);
if (authorizationInfo == null)
{
return Task.FromResult(AuthenticateResult.NoResult());
// TODO return when legacy API is removed.
// Don't spam the log with "Invalid User"
// return Task.FromResult(AuthenticateResult.Fail("Invalid user"));
}
var claims = new[]
{
new Claim(ClaimTypes.Name, authorizationInfo.User.Username),
new Claim(ClaimTypes.Role, value: authorizationInfo.User.HasPermission(PermissionKind.IsAdministrator) ? UserRoles.Administrator : UserRoles.User),
new Claim(InternalClaimTypes.UserId, authorizationInfo.UserId.ToString("N", CultureInfo.InvariantCulture)),
new Claim(InternalClaimTypes.DeviceId, authorizationInfo.DeviceId),
new Claim(InternalClaimTypes.Device, authorizationInfo.Device),
new Claim(InternalClaimTypes.Client, authorizationInfo.Client),
new Claim(InternalClaimTypes.Version, authorizationInfo.Version),
new Claim(InternalClaimTypes.Token, authorizationInfo.Token)
};
var identity = new ClaimsIdentity(claims, Scheme.Name);
var principal = new ClaimsPrincipal(identity);
var ticket = new AuthenticationTicket(principal, Scheme.Name);
return Task.FromResult(AuthenticateResult.Success(ticket));
}
catch (AuthenticationException ex)
{
return Task.FromResult(AuthenticateResult.Fail(ex));
}
catch (SecurityException ex)
{
return Task.FromResult(AuthenticateResult.Fail(ex));
}
}
}
}