mirror of
https://github.com/jellyfin/jellyfin.git
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256 lines
8.3 KiB
C#
256 lines
8.3 KiB
C#
#pragma warning disable CS1591
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using System;
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using System.Linq;
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using Emby.Server.Implementations.SocketSharp;
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using Jellyfin.Data.Entities;
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using Jellyfin.Data.Enums;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Authentication;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Controller.Security;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.Services;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.HttpServer.Security
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{
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public class AuthService : IAuthService
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{
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private readonly ILogger<AuthService> _logger;
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private readonly IAuthorizationContext _authorizationContext;
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private readonly ISessionManager _sessionManager;
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private readonly IServerConfigurationManager _config;
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private readonly INetworkManager _networkManager;
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public AuthService(
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ILogger<AuthService> logger,
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IAuthorizationContext authorizationContext,
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IServerConfigurationManager config,
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ISessionManager sessionManager,
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INetworkManager networkManager)
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{
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_logger = logger;
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_authorizationContext = authorizationContext;
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_config = config;
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_sessionManager = sessionManager;
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_networkManager = networkManager;
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}
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public void Authenticate(IRequest request, IAuthenticationAttributes authAttribtues)
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{
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ValidateUser(request, authAttribtues);
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}
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public User Authenticate(HttpRequest request, IAuthenticationAttributes authAttributes)
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{
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var req = new WebSocketSharpRequest(request, null, request.Path);
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var user = ValidateUser(req, authAttributes);
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return user;
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}
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public AuthorizationInfo Authenticate(HttpRequest request)
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{
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var auth = _authorizationContext.GetAuthorizationInfo(request);
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if (auth?.User == null)
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{
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return null;
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}
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if (auth.User.HasPermission(PermissionKind.IsDisabled))
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{
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throw new SecurityException("User account has been disabled.");
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}
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return auth;
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}
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private User ValidateUser(IRequest request, IAuthenticationAttributes authAttribtues)
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{
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// This code is executed before the service
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var auth = _authorizationContext.GetAuthorizationInfo(request);
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if (!IsExemptFromAuthenticationToken(authAttribtues, request))
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{
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ValidateSecurityToken(request, auth.Token);
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}
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if (authAttribtues.AllowLocalOnly && !request.IsLocal)
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{
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throw new SecurityException("Operation not found.");
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}
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var user = auth.User;
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if (user == null && auth.UserId != Guid.Empty)
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{
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throw new AuthenticationException("User with Id " + auth.UserId + " not found");
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}
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if (user != null)
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{
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ValidateUserAccess(user, request, authAttribtues, auth);
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}
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var info = GetTokenInfo(request);
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if (!IsExemptFromRoles(auth, authAttribtues, request, info))
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{
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var roles = authAttribtues.GetRoles();
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ValidateRoles(roles, user);
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}
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if (!string.IsNullOrEmpty(auth.DeviceId) &&
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!string.IsNullOrEmpty(auth.Client) &&
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!string.IsNullOrEmpty(auth.Device))
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{
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_sessionManager.LogSessionActivity(
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auth.Client,
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auth.Version,
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auth.DeviceId,
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auth.Device,
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request.RemoteIp,
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user);
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}
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return user;
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}
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private void ValidateUserAccess(
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User user,
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IRequest request,
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IAuthenticationAttributes authAttributes,
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AuthorizationInfo auth)
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{
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if (user.HasPermission(PermissionKind.IsDisabled))
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{
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throw new SecurityException("User account has been disabled.");
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}
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if (!user.HasPermission(PermissionKind.EnableRemoteAccess) && !_networkManager.IsInLocalNetwork(request.RemoteIp))
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{
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throw new SecurityException("User account has been disabled.");
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}
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if (!user.HasPermission(PermissionKind.IsAdministrator)
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&& !authAttributes.EscapeParentalControl
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&& !user.IsParentalScheduleAllowed())
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{
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request.Response.Headers.Add("X-Application-Error-Code", "ParentalControl");
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throw new SecurityException("This user account is not allowed access at this time.");
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}
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}
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private bool IsExemptFromAuthenticationToken(IAuthenticationAttributes authAttribtues, IRequest request)
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{
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if (!_config.Configuration.IsStartupWizardCompleted && authAttribtues.AllowBeforeStartupWizard)
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{
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return true;
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}
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if (authAttribtues.AllowLocal && request.IsLocal)
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{
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return true;
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}
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if (authAttribtues.AllowLocalOnly && request.IsLocal)
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{
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return true;
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}
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return false;
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}
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private bool IsExemptFromRoles(AuthorizationInfo auth, IAuthenticationAttributes authAttribtues, IRequest request, AuthenticationInfo tokenInfo)
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{
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if (!_config.Configuration.IsStartupWizardCompleted && authAttribtues.AllowBeforeStartupWizard)
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{
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return true;
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}
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if (authAttribtues.AllowLocal && request.IsLocal)
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{
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return true;
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}
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if (authAttribtues.AllowLocalOnly && request.IsLocal)
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{
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return true;
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}
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if (string.IsNullOrEmpty(auth.Token))
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{
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return true;
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}
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if (tokenInfo != null && tokenInfo.UserId.Equals(Guid.Empty))
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{
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return true;
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}
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return false;
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}
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private static void ValidateRoles(string[] roles, User user)
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{
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if (roles.Contains("admin", StringComparer.OrdinalIgnoreCase))
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{
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if (user == null || !user.HasPermission(PermissionKind.IsAdministrator))
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{
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throw new SecurityException("User does not have admin access.");
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}
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}
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if (roles.Contains("delete", StringComparer.OrdinalIgnoreCase))
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{
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if (user == null || !user.HasPermission(PermissionKind.EnableContentDeletion))
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{
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throw new SecurityException("User does not have delete access.");
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}
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}
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if (roles.Contains("download", StringComparer.OrdinalIgnoreCase))
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{
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if (user == null || !user.HasPermission(PermissionKind.EnableContentDownloading))
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{
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throw new SecurityException("User does not have download access.");
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}
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}
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}
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private static AuthenticationInfo GetTokenInfo(IRequest request)
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{
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request.Items.TryGetValue("OriginalAuthenticationInfo", out var info);
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return info as AuthenticationInfo;
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}
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private void ValidateSecurityToken(IRequest request, string token)
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{
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if (string.IsNullOrEmpty(token))
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{
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throw new AuthenticationException("Access token is required.");
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}
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var info = GetTokenInfo(request);
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if (info == null)
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{
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throw new AuthenticationException("Access token is invalid or expired.");
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}
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// if (!string.IsNullOrEmpty(info.UserId))
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//{
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// var user = _userManager.GetUserById(info.UserId);
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// if (user == null || user.Configuration.IsDisabled)
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// {
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// throw new SecurityException("User account has been disabled.");
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// }
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//}
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}
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}
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}
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