mirror of
https://github.com/jellyfin/jellyfin.git
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220 lines
7.7 KiB
C#
220 lines
7.7 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Connect;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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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 System;
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using System.Collections.Generic;
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using System.Linq;
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namespace MediaBrowser.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 IServerConfigurationManager _config;
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public AuthService(IUserManager userManager, IAuthorizationContext authorizationContext, IServerConfigurationManager config, IConnectManager connectManager, ISessionManager sessionManager, IDeviceManager deviceManager)
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{
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AuthorizationContext = authorizationContext;
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_config = config;
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DeviceManager = deviceManager;
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SessionManager = sessionManager;
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ConnectManager = connectManager;
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UserManager = userManager;
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}
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public IUserManager UserManager { get; private set; }
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public IAuthorizationContext AuthorizationContext { get; private set; }
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public IConnectManager ConnectManager { get; private set; }
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public ISessionManager SessionManager { get; private set; }
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public IDeviceManager DeviceManager { get; private set; }
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/// <summary>
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/// Redirect the client to a specific URL if authentication failed.
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/// If this property is null, simply `401 Unauthorized` is returned.
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/// </summary>
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public string HtmlRedirect { get; set; }
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public void Authenticate(IServiceRequest request,
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IAuthenticationAttributes authAttribtues)
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{
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ValidateUser(request, authAttribtues);
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}
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private void ValidateUser(IServiceRequest request,
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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(auth, authAttribtues))
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{
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var valid = IsValidConnectKey(auth.Token);
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if (!valid)
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{
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ValidateSecurityToken(request, auth.Token);
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}
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}
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var user = string.IsNullOrWhiteSpace(auth.UserId)
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? null
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: UserManager.GetUserById(auth.UserId);
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if (user == null & !string.IsNullOrWhiteSpace(auth.UserId))
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{
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throw new SecurityException("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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if (!IsExemptFromRoles(auth, authAttribtues))
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{
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var roles = authAttribtues.GetRoles().ToList();
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ValidateRoles(roles, user);
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}
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if (!string.IsNullOrWhiteSpace(auth.DeviceId) &&
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!string.IsNullOrWhiteSpace(auth.Client) &&
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!string.IsNullOrWhiteSpace(auth.Device))
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{
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SessionManager.LogSessionActivity(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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}
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private void ValidateUserAccess(User user, IServiceRequest request,
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IAuthenticationAttributes authAttribtues,
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AuthorizationInfo auth)
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{
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if (user.Policy.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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SecurityExceptionType = SecurityExceptionType.Unauthenticated
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};
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}
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if (!user.Policy.IsAdministrator &&
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!authAttribtues.EscapeParentalControl &&
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!user.IsParentalScheduleAllowed())
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{
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request.AddResponseHeader("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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SecurityExceptionType = SecurityExceptionType.ParentalControl
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};
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}
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if (!string.IsNullOrWhiteSpace(auth.DeviceId))
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{
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if (!DeviceManager.CanAccessDevice(user.Id.ToString("N"), auth.DeviceId))
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{
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throw new SecurityException("User is not allowed access from this device.")
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{
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SecurityExceptionType = SecurityExceptionType.ParentalControl
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};
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}
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}
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}
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private bool IsExemptFromAuthenticationToken(AuthorizationInfo auth, IAuthenticationAttributes authAttribtues)
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{
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if (!_config.Configuration.IsStartupWizardCompleted &&
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authAttribtues.AllowBeforeStartupWizard)
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{
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return true;
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}
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return _config.Configuration.InsecureApps8.Contains(auth.Client ?? string.Empty,
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StringComparer.OrdinalIgnoreCase);
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}
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private bool IsExemptFromRoles(AuthorizationInfo auth, IAuthenticationAttributes authAttribtues)
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{
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if (!_config.Configuration.IsStartupWizardCompleted &&
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authAttribtues.AllowBeforeStartupWizard)
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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 void ValidateRoles(List<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.Policy.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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SecurityExceptionType = SecurityExceptionType.Unauthenticated
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};
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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.Policy.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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SecurityExceptionType = SecurityExceptionType.Unauthenticated
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};
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}
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}
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}
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private bool IsValidConnectKey(string token)
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{
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if (string.IsNullOrEmpty(token))
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{
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return false;
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}
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return ConnectManager.IsAuthorizationTokenValid(token);
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}
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private void ValidateSecurityToken(IServiceRequest request, string token)
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{
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if (string.IsNullOrWhiteSpace(token))
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{
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throw new SecurityException("Access token is invalid or expired.");
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}
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var info = (AuthenticationInfo)request.Items["OriginalAuthenticationInfo"];
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if (info == null)
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{
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throw new SecurityException("Access token is invalid or expired.");
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}
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if (!info.IsActive)
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{
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throw new SecurityException("Access token has expired.");
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}
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//if (!string.IsNullOrWhiteSpace(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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