jellyfin-server/MediaBrowser.Server.Implementations/HttpServer/Security/AuthService.cs

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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Connect;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
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using MediaBrowser.Controller.Security;
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using MediaBrowser.Controller.Session;
using System;
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using System.Collections.Generic;
using System.Linq;
namespace MediaBrowser.Server.Implementations.HttpServer.Security
{
public class AuthService : IAuthService
{
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private readonly IServerConfigurationManager _config;
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public AuthService(IUserManager userManager, IAuthorizationContext authorizationContext, IServerConfigurationManager config, IConnectManager connectManager, ISessionManager sessionManager)
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{
AuthorizationContext = authorizationContext;
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_config = config;
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SessionManager = sessionManager;
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ConnectManager = connectManager;
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UserManager = userManager;
}
public IUserManager UserManager { get; private set; }
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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/// <summary>
/// Redirect the client to a specific URL if authentication failed.
/// If this property is null, simply `401 Unauthorized` is returned.
/// </summary>
public string HtmlRedirect { get; set; }
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public void Authenticate(IServiceRequest request,
IAuthenticationAttributes authAttribtues)
{
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ValidateUser(request, authAttribtues);
}
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private void ValidateUser(IServiceRequest request,
IAuthenticationAttributes authAttribtues)
{
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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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{
var valid = IsValidConnectKey(auth.Token);
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if (!valid)
{
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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)
? null
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: UserManager.GetUserById(auth.UserId);
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if (user == null & !string.IsNullOrWhiteSpace(auth.UserId))
{
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throw new SecurityException("User with Id " + auth.UserId + " not found");
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}
if (user != null)
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{
if (user.Configuration.IsDisabled)
{
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throw new SecurityException("User account has been disabled.")
{
SecurityExceptionType = SecurityExceptionType.Unauthenticated
};
}
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if (!user.Configuration.IsAdministrator &&
!authAttribtues.EscapeParentalControl &&
!user.IsParentalScheduleAllowed())
{
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request.AddResponseHeader("X-Application-Error-Code", "ParentalControl");
throw new SecurityException("This user account is not allowed access at this time.")
{
SecurityExceptionType = SecurityExceptionType.ParentalControl
};
}
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}
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if (!IsExemptFromRoles(auth, authAttribtues))
{
var roles = authAttribtues.GetRoles().ToList();
ValidateRoles(roles, user);
}
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if (!string.IsNullOrWhiteSpace(auth.DeviceId) &&
!string.IsNullOrWhiteSpace(auth.Client) &&
!string.IsNullOrWhiteSpace(auth.Device))
{
SessionManager.LogSessionActivity(auth.Client,
auth.Version,
auth.DeviceId,
auth.Device,
request.RemoteIp,
user);
}
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}
private bool IsExemptFromAuthenticationToken(AuthorizationInfo auth, IAuthenticationAttributes authAttribtues)
{
if (!_config.Configuration.IsStartupWizardCompleted &&
authAttribtues.AllowBeforeStartupWizard)
{
return true;
}
return _config.Configuration.InsecureApps7.Contains(auth.Client ?? string.Empty,
StringComparer.OrdinalIgnoreCase);
}
private bool IsExemptFromRoles(AuthorizationInfo auth, IAuthenticationAttributes authAttribtues)
{
if (!_config.Configuration.IsStartupWizardCompleted &&
authAttribtues.AllowBeforeStartupWizard)
{
return true;
}
return false;
}
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private void ValidateRoles(List<string> roles, User user)
{
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if (roles.Contains("admin", StringComparer.OrdinalIgnoreCase))
{
if (user == null || !user.Configuration.IsAdministrator)
{
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throw new SecurityException("User does not have admin access.")
{
SecurityExceptionType = SecurityExceptionType.Unauthenticated
};
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}
}
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if (roles.Contains("delete", StringComparer.OrdinalIgnoreCase))
{
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if (user == null || !user.Configuration.EnableContentDeletion)
{
throw new SecurityException("User does not have delete access.")
{
SecurityExceptionType = SecurityExceptionType.Unauthenticated
};
}
}
}
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private bool IsValidConnectKey(string token)
{
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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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if (string.IsNullOrWhiteSpace(token))
{
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throw new SecurityException("Access token is invalid or expired.");
}
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var info = (AuthenticationInfo)request.Items["OriginalAuthenticationInfo"];
if (info == null)
{
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throw new SecurityException("Access token is invalid or expired.");
}
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if (!info.IsActive)
{
throw new SecurityException("Access token has expired.");
}
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//if (!string.IsNullOrWhiteSpace(info.UserId))
//{
// var user = _userManager.GetUserById(info.UserId);
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// if (user == null || user.Configuration.IsDisabled)
// {
// throw new SecurityException("User account has been disabled.");
// }
//}
}
}
}