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Merge pull request #1149 from LogicalPhallacy/ImprovedPasswordReset

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Adds per user password reset
This commit is contained in:
Joshua M. Boniface 2019-03-29 18:26:30 -04:00 committed by GitHub
parent d9e7883fb5 13e94a8b1b
commit 72dd609109
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 232 additions and 127 deletions
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2
Emby.Server.Implementations/ApplicationHost.cs
View file

@ -1124,7 +1124,7 @@ namespace Emby.Server.Implementations
MediaSourceManager.AddParts(GetExports<IMediaSourceProvider>());
NotificationManager.AddParts(GetExports<INotificationService>(), GetExports<INotificationTypeFactory>());
UserManager.AddParts(GetExports<IAuthenticationProvider>());
UserManager.AddParts(GetExports<IAuthenticationProvider>(), GetExports<IPasswordResetProvider>());
IsoManager.AddParts(GetExports<IIsoMounter>());
}

132
Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs Normal file
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@ -0,0 +1,132 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Authentication;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Cryptography;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Users;
namespace Emby.Server.Implementations.Library
{
public class DefaultPasswordResetProvider : IPasswordResetProvider
{
public string Name => "Default Password Reset Provider";
public bool IsEnabled => true;
private readonly string _passwordResetFileBase;
private readonly string _passwordResetFileBaseDir;
private readonly string _passwordResetFileBaseName = "passwordreset";
private readonly IJsonSerializer _jsonSerializer;
private readonly IUserManager _userManager;
private readonly ICryptoProvider _crypto;
public DefaultPasswordResetProvider(IServerConfigurationManager configurationManager, IJsonSerializer jsonSerializer, IUserManager userManager, ICryptoProvider cryptoProvider)
{
_passwordResetFileBaseDir = configurationManager.ApplicationPaths.ProgramDataPath;
_passwordResetFileBase = Path.Combine(_passwordResetFileBaseDir, _passwordResetFileBaseName);
_jsonSerializer = jsonSerializer;
_userManager = userManager;
_crypto = cryptoProvider;
}
public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)
{
SerializablePasswordReset spr;
HashSet<string> usersreset = new HashSet<string>();
foreach (var resetfile in Directory.EnumerateFiles(_passwordResetFileBaseDir, $"{_passwordResetFileBaseName}*"))
{
using (var str = File.OpenRead(resetfile))
{
spr = await _jsonSerializer.DeserializeFromStreamAsync<SerializablePasswordReset>(str).ConfigureAwait(false);
}
if (spr.ExpirationDate < DateTime.Now)
{
File.Delete(resetfile);
}
else if (spr.Pin.Replace('-', '').Equals(pin.Replace('-', ''), StringComparison.InvariantCultureIgnoreCase))
{
var resetUser = _userManager.GetUserByName(spr.UserName);
if (resetUser == null)
{
throw new Exception($"User with a username of {spr.UserName} not found");
}
await _userManager.ChangePassword(resetUser, pin).ConfigureAwait(false);
usersreset.Add(resetUser.Name);
File.Delete(resetfile);
}
}
if (usersreset.Count < 1)
{
throw new ResourceNotFoundException($"No Users found with a password reset request matching pin {pin}");
}
else
{
return new PinRedeemResult
{
Success = true,
UsersReset = usersreset.ToArray()
};
}
}
public async Task<ForgotPasswordResult> StartForgotPasswordProcess(MediaBrowser.Controller.Entities.User user, bool isInNetwork)
{
string pin = string.Empty;
using (var cryptoRandom = System.Security.Cryptography.RandomNumberGenerator.Create())
{
byte[] bytes = new byte[4];
cryptoRandom.GetBytes(bytes);
pin = BitConverter.ToString(bytes);
}
DateTime expireTime = DateTime.Now.AddMinutes(30);
string filePath = _passwordResetFileBase + user.InternalId + ".json";
SerializablePasswordReset spr = new SerializablePasswordReset
{
ExpirationDate = expireTime,
Pin = pin,
PinFile = filePath,
UserName = user.Name
};
try
{
using (FileStream fileStream = File.OpenWrite(filePath))
{
_jsonSerializer.SerializeToStream(spr, fileStream);
await fileStream.FlushAsync().ConfigureAwait(false);
}
}
catch (Exception e)
{
throw new Exception($"Error serializing or writing password reset for {user.Name} to location: {filePath}", e);
}
return new ForgotPasswordResult
{
Action = ForgotPasswordAction.PinCode,
PinExpirationDate = expireTime,
PinFile = filePath
};
}
private class SerializablePasswordReset : PasswordPinCreationResult
{
public string Pin { get; set; }
public string UserName { get; set; }
}
}
}

190
Emby.Server.Implementations/Library/UserManager.cs
View file

@ -79,6 +79,9 @@ namespace Emby.Server.Implementations.Library
private IAuthenticationProvider[] _authenticationProviders;
private DefaultAuthenticationProvider _defaultAuthenticationProvider;
private IPasswordResetProvider[] _passwordResetProviders;
private DefaultPasswordResetProvider _defaultPasswordResetProvider;
public UserManager(
ILoggerFactory loggerFactory,
IServerConfigurationManager configurationManager,
@ -102,8 +105,6 @@ namespace Emby.Server.Implementations.Library
_fileSystem = fileSystem;
ConfigurationManager = configurationManager;
_users = Array.Empty<User>();
DeletePinFile();
}
public NameIdPair[] GetAuthenticationProviders()
@ -120,11 +121,29 @@ namespace Emby.Server.Implementations.Library
.ToArray();
}
public void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders)
public NameIdPair[] GetPasswordResetProviders()
{
return _passwordResetProviders
.Where(i => i.IsEnabled)
.OrderBy(i => i is DefaultPasswordResetProvider ? 0 : 1)
.ThenBy(i => i.Name)
.Select(i => new NameIdPair
{
Name = i.Name,
Id = GetPasswordResetProviderId(i)
})
.ToArray();
}
public void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders,IEnumerable<IPasswordResetProvider> passwordResetProviders)
{
_authenticationProviders = authenticationProviders.ToArray();
_defaultAuthenticationProvider = _authenticationProviders.OfType<DefaultAuthenticationProvider>().First();
_passwordResetProviders = passwordResetProviders.ToArray();
_defaultPasswordResetProvider = passwordResetProviders.OfType<DefaultPasswordResetProvider>().First();
}
#region UserUpdated Event
@ -342,11 +361,21 @@ namespace Emby.Server.Implementations.Library
return provider.GetType().FullName;
}
private static string GetPasswordResetProviderId(IPasswordResetProvider provider)
{
return provider.GetType().FullName;
}
private IAuthenticationProvider GetAuthenticationProvider(User user)
{
return GetAuthenticationProviders(user).First();
}
private IPasswordResetProvider GetPasswordResetProvider(User user)
{
return GetPasswordResetProviders(user)[0];
}
private IAuthenticationProvider[] GetAuthenticationProviders(User user)
{
var authenticationProviderId = user == null ? null : user.Policy.AuthenticationProviderId;
@ -366,6 +395,25 @@ namespace Emby.Server.Implementations.Library
return providers;
}
private IPasswordResetProvider[] GetPasswordResetProviders(User user)
{
var passwordResetProviderId = user?.Policy.PasswordResetProviderId;
var providers = _passwordResetProviders.Where(i => i.IsEnabled).ToArray();
if (!string.IsNullOrEmpty(passwordResetProviderId))
{
providers = providers.Where(i => string.Equals(passwordResetProviderId, GetPasswordResetProviderId(i), StringComparison.OrdinalIgnoreCase)).ToArray();
}
if (providers.Length == 0)
{
providers = new IPasswordResetProvider[] { _defaultPasswordResetProvider };
}
return providers;
}
private async Task<bool> AuthenticateWithProvider(IAuthenticationProvider provider, string username, string password, User resolvedUser)
{
try
@ -844,159 +892,51 @@ namespace Emby.Server.Implementations.Library
Id = Guid.NewGuid(),
DateCreated = DateTime.UtcNow,
DateModified = DateTime.UtcNow,
UsesIdForConfigurationPath = true,
//Salt = BCrypt.GenerateSalt()
UsesIdForConfigurationPath = true
};
}
private string PasswordResetFile => Path.Combine(ConfigurationManager.ApplicationPaths.ProgramDataPath, "passwordreset.txt");
private string _lastPin;
private PasswordPinCreationResult _lastPasswordPinCreationResult;
private int _pinAttempts;
private async Task<PasswordPinCreationResult> CreatePasswordResetPin()
{
var num = new Random().Next(1, 9999);
var path = PasswordResetFile;
var pin = num.ToString("0000", CultureInfo.InvariantCulture);
_lastPin = pin;
var time = TimeSpan.FromMinutes(5);
var expiration = DateTime.UtcNow.Add(time);
var text = new StringBuilder();
var localAddress = (await _appHost.GetLocalApiUrl(CancellationToken.None).ConfigureAwait(false)) ?? string.Empty;
text.AppendLine("Use your web browser to visit:");
text.AppendLine(string.Empty);
text.AppendLine(localAddress + "/web/index.html#!/forgotpasswordpin.html");
text.AppendLine(string.Empty);
text.AppendLine("Enter the following pin code:");
text.AppendLine(string.Empty);
text.AppendLine(pin);
text.AppendLine(string.Empty);
var localExpirationTime = expiration.ToLocalTime();
// Tuesday, 22 August 2006 06:30 AM
text.AppendLine("The pin code will expire at " + localExpirationTime.ToString("f1", CultureInfo.CurrentCulture));
File.WriteAllText(path, text.ToString(), Encoding.UTF8);
var result = new PasswordPinCreationResult
{
PinFile = path,
ExpirationDate = expiration
};
_lastPasswordPinCreationResult = result;
_pinAttempts = 0;
return result;
}
public async Task<ForgotPasswordResult> StartForgotPasswordProcess(string enteredUsername, bool isInNetwork)
{
DeletePinFile();
var user = string.IsNullOrWhiteSpace(enteredUsername) ?
null :
GetUserByName(enteredUsername);
var action = ForgotPasswordAction.InNetworkRequired;
string pinFile = null;
DateTime? expirationDate = null;
if (user != null && !user.Policy.IsAdministrator)
if (user != null && isInNetwork)
{
action = ForgotPasswordAction.ContactAdmin;
var passwordResetProvider = GetPasswordResetProvider(user);
return await passwordResetProvider.StartForgotPasswordProcess(user, isInNetwork).ConfigureAwait(false);
}
else
{
if (isInNetwork)
return new ForgotPasswordResult
{
action = ForgotPasswordAction.PinCode;
}
var result = await CreatePasswordResetPin().ConfigureAwait(false);
pinFile = result.PinFile;
expirationDate = result.ExpirationDate;
Action = action,
PinFile = string.Empty
};
}
return new ForgotPasswordResult
{
Action = action,
PinFile = pinFile,
PinExpirationDate = expirationDate
};
}
public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)
{
DeletePinFile();
var usersReset = new List<string>();
var valid = !string.IsNullOrWhiteSpace(_lastPin) &&
string.Equals(_lastPin, pin, StringComparison.OrdinalIgnoreCase) &&
_lastPasswordPinCreationResult != null &&
_lastPasswordPinCreationResult.ExpirationDate > DateTime.UtcNow;
if (valid)
foreach (var provider in _passwordResetProviders)
{
_lastPin = null;
_lastPasswordPinCreationResult = null;
foreach (var user in Users)
var result = await provider.RedeemPasswordResetPin(pin).ConfigureAwait(false);
if (result.Success)
{
await ResetPassword(user).ConfigureAwait(false);
if (user.Policy.IsDisabled)
{
user.Policy.IsDisabled = false;
UpdateUserPolicy(user, user.Policy, true);
}
usersReset.Add(user.Name);
}
}
else
{
_pinAttempts++;
if (_pinAttempts >= 3)
{
_lastPin = null;
_lastPasswordPinCreationResult = null;
return result;
}
}
return new PinRedeemResult
{
Success = valid,
UsersReset = usersReset.ToArray()
Success = false,
UsersReset = Array.Empty<string>()
};
}
private void DeletePinFile()
{
try
{
_fileSystem.DeleteFile(PasswordResetFile);
}
catch
{
}
}
class PasswordPinCreationResult
{
public string PinFile { get; set; }
public DateTime ExpirationDate { get; set; }
}
public UserPolicy GetUserPolicy(User user)
{
var path = GetPolicyFilePath(user);

11
MediaBrowser.Api/Session/SessionsService.cs
View file

@ -245,6 +245,12 @@ namespace MediaBrowser.Api.Session
{
}
[Route("/Auth/PasswordResetProviders", "GET")]
[Authenticated(Roles = "Admin")]
public class GetPasswordResetProviders : IReturn<NameIdPair[]>
{
}
[Route("/Auth/Keys/{Key}", "DELETE")]
[Authenticated(Roles = "Admin")]
public class RevokeKey
@ -294,6 +300,11 @@ namespace MediaBrowser.Api.Session
return _userManager.GetAuthenticationProviders();
}
public object Get(GetPasswordResetProviders request)
{
return _userManager.GetPasswordResetProviders();
}
public void Delete(RevokeKey request)
{
_sessionManager.RevokeToken(request.Key);

20
MediaBrowser.Controller/Authentication/IPasswordResetProvider.cs Normal file
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@ -0,0 +1,20 @@
using System;
using System.Threading.Tasks;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Users;
namespace MediaBrowser.Controller.Authentication
{
public interface IPasswordResetProvider
{
string Name { get; }
bool IsEnabled { get; }
Task<ForgotPasswordResult> StartForgotPasswordProcess(User user, bool isInNetwork);
Task<PinRedeemResult> RedeemPasswordResetPin(string pin);
}
public class PasswordPinCreationResult
{
public string PinFile { get; set; }
public DateTime ExpirationDate { get; set; }
}
}

3
MediaBrowser.Controller/Library/IUserManager.cs
View file

@ -200,8 +200,9 @@ namespace MediaBrowser.Controller.Library
/// <returns>System.String.</returns>
string MakeValidUsername(string username);
void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders);
void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders, IEnumerable<IPasswordResetProvider> passwordResetProviders);
NameIdPair[] GetAuthenticationProviders();
NameIdPair[] GetPasswordResetProviders();
}
}

1
MediaBrowser.Model/Users/UserPolicy.cs
View file

@ -75,6 +75,7 @@ namespace MediaBrowser.Model.Users
public int RemoteClientBitrateLimit { get; set; }
public string AuthenticationProviderId { get; set; }
public string PasswordResetProviderId { get; set; }
public UserPolicy()
{