mirror of
https://github.com/jellyfin/jellyfin.git
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* Remove legacy auth code * Adds tests so we don't break PasswordHash (again) * Clean up interfaces * Remove duplicate code * Use auto properties * static using * Don't use 'this' * Fix build
165 lines
5.7 KiB
C#
165 lines
5.7 KiB
C#
using System;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Cryptography;
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using MediaBrowser.Controller.Authentication;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Model.Cryptography;
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using static MediaBrowser.Common.HexHelper;
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namespace Emby.Server.Implementations.Library
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{
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public class DefaultAuthenticationProvider : IAuthenticationProvider, IRequiresResolvedUser
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{
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private readonly ICryptoProvider _cryptographyProvider;
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public DefaultAuthenticationProvider(ICryptoProvider cryptographyProvider)
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{
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_cryptographyProvider = cryptographyProvider;
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}
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/// <inheritdoc />
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public string Name => "Default";
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/// <inheritdoc />
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public bool IsEnabled => true;
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/// <inheritdoc />
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// This is dumb and an artifact of the backwards way auth providers were designed.
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// This version of authenticate was never meant to be called, but needs to be here for interface compat
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// Only the providers that don't provide local user support use this
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public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
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{
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throw new NotImplementedException();
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}
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/// <inheritdoc />
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// This is the version that we need to use for local users. Because reasons.
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public Task<ProviderAuthenticationResult> Authenticate(string username, string password, User resolvedUser)
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{
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bool success = false;
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if (resolvedUser == null)
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{
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throw new ArgumentNullException(nameof(resolvedUser));
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}
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// As long as jellyfin supports passwordless users, we need this little block here to accommodate
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if (!HasPassword(resolvedUser) && string.IsNullOrEmpty(password))
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{
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return Task.FromResult(new ProviderAuthenticationResult
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{
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Username = username
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});
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}
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byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
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PasswordHash readyHash = PasswordHash.Parse(resolvedUser.Password);
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if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id)
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|| _cryptographyProvider.DefaultHashMethod == readyHash.Id)
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{
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byte[] calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.Salt);
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if (calculatedHash.SequenceEqual(readyHash.Hash))
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{
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success = true;
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}
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}
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else
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{
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throw new AuthenticationException($"Requested crypto method not available in provider: {readyHash.Id}");
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}
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if (!success)
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{
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throw new AuthenticationException("Invalid username or password");
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}
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return Task.FromResult(new ProviderAuthenticationResult
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{
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Username = username
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});
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}
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/// <inheritdoc />
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public bool HasPassword(User user)
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=> !string.IsNullOrEmpty(user.Password);
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/// <inheritdoc />
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public Task ChangePassword(User user, string newPassword)
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{
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if (string.IsNullOrEmpty(newPassword))
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{
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user.Password = null;
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return Task.CompletedTask;
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}
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PasswordHash newPasswordHash = _cryptographyProvider.CreatePasswordHash(newPassword);
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user.Password = newPasswordHash.ToString();
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return Task.CompletedTask;
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}
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/// <inheritdoc />
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public void ChangeEasyPassword(User user, string newPassword, string newPasswordHash)
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{
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if (newPassword != null)
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{
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newPasswordHash = _cryptographyProvider.CreatePasswordHash(newPassword).ToString();
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}
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if (string.IsNullOrWhiteSpace(newPasswordHash))
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{
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throw new ArgumentNullException(nameof(newPasswordHash));
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}
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user.EasyPassword = newPasswordHash;
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}
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/// <inheritdoc />
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public string GetEasyPasswordHash(User user)
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{
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return string.IsNullOrEmpty(user.EasyPassword)
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? null
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: ToHexString(PasswordHash.Parse(user.EasyPassword).Hash);
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}
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/// <summary>
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/// Gets the hashed string.
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/// </summary>
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public string GetHashedString(User user, string str)
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{
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if (string.IsNullOrEmpty(user.Password))
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{
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return _cryptographyProvider.CreatePasswordHash(str).ToString();
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}
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// TODO: make use of iterations parameter?
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PasswordHash passwordHash = PasswordHash.Parse(user.Password);
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return new PasswordHash(
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passwordHash.Id,
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_cryptographyProvider.ComputeHash(
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passwordHash.Id,
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Encoding.UTF8.GetBytes(str),
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passwordHash.Salt),
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passwordHash.Salt,
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passwordHash.Parameters.ToDictionary(x => x.Key, y => y.Value)).ToString();
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}
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public byte[] GetHashed(User user, string str)
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{
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if (string.IsNullOrEmpty(user.Password))
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{
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return _cryptographyProvider.CreatePasswordHash(str).Hash;
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}
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// TODO: make use of iterations parameter?
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PasswordHash passwordHash = PasswordHash.Parse(user.Password);
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return _cryptographyProvider.ComputeHash(
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passwordHash.Id,
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Encoding.UTF8.GetBytes(str),
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passwordHash.Salt);
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}
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}
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}
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