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made newlines into linux newlines

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pull/870/head
Phallacy 6 years ago
parent a0d31a49a0
commit 098de6b050
3 changed files with 590 additions and 592 deletions
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294
Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
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@ -1,149 +1,149 @@
using System;
using System.Collections.Generic;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using MediaBrowser.Model.Cryptography;
namespace Emby.Server.Implementations.Cryptography
{
public class CryptographyProvider : ICryptoProvider
{
private HashSet<string> SupportedHashMethods;
public string DefaultHashMethod => "SHA256";
private RandomNumberGenerator rng;
private int defaultiterations = 1000;
public CryptographyProvider()
{
//Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1
//there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one
SupportedHashMethods = new HashSet<string>()
{
"MD5"
,"System.Security.Cryptography.MD5"
,"SHA"
,"SHA1"
,"System.Security.Cryptography.SHA1"
,"SHA256"
,"SHA-256"
,"System.Security.Cryptography.SHA256"
,"SHA384"
,"SHA-384"
,"System.Security.Cryptography.SHA384"
,"SHA512"
,"SHA-512"
,"System.Security.Cryptography.SHA512"
};
rng = RandomNumberGenerator.Create();
}
public Guid GetMD5(string str)
{
return new Guid(ComputeMD5(Encoding.Unicode.GetBytes(str)));
}
public byte[] ComputeSHA1(byte[] bytes)
{
using (var provider = SHA1.Create())
{
return provider.ComputeHash(bytes);
}
}
public byte[] ComputeMD5(Stream str)
{
using (var provider = MD5.Create())
{
return provider.ComputeHash(str);
}
}
public byte[] ComputeMD5(byte[] bytes)
{
using (var provider = MD5.Create())
{
return provider.ComputeHash(bytes);
}
}
public IEnumerable<string> GetSupportedHashMethods()
{
return SupportedHashMethods;
}
private byte[] PBKDF2(string method, byte[] bytes, byte[] salt, int iterations)
using System.IO;
using System.Security.Cryptography;
using System.Text;
using MediaBrowser.Model.Cryptography;
namespace Emby.Server.Implementations.Cryptography
{
public class CryptographyProvider : ICryptoProvider
{
private HashSet<string> SupportedHashMethods;
public string DefaultHashMethod => "SHA256";
private RandomNumberGenerator rng;
private int defaultiterations = 1000;
public CryptographyProvider()
{
//downgrading for now as we need this library to be dotnetstandard compliant
using (var r = new Rfc2898DeriveBytes(bytes, salt, iterations))
{
return r.GetBytes(32);
}
}
public byte[] ComputeHash(string HashMethod, byte[] bytes)
{
return ComputeHash(HashMethod, bytes, new byte[0]);
}
public byte[] ComputeHashWithDefaultMethod(byte[] bytes)
{
return ComputeHash(DefaultHashMethod, bytes);
}
public byte[] ComputeHash(string HashMethod, byte[] bytes, byte[] salt)
{
if (SupportedHashMethods.Contains(HashMethod))
{
if (salt.Length == 0)
{
using (var h = HashAlgorithm.Create(HashMethod))
{
return h.ComputeHash(bytes);
}
}
else
{
return PBKDF2(HashMethod, bytes, salt, defaultiterations);
}
}
else
{
throw new CryptographicException($"Requested hash method is not supported: {HashMethod}");
}
}
public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt)
{
return PBKDF2(DefaultHashMethod, bytes, salt, defaultiterations);
}
public byte[] ComputeHash(PasswordHash hash)
{
int iterations = defaultiterations;
if (!hash.Parameters.ContainsKey("iterations"))
{
hash.Parameters.Add("iterations", defaultiterations.ToString(CultureInfo.InvariantCulture));
}
else
{
try
{
iterations = int.Parse(hash.Parameters["iterations"]);
}
catch (Exception e)
{
throw new InvalidDataException($"Couldn't successfully parse iterations value from string: {hash.Parameters["iterations"]}", e);
}
}
return PBKDF2(hash.Id, hash.HashBytes, hash.SaltBytes, iterations);
}
public byte[] GenerateSalt()
{
byte[] salt = new byte[64];
rng.GetBytes(salt);
return salt;
}
}
}
//Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1
//there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one
SupportedHashMethods = new HashSet<string>()
{
"MD5"
,"System.Security.Cryptography.MD5"
,"SHA"
,"SHA1"
,"System.Security.Cryptography.SHA1"
,"SHA256"
,"SHA-256"
,"System.Security.Cryptography.SHA256"
,"SHA384"
,"SHA-384"
,"System.Security.Cryptography.SHA384"
,"SHA512"
,"SHA-512"
,"System.Security.Cryptography.SHA512"
};
rng = RandomNumberGenerator.Create();
}
public Guid GetMD5(string str)
{
return new Guid(ComputeMD5(Encoding.Unicode.GetBytes(str)));
}
public byte[] ComputeSHA1(byte[] bytes)
{
using (var provider = SHA1.Create())
{
return provider.ComputeHash(bytes);
}
}
public byte[] ComputeMD5(Stream str)
{
using (var provider = MD5.Create())
{
return provider.ComputeHash(str);
}
}
public byte[] ComputeMD5(byte[] bytes)
{
using (var provider = MD5.Create())
{
return provider.ComputeHash(bytes);
}
}
public IEnumerable<string> GetSupportedHashMethods()
{
return SupportedHashMethods;
}
private byte[] PBKDF2(string method, byte[] bytes, byte[] salt, int iterations)
{
//downgrading for now as we need this library to be dotnetstandard compliant
using (var r = new Rfc2898DeriveBytes(bytes, salt, iterations))
{
return r.GetBytes(32);
}
}
public byte[] ComputeHash(string HashMethod, byte[] bytes)
{
return ComputeHash(HashMethod, bytes, new byte[0]);
}
public byte[] ComputeHashWithDefaultMethod(byte[] bytes)
{
return ComputeHash(DefaultHashMethod, bytes);
}
public byte[] ComputeHash(string HashMethod, byte[] bytes, byte[] salt)
{
if (SupportedHashMethods.Contains(HashMethod))
{
if (salt.Length == 0)
{
using (var h = HashAlgorithm.Create(HashMethod))
{
return h.ComputeHash(bytes);
}
}
else
{
return PBKDF2(HashMethod, bytes, salt, defaultiterations);
}
}
else
{
throw new CryptographicException($"Requested hash method is not supported: {HashMethod}");
}
}
public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt)
{
return PBKDF2(DefaultHashMethod, bytes, salt, defaultiterations);
}
public byte[] ComputeHash(PasswordHash hash)
{
int iterations = defaultiterations;
if (!hash.Parameters.ContainsKey("iterations"))
{
hash.Parameters.Add("iterations", defaultiterations.ToString(CultureInfo.InvariantCulture));
}
else
{
try
{
iterations = int.Parse(hash.Parameters["iterations"]);
}
catch (Exception e)
{
throw new InvalidDataException($"Couldn't successfully parse iterations value from string: {hash.Parameters["iterations"]}", e);
}
}
return PBKDF2(hash.Id, hash.HashBytes, hash.SaltBytes, iterations);
}
public byte[] GenerateSalt()
{
byte[] salt = new byte[64];
rng.GetBytes(salt);
return salt;
}
}
}

526
Emby.Server.Implementations/Data/SqliteUserRepository.cs
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@ -1,264 +1,264 @@
using System;
using System.Collections.Generic;
using System.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Serialization;
using Microsoft.Extensions.Logging;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
{
/// <summary>
/// Class SQLiteUserRepository
/// </summary>
public class SqliteUserRepository : BaseSqliteRepository, IUserRepository
{
private readonly IJsonSerializer _jsonSerializer;
public SqliteUserRepository(
ILoggerFactory loggerFactory,
IServerApplicationPaths appPaths,
IJsonSerializer jsonSerializer)
: base(loggerFactory.CreateLogger(nameof(SqliteUserRepository)))
{
_jsonSerializer = jsonSerializer;
DbFilePath = Path.Combine(appPaths.DataPath, "users.db");
}
/// <summary>
/// Gets the name of the repository
/// </summary>
/// <value>The name.</value>
public string Name => "SQLite";
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
public void Initialize()
{
using (var connection = CreateConnection())
{
RunDefaultInitialization(connection);
var localUsersTableExists = TableExists(connection, "LocalUsersv2");
connection.RunQueries(new[] {
"create table if not exists LocalUsersv2 (Id INTEGER PRIMARY KEY, guid GUID NOT NULL, data BLOB NOT NULL)",
"drop index if exists idx_users"
});
if (!localUsersTableExists && TableExists(connection, "Users"))
{
TryMigrateToLocalUsersTable(connection);
using System;
using System.Collections.Generic;
using System.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Serialization;
using Microsoft.Extensions.Logging;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
{
/// <summary>
/// Class SQLiteUserRepository
/// </summary>
public class SqliteUserRepository : BaseSqliteRepository, IUserRepository
{
private readonly IJsonSerializer _jsonSerializer;
public SqliteUserRepository(
ILoggerFactory loggerFactory,
IServerApplicationPaths appPaths,
IJsonSerializer jsonSerializer)
: base(loggerFactory.CreateLogger(nameof(SqliteUserRepository)))
{
_jsonSerializer = jsonSerializer;
DbFilePath = Path.Combine(appPaths.DataPath, "users.db");
}
/// <summary>
/// Gets the name of the repository
/// </summary>
/// <value>The name.</value>
public string Name => "SQLite";
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
public void Initialize()
{
using (var connection = CreateConnection())
{
RunDefaultInitialization(connection);
var localUsersTableExists = TableExists(connection, "LocalUsersv2");
connection.RunQueries(new[] {
"create table if not exists LocalUsersv2 (Id INTEGER PRIMARY KEY, guid GUID NOT NULL, data BLOB NOT NULL)",
"drop index if exists idx_users"
});
if (!localUsersTableExists && TableExists(connection, "Users"))
{
TryMigrateToLocalUsersTable(connection);
}
RemoveEmptyPasswordHashes();
}
}
private void TryMigrateToLocalUsersTable(ManagedConnection connection)
{
try
{
connection.RunQueries(new[]
{
"INSERT INTO LocalUsersv2 (guid, data) SELECT guid,data from users"
});
}
catch (Exception ex)
{
Logger.LogError(ex, "Error migrating users database");
}
}
private void RemoveEmptyPasswordHashes()
{
foreach (var user in RetrieveAllUsers())
{
// If the user password is the sha1 hash of the empty string, remove it
if (!string.Equals(user.Password, "DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal)
|| !string.Equals(user.Password, "$SHA1$DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal))
{
continue;
}
user.Password = null;
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("update LocalUsersv2 set data=@data where Id=@InternalId"))
{
statement.TryBind("@InternalId", user.InternalId);
statement.TryBind("@data", serialized);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
/// <summary>
/// Save a user in the repo
/// </summary>
public void CreateUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("insert into LocalUsersv2 (guid, data) values (@guid, @data)"))
{
statement.TryBind("@guid", user.Id.ToGuidBlob());
statement.TryBind("@data", serialized);
statement.MoveNext();
}
var createdUser = GetUser(user.Id, false);
if (createdUser == null)
{
throw new ApplicationException("created user should never be null");
}
user.InternalId = createdUser.InternalId;
}, TransactionMode);
}
}
}
public void UpdateUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("update LocalUsersv2 set data=@data where Id=@InternalId"))
{
statement.TryBind("@InternalId", user.InternalId);
statement.TryBind("@data", serialized);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
private User GetUser(Guid guid, bool openLock)
{
using (openLock ? WriteLock.Read() : null)
{
using (var connection = CreateConnection(true))
{
using (var statement = connection.PrepareStatement("select id,guid,data from LocalUsersv2 where guid=@guid"))
{
statement.TryBind("@guid", guid);
foreach (var row in statement.ExecuteQuery())
{
return GetUser(row);
}
}
}
}
return null;
}
private User GetUser(IReadOnlyList<IResultSetValue> row)
{
var id = row[0].ToInt64();
var guid = row[1].ReadGuidFromBlob();
using (var stream = new MemoryStream(row[2].ToBlob()))
{
stream.Position = 0;
var user = _jsonSerializer.DeserializeFromStream<User>(stream);
user.InternalId = id;
user.Id = guid;
return user;
}
}
/// <summary>
/// Retrieve all users from the database
/// </summary>
/// <returns>IEnumerable{User}.</returns>
public List<User> RetrieveAllUsers()
{
var list = new List<User>();
using (WriteLock.Read())
{
using (var connection = CreateConnection(true))
{
foreach (var row in connection.Query("select id,guid,data from LocalUsersv2"))
{
list.Add(GetUser(row));
}
}
}
return list;
}
/// <summary>
/// Deletes the user.
/// </summary>
/// <param name="user">The user.</param>
/// <returns>Task.</returns>
/// <exception cref="ArgumentNullException">user</exception>
public void DeleteUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("delete from LocalUsersv2 where Id=@id"))
{
statement.TryBind("@id", user.InternalId);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
}
}
RemoveEmptyPasswordHashes();
}
}
private void TryMigrateToLocalUsersTable(ManagedConnection connection)
{
try
{
connection.RunQueries(new[]
{
"INSERT INTO LocalUsersv2 (guid, data) SELECT guid,data from users"
});
}
catch (Exception ex)
{
Logger.LogError(ex, "Error migrating users database");
}
}
private void RemoveEmptyPasswordHashes()
{
foreach (var user in RetrieveAllUsers())
{
// If the user password is the sha1 hash of the empty string, remove it
if (!string.Equals(user.Password, "DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal)
|| !string.Equals(user.Password, "$SHA1$DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal))
{
continue;
}
user.Password = null;
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("update LocalUsersv2 set data=@data where Id=@InternalId"))
{
statement.TryBind("@InternalId", user.InternalId);
statement.TryBind("@data", serialized);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
/// <summary>
/// Save a user in the repo
/// </summary>
public void CreateUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("insert into LocalUsersv2 (guid, data) values (@guid, @data)"))
{
statement.TryBind("@guid", user.Id.ToGuidBlob());
statement.TryBind("@data", serialized);
statement.MoveNext();
}
var createdUser = GetUser(user.Id, false);
if (createdUser == null)
{
throw new ApplicationException("created user should never be null");
}
user.InternalId = createdUser.InternalId;
}, TransactionMode);
}
}
}
public void UpdateUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var serialized = _jsonSerializer.SerializeToBytes(user);
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("update LocalUsersv2 set data=@data where Id=@InternalId"))
{
statement.TryBind("@InternalId", user.InternalId);
statement.TryBind("@data", serialized);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
private User GetUser(Guid guid, bool openLock)
{
using (openLock ? WriteLock.Read() : null)
{
using (var connection = CreateConnection(true))
{
using (var statement = connection.PrepareStatement("select id,guid,data from LocalUsersv2 where guid=@guid"))
{
statement.TryBind("@guid", guid);
foreach (var row in statement.ExecuteQuery())
{
return GetUser(row);
}
}
}
}
return null;
}
private User GetUser(IReadOnlyList<IResultSetValue> row)
{
var id = row[0].ToInt64();
var guid = row[1].ReadGuidFromBlob();
using (var stream = new MemoryStream(row[2].ToBlob()))
{
stream.Position = 0;
var user = _jsonSerializer.DeserializeFromStream<User>(stream);
user.InternalId = id;
user.Id = guid;
return user;
}
}
/// <summary>
/// Retrieve all users from the database
/// </summary>
/// <returns>IEnumerable{User}.</returns>
public List<User> RetrieveAllUsers()
{
var list = new List<User>();
using (WriteLock.Read())
{
using (var connection = CreateConnection(true))
{
foreach (var row in connection.Query("select id,guid,data from LocalUsersv2"))
{
list.Add(GetUser(row));
}
}
}
return list;
}
/// <summary>
/// Deletes the user.
/// </summary>
/// <param name="user">The user.</param>
/// <returns>Task.</returns>
/// <exception cref="ArgumentNullException">user</exception>
public void DeleteUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
using (WriteLock.Write())
{
using (var connection = CreateConnection())
{
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("delete from LocalUsersv2 where Id=@id"))
{
statement.TryBind("@id", user.InternalId);
statement.MoveNext();
}
}, TransactionMode);
}
}
}
}
}

362
Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
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@ -1,42 +1,42 @@
using System;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MediaBrowser.Controller.Authentication;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Cryptography;
namespace Emby.Server.Implementations.Library
{
public class DefaultAuthenticationProvider : IAuthenticationProvider, IRequiresResolvedUser
{
private readonly ICryptoProvider _cryptographyProvider;
public DefaultAuthenticationProvider(ICryptoProvider crypto)
{
_cryptographyProvider = crypto;
}
public string Name => "Default";
public bool IsEnabled => true;
//This is dumb and an artifact of the backwards way auth providers were designed.
//This version of authenticate was never meant to be called, but needs to be here for interface compat
//Only the providers that don't provide local user support use this
public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
{
throw new NotImplementedException();
}
//This is the verson that we need to use for local users. Because reasons.
public Task<ProviderAuthenticationResult> Authenticate(string username, string password, User resolvedUser)
{
bool success = false;
if (resolvedUser == null)
{
throw new Exception("Invalid username or password");
using System;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MediaBrowser.Controller.Authentication;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Cryptography;
namespace Emby.Server.Implementations.Library
{
public class DefaultAuthenticationProvider : IAuthenticationProvider, IRequiresResolvedUser
{
private readonly ICryptoProvider _cryptographyProvider;
public DefaultAuthenticationProvider(ICryptoProvider crypto)
{
_cryptographyProvider = crypto;
}
public string Name => "Default";
public bool IsEnabled => true;
//This is dumb and an artifact of the backwards way auth providers were designed.
//This version of authenticate was never meant to be called, but needs to be here for interface compat
//Only the providers that don't provide local user support use this
public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
{
throw new NotImplementedException();
}
//This is the verson that we need to use for local users. Because reasons.
public Task<ProviderAuthenticationResult> Authenticate(string username, string password, User resolvedUser)
{
bool success = false;
if (resolvedUser == null)
{
throw new Exception("Invalid username or password");
}
//As long as jellyfin supports passwordless users, we need this little block here to accomodate
@ -47,166 +47,164 @@ namespace Emby.Server.Implementations.Library
Username = username
});
}
ConvertPasswordFormat(resolvedUser);
byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
PasswordHash readyHash = new PasswordHash(resolvedUser.Password);
byte[] CalculatedHash;
string CalculatedHashString;
if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id))
{
if (string.IsNullOrEmpty(readyHash.Salt))
{
CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
}
else
{
CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
ConvertPasswordFormat(resolvedUser);
byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
PasswordHash readyHash = new PasswordHash(resolvedUser.Password);
byte[] CalculatedHash;
string CalculatedHashString;
if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id))
{
if (string.IsNullOrEmpty(readyHash.Salt))
{
CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
}
else
{
CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
}
if (CalculatedHashString == readyHash.Hash)
{
success = true;
//throw new Exception("Invalid username or password");
}
}
else
{
throw new Exception(String.Format($"Requested crypto method not available in provider: {readyHash.Id}"));
}
//var success = string.Equals(GetPasswordHash(resolvedUser), GetHashedString(resolvedUser, password), StringComparison.OrdinalIgnoreCase);
if (!success)
{
throw new Exception("Invalid username or password");
}
return Task.FromResult(new ProviderAuthenticationResult
{
Username = username
});
}
//This allows us to move passwords forward to the newformat without breaking. They are still insecure, unsalted, and dumb before a password change
//but at least they are in the new format.
private void ConvertPasswordFormat(User user)
{
if (!string.IsNullOrEmpty(user.Password))
if (CalculatedHashString == readyHash.Hash)
{
success = true;
//throw new Exception("Invalid username or password");
}
}
else
{
throw new Exception(String.Format($"Requested crypto method not available in provider: {readyHash.Id}"));
}
//var success = string.Equals(GetPasswordHash(resolvedUser), GetHashedString(resolvedUser, password), StringComparison.OrdinalIgnoreCase);
if (!success)
{
throw new Exception("Invalid username or password");
}
return Task.FromResult(new ProviderAuthenticationResult
{
Username = username
});
}
//This allows us to move passwords forward to the newformat without breaking. They are still insecure, unsalted, and dumb before a password change
//but at least they are in the new format.
private void ConvertPasswordFormat(User user)
{
if (!string.IsNullOrEmpty(user.Password))
{
return;
}
if (!user.Password.Contains("$"))
{
string hash = user.Password;
user.Password = String.Format("$SHA1${0}", hash);
}
if (user.EasyPassword != null && !user.EasyPassword.Contains("$"))
{
string hash = user.EasyPassword;
user.EasyPassword = string.Format("$SHA1${0}", hash);
}
}
public Task<bool> HasPassword(User user)
{
var hasConfiguredPassword = !IsPasswordEmpty(user, GetPasswordHash(user));
return Task.FromResult(hasConfiguredPassword);
}
private bool IsPasswordEmpty(User user, string password)
if (!user.Password.Contains("$"))
{
string hash = user.Password;
user.Password = String.Format("$SHA1${0}", hash);
}
if (user.EasyPassword != null && !user.EasyPassword.Contains("$"))
{
string hash = user.EasyPassword;
user.EasyPassword = string.Format("$SHA1${0}", hash);
}
}
public Task<bool> HasPassword(User user)
{
var hasConfiguredPassword = !IsPasswordEmpty(user, GetPasswordHash(user));
return Task.FromResult(hasConfiguredPassword);
}
private bool IsPasswordEmpty(User user, string password)
{
if (string.IsNullOrEmpty(user.Password))
{
return string.IsNullOrEmpty(password);
}
return false;
}
public Task ChangePassword(User user, string newPassword)
{
return false;
}
public Task ChangePassword(User user, string newPassword)
{
ConvertPasswordFormat(user);
//This is needed to support changing a no password user to a password user
if (string.IsNullOrEmpty(user.Password))
{
PasswordHash newPasswordHash = new PasswordHash(_cryptographyProvider);
newPasswordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
newPasswordHash.Salt = PasswordHash.ConvertToByteString(newPasswordHash.SaltBytes);
newPasswordHash.Id = _cryptographyProvider.DefaultHashMethod;
newPasswordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
newPasswordHash.Salt = PasswordHash.ConvertToByteString(newPasswordHash.SaltBytes);
newPasswordHash.Id = _cryptographyProvider.DefaultHashMethod;
newPasswordHash.Hash = GetHashedStringChangeAuth(newPassword, newPasswordHash);
user.Password = newPasswordHash.ToString();
return Task.CompletedTask;
}
PasswordHash passwordHash = new PasswordHash(user.Password);
if (passwordHash.Id == "SHA1" && string.IsNullOrEmpty(passwordHash.Salt))
{
passwordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
passwordHash.Salt = PasswordHash.ConvertToByteString(passwordHash.SaltBytes);
passwordHash.Id = _cryptographyProvider.DefaultHashMethod;
passwordHash.Hash = GetHashedStringChangeAuth(newPassword, passwordHash);
}
else if (newPassword != null)
{
passwordHash.Hash = GetHashedString(user, newPassword);
}
if (string.IsNullOrWhiteSpace(passwordHash.Hash))
{
throw new ArgumentNullException(nameof(passwordHash.Hash));
}
user.Password = passwordHash.ToString();
return Task.CompletedTask;
}
public string GetPasswordHash(User user)
{
return user.Password;
}
public string GetHashedStringChangeAuth(string newPassword, PasswordHash passwordHash)
{
passwordHash.HashBytes = Encoding.UTF8.GetBytes(newPassword);
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
}
/// <summary>
/// Gets the hashed string.
/// </summary>
public string GetHashedString(User user, string str)
{
PasswordHash passwordHash;
if (String.IsNullOrEmpty(user.Password))
{
passwordHash = new PasswordHash(_cryptographyProvider);
}
else
{
ConvertPasswordFormat(user);
passwordHash = new PasswordHash(user.Password);
}
if (passwordHash.SaltBytes != null)
{
//the password is modern format with PBKDF and we should take advantage of that
passwordHash.HashBytes = Encoding.UTF8.GetBytes(str);
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
}
else
{
//the password has no salt and should be called with the older method for safety
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash.Id, Encoding.UTF8.GetBytes(str)));
}
}
}
}
PasswordHash passwordHash = new PasswordHash(user.Password);
if (passwordHash.Id == "SHA1" && string.IsNullOrEmpty(passwordHash.Salt))
{
passwordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
passwordHash.Salt = PasswordHash.ConvertToByteString(passwordHash.SaltBytes);
passwordHash.Id = _cryptographyProvider.DefaultHashMethod;
passwordHash.Hash = GetHashedStringChangeAuth(newPassword, passwordHash);
}
else if (newPassword != null)
{
passwordHash.Hash = GetHashedString(user, newPassword);
}
if (string.IsNullOrWhiteSpace(passwordHash.Hash))
{
throw new ArgumentNullException(nameof(passwordHash.Hash));
}
user.Password = passwordHash.ToString();
return Task.CompletedTask;
}
public string GetPasswordHash(User user)
{
return user.Password;
}
public string GetHashedStringChangeAuth(string newPassword, PasswordHash passwordHash)
{
passwordHash.HashBytes = Encoding.UTF8.GetBytes(newPassword);
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
}
/// <summary>
/// Gets the hashed string.
/// </summary>
public string GetHashedString(User user, string str)
{
PasswordHash passwordHash;
if (String.IsNullOrEmpty(user.Password))
{
passwordHash = new PasswordHash(_cryptographyProvider);
}
else
{
ConvertPasswordFormat(user);
passwordHash = new PasswordHash(user.Password);
}
if (passwordHash.SaltBytes != null)
{
//the password is modern format with PBKDF and we should take advantage of that
passwordHash.HashBytes = Encoding.UTF8.GetBytes(str);
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
}
else
{
//the password has no salt and should be called with the older method for safety
return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash.Id, Encoding.UTF8.GetBytes(str)));
}
}
}
}

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