BuildFeed/MongoAuth/MongoMembershipProvider.cs
Thomas Hounsell 521e213eb2 Bug fixes, Arabic update, Hebrew addition
Also finally nailed bug #26
2015-10-06 21:28:49 +01:00

482 lines
16 KiB
C#

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using MongoDB.Driver;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Web.Security;
namespace MongoAuth
{
public class MongoMembershipProvider : MembershipProvider
{
private const string _memberCollectionName = "members";
private bool _enablePasswordReset = true;
private int _maxInvalidPasswordAttempts = 5;
private int _minRequiredNonAlphanumericCharacters = 1;
private int _minRequriedPasswordLength = 12;
private int _passwordAttemptWindow = 60;
private bool _requiresUniqueEmail = true;
private MongoClient _dbClient;
private IMongoCollection<MongoMember> _memberCollection;
public override string ApplicationName { get; set; }
public override bool EnablePasswordReset
{
get { return _enablePasswordReset; }
}
public override bool EnablePasswordRetrieval
{
get { return false; }
}
public override int MaxInvalidPasswordAttempts
{
get { return _maxInvalidPasswordAttempts; }
}
public override int MinRequiredNonAlphanumericCharacters
{
get { return _minRequiredNonAlphanumericCharacters; }
}
public override int MinRequiredPasswordLength
{
get { return _minRequriedPasswordLength; }
}
public override int PasswordAttemptWindow
{
get { return _passwordAttemptWindow; }
}
public override MembershipPasswordFormat PasswordFormat
{
get { return MembershipPasswordFormat.Hashed; }
}
public override string PasswordStrengthRegularExpression
{
get { return ""; }
}
public override bool RequiresQuestionAndAnswer
{
get { return false; }
}
public override bool RequiresUniqueEmail
{
get { return _requiresUniqueEmail; }
}
public override void Initialize(string name, NameValueCollection config)
{
if (config == null)
{
throw new ArgumentNullException("config");
}
base.Initialize(name, config);
_enablePasswordReset = tryReadBool(config["enablePasswordReset"], _enablePasswordReset);
_maxInvalidPasswordAttempts = tryReadInt(config["maxInvalidPasswordAttempts"], _maxInvalidPasswordAttempts);
_minRequiredNonAlphanumericCharacters = tryReadInt(config["minRequiredNonAlphanumericCharacters"], _minRequiredNonAlphanumericCharacters);
_minRequriedPasswordLength = tryReadInt(config["minRequriedPasswordLength"], _minRequriedPasswordLength);
_passwordAttemptWindow = tryReadInt(config["passwordAttemptWindow"], _passwordAttemptWindow);
_requiresUniqueEmail = tryReadBool(config["requiresUniqueEmail"], _requiresUniqueEmail);
_dbClient = new MongoClient(new MongoClientSettings()
{
Server = new MongoServerAddress(DatabaseConfig.Host, DatabaseConfig.Port)
});
_memberCollection = _dbClient.GetDatabase(DatabaseConfig.Database).GetCollection<MongoMember>(_memberCollectionName);
}
public override bool ChangePassword(string username, string oldPassword, string newPassword)
{
bool isAuthenticated = ValidateUser(username, oldPassword);
if (isAuthenticated)
{
var task = _memberCollection
.Find(m => m.UserName.ToLower() == username.ToLower())
.SingleOrDefaultAsync();
task.Wait();
var mm = task.Result;
if (mm == null)
{
return false;
}
byte[] salt = new byte[24];
byte[] hash = calculateHash(newPassword, ref salt);
mm.PassSalt = salt;
mm.PassHash = hash;
var replaceTask = _memberCollection
.ReplaceOneAsync(m => m.Id == mm.Id, mm);
replaceTask.Wait();
if (replaceTask.IsCompleted)
{
return true;
}
return false;
}
return false;
}
public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
{
throw new NotImplementedException();
}
public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
{
if (password.Length < MinRequiredPasswordLength)
{
status = MembershipCreateStatus.InvalidPassword;
return null;
}
MembershipUser mu = null;
var dupeUsers = _memberCollection
.Find(m => m.UserName.ToLower() == username.ToLower())
.CountAsync();
var dupeEmails = _memberCollection
.Find(m => m.EmailAddress.ToLower() == email.ToLower())
.CountAsync();
dupeUsers.Wait();
dupeEmails.Wait();
if (dupeUsers.Result > 0)
{
status = MembershipCreateStatus.DuplicateUserName;
}
else if (dupeEmails.Result > 0)
{
status = MembershipCreateStatus.DuplicateEmail;
}
else
{
byte[] salt = new byte[24];
byte[] hash = calculateHash(password, ref salt);
MongoMember mm = new MongoMember()
{
Id = Guid.NewGuid(),
UserName = username,
PassHash = hash,
PassSalt = salt,
EmailAddress = email,
IsApproved = false,
IsLockedOut = false,
CreationDate = DateTime.Now,
LastLoginDate = DateTime.MinValue,
LastActivityDate = DateTime.MinValue,
LastLockoutDate = DateTime.MinValue
};
var insertTask = _memberCollection
.InsertOneAsync(mm);
insertTask.Wait();
if (insertTask.Status == TaskStatus.RanToCompletion)
{
status = MembershipCreateStatus.Success;
mu = new MembershipUser(this.Name, mm.UserName, mm.Id, mm.EmailAddress, "", "", mm.IsApproved, mm.IsLockedOut, mm.CreationDate, mm.LastLoginDate, mm.LastActivityDate, DateTime.MinValue, mm.LastLockoutDate);
}
else
{
status = MembershipCreateStatus.ProviderError;
}
}
return mu;
}
public override bool DeleteUser(string username, bool deleteAllRelatedData)
{
var task = _memberCollection
.DeleteOneAsync(m => m.UserName.ToLower() == username);
task.Wait();
return task.Result.IsAcknowledged && task.Result.DeletedCount == 1;
}
public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
{
throw new NotImplementedException();
}
public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
{
throw new NotImplementedException();
}
public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
{
MembershipUserCollection muc = new MembershipUserCollection();
var users = _memberCollection
.Find(new BsonDocument());
var totalRecordsTask = users
.CountAsync();
totalRecordsTask.Wait();
totalRecords = Convert.ToInt32(totalRecordsTask.Result);
users = users
.Skip(pageIndex * pageSize)
.Limit(pageSize);
var pageItemsTask = users.ToListAsync();
pageItemsTask.Wait();
foreach (var mm in pageItemsTask.Result)
{
muc.Add(new MembershipUser(this.Name, mm.UserName, mm.Id, mm.EmailAddress, "", "", mm.IsApproved, mm.IsLockedOut, mm.CreationDate, mm.LastLoginDate, mm.LastActivityDate, DateTime.MinValue, mm.LastLockoutDate));
}
return muc;
}
public override int GetNumberOfUsersOnline()
{
throw new NotImplementedException();
}
public override string GetPassword(string username, string answer)
{
throw new NotImplementedException();
}
public override MembershipUser GetUser(string username, bool userIsOnline)
{
var task = _memberCollection
.Find(f => f.UserName.ToLower() == username.ToLower())
.FirstOrDefaultAsync();
task.Wait();
var mm = task.Result;
return mm == null ? null : new MembershipUser(this.Name, mm.UserName, mm.Id, mm.EmailAddress, "", "", mm.IsApproved, mm.IsLockedOut, mm.CreationDate, mm.LastLoginDate, mm.LastActivityDate, DateTime.MinValue, mm.LastLockoutDate);
}
public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
{
var task = _memberCollection
.Find(f => f.Id == (Guid)providerUserKey)
.FirstOrDefaultAsync();
task.Wait();
var mm = task.Result;
return mm == null ? null : new MembershipUser(this.Name, mm.UserName, mm.Id, mm.EmailAddress, "", "", mm.IsApproved, mm.IsLockedOut, mm.CreationDate, mm.LastLoginDate, mm.LastActivityDate, DateTime.MinValue, mm.LastLockoutDate);
}
public override string GetUserNameByEmail(string email)
{
var task = _memberCollection
.Find(f => f.EmailAddress.ToLower() == email.ToLower())
.FirstOrDefaultAsync();
task.Wait();
return task.Result.UserName;
}
public override string ResetPassword(string username, string answer)
{
throw new NotImplementedException();
}
public void ChangeApproval(Guid Id, bool newStatus)
{
var task = _memberCollection
.UpdateOneAsync(
Builders<MongoMember>.Filter.Eq(u => u.Id, Id),
Builders<MongoMember>.Update.Set(u => u.IsApproved, newStatus));
task.Wait();
}
public void ChangeLockStatus(Guid Id, bool newStatus)
{
var updateDefinition = new List<UpdateDefinition<MongoMember>>();
updateDefinition.Add(Builders<MongoMember>.Update.Set(u => u.IsLockedOut, newStatus));
if (newStatus)
{
updateDefinition.Add(Builders<MongoMember>.Update.Set(u => u.LastLockoutDate, DateTime.Now));
}
else
{
updateDefinition.Add(Builders<MongoMember>.Update.Set(u => u.LockoutWindowAttempts, 0));
updateDefinition.Add(Builders<MongoMember>.Update.Set(u => u.LastLockoutDate, DateTime.MinValue));
}
var task = _memberCollection
.UpdateOneAsync(
Builders<MongoMember>.Filter.Eq(u => u.Id, Id),
Builders<MongoMember>.Update.Combine(updateDefinition));
task.Wait();
}
public override bool UnlockUser(string userName)
{
var task = _memberCollection
.UpdateOneAsync(
Builders<MongoMember>.Filter.Eq(m => m.UserName.ToLower(), userName.ToLower()),
Builders<MongoMember>.Update.Set(m => m.IsLockedOut,
false));
task.Wait();
return task.Result.IsAcknowledged && task.Result.ModifiedCount == 1;
}
public override void UpdateUser(MembershipUser user)
{
throw new NotImplementedException();
}
public override bool ValidateUser(string username, string password)
{
var task = _memberCollection
.Find(f => f.UserName.ToLower() == username.ToLower())
.FirstOrDefaultAsync();
task.Wait();
var mm = task.Result;
if (mm == null || !(mm.IsApproved && !mm.IsLockedOut))
{
return false;
}
byte[] salt = mm.PassSalt;
byte[] hash = calculateHash(password, ref salt);
bool isFail = false;
for (int i = 0; i > hash.Length; i++)
{
isFail |= (hash[i] != mm.PassHash[i]);
}
if (isFail)
{
if (mm.LockoutWindowStart == DateTime.MinValue)
{
mm.LockoutWindowStart = DateTime.Now;
mm.LockoutWindowAttempts = 1;
}
else
{
if (mm.LockoutWindowStart.AddMinutes(PasswordAttemptWindow) > DateTime.Now)
{
// still within window
mm.LockoutWindowAttempts++;
if (mm.LockoutWindowAttempts >= MaxInvalidPasswordAttempts)
{
mm.IsLockedOut = true;
}
}
else
{
// outside of window, reset
mm.LockoutWindowStart = DateTime.Now;
mm.LockoutWindowAttempts = 1;
}
}
}
else
{
mm.LastLoginDate = DateTime.Now;
mm.LockoutWindowStart = DateTime.MinValue;
mm.LockoutWindowAttempts = 0;
}
var updTask = _memberCollection
.ReplaceOneAsync(
Builders<MongoMember>.Filter.Eq(u => u.Id, mm.Id),
mm);
updTask.Wait();
return !isFail;
}
private static byte[] calculateHash(string password, ref byte[] salt)
{
if (!salt.Any(v => v != 0))
{
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(salt);
}
byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
byte[] hashPlaintext = new byte[salt.Length + passwordBytes.Length];
passwordBytes.CopyTo(hashPlaintext, 0);
salt.CopyTo(hashPlaintext, passwordBytes.Length);
SHA512CryptoServiceProvider sha = new SHA512CryptoServiceProvider();
byte[] hash = sha.ComputeHash(hashPlaintext);
return hash;
}
private static bool tryReadBool(string config, bool defaultValue)
{
bool temp = false;
bool success = bool.TryParse(config, out temp);
return success ? temp : defaultValue;
}
private static int tryReadInt(string config, int defaultValue)
{
int temp = 0;
bool success = int.TryParse(config, out temp);
return success ? temp : defaultValue;
}
}
public class MongoMember
{
[BsonId]
public Guid Id { get; set; }
public string UserName { get; set; }
public byte[] PassHash { get; set; }
public byte[] PassSalt { get; set; }
public string EmailAddress { get; set; }
public bool IsApproved { get; set; }
public bool IsLockedOut { get; set; }
public DateTime CreationDate { get; set; }
public DateTime LastActivityDate { get; set; }
public DateTime LastLockoutDate { get; set; }
public DateTime LastLoginDate { get; set; }
public DateTime LockoutWindowStart { get; set; }
public int LockoutWindowAttempts { get; set; }
}
}