private TimeSpan DefaultTimeout { get; } = new TimeSpan(0, 0, 0, 0, 500); // FUTURE use configuration value
public LoginAttemptController(
LoginAttemptClient loginAttemptClient,
UserAccountClient userAccountClient,
MemoryUsageLimiter memoryUsageLimiter,
BlockingAlgorithmOptions blockingOptions,
IStableStore stableStore)
{
_options = blockingOptions;//optionsAccessor.Options;
_stableStore = stableStore;
_passwordPopularityTracker = new PasswordPopularityTracker("FIXME-uniquekeyfromconfig"
//FIXME -- use configuration to get options here"FIXME-uniquekeyfromconfig", thresholdRequiredToTrackPreciseOccurrences: 10);
);
_loginAttemptCache = new FixedSizeLruCache<string, LoginAttempt>(80000); // FIXME -- use configuration file for size
_loginAttemptsInProgress = new Dictionary<string, Task<LoginAttempt>>();
_ipHistoryCache = new SelfLoadingCache<IPAddress, IpHistory>(
(id, cancellationToken) =>
{
return Task.Run(() => new IpHistory(id), cancellationToken);
// FUTURE -- option to load from stable store
});
_loginAttemptClient = loginAttemptClient;
_loginAttemptClient.SetLocalLoginAttemptController(this);
SetUserAccountClient(userAccountClient);
memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;
}
public void Init()
{
var builder = new ConfigurationBuilder()
.SetBasePath("")
.AddJsonFile("appsettings.json");
builder.AddEnvironmentVariables();
Configuration = builder.Build();
sqlConnectionString = Configuration["Data:ConnectionString"];
string cloudStorageConnectionString = Configuration["Data:StorageConnectionString"];
_options = new BlockingAlgorithmOptions();
DbContextOptionsBuilder<DbUserAccountContext> dbOptionsBuilder = new DbContextOptionsBuilder<DbUserAccountContext>();
dbOptionsBuilder.UseSqlServer(sqlConnectionString);
dbOptions = dbOptionsBuilder.Options;
_CloudStorageAccount = CloudStorageAccount.Parse(cloudStorageConnectionString);
userAccountControllerFactory = new DbUserAccountControllerFactory(_CloudStorageAccount, dbOptions);
userAccountController = userAccountControllerFactory.CreateDbUserAccountController();
RemoteHost localHost = new RemoteHost { Uri = new Uri("http://localhost:35358") };
MaxWeightHashing<RemoteHost> hosts = new MaxWeightHashing<RemoteHost>(Configuration["Data:UniqueConfigurationSecretPhrase"]);
LoginAttemptClient<DbUserAccount> loginAttemptClient = new LoginAttemptClient<DbUserAccount>(hosts, localHost);
_UserAccountRepositoryFactory = new DbUserAccountRepositoryFactory(dbOptions);
BinomialLadderFilter localPasswordBinomialLadderFilter = new BinomialLadderFilter(
_options.NumberOfBitsInBinomialLadderFilter_N, _options.HeightOfBinomialLadder_H);
_loginAttemptController = new LoginAttemptController<DbUserAccount>(
userAccountControllerFactory, _UserAccountRepositoryFactory,
localPasswordBinomialLadderFilter,
new MemoryUsageLimiter(), _options);
//services.AddEntityFramework()
// .AddSqlServer()
// .AddDbContext<DbUserAccountContext>(opt => opt.UseSqlServer(sqlConnectionString));
//DbUserAccountContext context = new DbUserAccountContext();
//var db = new DbContextOptionsBuilder();
//db.UseInMemoryDatabase();
//_context = new MyContext(db.Options);
}
public UserAccountController(
UserAccountClient userAccountClient,
LoginAttemptClient loginAttemptClient,
MemoryUsageLimiter memoryUsageLimiter,
BlockingAlgorithmOptions options,
IStableStore stableStore,
LimitPerTimePeriod[] creditLimits)
{
// _options = optionsAccessor.Options;
_options = options;
_stableStore = stableStore;
_userAccountClient = userAccountClient;
CreditLimits = creditLimits;
_userAccountCache = new SelfLoadingCache<string, UserAccount>(_stableStore.ReadAccountAsync);
SetLoginAttemptClient(loginAttemptClient);
userAccountClient.SetLocalUserAccountController(this);
memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;
}
public Simulator(ExperimentalConfiguration myExperimentalConfiguration, BlockingAlgorithmOptions options = default(BlockingAlgorithmOptions))
{
MyExperimentalConfiguration = myExperimentalConfiguration;
if (options == null)
options = new BlockingAlgorithmOptions();
CreditLimits = new[]
{
// 3 per hour
new LimitPerTimePeriod(new TimeSpan(1, 0, 0), 3f),
// 6 per day (24 hours, not calendar day)
new LimitPerTimePeriod(new TimeSpan(1, 0, 0, 0), 6f),
// 10 per week
new LimitPerTimePeriod(new TimeSpan(6, 0, 0, 0), 10f),
// 15 per month
new LimitPerTimePeriod(new TimeSpan(30, 0, 0, 0), 15f)
};
//We are testing with local server now
MyResponsibleHosts = new MaxWeightHashing<RemoteHost>("FIXME-uniquekeyfromconfig");
//configuration.MyResponsibleHosts.Add("localhost", new RemoteHost { Uri = new Uri("http://localhost:80"), IsLocalHost = true });
RemoteHost localHost = new RemoteHost { Uri = new Uri("http://localhost:80") };
MyResponsibleHosts.Add("localhost", localHost);
MyUserAccountClient = new UserAccountClient(MyResponsibleHosts, localHost);
MyLoginAttemptClient = new LoginAttemptClient(MyResponsibleHosts, localHost);
MemoryUsageLimiter memoryUsageLimiter = new MemoryUsageLimiter();
MyUserAccountController = new UserAccountController(MyUserAccountClient,
MyLoginAttemptClient, memoryUsageLimiter, options, StableStore,
CreditLimits);
MyLoginAttemptController = new LoginAttemptController(MyLoginAttemptClient, MyUserAccountClient,
memoryUsageLimiter, options, StableStore);
MyUserAccountController.SetLoginAttemptClient(MyLoginAttemptClient);
MyUserAccountClient.SetLocalUserAccountController(MyUserAccountController);
MyLoginAttemptController.SetUserAccountClient(MyUserAccountClient);
MyLoginAttemptClient.SetLocalLoginAttemptController(MyLoginAttemptController);
//fix outofmemory bug by setting the loginattempt field to null
StableStore.LoginAttempts = null;
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// Add framework services.
services.AddMvc();
string sqlConnectionString = Configuration["Data:ConnectionString"];
services.AddDbContext<DbUserAccountContext>(
opt => opt.UseSqlServer(sqlConnectionString));
// Uncomment the following line to add Web API services which makes it easier to port Web API 2 controllers.
// You will also need to add the Microsoft.AspNet.Mvc.WebApiCompatShim package to the 'dependencies' section of project.json.
// services.AddWebApiConventions();
BlockingAlgorithmOptions options = new BlockingAlgorithmOptions();
services.AddSingleton<BlockingAlgorithmOptions>(x => options);
RemoteHost localHost = new RemoteHost { Uri = new Uri("http://localhost:35358") };
services.AddSingleton<RemoteHost>(x => localHost);
MaxWeightHashing<RemoteHost> hosts = new MaxWeightHashing<RemoteHost>(Configuration["Data:UniqueConfigurationSecretPhrase"]);
hosts.Add("localhost", localHost);
services.AddSingleton<IDistributedResponsibilitySet<RemoteHost>>(x => hosts);
string cloudStorageConnectionString = Configuration["Data:StorageConnectionString"];
CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(cloudStorageConnectionString);
services.AddSingleton<CloudStorageAccount>(a => cloudStorageAccount);
services.AddSingleton<MemoryUsageLimiter, MemoryUsageLimiter>();
if (hosts.Count > 0)
{
DistributedBinomialLadderFilterClient dblfClient = new DistributedBinomialLadderFilterClient(
options.NumberOfVirtualNodesForDistributedBinomialLadder,
options.HeightOfBinomialLadder_H,
hosts,
options.PrivateConfigurationKey,
options.MinimumBinomialLadderFilterCacheFreshness);
// If running as a distributed system
services.AddSingleton<IBinomialLadderFilter, DistributedBinomialLadderFilterClient>(x => dblfClient);
DistributedBinomialLadderFilterController filterController =
new DistributedBinomialLadderFilterController(dblfClient, options.NumberOfBitsPerShardInBinomialLadderFilter, options.PrivateConfigurationKey);
services.AddSingleton<DistributedBinomialLadderFilterController>(x => filterController);
//services.AddSingleton<IFrequenciesProvider<string>>(x =>
// new IncorrectPasswordFrequencyClient(hosts, options.NumberOfRedundantHostsToCachePasswordPopularity));
}
else
{
BinomialLadderFilter localPasswordBinomialLadderFilter =
new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
services.AddSingleton<IBinomialLadderFilter>(x => localPasswordBinomialLadderFilter);
}
LoginAttemptClient<DbUserAccount> loginAttemptClient = new LoginAttemptClient<DbUserAccount>(hosts, localHost);
services.AddSingleton<IUserAccountRepositoryFactory<DbUserAccount>, DbUserAccountRepositoryFactory>();
services.AddSingleton<IUserAccountControllerFactory<DbUserAccount>, DbUserAccountControllerFactory>();
//LoginAttemptController<DbUserAccount> loginAttemptController = new LoginAttemptController<DbUserAccount>(
// new DbUserAccountControllerFactory(cloudStorageAccount), new DbUserAccountRepositoryFactory());
services.AddSingleton<ILoginAttemptClient, LoginAttemptClient<DbUserAccount>>(i => loginAttemptClient);
services.AddSingleton<ILoginAttemptController, LoginAttemptController<DbUserAccount>>();
}
public void SetLoginAttemptClient(LoginAttemptClient loginAttemptClient)
{
_loginAttemptClient = loginAttemptClient;
}