/// <summary>
/// Construct the controller (server) for requests to this host for its shards of the binomial ladder filter.
/// </summary>
/// <param name="distributedBinomialLadderFilterClient">A client used by this server to access the servers hosting other shards of the filter.</param>
/// <param name="numberOfBitsPerShard">The number of bits that each shard should contain.</param>
/// <param name="secretSaltToPreventAlgorithmicComplexityAttacks">
/// A secret used to salt the filter's hash functions so as to prevent attacks that might try to find collisions in the small space we are hashing to.</param>
public DistributedBinomialLadderFilterController(DistributedBinomialLadderFilterClient distributedBinomialLadderFilterClient,
int numberOfBitsPerShard, string secretSaltToPreventAlgorithmicComplexityAttacks)
{
FilterClient = distributedBinomialLadderFilterClient;
NumberOfBitsPerShard = numberOfBitsPerShard;
SecretSaltToPreventAlgorithmicComplexityAttacks = secretSaltToPreventAlgorithmicComplexityAttacks;
}
// 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>>();
}
