public async Task UpdateFailedVerificationsInfoAsync(RequestorInfo requestor, uint?pinType, uint failedAttempts, DateTime lastFailed)
{
var prefix = _cacheKeyGenerator.GenerateKeyForVerificationFailures(requestor, pinType);
await _redisClient.Db0.AddAsync(prefix + FailedCountSuffix, failedAttempts);
await _redisClient.Db0.AddAsync(prefix + FailedLastSuffix, lastFailed);
}
public async Task SetPinAsync(RequestorInfo requestor, uint?pinType, string pin)
{
var sha = SHA256.Create();
var loaded = await _dbContext.Pins.FirstOrDefaultAsync(x => x.HouseholdId == requestor.HouseholdId && x.ProfileId == requestor.ProfileId && x.PinType == pinType);
loaded.PinHash = sha.ComputeHash(Encoding.ASCII.GetBytes(loaded.PinSalt + pin)).ToHexString();
await _dbContext.SaveChangesAsync();
var prefix = _cacheKeyGenerator.GenerateKeyForHash(requestor, pinType);
await _redisClient.Db0.AddAsync(prefix, loaded.PinHash);
}
public async Task <string?> GetPinHashAsync(RequestorInfo requestor, uint?pinType)
{
var prefix = _cacheKeyGenerator.GenerateKeyForHash(requestor, pinType);
var hash = await _redisClient.Db0.GetAsync <string>(prefix);
if (hash == null)
{
var loaded = await _dbContext.Pins.FirstOrDefaultAsync(x => x.HouseholdId == requestor.HouseholdId && x.ProfileId == requestor.ProfileId && x.PinType == pinType);
if (loaded != null)
{
await _redisClient.Db0.AddAsync(prefix, loaded.PinHash);
return(loaded.PinHash);
}
}
return(hash);
}
public string GenerateKeyForVerificationFailures(RequestorInfo requestor, uint?pinType)
{
pinType = pinType ?? 0;
return($"{requestor.OpCoId}-PIN_VERIFY-{requestor.HouseholdId}-{requestor.ProfileId}");
}
public string GenerateKeyForHash(RequestorInfo requestor, uint?pinType)
{
pinType = pinType ?? 0;
return($"{requestor.OpCoId}-PIN_HASH-{requestor.HouseholdId}-{requestor.ProfileId}");
}
public async Task <(uint FailedAttemptsCount, System.DateTime LastFailedAttempt)> GetFailedVerificationsInfoAsync(RequestorInfo requestor, uint?pinType)
{
var prefix = _cacheKeyGenerator.GenerateKeyForVerificationFailures(requestor, pinType);
var FailedAttemptsCount = await _redisClient.Db0.GetAsync <uint?>(prefix + FailedCountSuffix) ?? 0;
var LastFailedAttempt = await _redisClient.Db0.GetAsync <DateTime?>(prefix + FailedLastSuffix) ?? DateTime.MinValue;
return(FailedAttemptsCount, LastFailedAttempt);
}
public async Task DeleteFailedAttemptsInfoAsync(RequestorInfo requestor, uint?pinType)
{
var prefix = _cacheKeyGenerator.GenerateKeyForVerificationFailures(requestor, pinType);
await _redisClient.Db0.RemoveAllAsync(new[] { prefix + FailedCountSuffix, prefix + FailedLastSuffix });
}
