// POST /api/Register - Register User
public async Task <bool> PostRegisterUserAsync()
{
loggerService.StartMethod();
try
{
await serverConfigurationRepository.LoadAsync();
string url = serverConfigurationRepository.UserRegisterApiEndpoint;
var content = new StringContent(string.Empty, Encoding.UTF8, "application/json");
var result = await PostAsync(url, content);
if (result != null)
{
loggerService.EndMethod();
return(true);
}
}
catch (Exception ex)
{
loggerService.Exception("Failed to register user.", ex);
}
loggerService.EndMethod();
return(false);
}
public EditServerConfigurationPageViewModel(
INavigationService navigationService,
IServerConfigurationRepository serverConfigurationRepository
) : base(navigationService)
{
Title = "Edit ServerConfiguration";
_serverConfigurationRepository = serverConfigurationRepository;
Task.Run(async() =>
{
await _serverConfigurationRepository.LoadAsync();
UserRegisterApiEndpoint = _serverConfigurationRepository.UserRegisterApiEndpoint;
Regions = string.Join(",", _serverConfigurationRepository.Regions);
DiagnosisKeyRegisterApiEndpoint = _serverConfigurationRepository.DiagnosisKeyRegisterApiEndpoint;
DiagnosisKeyListProvideServerEndpoint = _serverConfigurationRepository.DiagnosisKeyListProvideServerEndpoint;
InquiryLogApiUrl = _serverConfigurationRepository.InquiryLogApiUrl;
LogStorageEndpoint = _serverConfigurationRepository.LogStorageEndpoint;
ExposureConfigurationUrl = _serverConfigurationRepository.ExposureConfigurationUrl;
ExposureRiskCalculationConfigurationUrl = _serverConfigurationRepository.ExposureRiskCalculationConfigurationUrl;
ExposureDataCollectServerEndpoint = _serverConfigurationRepository.ExposureDataCollectServerEndpoint;
EventLogApiEndpoint = _serverConfigurationRepository.EventLogApiEndpoint;
UpdateUrls();
});
}
public async Task UploadExposureDataAsync(
ExposureRequest exposureRequest
)
{
await _serverConfigurationRepository.LoadAsync();
foreach (var url in _serverConfigurationRepository.ExposureDataCollectServerUrls)
{
await UploadExposureDataAsync(exposureRequest, url);
}
}
// POST /api/Register - Register User
public async Task <HttpStatusCode> PostRegisterUserAsync()
{
loggerService.StartMethod();
try
{
await serverConfigurationRepository.LoadAsync();
string url = serverConfigurationRepository.UserRegisterApiEndpoint;
var content = new StringContent(string.Empty, Encoding.UTF8, "application/json");
HttpResponseMessage result = await httpClient.PostAsync(url, content);
loggerService.EndMethod();
return(result.StatusCode);
}
catch (Exception ex)
{
loggerService.Exception("Failed to register user.", ex);
loggerService.EndMethod();
throw;
}
}
private async Task SendExposureDataAsync(
string idempotencyKey,
ExposureData exposureData
)
{
_loggerService.StartMethod();
SendEventLogState sendEventLogState = _userDataRepository.GetSendEventLogState();
bool isEnabled = sendEventLogState == SendEventLogState.Enable;
if (!isEnabled)
{
_loggerService.Debug($"Send event-log function is not enabled.");
_loggerService.EndMethod();
return;
}
await _serverConfigurationRepository.LoadAsync();
string exposureDataCollectServerEndpoint = _serverConfigurationRepository.EventLogApiEndpoint;
_loggerService.Debug($"exposureDataCollectServerEndpoint: {exposureDataCollectServerEndpoint}");
try
{
var contentJson = exposureData.ToJsonString();
var eventLog = new V1EventLogRequest.EventLog()
{
HasConsent = isEnabled,
Epoch = _dateTimeUtility.UtcNow.ToUnixEpoch(),
Type = "ExposureData",
Subtype = "Debug",
Content = contentJson,
};
var eventLogs = new[] { eventLog };
var request = new V1EventLogRequest()
{
IdempotencyKey = idempotencyKey,
Platform = _essentialsService.Platform,
AppPackageName = _essentialsService.AppPackageName,
EventLogs = eventLogs,
};
request.DeviceVerificationPayload = await _deviceVerifier.VerifyAsync(request);
var requestJson = request.ToJsonString();
var httpContent = new StringContent(requestJson, Encoding.UTF8, "application/json");
Uri uri = new Uri(exposureDataCollectServerEndpoint);
HttpResponseMessage response = await _httpClient.PutAsync(uri, httpContent);
if (response.IsSuccessStatusCode)
{
var responseJson = await response.Content.ReadAsStringAsync();
_loggerService.Debug($"{responseJson}");
}
else
{
_loggerService.Info($"UploadExposureDataAsync {response.StatusCode}");
}
}
finally
{
_loggerService.EndMethod();
}
}
private async Task <ExposureConfiguration> GetExposureConfigurationInternalAsync()
{
_loggerService.StartMethod();
ExposureConfiguration currentExposureConfiguration = null;
if (File.Exists(_currentExposureConfigurationPath))
{
_loggerService.Debug("ExposureConfiguration file is found.");
try
{
string exposureConfigurationAsJson = await LoadAsync(_currentExposureConfigurationPath);
currentExposureConfiguration = JsonConvert.DeserializeObject <ExposureConfiguration>(exposureConfigurationAsJson);
_loggerService.Info("Cached:" + exposureConfigurationAsJson);
if (!IsDownloadedExposureConfigurationOutdated(AppConstants.ExposureConfigurationFileDownloadCacheRetentionDays))
{
_loggerService.EndMethod();
return(currentExposureConfiguration);
}
else
{
_loggerService.Info($"ExposureConfiguration is found but the file is outdated.");
}
}
catch (IOException exception)
{
_loggerService.Exception("IOException. ExposureConfiguration file has been deleted.", exception);
RemoveExposureConfigurationInternal();
}
catch (JsonException exception)
{
_loggerService.Exception("JsonException. ExposureConfiguration file has been deleted.", exception);
RemoveExposureConfigurationInternal();
}
}
// Cache not exist (first time. probably...)
if (currentExposureConfiguration is null)
{
currentExposureConfiguration = CreateDefaultConfiguration();
SetExposureConfigurationDownloadedDateTime(_dateTimeUtility.UtcNow);
SetIsDiagnosisKeysDataMappingConfigurationUpdated(true);
}
await _serverConfigurationRepository.LoadAsync();
string url = _serverConfigurationRepository.ExposureConfigurationUrl;
ExposureConfiguration newExposureConfiguration = null;
var response = await _httpClient.GetAsync(url);
if (response.IsSuccessStatusCode)
{
string exposureConfigurationAsJson = await response.Content.ReadAsStringAsync();
try
{
newExposureConfiguration = JsonConvert.DeserializeObject <ExposureConfiguration>(exposureConfigurationAsJson);
_loggerService.Info("Downloaded:" + exposureConfigurationAsJson);
SetExposureConfigurationDownloadedDateTime(_dateTimeUtility.UtcNow);
}
catch (JsonException exception)
{
_loggerService.Exception("JsonException.", exception);
}
}
else
{
_loggerService.Warning($"Download ExposureConfiguration failed from {url}");
}
if (newExposureConfiguration is null)
{
_loggerService.EndMethod();
return(currentExposureConfiguration);
}
if (IsUpdatedDiagnosisKeysDataMapping(currentExposureConfiguration, newExposureConfiguration))
{
if (IsExposureConfigurationOutdated(AppConstants.MinimumDiagnosisKeysDataMappingApplyIntervalDays))
{
currentExposureConfiguration = newExposureConfiguration;
SetIsDiagnosisKeysDataMappingConfigurationUpdated(true);
}
else
{
_loggerService.Info($"DiagnosisKeysDataMappingConfig has been changed but not updated, because current configuration is updated in {AppConstants.MinimumDiagnosisKeysDataMappingApplyIntervalDays} days.");
}
}
else
{
currentExposureConfiguration = newExposureConfiguration;
}
string tmpFilePath = Path.Combine(_configDir, Guid.NewGuid().ToString());
try
{
await SaveAsync(
JsonConvert.SerializeObject(currentExposureConfiguration, Formatting.Indented),
tmpFilePath
);
Swap(tmpFilePath, _currentExposureConfigurationPath);
return(currentExposureConfiguration);
}
finally
{
File.Delete(tmpFilePath);
_loggerService.EndMethod();
}
}
private async Task InternalExposureDetectionAsync(CancellationTokenSource cancellationTokenSource = null)
{
bool isEnabled = await _exposureNotificationApiService.IsEnabledAsync();
if (!isEnabled)
{
_loggerService.Info($"EN API is not enabled.");
return;
}
IEnumerable <int> statuseCodes = await _exposureNotificationApiService.GetStatusCodesAsync();
bool isActivated = statuseCodes.Contains(ExposureNotificationStatus.Code_Android.ACTIVATED)
| statuseCodes.Contains(ExposureNotificationStatus.Code_iOS.Active);
if (!isActivated)
{
_loggerService.Info($"EN API is not ACTIVATED.");
return;
}
var cancellationToken = cancellationTokenSource?.Token ?? default(CancellationToken);
await _serverConfigurationRepository.LoadAsync();
bool canConfirmExposure = true;
bool isMaxPerDayExposureDetectionAPILimitReached = false;
foreach (var region in _serverConfigurationRepository.Regions)
{
_loggerService.Info($"Region: {region}");
var diagnosisKeyListProvideServerUrl = _serverConfigurationRepository.GetDiagnosisKeyListProvideServerUrl(region);
_loggerService.Info($"diagnosisKeyListProvideServerUrl: {diagnosisKeyListProvideServerUrl}");
List <string> downloadedFileNameList = new List <string>();
try
{
var tmpDir = PrepareDir(region);
var(httpStatus, diagnosisKeyEntryList) = await _diagnosisKeyRepository.GetDiagnosisKeysListAsync(
diagnosisKeyListProvideServerUrl,
cancellationToken
);
if (httpStatus != HttpStatusCode.OK)
{
_loggerService.Info($"URL: {diagnosisKeyListProvideServerUrl}, Response StatusCode: {httpStatus}");
canConfirmExposure = false;
continue;
}
var lastProcessTimestamp = await _userDataRepository.GetLastProcessDiagnosisKeyTimestampAsync(region);
_loggerService.Info($"Region: {region}, lastProcessTimestamp: {lastProcessTimestamp}");
var targetDiagnosisKeyEntryList = FilterDiagnosisKeysAfterLastProcessTimestamp(diagnosisKeyEntryList, lastProcessTimestamp);
if (targetDiagnosisKeyEntryList.Count() == 0)
{
_loggerService.Info($"No new diagnosis-key found on {diagnosisKeyListProvideServerUrl}");
continue;
}
_loggerService.Info($"{targetDiagnosisKeyEntryList.Count()} new keys found.");
foreach (var diagnosisKeyEntry in targetDiagnosisKeyEntryList)
{
string filePath = await _diagnosisKeyRepository.DownloadDiagnosisKeysAsync(diagnosisKeyEntry, tmpDir, cancellationToken);
_loggerService.Info($"URL {diagnosisKeyEntry.Url} have been downloaded.");
downloadedFileNameList.Add(filePath);
}
var downloadedFileNames = string.Join("\n", downloadedFileNameList);
_loggerService.Debug(downloadedFileNames);
await _exposureNotificationApiService.ProvideDiagnosisKeysAsync(
downloadedFileNameList,
cancellationTokenSource
);
// Save LastProcessDiagnosisKeyTimestamp after ProvideDiagnosisKeysAsync was succeeded.
var latestProcessTimestamp = targetDiagnosisKeyEntryList
.Select(diagnosisKeyEntry => diagnosisKeyEntry.Created)
.Max();
await _userDataRepository.SetLastProcessDiagnosisKeyTimestampAsync(region, latestProcessTimestamp);
_userDataRepository.SetLastConfirmedDate(_dateTimeUtility.UtcNow);
_userDataRepository.SetCanConfirmExposure(true);
_userDataRepository.SetIsMaxPerDayExposureDetectionAPILimitReached(isMaxPerDayExposureDetectionAPILimitReached);
}
catch (ENException exception)
{
canConfirmExposure = false;
isMaxPerDayExposureDetectionAPILimitReached = CheckMaxPerDayExposureDetectionAPILimitReached(exception);
_loggerService.Exception($"ENExcepiton occurred, Code:{exception.Code}, Message:{exception.Message}", exception);
throw;
}
catch (Exception exception)
{
canConfirmExposure = false;
_loggerService.Exception($"Exception occurred: {region}", exception);
throw;
}
finally
{
RemoveFiles(downloadedFileNameList);
_userDataRepository.SetCanConfirmExposure(canConfirmExposure);
_userDataRepository.SetIsMaxPerDayExposureDetectionAPILimitReached(isMaxPerDayExposureDetectionAPILimitReached);
}
}
}
private async Task <V1ExposureRiskCalculationConfiguration> GetExposureRiskCalculationConfigurationInternalAsync(bool preferCache)
{
_loggerService.StartMethod();
V1ExposureRiskCalculationConfiguration currentConfiguration = null;
if (File.Exists(_currentPath))
{
_loggerService.Debug("ExposureConfiguration file is found.");
try
{
string exposureRiskCalculationConfigurationAsJson = await LoadAsync(_currentPath);
currentConfiguration = JsonConvert.DeserializeObject <V1ExposureRiskCalculationConfiguration>(exposureRiskCalculationConfigurationAsJson);
}
catch (IOException exception)
{
_loggerService.Exception("IOException. ExposureRiskCalculationConfiguration file has been deleted.", exception);
RemoveExposureRiskCalculationConfiguration();
}
catch (JsonException exception)
{
_loggerService.Exception("JsonException. ExposureRiskCalculationConfiguration file has been deleted.", exception);
RemoveExposureRiskCalculationConfiguration();
}
}
if (currentConfiguration is null)
{
currentConfiguration = CreateDefaultConfiguration();
}
else if (preferCache)
{
_loggerService.EndMethod();
return(currentConfiguration);
}
await _serverConfigurationRepository.LoadAsync();
string url = _serverConfigurationRepository.ExposureRiskCalculationConfigurationUrl;
V1ExposureRiskCalculationConfiguration newExposureRiskCalculationConfiguration = null;
try
{
var response = await _httpClient.GetAsync(url);
if (response.IsSuccessStatusCode)
{
string exposureRiskCalculationConfigurationAsJson = await response.Content.ReadAsStringAsync();
_loggerService.Debug(exposureRiskCalculationConfigurationAsJson);
newExposureRiskCalculationConfiguration
= JsonConvert.DeserializeObject <V1ExposureRiskCalculationConfiguration>(exposureRiskCalculationConfigurationAsJson);
}
else
{
_loggerService.Warning($"Download ExposureRiskCalculationConfiguration failed from {url}");
}
}
catch (JsonException exception)
{
_loggerService.Exception("JsonException.", exception);
}
catch (HttpRequestException exception)
{
_loggerService.Exception("HttpRequestException.", exception);
}
if (newExposureRiskCalculationConfiguration is null)
{
_loggerService.EndMethod();
return(currentConfiguration);
}
if (newExposureRiskCalculationConfiguration.Equals(currentConfiguration))
{
_loggerService.Info("ExposureRiskCalculationConfiguration have not been changed.");
_loggerService.EndMethod();
return(currentConfiguration);
}
_loggerService.Info("ExposureRiskCalculationConfiguration have been changed.");
string tmpFilePath = Path.Combine(_configDir, Guid.NewGuid().ToString());
try
{
await SaveAsync(
JsonConvert.SerializeObject(newExposureRiskCalculationConfiguration, Formatting.Indented),
tmpFilePath
);
Swap(tmpFilePath, _currentPath);
return(newExposureRiskCalculationConfiguration);
}
finally
{
File.Delete(tmpFilePath);
_loggerService.EndMethod();
}
}