/// <summary>
/// Actual OBAService code is invoked here
/// </summary>
/// <param name="cancellationToken">token that represents a cancel</param>
/// <returns>task that runs OBAService</returns>
private async Task RunAsync(CancellationToken cancellationToken)
{
bool enableAzureSettingsReaderTracing = false;
ISettingsReader settingsReader = new AzureSettingsReader(enableAzureSettingsReaderTracing);
// use the normal azure settings reader to fetch the OBA app id, the OBA cert, and the key vault uri
string aadAppId = settingsReader.ReadValue("AADOBAAppId");
string obaCertThumbprint = settingsReader.ReadValue("OBACertThumbprint");
string keyVaultUri = settingsReader.ReadValue("KeyVaultUri");
// create a key vault settings reader to read secrets
ICertificateHelper certHelper = new CertificateHelper(obaCertThumbprint, aadAppId, StoreLocation.LocalMachine);
IKeyVaultClient kvClient = new AzureKeyVaultClient(certHelper);
var log = new Log(LogDestination.Debug, Log.DefaultCategoryName);
var kv = new KV(log, aadAppId, keyVaultUri, obaCertThumbprint, StoreLocation.LocalMachine, kvClient);
var kvr = new KVSettingsReader(settingsReader, kv);
// get all the settings
string azureStorageConnectionString = await kvr.ReadValueAsync("AzureStorageConnectionString");
string obaApiKey = await kvr.ReadValueAsync("OBAApiKey");
string obaRegionsListUri = await kvr.ReadValueAsync("OBARegionsListUri");
Uri embeddedSocialUri = new Uri(await kvr.ReadValueAsync("EmbeddedSocialUri"));
string embeddedSocialAppKey = await kvr.ReadValueAsync("EmbeddedSocialAppKey");
string embeddedSocialAdminUserHandle = await kvr.ReadValueAsync("EmbeddedSocialAdminUserHandle");
string aadTenantId = await kvr.ReadValueAsync("AADTenantId");
string aadAppHomePage = await kvr.ReadValueAsync("AADOBAHomePage");
string sendGridEmailAddr = await kvr.ReadValueAsync("SendGridEmailAddr");
string sendGridKey = await kvr.ReadValueAsync("SendGridKey");
while (!cancellationToken.IsCancellationRequested)
{
// create a runId
string runId = RunId.GenerateRunId();
// setup email
Email email = new Email();
email.To = new List <string>()
{
sendGridEmailAddr
};
email.Add(runId);
email.Add(embeddedSocialUri);
try
{
// obtain an AAD token using a cert from the local store for the current user
AADSettings aadSettings = new AADSettings(aadTenantId, aadAppId, aadAppHomePage, obaCertThumbprint);
string embeddedSocialAADToken = await certHelper.GetAccessToken(aadSettings.Authority, aadSettings.AppUri);
// create all the managers
OBADownload.DownloadManager downloadManager = new OBADownload.DownloadManager(azureStorageConnectionString, runId, obaApiKey, obaRegionsListUri);
Diff.DiffManager diffManager = new Diff.DiffManager(azureStorageConnectionString, runId);
PublishToEmbeddedSocial.PublishManager publishManager = new PublishToEmbeddedSocial.PublishManager(azureStorageConnectionString, runId, embeddedSocialUri, embeddedSocialAppKey, embeddedSocialAADToken, embeddedSocialAdminUserHandle);
// initialize storage
await downloadManager.InitializeStorage();
await diffManager.InitializeStorage();
await publishManager.InitializeStorage();
// download routes and stops from OBA servers
await downloadManager.DownloadAndStore();
// add download metadata to email
StorageManager downloadMetadataManager = new StorageManager(azureStorageConnectionString, TableNames.TableType.DownloadMetadata, runId);
IEnumerable <DownloadMetadataEntity> downloadMetadata = downloadMetadataManager.DownloadMetadataStore.Get(runId);
email.Add(downloadMetadata);
// compare downloaded data to previously published data
await diffManager.DiffAndStore();
// add diff metadata to email
StorageManager diffMetadataManager = new StorageManager(azureStorageConnectionString, TableNames.TableType.DiffMetadata, runId);
IEnumerable <DiffMetadataEntity> diffMetadata = diffMetadataManager.DiffMetadataStore.Get(runId);
email.Add(diffMetadata);
// publish changes to Embedded Social
await publishManager.PublishAndStore();
// add publish metadata to email
StorageManager publishMetadataManager = new StorageManager(azureStorageConnectionString, TableNames.TableType.PublishMetadata, runId);
IEnumerable <PublishMetadataEntity> publishMetadata = publishMetadataManager.PublishMetadataStore.Get(runId);
email.Add(publishMetadata);
}
catch (Exception e)
{
// add the exception to email
email.Add(e);
// record it in diagnostic logs
Alerts.Error(e);
}
// remove the OBA key from the email
email.RemoveString(obaApiKey);
// send the email
await email.Send(sendGridKey);
// sleep for 24 hours
await Task.Delay(1000 * 60 * 60 * 24);
}
}