public async Task<ActionResult> Index(Message newMessage)
{
ModelState.Remove("NewMessage.MessageText");
var model = new MessageBoardModel();
ModelTrace = model.Trace;
ModelTrace.Add("");
try
{
await PrintServiceConfigurationSettingsAsync().ConfigureAwait(false);
StorageTableAccessor storageTable;
// 1. Get the storage secret from Key Vault
var storageAccountKey = await GetStorageAccountKeyAsync().ConfigureAwait(false);
// 2. Use the secret to connect to storage
storageTable = await GetStorageTableAsync(storageAccountKey).ConfigureAwait(false);
if (storageTable != null)
{
// 3. Store the data in the storage if new message is available
StoreUserDataInStorage(storageTable, newMessage);
// 4. Load data from the storage
model.RecentMessages = GetMessagesFromStorage(storageTable);
ModelTrace[0] = "Everything is working great :). Scroll down for details!\n";
}
}
catch(Exception e)
{
ModelTrace[0] = "Hmm...something went wrong :(. Scroll down for details!\n";
ModelTrace.Add("\n\nError details:\n" + e.ToString());
if(e.InnerException != null)
{
ModelTrace.Add("\n\nError details:\n" + e.InnerException.ToString());
}
}
return View(model);
}
public async Task<ActionResult> Index(Message newMessage)
{
ModelState.Remove("NewMessage.MessageText");
var model = new MessageBoardModel();
try
{
model.Trace.Add("");
//////////////////////////////
//Trace out the config settings
//////////////////////////////
model.Trace.Add("Configuration:");
model.Trace.Add("\tStorage account name: " + CloudConfigurationManager.GetSetting(Constants.StorageAccountNameSetting));
model.Trace.Add("\tStorage account key (URL to the Key Vault secret): " + CloudConfigurationManager.GetSetting(Constants.StorageAccountKeySecretUrlSetting));
model.Trace.Add("\tKey Vault client ID: " + CloudConfigurationManager.GetSetting(Constants.KeyVaultAuthClientIdSetting));
model.Trace.Add("\tKey Vault authentication certificate: " + CloudConfigurationManager.GetSetting(Constants.KeyVaultAuthCertThumbprintSetting) + "\n\n");
//////////////////////////////
//Load the auth cert
//////////////////////////////
model.Trace.Add("Processing: Finding Key Vault authentication certificate");
var cert = CertificateHelper.FindCertificateByThumbprint(CloudConfigurationManager.GetSetting(Constants.KeyVaultAuthCertThumbprintSetting));
if (cert == null)
{
model.Trace.Add("\tCould not find the certificate in the Local Machine's Personal certificate store.");
model.Trace.Add("\tTo import a certificate: right-click on the certificate, click Install Certificate, set Store Location to 'Local Machine', set Certificate store to 'Personal', and click finish.");
model.Trace.Add("\tDid you get the right thumbprint from your Operator? A certificate thumbprint can be found in the 'Details' tab of a certificate and should be added to the service configuration.");
model.Trace.Add("\tDid your Operator upload the certificate to the Azure portal for this service?");
return View(model);
}
model.Trace.Add("\tSuccess!\n");
//////////////////////////////
//Get the secret from Key Vault
//////////////////////////////
model.Trace.Add("Processing: Calling Key Vault Service to get storage account key");
string storageAccountKey = "";
try
{
storageAccountKey = await KeyVaultAccessor.GetSecret(CloudConfigurationManager.GetSetting(Constants.StorageAccountKeySecretUrlSetting));
}
catch
{
model.Trace.Add("\tCould not get the secret from Key Vault.");
model.Trace.Add("\tDid you get the right client ID?");
model.Trace.Add("\tDid you get the correct secret URI?");
model.Trace.Add("\tDid your Operator actually add the storage account key to Key Vault?");
throw;
}
model.Trace.Add("\tSuccess!\n");
//////////////////////////////
//Use the secret to connect to storage
//////////////////////////////
model.Trace.Add("Processing: Connecting to Azure Storage using the storage account key");
StorageTableAccessor storageTable;
try
{
var storageCred = new StorageCredentials(CloudConfigurationManager.GetSetting(Constants.StorageAccountNameSetting), storageAccountKey);
var storageAccount = new CloudStorageAccount(storageCred, false);
storageTable = new StorageTableAccessor(storageAccount);
}
catch
{
model.Trace.Add("\tCould not connect to Azure Storage.");
model.Trace.Add("\tDid you get the right secret URI?");
model.Trace.Add("\tDid your Operator add the right secret to Key Vault?");
model.Trace.Add("\tDid your Operator change the storage account key after saving it in Key Vault?");
throw;
}
model.Trace.Add("\tSuccess!\n");
//////////////////////////////
//Do something useful with storage
//////////////////////////////
if (newMessage != null && !string.IsNullOrWhiteSpace(newMessage.UserName) && !string.IsNullOrWhiteSpace(newMessage.MessageText))
{
model.Trace.Add("Processing: Save a new message to the storage table");
storageTable.AddEntry(newMessage);
model.Trace.Add("\tSuccess!\n");
}
model.Trace.Add("Processing: Retrieving recent messages from the storage table");
model.RecentMessages = new List<Message>(storageTable.GetRecentEntries());
model.Trace.Add("\tSuccess!\n");
model.Trace[0] = "Everything is working great :). Scroll down for details!\n";
}
catch(Exception e)
{
model.Trace[0] = "Hmm...something went wrong :(. Scroll down for details!\n";
model.Trace.Add("\n\nError details:\n" + e.ToString());
}
return View(model);
}
public MessageBoardModel()
{
NewMessage = new Message();
RecentMessages = new List <Message>();
Trace = new List <string>();
}
public MessageBoardModel()
{
NewMessage = new Message();
RecentMessages = new List<Message>();
Trace = new List<string>();
}
private void StoreUserDataInStorage(StorageTableAccessor storageTable, Message newMessage)
{
if (newMessage != null && !string.IsNullOrWhiteSpace(newMessage.UserName) && !string.IsNullOrWhiteSpace(newMessage.MessageText))
{
ModelTrace.Add("Processing: Save a new message to the storage table");
storageTable.AddEntry(newMessage);
ModelTrace.Add("\tSuccess!\n");
}
}
