public async Task <IActionResult> Approve(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "tasks/{taskId:guid}/approve")] HttpRequest req,
Guid taskId,
ClaimsPrincipal claimsPrincipal,
ILogger log)
{
if (!req.IsValidUser(AuthJanitorRoles.ServiceOperator, AuthJanitorRoles.GlobalAdmin))
{
return(new UnauthorizedResult());
}
log.LogInformation("Administrator approved Task ID {0}", taskId);
var task = await RekeyingTasks.GetAsync(taskId);
log.LogInformation("Registering incoming user credential...");
try { await RegisterUserCredential(req); }
catch (Exception ex)
{
var logger = new RekeyingAttemptLogger();
logger.LogCritical(ex, "Error registering user credential!");
task.Attempts.Add(logger);
await RekeyingTasks.UpdateAsync(task);
return(new BadRequestErrorMessageResult(ex.Message));
}
if (task.ConfirmationType == TaskConfirmationStrategies.AdminCachesSignOff)
{
var credential = CredentialProvider.Get(MultiCredentialProvider.CredentialType.UserCredential);
var persisted = await SecureStorageProvider.Persist <Azure.Core.AccessToken>(
credential.Expiry,
new Azure.Core.AccessToken(credential.AccessToken, credential.Expiry));
task.PersistedCredentialId = persisted;
task.PersistedCredentialUser = credential.Username;
await RekeyingTasks.UpdateAsync(task);
return(new OkResult());
}
else if (task.ConfirmationType == TaskConfirmationStrategies.AdminSignsOffJustInTime)
{
task.RekeyingInProgress = true;
await RekeyingTasks.UpdateAsync(task);
var aggregatedStringLogger = new RekeyingAttemptLogger(log)
{
UserDisplayName =
claimsPrincipal.FindFirst(ClaimTypes.GivenName)?.Value +
" " +
claimsPrincipal.FindFirst(ClaimTypes.Surname)?.Value,
UserEmail = claimsPrincipal.FindFirst(ClaimTypes.Email)?.Value
};
try
{
await ExecuteRekeyingWorkflow(task, aggregatedStringLogger);
task.RekeyingInProgress = false;
task.RekeyingCompleted = aggregatedStringLogger.IsSuccessfulAttempt;
task.RekeyingFailed = !aggregatedStringLogger.IsSuccessfulAttempt;
}
catch (Exception ex)
{
task.RekeyingInProgress = false;
task.RekeyingCompleted = false;
task.RekeyingFailed = true;
if (aggregatedStringLogger.OuterException == null)
{
aggregatedStringLogger.OuterException = JsonConvert.SerializeObject(ex, Formatting.Indented);
}
}
task.Attempts.Add(aggregatedStringLogger);
await RekeyingTasks.UpdateAsync(task);
if (task.RekeyingFailed)
{
return(new BadRequestErrorMessageResult(aggregatedStringLogger.OuterException));
}
else
{
return(new OkResult());
}
}
else
{
log.LogError("Task does not support an Administrator's approval!");
return(new BadRequestErrorMessageResult("Task does not support an Administrator's approval!"));
}
}
protected async Task <RekeyingAttemptLogger> ExecuteRekeyingWorkflow(RekeyingTask task, RekeyingAttemptLogger log = null)
{
if (log == null)
{
log = new RekeyingAttemptLogger();
}
MultiCredentialProvider.CredentialType credentialType;
if (task.ConfirmationType == TaskConfirmationStrategies.AdminCachesSignOff)
{
if (task.PersistedCredentialId == default)
{
log.LogError("Cached sign-off is preferred but no credentials were persisted!");
throw new Exception("Cached sign-off is preferred but no credentials were persisted!");
}
var token = await SecureStorageProvider.Retrieve <Azure.Core.AccessToken>(task.PersistedCredentialId);
CredentialProvider.Register(
MultiCredentialProvider.CredentialType.CachedCredential,
token.Token,
token.ExpiresOn);
credentialType = MultiCredentialProvider.CredentialType.CachedCredential;
}
else if (task.ConfirmationType == TaskConfirmationStrategies.AdminSignsOffJustInTime)
{
credentialType = MultiCredentialProvider.CredentialType.UserCredential;
}
else
{
credentialType = MultiCredentialProvider.CredentialType.AgentServicePrincipal;
}
log.LogInformation("Using credential type {0} to access resources", credentialType);
var secret = await ManagedSecrets.GetAsync(task.ManagedSecretId);
log.LogInformation("Beginning rekeying for ManagedSecret '{0}' (ID {1})", secret.Name, secret.ObjectId);
var resources = await Resources.GetAsync(r => secret.ResourceIds.Contains(r.ObjectId));
var workflow = new ProviderActionWorkflow(log,
resources.Select(r => GetProvider(log, r.ProviderType, r.ProviderConfiguration, credentialType)));
try
{
await workflow.InvokeAsync(secret.ValidPeriod);
secret.LastChanged = DateTimeOffset.UtcNow;
await ManagedSecrets.UpdateAsync(secret);
log.LogInformation("Completed rekeying workflow for ManagedSecret '{0}' (ID {1})", secret.Name, secret.ObjectId);
if (credentialType == MultiCredentialProvider.CredentialType.CachedCredential)
{
log.LogInformation("Destroying persisted credential");
await SecureStorageProvider.Destroy(task.PersistedCredentialId);
}
log.LogInformation("Rekeying task completed");
}
catch (Exception ex)
{
log.LogCritical(ex, "Error running rekeying task!");
log.LogCritical(ex.Message);
log.LogCritical(ex.StackTrace);
log.OuterException = JsonConvert.SerializeObject(ex, Formatting.Indented);
}
return(log);
}
