private async Task <IActionResult> GetResultAsync(HttpContext context, IFunctionExecutionFeature functionExecution)
{
if (functionExecution.Descriptor == null)
{
return(new NotFoundResult());
}
if (context.Request.IsColdStart() && !context.Items.ContainsKey(ScriptConstants.AzureFunctionsColdStartKey))
{
// for cold start requests we want to measure the request
// pipeline dispatch time
// important that this stopwatch is started as early as possible
// in the pipeline (in this case, in our first middleware)
var sw = new Stopwatch();
sw.Start();
context.Items[ScriptConstants.AzureFunctionsColdStartKey] = sw;
}
PopulateRouteData(context);
bool authorized = await AuthenticateAndAuthorizeAsync(context, functionExecution.Descriptor);
if (!authorized)
{
return(new UnauthorizedResult());
}
// If the function is disabled, return 'NotFound', unless the request is being made with Admin credentials
if (functionExecution.Descriptor.Metadata.IsDisabled() &&
!AuthUtility.PrincipalHasAuthLevelClaim(context.User, AuthorizationLevel.Admin))
{
return(new NotFoundResult());
}
if (functionExecution.CanExecute)
{
// Add the request to the logging scope. This allows the App Insights logger to
// record details about the request.
ILoggerFactory loggerFactory = context.RequestServices.GetService <ILoggerFactory>();
ILogger logger = loggerFactory.CreateLogger(LogCategories.CreateFunctionCategory(functionExecution.Descriptor.Name));
var scopeState = new Dictionary <string, object>()
{
[ScriptConstants.LoggerHttpRequest] = context.Request,
};
using (logger.BeginScope(scopeState))
{
var applicationLifetime = context.RequestServices.GetService <IApplicationLifetime>();
CancellationToken cancellationToken = applicationLifetime != null ? applicationLifetime.ApplicationStopping : CancellationToken.None;
await functionExecution.ExecuteAsync(context.Request, cancellationToken);
}
}
if (context.Items.TryGetValue(ScriptConstants.AzureFunctionsHttpResponseKey, out object result) && result is IActionResult actionResult)
{
return(actionResult);
}
return(new OkResult());
}
private async Task <IActionResult> GetResultAsync(HttpContext context, IFunctionExecutionFeature functionExecution)
{
if (functionExecution.Descriptor == null)
{
return(new NotFoundResult());
}
// Add route data to request info
// TODO: Keeping this here for now as other code depend on this property, but this can be done in the HTTP binding.
var routingFeature = context.Features.Get <IRoutingFeature>();
context.Items.Add(HttpExtensionConstants.AzureWebJobsHttpRouteDataKey, new Dictionary <string, object>(routingFeature.RouteData.Values));
bool authorized = await AuthenticateAndAuthorizeAsync(context, functionExecution.Descriptor);
if (!authorized)
{
return(new UnauthorizedResult());
}
// If the function is disabled, return 'NotFound', unless the request is being made with Admin credentials
if (functionExecution.Descriptor.Metadata.IsDisabled &&
!AuthUtility.PrincipalHasAuthLevelClaim(context.User, AuthorizationLevel.Admin))
{
return(new NotFoundResult());
}
if (functionExecution.CanExecute)
{
// Add the request to the logging scope. This allows the App Insights logger to
// record details about the request.
ILogger logger = _loggerFactory.CreateLogger(LogCategories.Function);
var scopeState = new Dictionary <string, object>()
{
[ScriptConstants.LoggerHttpRequest] = context.Request
};
using (logger.BeginScope(scopeState))
{
// TODO: Flow cancellation token from caller
await functionExecution.ExecuteAsync(context.Request, CancellationToken.None);
}
}
if (context.Items.TryGetValue(ScriptConstants.AzureFunctionsHttpResponseKey, out object result) && result is IActionResult actionResult)
{
return(actionResult);
}
return(new OkResult());
}
