public Task OnRequestExecutionAsync(RequestExecutingContext context, RequestExecutionDelegate next)
{
var request = context.GoContext.Request;
const string key = "access_token";
if (!request.Query.TryGetValue(key, out var values) || values == StringValues.Empty)
{
request.AddQuery(key, _options.DefaultAccessToken);
}
return(next());
}
public Task OnRequestExecutionAsync(RequestExecutingContext context, RequestExecutionDelegate next)
{
var request = context.GoContext.Request;
const string key = "Authorization";
if (!request.Headers.TryGetValue(key, out var values) || values == StringValues.Empty)
{
request.AddHeader(key, "Basic " + _options.AccessToken);
}
return(next());
}
private RequestExecutionDelegate GetRequestExecutionDelegate(object[] arguments)
{
var requestExecutingContext = new RequestExecutingContext(RequestContext, Interceptors, MappingArguments(arguments));
var requestExecutedContext = new RequestExecutedContext(RequestContext, Interceptors);
var requestInterceptors = Interceptors
.OfType <IAsyncRequestInterceptor>()
.ToArray();
IList <Func <RequestExecutionDelegate, RequestExecutionDelegate> > requestExecutions = new List <Func <RequestExecutionDelegate, RequestExecutionDelegate> >();
foreach (var interceptor in requestInterceptors)
{
requestExecutions.Add(next =>
{
return(async() =>
{
await interceptor.OnRequestExecutionAsync(requestExecutingContext, next);
if (requestExecutingContext.Result != null)
{
requestExecutedContext.Result = requestExecutingContext.Result;
}
return requestExecutedContext;
});
});
}
RequestExecutionDelegate requestInvoker = async() =>
{
try
{
requestExecutedContext.Result = await DoInvokeAsync();
}
catch (Exception e)
{
requestExecutedContext.ExceptionDispatchInfo = ExceptionDispatchInfo.Capture(e);
}
return(requestExecutedContext);
};
foreach (var func in requestExecutions.Reverse())
{
requestInvoker = func(requestInvoker);
}
return(requestInvoker);
}
public virtual async Task OnRequestExecutionAsync(RequestExecutingContext context, RequestExecutionDelegate next)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
OnRequestExecuting(context);
if (context.Result == null)
{
OnRequestExecuted(await next());
}
}
public Task OnRequestExecutionAsync(RequestExecutingContext context, RequestExecutionDelegate next)
{
return(_execution != null?_execution(context, next) : next());
}
