/// <summary>
/// Find default static files by context and pipeline.
/// </summary>
/// <param name="actionContext"></param>
/// <param name="pipeline"></param>
/// <returns></returns>
protected virtual DefaultStaticFiles GetDefaultStaticFiles(ActionContext actionContext,
IReusablePipeline pipeline)
{
var controllerActionDescriptor = actionContext.ActionDescriptor as ControllerActionDescriptor;
List <string> noStaticFileTypes = null;
if (controllerActionDescriptor != null)
{
var methodAttributes = controllerActionDescriptor.MethodInfo
.GetCustomAttributes <NoDefaultStaticFilesAttribute>()?.ToList();
if (methodAttributes?.Any() == true)
{
noStaticFileTypes = methodAttributes.Where(t => t.FileTypes != null).SelectMany(t => t.FileTypes)
.ToList();
}
else
{
var controllerAttributes = controllerActionDescriptor.ControllerTypeInfo
.GetCustomAttributes <NoDefaultStaticFilesAttribute>()?.ToList();
if (controllerAttributes?.Any() == true)
{
noStaticFileTypes = controllerAttributes.Where(t => t.FileTypes != null)
.SelectMany(t => t.FileTypes).ToList();
}
}
}
var controllerName = (actionContext.RouteData.Values["controller"] as string)?.ToLower();
var viewName = (actionContext.HttpContext.Items[_options.Value.ViewNameHttpContextItemKey] as string)
?.ToLower();
var defaultStaticFileLocations = new List <string>();
if (pipeline != null)
{
var pipelinePath = _pipelineDecisionTree.GetPipelinePath(pipeline);
defaultStaticFileLocations.AddRange(pipelinePath.SelectMany(p =>
p.GetStaticFilesRelativeLocations(actionContext, viewName)));
}
if (!string.IsNullOrEmpty(_options.Value.DefaultStaticFileLocation))
{
defaultStaticFileLocations.Add($"{controllerName}/{viewName}");
}
var f = new DefaultStaticFiles();
var fileTypes = new[] { "css", "js" };
foreach (var type in fileTypes)
{
foreach (var l in defaultStaticFileLocations.Select(t1 => t1.Replace("//", "/").ToLower()))
{
if (noStaticFileTypes?.Contains(type) != true &&
_fileProvider.GetFileInfo($"wwwroot/{type}/{l}{_minifySuffix}.{type}").Exists)
{
f[type] = $"/{type}/{l}{_minifySuffix}.{type}";
break;
}
}
}
return(f);
}
public virtual async Task Invoke(HttpContext httpContext)
{
var deepestDepth = 0;
IPipeline pipeline = null;
if (_pipelineCollectionAccessor.Pipelines?.Any() == true)
{
foreach (var p in _pipelineCollectionAccessor.Pipelines)
{
if (await p.ResolveAsync(httpContext))
{
var depth = _decisionTree.GetPipelinePath(p).Count;
if (depth > deepestDepth)
{
pipeline = p;
deepestDepth = depth;
}
}
}
}
if (pipeline != null)
{
httpContext.Items[_options.Value.PipelineHttpContextItemKey] = pipeline;
_logger.LogInformation(InformationEventId, $"Resolved pipeline: {pipeline.Name}");
var requestDelegate = _pipelines.GetOrAdd(pipeline,
new Lazy <RequestDelegate>(() =>
{
var builder = _app.New();
Task.WaitAll(pipeline.ConfigurePipeline(builder));
builder.Run(_next);
return(builder.Build());
}));
await requestDelegate.Value(httpContext);
}
else
{
if (_defaultRequestDelegate == null && _defaultPipelineConfiguration != null)
{
var builder = _app.New();
_defaultPipelineConfiguration(builder);
builder.Run(_next);
_defaultRequestDelegate = builder.Build();
}
await(_defaultRequestDelegate ?? _next)(httpContext);
}
}
/// <inheritdoc />
/// <summary>
/// <para>The cases of controller and view part in view location are case sensitive, and same as the original name.</para>
/// <para>e.g. The part of 'ProductController' in view location is 'Product'</para>
/// <para>e.g. The part of view name 'Partial/Index' in view location is 'Partial/Index'</para>
/// </summary>
public virtual IEnumerable <string> ExpandViewLocations(ViewLocationExpanderContext context,
IEnumerable <string> viewLocations)
{
if (context.ActionContext.HttpContext.GetPipeline() is IReusablePipeline pipeline)
{
var pipelinePath = _pipelineDecisionTree.GetPipelinePath(pipeline);
//main view
var tmpViewLocations = pipelinePath.SelectMany(p => p.GetSharedViewLocations(context)).ToList();
if (!string.IsNullOrEmpty(_options.Value.DefaultViewLocation))
{
tmpViewLocations.Add(_options.Value.DefaultViewLocation);
}
//shared view
tmpViewLocations.AddRange(pipelinePath.SelectMany(t => t.GetSharedViewLocations(context)));
if (!string.IsNullOrEmpty(_options.Value.DefaultLayoutLocation))
{
tmpViewLocations.Add(_options.Value.DefaultLayoutLocation);
}
viewLocations = tmpViewLocations.Concat(viewLocations).Distinct();
}
return(viewLocations);
}
public virtual void ChangeRouteDataToLocatedAction(RouteContext context, ReusablePipeline pipeline)
{
var uri = context.HttpContext.Request.Path.Value.Trim('/');
var controllerName = context.RouteData.Values["controller"].ToString();
var targetPipeline = _pipelineActions.GetOrAdd(pipeline,
t => new ConcurrentDictionary <string, ConcurrentDictionary <string, IPipeline> >(StringComparer.OrdinalIgnoreCase))
.GetOrAdd(controllerName, t => new ConcurrentDictionary <string, IPipeline>(StringComparer.OrdinalIgnoreCase))
.GetOrAdd(uri, t1 =>
{
var pipelinePath = _pipelineDecisionTree.GetPipelinePath(pipeline);
foreach (var p in pipelinePath)
{
var fullControllerNames = p.GetControllerFullnames(context);
foreach (var fullControllerName in fullControllerNames)
{
if (_controllerActionUris.TryGetValue(fullControllerName, out var uris))
{
if (uris.Contains(uri, StringComparer.OrdinalIgnoreCase))
{
return(p);
}
}
}
}
return(null);
});
if (string.IsNullOrEmpty(targetPipeline?.Name))
{
context.RouteData.Values.Remove(_options.Value.PipelineNameRouteDataKey);
}
else
{
context.RouteData.Values[_options.Value.PipelineNameRouteDataKey] = targetPipeline.Name.ToLower();
}
}