public Task InvokeAsync(HttpContext context, RequestDelegate next)
{
var baseDomain = context.Request.Scheme + "://" + context.Request.Host + "/";
var nodes = new List <SitemapNode>();
var pages = _actionDescriptorCollectionProvider.ActionDescriptors.Items.Where(x => x is PageActionDescriptor);
foreach (PageActionDescriptor page in pages)
{
if (_options.IgnorePathsEndingInIndex && page.ViewEnginePath.EndsWith("/index"))
{
continue;
}
if (_ignoreExpression != null && _ignoreExpression.IsMatch(page.ViewEnginePath))
{
continue;
}
var node = new SitemapNode(baseDomain + page.AttributeRouteInfo.Template);
if (_options.BaseLastModOnLastModifiedTimeOnDisk)
{
if (_razorProject.GetItem(page.RelativePath) is FileProviderRazorProjectItem rpi)
{
node.LastModified = rpi.FileInfo.LastModified.ToUniversalTime().DateTime;
}
}
nodes.Add(node);
}
var sitemap = new Sitemap()
{
Nodes = nodes
};
context.Response.ContentType = "application/xml";
var serializer = new XmlSerializer(typeof(Sitemap));
serializer.Serialize(context.Response.Body, sitemap);
return(Task.CompletedTask);
}
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
var baseDomain = context.Request.Scheme + "://" + context.Request.Host;
var nodes = new HashSet <SitemapNode>();
var pages = _actionDescriptorCollectionProvider.ActionDescriptors.Items.Where(x => x is PageActionDescriptor);
foreach (PageActionDescriptor page in pages)
{
if (_options.IgnorePathsEndingInIndex && page.AttributeRouteInfo.Template.EndsWith("index", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (_ignoreExpression?.IsMatch(page.ViewEnginePath) == true)
{
continue;
}
var newNodes = new List <SitemapNode>();
// add any dynamic nodes
foreach (var provider in _routeParamProviders)
{
if (await provider.CanSupplyParamsForPageAsync(page.ViewEnginePath))
{
foreach (var routeParams in await provider.GetRouteParamsAsync())
{
var node = new SitemapNode(baseDomain + _linkGenerator.GetPathByPage(page.ViewEnginePath, null, routeParams));
newNodes.Add(node);
}
}
}
// add node if we didn't add any dynamic ones
if (newNodes.Count == 0)
{
var node = new SitemapNode(baseDomain + _linkGenerator.GetPathByPage(page.ViewEnginePath));
newNodes.Add(node);
}
foreach (var node in nodes)
{
if (_options.BaseLastModOnLastModifiedTimeOnDisk)
{
var rpi = _razorProjectFileSystem.GetItem(page.RelativePath, null);
if (rpi.Exists)
{
node.LastModified = new FileInfo(rpi.PhysicalPath).LastWriteTimeUtc;
}
}
}
foreach (var node in newNodes)
{
nodes.Add(node);
}
}
var sitemap = new Sitemap()
{
Nodes = nodes.ToList()
};
context.Response.ContentType = "application/xml";
//writing synchronously to the response body is not supported by asp.net
//so we write to a memory stream first, which does support writing back asynchronously
var serializer = new XmlSerializer(typeof(Sitemap));
using var ms = new MemoryStream();
serializer.Serialize(ms, sitemap);
ms.Position = 0;
await ms.CopyToAsync(context.Response.Body);
}