protected virtual RazorSourceDocument CreateSourceDocument(PageActionDescriptor actionDescriptor)
{
var item = _project.GetItem(actionDescriptor.RelativePath);
if (item == null)
{
throw new InvalidOperationException($"file {actionDescriptor.RelativePath} was not found");
}
return(item.ToSourceDocument());
}
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);
}
// Validates that we can use an existing precompiled view by comparing checksums with files on
// disk.
public static bool IsItemValid(RazorProject project, RazorCompiledItem item)
{
if (project == null)
{
throw new ArgumentNullException(nameof(project));
}
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
var checksums = item.GetChecksumMetadata();
// The checksum that matches 'Item.Identity' in this list is significant. That represents the main file.
//
// We don't really care about the validation unless the main file exists. This is because we expect
// most sites to have some _ViewImports in common location. That means that in the case you're
// using views from a 3rd party library, you'll always have **some** conflicts.
//
// The presence of the main file with the same content is a very strong signal that you're in a
// development scenario.
var primaryChecksum = checksums
.FirstOrDefault(c => string.Equals(item.Identifier, c.Identifier, StringComparison.OrdinalIgnoreCase));
if (primaryChecksum == null)
{
// No primary checksum, assume valid.
return(true);
}
var projectItem = project.GetItem(primaryChecksum.Identifier);
if (!projectItem.Exists)
{
// Main file doesn't exist - assume valid.
return(true);
}
var sourceDocument = RazorSourceDocument.ReadFrom(projectItem);
if (!string.Equals(sourceDocument.GetChecksumAlgorithm(), primaryChecksum.ChecksumAlgorithm) ||
!ChecksumsEqual(primaryChecksum.Checksum, sourceDocument.GetChecksum()))
{
// Main file exists, but checksums not equal.
return(false);
}
for (var i = 0; i < checksums.Count; i++)
{
var checksum = checksums[i];
if (string.Equals(item.Identifier, checksum.Identifier, StringComparison.OrdinalIgnoreCase))
{
// Ignore primary checksum on this pass.
continue;
}
var importItem = project.GetItem(checksum.Identifier);
if (!importItem.Exists)
{
// Import file doesn't exist - assume invalid.
return(false);
}
sourceDocument = RazorSourceDocument.ReadFrom(importItem);
if (!string.Equals(sourceDocument.GetChecksumAlgorithm(), checksum.ChecksumAlgorithm) ||
!ChecksumsEqual(checksum.Checksum, sourceDocument.GetChecksum()))
{
// Import file exists, but checksums not equal.
return(false);
}
}
return(true);
}
