public Task Invoke(HttpContext context)
{
if (!string.IsNullOrEmpty(_options.FilePath))
{
var file = new Microsoft.Extensions.FileProviders.Physical.PhysicalFileInfo(
new System.IO.FileInfo(_options.FilePath));
context.Response.SendFileAsync(file);
return(Task.CompletedTask);
}
else
{
return(Task.CompletedTask);
}
}
/// <summary>
/// Locate a file at the given path by directly mapping path segments to physical directories.
/// </summary>
/// <param name="subpath">A path under the root directory</param>
/// <returns>The file information. Caller must check <see cref="IFileInfo.Exists"/> property. </returns>
public IFileInfo GetFileInfo(string subpath)
{
subpath = AdjustSubpath(subpath);
if (string.IsNullOrEmpty(subpath) || PathUtils.HasInvalidPathChars(subpath))
{
return(new NotFoundFileInfo(subpath));
}
// Relative paths starting with leading slashes are okay
subpath = subpath.TrimStart(PathSeparators);
// Absolute paths not permitted.
if (Path.IsPathRooted(subpath))
{
return(new NotFoundFileInfo(subpath));
}
var fullPath = GetFullPath(subpath);
if (fullPath == null)
{
return(new NotFoundFileInfo(subpath));
}
var fileInfo = new FileInfo(fullPath);
if (FileSystemInfoHelper.IsExcluded(fileInfo, _filters))
{
return(new NotFoundFileInfo(subpath));
}
var info = new PhysicalFileInfo(fileInfo);
return(info);
}
