public CachedFile(FileResponse.Buffered response, HttpResponse gzippedResponse)
{
Response = response;
LastModified = response.LastModified;
ContentType = response.ContentType;
GZippedResponse = gzippedResponse;
}
public HttpResponse Handle(IHttpRequest req)
{
var requestedFilename = HttpUtility.UrlDecode(req.Path.Substring(reqPathFilenameStartIndex));
var absFilename = Path.GetFullPath(Path.Combine(directory, requestedFilename));
if (!absFilename.StartsWith(directory))
{
return(Forbidden);
}
var fileInfo = new FileInfo(absFilename);
if (!fileInfo.Exists) // cached but deleted
{
return(NotFound);
}
DateTime ifModifiedSince;
CachedFile cachedFile;
HttpResponse response;
if (req.TryGetIfLastModifiedSince(out ifModifiedSince) && fileInfo.LastWriteTimeUtc <= ifModifiedSince)
{
// Remote client (browser) has a valid cached copy (we may not have it in cache yet though eg. server restarted)
response = new HttpResponse(HttpStatusCode.NotModified, MimeMapping.GetMimeMapping(fileInfo.Name));
}
else if (cache.TryGetValue(absFilename, out cachedFile) && fileInfo.LastWriteTimeUtc <= cachedFile.LastModified)
{
// Dictionary cached copy is still valid
response = req.IsAcceptGZip() ? cachedFile.GZippedResponse : cachedFile.Response;
}
else
{
// Load fresh from disk
if (fileInfo.Length <= maxFileLengthToCache)
{
var fileResponse = new FileResponse.Buffered(fileInfo);
var gzippedFileResponse = gzipFunc(fileResponse);
cache[absFilename] = new CachedFile(fileResponse, gzippedFileResponse);
response = req.IsAcceptGZip() ? gzippedFileResponse : fileResponse;
}
else
{
response = new FileResponse.Stream(fileInfo);
}
}
return(response);
}
public HttpResponse Handle(IHttpRequest req)
{
var requestedFilename = HttpUtility.UrlDecode(req.Path.Substring(reqPathFilenameStartIndex));
var absFilename = Path.GetFullPath(Path.Combine(directory, requestedFilename));
if (!absFilename.StartsWith(directory))
{
return Forbidden;
}
var fileInfo = new FileInfo(absFilename);
if (!fileInfo.Exists) // cached but deleted
{
return NotFound;
}
DateTime ifModifiedSince;
CachedFile cachedFile;
HttpResponse response;
if (req.TryGetIfLastModifiedSince(out ifModifiedSince) && fileInfo.LastWriteTimeUtc <= ifModifiedSince)
{
// Remote client (browser) has a valid cached copy (we may not have it in cache yet though eg. server restarted)
response = new HttpResponse(HttpStatusCode.NotModified, MimeMapping.GetMimeMapping(fileInfo.Name));
}
else if (cache.TryGetValue(absFilename, out cachedFile) && fileInfo.LastWriteTimeUtc <= cachedFile.LastModified)
{
// Dictionary cached copy is still valid
response = req.IsAcceptGZip() ? cachedFile.GZippedResponse : cachedFile.Response;
}
else
{
// Load fresh from disk
if (fileInfo.Length <= maxFileLengthToCache)
{
var fileResponse = new FileResponse.Buffered(fileInfo);
var gzippedFileResponse = gzipFunc(fileResponse);
cache[absFilename] = new CachedFile(fileResponse, gzippedFileResponse);
response = req.IsAcceptGZip() ? gzippedFileResponse : fileResponse;
}
else
{
response = new FileResponse.Stream(fileInfo);
}
}
return response;
}
