/// <summary>
/// Returns the date and time the specified file or directory was last written to.
/// </summary>
/// <param name="path">Path to file.</param>
public override DateTime GetLastWriteTime(string path)
{
if (!this.Exists(path))
{
throw GetFileNotFoundException(path);
}
IS3ObjectInfo info = S3ObjectFactory.GetInfo(path);
if (Provider.ObjectExists(info))
{
return(S3ObjectInfoProvider.GetStringDateTime(info.GetMetadata(S3ObjectInfoProvider.LAST_WRITE_TIME)));
}
return(System.IO.File.GetLastAccessTime(path));
}
protected void Page_Load(object sender, EventArgs e)
{
string hash = QueryHelper.GetString("hash", string.Empty);
string path = QueryHelper.GetString("path", string.Empty);
// Validate hash
if (ValidationHelper.ValidateHash("?path=" + URLHelper.EscapeSpecialCharacters(path), hash, false))
{
if (path.StartsWithCSafe("~"))
{
path = Server.MapPath(path);
}
// Get file content from Amazon S3
IS3ObjectInfo obj = S3ObjectFactory.GetInfo(path);
// Check if blob exists
if (Provider.ObjectExists(obj))
{
// Clear response.
CookieHelper.ClearResponseCookies();
Response.Clear();
// Set the revalidation
SetRevalidation();
DateTime lastModified = S3ObjectInfoProvider.GetStringDateTime(obj.GetMetadata(S3ObjectInfoProvider.LAST_WRITE_TIME));
string etag = "\"" + lastModified.ToString() + "\"";
// Set correct response content type
SetResponseContentType(path);
// Client caching - only on the live site
if (AllowCache && AllowClientCache && ETagsMatch(etag, lastModified))
{
// Set the file time stamps to allow client caching
SetTimeStamps(lastModified);
RespondNotModified(etag, true);
return;
}
Stream stream = Provider.GetObjectContent(obj);
SetDisposition(Path.GetFileName(path), Path.GetExtension(path));
// Setup Etag property
ETag = etag;
if (AllowCache)
{
// Set the file time stamps to allow client caching
SetTimeStamps(lastModified);
Response.Cache.SetETag(etag);
}
else
{
SetCacheability();
}
// Send headers
Response.Flush();
Byte[] buffer = new Byte[StorageHelper.BUFFER_SIZE];
int bytesRead = stream.Read(buffer, 0, StorageHelper.BUFFER_SIZE);
// Copy data from blob stream to cache
while (bytesRead > 0)
{
// Write the data to the current output stream
Response.OutputStream.Write(buffer, 0, bytesRead);
// Flush the data to the output
Response.Flush();
// Read next part of data
bytesRead = stream.Read(buffer, 0, StorageHelper.BUFFER_SIZE);
}
stream.Close();
CompleteRequest();
}
else
{
NotFound();
}
}
else
{
URLHelper.Redirect(ResolveUrl("~/CMSMessages/Error.aspx?title=" + ResHelper.GetString("general.badhashtitle") + "&text=" + ResHelper.GetString("general.badhashtext")));
}
}