private IEnumerable<Tuple<string, FileEntry>> EnumerateLocalEntries()
{
foreach (var directory in Directory.EnumerateFileSystemEntries(this._localPath, "*", SearchOption.AllDirectories))
{
var relativePath = directory.Substring(this._localPath.Length + 1).Replace('\\', '/');
var info = new FileInfo(directory);
var entry = new FileEntry
{
LocalLastModified = info.LastWriteTimeUtc,
IsDirectory = info.Attributes.HasFlag(FileAttributes.Directory)
};
if (IsExcluded(relativePath))
continue;
if (entry.IsDirectory)
continue;
yield return new Tuple<string, FileEntry>(relativePath, entry);
}
}
private void SyncBlobToLocal(HashSet<string> seen, HashSet<string> newCerts)
{
foreach (var blob in this._container.ListBlobs(new BlobRequestOptions { UseFlatBlobListing = true, BlobListingDetails = BlobListingDetails.Metadata }).OfType<CloudBlob>())
{
var path = blob.Uri.ToString().Substring(this._container.Uri.ToString().Length + 1);
var entry = new FileEntry { IsDirectory = blob.Metadata["IsDirectory"] == "true", CloudLastModified = blob.Properties.LastModifiedUtc };
seen.Add(path);
if (!this._entries.ContainsKey(path) || this._entries[path].CloudLastModified < entry.CloudLastModified)
{
if (entry.IsDirectory)
{
TryFiveTimes(() =>
{
Directory.CreateDirectory(Path.Combine(this._localPath, path));
});
}
else if (string.IsNullOrEmpty(Path.GetDirectoryName(path)) && Path.GetExtension(path).ToLowerInvariant() == ".pfx")
{
newCerts.Add(Path.GetFileNameWithoutExtension(path).ToLowerInvariant());
// don't actually download this, no need to have the cert sitting around on disk
this._entries[path] = entry;
}
else
{
if (Path.GetFileName(path).ToLowerInvariant() != "umbraco.config") // ignore umbraco.config
{
TryFiveTimes(() =>
{
Directory.CreateDirectory(Path.Combine(this._localPath, Path.GetDirectoryName(path)));
});
TryFiveTimes(() =>
{
using (var stream = File.Open(Path.Combine(this._localPath, path), FileMode.Create, FileAccess.Write, FileShare.ReadWrite | FileShare.Delete))
{
blob.DownloadToStream(stream);
}
});
}
}
TryFiveTimes(() =>
{
entry.LocalLastModified = new FileInfo(Path.Combine(this._localPath, path)).LastWriteTimeUtc;
});
this._entries[path] = entry;
}
}
//delete local entries that are not represented in blob storage
foreach (var path in this._entries.Keys.Where(k => !seen.Contains(k) && Path.GetFileName(k).ToLowerInvariant() != "umbraco.config").ToArray())
{
if (this._entries[path].IsDirectory)
{
TryFiveTimes(() =>
{
Directory.Delete(Path.Combine(this._localPath, path), true);
});
}
else
{
if (string.IsNullOrEmpty(Path.GetDirectoryName(path)) && Path.GetExtension(path).ToLowerInvariant() == ".pfx")
{
newCerts.Add(Path.GetFileNameWithoutExtension(path).ToLowerInvariant());
}
try
{
TryFiveTimes(() =>
{
File.Delete(Path.Combine(this._localPath, path));
});
}
catch
{
}
}
this._entries.Remove(path);
}
}
