void LoadParts()
{
parts = new Dictionary <Uri, ZipPackagePart> (new UriComparer());
try
{
using (UnzipArchive archive = new UnzipArchive(PackageStream))
{
// Load the content type map file
XmlDocument doc = new XmlDocument();
using (Stream s = archive.GetStream(ContentUri))
doc.Load(s);
XmlNamespaceManager manager = new XmlNamespaceManager(doc.NameTable);
manager.AddNamespace("content", ContentNamespace);
// The file names in the zip archive are not prepended with '/'
foreach (string file in archive.GetFiles())
{
if (file.Equals(ContentUri, StringComparison.Ordinal))
{
continue;
}
XmlNode node;
CompressionOption compression = archive.GetCompressionLevel(file);
if (file == RelationshipUri.ToString().Substring(1))
{
CreatePartCore(RelationshipUri, RelationshipContentType, compression);
continue;
}
string xPath = string.Format("/content:Types/content:Override[@PartName='/{0}']", file);
node = doc.SelectSingleNode(xPath, manager);
if (node == null)
{
string ext = Path.GetExtension(file);
if (ext.StartsWith("."))
{
ext = ext.Substring(1);
}
xPath = string.Format("/content:Types/content:Default[@Extension='{0}']", ext);
node = doc.SelectSingleNode(xPath, manager);
}
// What do i do if the node is null? This means some has tampered with the
// package file manually
if (node != null)
{
CreatePartCore(new Uri("/" + file, UriKind.Relative), node.Attributes["ContentType"].Value, compression);
}
}
}
}
catch
{
// The archive is invalid - therefore no parts
}
}
void LoadParts()
{
parts = new Dictionary <Uri, ZipPackagePart>(new UriComparer());
try
{
PackageStream.Seek(0, SeekOrigin.Begin);
if (Archive == null)
{
Archive = ZipStorer.Open(PackageStream, FileAccess.Read, false);
}
List <ZipStorer.ZipFileEntry> dir = Archive.ReadCentralDir();
// Load the content type map file
XmlDocument doc = new XmlDocument();
var content = dir.FirstOrDefault(x => x.FilenameInZip == ContentUri);
using (var ms = new MemoryStream())
{
Archive.ExtractFile(content, ms);
ms.Seek(0, SeekOrigin.Begin);
doc.Load(ms);
}
XmlNamespaceManager manager = new XmlNamespaceManager(doc.NameTable);
manager.AddNamespace("content", ContentNamespace);
// The file names in the zip archive are not prepended with '/'
foreach (var file in dir)
{
if (file.FilenameInZip.Equals(ContentUri, StringComparison.Ordinal))
{
continue;
}
XmlNode node;
if (file.FilenameInZip == RelationshipUri.ToString().Substring(1))
{
CreatePartCore(RelationshipUri, RelationshipContentType, CompressionOption.Normal);
continue;
}
string xPath = string.Format("/content:Types/content:Override[@PartName='/{0}']", file);
node = doc.SelectSingleNode(xPath, manager);
if (node == null)
{
string ext = Path.GetExtension(file.FilenameInZip);
if (ext.StartsWith("."))
{
ext = ext.Substring(1);
}
xPath = string.Format("/content:Types/content:Default[@Extension='{0}']", ext);
node = doc.SelectSingleNode(xPath, manager);
}
// What do i do if the node is null? This means some has tampered with the
// package file manually
if (node != null)
{
CreatePartCore(new Uri("/" + file, UriKind.Relative), node.Attributes["ContentType"].Value,
CompressionOption.Normal);
}
}
}
catch
{
// The archive is invalid - therefore no parts
}
}
