public static OpenXmlPowerToolsDocument Insert(OpenXmlPowerToolsDocument doc, IEnumerable <string> certificateList)
{
using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
{
using (Package package = streamDoc.GetPackage())
{
foreach (string digitalCertificate in certificateList)
{
X509Certificate x509Certificate = X509Certificate2.CreateFromCertFile(digitalCertificate);
PackageDigitalSignatureManager digitalSigntaureManager = new PackageDigitalSignatureManager(package);
digitalSigntaureManager.CertificateOption = CertificateEmbeddingOption.InSignaturePart;
System.Collections.Generic.List <Uri> partsToSign = new System.Collections.Generic.List <Uri>();
//Adds each part to the list, except relationships parts.
foreach (PackagePart openPackagePart in package.GetParts())
{
if (!PackUriHelper.IsRelationshipPartUri(openPackagePart.Uri))
{
partsToSign.Add(openPackagePart.Uri);
}
}
List <PackageRelationshipSelector> relationshipSelectors = new List <PackageRelationshipSelector>();
//Creates one selector for each package-level relationship, based on id
foreach (PackageRelationship relationship in package.GetRelationships())
{
PackageRelationshipSelector relationshipSelector =
new PackageRelationshipSelector(relationship.SourceUri, PackageRelationshipSelectorType.Id, relationship.Id);
relationshipSelectors.Add(relationshipSelector);
}
digitalSigntaureManager.Sign(partsToSign, x509Certificate, relationshipSelectors);
}
}
return(streamDoc.GetModifiedDocument());
}
}
public static void Sign(Package package, X509Certificate2 certificate)
{
var dsm = new PackageDigitalSignatureManager(package)
{
CertificateOption = CertificateEmbeddingOption.InSignaturePart
};
List <Uri> parts = package.GetParts()
.Select(part => part.Uri)
.Where(uri => !PackUriHelper.IsRelationshipPartUri(uri))
.ToList();
dsm.Sign(parts, certificate);
}
public void IsRelationshipPartUriTest2()
{
Uri uri = new Uri("/test/uri", UriKind.Relative);
PackUriHelper.IsRelationshipPartUri(uri);
}
public void IsRelationshipPartUriTest()
{
Assert.IsFalse(PackUriHelper.IsRelationshipPartUri(new Uri("/_rels/Whatever", UriKind.Relative)));
Assert.IsTrue(PackUriHelper.IsRelationshipPartUri(new Uri("/_rels/Whatever.rels", UriKind.Relative)));
}
