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());
}
}
static void AddSignableItems(
PackageRelationship relationship,
List <Uri> partsToSign,
List <PackageRelationshipSelector> relationshipsToSign)
{
PackageRelationshipSelector selector =
new PackageRelationshipSelector(
relationship.SourceUri,
PackageRelationshipSelectorType.Id,
relationship.Id);
relationshipsToSign.Add(selector);
if (relationship.TargetMode == TargetMode.Internal)
{
PackagePart part = relationship.Package.GetPart(
PackUriHelper.ResolvePartUri(
relationship.SourceUri, relationship.TargetUri));
if (partsToSign.Contains(part.Uri) == false)
{
partsToSign.Add(part.Uri);
foreach (PackageRelationship childRelationship in
part.GetRelationships())
{
AddSignableItems(childRelationship,
partsToSign, relationshipsToSign);
}
}
}
}
static void CreateListOfSignableItems(PackageRelationship relationship, List <Uri> PartstobeSigned, List <PackageRelationshipSelector> SignableReleationships)
{
// This function adds the releation to SignableReleationships. And then it gets the part based on the releationship. Parts URI gets added to the PartstobeSigned list.
PackageRelationshipSelector selector = new PackageRelationshipSelector(relationship.SourceUri, PackageRelationshipSelectorType.Id, relationship.Id);
SignableReleationships.Add(selector);
if (relationship.TargetMode == TargetMode.Internal)
{
PackagePart part = relationship.Package.GetPart(PackUriHelper.ResolvePartUri(relationship.SourceUri, relationship.TargetUri));
if (PartstobeSigned.Contains(part.Uri) == false)
{
PartstobeSigned.Add(part.Uri);
// GetRelationships Function: Returns a Collection Of all the releationships that are owned by the part.
foreach (PackageRelationship childRelationship in part.GetRelationships())
{
CreateListOfSignableItems(childRelationship, PartstobeSigned, SignableReleationships);
}
}
}
}
private static void AddSignableItems(PackageRelationship relationship, ICollection <Uri> partsToSign, ICollection <PackageRelationshipSelector> relationshipsToSign)
{
var selector = new PackageRelationshipSelector(relationship.SourceUri, PackageRelationshipSelectorType.Id, relationship.Id);
relationshipsToSign.Add(selector);
if (relationship.TargetMode != TargetMode.Internal)
{
return;
}
var part = relationship.Package.GetPart(
PackUriHelper.ResolvePartUri(
relationship.SourceUri, relationship.TargetUri));
if (partsToSign.Contains(part.Uri))
{
return;
}
partsToSign.Add(part.Uri);
foreach (var childRelationship in part.GetRelationships())
{
AddSignableItems(childRelationship, partsToSign, relationshipsToSign);
}
}
private void CreateListOfSignableItems(PackageRelationship relationship, List <Uri> PartstobeSigned, List <PackageRelationshipSelector> SignableReleationships)
{
try
{
PackageRelationshipSelector packageRelationshipSelector = new PackageRelationshipSelector(relationship.SourceUri, PackageRelationshipSelectorType.Id, relationship.Id);
SignableReleationships.Add(packageRelationshipSelector);
if (relationship.TargetMode == TargetMode.Internal)
{
PackagePart part = relationship.Package.GetPart(PackUriHelper.ResolvePartUri(relationship.SourceUri, relationship.TargetUri));
if (!PartstobeSigned.Contains(part.Uri))
{
PartstobeSigned.Add(part.Uri);
foreach (PackageRelationship packageRelationship in part.GetRelationships())
{
this.CreateListOfSignableItems(packageRelationship, PartstobeSigned, SignableReleationships);
}
}
}
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
public void T044_PackageRelationshipSelectorFromPackage()
{
var docName = "plain.docx";
var ba = File.ReadAllBytes(docName);
const string DocumentRelationshipType = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument";
using (MemoryStream ms = new MemoryStream())
{
ms.Write(ba, 0, ba.Length);
using (Package package = Package.Open(ms, FileMode.Open))
{
var mainPartUri = new Uri("/", UriKind.Relative);
PackageRelationshipSelector prs = new PackageRelationshipSelector(mainPartUri, PackageRelationshipSelectorType.Type, DocumentRelationshipType);
var cnt = prs.Select(package).Count();
Assert.Equal(cnt, 1);
}
}
}
public void T045_PackageRelationshipSelectorFromPackageUsingId()
{
var docName = "plain.docx";
var ba = File.ReadAllBytes(docName);
using (MemoryStream ms = new MemoryStream())
{
ms.Write(ba, 0, ba.Length);
using (Package package = Package.Open(ms, FileMode.Open))
{
var mainPartUri = new Uri("/", UriKind.Relative);
PackageRelationshipSelector prs = new PackageRelationshipSelector(mainPartUri, PackageRelationshipSelectorType.Id, "rId1");
var cnt = prs.Select(package).Count();
Assert.Equal(cnt, 1);
}
}
}
public void T046_PackageRelationshipSelectorFromPartUsingId()
{
var docName = "plain.docx";
var ba = File.ReadAllBytes(docName);
const string DocumentRelationshipType = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument";
using (MemoryStream ms = new MemoryStream())
{
ms.Write(ba, 0, ba.Length);
using (Package package = Package.Open(ms, FileMode.Open))
{
PackageRelationship docPackageRelationship =
package
.GetRelationshipsByType(DocumentRelationshipType)
.FirstOrDefault();
if (docPackageRelationship != null)
{
Uri documentUri =
PackUriHelper
.ResolvePartUri(
new Uri("/", UriKind.Relative),
docPackageRelationship.TargetUri);
Assert.Throws<ArgumentNullException>(() => new PackageRelationshipSelector(null, PackageRelationshipSelectorType.Id, "rId1"));
Assert.Throws<ArgumentNullException>(() => new PackageRelationshipSelector(documentUri, PackageRelationshipSelectorType.Id, null));
PackageRelationshipSelector prs = new PackageRelationshipSelector(documentUri, PackageRelationshipSelectorType.Id, "rId1");
var cnt = prs.Select(package).Count();
Assert.Equal(cnt, 1);
}
}
}
}
public void T043_PackageRelationshipSelector()
{
var docName = "plain.docx";
var ba = TestFileLib.GetByteArray(docName);
const string StylesRelationshipType = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles";
using (MemoryStream ms = new MemoryStream())
{
ms.Write(ba, 0, ba.Length);
using (Package package = Package.Open(ms, FileMode.Open))
{
var mainPartUri = new Uri("/word/document.xml", UriKind.Relative);
PackageRelationshipSelector prs = new PackageRelationshipSelector(mainPartUri, PackageRelationshipSelectorType.Type, StylesRelationshipType);
var cnt = prs.Select(package).Count();
Assert.Equal(cnt, 1);
}
}
}
