public void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if ((value.LocalName == XmlSignature.ElementNames.Signature) && (value.NamespaceURI == XmlSignature.NamespaceURI))
{
id = GetAttribute(value, XmlSignature.AttributeNames.Id);
// LAMESPEC: This library is totally useless against eXtensibly Marked-up document.
int i = NextElementPos(value.ChildNodes, 0, XmlSignature.ElementNames.SignedInfo, XmlSignature.NamespaceURI, true);
XmlElement sinfo = (XmlElement)value.ChildNodes [i];
info = new SignedInfo();
info.LoadXml(sinfo);
i = NextElementPos(value.ChildNodes, ++i, XmlSignature.ElementNames.SignatureValue, XmlSignature.NamespaceURI, true);
XmlElement sigValue = (XmlElement)value.ChildNodes [i];
signature = Convert.FromBase64String(sigValue.InnerText);
// signature isn't required: <element ref="ds:KeyInfo" minOccurs="0"/>
i = NextElementPos(value.ChildNodes, ++i, XmlSignature.ElementNames.KeyInfo, XmlSignature.NamespaceURI, false);
if (i > 0)
{
XmlElement kinfo = (XmlElement)value.ChildNodes [i];
key = new KeyInfo();
key.LoadXml(kinfo);
}
XmlNodeList xnl = value.SelectNodes("xd:Object", dsigNsmgr);
foreach (XmlElement xn in xnl)
{
DataObject obj = new DataObject();
obj.LoadXml(xn);
AddObject(obj);
}
}
else
{
throw new CryptographicException("Malformed element: Signature.");
}
// if invalid
if (info == null)
{
throw new CryptographicException("SignedInfo");
}
if (signature == null)
{
throw new CryptographicException("SignatureValue");
}
}
public void EmptyReferenceWithSetProperty ()
{
XmlDocument doc = new XmlDocument ();
doc.LoadXml (xmlForGetXml);
XmlNode n = doc.SelectSingleNode ("//*[local-name()='Reference']");
n.ParentNode.RemoveChild (n);
SignedInfo sig = new SignedInfo ();
sig.LoadXml ((XmlElement) doc.SelectSingleNode ("//*[local-name()='SignedInfo']"));
sig.CanonicalizationMethod = "urn:foo";
XmlElement el = sig.GetXml ();
}
public void GetXmlWithSetProperty ()
{
XmlDocument doc = new XmlDocument ();
doc.LoadXml (xmlForGetXml);
SignedInfo sig = new SignedInfo ();
sig.LoadXml ((XmlElement) doc.SelectSingleNode ("//*[local-name()='SignedInfo']"));
sig.CanonicalizationMethod = "urn:foo";
XmlElement el = sig.GetXml ();
Assert ("#GetXmlWithSetProperty.document", doc != el.OwnerDocument);
}
public void GetXmlWithoutSetProperty ()
{
string result = @"<dsig:SignedInfo xmlns:dsig=""http://www.w3.org/2000/09/xmldsig#""><dsig:CanonicalizationMethod Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-withcomments-20010315"" /><dsig:SignatureMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#rsa-sha1"" /><dsig:Reference URI=""""><dsig:Transforms><dsig:Transform Algorithm=""http://www.w3.org/2000/09/xmldsig#enveloped-signature"" /></dsig:Transforms><dsig:DigestMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#sha1"" /><dsig:DigestValue>nDF2V/bzRd0VE3EwShWtsBzTEDc=</dsig:DigestValue></dsig:Reference></dsig:SignedInfo>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (xmlForGetXml);
SignedInfo sig = new SignedInfo ();
sig.LoadXml ((XmlElement) doc.SelectSingleNode ("//*[local-name()='SignedInfo']"));
XmlElement el = sig.GetXml ();
AssertEquals ("#GetXmlWOSetProperty.document", doc, el.OwnerDocument);
AssertEquals ("#GetXmlWOSetProperty.outerxml", result, el.OuterXml);
}
/// <include file='doc\Signature.uex' path='docs/doc[@for="Signature.LoadXml"]/*' />
public void LoadXml(XmlElement value)
{
// Make sure we don't get passed null
if (value == null)
{
throw new ArgumentNullException("value");
}
// Signature
XmlElement signatureElement = value;
if (!signatureElement.LocalName.Equals("Signature"))
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "Signature");
}
XmlAttributeCollection signatureAttributes = signatureElement.Attributes;
XmlNode idAttribute = signatureAttributes["Id"];
if (idAttribute == null)
{
m_strId = null;
}
//throw new CryptographicException(String.Format(Environment.GetResourceString("Cryptography_XML_MalformedXML"),"Signature"));
// Look for SignedInfo and SignatureValue. There may optionally be
// a KeyInfo and some Objects
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
// SignedInfo
//XmlNodeList signatureChilds = signatureElement.GetElementsByTagName("SignedInfo", SignedXml.XmlDsigNamespaceUrl);
XmlNodeList signatureChilds = signatureElement.SelectNodes("ds:SignedInfo", nsm);
if (signatureChilds.Count == 0)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "SignedInfo");
}
XmlElement signedInfoElement = (XmlElement)signatureChilds.Item(0);
m_signedInfo = new SignedInfo();
m_signedInfo.LoadXml(signedInfoElement);
// SignatureValue
XmlNodeList signatureValueNodes = signatureElement.SelectNodes("ds:SignatureValue", nsm);
if (signatureValueNodes.Count == 0)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "SignedInfo/SignatureValue");
}
XmlElement signatureValueElement = (XmlElement)signatureValueNodes.Item(0);
m_rgbSignatureValue = Convert.FromBase64String(SignedXml.DiscardWhiteSpaces(signatureValueElement.InnerText));
XmlNodeList keyInfoNodes = signatureElement.SelectNodes("ds:KeyInfo", nsm);
if (keyInfoNodes.Count != 0)
{
XmlElement keyInfoElement = (XmlElement)keyInfoNodes.Item(0);
m_keyInfo = new KeyInfo();
m_keyInfo.LoadXml(keyInfoElement);
}
XmlNodeList objectNodes = signatureElement.SelectNodes("ds:Object", nsm);
for (int i = 0; i < objectNodes.Count; ++i)
{
XmlElement objectElement = (XmlElement)objectNodes.Item(i);
DataObject dataObj = new DataObject();
dataObj.LoadXml(objectElement);
m_embeddedObjects.Add(dataObj);
}
// Select all elements that have Id attributes
XmlNodeList nodeList = signatureElement.SelectNodes("//*[@Id]", nsm);
if (nodeList != null)
{
foreach (XmlNode node in nodeList)
{
m_referencedItems.Add(node);
}
}
}
public void LoadXml(XmlElement value)
{
// Make sure we don't get passed null
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
// Signature
XmlElement signatureElement = value;
if (!signatureElement.LocalName.Equals("Signature"))
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "Signature");
}
// Id attribute -- optional
_id = Utils.GetAttribute(signatureElement, "Id", SignedXml.XmlDsigNamespaceUrl);
if (!Utils.VerifyAttributes(signatureElement, "Id"))
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "Signature");
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
int expectedChildNodes = 0;
// SignedInfo
XmlNodeList signedInfoNodes = signatureElement.SelectNodes("ds:SignedInfo", nsm);
if (signedInfoNodes == null || signedInfoNodes.Count == 0 || signedInfoNodes.Count > 1)
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "SignedInfo");
}
XmlElement signedInfoElement = signedInfoNodes[0] as XmlElement;
expectedChildNodes += signedInfoNodes.Count;
SignedInfo = new SignedInfo();
SignedInfo.LoadXml(signedInfoElement);
// SignatureValue
XmlNodeList signatureValueNodes = signatureElement.SelectNodes("ds:SignatureValue", nsm);
if (signatureValueNodes == null || signatureValueNodes.Count == 0 || signatureValueNodes.Count > 1)
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "SignatureValue");
}
XmlElement signatureValueElement = signatureValueNodes[0] as XmlElement;
expectedChildNodes += signatureValueNodes.Count;
_signatureValue = Convert.FromBase64String(Utils.DiscardWhiteSpaces(signatureValueElement.InnerText));
_signatureValueId = Utils.GetAttribute(signatureValueElement, "Id", SignedXml.XmlDsigNamespaceUrl);
if (!Utils.VerifyAttributes(signatureValueElement, "Id"))
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "SignatureValue");
}
// KeyInfo - optional single element
XmlNodeList keyInfoNodes = signatureElement.SelectNodes("ds:KeyInfo", nsm);
_keyInfo = new KeyInfo();
if (keyInfoNodes != null)
{
if (keyInfoNodes.Count > 1)
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "KeyInfo");
}
foreach (XmlNode node in keyInfoNodes)
{
XmlElement keyInfoElement = node as XmlElement;
if (keyInfoElement != null)
{
_keyInfo.LoadXml(keyInfoElement);
}
}
expectedChildNodes += keyInfoNodes.Count;
}
// Object - zero or more elements allowed
XmlNodeList objectNodes = signatureElement.SelectNodes("ds:Object", nsm);
_embeddedObjects.Clear();
if (objectNodes != null)
{
foreach (XmlNode node in objectNodes)
{
XmlElement objectElement = node as XmlElement;
if (objectElement != null)
{
DataObject dataObj = new DataObject();
dataObj.LoadXml(objectElement);
_embeddedObjects.Add(dataObj);
}
}
expectedChildNodes += objectNodes.Count;
}
// Select all elements that have Id attributes
XmlNodeList nodeList = signatureElement.SelectNodes("//*[@Id]", nsm);
if (nodeList != null)
{
foreach (XmlNode node in nodeList)
{
_referencedItems.Add(node);
}
}
// Verify that there aren't any extra nodes that aren't allowed
if (signatureElement.SelectNodes("*").Count != expectedChildNodes)
{
throw new CryptographicException(SR.Cryptography_Xml_InvalidElement, "Signature");
}
}
public void LoadXml (XmlElement value)
{
if (value == null)
throw new ArgumentNullException ("value");
if ((value.LocalName == XmlSignature.ElementNames.Signature) && (value.NamespaceURI == XmlSignature.NamespaceURI)) {
id = GetAttribute (value, XmlSignature.AttributeNames.Id);
// LAMESPEC: This library is totally useless against eXtensibly Marked-up document.
int i = NextElementPos (value.ChildNodes, 0, XmlSignature.ElementNames.SignedInfo, XmlSignature.NamespaceURI, true);
XmlElement sinfo = (XmlElement) value.ChildNodes [i];
info = new SignedInfo ();
info.LoadXml (sinfo);
i = NextElementPos (value.ChildNodes, ++i, XmlSignature.ElementNames.SignatureValue, XmlSignature.NamespaceURI, true);
XmlElement sigValue = (XmlElement) value.ChildNodes [i];
signature = Convert.FromBase64String (sigValue.InnerText);
// signature isn't required: <element ref="ds:KeyInfo" minOccurs="0"/>
i = NextElementPos (value.ChildNodes, ++i, XmlSignature.ElementNames.KeyInfo, XmlSignature.NamespaceURI, false);
if (i > 0) {
XmlElement kinfo = (XmlElement) value.ChildNodes [i];
key = new KeyInfo ();
key.LoadXml (kinfo);
}
XmlNodeList xnl = value.SelectNodes ("xd:Object", dsigNsmgr);
foreach (XmlElement xn in xnl) {
DataObject obj = new DataObject ();
obj.LoadXml (xn);
AddObject (obj);
}
}
else
throw new CryptographicException ("Malformed element: Signature.");
// if invalid
if (info == null)
throw new CryptographicException ("SignedInfo");
if (signature == null)
throw new CryptographicException ("SignatureValue");
}
public void LoadXml(XmlElement value)
{
// Make sure we don't get passed null
if (value == null)
{
throw new ArgumentNullException("value");
}
// Signature
XmlElement signatureElement = value;
if (!signatureElement.LocalName.Equals("Signature"))
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "Signature");
}
// Id attribute -- optional
_id = Utils.GetAttribute(signatureElement, "Id", SignedXml.XmlDsigNamespaceUrl);
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
// SignedInfo
XmlElement signedInfoElement = signatureElement.SelectSingleNode("ds:SignedInfo", nsm) as XmlElement;
if (signedInfoElement == null)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "SignedInfo");
}
SignedInfo = new SignedInfo();
SignedInfo.LoadXml(signedInfoElement);
// SignatureValue
XmlElement signatureValueElement = signatureElement.SelectSingleNode("ds:SignatureValue", nsm) as XmlElement;
if (signatureValueElement == null)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_InvalidElement"), "SignedInfo/SignatureValue");
}
_signatureValue = Convert.FromBase64String(Utils.DiscardWhiteSpaces(signatureValueElement.InnerText));
_signatureValueId = Utils.GetAttribute(signatureValueElement, "Id", SignedXml.XmlDsigNamespaceUrl);
XmlNodeList keyInfoNodes = signatureElement.SelectNodes("ds:KeyInfo", nsm);
_keyInfo = new KeyInfo();
if (keyInfoNodes != null)
{
foreach (XmlNode node in keyInfoNodes)
{
XmlElement keyInfoElement = node as XmlElement;
if (keyInfoElement != null)
{
_keyInfo.LoadXml(keyInfoElement);
}
}
}
XmlNodeList objectNodes = signatureElement.SelectNodes("ds:Object", nsm);
_embeddedObjects.Clear();
if (objectNodes != null)
{
foreach (XmlNode node in objectNodes)
{
XmlElement objectElement = node as XmlElement;
if (objectElement != null)
{
DataObject dataObj = new DataObject();
dataObj.LoadXml(objectElement);
_embeddedObjects.Add(dataObj);
}
}
}
// Select all elements that have Id attributes
XmlNodeList nodeList = signatureElement.SelectNodes("//*[@Id]", nsm);
if (nodeList != null)
{
foreach (XmlNode node in nodeList)
{
_referencedItems.Add(node);
}
}
}
