protected virtual XacmlContextResource ReadContextResource(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (!reader.IsStartElement(XacmlConstants.ElementNames.Resource, this.Version.NamespaceContext))
{
throw ThrowHelperXml(reader, "XML message is not valid.");
}
XacmlContextResource result = new XacmlContextResource();
// Read attributes
if (reader.IsEmptyElement)
{
reader.Read();
return(result);
}
reader.ReadStartElement(XacmlConstants.ElementNames.Resource, this.Version.NamespaceContext);
// Read elements
result.ResourceContent = this.ReadOptional(XacmlConstants.ElementNames.ResourceContent, this.Version.NamespaceContext, this.ReadContextResourceContent, reader);
this.ReadList(result.Attributes, XacmlConstants.ElementNames.Attribute, this.Version.NamespaceContext, this.ReadContextAttribute, reader, isRequired: false);
reader.ReadEndElement();
return(result);
}
/// <summary>
/// Constructor user only for XACML 2.0
/// </summary>
/// <param name="resources">The resource.</param>
/// <param name="action">The action.</param>
/// <param name="subjects">The subject.</param>
/// <param name="environment">The environment.</param>
public XacmlContextRequest(XacmlContextResource resource, XacmlContextAction action, XacmlContextSubject subject, XacmlContextEnvironment environment) :
this(new List<XacmlContextResource> { resource }, action, new List<XacmlContextSubject> { subject }, environment) {
Contract.Requires<ArgumentNullException>(resource != null);
Contract.Requires<ArgumentNullException>(action != null);
Contract.Requires<ArgumentNullException>(subject != null);
Contract.Requires<ArgumentNullException>(environment != null);
}
protected virtual void WriteContextResource(XmlWriter writer, XacmlContextResource resource)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
writer.WriteStartElement(XacmlConstants.Prefixes.Context, XacmlConstants.ElementNames.Resource, this.Version.NamespaceContext);
// ResourceContent
if (resource.ResourceContent != null)
{
this.WriteContextResourceContent(writer, resource.ResourceContent);
}
foreach (var attr in resource.Attributes)
{
this.WriteContextAttribute(writer, attr);
}
writer.WriteEndElement();
}
/// <summary>
/// Constructor user only for XACML 1.0/1.1/2.0
/// </summary>
/// <param name="resource">The resource.</param>
/// <param name="action">The action.</param>
/// <param name="subjects">The subjects.</param>
public XacmlContextRequest(XacmlContextResource resource, XacmlContextAction action, IEnumerable<XacmlContextSubject> subjects) {
Contract.Requires<ArgumentNullException>(resource != null);
Contract.Requires<ArgumentNullException>(action != null);
Contract.Requires<ArgumentNullException>(subjects != null);
this.resources.Add(resource);
this.action = action;
foreach (var item in subjects) {
this.subjects.Add(item);
}
}
public void WriteRequest_11()
{
var s = new XacmlContextSubject(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var r = new XacmlContextResource(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var a = new XacmlContextAction(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var request = new XacmlContextRequest(r, a, s);
StringBuilder builder = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(builder))
{
var serializer = new Xacml10ProtocolSerializer();
serializer.WriteContextRequest(writer, request);
}
string xml = builder.ToString();
ValidateMessage(xml, @"..\..\_Data\cs-xacml-schema-context-01.xsd");
}
protected virtual void WriteContextResource(XmlWriter writer, XacmlContextResource resource) {
Contract.Requires<ArgumentNullException>(writer != null);
Contract.Requires<ArgumentNullException>(resource != null);
writer.WriteStartElement(XacmlConstants.Prefixes.Context, XacmlConstants.ElementNames.Resource, this.version.NamespaceContext);
// ResourceContent
if (resource.ResourceContent != null) {
this.WriteContextResourceContent(writer, resource.ResourceContent);
}
foreach (var attr in resource.Attributes) {
this.WriteContextAttribute(writer, attr);
}
writer.WriteEndElement();
}
public void WriteRequest_11()
{
var s = new XacmlContextSubject(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var r = new XacmlContextResource(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var a = new XacmlContextAction(new XacmlContextAttribute(new Uri("uri:action"), new Uri("uri:type"), new XacmlContextAttributeValue()));
var request = new XacmlContextRequest(r, a, s);
StringBuilder builder = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(builder))
{
var serializer = new Xacml10ProtocolSerializer();
serializer.WriteContextRequest(writer, request);
}
string xml = builder.ToString();
ValidateMessage(xml, Path.Combine(TestCasePath, "cs-xacml-schema-context-01.xsd"));
}
/// <summary>
/// Constructor user only for XACML 1.0/1.1/2.0
/// </summary>
/// <param name="resource">The resource.</param>
/// <param name="action">The action.</param>
/// <param name="subjects">The subjects.</param>
public XacmlContextRequest(XacmlContextResource resource, XacmlContextAction action, XacmlContextSubject subject)
: this(resource, action, new List<XacmlContextSubject> { subject }) {
Contract.Requires<ArgumentNullException>(resource != null);
Contract.Requires<ArgumentNullException>(action != null);
Contract.Requires<ArgumentNullException>(subject != null);
}
protected virtual XacmlContextResource ReadContextResource(XmlReader reader) {
Contract.Requires<ArgumentNullException>(reader != null, "reader");
Contract.Requires<XmlException>(reader.IsStartElement(XacmlConstants.ElementNames.Resource, this.version.NamespaceContext));
XacmlContextResource result = new XacmlContextResource();
// Read attributes
if (reader.IsEmptyElement) {
reader.Read();
return result;
}
reader.ReadStartElement(XacmlConstants.ElementNames.Resource, this.version.NamespaceContext);
// Read elements
result.ResourceContent = this.ReadOptional(XacmlConstants.ElementNames.ResourceContent, this.version.NamespaceContext, this.ReadContextResourceContent, reader);
this.ReadList(result.Attributes, XacmlConstants.ElementNames.Attribute, this.version.NamespaceContext, this.ReadContextAttribute, reader, isRequired: false);
reader.ReadEndElement();
return result;
}
