/// <summary>
/// Verify the code rule
/// </summary>
/// <param name="context">Service context</param>
/// <param name="info">out paramater to return violation information when rule fail</param>
/// <returns>true if rule passes; false otherwise</returns>
public override bool?Verify(ServiceContext context, out ExtensionRuleViolationInfo info)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
bool?passed = null;
info = null;
var segments = ResourcePathHelper.GetPathSegments(context).ToArray();
if (segments.Length > 0)
{
string lastSeg = segments[segments.Length - 1];
if (lastSeg.Equals("$value", StringComparison.Ordinal))
{
var edmxHelper = new EdmxHelper(XElement.Parse(context.MetadataDocument));
UriType uriType;
var target = edmxHelper.GetTargetType(segments, out uriType);
if (uriType == UriType.URI4 || uriType == UriType.URI5)
{
string targetType = ((EdmProperty)target).TypeUsage.EdmType.FullName;
if (!string.IsNullOrEmpty(targetType))
{
// do the validation here
IEdmType type = EdmTypeManager.GetEdmType(targetType);
if (type != null)
{
passed = type.IsGoodWith(context.ResponsePayload);
if (passed.HasValue && !passed.Value)
{
info = new ExtensionRuleViolationInfo("pattern not matched", context.Destination, context.ResponsePayload, 1);
}
}
else
{
// type unknown
info = new ExtensionRuleViolationInfo("unrecognized Edm type", context.Destination, targetType, 1);
passed = false;
}
}
}
}
}
return(passed);
}
/// <summary>
/// Checks whether the value is well-formatted based on the type
/// </summary>
/// <param name="value">The value</param>
/// <param name="typeName">Name of the type</param>
/// <returns>bool indicating value being well-formatted</returns>
protected bool VerifyValueByPrimitiveType(string value, string typeName)
{
bool result = true;
if (!string.IsNullOrEmpty(value))
{
IEdmType type = EdmTypeManager.GetEdmType(typeName);
if (type == null)
{
//unrecognized primitive type
result = false;
}
else
{
result = type.IsGoodWith(value);
}
}
return(result);
}
/// <summary>
/// Verify Common.Core.4623
/// </summary>
/// <param name="context">Service context</param>
/// <param name="info">out parameter to return violation information when rule fail</param>
/// <returns>true if rule passes; false otherwise</returns>
public override bool?Verify(ServiceContext context, out ExtensionRuleViolationInfo info)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
bool?passed = null;
info = null;
// Single primitive individual property is not allowed to have instance annotation.
if (VerificationHelper.IsIndividualPropertySinglePrimitiveType(context.ResponsePayload, context.PayloadType))
{
return(null);
}
XmlDocument xmlDoc = new XmlDocument();
// Test Data
// Url:http://services.odata.org/V4/OData/OData.svc/Products(0)/Description?$format=xml
// xmlDoc.LoadXml("<?xml version=\"1.0\" encoding=\"utf-8\"?><m:value m:context=\"http://services.odata.org/V4/OData/OData.svc/$metadata#Products(0)/Description\" xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:d=\"http://docs.oasis-open.org/odata/ns/data\" xmlns:georss=\"http://www.georss.org/georss\" xmlns:gml=\"http://www.opengis.net/gml\" xmlns:m=\"http://docs.oasis-open.org/odata/ns/metadata\">Whole grain bread <m:annotation atom:term=\"ODataDemo.Product.Display\" m:target=\"Description\" m:type=\"Boolean\">true</m:annotation></m:value>");
xmlDoc.LoadXml(context.ResponsePayload);
XmlNodeList annotationElements = xmlDoc.SelectNodes(@"//*[local-name()='annotation']", ODataNamespaceManager.Instance);
foreach (XmlNode annotatEle in annotationElements)
{
if (annotatEle.Attributes["null", Constants.NSMetadata] != null &&
annotatEle.Attributes["null", Constants.NSMetadata].Value.Equals("true"))
{
return(null);
}
string content = annotatEle.InnerText;
if (annotatEle.Attributes["type", Constants.NSMetadata] != null)
{
string typeName = annotatEle.Attributes["type", Constants.NSMetadata].Value;
if (!typeName.Contains("."))
{
typeName = "Edm." + typeName;
}
if (EdmTypeManager.IsEdmSimpleType(typeName))
{
IEdmType edmType = EdmTypeManager.GetEdmType(typeName);
if (edmType.IsGoodWith(content))
{
passed = true;
}
else
{
passed = false;
info = new ExtensionRuleViolationInfo(this.ErrorMessage, context.Destination, context.ResponsePayload);
break;
}
}
}
}
return(passed);
}
/// <summary>
/// Verify Metadata.Core.4228
/// </summary>
/// <param name="context">Service context</param>
/// <param name="info">out parameter to return violation information when rule fail</param>
/// <returns>true if rule passes; false otherwise</returns>
public override bool?Verify(ServiceContext context, out ExtensionRuleViolationInfo info)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
bool?passed = null;
info = null;
// Load MetadataDocument into XMLDOM
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(context.MetadataDocument);
string xpath = "//*[local-name()='EnumType']";
XmlNodeList enumTypeNodeList = xmlDoc.SelectNodes(xpath);
foreach (XmlNode enumType in enumTypeNodeList)
{
string underlyingType = string.Empty;
if (enumType.Attributes["UnderlyingType"] != null)
{
underlyingType = enumType.Attributes["UnderlyingType"].Value;
}
else
{
underlyingType = "Edm.Int32";
}
foreach (XmlNode member in enumType.ChildNodes)
{
if (!member.Name.Equals("Member"))
{
continue;
}
else
{
if (member.Attributes["Value"] != null)
{
IEdmType edmType = EdmTypeManager.GetEdmType(underlyingType);
if (edmType.IsGoodWith(member.Attributes["Value"].Value))
{
passed = true;
}
else
{
passed = false;
info = new ExtensionRuleViolationInfo(this.ErrorMessage, context.Destination, context.ResponsePayload);
break;
}
}
}
}
if (passed == false)
{
break;
}
}
return(passed);
}
