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namespace System.Workflow.ComponentModel.Compiler
{
using System.Xml;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.Xml.Serialization;
using System.Text.RegularExpressions;
internal sealed class WorkflowCompilerConfigurationSectionGroup : ConfigurationSectionGroup
{
public WorkflowCompilerConfigurationSectionGroup()
{
}
}
internal sealed class AuthorizedTypesSectionHandler : IConfigurationSectionHandler
{
const string TargetFxVersionAttribute = "version";
#region IConfigurationSectionHandler Members
object IConfigurationSectionHandler.Create(object parent, object configContext, XmlNode section)
{
Dictionary<string, IList<AuthorizedType>> authorizedTypes = new Dictionary<string, IList<AuthorizedType>>();
XmlAttributeOverrides authorizedTypeOverrides = new XmlAttributeOverrides();
XmlAttributes authorizedTypeAttributes = new XmlAttributes();
authorizedTypeAttributes.XmlRoot = new XmlRootAttribute("authorizedType");
authorizedTypeOverrides.Add(typeof(AuthorizedType), authorizedTypeAttributes);
XmlSerializer xmlSerializer = new XmlSerializer(typeof(AuthorizedType), authorizedTypeOverrides);
foreach (XmlNode targetFx in section.ChildNodes)
{
XmlAttribute versionAttribute = targetFx.Attributes.GetNamedItem(TargetFxVersionAttribute) as XmlAttribute;
if (versionAttribute != null)
{
string version = versionAttribute.Value;
if (!string.IsNullOrEmpty(version))
{
IList<AuthorizedType> versionTypes;
if (!authorizedTypes.TryGetValue(version, out versionTypes))
{
versionTypes = new List<AuthorizedType>();
authorizedTypes.Add(version, versionTypes);
}
foreach (XmlNode authorizedTypeNode in targetFx.ChildNodes)
{
AuthorizedType authorizedType = xmlSerializer.Deserialize(new XmlNodeReader(authorizedTypeNode)) as AuthorizedType;
if (authorizedType != null)
{
versionTypes.Add(authorizedType);
}
}
}
}
}
return authorizedTypes;
}
#endregion
}
[XmlType("authorizedType")]
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public sealed class AuthorizedType
{
private string assemblyName;
private string namespaceName;
private string typeName;
private bool isAuthorized;
private Regex regex;
[XmlAttribute]
public string Assembly
{
get
{
return this.assemblyName;
}
set
{
this.assemblyName = value;
}
}
[XmlAttribute]
public string Namespace
{
get
{
return this.namespaceName;
}
set
{
this.namespaceName = value;
}
}
[XmlAttribute]
public string TypeName
{
get
{
return this.typeName;
}
set
{
this.typeName = value;
}
}
[XmlAttribute]
public string Authorized
{
get
{
return this.isAuthorized.ToString();
}
set
{
this.isAuthorized = bool.Parse(value);
}
}
[XmlIgnore]
public Regex RegularExpression
{
get
{
if (this.regex == null)
{
this.regex = new Regex(MakeRegex(string.Format(CultureInfo.InvariantCulture, "{0}.{1}, {2}", new object[] { this.namespaceName, this.typeName, this.assemblyName })), RegexOptions.Compiled);
return this.regex;
}
return this.regex;
}
}
private static string MakeRegex(string inputString)
{
// RegEx uses the following as meta characters:
// [\^$.|?*+()
// Of these we translate * and ? to DOS wildcard equivalents in RegEx.
// We escape rest of the Regex meta characters to thwart any luring
// attacks caused by malformed inputString using meta characters.
string outputString = inputString.Replace(@"\", @"\\");
outputString = outputString.Replace("[", @"\[");
outputString = outputString.Replace("^", @"\^");
outputString = outputString.Replace("$", @"\$");
outputString = outputString.Replace("|", @"\|");
outputString = outputString.Replace("+", @"\+");
outputString = outputString.Replace("(", @"\(");
outputString = outputString.Replace(")", @"\)");
outputString = outputString.Replace(".", @"\x2E");
outputString = outputString.Replace("*", @"[\w\x60\x2E]{0,}");
outputString = outputString.Replace("?", @"\w{1,1}");
// Make whitespaces optional
outputString = outputString.Replace(" ", @"\s{0,}");
return outputString;
}
}
}
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