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public static FromString ( string xml ) : |
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| xml | string | |
| return | ||
//
// Utility methods to construct the permission set objects from the well known XML and any permission
// set extensions if necessary
//
private static NamedPermissionSet GetOrDeserializeExtendablePermissionSet(ref NamedPermissionSet permissionSet,
string permissionSetXml
#if FEATURE_CAS_POLICY
, string extensionXml
#endif // FEATURE_CAS_POLICY
)
{
Contract.Requires(!String.IsNullOrEmpty(permissionSetXml));
#if FEATURE_CAS_POLICY
Contract.Requires(!String.IsNullOrEmpty(extensionXml));
#endif // FEATURE_CAS_POLICY
if (permissionSet == null)
{
#if FEATURE_CAS_POLICY
SecurityElement securityElement = SecurityElement.FromString(permissionSetXml);
NamedPermissionSet deserializedPermissionSet = new NamedPermissionSet(securityElement);
PermissionSet extensions = GetPermissionSetExtensions(extensionXml);
deserializedPermissionSet.InplaceUnion(extensions);
permissionSet = deserializedPermissionSet;
#endif // FEATURE_CAS_POLICY
}
return(permissionSet.Copy() as NamedPermissionSet);
}
private static NamedPermissionSet GetOrDeserializePermissionSet(ref NamedPermissionSet permissionSet, string permissionSetXml)
{
if (permissionSet == null)
{
NamedPermissionSet namedPermissionSet = new NamedPermissionSet(SecurityElement.FromString(permissionSetXml));
permissionSet = namedPermissionSet;
}
return(permissionSet.Copy() as NamedPermissionSet);
}
internal PermissionSet(string xml)
: this()
{
state = PermissionState.None;
if (xml != null)
{
SecurityElement se = SecurityElement.FromString(xml);
FromXml(se);
}
}
private static PermissionSet GetPermissionSetExtensions(string extensionXml)
{
SecurityElement permissionSetXml = SecurityElement.FromString(extensionXml);
if (XMLUtil.GetClassFromElement((SecurityElement)permissionSetXml.Children[0], true) != (Type)null)
{
return((PermissionSet) new NamedPermissionSet(permissionSetXml));
}
return((PermissionSet)null);
}
// Token: 0x06001C33 RID: 7219 RVA: 0x00060F28 File Offset: 0x0005F128
private static PermissionSet GetPermissionSetExtensions(string extensionXml)
{
SecurityElement securityElement = SecurityElement.FromString(extensionXml);
SecurityElement el = (SecurityElement)securityElement.Children[0];
if (XMLUtil.GetClassFromElement(el, true) != null)
{
return(new NamedPermissionSet(securityElement));
}
return(null);
}
private static NamedPermissionSet GetOrDeserializeExtendablePermissionSet(ref NamedPermissionSet permissionSet, string permissionSetXml, string extensionXml)
{
if (permissionSet == null)
{
NamedPermissionSet namedPermissionSet = new NamedPermissionSet(SecurityElement.FromString(permissionSetXml));
PermissionSet permissionSetExtensions = BuiltInPermissionSets.GetPermissionSetExtensions(extensionXml);
namedPermissionSet.InplaceUnion(permissionSetExtensions);
permissionSet = namedPermissionSet;
}
return(permissionSet.Copy() as NamedPermissionSet);
}
private static NamedPermissionSet GetOrDeserializePermissionSet(ref NamedPermissionSet permissionSet,
string permissionSetXml)
{
Contract.Assert(!String.IsNullOrEmpty(permissionSetXml));
#if FEATURE_CAS_POLICY
if (permissionSet == null)
{
SecurityElement securityElement = SecurityElement.FromString(permissionSetXml);
NamedPermissionSet deserializedPermissionSet = new NamedPermissionSet(securityElement);
permissionSet = deserializedPermissionSet;
}
#endif // FEATURE_CAS_POLICY
return(permissionSet.Copy() as NamedPermissionSet);
}
private static PermissionSet GetPermissionSetExtensions(string extensionXml)
{
Contract.Requires(!String.IsNullOrEmpty(extensionXml));
SecurityElement se = SecurityElement.FromString(extensionXml);
// Return the permission set extension only if WPF is in the present framework profile.
// XMLUtil.GetClassFromElement() helps do the quickest check, with no exception thrown and
// minimal parsing.
SecurityElement firstPermission = (SecurityElement)se.Children[0];
if (System.Security.Util.XMLUtil.GetClassFromElement(firstPermission, /*ignoreTypeLoadFailures*/ true) != null)
{
PermissionSet extensions = new NamedPermissionSet(se);
return(extensions);
}
return(null);
}
// FIXME little documentation in Fx 2.0 beta 1
public static byte[] ConvertPermissionSet(string inFormat, byte[] inData, string outFormat)
{
if (inFormat == null)
{
throw new ArgumentNullException("inFormat");
}
if (outFormat == null)
{
throw new ArgumentNullException("outFormat");
}
if (inData == null)
{
return(null);
}
if (inFormat == outFormat)
{
return(inData);
}
PermissionSet ps = null;
if (inFormat == "BINARY")
{
if (outFormat.StartsWith("XML"))
{
using (MemoryStream ms = new MemoryStream(inData)) {
BinaryFormatter formatter = new BinaryFormatter();
ps = (PermissionSet)formatter.Deserialize(ms);
ms.Close();
}
string xml = ps.ToString();
switch (outFormat)
{
case "XML":
case "XMLASCII":
return(Encoding.ASCII.GetBytes(xml));
case "XMLUNICODE":
return(Encoding.Unicode.GetBytes(xml));
}
}
}
else if (inFormat.StartsWith("XML"))
{
if (outFormat == "BINARY")
{
string xml = null;
switch (inFormat)
{
case "XML":
case "XMLASCII":
xml = Encoding.ASCII.GetString(inData);
break;
case "XMLUNICODE":
xml = Encoding.Unicode.GetString(inData);
break;
}
if (xml != null)
{
ps = new PermissionSet(PermissionState.None);
ps.FromXml(SecurityElement.FromString(xml));
MemoryStream ms = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(ms, ps);
ms.Close();
return(ms.ToArray());
}
}
else if (outFormat.StartsWith("XML"))
{
string msg = String.Format(Locale.GetText("Can't convert from {0} to {1}"), inFormat, outFormat);
#if NET_2_0
throw new XmlSyntaxException(msg);
#else
throw new ArgumentException(msg);
#endif
}
}
else
{
// unknown inFormat, returns null
return(null);
}
// unknown outFormat, throw
throw new SerializationException(String.Format(Locale.GetText("Unknown output format {0}."), outFormat));
}
