// Constructor.
public Url(String name)
{
if(name == null)
{
throw new ArgumentNullException("name");
}
parser = new UrlParser(name);
}
public UrlMembershipCondition(String url)
{
if(url == null)
{
throw new ArgumentNullException("url");
}
parser = new UrlParser(url);
}
// Determine if we have an application directory match.
private static bool Match(UrlParser url, String dir)
{
if(dir.EndsWith("/"))
{
dir = dir + "*";
}
else
{
dir = dir + "/*";
}
UrlParser parser = new UrlParser(dir);
return parser.Matches(url);
}
// Implement the IMembership interface.
public bool Check(Evidence evidence)
{
if (evidence == null)
{
return(false);
}
IEnumerator e = evidence.GetHostEnumerator();
while (e.MoveNext())
{
Site s = (e.Current as Site);
if (s != null)
{
if (UrlParser.HostMatches(site, s.Name))
{
return(true);
}
}
}
return(false);
}
// Implement the ISecurityPolicyEncodable interface.
public void FromXml(SecurityElement et, PolicyLevel level)
{
if(et == null)
{
throw new ArgumentNullException("et");
}
if(et.Tag != "IMembershipCondition")
{
throw new ArgumentException(_("Security_PolicyName"));
}
if(et.Attribute("version") != "1")
{
throw new ArgumentException(_("Security_PolicyVersion"));
}
String value = et.Attribute("Url");
if(value != null)
{
parser = new UrlParser(value);
}
else
{
throw new ArgumentException(_("Arg_InvalidUrl"));
}
}
// Create a new site from a URL.
public static Site CreateFromUrl(String url)
{
UrlParser parser = new UrlParser(url);
return new Site(parser.Host);
}
// Create a new site from a URL.
public static Site CreateFromUrl(String url)
{
UrlParser parser = new UrlParser(url);
return(new Site(parser.Host));
}
// Make a policy from url information.
private PolicyStatement MakePolicy(UrlParser url)
{
if(String.Compare(url.Scheme, "file", true) != 0)
{
return null;
}
PermissionSet permSet = new PermissionSet
(PermissionState.None);
permSet.AddPermission(new FileIOPermission(access, url.Rest));
return new PolicyStatement
(permSet, PolicyStatementAttribute.Nothing);
}
