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//
// BaseDomainPolicy.cs
//
// Authors:
// Atsushi Enomoto <atsushi@ximian.com>
// Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright (C) 2009 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#define NET_2_1
#if NET_2_1
using System;
using MonoForks.System;
using System.Collections.Generic;
using System.IO;
using MonoForks.System.Net;
#if !TEST
using MonoForks.System.Windows.Interop;
#endif
// Base class for shared stuff between the Silverlight and Flash policies
// e.g. Headers and Domain comparison
namespace MonoForks.System.Windows.Browser.Net {
abstract class BaseDomainPolicy : ICrossDomainPolicy {
#if TEST
static public Uri ApplicationUri { get; set; }
#else
static public Uri ApplicationUri {
get { return PluginHost.RootUri; }
}
#endif
static string root;
static public string ApplicationRoot {
get {
if (root == null)
root = CrossDomainPolicyManager.GetRoot (ApplicationUri);
return root;
}
}
public class Headers {
class PrefixComparer : IEqualityComparer<string> {
public bool Equals (string x, string y)
{
int check_length = x.Length - 1;
if ((x.Length > 0) && (x [check_length] == '*'))
return (String.Compare (x, 0, y, 0, check_length, StringComparison.OrdinalIgnoreCase) == 0);
return (String.Compare (x, y, StringComparison.OrdinalIgnoreCase) == 0);
}
public int GetHashCode (string obj)
{
return (obj == null) ? 0 : obj.GetHashCode ();
}
}
static PrefixComparer pc = new PrefixComparer ();
private List<string> list;
public Headers ()
{
}
public bool AllowAllHeaders { get; private set; }
public bool IsAllowed (string[] headers)
{
if (AllowAllHeaders)
return true;
if (headers == null || headers.Length == 0)
return true;
foreach(var h in headers)
{
bool found = false;
foreach(var item in list)
if (pc.Equals(item,h)) found = true;
if (!found) return false;
}
return true;
}
public void SetHeaders (string raw)
{
if (raw == "*") {
AllowAllHeaders = true;
list = null;
} else if (raw != null) {
string [] headers = raw.Split (',');
list = new List<string> (headers.Length + 1);
list.Add ("Content-Type");
for (int i = 0; i < headers.Length; i++) {
string s = headers [i].Trim ();
if (!String.IsNullOrEmpty (s))
list.Add (s);
}
} else {
// without a specified 'http-request-headers' no header, expect Content-Type, is allowed
AllowAllHeaders = false;
list = new List<string> (1);
list.Add ("Content-Type");
}
}
}
public bool IsAllowed (WebRequest request)
{
var keys = request.Headers.Keys;
string[] AllKeys = new string[keys.Count];
keys.CopyTo(AllKeys,0);
return IsAllowed (request.RequestUri, AllKeys);
}
abstract public bool IsAllowed (Uri uri, params string [] headerKeys);
}
}
#endif
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