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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using MonoForks.Mono.Xml;
using MonoForks.System.Net;
using NUnit.Framework;
using MonoForks.System.Windows.Browser.Net;
using UnityEngine;
using Uri = MonoForks.System.Uri;
namespace CrossDomainPolicyParserTests
{
[TestFixture]
public class FlashPolicyParserTests
{
static string XDomainGlobal =
@"<?xml version=""1.0""?>
<!DOCTYPE cross-domain-policy SYSTEM ""http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd"">
<cross-domain-policy>
<allow-access-from domain=""*"" />
</cross-domain-policy>";
string http_hosted = "http://www.host.com/coolgame.unity3d";
string https_hosted = "https://secure.host.net/coolgame.unity3d";
string file_hosted = "file:///coolgame.unity3";
[Test]
public void GlobalXDomainAcceptsRequestOnSameDomain()
{
string requesturl = "http://www.mach8.nl/index.html";
Assert.IsTrue(RequestAllowed(XDomainGlobal, requesturl, http_hosted));
}
[Test]
public void GlobalXDomainAcceptsRequestOnSubDomain()
{
string requesturl = "http://subdomain.mach8.nl/index.html";
Assert.IsTrue(RequestAllowed(XDomainGlobal, requesturl, http_hosted));
}
[Test]
public void GlobalXDomainAllowsSecureRequestWhenHostedNonSecure()
{
string requesturl = "https://www.mach8.nl/index.html";
Assert.IsTrue(RequestAllowed(XDomainGlobal, requesturl, http_hosted));
}
[Test]
public void GlobalXDomainAcceptsSecureRequestWhenHostedSecure()
{
string requesturl = "https://www.mach8.nl/index.html";
Assert.IsTrue(RequestAllowed(XDomainGlobal, requesturl, https_hosted));
}
[Test]
public void GlobalXDomainDeniesNonSecureRequestWhenHostedSecure()
{
string requesturl = "http://www.mach8.nl/index.html";
Assert.IsFalse(RequestAllowed(XDomainGlobal, requesturl, https_hosted));
}
[Test]
public void AllDomain_Secure()
{
string policy = @"<?xml version=""1.0""?>
<!DOCTYPE cross-domain-policy SYSTEM ""http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd"">
<cross-domain-policy>
<allow-access-from domain=""*"" secure=""true""/>
</cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void WhenRequestURLMatchesWildCardAccessIsAllowed()
{
string policy = @"<?xml version=""1.0""?>
<cross-domain-policy>
<allow-access-from domain=""*.mydomain.nl"" />
</cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://subdomain.mydomain.nl", http_hosted));
}
[Test]
public void WhenRequestURLDoesNotMatchWildCardAccessIsDisallowed()
{
string policy = @"<?xml version=""1.0""?>
<cross-domain-policy>
<allow-access-from domain=""*.mydomain.nl"" />
</cross-domain-policy>";
Assert.IsFalse(RequestAllowed(policy, "http://subdomain.myotherdomain.nl", http_hosted));
}
[Test]
public void AllDomains_NoDTD()
{
string policy = @"<?xml version='1.0'?><cross-domain-policy><allow-access-from domain='*'/></cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_NoXmlHeader()
{
string policy = @"<cross-domain-policy>
<allow-access-from domain=""*"" to-ports=""*""/>
</cross-domain-policy> ";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_PermittedCrossDomainPolicies_All()
{
// 'all' is the default value
// http://www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html#site-control-permitted-cross-domain-policies
string policy = @"<?xml version='1.0'?>
<!DOCTYPE cross-domain-policy SYSTEM 'http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd'>
<cross-domain-policy>
<site-control permitted-cross-domain-policies='all' />
<allow-access-from domain='*' />
</cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_PermittedCrossDomainPolicies_MasterOnly()
{
string policy = @"<?xml version='1.0'?>
<!DOCTYPE cross-domain-policy SYSTEM 'http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd'>
<cross-domain-policy>
<site-control permitted-cross-domain-policies='master-only' />
<allow-access-from domain='*' />
</cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_PermittedCrossDomainPolicies_None()
{
string policy = @"<?xml version='1.0'?>
<!DOCTYPE cross-domain-policy SYSTEM 'http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd'>
<cross-domain-policy>
<site-control permitted-cross-domain-policies='none' />
<allow-access-from domain='*' />
</cross-domain-policy>";
Assert.IsFalse(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_PermittedCrossDomainPolicies_ByContentType()
{
string policy = @"<?xml version='1.0'?>
<!DOCTYPE cross-domain-policy SYSTEM 'http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd'>
<cross-domain-policy>
<site-control permitted-cross-domain-policies='by-content-type' />
<allow-access-from domain='*' />
</cross-domain-policy>";
Assert.IsFalse(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
public void AllDomains_PermittedCrossDomainPolicies_ByFtpFilename()
{
string policy = @"<?xml version='1.0'?>
<!DOCTYPE cross-domain-policy SYSTEM 'http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd'>
<cross-domain-policy>
<site-control permitted-cross-domain-policies='by-ftp-filename' />
<allow-access-from domain='*' />
</cross-domain-policy>";
Assert.IsTrue(RequestAllowed(policy, "http://www.host.com", http_hosted));
}
[Test]
[ExpectedException(typeof(MiniParser.XMLError))]
public void IllformedPolicyIsRejected()
{
FlashCrossDomainPolicyFromString("bogus", "http://www.host.com");
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void EmptyPolicyStringIsRejected()
{
FlashCrossDomainPolicyFromString("", "http://www.host.com");
}
private bool RequestAllowed(string xdomain, string requesturl, string hosturl)
{
FlashCrossDomainPolicy policy = FlashCrossDomainPolicyFromString(xdomain, hosturl);
var wr = new WebRequest(new Uri(requesturl), new Dictionary<string, string>());
return policy.IsAllowed(wr);
}
private FlashCrossDomainPolicy FlashCrossDomainPolicyFromString(string xdomain, string hosturl)
{
UnityCrossDomainHelper.SetWebSecurityHostUriDelegate(() => hosturl);
var ms = new MemoryStream(Encoding.UTF8.GetBytes(xdomain));
return FlashCrossDomainPolicy.FromStream(ms);
}
}
}
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