/// <summary>Resolves the requester hostname and delegates the request to the chain.</summary>
/// <remarks>
/// Resolves the requester hostname and delegates the request to the chain.
/// <p>
/// The requester hostname is available via the
/// <see cref="Get()"/>
/// method.
/// </remarks>
/// <param name="request">servlet request.</param>
/// <param name="response">servlet response.</param>
/// <param name="chain">filter chain.</param>
/// <exception cref="System.IO.IOException">thrown if an IO error occurrs.</exception>
/// <exception cref="Javax.Servlet.ServletException">thrown if a servet error occurrs.
/// </exception>
public virtual void DoFilter(ServletRequest request, ServletResponse response, FilterChain
chain)
{
try
{
string hostname;
try
{
string address = request.GetRemoteAddr();
if (address != null)
{
hostname = Sharpen.Extensions.GetAddressByName(address).ToString();
}
else
{
log.Warn("Request remote address is NULL");
hostname = "???";
}
}
catch (UnknownHostException ex)
{
log.Warn("Request remote address could not be resolved, {0}", ex.ToString(), ex);
hostname = "???";
}
HostnameTl.Set(hostname);
chain.DoFilter(request, response);
}
finally
{
HostnameTl.Remove();
}
}
public virtual void TestMissingHostname()
{
ServletRequest request = Org.Mockito.Mockito.Mock <ServletRequest>();
Org.Mockito.Mockito.When(request.GetRemoteAddr()).ThenReturn(null);
ServletResponse response = Org.Mockito.Mockito.Mock <ServletResponse>();
AtomicBoolean invoked = new AtomicBoolean();
FilterChain chain = new _FilterChain_79(invoked);
Filter filter = new HostnameFilter();
filter.Init(null);
NUnit.Framework.Assert.IsNull(HostnameFilter.Get());
filter.DoFilter(request, response, chain);
NUnit.Framework.Assert.IsTrue(invoked.Get());
NUnit.Framework.Assert.IsNull(HostnameFilter.Get());
filter.Destroy();
}
public virtual void Hostname()
{
ServletRequest request = Org.Mockito.Mockito.Mock <ServletRequest>();
Org.Mockito.Mockito.When(request.GetRemoteAddr()).ThenReturn("localhost");
ServletResponse response = Org.Mockito.Mockito.Mock <ServletResponse>();
AtomicBoolean invoked = new AtomicBoolean();
FilterChain chain = new _FilterChain_49(invoked);
// Hostname was set to "localhost", but may get resolved automatically to
// "127.0.0.1" depending on OS.
Filter filter = new HostnameFilter();
filter.Init(null);
NUnit.Framework.Assert.IsNull(HostnameFilter.Get());
filter.DoFilter(request, response, chain);
NUnit.Framework.Assert.IsTrue(invoked.Get());
NUnit.Framework.Assert.IsNull(HostnameFilter.Get());
filter.Destroy();
}
