/// <summary>
/// Sets up the proxy configuration based on the addresses in <paramref name="allowedProxies"/>.
/// </summary>
/// <param name="config">The <see cref="NetworkConfiguration"/> containing the config settings.</param>
/// <param name="allowedProxies">The string array to parse.</param>
/// <param name="options">The <see cref="ForwardedHeadersOptions"/> instance.</param>
internal static void AddProxyAddresses(NetworkConfiguration config, string[] allowedProxies, ForwardedHeadersOptions options)
{
for (var i = 0; i < allowedProxies.Length; i++)
{
if (IPNetAddress.TryParse(allowedProxies[i], out var addr))
{
AddIpAddress(config, options, addr.Address, addr.PrefixLength);
}
else if (IPHost.TryParse(allowedProxies[i], out var host))
{
foreach (var address in host.GetAddresses())
{
AddIpAddress(config, options, address, address.AddressFamily == AddressFamily.InterNetwork ? 32 : 128);
}
}
}
}
/// <summary>
/// Tries to identify the string and return an object of that class.
/// </summary>
/// <param name="addr">String to parse.</param>
/// <param name="result">IPObject to return.</param>
/// <returns>True if the value parsed successfully.</returns>
private static bool TryParse(string addr, out IPObject result)
{
if (!string.IsNullOrEmpty(addr))
{
// Is it an IP address
if (IPNetAddress.TryParse(addr, out IPNetAddress nw))
{
result = nw;
return(true);
}
if (IPHost.TryParse(addr, out IPHost h))
{
result = h;
return(true);
}
}
result = IPNetAddress.None;
return(false);
}
public void ValidIPStrings(string address)
{
Assert.True(IPNetAddress.TryParse(address, out _));
}
public void TestSubnetContains(string network, string ip)
{
Assert.True(IPNetAddress.TryParse(network, out var networkObj));
Assert.True(IPNetAddress.TryParse(ip, out var ipObj));
Assert.True(networkObj.Contains(ipObj));
}
public void InvalidAddressString(string address)
{
Assert.False(IPNetAddress.TryParse(address, out _));
Assert.False(IPHost.TryParse(address, out _));
}
public static void TryParse_InvalidAddressString_False(string address) => Assert.False(IPNetAddress.TryParse(address, out _));
public static Property TryParse_IPv6Address_True(IPv6Address address) => IPNetAddress.TryParse(address.Item.ToString(), out _).ToProperty();
public static void TryParse_ValidIPStrings_True(string address) => Assert.True(IPNetAddress.TryParse(address, out _));