1 files changed, 88 insertions, 0 deletions
diff --git a/tests/Jellyfin.Api.Tests/ParseNetworkTests.cs b/tests/Jellyfin.Api.Tests/ParseNetworkTests.cs
new file mode 100644
index 000000000..6c3fd0ee1
--- /dev/null
+++ b/tests/Jellyfin.Api.Tests/ParseNetworkTests.cs
@@ -0,0 +1,88 @@
+using System;
+using System.Globalization;
+using System.Text;
+using Jellyfin.Networking.Configuration;
+using Jellyfin.Networking.Manager;
+using Jellyfin.Server.Extensions;
+using MediaBrowser.Common.Configuration;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Logging.Abstractions;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Api.Tests
+{
+    public class ParseNetworkTests
+    {
+        /// <summary>
+        /// Order of the result has always got to be hosts, then networks.
+        /// </summary>
+        /// <param name="ip4">IP4 enabled.</param>
+        /// <param name="ip6">IP6 enabled.</param>
+        /// <param name="hostList">List to parse.</param>
+        /// <param name="match">What it should match.</param>
+        [Theory]
+        // [InlineData(true, true, "192.168.0.0/16,www.yahoo.co.uk", "::ffff:212.82.100.150,::ffff:192.168.0.0/16")]  <- fails on Max. www.yahoo.co.uk resolves to a different ip address.
+        // [InlineData(true, false, "192.168.0.0/16,www.yahoo.co.uk", "212.82.100.150,192.168.0.0/16")]
+        [InlineData(true, true, "192.168.t,127.0.0.1,1234.1232.12.1234", "::ffff:127.0.0.1")]
+        [InlineData(true, false, "192.168.x,127.0.0.1,1234.1232.12.1234", "127.0.0.1")]
+        [InlineData(true, true, "::1", "::1/128")]
+        public void TestNetworks(bool ip4, bool ip6, string hostList, string match)
+        {
+            using var nm = CreateNetworkManager();
+
+            var settings = new NetworkConfiguration
+            {
+                EnableIPV4 = ip4,
+                EnableIPV6 = ip6
+            };
+
+            var result = match + ',';
+            ForwardedHeadersOptions options = new ForwardedHeadersOptions();
+
+            // Need this here as ::1 and 127.0.0.1 are in them by default.
+            options.KnownProxies.Clear();
+            options.KnownNetworks.Clear();
+
+            ApiServiceCollectionExtensions.AddProxyAddresses(settings, hostList.Split(","), options);
+
+            var sb = new StringBuilder();
+            foreach (var item in options.KnownProxies)
+            {
+                sb.Append(item);
+                sb.Append(',');
+            }
+
+            foreach (var item in options.KnownNetworks)
+            {
+                sb.Append(item.Prefix);
+                sb.Append('/');
+                sb.Append(item.PrefixLength.ToString(CultureInfo.InvariantCulture));
+                sb.Append(',');
+            }
+
+            Assert.Equal(sb.ToString(), result);
+        }
+
+        private static IConfigurationManager GetMockConfig(NetworkConfiguration conf)
+        {
+            var configManager = new Mock<IConfigurationManager>
+            {
+                CallBase = true
+            };
+            configManager.Setup(x => x.GetConfiguration(It.IsAny<string>())).Returns(conf);
+            return configManager.Object;
+        }
+
+        private static NetworkManager CreateNetworkManager()
+        {
+            var conf = new NetworkConfiguration()
+            {
+                EnableIPV6 = true,
+                EnableIPV4 = true,
+            };
+
+            return new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
+        }
+    }
+}