Merge pull request #4978 from BaronGreenback/MultipeProxies

(cherry picked from commit 14bd4a110f)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>
pull/5296/head
Claus Vium 4 years ago committed by Joshua M. Boniface
parent ab5ae34595
commit 7796486511

@ -224,7 +224,7 @@ namespace Jellyfin.Networking.Configuration
public string[] LocalNetworkAddresses { get; set; } = Array.Empty<string>();
/// <summary>
/// Gets or sets the known proxies.
/// Gets or sets the known proxies. If the proxy is a network, it's added to the KnownNetworks.
/// </summary>
public string[] KnownProxies { get; set; } = Array.Empty<string>();
}

@ -1,9 +1,13 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using Emby.Server.Implementations;
using Jellyfin.Api.Auth;
using Jellyfin.Api.Auth.DefaultAuthorizationPolicy;
@ -20,6 +24,8 @@ using Jellyfin.Api.Constants;
using Jellyfin.Api.Controllers;
using Jellyfin.Api.ModelBinders;
using Jellyfin.Data.Enums;
using Jellyfin.Networking.Configuration;
using Jellyfin.Networking.Manager;
using Jellyfin.Server.Configuration;
using Jellyfin.Server.Filters;
using Jellyfin.Server.Formatters;
@ -174,30 +180,33 @@ namespace Jellyfin.Server.Extensions
/// </summary>
/// <param name="serviceCollection">The service collection.</param>
/// <param name="pluginAssemblies">An IEnumerable containing all plugin assemblies with API controllers.</param>
/// <param name="knownProxies">A list of all known proxies to trust for X-Forwarded-For.</param>
/// <param name="config">The <see cref="NetworkConfiguration"/>.</param>
/// <returns>The MVC builder.</returns>
public static IMvcBuilder AddJellyfinApi(this IServiceCollection serviceCollection, IEnumerable<Assembly> pluginAssemblies, IReadOnlyList<string> knownProxies)
public static IMvcBuilder AddJellyfinApi(this IServiceCollection serviceCollection, IEnumerable<Assembly> pluginAssemblies, NetworkConfiguration config)
{
IMvcBuilder mvcBuilder = serviceCollection
.AddCors()
.AddTransient<ICorsPolicyProvider, CorsPolicyProvider>()
.Configure<ForwardedHeadersOptions>(options =>
{
// https://github.com/dotnet/aspnetcore/blob/master/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
// Enable debug logging on Microsoft.AspNetCore.HttpOverrides.ForwardedHeadersMiddleware to help investigate issues.
options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
if (knownProxies.Count == 0)
if (config.KnownProxies.Length == 0)
{
options.KnownNetworks.Clear();
options.KnownProxies.Clear();
}
else
{
for (var i = 0; i < knownProxies.Count; i++)
{
if (IPHost.TryParse(knownProxies[i], out var host))
{
options.KnownProxies.Add(host.Address);
}
}
AddProxyAddresses(config, config.KnownProxies, options);
}
// Only set forward limit if we have some known proxies or some known networks.
if (options.KnownProxies.Count != 0 || options.KnownNetworks.Count != 0)
{
options.ForwardLimit = null;
}
})
.AddMvc(opts =>
@ -312,6 +321,55 @@ namespace Jellyfin.Server.Extensions
});
}
/// <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, addr.Address, addr.PrefixLength);
}
}
}
}
private static void AddIpAddress(NetworkConfiguration config, ForwardedHeadersOptions options, IPAddress addr, int prefixLength)
{
if ((!config.EnableIPV4 && addr.AddressFamily == AddressFamily.InterNetwork) || (!config.EnableIPV6 && addr.AddressFamily == AddressFamily.InterNetworkV6))
{
return;
}
// In order for dual-mode sockets to be used, IP6 has to be enabled in JF and an interface has to have an IP6 address.
if (addr.AddressFamily == AddressFamily.InterNetwork && config.EnableIPV6)
{
// If the server is using dual-mode sockets, IPv4 addresses are supplied in an IPv6 format.
// https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/proxy-load-balancer?view=aspnetcore-5.0 .
addr = addr.MapToIPv6();
}
if (prefixLength == 32)
{
options.KnownProxies.Add(addr);
}
else
{
options.KnownNetworks.Add(new IPNetwork(addr, prefixLength));
}
}
private static void AddSwaggerTypeMappings(this SwaggerGenOptions options)
{
/*

@ -1,5 +1,6 @@
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
@ -19,3 +20,5 @@ using System.Runtime.InteropServices;
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
[assembly: InternalsVisibleTo("Jellyfin.Api.Tests")]

@ -52,7 +52,7 @@ namespace Jellyfin.Server
{
options.HttpsPort = _serverApplicationHost.HttpsPort;
});
services.AddJellyfinApi(_serverApplicationHost.GetApiPluginAssemblies(), _serverConfigurationManager.GetNetworkConfiguration().KnownProxies);
services.AddJellyfinApi(_serverApplicationHost.GetApiPluginAssemblies(), _serverConfigurationManager.GetNetworkConfiguration());
services.AddJellyfinApiSwagger();

@ -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>());
}
}
}
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