70 lines
No EOL
2.9 KiB
C#
70 lines
No EOL
2.9 KiB
C#
using LANCommander.SDK.Extensions;
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using LANCommander.Server.Settings.Enums;
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using LANCommander.Server.Settings.Models;
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using Microsoft.Extensions.Options;
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namespace LANCommander.Server.Startup;
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public static class ApplicationSettings
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{
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public static WebApplicationBuilder AddSettings(this WebApplicationBuilder builder)
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{
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var configuration = builder.Configuration.ReadFromFile<Settings.Settings>();
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var refresher = builder.Configuration.ReadFromServer<Settings.Settings>(configuration);
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builder.Services.AddSingleton(refresher);
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builder.Services.Configure<Settings.Settings>(builder.Configuration);
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// .NET 9's ConfigurationBinder treats IEnumerable<T> as an "immutable array-compatible
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// interface" and calls BindArray, which CONCATENATES the existing default values with the
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// YAML values on every binding. This causes the collections to grow on each reload.
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// The post-configure deduplicates them to prevent unbounded growth.
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builder.Services.AddSingleton<IPostConfigureOptions<Settings.Settings>>(
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new SettingsDeduplicatePostConfigure());
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return builder;
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}
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private sealed class SettingsDeduplicatePostConfigure : IPostConfigureOptions<Settings.Settings>
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{
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public void PostConfigure(string? name, Settings.Settings options)
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{
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var launcher = options.Server.Launcher;
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if (launcher.Architectures != null)
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launcher.Architectures = launcher.Architectures.Distinct().ToArray();
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if (launcher.Platforms != null)
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launcher.Platforms = launcher.Platforms.Distinct().ToArray();
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var logs = options.Server.Logs;
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if (logs.Providers != null)
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logs.Providers = logs.Providers.DistinctBy(p => p.Name).ToList();
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var media = options.Server.Media;
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if (media.MediaTypes != null)
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media.MediaTypes = media.MediaTypes.DistinctBy(m => m.Type).ToList();
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var gameServers = options.Server.GameServers;
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if (gameServers.ServerEngines != null)
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gameServers.ServerEngines = gameServers.ServerEngines.DistinctBy(e => e.Name).ToList();
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}
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}
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public static WebApplication ValidateSettings(this WebApplication app)
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{
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var settingsProvider = app.Services.GetRequiredService<SettingsProvider<Settings.Settings>>();
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var settings = app.Services.GetRequiredService<IOptions<Settings.Settings>>();
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var logger = app.Services.GetRequiredService<ILogger<Program>>();
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if (settings.Value.Server.Authentication.TokenSecret.Length < 16)
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{
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logger.LogDebug("JWT token secret is too short. Regenerating...");
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settingsProvider.Update(s =>
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{
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s.Server.Authentication.TokenSecret = Guid.NewGuid().ToString();
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});
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}
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return app;
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}
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} |