mirror of
https://github.com/JustArchiNET/ArchiSteamFarm.git
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85 lines
3.1 KiB
C#
85 lines
3.1 KiB
C#
// _ _ _ ____ _ _____
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// / \ _ __ ___ | |__ (_)/ ___| | |_ ___ __ _ _ __ ___ | ___|__ _ _ __ _ __ ___
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// / _ \ | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_ / _` || '__|| '_ ` _ \
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// / ___ \ | | | (__ | | | || | ___) || |_| __/| (_| || | | | | || _|| (_| || | | | | | | |
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// /_/ \_\|_| \___||_| |_||_||____/ \__|\___| \__,_||_| |_| |_||_| \__,_||_| |_| |_| |_|
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// |
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// Copyright 2015-2022 Łukasz "JustArchi" Domeradzki
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// Contact: JustArchi@JustArchi.net
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// |
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// |
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// http://www.apache.org/licenses/LICENSE-2.0
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// |
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Diagnostics.CodeAnalysis;
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using System.Threading.Tasks;
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using JetBrains.Annotations;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Http.Headers;
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using Microsoft.Extensions.Primitives;
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using Microsoft.Net.Http.Headers;
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namespace ArchiSteamFarm.IPC.Integration;
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[SuppressMessage("ReSharper", "ClassNeverInstantiated.Global")]
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internal sealed class LocalizationMiddleware {
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private static readonly ImmutableDictionary<string, string> CultureConversions = new Dictionary<string, string>(2, StringComparer.OrdinalIgnoreCase) {
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{ "lol-US", SharedInfo.LolcatCultureName },
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{ "sr-CS", "sr-Latn" }
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}.ToImmutableDictionary(StringComparer.OrdinalIgnoreCase);
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private readonly RequestDelegate Next;
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public LocalizationMiddleware(RequestDelegate next) => Next = next ?? throw new ArgumentNullException(nameof(next));
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[UsedImplicitly]
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public async Task InvokeAsync(HttpContext context) {
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ArgumentNullException.ThrowIfNull(context);
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RequestHeaders headers = context.Request.GetTypedHeaders();
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IList<StringWithQualityHeaderValue> acceptLanguageHeader = headers.AcceptLanguage;
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if (acceptLanguageHeader.Count == 0) {
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await Next(context).ConfigureAwait(false);
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return;
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}
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bool valuesChanged = false;
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for (int i = 0; i < acceptLanguageHeader.Count; i++) {
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StringSegment language = acceptLanguageHeader[i].Value;
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if (!language.HasValue || string.IsNullOrEmpty(language.Value)) {
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continue;
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}
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if (!CultureConversions.TryGetValue(language.Value, out string? replacement) || string.IsNullOrEmpty(replacement)) {
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continue;
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}
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acceptLanguageHeader[i] = StringWithQualityHeaderValue.Parse(replacement);
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valuesChanged = true;
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}
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if (valuesChanged) {
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// The getter returns a temporary collection; To make sure our changes are persisted, we need to assign it back
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headers.AcceptLanguage = acceptLanguageHeader;
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}
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await Next(context).ConfigureAwait(false);
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}
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}
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