ArchiSteamFarm/ArchiSteamFarm/RuntimeCompatibility/StaticHelpers.cs

//     _                _      _  ____   _                           _____
//    / \    _ __  ___ | |__  (_)/ ___| | |_  ___   __ _  _ __ ___  |  ___|__ _  _ __  _ __ ___
//   / _ \  | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_  / _` || '__|| '_ ` _ \
//  / ___ \ | |  | (__ | | | || | ___) || |_|  __/| (_| || | | | | ||  _|| (_| || |   | | | | | |
// /_/   \_\|_|   \___||_| |_||_||____/  \__|\___| \__,_||_| |_| |_||_|   \__,_||_|   |_| |_| |_|
// |
// Copyright 2015-2021 Łukasz "JustArchi" Domeradzki
// Contact: JustArchi@JustArchi.net
// |
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// |
// http://www.apache.org/licenses/LICENSE-2.0
// |
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#if NETFRAMEWORK
using System.Collections.Generic;
using System.IO;
using System.Net.WebSockets;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;
#endif
using System;
using System.Diagnostics;
using JetBrains.Annotations;

namespace ArchiSteamFarm.RuntimeCompatibility {
	[PublicAPI]
	public static class StaticHelpers {
#if NETFRAMEWORK
		private static readonly DateTime SavedProcessStartTime = DateTime.UtcNow;
#endif

#if NETFRAMEWORK
		public static bool IsRunningOnMono => Type.GetType("Mono.Runtime") != null;
#else
		public static bool IsRunningOnMono => false;
#endif

		public static DateTime ProcessStartTime {
			get {
#if NETFRAMEWORK
				if (IsRunningOnMono) {
					return SavedProcessStartTime;
				}
#endif

				using Process process = Process.GetCurrentProcess();

				return process.StartTime;
			}
		}

#if NETFRAMEWORK
		public static Task<byte[]> ComputeHashAsync(this HashAlgorithm hashAlgorithm, Stream inputStream) {
			if (hashAlgorithm == null) {
				throw new ArgumentNullException(nameof(hashAlgorithm));
			}

			return Task.FromResult(hashAlgorithm.ComputeHash(inputStream));
		}

		public static IWebHostBuilder ConfigureWebHostDefaults(this IWebHostBuilder builder, Action<IWebHostBuilder> configure) {
			if (configure == null) {
				throw new ArgumentNullException(nameof(configure));
			}

			configure(builder);

			return builder;
		}

		public static bool Contains(this string input, string value, StringComparison comparisonType) {
			if (input == null) {
				throw new ArgumentNullException(nameof(input));
			}

			return input.IndexOf(value, comparisonType) >= 0;
		}

		// ReSharper disable once UseDeconstructionOnParameter - we actually implement deconstruction here
		public static void Deconstruct<TKey, TValue>(this KeyValuePair<TKey, TValue> kv, out TKey key, out TValue value) {
			key = kv.Key;
			value = kv.Value;
		}

		public static ValueTask DisposeAsync(this IDisposable disposable) {
			if (disposable == null) {
				throw new ArgumentNullException(nameof(disposable));
			}

			disposable.Dispose();

			return default(ValueTask);
		}

		public static async Task<WebSocketReceiveResult> ReceiveAsync(this WebSocket webSocket, byte[] buffer, CancellationToken cancellationToken) {
			if (webSocket == null) {
				throw new ArgumentNullException(nameof(webSocket));
			}

			return await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), cancellationToken).ConfigureAwait(false);
		}

		public static async Task SendAsync(this WebSocket webSocket, byte[] buffer, WebSocketMessageType messageType, bool endOfMessage, CancellationToken cancellationToken) {
			if (webSocket == null) {
				throw new ArgumentNullException(nameof(webSocket));
			}

			await webSocket.SendAsync(new ArraySegment<byte>(buffer), messageType, endOfMessage, cancellationToken).ConfigureAwait(false);
		}

		public static string[] Split(this string text, char separator, StringSplitOptions options = StringSplitOptions.None) {
			if (text == null) {
				throw new ArgumentNullException(nameof(text));
			}

			return text.Split(new[] { separator }, options);
		}

		public static void TrimExcess<TKey, TValue>(this Dictionary<TKey, TValue> _) { } // no-op
#endif
	}
}