Misc code improvements

ArchiSteamFarm/IPC/Controllers/Api/IPCBansController.cs

@@ -0,0 +1,77 @@
+//     _                _      _  ____   _                           _____
+//    / \    _ __  ___ | |__  (_)/ ___| | |_  ___   __ _  _ __ ___  |  ___|__ _  _ __  _ __ ___
+//   / _ \  | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_  / _` || '__|| '_ ` _ \
+//  / ___ \ | |  | (__ | | | || | ___) || |_|  __/| (_| || | | | | ||  _|| (_| || |   | | | | | |
+// /_/   \_\|_|   \___||_| |_||_||____/  \__|\___| \__,_||_| |_| |_||_|   \__,_||_|   |_| |_| |_|
+// |
+// Copyright 2015-2023 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.
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Net;
+using ArchiSteamFarm.IPC.Integration;
+using ArchiSteamFarm.IPC.Responses;
+using ArchiSteamFarm.Localization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ArchiSteamFarm.IPC.Controllers.Api;
+
+[Route("Api/IPC/Bans")]
+public sealed class IPCBansController : ArchiController {
+	/// <summary>
+	///     Clears the list of all IP addresses currently blocked by ASFs IPC module
+	/// </summary>
+	[HttpDelete]
+	[ProducesResponseType(typeof(GenericResponse), (int) HttpStatusCode.OK)]
+	public ActionResult<GenericResponse> Delete() {
+		ApiAuthenticationMiddleware.ClearFailedAuthorizations();
+
+		return Ok(new GenericResponse(true));
+	}
+
+	/// <summary>
+	///     Removes an IP address from the list of addresses currently blocked by ASFs IPC module
+	/// </summary>
+	[HttpDelete("{ipAddress:required}")]
+	[ProducesResponseType(typeof(GenericResponse), (int) HttpStatusCode.OK)]
+	[ProducesResponseType(typeof(GenericResponse), (int) HttpStatusCode.BadRequest)]
+	public ActionResult<GenericResponse> DeleteSpecific(string ipAddress) {
+		if (string.IsNullOrEmpty(ipAddress)) {
+			throw new ArgumentNullException(nameof(ipAddress));
+		}
+
+		if (!IPAddress.TryParse(ipAddress, out IPAddress? remoteAddress)) {
+			return BadRequest(new GenericResponse(false, string.Format(CultureInfo.CurrentCulture, Strings.ErrorIsInvalid, nameof(ipAddress))));
+		}
+
+		bool result = ApiAuthenticationMiddleware.UnbanIP(remoteAddress);
+
+		if (!result) {
+			return BadRequest(new GenericResponse(false, string.Format(CultureInfo.CurrentCulture, Strings.ErrorIPNotBanned, ipAddress)));
+		}
+
+		return Ok(new GenericResponse(true));
+	}
+
+	/// <summary>
+	///     Gets all IP addresses currently blocked by ASFs IPC module
+	/// </summary>
+	[HttpGet]
+	[ProducesResponseType(typeof(GenericResponse<ISet<string>>), (int) HttpStatusCode.OK)]
+	public ActionResult<GenericResponse<ISet<string>>> Get() => Ok(new GenericResponse<ISet<string>>(ApiAuthenticationMiddleware.GetCurrentlyBannedIPs().Select(static ip => ip.ToString()).ToHashSet()));
+}