mirror of
https://github.com/JustArchiNET/ArchiSteamFarm.git
synced 2026-01-01 06:00:46 +00:00
258 lines
8.2 KiB
C#
258 lines
8.2 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 2015-2016 Łukasz "JustArchi" Domeradzki
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Contact: JustArchi@JustArchi.net
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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using HtmlAgilityPack;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using System.Net.Http;
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using System.Threading.Tasks;
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using System.Xml;
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namespace ArchiSteamFarm {
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internal sealed class WebBrowser {
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internal const byte MaxRetries = 5; // Defines maximum number of retries, UrlRequest() does not handle retry by itself (it's app responsibility)
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private const byte MaxConnections = 10; // Defines maximum number of connections per ServicePoint. Be careful, as it also defines maximum number of sockets in CLOSE_WAIT state
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private const byte MaxIdleTime = 15; // In seconds, how long socket is allowed to stay in CLOSE_WAIT state after there are no connections to it
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private static readonly string DefaultUserAgent = "ArchiSteamFarm/" + Program.Version;
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internal readonly CookieContainer CookieContainer = new CookieContainer();
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private readonly HttpClient HttpClient;
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private readonly string Identifier;
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internal static void Init() {
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// Set max connection limit from default of 2 to desired value
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ServicePointManager.DefaultConnectionLimit = MaxConnections;
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// Set max idle time from default of 100 seconds (100 * 1000) to desired value
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ServicePointManager.MaxServicePointIdleTime = MaxIdleTime * 1000;
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// Don't use Expect100Continue, we're sure about our POSTs, save some TCP packets
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ServicePointManager.Expect100Continue = false;
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#if !__MonoCS__
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// Reuse ports if possible (since .NET 4.6+)
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//ServicePointManager.ReusePort = true;
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#endif
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}
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internal WebBrowser(string identifier) {
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if (string.IsNullOrEmpty(identifier)) {
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throw new ArgumentNullException("identifier");
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}
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Identifier = identifier;
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HttpClientHandler httpClientHandler = new HttpClientHandler {
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AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip,
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CookieContainer = CookieContainer
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};
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HttpClient = new HttpClient(httpClientHandler) {
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Timeout = TimeSpan.FromSeconds(Program.GlobalConfig.HttpTimeout)
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};
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// Most web services expect that UserAgent is set, so we declare it globally
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HttpClient.DefaultRequestHeaders.UserAgent.ParseAdd(DefaultUserAgent);
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}
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internal async Task<bool> UrlGet(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return false;
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}
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using (HttpResponseMessage response = await UrlGetToResponse(request, referer).ConfigureAwait(false)) {
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return response != null;
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}
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}
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internal async Task<bool> UrlPost(string request, Dictionary<string, string> data = null, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return false;
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}
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using (HttpResponseMessage response = await UrlPostToResponse(request, data, referer).ConfigureAwait(false)) {
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return response != null;
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}
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}
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internal async Task<string> UrlGetToContent(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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using (HttpResponseMessage httpResponse = await UrlGetToResponse(request, referer).ConfigureAwait(false)) {
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if (httpResponse == null) {
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return null;
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}
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return await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
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}
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}
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internal async Task<byte[]> UrlGetToBytes(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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using (HttpResponseMessage httpResponse = await UrlGetToResponse(request, referer).ConfigureAwait(false)) {
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if (httpResponse == null) {
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return null;
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}
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return await httpResponse.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
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}
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}
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internal async Task<HtmlDocument> UrlGetToHtmlDocument(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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string content = await UrlGetToContent(request, referer).ConfigureAwait(false);
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if (string.IsNullOrEmpty(content)) {
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return null;
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}
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content = WebUtility.HtmlDecode(content);
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HtmlDocument htmlDocument = new HtmlDocument();
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htmlDocument.LoadHtml(content);
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return htmlDocument;
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}
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internal async Task<JObject> UrlGetToJObject(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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string content = await UrlGetToContent(request, referer).ConfigureAwait(false);
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if (string.IsNullOrEmpty(content)) {
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return null;
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}
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JObject jObject;
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try {
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jObject = JObject.Parse(content);
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} catch (JsonException e) {
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Logging.LogGenericException(e, Identifier);
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return null;
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}
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return jObject;
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}
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internal async Task<XmlDocument> UrlGetToXML(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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string content = await UrlGetToContent(request, referer).ConfigureAwait(false);
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if (string.IsNullOrEmpty(content)) {
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return null;
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}
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XmlDocument xmlDocument = new XmlDocument();
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try {
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xmlDocument.LoadXml(content);
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} catch (XmlException e) {
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Logging.LogGenericException(e, Identifier);
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return null;
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}
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return xmlDocument;
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}
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private async Task<HttpResponseMessage> UrlGetToResponse(string request, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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return await UrlRequest(request, HttpMethod.Get, null, referer).ConfigureAwait(false);
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}
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private async Task<HttpResponseMessage> UrlPostToResponse(string request, Dictionary<string, string> data = null, string referer = null) {
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if (string.IsNullOrEmpty(request)) {
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return null;
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}
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return await UrlRequest(request, HttpMethod.Post, data, referer).ConfigureAwait(false);
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}
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private async Task<HttpResponseMessage> UrlRequest(string request, HttpMethod httpMethod, Dictionary<string, string> data = null, string referer = null) {
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if (string.IsNullOrEmpty(request) || httpMethod == null) {
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return null;
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}
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if (request.StartsWith("https://") && Program.GlobalConfig.ForceHttp) {
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return null;
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}
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HttpResponseMessage responseMessage;
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using (HttpRequestMessage requestMessage = new HttpRequestMessage(httpMethod, request)) {
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if (data != null && data.Count > 0) {
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try {
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requestMessage.Content = new FormUrlEncodedContent(data);
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} catch (UriFormatException e) {
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Logging.LogGenericException(e, Identifier);
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return null;
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}
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}
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if (!string.IsNullOrEmpty(referer)) {
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requestMessage.Headers.Referrer = new Uri(referer);
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}
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try {
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responseMessage = await HttpClient.SendAsync(requestMessage).ConfigureAwait(false);
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} catch { // Request failed, we don't need to know the exact reason, swallow exception
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return null;
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}
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}
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if (responseMessage == null || !responseMessage.IsSuccessStatusCode) {
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if (Debugging.IsDebugBuild || Program.GlobalConfig.Debug) {
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Logging.LogGenericError("Request: " + request + " failed!", Identifier);
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if (responseMessage != null) {
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Logging.LogGenericError("Status code: " + responseMessage.StatusCode, Identifier);
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Logging.LogGenericError("Content: " + Environment.NewLine + await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false), Identifier);
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responseMessage.Dispose();
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}
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}
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return null;
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}
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return responseMessage;
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}
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}
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}
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