Rework WebApi.cs to use HttpClient (#1584)

* Rewrk webapi.cs to use HttpClient

* only run code signing when secrets are configured

* Workaround to check if secret is present or not

* apply it to all azure steps...

* dont replace cookie container, reuse managed object

* Fix adding MD5

---------

Co-authored-by: Natsumi <cmcooper123@hotmail.com>

.github/workflows/github_actions.yml

@@ -51,13 +51,19 @@ jobs:
                       ${{ runner.os }}-nuget-
             - name: Build Cef .NET Application
               run: dotnet build Dotnet/VRCX-Cef.csproj -p:Configuration=Release -p:WarningLevel=0 -p:Platform=x64 -p:PlatformTarget=x64 -p:RestorePackagesConfig=true -t:"Restore;Clean;Build" -m -a x64 --self-contained
+            - name: Check if we want to sign
+              id: check_sign
+              run: |
+                echo "sign=${{ secrets.AZURE_CLIENT_ID != '' }}" >> $GITHUB_OUTPUT
             - name: Azure login
+              if: steps.check_sign.outputs.sign == 'true'
               uses: azure/login@v2
               with:
                   client-id: ${{ secrets.AZURE_CLIENT_ID }}
                   tenant-id: ${{ secrets.AZURE_TENANT_ID }}
                   subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
             - name: Sign Dotnet executables
+              if: steps.check_sign.outputs.sign == 'true'
               uses: azure/trusted-signing-action@v0
               with:
                   azure-tenant-id: ${{ secrets.AZURE_TENANT_ID }}
@@ -103,6 +109,7 @@ jobs:
                   mv Installer/VRCX_Setup.exe $file_name
             - name: Sign Cef setup
               uses: azure/trusted-signing-action@v0
+              if: steps.check_sign.outputs.sign == 'true'
               with:
                   azure-tenant-id: ${{ secrets.AZURE_TENANT_ID }}
                   azure-client-id: ${{ secrets.AZURE_CLIENT_ID }}

Dotnet/ImageCache.cs

@@ -57,10 +57,10 @@ internal static class ImageCache
             
         var cookieString = string.Empty;
         if (WebApi.Instance != null &&
-            WebApi.Instance._cookieContainer != null &&
+            WebApi.Instance.CookieContainer != null &&
             uri.Host == "api.vrchat.cloud")
         {
-            CookieCollection cookies = WebApi.Instance._cookieContainer.GetCookies(new Uri("https://api.vrchat.cloud"));
+            CookieCollection cookies = WebApi.Instance.CookieContainer.GetCookies(new Uri("https://api.vrchat.cloud"));
             foreach (Cookie cookie in cookies)
                 cookieString += $"{cookie.Name}={cookie.Value};";
         }

Dotnet/WebApi.cs

@@ -4,6 +4,8 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
 using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
@@ -25,20 +27,21 @@ namespace VRCX
     {
         private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
         public static WebApi Instance;
-        
+
         public static bool ProxySet;
         public static string ProxyUrl = "";
         public static IWebProxy Proxy = WebRequest.DefaultWebProxy;
-        
-        public CookieContainer _cookieContainer;
+
+        public CookieContainer CookieContainer;
         private bool _cookieDirty;
         private Timer _timer;
 
+        private HttpClient _httpClient;
+        private SocketsHttpHandler _httpHandler;
+
         static WebApi()
         {
             Instance = new WebApi();
-            ServicePointManager.DefaultConnectionLimit = 10;
-            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
         }
 
         // leave this as public, private makes nodeapi angry
@@ -48,7 +51,7 @@ namespace VRCX
             if (Instance == null)
                 Instance = this;
 #endif
-            _cookieContainer = new CookieContainer();
+            CookieContainer = new CookieContainer();
             _timer = new Timer(TimerCallback, null, -1, -1);
         }
 
@@ -67,10 +70,32 @@ namespace VRCX
         public void Init()
         {
             SetProxy();
+            InitializeHttpClient();
             LoadCookies();
             _timer.Change(1000, 1000);
         }
 
+        private void InitializeHttpClient()
+        {
+            _httpHandler = new SocketsHttpHandler
+            {
+                CookieContainer = CookieContainer,
+                UseCookies = true,
+                AutomaticDecompression = DecompressionMethods.All,
+                PooledConnectionLifetime = TimeSpan.FromMinutes(5),
+                MaxConnectionsPerServer = 10
+            };
+
+            if (ProxySet)
+            {
+                _httpHandler.Proxy = Proxy;
+                _httpHandler.UseProxy = true;
+            }
+
+            _httpClient = new HttpClient(_httpHandler);
+            _httpClient.DefaultRequestHeaders.Add("User-Agent", Program.Version);
+        }
+
         private void SetProxy()
         {
             if (!string.IsNullOrEmpty(StartupArgs.LaunchArguments.ProxyUrl))
@@ -95,7 +120,8 @@ namespace VRCX
             {
                 VRCXStorage.Instance.Set("VRCX_ProxyServer", string.Empty);
                 VRCXStorage.Instance.Save();
-                const string message = "The proxy server URI you used is invalid.\nVRCX will close, please correct the proxy URI.";
+                const string message =
+                    "The proxy server URI you used is invalid.\nVRCX will close, please correct the proxy URI.";
 #if !LINUX
                 System.Windows.Forms.MessageBox.Show(message, "Invalid Proxy URI", MessageBoxButtons.OK, MessageBoxIcon.Error);
 #endif
@@ -115,13 +141,15 @@ namespace VRCX
 #if !LINUX
             Cef.GetGlobalCookieManager().DeleteCookies();
 #endif
-            _cookieContainer = new CookieContainer();
+            CookieContainer = new CookieContainer();
+            InitializeHttpClient();
             SaveCookies();
         }
 
         private void LoadCookies()
         {
-            SQLite.Instance.ExecuteNonQuery("CREATE TABLE IF NOT EXISTS `cookies` (`key` TEXT PRIMARY KEY, `value` TEXT)");
+            SQLite.Instance.ExecuteNonQuery(
+                "CREATE TABLE IF NOT EXISTS `cookies` (`key` TEXT PRIMARY KEY, `value` TEXT)");
             var values = SQLite.Instance.Execute("SELECT `value` FROM `cookies` WHERE `key` = @key",
                 new Dictionary<string, object>
                 {
@@ -132,25 +160,26 @@ namespace VRCX
             {
                 var item = values[0];
                 using var stream = new MemoryStream(Convert.FromBase64String((string)item[0]));
-                _cookieContainer = new CookieContainer();
-                _cookieContainer.Add(System.Text.Json.JsonSerializer.Deserialize<CookieCollection>(stream));
+                CookieContainer = new CookieContainer();
+                CookieContainer.Add(System.Text.Json.JsonSerializer.Deserialize<CookieCollection>(stream));
+                InitializeHttpClient();
             }
             catch (Exception e)
             {
                 Logger.Error($"Failed to load cookies: {e.Message}");
             }
         }
-        
+
         private List<Cookie> GetAllCookies()
         {
-            var cookieTable = (Hashtable)_cookieContainer.GetType().InvokeMember("m_domainTable",
+            var cookieTable = (Hashtable)CookieContainer.GetType().InvokeMember("m_domainTable",
                 BindingFlags.NonPublic |
                 BindingFlags.GetField |
                 BindingFlags.Instance,
                 null,
-                _cookieContainer,
+                CookieContainer,
                 new object[] { });
-            
+
             var uniqueCookies = new Dictionary<string, Cookie>();
             foreach (var item in cookieTable.Keys)
             {
@@ -165,7 +194,7 @@ namespace VRCX
                 if (!Uri.TryCreate(address, UriKind.Absolute, out var uri))
                     continue;
 
-                foreach (Cookie cookie in _cookieContainer.GetCookies(uri))
+                foreach (Cookie cookie in CookieContainer.GetCookies(uri))
                 {
                     var key = $"{domain}.{cookie.Name}";
                     if (!uniqueCookies.TryGetValue(key, out var value) ||
@@ -184,7 +213,7 @@ namespace VRCX
         {
             if (!_cookieDirty)
                 return;
-            
+
             try
             {
                 var cookies = GetAllCookies();
@@ -192,12 +221,13 @@ namespace VRCX
                 System.Text.Json.JsonSerializer.Serialize(memoryStream, cookies);
                 SQLite.Instance.ExecuteNonQuery(
                     "INSERT OR REPLACE INTO `cookies` (`key`, `value`) VALUES (@key, @value)",
-                    new Dictionary<string, object>() {
-                        {"@key", "default"},
-                        {"@value", Convert.ToBase64String(memoryStream.ToArray())}
+                    new Dictionary<string, object>()
+                    {
+                        { "@key", "default" },
+                        { "@value", Convert.ToBase64String(memoryStream.ToArray()) }
                     }
                 );
-                
+
                 _cookieDirty = false;
             }
             catch (Exception e)
@@ -219,130 +249,77 @@ namespace VRCX
         {
             using (var stream = new MemoryStream(Convert.FromBase64String(cookies)))
             {
-                _cookieContainer = new CookieContainer();
-                _cookieContainer.Add(System.Text.Json.JsonSerializer.Deserialize<CookieCollection>(stream));
+                CookieContainer.Add(System.Text.Json.JsonSerializer.Deserialize<CookieCollection>(stream));
             }
 
             _cookieDirty = true; // force cookies to be saved for lastUserLoggedIn
         }
 
-        private static async Task LegacyImageUpload(HttpWebRequest request, IDictionary<string, object> options)
+        private async Task<HttpRequestMessage> BuildLegacyImageUploadRequest(string url, IDictionary<string, object> options)
         {
-            if (ProxySet)
-                request.Proxy = Proxy;
-
-            request.AutomaticDecompression = DecompressionMethods.All;
-            request.Method = "POST";
+            var request = new HttpRequestMessage(HttpMethod.Post, url);
             var boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
-            request.ContentType = "multipart/form-data; boundary=" + boundary;
-            var requestStream = request.GetRequestStream();
+            var content = new MultipartFormDataContent(boundary);
+
             if (options.TryGetValue("postData", out var postDataObject))
             {
-                var postData = new Dictionary<string, string>();
-                postData.Add("data", (string)postDataObject);
-                const string formDataTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}\r\n";
-                foreach (var key in postData.Keys)
-                {
-                    var item = string.Format(formDataTemplate, boundary, key, postData[key]);
-                    var itemBytes = Encoding.UTF8.GetBytes(item);
-                    await requestStream.WriteAsync(itemBytes);
-                }
+                content.Add(new StringContent((string)postDataObject), "data");
             }
+
             var imageData = options["imageData"] as string;
             var fileToUpload = Program.AppApiInstance.ResizeImageToFitLimits(Convert.FromBase64String(imageData), false);
-            const string fileFormKey = "image";
-            const string fileName = "image.png";
-            const string fileMimeType = "image/png";
-            const string headerTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n";
-            var header = string.Format(headerTemplate, boundary, fileFormKey, fileName, fileMimeType);
-            var headerBytes = Encoding.UTF8.GetBytes(header);
-            await requestStream.WriteAsync(headerBytes);
-            using (var fileStream = new MemoryStream(fileToUpload))
-            {
-                var buffer = new byte[1024];
-                var bytesRead = 0;
-                while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
-                {
-                    await requestStream.WriteAsync(buffer.AsMemory(0, bytesRead));
-                }
-                fileStream.Close();
-            }
-            var newlineBytes = Encoding.UTF8.GetBytes("\r\n");
-            await requestStream.WriteAsync(newlineBytes);
-            var endBytes = Encoding.UTF8.GetBytes("--" + boundary + "--");
-            await requestStream.WriteAsync(endBytes);
-            requestStream.Close();
+            var imageContent = new ByteArrayContent(fileToUpload);
+            imageContent.Headers.ContentType = new MediaTypeHeaderValue("image/png");
+            content.Add(imageContent, "image", "image.png");
+
+            request.Content = content;
+            return request;
         }
 
-        private static async Task UploadFilePut(HttpWebRequest request, IDictionary<string, object> options)
+        private async Task<HttpRequestMessage> BuildUploadFilePutRequest(string url, IDictionary<string, object> options)
         {
-            if (ProxySet)
-                request.Proxy = Proxy;
-
-            request.AutomaticDecompression = DecompressionMethods.All;
-            request.Method = "PUT";
-            request.ContentType = options["fileMIME"] as string;
+            var request = new HttpRequestMessage(HttpMethod.Put, url);
             var fileData = options["fileData"] as string;
             var sentData = Convert.FromBase64CharArray(fileData.ToCharArray(), 0, fileData.Length);
-            request.ContentLength = sentData.Length;
-            await using var sendStream = request.GetRequestStream();
-            await sendStream.WriteAsync(sentData);
-            sendStream.Close();
+            var content = new ByteArrayContent(sentData);
+            content.Headers.ContentType = new MediaTypeHeaderValue(options["fileMIME"] as string);
+            if (options.TryGetValue("fileMD5", out var fileMd5))
+                content.Headers.ContentMD5 = Convert.FromBase64String(fileMd5 as string);
+            request.Content = content;
+            return request;
         }
-        
-        private static async Task ImageUpload(HttpWebRequest request, IDictionary<string, object> options)
-        {
-            if (ProxySet)
-                request.Proxy = Proxy;
 
-            request.AutomaticDecompression = DecompressionMethods.All;
-            request.Method = "POST";
+        private async Task<HttpRequestMessage> BuildImageUploadRequest(string url, IDictionary<string, object> options)
+        {
+            var request = new HttpRequestMessage(HttpMethod.Post, url);
             var boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
-            request.ContentType = "multipart/form-data; boundary=" + boundary;
-            var requestStream = request.GetRequestStream();
-            if (options.TryGetValue("postData", out object postDataObject))
+            var content = new MultipartFormDataContent(boundary);
+
+            if (options.TryGetValue("postData", out var postDataObject))
             {
                 var jsonPostData = (JObject)JsonConvert.DeserializeObject((string)postDataObject);
-                const string formDataTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}\r\n";
                 if (jsonPostData != null)
                 {
                     foreach (var data in jsonPostData)
                     {
-                        var item = string.Format(formDataTemplate, boundary, data.Key, data.Value);
-                        var itemBytes = Encoding.UTF8.GetBytes(item);
-                        await requestStream.WriteAsync(itemBytes);
+                        content.Add(new StringContent(data.Value?.ToString() ?? string.Empty), data.Key);
                     }
                 }
             }
+
             var imageData = options["imageData"] as string;
             var matchingDimensions = options["matchingDimensions"] as bool? ?? false;
             var fileToUpload = Program.AppApiInstance.ResizeImageToFitLimits(Convert.FromBase64String(imageData), matchingDimensions);
 
-            const string fileFormKey = "file";
-            const string fileName = "blob";
-            const string fileMimeType = "image/png";
-            const string headerTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n";
-            var header = string.Format(headerTemplate, boundary, fileFormKey, fileName, fileMimeType);
-            var headerBytes = Encoding.UTF8.GetBytes(header);
-            await requestStream.WriteAsync(headerBytes);
-            using (var fileStream = new MemoryStream(fileToUpload))
-            {
-                var buffer = new byte[1024];
-                var bytesRead = 0;
-                while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
-                {
-                    await requestStream.WriteAsync(buffer.AsMemory(0, bytesRead));
-                }
-                fileStream.Close();
-            }
-            var newlineBytes = Encoding.UTF8.GetBytes("\r\n");
-            await requestStream.WriteAsync(newlineBytes);
-            var endBytes = Encoding.UTF8.GetBytes("--" + boundary + "--");
-            await requestStream.WriteAsync(endBytes);
-            requestStream.Close();
+            var imageContent = new ByteArrayContent(fileToUpload);
+            imageContent.Headers.ContentType = new MediaTypeHeaderValue("image/png");
+            content.Add(imageContent, "file", "blob");
+
+            request.Content = content;
+            return request;
         }
-        
-        private static async Task PrintImageUpload(HttpWebRequest request, IDictionary<string, object> options)
+
+        private async Task<HttpRequestMessage> BuildPrintImageUploadRequest(string url, IDictionary<string, object> options)
         {
             if (options.TryGetValue("cropWhiteBorder", out var cropWhiteBorder) && (bool)cropWhiteBorder)
             {
@@ -356,40 +333,19 @@ namespace VRCX
                     options["imageData"] = Convert.ToBase64String(ms2.ToArray());
                 }
             }
-            
-            if (ProxySet)
-                request.Proxy = Proxy;
 
-            request.AutomaticDecompression = DecompressionMethods.All;
-            request.Method = "POST";
+            var request = new HttpRequestMessage(HttpMethod.Post, url);
             var boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
-            request.ContentType = "multipart/form-data; boundary=" + boundary;
-            var requestStream = request.GetRequestStream();
+            var content = new MultipartFormDataContent(boundary);
+
             var imageData = options["imageData"] as string;
             var fileToUpload = Program.AppApiInstance.ResizePrintImage(Convert.FromBase64String(imageData));
-            const string fileFormKey = "image";
-            const string fileName = "image";
-            const string fileMimeType = "image/png";
-            var fileSize = fileToUpload.Length;
-            const string headerTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\nContent-Length: {4}\r\n";
-            var header = string.Format(headerTemplate, boundary, fileFormKey, fileName, fileMimeType, fileSize);
-            var headerBytes = Encoding.UTF8.GetBytes(header);
-            await requestStream.WriteAsync(headerBytes);
-            var newlineBytes = Encoding.UTF8.GetBytes("\r\n");
-            await requestStream.WriteAsync(newlineBytes);
-            using (var fileStream = new MemoryStream(fileToUpload))
-            {
-                var buffer = new byte[1024];
-                int bytesRead;
-                while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
-                {
-                    await requestStream.WriteAsync(buffer.AsMemory(0, bytesRead));
-                }
-                fileStream.Close();
-            }
-            const string textContentType = "text/plain; charset=utf-8";
-            const string formDataTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\nContent-Type: {2}\r\nContent-Length: {3}\r\n\r\n{4}\r\n";
-            await requestStream.WriteAsync(newlineBytes);
+
+            var imageContent = new ByteArrayContent(fileToUpload);
+            imageContent.Headers.ContentType = new MediaTypeHeaderValue("image/png");
+            imageContent.Headers.ContentLength = fileToUpload.Length;
+            content.Add(imageContent, "image", "image");
+
             if (options.TryGetValue("postData", out var postDataObject))
             {
                 var jsonPostData = JsonConvert.DeserializeObject<Dictionary<string, string>>(postDataObject.ToString());
@@ -397,17 +353,16 @@ namespace VRCX
                 {
                     foreach (var (key, value) in jsonPostData)
                     {
-                        var section = string.Format(formDataTemplate, boundary, key, textContentType, value.Length, value);
-                        var sectionBytes = Encoding.UTF8.GetBytes(section);
-                        await requestStream.WriteAsync(sectionBytes);
+                        var stringContent = new StringContent(value, Encoding.UTF8, "text/plain");
+                        content.Add(stringContent, key);
                     }
                 }
             }
-            var endBytes = Encoding.UTF8.GetBytes("--" + boundary + "--");
-            await requestStream.WriteAsync(endBytes);
-            requestStream.Close();
+
+            request.Content = content;
+            return request;
         }
-        
+
         public async Task<string> ExecuteJson(string options)
         {
             var data = JsonConvert.DeserializeObject<Dictionary<string, object>>(options);
@@ -423,112 +378,112 @@ namespace VRCX
         {
             try
             {
-                // TODO: switch to HttpClient
-#pragma warning disable SYSLIB0014 // Type or member is obsolete
-                var request = WebRequest.CreateHttp((string)options["url"]);
-#pragma warning restore SYSLIB0014 // Type or member is obsolete
-                if (ProxySet)
-                    request.Proxy = Proxy;
+                var url = (string)options["url"];
+                HttpRequestMessage request;
 
-                request.CookieContainer = _cookieContainer;
-                request.KeepAlive = true;
-                request.UserAgent = Program.Version;
-                request.AutomaticDecompression = DecompressionMethods.All;
+                // Handle special upload types
+                if (options.TryGetValue("uploadImageLegacy", out _))
+                {
+                    request = await BuildLegacyImageUploadRequest(url, options);
+                }
+                else if (options.TryGetValue("uploadFilePUT", out _))
+                {
+                    request = await BuildUploadFilePutRequest(url, options);
+                }
+                else if (options.TryGetValue("uploadImage", out _))
+                {
+                    request = await BuildImageUploadRequest(url, options);
+                }
+                else if (options.TryGetValue("uploadImagePrint", out _))
+                {
+                    request = await BuildPrintImageUploadRequest(url, options);
+                }
+                else
+                {
+                    // Standard request
+                    var httpMethod = HttpMethod.Get;
+                    if (options.TryGetValue("method", out var methodObj))
+                    {
+                        httpMethod = HttpMethod.Parse(methodObj.ToString());
+                    }
 
+                    request = new HttpRequestMessage(httpMethod, url);
+
+                    // Handle body for non-GET requests
+                    if (httpMethod != HttpMethod.Get && options.TryGetValue("body", out var body))
+                    {
+                        var bodyContent = new StringContent((string)body, Encoding.UTF8);
+
+                        // Set content type if specified in headers
+                        if (options.TryGetValue("headers", out var headersObj))
+                        {
+                            var headersDict = ParseHeaders(headersObj);
+                            if (headersDict.TryGetValue("Content-Type", out var contentType))
+                            {
+                                bodyContent.Headers.ContentType = MediaTypeHeaderValue.Parse(contentType);
+                            }
+                        }
+
+                        request.Content = bodyContent;
+                    }
+                }
+
+                // Apply headers
                 if (options.TryGetValue("headers", out var headers))
                 {
-                    Dictionary<string, string> headersDict;
-                    if (headers.GetType() == typeof(JObject))
-                    {
-                        headersDict = ((JObject)headers).ToObject<Dictionary<string, string>>();
-                    }
-                    else
-                    {
-                        var headersKvp = (IEnumerable<KeyValuePair<string, object>>)headers;
-                        headersDict = new Dictionary<string, string>();
-                        foreach (var (key, value) in headersKvp)
-                            headersDict.Add(key, value.ToString());
-                    }
-
+                    var headersDict = ParseHeaders(headers);
                     foreach (var (key, value) in headersDict)
                     {
-                        if (string.Compare(key, "Content-Type", StringComparison.OrdinalIgnoreCase) == 0)
-                            request.ContentType = value;
-                        else if (string.Compare(key, "Referer", StringComparison.OrdinalIgnoreCase) == 0)
-                            request.Referer = value;
+                        // Skip Content-Type as it's set on content
+                        if (string.Equals(key, "Content-Type", StringComparison.OrdinalIgnoreCase))
+                            continue;
+
+                        if (string.Equals(key, "Referer", StringComparison.OrdinalIgnoreCase))
+                        {
+                            request.Headers.Referrer = new Uri(value);
+                        }
                         else
-                            request.Headers.Add(key, value);
+                        {
+                            request.Headers.TryAddWithoutValidation(key, value);
+                        }
                     }
                 }
 
-                if (options.TryGetValue("method", out var method))
-                {
-                    request.Method = (string)method;
-                    if (string.Compare(request.Method, "GET", StringComparison.OrdinalIgnoreCase) != 0 &&
-                        options.TryGetValue("body", out var body))
-                    {
-                        await using var bodyStream = await request.GetRequestStreamAsync();
-                        await using var streamWriter = new StreamWriter(bodyStream);
-                        await streamWriter.WriteAsync((string)body);
-                    }
-                }
+                using var response = await _httpClient.SendAsync(request);
 
-                if (options.TryGetValue("uploadImage", out _))
-                    await ImageUpload(request, options);
-
-                if (options.TryGetValue("uploadFilePUT", out _))
-                    await UploadFilePut(request, options);
-
-                if (options.TryGetValue("uploadImageLegacy", out _))
-                    await LegacyImageUpload(request, options);
-
-                if (options.TryGetValue("uploadImagePrint", out _))
-                    await PrintImageUpload(request, options);
-
-                using var response = await request.GetResponseAsync() as HttpWebResponse;
-                if (response?.Headers["Set-Cookie"] != null)
+                // Check if cookies were modified
+                if (response.Headers.Contains("Set-Cookie"))
                     _cookieDirty = true;
 
-                await using var imageStream = response.GetResponseStream();
-                using var streamReader = new StreamReader(imageStream);
-                if (response.ContentType.Contains("image/") ||
-                    response.ContentType.Contains("application/octet-stream"))
+                var contentTypeResponse = response.Content.Headers.ContentType?.MediaType ?? string.Empty;
+
+                if (contentTypeResponse.Contains("image/") || contentTypeResponse.Contains("application/octet-stream"))
                 {
-                    // base64 response data for image
-                    using var memoryStream = new MemoryStream();
-                    await imageStream.CopyToAsync(memoryStream);
+                    // Base64 response data for image
+                    var imageBytes = await response.Content.ReadAsByteArrayAsync();
                     return new Tuple<int, string>(
                         (int)response.StatusCode,
-                        $"data:image/png;base64,{Convert.ToBase64String(memoryStream.ToArray())}"
+                        $"data:image/png;base64,{Convert.ToBase64String(imageBytes)}"
                     );
                 }
 
+                var responseBody = await response.Content.ReadAsStringAsync();
                 return new Tuple<int, string>(
                     (int)response.StatusCode,
-                    await streamReader.ReadToEndAsync()
+                    responseBody
                 );
             }
-            catch (WebException webException)
+            catch (HttpRequestException httpException)
             {
-                if (webException.Response is HttpWebResponse response)
-                {
-                    if (response.Headers["Set-Cookie"] != null)
-                        _cookieDirty = true;
+                if (httpException.InnerException != null)
+                    Logger.Error($"{httpException.Message} | {httpException.InnerException}");
 
-                    await using var stream = response.GetResponseStream();
-                    using var streamReader = new StreamReader(stream);
-                    return new Tuple<int, string>(
-                        (int)response.StatusCode,
-                        await streamReader.ReadToEndAsync()
-                    );
-                }
-
-                if (webException.InnerException != null)
-                    Logger.Error($"{webException.Message} | {webException.InnerException}");
+                // Try to get status code if available
+                var statusCode = httpException.StatusCode.HasValue ? (int)httpException.StatusCode.Value : -1;
 
                 return new Tuple<int, string>(
-                    -1,
-                    webException.Message
+                    statusCode,
+                    httpException.Message
                 );
             }
             catch (Exception e)
@@ -542,5 +497,22 @@ namespace VRCX
                 );
             }
         }
+
+        private static Dictionary<string, string> ParseHeaders(object headers)
+        {
+            Dictionary<string, string> headersDict;
+            if (headers.GetType() == typeof(JObject))
+            {
+                headersDict = ((JObject)headers).ToObject<Dictionary<string, string>>();
+            }
+            else
+            {
+                var headersKvp = (IEnumerable<KeyValuePair<string, object>>)headers;
+                headersDict = new Dictionary<string, string>();
+                foreach (var (key, value) in headersKvp)
+                    headersDict.Add(key, value.ToString());
+            }
+            return headersDict;
+        }
     }
-}
+}

src/components/dialogs/AvatarDialog/ChangeAvatarImageDialog.vue

@@ -199,9 +199,7 @@
             uploadFilePUT: true,
             fileData: avatarImage.value.base64File,
             fileMIME: 'image/png',
-            headers: {
-                'Content-MD5': avatarImage.value.fileMd5
-            }
+            fileMD5: avatarImage.value.fileMd5
         });
 
         if (json.status !== 200) {
@@ -252,9 +250,7 @@
             uploadFilePUT: true,
             fileData: avatarImage.value.base64SignatureFile,
             fileMIME: 'application/x-rsync-signature',
-            headers: {
-                'Content-MD5': avatarImage.value.signatureMd5
-            }
+            fileMD5: avatarImage.value.signatureMd5
         });
 
         if (json.status !== 200) {

src/components/dialogs/WorldDialog/ChangeWorldImageDialog.vue

@@ -192,9 +192,7 @@
             uploadFilePUT: true,
             fileData: worldImage.value.base64File,
             fileMIME: 'image/png',
-            headers: {
-                'Content-MD5': worldImage.value.fileMd5
-            }
+            fileMD5: worldImage.value.fileMd5
         });
 
         if (json.status !== 200) {
@@ -245,9 +243,7 @@
             uploadFilePUT: true,
             fileData: worldImage.value.base64SignatureFile,
             fileMIME: 'application/x-rsync-signature',
-            headers: {
-                'Content-MD5': worldImage.value.signatureMd5
-            }
+            fileMD5: worldImage.value.signatureMd5
         });
 
         if (json.status !== 200) {

src/types/globals.d.ts

@@ -408,10 +408,11 @@ declare global {
             uploadFilePUT?: boolean;
             fileData?: string;
             fileMIME?: string;
+            fileMD5?: string;
             headers?: Record<string, string>;
             data?: any;
         }): Promise<{ status: number; data: string }>;
     };
 }
 
-export { };
+export {};