diff --git a/Jellyfin.Server/Program.cs b/Jellyfin.Server/Program.cs
index 0510548b56..c196a3f236 100644
--- a/Jellyfin.Server/Program.cs
+++ b/Jellyfin.Server/Program.cs
@@ -224,7 +224,7 @@ namespace Jellyfin.Server
                         .GetManifestResourceStream("Jellyfin.Server.Resources.Configuration.logging.json"))
                     using (Stream fstr = File.Open(configPath, FileMode.CreateNew))
                     {
-                        await rscstr.CopyToAsync(fstr);
+                        await rscstr.CopyToAsync(fstr).ConfigureAwait(false);
                     }
                 }
                 var configuration = new ConfigurationBuilder()
@@ -334,11 +334,9 @@ namespace Jellyfin.Server
             }
             else
             {
-                commandLineArgsString = string.Join(" ",
-                    Environment.GetCommandLineArgs()
-                        .Skip(1)
-                        .Select(NormalizeCommandLineArgument)
-                    );
+                commandLineArgsString = string.Join(
+                    " ",
+                    Environment.GetCommandLineArgs().Skip(1).Select(NormalizeCommandLineArgument));
             }
 
             _logger.LogInformation("Executable: {0}", module);
diff --git a/Jellyfin.Server/SocketSharp/RequestMono.cs b/Jellyfin.Server/SocketSharp/RequestMono.cs
index 45cb323d28..017690062e 100644
--- a/Jellyfin.Server/SocketSharp/RequestMono.cs
+++ b/Jellyfin.Server/SocketSharp/RequestMono.cs
@@ -15,19 +15,27 @@ namespace Jellyfin.SocketSharp
         {
             int ap = header.IndexOf(attr);
             if (ap == -1)
+            {
                 return null;
+            }
 
             ap += attr.Length;
             if (ap >= header.Length)
+            {
                 return null;
+            }
 
             char ending = header[ap];
             if (ending != '"')
+            {
                 ending = ' ';
+            }
 
             int end = header.IndexOf(ending, ap + 1);
             if (end == -1)
+            {
                 return ending == '"' ? null : header.Substring(ap);
+            }
 
             return header.Substring(ap + 1, end - ap - 1);
         }
@@ -36,7 +44,9 @@ namespace Jellyfin.SocketSharp
         {
             string boundary = GetParameter(ContentType, "; boundary=");
             if (boundary == null)
+            {
                 return;
+            }
 
             using (var requestStream = InputStream)
             {
@@ -124,7 +134,9 @@ namespace Jellyfin.SocketSharp
         {
             string v = "\"" + value + "\"";
             if (v.Length > 20)
+            {
                 v = v.Substring(0, 16) + "...\"";
+            }
 
             string msg = string.Format("A potentially dangerous Request.{0} value was " +
                             "detected from the client ({1}={2}).", name, key, v);
@@ -135,21 +147,23 @@ namespace Jellyfin.SocketSharp
         static void ValidateNameValueCollection(string name, QueryParamCollection coll)
         {
             if (coll == null)
+            {
                 return;
+            }
 
             foreach (var pair in coll)
             {
                 var key = pair.Name;
                 var val = pair.Value;
                 if (val != null && val.Length > 0 && IsInvalidString(val))
+                {
                     ThrowValidationException(name, key, val);
+                }
             }
         }
 
         internal static bool IsInvalidString(string val)
-        {
-            return IsInvalidString(val, out var validationFailureIndex);
-        }
+            => IsInvalidString(val, out var validationFailureIndex);
 
         internal static bool IsInvalidString(string val, out int validationFailureIndex)
         {
@@ -157,7 +171,9 @@ namespace Jellyfin.SocketSharp
 
             int len = val.Length;
             if (len < 2)
+            {
                 return false;
+            }
 
             char current = val[0];
             for (int idx = 1; idx < len; idx++)
@@ -195,10 +211,15 @@ namespace Jellyfin.SocketSharp
 
         bool IsContentType(string ct, bool starts_with)
         {
-            if (ct == null || ContentType == null) return false;
+            if (ct == null || ContentType == null)
+            {
+                return false;
+            }
 
             if (starts_with)
+            {
                 return StrUtils.StartsWith(ContentType, ct, true);
+            }
 
             return string.Equals(ContentType, ct, StringComparison.OrdinalIgnoreCase);
         }
@@ -231,7 +252,9 @@ namespace Jellyfin.SocketSharp
                                         break;
                                     }
                                     else
+                                    {
                                         value.Append((char)c);
+                                    }
                                 }
                                 if (c == -1)
                                 {
@@ -240,22 +263,26 @@ namespace Jellyfin.SocketSharp
                                 }
                             }
                             else if (c == '&')
+                            {
                                 AddRawKeyValue(form, key, value);
+                            }
                             else
+                            {
                                 key.Append((char)c);
+                            }
                         }
                         if (c == -1)
+                        {
                             AddRawKeyValue(form, key, value);
+                        }
                     }
                 }
             }
         }
 
-        void AddRawKeyValue(WebROCollection form, StringBuilder key, StringBuilder value)
+        static void AddRawKeyValue(WebROCollection form, StringBuilder key, StringBuilder value)
         {
-            string decodedKey = WebUtility.UrlDecode(key.ToString());
-            form.Add(decodedKey,
-                  WebUtility.UrlDecode(value.ToString()));
+            form.Add(WebUtility.UrlDecode(key.ToString()), WebUtility.UrlDecode(value.ToString()));
 
             key.Length = 0;
             value.Length = 0;
@@ -271,7 +298,9 @@ namespace Jellyfin.SocketSharp
                 foreach (var pair in this)
                 {
                     if (result.Length > 0)
+                    {
                         result.Append('&');
+                    }
 
                     var key = pair.Name;
                     if (key != null && key.Length > 0)
@@ -314,33 +343,52 @@ namespace Jellyfin.SocketSharp
                 public override int Read(byte[] buffer, int dest_offset, int count)
                 {
                     if (buffer == null)
+                    {
                         throw new ArgumentNullException(nameof(buffer));
+                    }
 
                     if (dest_offset < 0)
+                    {
                         throw new ArgumentOutOfRangeException(nameof(dest_offset), "< 0");
+                    }
 
                     if (count < 0)
+                    {
                         throw new ArgumentOutOfRangeException(nameof(count), "< 0");
+                    }
 
                     int len = buffer.Length;
                     if (dest_offset > len)
+                    {
                         throw new ArgumentException("destination offset is beyond array size");
+                    }
+
                     // reordered to avoid possible integer overflow
                     if (dest_offset > len - count)
+                    {
                         throw new ArgumentException("Reading would overrun buffer");
+                    }
 
                     if (count > end - position)
+                    {
                         count = (int)(end - position);
+                    }
 
                     if (count <= 0)
+                    {
                         return 0;
+                    }
 
                     s.Position = position;
                     int result = s.Read(buffer, dest_offset, count);
                     if (result > 0)
+                    {
                         position += result;
+                    }
                     else
+                    {
                         position = end;
+                    }
 
                     return result;
                 }
@@ -348,14 +396,20 @@ namespace Jellyfin.SocketSharp
                 public override int ReadByte()
                 {
                     if (position >= end)
+                    {
                         return -1;
+                    }
 
                     s.Position = position;
                     int result = s.ReadByte();
                     if (result < 0)
+                    {
                         position = end;
+                    }
                     else
+                    {
                         position++;
+                    }
 
                     return result;
                 }
@@ -380,7 +434,9 @@ namespace Jellyfin.SocketSharp
 
                     long virt = real - offset;
                     if (virt < 0 || virt > Length)
+                    {
                         throw new ArgumentException();
+                    }
 
                     position = s.Seek(real, SeekOrigin.Begin);
                     return position;
@@ -410,7 +466,9 @@ namespace Jellyfin.SocketSharp
                     set
                     {
                         if (value > Length)
-                            throw new ArgumentOutOfRangeException();
+                        {
+                            throw new ArgumentOutOfRangeException(nameof(value));
+                        }
 
                         position = Seek(value, SeekOrigin.Begin);
                     }
@@ -438,7 +496,7 @@ namespace Jellyfin.SocketSharp
             public static readonly CultureInfo InvariantCulture = CultureInfo.InvariantCulture;
         }
 
-        internal sealed class StrUtils
+        internal static class StrUtils
         {
             public static bool StartsWith(string str1, string str2, bool ignore_case)
             {
@@ -455,11 +513,15 @@ namespace Jellyfin.SocketSharp
             {
                 int l2 = str2.Length;
                 if (l2 == 0)
+                {
                     return true;
+                }
 
                 int l1 = str1.Length;
                 if (l2 > l1)
+                {
                     return false;
+                }
 
                 var comparison = ignore_case ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
                 return str1.IndexOf(str2, comparison) == str1.Length - str2.Length - 1;
@@ -493,7 +555,7 @@ namespace Jellyfin.SocketSharp
             Encoding encoding;
             StringBuilder sb;
 
-            const byte HYPHEN = (byte)'-', LF = (byte)'\n', CR = (byte)'\r';
+            const byte LF = (byte)'\n', CR = (byte)'\r';
 
             // See RFC 2046
             // In the case of multipart entities, in which one or more different
@@ -520,7 +582,7 @@ namespace Jellyfin.SocketSharp
                 sb = new StringBuilder();
             }
 
-            string ReadLine()
+            private string ReadLine()
             {
                 // CRLF or LF are ok as line endings.
                 bool got_cr = false;
@@ -543,58 +605,86 @@ namespace Jellyfin.SocketSharp
                 }
 
                 if (got_cr)
+                {
                     sb.Length--;
+                }
 
                 return sb.ToString();
 
             }
 
-            static string GetContentDispositionAttribute(string l, string name)
+            private static string GetContentDispositionAttribute(string l, string name)
             {
                 int idx = l.IndexOf(name + "=\"");
                 if (idx < 0)
+                {
                     return null;
+                }
+
                 int begin = idx + name.Length + "=\"".Length;
                 int end = l.IndexOf('"', begin);
                 if (end < 0)
+                {
                     return null;
+                }
+
                 if (begin == end)
-                    return "";
+                {
+                    return string.Empty;
+                }
+
                 return l.Substring(begin, end - begin);
             }
 
-            string GetContentDispositionAttributeWithEncoding(string l, string name)
+            private string GetContentDispositionAttributeWithEncoding(string l, string name)
             {
                 int idx = l.IndexOf(name + "=\"");
                 if (idx < 0)
+                {
                     return null;
+                }
+
                 int begin = idx + name.Length + "=\"".Length;
                 int end = l.IndexOf('"', begin);
                 if (end < 0)
+                {
                     return null;
+                }
+
                 if (begin == end)
-                    return "";
+                {
+                    return string.Empty;
+                }
 
                 string temp = l.Substring(begin, end - begin);
                 byte[] source = new byte[temp.Length];
                 for (int i = temp.Length - 1; i >= 0; i--)
+                {
                     source[i] = (byte)temp[i];
+                }
 
                 return encoding.GetString(source, 0, source.Length);
             }
 
-            bool ReadBoundary()
+            private bool ReadBoundary()
             {
                 try
                 {
                     string line = ReadLine();
-                    while (line == "")
+                    while (line == string.Empty)
+                    {
                         line = ReadLine();
+                    }
+
                     if (line[0] != '-' || line[1] != '-')
+                    {
                         return false;
+                    }
 
                     if (!StrUtils.EndsWith(line, boundary, false))
+                    {
                         return true;
+                    }
                 }
                 catch
                 {
@@ -603,25 +693,31 @@ namespace Jellyfin.SocketSharp
                 return false;
             }
 
-            string ReadHeaders()
+            private string ReadHeaders()
             {
                 string s = ReadLine();
-                if (s == "")
+                if (s.Length == 0)
+                {
                     return null;
+                }
 
                 return s;
             }
 
-            bool CompareBytes(byte[] orig, byte[] other)
+            private static bool CompareBytes(byte[] orig, byte[] other)
             {
                 for (int i = orig.Length - 1; i >= 0; i--)
+                {
                     if (orig[i] != other[i])
+                    {
                         return false;
+                    }
+                }
 
                 return true;
             }
 
-            long MoveToNextBoundary()
+            private long MoveToNextBoundary()
             {
                 long retval = 0;
                 bool got_cr = false;
@@ -631,13 +727,18 @@ namespace Jellyfin.SocketSharp
                 while (true)
                 {
                     if (c == -1)
+                    {
                         return -1;
+                    }
 
                     if (state == 0 && c == LF)
                     {
                         retval = data.Position - 1;
                         if (got_cr)
+                        {
                             retval--;
+                        }
+
                         state = 1;
                         c = data.ReadByte();
                     }
@@ -650,7 +751,9 @@ namespace Jellyfin.SocketSharp
                     {
                         c = data.ReadByte();
                         if (c == -1)
+                        {
                             return -1;
+                        }
 
                         if (c != '-')
                         {
@@ -662,7 +765,9 @@ namespace Jellyfin.SocketSharp
                         int nread = data.Read(buffer, 0, buffer.Length);
                         int bl = buffer.Length;
                         if (nread != bl)
+                        {
                             return -1;
+                        }
 
                         if (!CompareBytes(boundary_bytes, buffer))
                         {
@@ -673,6 +778,7 @@ namespace Jellyfin.SocketSharp
                                 data.Position++;
                                 got_cr = false;
                             }
+
                             c = data.ReadByte();
                             continue;
                         }
@@ -690,12 +796,16 @@ namespace Jellyfin.SocketSharp
                                 data.Position++;
                                 got_cr = false;
                             }
+
                             c = data.ReadByte();
                             continue;
                         }
                         data.Position = retval + 2;
                         if (got_cr)
+                        {
                             data.Position++;
+                        }
+
                         break;
                     }
                     else
@@ -711,7 +821,9 @@ namespace Jellyfin.SocketSharp
             public Element ReadNextElement()
             {
                 if (at_eof || ReadBoundary())
+                {
                     return null;
+                }
 
                 var elem = new Element();
                 string header;
@@ -734,19 +846,27 @@ namespace Jellyfin.SocketSharp
                 elem.Start = start;
                 long pos = MoveToNextBoundary();
                 if (pos == -1)
+                {
                     return null;
+                }
 
                 elem.Length = pos - start;
                 return elem;
             }
 
-            static string StripPath(string path)
+            private static string StripPath(string path)
             {
                 if (path == null || path.Length == 0)
+                {
                     return path;
+                }
 
-                if (path.IndexOf(":\\") != 1 && !path.StartsWith("\\\\"))
+                if (path.IndexOf(":\\", StringComparison.Ordinal) != 1
+                    && !path.StartsWith("\\\\", StringComparison.Ordinal))
+                {
                     return path;
+                }
+
                 return path.Substring(path.LastIndexOf('\\') + 1);
             }
         }
diff --git a/Jellyfin.Server/SocketSharp/WebSocketSharpListener.cs b/Jellyfin.Server/SocketSharp/WebSocketSharpListener.cs
index ef75644d75..c7f9f01b5d 100644
--- a/Jellyfin.Server/SocketSharp/WebSocketSharpListener.cs
+++ b/Jellyfin.Server/SocketSharp/WebSocketSharpListener.cs
@@ -83,15 +83,15 @@ namespace Jellyfin.SocketSharp
 
         private void ProcessContext(HttpListenerContext context)
         {
-            //InitTask(context, _disposeCancellationToken);
-            Task.Run(() => InitTask(context, _disposeCancellationToken));
+            var _ = Task.Run(async () => await InitTask(context, _disposeCancellationToken));
         }
 
-        private void LogRequest(ILogger logger, HttpListenerRequest request)
+        private static void LogRequest(ILogger logger, HttpListenerRequest request)
         {
             var url = request.Url.ToString();
 
-            logger.LogInformation("{0} {1}. UserAgent: {2}", request.IsWebSocketRequest ? "WS" : "HTTP " + request.HttpMethod, url, request.UserAgent ?? string.Empty);
+            logger.LogInformation("{0} {1}. UserAgent: {2}",
+                request.IsWebSocketRequest ? "WS" : "HTTP " + request.HttpMethod, url, request.UserAgent ?? string.Empty);
         }
 
         private Task InitTask(HttpListenerContext context, CancellationToken cancellationToken)
@@ -196,7 +196,7 @@ namespace Jellyfin.SocketSharp
         {
             try
             {
-                ctx.Response.StatusCode = 200;
+                ctx.Response.StatusCode = statusCode;
                 ctx.Response.Close();
             }
             catch (ObjectDisposedException)
diff --git a/Jellyfin.Server/SocketSharp/WebSocketSharpRequest.cs b/Jellyfin.Server/SocketSharp/WebSocketSharpRequest.cs
index e38468388b..97550e686c 100644
--- a/Jellyfin.Server/SocketSharp/WebSocketSharpRequest.cs
+++ b/Jellyfin.Server/SocketSharp/WebSocketSharpRequest.cs
@@ -242,7 +242,6 @@ namespace Jellyfin.SocketSharp
             return request.ContentType.StartsWith(contentType, StringComparison.OrdinalIgnoreCase);
         }
 
-        public const string Xml = "application/xml";
         private static string GetQueryStringContentType(IRequest httpReq)
         {
             var format = httpReq.QueryString["format"];
@@ -250,22 +249,40 @@ namespace Jellyfin.SocketSharp
             {
                 const int formatMaxLength = 4;
                 var pi = httpReq.PathInfo;
-                if (pi == null || pi.Length <= formatMaxLength) return null;
-                if (pi[0] == '/') pi = pi.Substring(1);
+                if (pi == null || pi.Length <= formatMaxLength)
+                {
+                    return null;
+                }
+                if (pi[0] == '/')
+                {
+                    pi = pi.Substring(1);
+                }
                 format = LeftPart(pi, '/');
-                if (format.Length > formatMaxLength) return null;
+                if (format.Length > formatMaxLength)
+                {
+                    return null;
+                }
             }
 
             format = LeftPart(format, '.').ToLower();
-            if (format.Contains("json")) return "application/json";
-            if (format.Contains("xml")) return Xml;
+            if (format.Contains("json", StringComparison.OrdinalIgnoreCase))
+            {
+                return "application/json";
+            }
+            if (format.Contains("xml", StringComparison.OrdinalIgnoreCase))
+            {
+                return "application/xml";
+            }
 
             return null;
         }
 
         public static string LeftPart(string strVal, char needle)
         {
-            if (strVal == null) return null;
+            if (strVal == null)
+            {
+                return null;
+            }
             var pos = strVal.IndexOf(needle);
             return pos == -1
                 ? strVal
@@ -283,14 +300,14 @@ namespace Jellyfin.SocketSharp
                 {
                     var mode = HandlerFactoryPath;
 
-                    var pos = request.RawUrl.IndexOf("?");
+                    var pos = request.RawUrl.IndexOf("?", StringComparison.Ordinal);
                     if (pos != -1)
                     {
                         var path = request.RawUrl.Substring(0, pos);
                         this.pathInfo = GetPathInfo(
                             path,
                             mode,
-                            mode ?? "");
+                            mode ?? string.Empty);
                     }
                     else
                     {
@@ -307,18 +324,27 @@ namespace Jellyfin.SocketSharp
         private static string GetPathInfo(string fullPath, string mode, string appPath)
         {
             var pathInfo = ResolvePathInfoFromMappedPath(fullPath, mode);
-            if (!string.IsNullOrEmpty(pathInfo)) return pathInfo;
+            if (!string.IsNullOrEmpty(pathInfo))
+            {
+                return pathInfo;
+            }
 
             //Wildcard mode relies on this to work out the handlerPath
             pathInfo = ResolvePathInfoFromMappedPath(fullPath, appPath);
-            if (!string.IsNullOrEmpty(pathInfo)) return pathInfo;
+            if (!string.IsNullOrEmpty(pathInfo))
+            {
+                return pathInfo;
+            }
 
             return fullPath;
         }
 
         private static string ResolvePathInfoFromMappedPath(string fullPath, string mappedPathRoot)
         {
-            if (mappedPathRoot == null) return null;
+            if (mappedPathRoot == null)
+            {
+                return null;
+            }
 
             var sbPathInfo = new StringBuilder();
             var fullPathParts = fullPath.Split('/');
@@ -345,7 +371,10 @@ namespace Jellyfin.SocketSharp
                     }
                 }
             }
-            if (!pathRootFound) return null;
+            if (!pathRootFound)
+            {
+                return null;
+            }
 
             var path = sbPathInfo.ToString();
             return path.Length > 1 ? path.TrimEnd('/') : "/";
@@ -400,7 +429,10 @@ namespace Jellyfin.SocketSharp
         public static Encoding GetEncoding(string contentTypeHeader)
         {
             var param = GetParameter(contentTypeHeader, "charset=");
-            if (param == null) return null;
+            if (param == null)
+            {
+                return null;
+            }
             try
             {
                 return Encoding.GetEncoding(param);
@@ -423,7 +455,9 @@ namespace Jellyfin.SocketSharp
                 if (httpFiles == null)
                 {
                     if (files == null)
-                        return httpFiles = new IHttpFile[0];
+                    {
+                        return httpFiles = Array.Empty<IHttpFile>();
+                    }
 
                     httpFiles = new IHttpFile[files.Count];
                     var i = 0;