Handle unsupported browser warnings

eng/versioning.targets

@@ -29,6 +29,10 @@
     </AssemblyAttribute>
   </ItemGroup>
 
+  <ItemGroup Condition="('$(TargetsBrowser)' == 'true' or '$(TargetsAnyOS)' == 'true') and '$(IsTestProject)' != 'true'">
+    <SupportedPlatform Include="browser"/>
+  </ItemGroup>
+
   <ItemGroup>
     <_unsupportedOSPlatforms Include="$(UnsupportedOSPlatforms)" />
   </ItemGroup>

src/libraries/Microsoft.Extensions.Logging.Console/src/AnsiParsingLogConsole.cs

@@ -28,6 +28,7 @@ private bool SetColor(ConsoleColor? background, ConsoleColor? foreground)
             return SetForegroundColor(foreground) || backgroundChanged;
         }
 
+#pragma warning disable CA1416 // Validate platform compatibility, not sure if this assembly is used for browser, suppressing for now
         private bool SetBackgroundColor(ConsoleColor? background)
         {
             if (background.HasValue)
@@ -52,6 +53,7 @@ private void ResetColor()
         {
             System.Console.ResetColor();
         }
+#pragma warning restore CA1416
 
         private void WriteToConsole(string message, int startIndex, int length, ConsoleColor? background, ConsoleColor? foreground)
         {

src/libraries/Microsoft.Extensions.Logging.Console/src/ConsoleLoggerProcessor.cs

@@ -25,7 +25,9 @@ public ConsoleLoggerProcessor()
                 IsBackground = true,
                 Name = "Console logger queue processing thread"
             };
+#pragma warning disable CA1416 // Validate platform compatibility, not sure if this assembly is used for browser, suppressing for now
             _outputThread.Start();
+#pragma warning restore CA1416
         }
 
         public virtual void EnqueueMessage(LogMessageEntry message)

src/libraries/System.ComponentModel.TypeConverter/ref/System.ComponentModel.TypeConverter.cs

@@ -1023,6 +1023,7 @@ protected PropertyDescriptor(string name, System.Attribute[] attrs) : base (defa
         public virtual bool SupportsChangeEvents { get { throw null; } }
         public virtual void AddValueChanged(object component, System.EventHandler handler) { }
         public abstract bool CanResetValue(object component);
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         protected object CreateInstance(System.Type type) { throw null; }
         public override bool Equals(object obj) { throw null; }
         protected override void FillAttributes(System.Collections.IList attributeList) { }

src/libraries/System.ComponentModel.TypeConverter/src/System/ComponentModel/DelegatingTypeDescriptionProvider.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Collections;
+using System.Runtime.Versioning;
 
 namespace System.ComponentModel
 {
@@ -31,6 +32,7 @@ internal DelegatingTypeDescriptionProvider(Type type)
         /// data type. If the method is not interested in providing a substitute
         /// instance, it should call base.
         /// </summary>
+        [UnsupportedOSPlatform("browser")]
         public override object CreateInstance(IServiceProvider provider, Type objectType, Type[] argTypes, object[] args)
         {
             return Provider.CreateInstance(provider, objectType, argTypes, args);

src/libraries/System.ComponentModel.TypeConverter/src/System/ComponentModel/PropertyDescriptor.cs

@@ -4,6 +4,7 @@
 using System.Collections;
 using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
+using System.Runtime.Versioning;
 
 namespace System.ComponentModel
 {
@@ -69,7 +70,7 @@ public virtual TypeConverter Converter
                     if (attr.ConverterTypeName != null && attr.ConverterTypeName.Length > 0)
                     {
                         Type converterType = GetTypeFromName(attr.ConverterTypeName);
-                        if (converterType != null && typeof(TypeConverter).IsAssignableFrom(converterType))
+                        if (converterType != null && typeof(TypeConverter).IsAssignableFrom(converterType) && !OperatingSystem.IsBrowser())
                         {
                             _converter = (TypeConverter)CreateInstance(converterType);
                         }
@@ -183,6 +184,7 @@ public override bool Equals(object obj)
         /// <summary>
         /// Creates an instance of the specified type.
         /// </summary>
+        [UnsupportedOSPlatform("browser")]
         protected object CreateInstance(Type type)
         {
             Type[] typeArgs = new Type[] { typeof(Type) };
@@ -272,7 +274,7 @@ public virtual object GetEditor(Type editorBaseType)
                     if (editorBaseType == editorType)
                     {
                         Type type = GetTypeFromName(attr.EditorTypeName);
-                        if (type != null)
+                        if (type != null && !OperatingSystem.IsBrowser())
                         {
                             editor = CreateInstance(type);
                             break;

src/libraries/System.ComponentModel.TypeConverter/src/System/ComponentModel/TypeDescriptor.cs

@@ -3051,6 +3051,7 @@ internal TypeDescriptionNode(TypeDescriptionProvider provider)
             /// Implements CreateInstance. This just walks the linked list
             /// looking for someone who implements the call.
             /// </summary>
+            [UnsupportedOSPlatform("browser")]
             public override object CreateInstance(IServiceProvider provider, Type objectType, Type[] argTypes, object[] args)
             {
                 if (objectType == null)

src/libraries/System.Diagnostics.TextWriterTraceListener/src/System/Diagnostics/XmlWriterTraceListener.cs

@@ -260,8 +260,10 @@ private void WriteEndHeader()
             {
                 try
                 {
+#pragma warning disable CA1416 // Validate platform compatibility
                     using Process process = Process.GetCurrentProcess();
                     s_processName = processName = process.ProcessName;
+#pragma warning restore CA1416
                 }
                 catch (PlatformNotSupportedException) // Process isn't supported on Browser
                 {

src/libraries/System.Linq.Parallel/src/System/Linq/Parallel/Merging/OrderPreservingPipeliningMergeHelper.cs

@@ -399,7 +399,9 @@ private bool TryWaitForElement(int producer, ref Pair<TKey, TOutput> element)
                         }
 
                         _mergeHelper._consumerWaiting[producer] = true;
+#pragma warning disable CA1416 // Validate platform compatibility, it might not reachable on browser, suppressing for now
                         Monitor.Wait(bufferLock);
+#pragma warning restore CA1416
 
                         // If the buffer is still empty, the producer is done
                         if (buffer.Count == 0)

src/libraries/System.Linq.Parallel/src/System/Linq/Parallel/Scheduling/OrderPreservingPipeliningSpoolingTask.cs

@@ -15,6 +15,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using System.Diagnostics;
+using System.Runtime.Versioning;
 
 namespace System.Linq.Parallel
 {
@@ -84,6 +85,7 @@ internal OrderPreservingPipeliningSpoolingTask(
         /// This method is responsible for enumerating results and enqueuing them to
         /// the output buffer as appropriate.  Each base class implements its own.
         /// </summary>
+        [UnsupportedOSPlatform("browser")]
         protected override void SpoolingWork()
         {
             TOutput element = default(TOutput)!;

src/libraries/System.Net.Connections/ref/System.Net.Connections.cs

@@ -75,7 +75,9 @@ public partial class SocketsConnectionFactory : System.Net.Connections.Connectio
     {
         public SocketsConnectionFactory(System.Net.Sockets.AddressFamily addressFamily, System.Net.Sockets.SocketType socketType, System.Net.Sockets.ProtocolType protocolType) { }
         public SocketsConnectionFactory(System.Net.Sockets.SocketType socketType, System.Net.Sockets.ProtocolType protocolType) { }
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         public override System.Threading.Tasks.ValueTask<System.Net.Connections.Connection> ConnectAsync(System.Net.EndPoint? endPoint, System.Net.Connections.IConnectionProperties? options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         protected virtual System.Net.Sockets.Socket CreateSocket(System.Net.Sockets.AddressFamily addressFamily, System.Net.Sockets.SocketType socketType, System.Net.Sockets.ProtocolType protocolType, System.Net.EndPoint? endPoint, System.Net.Connections.IConnectionProperties? options) { throw null; }
     }
 }

src/libraries/System.Net.Connections/src/System/Net/Connections/Sockets/SocketConnection.cs

@@ -6,11 +6,13 @@
 using System.IO.Pipelines;
 using System.Net.Sockets;
 using System.Runtime.ExceptionServices;
+using System.Runtime.Versioning;
 using System.Threading;
 using System.Threading.Tasks;
 
 namespace System.Net.Connections
 {
+    [UnsupportedOSPlatform("browser")]
     internal sealed class SocketConnection : Connection, IConnectionProperties
     {
         private readonly Socket _socket;

src/libraries/System.Net.Connections/src/System/Net/Connections/Sockets/SocketsConnectionFactory.cs

@@ -4,6 +4,7 @@
 using System.IO;
 using System.IO.Pipelines;
 using System.Net.Sockets;
+using System.Runtime.Versioning;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -52,6 +53,7 @@ public SocketsConnectionFactory(SocketType socketType, ProtocolType protocolType
 
         /// <inheritdoc />
         /// <exception cref="ArgumentNullException">When <paramref name="endPoint"/> is <see langword="null"/>.</exception>
+        [UnsupportedOSPlatform("browser")]
         public override async ValueTask<Connection> ConnectAsync(
             EndPoint? endPoint,
             IConnectionProperties? options = null,
@@ -92,6 +94,7 @@ public override async ValueTask<Connection> ConnectAsync(
         /// In case of TCP sockets, the default implementation of this method will create a socket with <see cref="Socket.NoDelay"/> enabled.
         /// In case of IPv6 sockets <see cref="Socket.DualMode"/> is also be enabled.
         /// </remarks>
+        [UnsupportedOSPlatform("browser")]
         protected virtual Socket CreateSocket(
             AddressFamily addressFamily,
             SocketType socketType,

src/libraries/System.Net.Http/src/System.Net.Http.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <WindowsRID>win</WindowsRID>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -108,8 +108,6 @@
     <Compile Include="System\Net\Http\Headers\WarningHeaderValue.cs" />
     <Compile Include="$(CommonPath)System\IO\StreamHelpers.CopyValidation.cs"
              Link="Common\System\IO\StreamHelpers.CopyValidation.cs" />
-    <Compile Include="$(CommonPath)System\Net\Security\SslClientAuthenticationOptionsExtensions.cs"
-             Link="Common\System\Net\Security\SslClientAuthenticationOptionsExtensions.cs" />
     <Compile Include="$(CommonPath)System\IO\DelegatingStream.cs"
              Link="Common\System\IO\DelegatingStream.cs" />
     <Compile Include="$(CommonPath)System\IO\ReadOnlyMemoryStream.cs"
@@ -185,6 +183,8 @@
              Link="Common\System\Net\SecurityStatusPal.cs" />
     <Compile Include="$(CommonPath)System\Net\Security\SSPIHandleCache.cs"
              Link="Common\System\Net\Security\SSPIHandleCache.cs" />
+    <Compile Include="$(CommonPath)System\Net\Security\SslClientAuthenticationOptionsExtensions.cs"
+             Link="Common\System\Net\Security\SslClientAuthenticationOptionsExtensions.cs" />
     <Compile Include="$(CommonPath)System\Net\Security\NetEventSource.Security.cs"
              Link="Common\System\Net\Security\NetEventSource.Security.cs" />
     <Compile Include="$(CommonPath)System\Net\ExceptionCheck.cs"

src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs

@@ -510,7 +510,9 @@ private async ValueTask<HttpResponseMessage> SendAsyncCore(
                 // Wait for the send request to complete, getting back the response.
                 response = async ?
                     await base.SendAsync(request, cts.Token).ConfigureAwait(false) :
+#pragma warning disable CA1416 // Validate platform compatibility
                     base.Send(request, cts.Token);
+#pragma warning restore CA1416
                 ThrowForNullResponse(response);
 
                 // Buffer the response content if we've been asked to.

src/libraries/System.Net.ServicePoint/ref/System.Net.ServicePoint.cs

@@ -48,6 +48,7 @@ internal ServicePointManager() { }
         public static int DefaultConnectionLimit { get { throw null; } set { } }
         public static int DnsRefreshTimeout { get { throw null; } set { } }
         public static bool EnableDnsRoundRobin { get { throw null; } set { } }
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         public static System.Net.Security.EncryptionPolicy EncryptionPolicy { get { throw null; } }
         public static bool Expect100Continue { get { throw null; } set { } }
         public static int MaxServicePointIdleTime { get { throw null; } set { } }

src/libraries/System.Net.ServicePoint/src/System/Net/ServicePointManager.cs

@@ -4,6 +4,7 @@
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Net.Security;
+using System.Runtime.Versioning;
 using System.Threading;
 
 namespace System.Net
@@ -102,6 +103,7 @@ public static int DnsRefreshTimeout
 
         public static bool CheckCertificateRevocationList { get; set; }
 
+        [UnsupportedOSPlatform("browser")]
         public static EncryptionPolicy EncryptionPolicy { get; } = EncryptionPolicy.RequireEncryption;
 
         [Obsolete(Obsoletions.WebRequestMessage, DiagnosticId = Obsoletions.WebRequestDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]

src/libraries/System.Net.WebProxy/src/System/Net/WebProxy.cs

@@ -5,6 +5,7 @@
 using System.Globalization;
 using System.Net.NetworkInformation;
 using System.Runtime.Serialization;
+using System.Runtime.Versioning;
 using System.Text.RegularExpressions;
 
 namespace System.Net
@@ -157,7 +158,7 @@ private bool IsLocal(Uri host)
             }
 
             string hostString = host.Host;
-
+#pragma warning disable CA1416 // Validate platform compatibility, it might need annotated as Unsupported on browser, but several public APIs will be affected, suppressing for now
             if (IPAddress.TryParse(hostString, out IPAddress? hostAddress))
             {
                 return IPAddress.IsLoopback(hostAddress) || IsAddressLocal(hostAddress);
@@ -172,11 +173,13 @@ private bool IsLocal(Uri host)
 
             // If it matches the primary domain, it's local.  (Whether or not the hostname matches.)
             string local = "." + IPGlobalProperties.GetIPGlobalProperties().DomainName;
+#pragma warning restore CA1416 // Validate platform compatibility
             return
                 local.Length == (hostString.Length - dot) &&
                 string.Compare(local, 0, hostString, dot, local.Length, StringComparison.OrdinalIgnoreCase) == 0;
         }
 
+        [UnsupportedOSPlatform("browser")]
         private static bool IsAddressLocal(IPAddress ipAddress)
         {
             // Perf note: The .NET Framework caches this and then uses network change notifications to track

src/libraries/System.Net.WebSockets.Client/src/System/Net/WebSockets/WebSocketHandle.Managed.cs

@@ -13,6 +13,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 
+#pragma warning disable CA1416 // Validate platform compatibility
 namespace System.Net.WebSockets
 {
     internal sealed class WebSocketHandle

src/libraries/System.Private.Xml/src/System/Xml/XmlDownloadManagerAsync.cs

@@ -29,6 +29,7 @@ private async Task<Stream> GetNonFileStreamAsync(Uri uri, ICredentials? credenti
             var handler = new HttpClientHandler();
             using (var client = new HttpClient(handler))
             {
+#pragma warning disable CA1416 // Validate platform compatibility, not sure how to handle
                 if (credentials != null)
                 {
                     handler.Credentials = credentials;
@@ -37,7 +38,7 @@ private async Task<Stream> GetNonFileStreamAsync(Uri uri, ICredentials? credenti
                 {
                     handler.Proxy = proxy;
                 }
-
+#pragma warning restore CA1416 // Validate platform compatibility
                 using (Stream respStream = await client.GetStreamAsync(uri).ConfigureAwait(false))
                 {
                     var result = new MemoryStream();

src/libraries/System.Transactions.Local/ref/System.Transactions.Local.cs

@@ -16,7 +16,9 @@ public CommittableTransaction(System.Transactions.TransactionOptions options) {
         bool System.IAsyncResult.CompletedSynchronously { get { throw null; } }
         bool System.IAsyncResult.IsCompleted { get { throw null; } }
         public System.IAsyncResult BeginCommit(System.AsyncCallback? asyncCallback, object? asyncState) { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         public void Commit() { }
+        [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
         public void EndCommit(System.IAsyncResult asyncResult) { }
     }
     public enum DependentCloneOption

src/libraries/System.Transactions.Local/src/System/Transactions/CommittableTransaction.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Diagnostics;
+using System.Runtime.Versioning;
 using System.Threading;
 
 namespace System.Transactions
@@ -76,6 +77,7 @@ public IAsyncResult BeginCommit(AsyncCallback? asyncCallback, object? asyncState
 
         // Forward the commit to the state machine to take the appropriate action.
         //
+        [UnsupportedOSPlatform("browser")]
         public void Commit()
         {
             TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;
@@ -156,6 +158,7 @@ internal override void InternalDispose()
             }
         }
 
+        [UnsupportedOSPlatform("browser")]
         public void EndCommit(IAsyncResult asyncResult)
         {
             TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

src/libraries/System.Transactions.Local/src/System/Transactions/TransactionScope.cs

@@ -806,7 +806,9 @@ private void InternalDispose()
                         // If we are supposed to commit on dispose, cast to CommittableTransaction and commit it.
                         if (null != _committableTransaction)
                         {
+#pragma warning disable CA1416 // Validate platform compatibility, not sure if we need to add condition instead
                             _committableTransaction.Commit();
+#pragma warning restore CA1416
                         }
                         else
                         {