Initial implementation for extension manifests

src/Umbraco.Infrastructure/Serialization/ContextualJsonSerializer.cs

@@ -0,0 +1,70 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Umbraco.Cms.Core.Serialization;
+using Umbraco.Cms.Core.Web;
+
+namespace Umbraco.Cms.Infrastructure.Serialization;
+
+// FIXME: move away from Json.NET; this is a temporary fix that attempts to use System.Text.Json for management API operations, Json.NET for other operations
+public class ContextualJsonSerializer : IJsonSerializer
+{
+    private readonly IRequestAccessor _requestAccessor;
+    private readonly IJsonSerializer _jsonNetSerializer;
+    private readonly IJsonSerializer _systemTextSerializer;
+
+    public ContextualJsonSerializer(IRequestAccessor requestAccessor)
+    {
+        _requestAccessor = requestAccessor;
+        _jsonNetSerializer = new JsonNetSerializer();
+        _systemTextSerializer = new SystemTextJsonSerializer();
+    }
+
+    public string Serialize(object? input) => ContextualizedSerializer().Serialize(input);
+
+    public T? Deserialize<T>(string input) => ContextualizedSerializer().Deserialize<T>(input);
+
+    public T? DeserializeSubset<T>(string input, string key) => throw new NotSupportedException();
+
+    private IJsonSerializer ContextualizedSerializer()
+    {
+        try
+        {
+            var requestedPath = _requestAccessor.GetRequestUrl()?.AbsolutePath;
+            if (requestedPath != null)
+            {
+                // add white listed paths for the System.Text.Json config serializer here
+                // - always use it for the new management API
+                if (requestedPath.Contains("/umbraco/management/api/"))
+                {
+                    return _systemTextSerializer;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            // ignore - this whole thing is a temporary workaround, let's not make a fuss
+        }
+
+        return _jsonNetSerializer;
+    }
+
+    private class SystemTextJsonSerializer : IJsonSerializer
+    {
+        private JsonSerializerOptions _jsonSerializerOptions;
+
+        public SystemTextJsonSerializer()
+        {
+            _jsonSerializerOptions = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
+            _jsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+            _jsonSerializerOptions.Converters.Add(new JsonObjectConverter());
+        }
+
+        public string Serialize(object? input) => JsonSerializer.Serialize(input, _jsonSerializerOptions);
+
+        public T? Deserialize<T>(string input) => JsonSerializer.Deserialize<T>(input, _jsonSerializerOptions);
+
+        public T? DeserializeSubset<T>(string input, string key) => throw new NotSupportedException();
+    }
+}
+
+