Use System.Text.JsonSerializer.DeserializeAsync instead of Newtonsoft.Json since our plugins.json can be large, so no need to create an extra string to store it.

Author: taooceros

Flow.Launcher.Infrastructure/Http/Http.cs

@@ -73,5 +73,18 @@ public static async Task<string> Get([NotNull] string url, string encoding = "UT
 
             return content;
         }
+
+        public static async Task<Stream> GetStreamAsync([NotNull] string url, string encoding = "UTF-8")
+        {
+            Log.Debug($"|Http.Get|Url <{url}>");
+            var request = WebRequest.CreateHttp(url);
+            request.Method = "GET";
+            request.Timeout = 6000;
+            request.Proxy = WebProxy();
+            request.UserAgent = UserAgent;
+            var response = await request.GetResponseAsync() as HttpWebResponse;
+            response = response.NonNull();
+            return response.GetResponseStream().NonNull();
+        }
     }
 }

Plugins/Flow.Launcher.Plugin.PluginsManager/Models/PluginsManifest.cs

@@ -1,8 +1,8 @@
 using Flow.Launcher.Infrastructure.Http;
 using Flow.Launcher.Infrastructure.Logger;
-using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
+using System.Text.Json;
 using System.Threading.Tasks;
 
 namespace Flow.Launcher.Plugin.PluginsManager.Models
@@ -17,12 +17,12 @@ internal PluginsManifest()
 
         internal async Task DownloadManifest()
         {
-            var json = string.Empty;
             try
             {
-                json = await Http.Get("https://raw.githubusercontent.com/Flow-Launcher/Flow.Launcher.PluginsManifest/main/plugins.json");
+                var jsonStream = await Http.GetStreamAsync("https://raw.githubusercontent.com/Flow-Launcher/Flow.Launcher.PluginsManifest/main/plugins.json")
+                                 .ConfigureAwait(false);
 
-                UserPlugins = JsonConvert.DeserializeObject<List<UserPlugin>>(json);
+                UserPlugins = await JsonSerializer.DeserializeAsync<List<UserPlugin>>(jsonStream).ConfigureAwait(false);
             }
             catch (Exception e)
             {