Adds Network Resource Uploading for admins. (#6904)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Client/Administration/Commands/UploadFile.cs

@@ -0,0 +1,62 @@
+using Content.Shared.Administration;
+using Content.Shared.CCVar;
+using Robust.Client.UserInterface;
+using Robust.Shared.Configuration;
+using Robust.Shared.Console;
+using Robust.Shared.Network;
+using Robust.Shared.Utility;
+
+namespace Content.Client.Administration.Commands;
+
+public sealed class UploadFile : IConsoleCommand
+{
+    public string Command => "uploadfile";
+    public string Description => "Uploads a resource to the server.";
+    public string Help => $"{Command} [relative path for the resource]";
+
+    public async void Execute(IConsoleShell shell, string argStr, string[] args)
+    {
+        var cfgMan = IoCManager.Resolve<IConfigurationManager>();
+
+        if (!cfgMan.GetCVar(CCVars.ResourceUploadingEnabled))
+        {
+            shell.WriteError("Network Resource Uploading is currently disabled by the server.");
+            return;
+        }
+
+        if (args.Length != 1)
+        {
+            shell.WriteError("Wrong number of arguments!");
+            return;
+        }
+
+        var dialog = IoCManager.Resolve<IFileDialogManager>();
+
+        var filters = new FileDialogFilters(new FileDialogFilters.Group("*"));
+        await using var file = await dialog.OpenFile(filters);
+
+        if (file == null)
+        {
+            shell.WriteError("Error picking file!");
+            return;
+        }
+
+        var sizeLimit = cfgMan.GetCVar(CCVars.ResourceUploadingLimitMb);
+
+        if (sizeLimit > 0f && file.Length * SharedNetworkResourceManager.BytesToMegabytes > sizeLimit)
+        {
+            shell.WriteError($"File above the current size limit! It must be smaller than {sizeLimit} MB.");
+            return;
+        }
+
+        var data = file.CopyToArray();
+
+        var netManager = IoCManager.Resolve<INetManager>();
+        var msg = netManager.CreateNetMessage<NetworkResourceUploadMessage>();
+
+        msg.RelativePath = new ResourcePath(args[0]).ToRelativePath();
+        msg.Data = data;
+
+        netManager.ClientSendMessage(msg);
+    }
+}