feat: schematic share system, add missing Clipboard method for api compat

worldedit-core/src/main/java/com/fastasyncworldedit/core/configuration/Settings.java

@@ -668,6 +668,13 @@ public static class WEB {
         @Comment({"The web interface for clipboards", " - All schematics are anonymous and private", " - Downloads can be deleted by the user", " - Supports clipboard uploads, downloads and saves",})
         public String URL = "https://schem.intellectualsites.com/fawe/";
 
+        @Comment({"The url of the backend server (Arkitektonika)"})
+        public String ARKITEKTONIKA_BACKEND_URL = "https://api.schematic.cloud/";
+        @Comment({"The url used to generate a download link from.", "{key} will be replaced with the generated key"})
+        public String ARKITEKTONIKA_DOWNLOAD_URL = "https://schematic.cloud/download/{key}";
+        @Comment({"The url used to generate a deletion link from.", "{key} will be replaced with the generated key"})
+        public String ARKITEKTONIKA_DELETE_URL = "https://schematic.cloud/delete/{key}";
+
         @Comment("The maximum amount of time in seconds the plugin can attempt to load images for.")
         public int MAX_IMAGE_LOAD_TIME = 5;
 

worldedit-core/src/main/java/com/fastasyncworldedit/core/util/arkitektonika/ArkitektonikaResponse.java

@@ -0,0 +1,4 @@
+package com.fastasyncworldedit.core.util.arkitektonika;
+
+public record ArkitektonikaResponse(String downloadKey, String deletionKey) {
+}

worldedit-core/src/main/java/com/fastasyncworldedit/core/util/arkitektonika/ArkitektonikaSchematicUploader.java

@@ -0,0 +1,58 @@
+package com.fastasyncworldedit.core.util.arkitektonika;
+
+import com.fastasyncworldedit.core.internal.exception.FaweException;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.sk89q.worldedit.extent.clipboard.io.share.ClipboardShareMetadata;
+import com.sk89q.worldedit.extent.clipboard.io.share.ShareOutputProvider;
+import com.sk89q.worldedit.util.formatting.text.TextComponent;
+import com.sk89q.worldedit.util.formatting.text.format.TextColor;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.UUID;
+
+public class ArkitektonikaSchematicUploader {
+
+    private static final String BOUNDARY_IDENTIFIER = "--";
+    private static final HttpClient HTTP_CLIENT = HttpClient.newHttpClient();
+    private final String apiUrl;
+
+    public ArkitektonikaSchematicUploader(String apiUrl) {
+        this.apiUrl = apiUrl.endsWith("/") ? apiUrl.substring(0, apiUrl.length() - 1) : apiUrl;
+    }
+
+    public ArkitektonikaResponse uploadBlocking(ClipboardShareMetadata meta, ShareOutputProvider provider) throws IOException,
+            InterruptedException {
+        String boundary = UUID.randomUUID().toString();
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        provider.writeTo(outputStream);
+
+        final HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.concat(
+                HttpRequest.BodyPublishers.ofString(BOUNDARY_IDENTIFIER + boundary + "\r\n"),
+                HttpRequest.BodyPublishers.ofString("Content-Disposition: form-data; name=\"schematic\"; filename=\"" + meta.name() + "." + meta.format().getPrimaryFileExtension() + "\"\r\n\r\n"),
+                HttpRequest.BodyPublishers.ofByteArray(outputStream.toByteArray()),
+                HttpRequest.BodyPublishers.ofString("\r\n" + BOUNDARY_IDENTIFIER + boundary + BOUNDARY_IDENTIFIER)
+        );
+
+        final HttpResponse<String> response = HTTP_CLIENT.send(HttpRequest.newBuilder()
+                .uri(URI.create(this.apiUrl + "/upload"))
+                .header("Content-Type", "multipart/form-data; boundary=\"" + boundary + "\"")
+                .POST(bodyPublisher).build(), HttpResponse.BodyHandlers.ofString());
+        if (response.statusCode() != 200) {
+            throw new FaweException(TextComponent
+                    .of("Arkitektonika returned status code " + response.statusCode())
+                    .color(TextColor.RED));
+        }
+        JsonObject json = JsonParser.parseString(response.body()).getAsJsonObject();
+        return new ArkitektonikaResponse(
+                json.get("download_key").getAsString(),
+                json.get("delete_key").getAsString()
+        );
+    }
+
+}

worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java

@@ -340,7 +340,7 @@ private void createCopy(
             aliases = {"/download"},
             desc = "Downloads your clipboard through the configured web interface"
     )
-    @Deprecated
+    @Deprecated(forRemoval = true, since = "TODO")
     @CommandPermissions({"worldedit.clipboard.download"})
     public void download(
             final Actor actor,
@@ -402,10 +402,7 @@ public void run(OutputStream out) {
             final Clipboard target;
             // If we have a transform, bake it into the copy
             if (!transform.isIdentity()) {
-                final FlattenedClipboardTransform result = FlattenedClipboardTransform.transform(clipboard, transform);
-                target = new BlockArrayClipboard(result.getTransformedRegion(), actor.getUniqueId());
-                target.setOrigin(clipboard.getOrigin());
-                Operations.completeLegacy(result.copyTo(target));
+                target = clipboard.transform(transform);
             } else {
                 target = clipboard;
             }