sign 'em

src/util/entities/Message.ts

@@ -29,7 +29,18 @@ import { Webhook } from "./Webhook";
 import { Sticker } from "./Sticker";
 import { Attachment } from "./Attachment";
 import { NewUrlUserSignatureData } from "../Signing";
-import { ApplicationCommandType, BaseMessageComponents, Embed, MessageSnapshot, MessageType, PartialMessage, Poll, Reaction } from "@spacebar/schemas";
+import {
+    ApplicationCommandType,
+    BaseMessageComponents,
+    Embed,
+    MessageComponentType,
+    MessageSnapshot,
+    MessageType,
+    PartialMessage,
+    Poll,
+    Reaction,
+    UnfurledMediaItem,
+} from "@spacebar/schemas";
 import { MessageFlags } from "@spacebar/util";
 import { JsonRemoveEmpty } from "../util/Decorators";
 
@@ -304,6 +315,55 @@ export class Message extends BaseClass {
             attachments: this.attachments?.map((attachment: Attachment) => Attachment.prototype.signUrls.call(attachment, data)),
         };
     }
+    async withSignedComponents(data: NewUrlUserSignatureData) {
+        if (!this.components || !(this.flags & Number(MessageFlags.FLAGS.IS_COMPONENTS_V2))) return { ...this };
+        function signMedia(media: UnfurledMediaItem) {
+            Object.assign(media, Attachment.prototype.signUrls.call(media, data));
+        }
+        return {
+            ...this,
+            components: this.components.map((comp) => {
+                comp = structuredClone(comp);
+                if (comp.type === MessageComponentType.Section) {
+                    const accessory = comp.accessory;
+                    if (accessory.type === MessageComponentType.Thumbnail) {
+                        signMedia(accessory.media);
+                    }
+                } else if (comp.type === MessageComponentType.MediaGallery) {
+                    comp.items.forEach(({ media }) => signMedia(media));
+                } else if (comp.type === MessageComponentType.File) {
+                    signMedia(comp.file);
+                } else if (comp.type === MessageComponentType.Container) {
+                    for (const elm of comp.components) {
+                        switch (elm.type) {
+                            case MessageComponentType.Separator:
+                            case MessageComponentType.TextDisplay:
+                            case MessageComponentType.ActionRow:
+                                break;
+                            case MessageComponentType.Section: {
+                                const accessory = elm.accessory;
+                                if (accessory.type === MessageComponentType.Thumbnail) {
+                                    signMedia(accessory.media);
+                                }
+                                break;
+                            }
+                            case MessageComponentType.MediaGallery:
+                                elm.items.forEach(({ media }) => signMedia(media));
+                                break;
+                            case MessageComponentType.File: {
+                                signMedia(elm.file);
+                                break;
+                            }
+
+                            default:
+                                elm satisfies never;
+                        }
+                    }
+                }
+                return comp;
+            }),
+        };
+    }
 
     static async createWithDefaults(opts: Partial<Message>): Promise<Message> {
         const message = Message.create();