fix(federation): 🐛 Fix remote emojis being incorrectly marked as local

classes/database/emoji.ts

@@ -2,7 +2,7 @@ import { emojiValidatorWithColons, emojiValidatorWithIdentifiers } from "@/api";
 import { proxyUrl } from "@/response";
 import type { Emoji as APIEmoji } from "@versia/client/types";
 import type { CustomEmojiExtension } from "@versia/federation/types";
-import { db } from "@versia/kit/db";
+import { type Instance, db } from "@versia/kit/db";
 import { Emojis, Instances } from "@versia/kit/tables";
 import {
     type InferInsertModel,
@@ -12,10 +12,10 @@ import {
     desc,
     eq,
     inArray,
+    isNull,
 } from "drizzle-orm";
 import { z } from "zod";
 import { BaseInterface } from "./base.ts";
-import { Instance } from "./instance.ts";
 
 type EmojiWithInstance = InferSelectModel<typeof Emojis> & {
     instance: InferSelectModel<typeof Instances> | null;
@@ -135,7 +135,7 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
 
     public static async fetchFromRemote(
         emojiToFetch: CustomEmojiExtension["emojis"][0],
-        host?: string,
+        instance: Instance,
     ): Promise<Emoji> {
         const existingEmoji = await db
             .select()
@@ -144,7 +144,7 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
             .where(
                 and(
                     eq(Emojis.shortcode, emojiToFetch.name),
-                    host ? eq(Instances.baseUrl, host) : undefined,
+                    eq(Instances.id, instance.id),
                 ),
             )
             .limit(1);
@@ -159,9 +159,7 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
             return found;
         }
 
-        const foundInstance = host ? await Instance.resolve(host) : null;
-
-        return await Emoji.fromVersia(emojiToFetch, foundInstance?.id ?? null);
+        return await Emoji.fromVersia(emojiToFetch, instance);
     }
 
     public get id(): string {
@@ -181,9 +179,12 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
         }
 
         return Emoji.manyFromSql(
-            inArray(
-                Emojis.shortcode,
-                matches.map((match) => match.replace(/:/g, "")),
+            and(
+                inArray(
+                    Emojis.shortcode,
+                    matches.map((match) => match.replace(/:/g, "")),
+                ),
+                isNull(Emojis.instanceId),
             ),
         );
     }
@@ -216,7 +217,7 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
 
     public static fromVersia(
         emoji: CustomEmojiExtension["emojis"][0],
-        instanceId: string | null,
+        instance: Instance,
     ): Promise<Emoji> {
         // Extracts the shortcode from the emoji name (e.g. :shortcode: -> shortcode)
         const shortcode = [
@@ -233,7 +234,7 @@ export class Emoji extends BaseInterface<typeof Emojis, EmojiWithInstance> {
             alt: Object.entries(emoji.url)[0][1].description || undefined,
             contentType: Object.keys(emoji.url)[0],
             visibleInPicker: true,
-            instanceId,
+            instanceId: instance.id,
         });
     }
 }

classes/database/note.ts

@@ -13,7 +13,7 @@ import type {
     Delete as VersiaDelete,
     Note as VersiaNote,
 } from "@versia/federation/types";
-import { type Instance, Notification, db } from "@versia/kit/db";
+import { Instance, Notification, db } from "@versia/kit/db";
 import {
     Attachments,
     EmojiToNote,
@@ -715,6 +715,11 @@ export class Note extends BaseInterface<typeof Notes, NoteTypeWithRelations> {
      */
     public static async saveFromRemote(uri: string): Promise<Note | null> {
         let note: VersiaNote | null = null;
+        const instance = await Instance.resolve(uri);
+
+        if (!instance) {
+            return null;
+        }
 
         if (uri) {
             if (!URL.canParse(uri)) {
@@ -741,7 +746,7 @@ export class Note extends BaseInterface<typeof Notes, NoteTypeWithRelations> {
             throw new Error("Invalid object author");
         }
 
-        return await Note.fromVersia(note, author);
+        return await Note.fromVersia(note, author, instance);
     }
 
     /**
@@ -753,19 +758,21 @@ export class Note extends BaseInterface<typeof Notes, NoteTypeWithRelations> {
     public static async fromVersia(
         note: VersiaNote,
         author: User,
+        instance: Instance,
     ): Promise<Note> {
         const emojis: Emoji[] = [];
         const logger = getLogger(["federation", "resolvers"]);
 
         for (const emoji of note.extensions?.["pub.versia:custom_emojis"]
             ?.emojis ?? []) {
-            const resolvedEmoji = await Emoji.fetchFromRemote(emoji).catch(
-                (e) => {
-                    logger.error`${e}`;
-                    sentry?.captureException(e);
-                    return null;
-                },
-            );
+            const resolvedEmoji = await Emoji.fetchFromRemote(
+                emoji,
+                instance,
+            ).catch((e) => {
+                logger.error`${e}`;
+                sentry?.captureException(e);
+                return null;
+            });
 
             if (resolvedEmoji) {
                 emojis.push(resolvedEmoji);

classes/database/user.ts

@@ -667,7 +667,7 @@ export class User extends BaseInterface<typeof Users, UserWithRelations> {
         const userEmojis =
             data.extensions?.["pub.versia:custom_emojis"]?.emojis ?? [];
         const emojis = await Promise.all(
-            userEmojis.map((emoji) => Emoji.fromVersia(emoji, instance.id)),
+            userEmojis.map((emoji) => Emoji.fromVersia(emoji, instance)),
         );
 
         if (emojis.length > 0) {

classes/inbox/processor.ts

@@ -16,7 +16,7 @@ import type {
     User as VersiaUser,
 } from "@versia/federation/types";
 import {
-    type Instance,
+    Instance,
     Like,
     Note,
     Notification,
@@ -277,6 +277,14 @@ export class InboxProcessor {
     private async processNote(): Promise<Response | null> {
         const note = this.body as VersiaNote;
         const author = await User.resolve(note.author);
+        const instance = await Instance.resolve(note.uri);
+
+        if (!instance) {
+            return Response.json(
+                { error: "Instance not found" },
+                { status: 404 },
+            );
+        }
 
         if (!author) {
             return Response.json(
@@ -285,7 +293,7 @@ export class InboxProcessor {
             );
         }
 
-        await Note.fromVersia(note, author);
+        await Note.fromVersia(note, author, instance);
 
         return null;
     }