firefish/packages/backend/src/remote/activitypub/kernel/index.ts

112 lines
3.1 KiB
TypeScript

import type { CacheableRemoteUser } from "@/models/entities/user.js";
import { toArray } from "@/prelude/array.js";
import {
isCreate,
isDelete,
isUpdate,
isRead,
isFollow,
isAccept,
isReject,
isAdd,
isRemove,
isAnnounce,
isLike,
isUndo,
isBlock,
isCollectionOrOrderedCollection,
isCollection,
isFlag,
isMove,
getApId,
} from "../type.js";
import { apLogger } from "../logger.js";
import Resolver from "../resolver.js";
import create from "./create/index.js";
import performDeleteActivity from "./delete/index.js";
import performUpdateActivity from "./update/index.js";
import { performReadActivity } from "./read.js";
import follow from "./follow.js";
import undo from "./undo/index.js";
import like from "./like.js";
import announce from "./announce/index.js";
import accept from "./accept/index.js";
import reject from "./reject/index.js";
import add from "./add/index.js";
import remove from "./remove/index.js";
import block from "./block/index.js";
import flag from "./flag/index.js";
import move from "./move/index.js";
import type { IObject, IActivity } from "../type.js";
import { extractHost, isBlockedServer } from "backend-rs";
import { inspect } from "node:util";
export async function performActivity(
actor: CacheableRemoteUser,
activity: IObject,
) {
if (isCollectionOrOrderedCollection(activity)) {
const resolver = new Resolver();
for (const item of toArray(
isCollection(activity) ? activity.items : activity.orderedItems,
)) {
const act = await resolver.resolve(item);
try {
await performOneActivity(actor, act);
} catch (err) {
apLogger.error(inspect(err));
}
}
} else {
await performOneActivity(actor, activity);
}
}
async function performOneActivity(
actor: CacheableRemoteUser,
activity: IObject,
): Promise<void> {
if (actor.isSuspended) return;
if (typeof activity.id !== "undefined") {
const host = extractHost(getApId(activity));
if (await isBlockedServer(host)) return;
}
if (isCreate(activity)) {
await create(actor, activity);
} else if (isDelete(activity)) {
await performDeleteActivity(actor, activity);
} else if (isUpdate(activity)) {
await performUpdateActivity(actor, activity);
} else if (isRead(activity)) {
await performReadActivity(actor, activity);
} else if (isFollow(activity)) {
await follow(actor, activity);
} else if (isAccept(activity)) {
await accept(actor, activity);
} else if (isReject(activity)) {
await reject(actor, activity);
} else if (isAdd(activity)) {
await add(actor, activity).catch((err) => apLogger.error(inspect(err)));
} else if (isRemove(activity)) {
await remove(actor, activity).catch((err) => apLogger.error(inspect(err)));
} else if (isAnnounce(activity)) {
await announce(actor, activity);
} else if (isLike(activity)) {
await like(actor, activity);
} else if (isUndo(activity)) {
await undo(actor, activity);
} else if (isBlock(activity)) {
await block(actor, activity);
} else if (isFlag(activity)) {
await flag(actor, activity);
} else if (isMove(activity)) {
await move(actor, activity);
} else {
apLogger.warn(
`Unrecognized activity type: ${(activity as IActivity).type}`,
);
}
}