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Fix #3170 (#3173)

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Aya Morisawa 2018-11-09 11:01:55 +09:00 • committed by syuilo
parent 21d9afebc3
commit a9436306ab
2 changed files with 8 additions and 10 deletions
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4
src/prelude/array.ts
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@ -18,6 +18,10 @@ export function erase<T>(x: T, xs: T[]): T[] {
return xs.filter(y => x !== y);
}
export function setDifference<T>(xs: T[], ys: T[]): T[] {
return xs.filter(x => !ys.includes(x));
}
export function unique<T>(xs: T[]): T[] {
return [...new Set(xs)];
}

12
src/remote/activitypub/models/note.ts
View file

@ -13,7 +13,7 @@ import htmlToMFM from '../../../mfm/html-to-mfm';
import Emoji from '../../../models/emoji';
import { ITag } from './tag';
import { toUnicode } from 'punycode';
import { unique } from '../../../prelude/array';
import { unique, concat, setDifference } from '../../../prelude/array';
const log = debug('misskey:activitypub');
@ -180,14 +180,8 @@ async function extractEmojis(tags: ITag[], host_: string) {
}
async function extractMentionedUsers(actor: IRemoteUser, to: string[], cc: string[], resolver: Resolver) {
let uris = [] as string[];
if (to) uris.concat(to);
if (cc) uris.concat(cc);
uris = uris.filter(x => x !== 'https://www.w3.org/ns/activitystreams#Public');
uris = uris.filter(x => x !== `${actor.uri}/followers`);
uris = unique(uris);
const ignoreUris = ['https://www.w3.org/ns/activitystreams#Public', `${actor.uri}/followers`];
const uris = setDifference(unique(concat([to || [], cc || []])), ignoreUris);
const users = await Promise.all(
uris.map(async uri => await resolvePerson(uri, null, resolver).catch(() => null))