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AP audience (visibility) パースの修正 (#5783)

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* Refactor audience

* audienceのないAP Object 対応

* fix

* Update src/remote/activitypub/audience.ts

Co-Authored-By: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

* Update src/remote/activitypub/audience.ts

Co-Authored-By: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
This commit is contained in:
MeiMei 2020-01-30 18:58:13 +09:00 committed by GitHub
parent f6987c72ac
commit 711aa564c1
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5 changed files with 123 additions and 68 deletions
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93
src/remote/activitypub/audience.ts Normal file
View file

@ -0,0 +1,93 @@
import { ApObject, getApIds } from './type';
import Resolver from './resolver';
import { resolvePerson } from './models/person';
import { unique, concat } from '../../prelude/array';
import * as promiseLimit from 'promise-limit';
import { User, IRemoteUser } from '../../models/entities/user';
type Visibility = 'public' | 'home' | 'followers' | 'specified';
type AudienceInfo = {
visibility: Visibility,
mentionedUsers: User[],
visibleUsers: User[],
};
export async function parseAudience(actor: IRemoteUser, to?: ApObject, cc?: ApObject, resolver?: Resolver): Promise<AudienceInfo> {
const toGroups = groupingAudience(getApIds(to), actor);
const ccGroups = groupingAudience(getApIds(cc), actor);
const others = unique(concat([toGroups.other, ccGroups.other]));
const limit = promiseLimit<User | null>(2);
const mentionedUsers = (await Promise.all(
others.map(id => limit(() => resolvePerson(id, resolver).catch(() => null)))
)).filter((x): x is User => x != null);
if (toGroups.public.length > 0) {
return {
visibility: 'public',
mentionedUsers,
visibleUsers: []
};
}
if (ccGroups.public.length > 0) {
return {
visibility: 'home',
mentionedUsers,
visibleUsers: []
};
}
if (toGroups.followers.length > 0) {
return {
visibility: 'followers',
mentionedUsers,
visibleUsers: []
};
}
return {
visibility: 'specified',
mentionedUsers,
visibleUsers: mentionedUsers
};
}
function groupingAudience(ids: string[], actor: IRemoteUser) {
const groups = {
public: [] as string[],
followers: [] as string[],
other: [] as string[],
};
for (const id of ids) {
if (isPublic(id)) {
groups.public.push(id);
} else if (isFollowers(id, actor)) {
groups.followers.push(id);
} else {
groups.other.push(id);
}
}
groups.other = unique(groups.other);
return groups;
}
function isPublic(id: string) {
return [
'https://www.w3.org/ns/activitystreams#Public',
'as#Public',
'Public',
].includes(id);
}
function isFollowers(id: string, actor: IRemoteUser) {
return [
`${actor.uri}/followers`,
// actor.followerUri, // TODO
].includes(id);
}

38
src/remote/activitypub/kernel/announce/note.ts
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@ -1,13 +1,13 @@
import Resolver from '../../resolver';
import post from '../../../../services/note/create';
import { IRemoteUser, User } from '../../../../models/entities/user';
import { IAnnounce, getApId, getApIds } from '../../type';
import { IRemoteUser } from '../../../../models/entities/user';
import { IAnnounce, getApId } from '../../type';
import { fetchNote, resolveNote } from '../../models/note';
import { resolvePerson } from '../../models/person';
import { apLogger } from '../../logger';
import { extractDbHost } from '../../../../misc/convert-host';
import { fetchMeta } from '../../../../misc/fetch-meta';
import { getApLock } from '../../../../misc/app-lock';
import { parseAudience } from '../../audience';
const logger = apLogger;
@ -51,42 +51,16 @@ export default async function(resolver: Resolver, actor: IRemoteUser, activity:
logger.info(`Creating the (Re)Note: ${uri}`);
//#region Visibility
const to = getApIds(activity.to);
const cc = getApIds(activity.cc);
const visibility = getVisibility(to, cc, actor);
let visibleUsers: User[] = [];
if (visibility == 'specified') {
visibleUsers = await Promise.all(to.map(uri => resolvePerson(uri)));
}
//#endergion
const activityAudience = await parseAudience(actor, activity.to, activity.cc);
await post(actor, {
createdAt: activity.published ? new Date(activity.published) : null,
renote,
visibility,
visibleUsers,
visibility: activityAudience.visibility,
visibleUsers: activityAudience.visibleUsers,
uri
});
} finally {
unlock();
}
}
type visibility = 'public' | 'home' | 'followers' | 'specified';
function getVisibility(to: string[], cc: string[], actor: IRemoteUser): visibility {
const PUBLIC = 'https://www.w3.org/ns/activitystreams#Public';
if (to.includes(PUBLIC)) {
return 'public';
} else if (cc.includes(PUBLIC)) {
return 'home';
} else if (to.includes(`${actor.uri}/followers`)) {
return 'followers';
} else {
return 'specified';
}
}

2
src/remote/activitypub/kernel/create/index.ts
View file

@ -19,7 +19,7 @@ export default async (actor: IRemoteUser, activity: ICreate): Promise<void> => {
});
if (validPost.includes(object.type)) {
createNote(resolver, actor, object);
createNote(resolver, actor, object, false, activity);
} else {
logger.warn(`Unknown type: ${object.type}`);
}

6
src/remote/activitypub/kernel/create/note.ts
View file

@ -1,13 +1,13 @@
import Resolver from '../../resolver';
import { IRemoteUser } from '../../../../models/entities/user';
import { createNote, fetchNote } from '../../models/note';
import { getApId, IObject } from '../../type';
import { getApId, IObject, ICreate } from '../../type';
import { getApLock } from '../../../../misc/app-lock';
/**
* 投稿作成アクティビティを捌きます
*/
export default async function(resolver: Resolver, actor: IRemoteUser, note: IObject, silent = false): Promise<void> {
export default async function(resolver: Resolver, actor: IRemoteUser, note: IObject, silent = false, activity?: ICreate): Promise<void> {
const uri = getApId(note);
const unlock = await getApLock(uri);
@ -15,7 +15,7 @@ export default async function(resolver: Resolver, actor: IRemoteUser, note: IObj
try {
const exist = await fetchNote(note);
if (exist == null) {
await createNote(note);
await createNote(note, resolver, silent, activity);
}
} finally {
unlock();

52
src/remote/activitypub/models/note.ts
View file

@ -5,10 +5,10 @@ import Resolver from '../resolver';
import post from '../../../services/note/create';
import { resolvePerson, updatePerson } from './person';
import { resolveImage } from './image';
import { IRemoteUser, User } from '../../../models/entities/user';
import { IRemoteUser } from '../../../models/entities/user';
import { fromHtml } from '../../../mfm/fromHtml';
import { ITag, extractHashtags } from './tag';
import { unique, concat, difference } from '../../../prelude/array';
import { unique } from '../../../prelude/array';
import { extractPollFromQuestion } from './question';
import vote from '../../../services/note/polls/vote';
import { apLogger } from '../logger';
@ -17,13 +17,14 @@ import { deliverQuestionUpdate } from '../../../services/note/polls/update';
import { extractDbHost, toPuny } from '../../../misc/convert-host';
import { Notes, Emojis, Polls } from '../../../models';
import { Note } from '../../../models/entities/note';
import { IObject, IPost, getApIds, getOneApId, getApId, validPost } from '../type';
import { IObject, INote, getOneApId, getApId, validPost, ICreate, isCreate } from '../type';
import { Emoji } from '../../../models/entities/emoji';
import { genId } from '../../../misc/gen-id';
import { fetchMeta } from '../../../misc/fetch-meta';
import { ensure } from '../../../prelude/ensure';
import { getApLock } from '../../../misc/app-lock';
import { createMessage } from '../../../services/messages/create';
import { parseAudience } from '../audience';
const logger = apLogger;
@ -77,7 +78,7 @@ export async function fetchNote(value: string | IObject, resolver?: Resolver): P
/**
* Noteを作成します。
*/
export async function createNote(value: string | IObject, resolver?: Resolver, silent = false): Promise<Note | null> {
export async function createNote(value: string | IObject, resolver?: Resolver, silent = false, activity?: ICreate): Promise<Note | null> {
if (resolver == null) resolver = new Resolver();
const object: any = await resolver.resolve(value);
@ -109,25 +110,24 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
throw new Error('actor has been suspended');
}
//#region Visibility
const to = getApIds(note.to);
const cc = getApIds(note.cc);
const noteAudience = await parseAudience(actor, note.to, note.cc);
let visibility = noteAudience.visibility;
let visibleUsers = noteAudience.visibleUsers;
let apMentions = noteAudience.mentionedUsers;
let visibility = 'public';
let visibleUsers: User[] = [];
if (!to.includes('https://www.w3.org/ns/activitystreams#Public')) {
if (cc.includes('https://www.w3.org/ns/activitystreams#Public')) {
visibility = 'home';
} else if (to.includes(`${actor.uri}/followers`)) { // TODO: person.followerと照合するべき？
visibility = 'followers';
} else {
visibility = 'specified';
visibleUsers = await Promise.all(to.map(uri => resolvePerson(uri, resolver)));
// Audience (to, cc) が指定されてなかった場合
if (visibility === 'specified' && visibleUsers.length === 0) {
if (activity && isCreate(activity)) {
// Create 起因ならば Activity を見る
const activityAudience = await parseAudience(actor, activity.to, activity.cc);
visibility = activityAudience.visibility;
visibleUsers = activityAudience.visibleUsers;
apMentions = activityAudience.mentionedUsers;
} else if (typeof value === 'string') { // 入力がstringならばresolverでGETが発生している
// こちらから匿名GET出来たものならばpublic
visibility = 'public';
}
}
//#endergion
const apMentions = await extractMentionedUsers(actor, to, cc, resolver);
const apHashtags = await extractHashtags(note.tag);
@ -363,15 +363,3 @@ export async function extractEmojis(tags: ITag[], host: string): Promise<Emoji[]
} as Partial<Emoji>);
}));
}
async function extractMentionedUsers(actor: IRemoteUser, to: string[], cc: string[], resolver: Resolver) {
const ignoreUris = ['https://www.w3.org/ns/activitystreams#Public', `${actor.uri}/followers`];
const uris = difference(unique(concat([to || [], cc || []])), ignoreUris);
const limit = promiseLimit<User | null>(2);
const users = await Promise.all(
uris.map(uri => limit(() => resolvePerson(uri, resolver).catch(() => null)) as Promise<User | null>)
);
return users.filter(x => x != null) as User[];
}