125 lines
5.1 KiB
JavaScript
125 lines
5.1 KiB
JavaScript
import { Brackets, In } from "typeorm";
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import { publishNoteStream, publishNoteUpdatesStream } from "../stream.js";
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import renderDelete from "../../remote/activitypub/renderer/delete.js";
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import renderAnnounce from "../../remote/activitypub/renderer/announce.js";
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import renderUndo from "../../remote/activitypub/renderer/undo.js";
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import { renderActivity } from "../../remote/activitypub/renderer/index.js";
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import renderTombstone from "../../remote/activitypub/renderer/tombstone.js";
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import config from "../../config/index.js";
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import { Notes, Users, Instances } from "../../models/index.js";
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import { notesChart, perUserNotesChart, instanceChart } from "../chart/index.js";
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import { deliverToFollowers, deliverToUser } from "../../remote/activitypub/deliver-manager.js";
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import { countSameRenotes } from "../../misc/count-same-renotes.js";
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import { registerOrFetchInstanceDoc } from "../register-or-fetch-instance-doc.js";
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import { deliverToRelays } from "../relay.js";
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/**
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* 投稿を削除します。
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* @param user 投稿者
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* @param note 投稿
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*/ export default async function(user, note, quiet = false) {
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const deletedAt = new Date();
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// この投稿を除く指定したユーザーによる指定したノートのリノートが存在しないとき
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if (note.renoteId && await countSameRenotes(user.id, note.renoteId, note.id, note.groupId) === 0) {
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await Notes.decrement({
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id: note.renoteId
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}, "renoteCount", 1);
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await Notes.decrement({
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id: note.renoteId
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}, "score", 1);
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}
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if (note.replyId) {
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await Notes.decrement({
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id: note.replyId
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}, "repliesCount", 1);
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}
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if (!quiet) {
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publishNoteStream(note.id, "deleted", {
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deletedAt: deletedAt
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});
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publishNoteUpdatesStream("deleted", note);
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//#region ローカルの投稿なら削除アクティビティを配送
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if (Users.isLocalUser(user) && !note.localOnly) {
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let renote = null;
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// if deletd note is renote
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if (note.renoteId && note.text == null && note.cw == null && !note.hasPoll && (note.fileIds == null || note.fileIds.length === 0)) {
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renote = await Notes.findOneBy({
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id: note.renoteId
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});
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}
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const content = renderActivity(renote ? renderUndo(renderAnnounce(renote.uri || `${config.url}/notes/${renote.id}`, note), user) : renderDelete(renderTombstone(`${config.url}/notes/${note.id}`), user));
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deliverToConcerned(user, note, content);
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}
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// also deliever delete activity to cascaded notes
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const cascadingNotes = (await findCascadingNotes(note)).filter((note)=>!note.localOnly); // filter out local-only notes
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for (const cascadingNote of cascadingNotes){
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if (!cascadingNote.user) continue;
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if (!Users.isLocalUser(cascadingNote.user)) continue;
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const content = renderActivity(renderDelete(renderTombstone(`${config.url}/notes/${cascadingNote.id}`), cascadingNote.user));
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deliverToConcerned(cascadingNote.user, cascadingNote, content);
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}
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//#endregion
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// 統計を更新
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notesChart.update(note, false);
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perUserNotesChart.update(user, note, false);
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if (Users.isRemoteUser(user)) {
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registerOrFetchInstanceDoc(user.host).then((i)=>{
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Instances.decrement({
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id: i.id
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}, "notesCount", 1);
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instanceChart.updateNote(i.host, note, false);
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});
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}
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}
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await Notes.delete({
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id: note.id,
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userId: user.id
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});
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}
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async function findCascadingNotes(note) {
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const cascadingNotes = [];
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const recursive = async (noteId)=>{
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const query = Notes.createQueryBuilder("note").where("note.replyId = :noteId", {
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noteId
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}).orWhere(new Brackets((q)=>{
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q.where("note.renoteId = :noteId", {
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noteId
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}).andWhere("note.text IS NOT NULL");
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})).leftJoinAndSelect("note.user", "user");
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const replies = await query.getMany();
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for (const reply of replies){
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cascadingNotes.push(reply);
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await recursive(reply.id);
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}
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};
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await recursive(note.id);
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return cascadingNotes.filter((note)=>note.userHost === null); // filter out non-local users
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}
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async function getMentionedRemoteUsers(note) {
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const where = [];
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// mention / reply / dm
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const uris = JSON.parse(note.mentionedRemoteUsers).map((x)=>x.uri);
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if (uris.length > 0) {
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where.push({
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uri: In(uris)
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});
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}
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// renote / quote
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if (note.renoteUserId) {
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where.push({
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id: note.renoteUserId
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});
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}
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if (where.length === 0) return [];
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return await Users.find({
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where
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});
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}
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async function deliverToConcerned(user, note, content) {
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deliverToFollowers(user, content);
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deliverToRelays(user, content);
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const remoteUsers = await getMentionedRemoteUsers(note);
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for (const remoteUser of remoteUsers){
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deliverToUser(user, content, remoteUser);
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}
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}
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