import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } from '../../models/user'; import Following from '../../models/following'; import Blocking from '../../models/blocking'; import { publishMainStream } from '../stream'; import notify from '../../services/create-notification'; import { renderActivity } from '../../remote/activitypub/renderer'; import renderFollow from '../../remote/activitypub/renderer/follow'; import renderAccept from '../../remote/activitypub/renderer/accept'; import renderReject from '../../remote/activitypub/renderer/reject'; import { deliver } from '../../queue'; import createFollowRequest from './requests/create'; import perUserFollowingChart from '../../services/chart/per-user-following'; import { registerOrFetchInstanceDoc } from '../register-or-fetch-instance-doc'; import Instance from '../../models/instance'; import instanceChart from '../../services/chart/instance'; import Logger from '../../misc/logger'; import FollowRequest from '../../models/follow-request'; const logger = new Logger('following/create'); export async function insertFollowingDoc(followee: IUser, follower: IUser) { let alreadyFollowed = false; await Following.insert({ createdAt: new Date(), followerId: follower._id, followeeId: followee._id, // 非正規化 _follower: { host: follower.host, inbox: isRemoteUser(follower) ? follower.inbox : undefined, sharedInbox: isRemoteUser(follower) ? follower.sharedInbox : undefined }, _followee: { host: followee.host, inbox: isRemoteUser(followee) ? followee.inbox : undefined, sharedInbox: isRemoteUser(followee) ? followee.sharedInbox : undefined } }).catch(e => { if (e.code === 11000 && isRemoteUser(follower) && isLocalUser(followee)) { logger.info(`Insert duplicated ignore. ${follower._id} => ${followee._id}`); alreadyFollowed = true; } else { throw e; } }); const removed = await FollowRequest.remove({ followeeId: followee._id, followerId: follower._id }); if (removed.deletedCount === 1) { await User.update({ _id: followee._id }, { $inc: { pendingReceivedFollowRequestsCount: -1 } }); } if (alreadyFollowed) return; //#region Increment counts User.update({ _id: follower._id }, { $inc: { followingCount: 1 } }); User.update({ _id: followee._id }, { $inc: { followersCount: 1 } }); //#endregion //#region Update instance stats if (isRemoteUser(follower) && isLocalUser(followee)) { registerOrFetchInstanceDoc(follower.host).then(i => { Instance.update({ _id: i._id }, { $inc: { followingCount: 1 } }); instanceChart.updateFollowing(i.host, true); }); } else if (isLocalUser(follower) && isRemoteUser(followee)) { registerOrFetchInstanceDoc(followee.host).then(i => { Instance.update({ _id: i._id }, { $inc: { followersCount: 1 } }); instanceChart.updateFollowers(i.host, true); }); } //#endregion perUserFollowingChart.update(follower, followee, true); // Publish follow event if (isLocalUser(follower)) { packUser(followee, follower, { detail: true }).then(packed => publishMainStream(follower._id, 'follow', packed)); } // Publish followed event if (isLocalUser(followee)) { packUser(follower, followee).then(packed => publishMainStream(followee._id, 'followed', packed)), // 通知を作成 notify(followee._id, follower._id, 'follow'); } } export default async function(follower: IUser, followee: IUser, requestId?: string) { // check blocking const [blocking, blocked] = await Promise.all([ Blocking.findOne({ blockerId: follower._id, blockeeId: followee._id, }), Blocking.findOne({ blockerId: followee._id, blockeeId: follower._id, }) ]); if (isRemoteUser(follower) && isLocalUser(followee) && blocked) { // リモートフォローを受けてブロックしていた場合は、エラーにするのではなくRejectを送り返しておしまい。 const content = renderActivity(renderReject(renderFollow(follower, followee, requestId), followee)); deliver(followee , content, follower.inbox); return; } else if (isRemoteUser(follower) && isLocalUser(followee) && blocking) { // リモートフォローを受けてブロックされているはずの場合だったら、ブロック解除しておく。 await Blocking.remove({ _id: blocking._id }); } else { // それ以外は単純に例外 if (blocking != null) throw new Error('blocking'); if (blocked != null) throw new Error('blocked'); } // フォロー対象が鍵アカウントである or // フォロワーがBotであり、フォロー対象がBotからのフォローに慎重である or // フォロワーがローカルユーザーであり、フォロー対象がリモートユーザーである // 上記のいずれかに当てはまる場合はすぐフォローせずにフォローリクエストを発行しておく if (followee.isLocked || (followee.carefulBot && follower.isBot) || (isLocalUser(follower) && isRemoteUser(followee))) { let autoAccept = false; // 鍵アカウントであっても、既にフォローされていた場合はスルー const following = await Following.findOne({ followerId: follower._id, followeeId: followee._id, }); if (following) { autoAccept = true; } // フォローしているユーザーは自動承認オプション if (!autoAccept && (isLocalUser(followee) && followee.autoAcceptFollowed)) { const followed = await Following.findOne({ followerId: followee._id, followeeId: follower._id }); if (followed) autoAccept = true; } if (!autoAccept) { await createFollowRequest(follower, followee, requestId); return; } } await insertFollowingDoc(followee, follower); if (isRemoteUser(follower) && isLocalUser(followee)) { const content = renderActivity(renderAccept(renderFollow(follower, followee, requestId), followee)); deliver(followee, content, follower.inbox); } }