paricafe/packages/backend/src/core/AccountMoveService.ts
2023-04-08 14:18:28 +09:00

114 lines
4 KiB
TypeScript

import { Inject, Injectable } from '@nestjs/common';
import { IsNull } from 'typeorm';
import { bindThis } from '@/decorators.js';
import { DI } from '@/di-symbols.js';
import type { LocalUser } from '@/models/entities/User.js';
import { User } from '@/models/entities/User.js';
import type { FollowingsRepository, UsersRepository } from '@/models/index.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
import { UserFollowingService } from '@/core/UserFollowingService.js';
import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { AccountUpdateService } from '@/core/AccountUpdateService.js';
import { RelayService } from '@/core/RelayService.js';
@Injectable()
export class AccountMoveService {
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private userEntityService: UserEntityService,
private apRendererService: ApRendererService,
private apDeliverManagerService: ApDeliverManagerService,
private globalEventService: GlobalEventService,
private userFollowingService: UserFollowingService,
private accountUpdateService: AccountUpdateService,
private relayService: RelayService,
) {
}
/**
* Move a local account to a remote account.
*
* After delivering Move activity, its local followers unfollow the old account and then follow the new one.
*/
@bindThis
public async moveToRemote(src: LocalUser, dst: User): Promise<unknown> {
// Make sure that the destination is a remote account.
if (this.userEntityService.isLocalUser(dst)) throw new Error('move destiantion is not remote');
if (!dst.uri) throw new Error('destination uri is empty');
// add movedToUri to indicate that the user has moved
const update = {} as Partial<User>;
update.alsoKnownAs = src.alsoKnownAs?.concat([dst.uri]) ?? [dst.uri];
update.movedToUri = dst.uri;
await this.usersRepository.update(src.id, update);
const srcPerson = await this.apRendererService.renderPerson(src);
const updateAct = this.apRendererService.addContext(this.apRendererService.renderUpdate(srcPerson, src));
await this.apDeliverManagerService.deliverToFollowers(src, updateAct);
this.relayService.deliverToRelays(src, updateAct);
// Deliver Move activity to the followers of the old account
const moveAct = this.apRendererService.addContext(this.apRendererService.renderMove(src, dst));
await this.apDeliverManagerService.deliverToFollowers(src, moveAct);
// Publish meUpdated event
const iObj = await this.userEntityService.pack<true, true>(src.id, src, { detail: true, includeSecrets: true });
this.globalEventService.publishMainStream(src.id, 'meUpdated', iObj);
// follow the new account and unfollow the old one
const followings = await this.followingsRepository.find({
relations: {
follower: true,
},
where: {
followeeId: src.id,
followerHost: IsNull(), // follower is local
},
});
for (const following of followings) {
if (!following.follower) continue;
try {
await this.userFollowingService.follow(following.follower, dst);
await this.userFollowingService.unfollow(following.follower, src);
} catch {
/* empty */
}
}
return iObj;
}
/**
* Create an alias of an old remote account.
*
* The user's new profile will be published to the followers.
*/
@bindThis
public async createAlias(me: LocalUser, updates: Partial<User>): Promise<unknown> {
await this.usersRepository.update(me.id, updates);
// Publish meUpdated event
const iObj = await this.userEntityService.pack<true, true>(me.id, me, {
detail: true,
includeSecrets: true,
});
this.globalEventService.publishMainStream(me.id, 'meUpdated', iObj);
if (me.isLocked === false) {
await this.userFollowingService.acceptAllFollowRequests(me);
}
this.accountUpdateService.publishToFollowers(me.id);
return iObj;
}
}