304 lines
10 KiB
TypeScript
304 lines
10 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import Redis from 'ioredis';
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import { In } from 'typeorm';
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import type { Role, RoleAssignment, RoleAssignmentsRepository, RolesRepository, UsersRepository } from '@/models/index.js';
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import { Cache } from '@/misc/cache.js';
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import type { CacheableLocalUser, CacheableUser, ILocalUser, User } from '@/models/entities/User.js';
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import { DI } from '@/di-symbols.js';
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import { bindThis } from '@/decorators.js';
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import { MetaService } from '@/core/MetaService.js';
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import { UserCacheService } from '@/core/UserCacheService.js';
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import type { RoleCondFormulaValue } from '@/models/entities/Role.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { StreamMessages } from '@/server/api/stream/types.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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export type RolePolicies = {
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gtlAvailable: boolean;
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ltlAvailable: boolean;
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canPublicNote: boolean;
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canInvite: boolean;
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canManageCustomEmojis: boolean;
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canHideAds: boolean;
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driveCapacityMb: number;
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pinLimit: number;
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antennaLimit: number;
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wordMuteLimit: number;
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webhookLimit: number;
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clipLimit: number;
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noteEachClipsLimit: number;
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userListLimit: number;
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userEachUserListsLimit: number;
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rateLimitFactor: number;
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};
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export const DEFAULT_POLICIES: RolePolicies = {
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gtlAvailable: true,
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ltlAvailable: true,
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canPublicNote: true,
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canInvite: false,
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canManageCustomEmojis: false,
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canHideAds: false,
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driveCapacityMb: 100,
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pinLimit: 5,
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antennaLimit: 5,
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wordMuteLimit: 200,
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webhookLimit: 3,
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clipLimit: 10,
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noteEachClipsLimit: 200,
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userListLimit: 10,
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userEachUserListsLimit: 50,
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rateLimitFactor: 1,
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};
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@Injectable()
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export class RoleService implements OnApplicationShutdown {
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private rolesCache: Cache<Role[]>;
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private roleAssignmentByUserIdCache: Cache<RoleAssignment[]>;
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constructor(
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@Inject(DI.redisSubscriber)
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private redisSubscriber: Redis.Redis,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.rolesRepository)
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private rolesRepository: RolesRepository,
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@Inject(DI.roleAssignmentsRepository)
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private roleAssignmentsRepository: RoleAssignmentsRepository,
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private metaService: MetaService,
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private userCacheService: UserCacheService,
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private userEntityService: UserEntityService,
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) {
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//this.onMessage = this.onMessage.bind(this);
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this.rolesCache = new Cache<Role[]>(Infinity);
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this.roleAssignmentByUserIdCache = new Cache<RoleAssignment[]>(Infinity);
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this.redisSubscriber.on('message', this.onMessage);
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}
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@bindThis
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private async onMessage(_: string, data: string): Promise<void> {
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const obj = JSON.parse(data);
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if (obj.channel === 'internal') {
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const { type, body } = obj.message as StreamMessages['internal']['payload'];
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switch (type) {
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case 'roleCreated': {
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const cached = this.rolesCache.get(null);
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if (cached) {
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cached.push({
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...body,
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createdAt: new Date(body.createdAt),
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updatedAt: new Date(body.updatedAt),
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lastUsedAt: new Date(body.lastUsedAt),
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});
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}
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break;
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}
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case 'roleUpdated': {
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const cached = this.rolesCache.get(null);
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if (cached) {
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const i = cached.findIndex(x => x.id === body.id);
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if (i > -1) {
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cached[i] = {
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...body,
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createdAt: new Date(body.createdAt),
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updatedAt: new Date(body.updatedAt),
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lastUsedAt: new Date(body.lastUsedAt),
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};
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}
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}
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break;
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}
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case 'roleDeleted': {
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const cached = this.rolesCache.get(null);
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if (cached) {
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this.rolesCache.set(null, cached.filter(x => x.id !== body.id));
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}
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break;
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}
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case 'userRoleAssigned': {
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const cached = this.roleAssignmentByUserIdCache.get(body.userId);
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if (cached) {
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cached.push({
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...body,
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createdAt: new Date(body.createdAt),
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});
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}
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break;
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}
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case 'userRoleUnassigned': {
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const cached = this.roleAssignmentByUserIdCache.get(body.userId);
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if (cached) {
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this.roleAssignmentByUserIdCache.set(body.userId, cached.filter(x => x.id !== body.id));
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}
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break;
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}
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default:
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break;
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}
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}
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}
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@bindThis
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private evalCond(user: User, value: RoleCondFormulaValue): boolean {
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try {
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switch (value.type) {
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case 'and': {
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return value.values.every(v => this.evalCond(user, v));
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}
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case 'or': {
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return value.values.some(v => this.evalCond(user, v));
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}
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case 'not': {
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return !this.evalCond(user, value.value);
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}
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case 'isLocal': {
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return this.userEntityService.isLocalUser(user);
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}
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case 'isRemote': {
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return this.userEntityService.isRemoteUser(user);
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}
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case 'createdLessThan': {
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return user.createdAt.getTime() > (Date.now() - (value.sec * 1000));
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}
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case 'createdMoreThan': {
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return user.createdAt.getTime() < (Date.now() - (value.sec * 1000));
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}
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case 'followersLessThanOrEq': {
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return user.followersCount <= value.value;
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}
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case 'followersMoreThanOrEq': {
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return user.followersCount >= value.value;
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}
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case 'followingLessThanOrEq': {
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return user.followingCount <= value.value;
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}
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case 'followingMoreThanOrEq': {
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return user.followingCount >= value.value;
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}
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default:
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return false;
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}
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} catch (err) {
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// TODO: log error
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return false;
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}
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}
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@bindThis
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public async getUserRoles(userId: User['id']) {
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const assigns = await this.roleAssignmentByUserIdCache.fetch(userId, () => this.roleAssignmentsRepository.findBy({ userId }));
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const assignedRoleIds = assigns.map(x => x.roleId);
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const roles = await this.rolesCache.fetch(null, () => this.rolesRepository.findBy({}));
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const assignedRoles = roles.filter(r => assignedRoleIds.includes(r.id));
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const user = roles.some(r => r.target === 'conditional') ? await this.userCacheService.findById(userId) : null;
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const matchedCondRoles = roles.filter(r => r.target === 'conditional' && this.evalCond(user!, r.condFormula));
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return [...assignedRoles, ...matchedCondRoles];
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}
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@bindThis
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public async getUserPolicies(userId: User['id'] | null): Promise<RolePolicies> {
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const meta = await this.metaService.fetch();
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const basePolicies = { ...DEFAULT_POLICIES, ...meta.policies };
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if (userId == null) return basePolicies;
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const roles = await this.getUserRoles(userId);
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function calc<T extends keyof RolePolicies>(name: T, aggregate: (values: RolePolicies[T][]) => RolePolicies[T]) {
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if (roles.length === 0) return basePolicies[name];
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const policies = roles.map(role => role.policies[name] ?? { priority: 0, useDefault: true });
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const p2 = policies.filter(policy => policy.priority === 2);
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if (p2.length > 0) return aggregate(p2.map(policy => policy.useDefault ? basePolicies[name] : policy.value));
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const p1 = policies.filter(policy => policy.priority === 1);
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if (p1.length > 0) return aggregate(p1.map(policy => policy.useDefault ? basePolicies[name] : policy.value));
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return aggregate(policies.map(policy => policy.useDefault ? basePolicies[name] : policy.value));
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}
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return {
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gtlAvailable: calc('gtlAvailable', vs => vs.some(v => v === true)),
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ltlAvailable: calc('ltlAvailable', vs => vs.some(v => v === true)),
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canPublicNote: calc('canPublicNote', vs => vs.some(v => v === true)),
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canInvite: calc('canInvite', vs => vs.some(v => v === true)),
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canManageCustomEmojis: calc('canManageCustomEmojis', vs => vs.some(v => v === true)),
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canHideAds: calc('canHideAds', vs => vs.some(v => v === true)),
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driveCapacityMb: calc('driveCapacityMb', vs => Math.max(...vs)),
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pinLimit: calc('pinLimit', vs => Math.max(...vs)),
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antennaLimit: calc('antennaLimit', vs => Math.max(...vs)),
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wordMuteLimit: calc('wordMuteLimit', vs => Math.max(...vs)),
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webhookLimit: calc('webhookLimit', vs => Math.max(...vs)),
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clipLimit: calc('clipLimit', vs => Math.max(...vs)),
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noteEachClipsLimit: calc('noteEachClipsLimit', vs => Math.max(...vs)),
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userListLimit: calc('userListLimit', vs => Math.max(...vs)),
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userEachUserListsLimit: calc('userEachUserListsLimit', vs => Math.max(...vs)),
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rateLimitFactor: calc('rateLimitFactor', vs => Math.max(...vs)),
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};
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}
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@bindThis
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public async isModerator(user: { id: User['id']; isRoot: User['isRoot'] } | null): Promise<boolean> {
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if (user == null) return false;
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return user.isRoot || (await this.getUserRoles(user.id)).some(r => r.isModerator || r.isAdministrator);
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}
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@bindThis
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public async isAdministrator(user: { id: User['id']; isRoot: User['isRoot'] } | null): Promise<boolean> {
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if (user == null) return false;
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return user.isRoot || (await this.getUserRoles(user.id)).some(r => r.isAdministrator);
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}
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@bindThis
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public async getModeratorIds(includeAdmins = true): Promise<User['id'][]> {
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const roles = await this.rolesCache.fetch(null, () => this.rolesRepository.findBy({}));
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const moderatorRoles = includeAdmins ? roles.filter(r => r.isModerator || r.isAdministrator) : roles.filter(r => r.isModerator);
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const assigns = moderatorRoles.length > 0 ? await this.roleAssignmentsRepository.findBy({
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roleId: In(moderatorRoles.map(r => r.id)),
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}) : [];
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// TODO: isRootなアカウントも含める
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return assigns.map(a => a.userId);
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}
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@bindThis
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public async getModerators(includeAdmins = true): Promise<User[]> {
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const ids = await this.getModeratorIds(includeAdmins);
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const users = ids.length > 0 ? await this.usersRepository.findBy({
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id: In(ids),
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}) : [];
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return users;
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}
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@bindThis
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public async getAdministratorIds(): Promise<User['id'][]> {
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const roles = await this.rolesCache.fetch(null, () => this.rolesRepository.findBy({}));
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const administratorRoles = roles.filter(r => r.isAdministrator);
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const assigns = administratorRoles.length > 0 ? await this.roleAssignmentsRepository.findBy({
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roleId: In(administratorRoles.map(r => r.id)),
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}) : [];
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// TODO: isRootなアカウントも含める
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return assigns.map(a => a.userId);
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}
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@bindThis
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public async getAdministrators(): Promise<User[]> {
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const ids = await this.getAdministratorIds();
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const users = ids.length > 0 ? await this.usersRepository.findBy({
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id: In(ids),
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}) : [];
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return users;
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined) {
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this.redisSubscriber.off('message', this.onMessage);
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}
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}
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