sharkey/packages/backend/src/server/api/common/signup.ts
2021-12-09 23:58:30 +09:00

114 lines
3.0 KiB
TypeScript

import * as bcrypt from 'bcryptjs';
import { generateKeyPair } from 'crypto';
import generateUserToken from './generate-native-user-token';
import { User } from '@/models/entities/user';
import { Users, UsedUsernames } from '@/models/index';
import { UserProfile } from '@/models/entities/user-profile';
import { getConnection } from 'typeorm';
import { genId } from '@/misc/gen-id';
import { toPunyNullable } from '@/misc/convert-host';
import { UserKeypair } from '@/models/entities/user-keypair';
import { usersChart } from '@/services/chart/index';
import { UsedUsername } from '@/models/entities/used-username';
export async function signup(opts: {
username: User['username'];
password?: string | null;
passwordHash?: UserProfile['password'] | null;
host?: string | null;
}) {
const { username, password, passwordHash, host } = opts;
let hash = passwordHash;
// Validate username
if (!Users.validateLocalUsername.ok(username)) {
throw new Error('INVALID_USERNAME');
}
if (password != null && passwordHash == null) {
// Validate password
if (!Users.validatePassword.ok(password)) {
throw new Error('INVALID_PASSWORD');
}
// Generate hash of password
const salt = await bcrypt.genSalt(8);
hash = await bcrypt.hash(password, salt);
}
// Generate secret
const secret = generateUserToken();
// Check username duplication
if (await Users.findOne({ usernameLower: username.toLowerCase(), host: null })) {
throw new Error('DUPLICATED_USERNAME');
}
// Check deleted username duplication
if (await UsedUsernames.findOne({ username: username.toLowerCase() })) {
throw new Error('USED_USERNAME');
}
const keyPair = await new Promise<string[]>((res, rej) =>
generateKeyPair('rsa', {
modulusLength: 4096,
publicKeyEncoding: {
type: 'spki',
format: 'pem',
},
privateKeyEncoding: {
type: 'pkcs8',
format: 'pem',
cipher: undefined,
passphrase: undefined,
},
} as any, (err, publicKey, privateKey) =>
err ? rej(err) : res([publicKey, privateKey])
));
let account!: User;
// Start transaction
await getConnection().transaction(async transactionalEntityManager => {
const exist = await transactionalEntityManager.findOne(User, {
usernameLower: username.toLowerCase(),
host: null,
});
if (exist) throw new Error(' the username is already used');
account = await transactionalEntityManager.save(new User({
id: genId(),
createdAt: new Date(),
username: username,
usernameLower: username.toLowerCase(),
host: toPunyNullable(host),
token: secret,
isAdmin: (await Users.count({
host: null,
})) === 0,
}));
await transactionalEntityManager.save(new UserKeypair({
publicKey: keyPair[0],
privateKey: keyPair[1],
userId: account.id,
}));
await transactionalEntityManager.save(new UserProfile({
userId: account.id,
autoAcceptFollowed: true,
password: hash,
}));
await transactionalEntityManager.save(new UsedUsername({
createdAt: new Date(),
username: username.toLowerCase(),
}));
});
usersChart.update(account, true);
return { account, secret };
}