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import bcrypt from 'bcryptjs';
import owasp from 'owasp-password-strength-test';
import Joi from 'joi';
import { URL } from 'url';
import { Logger } from '../logger';
import User, { IUser } from '../types/user';
import isEmail from '../util/is-email';
import { AccessService } from './access-service';
import ResetTokenService from './reset-token-service';
import InvalidTokenError from '../error/invalid-token-error';
import NotFoundError from '../error/notfound-error';
import OwaspValidationError from '../error/owasp-validation-error';
import { EmailService } from './email-service';
import { IUnleashConfig } from '../types/option';
import SessionService from './session-service';
import { IUnleashStores } from '../types/stores';
import PasswordUndefinedError from '../error/password-undefined';
import { USER_UPDATED, USER_CREATED, USER_DELETED } from '../types/events';
import { IEventStore } from '../types/stores/event-store';
import { IUserSearch, IUserStore } from '../types/stores/user-store';
import { RoleName } from '../types/model';
import SettingService from './setting-service';
import { SimpleAuthSettings } from '../server-impl';
import { simpleAuthKey } from '../types/settings/simple-auth-settings';
import DisabledError from '../error/disabled-error';
import PasswordMismatch from '../error/password-mismatch';
const systemUser = new User({ id: -1, username: 'system' });
export interface ICreateUser {
name?: string;
email?: string;
username?: string;
password?: string;
rootRole: number | RoleName;
}
export interface IUpdateUser {
id: number;
name?: string;
email?: string;
rootRole?: number | RoleName;
}
export interface ILoginUserRequest {
email: string;
name?: string;
rootRole?: number | RoleName;
autoCreate?: boolean;
}
interface IUserWithRole extends IUser {
rootRole: number;
}
interface IRoleDescription {
description: string;
name: string;
type: string;
}
interface ITokenUser extends IUpdateUser {
createdBy: string;
token: string;
role: IRoleDescription;
}
const saltRounds = 10;
class UserService {
private logger: Logger;
private store: IUserStore;
private eventStore: IEventStore;
private accessService: AccessService;
private resetTokenService: ResetTokenService;
private sessionService: SessionService;
private emailService: EmailService;
private settingService: SettingService;
constructor(
stores: Pick<IUnleashStores, 'userStore' | 'eventStore'>,
{
getLogger,
authentication,
}: Pick<IUnleashConfig, 'getLogger' | 'authentication'>,
services: {
accessService: AccessService;
resetTokenService: ResetTokenService;
emailService: EmailService;
sessionService: SessionService;
settingService: SettingService;
},
) {
this.logger = getLogger('service/user-service.js');
this.store = stores.userStore;
this.eventStore = stores.eventStore;
this.accessService = services.accessService;
this.resetTokenService = services.resetTokenService;
this.emailService = services.emailService;
this.sessionService = services.sessionService;
this.settingService = services.settingService;
Iif (authentication && authentication.createAdminUser) {
process.nextTick(() => this.initAdminUser());
}
}
validatePassword(password: string): boolean {
if (password) {
const result = owasp.test(password);
if (!result.strong) {
throw new OwaspValidationError(result);
} else return true;
} else {
throw new PasswordUndefinedError();
}
}
async initAdminUser(): Promise<void> {
const userCount = await this.store.count();
if (userCount === 0) {
// create default admin user
try {
const pwd = 'unleash4all';
this.logger.info(
`Creating default user "admin" with password "${pwd}"`,
);
const user = await this.store.insert({
username: 'admin',
});
const passwordHash = await bcrypt.hash(pwd, saltRounds);
await this.store.setPasswordHash(user.id, passwordHash);
await this.accessService.setUserRootRole(
user.id,
RoleName.ADMIN,
);
} catch (e) {
this.logger.error('Unable to create default user "admin"');
}
}
}
async getAll(): Promise<IUserWithRole[]> {
const users = await this.store.getAll();
const defaultRole = await this.accessService.getRootRole(
RoleName.VIEWER,
);
const userRoles = await this.accessService.getRootRoleForAllUsers();
const usersWithRootRole = users.map((u) => {
const rootRole = userRoles.find((r) => r.userId === u.id);
const roleId = rootRole ? rootRole.roleId : defaultRole.id;
return { ...u, rootRole: roleId };
});
return usersWithRootRole;
}
async getUser(id: number): Promise<IUserWithRole> {
const roles = await this.accessService.getUserRootRoles(id);
const defaultRole = await this.accessService.getRootRole(
RoleName.VIEWER,
);
const roleId = roles.length > 0 ? roles[0].id : defaultRole.id;
const user = await this.store.get(id);
return { ...user, rootRole: roleId };
}
async search(query: IUserSearch): Promise<IUser[]> {
return this.store.search(query);
}
async getByEmail(email: string): Promise<IUser> {
return this.store.getByQuery({ email });
}
async createUser(
{ username, email, name, password, rootRole }: ICreateUser,
updatedBy?: User,
): Promise<IUser> {
assert.ok(username || email, 'You must specify username or email');
if (email) {
Joi.assert(email, Joi.string().email(), 'Email');
}
const exists = await this.store.hasUser({ username, email });
if (exists) {
throw new Error('User already exists');
}
const user = await this.store.insert({
username,
email,
name,
});
await this.accessService.setUserRootRole(user.id, rootRole);
if (password) {
const passwordHash = await bcrypt.hash(password, saltRounds);
await this.store.setPasswordHash(user.id, passwordHash);
}
await this.eventStore.store({
type: USER_CREATED,
createdBy: this.getCreatedBy(updatedBy),
data: this.mapUserToData(user),
});
return user;
}
private getCreatedBy(updatedBy: User = systemUser) {
return updatedBy.username || updatedBy.email;
}
private mapUserToData(user?: IUser): any {
Iif (!user) {
return undefined;
}
return {
id: user.id,
name: user.name,
username: user.username,
email: user.email,
};
}
async updateUser(
{ id, name, email, rootRole }: IUpdateUser,
updatedBy?: User,
): Promise<IUser> {
Joi.assert(email, Joi.string().email(), 'Email');
const preUser = await this.store.get(id);
Iif (rootRole) {
await this.accessService.setUserRootRole(id, rootRole);
}
const user = await this.store.update(id, { name, email });
await this.eventStore.store({
type: USER_UPDATED,
createdBy: this.getCreatedBy(updatedBy),
data: this.mapUserToData(user),
preData: this.mapUserToData(preUser),
});
return user;
}
async deleteUser(userId: number, updatedBy?: User): Promise<void> {
const user = await this.store.get(userId);
await this.accessService.unlinkUserRoles(userId);
await this.sessionService.deleteSessionsForUser(userId);
await this.store.delete(userId);
await this.eventStore.store({
type: USER_DELETED,
createdBy: this.getCreatedBy(updatedBy),
preData: this.mapUserToData(user),
});
}
async loginUser(usernameOrEmail: string, password: string): Promise<IUser> {
const settings = await this.settingService.get<SimpleAuthSettings>(
simpleAuthKey,
);
if (settings?.disabled) {
throw new DisabledError(
'Logging in with username/password has been disabled.',
);
}
const idQuery = isEmail(usernameOrEmail)
? { email: usernameOrEmail }
: { username: usernameOrEmail };
const user = await this.store.getByQuery(idQuery);
const passwordHash = await this.store.getPasswordHash(user.id);
const match = await bcrypt.compare(password, passwordHash);
if (match) {
await this.store.successfullyLogin(user);
return user;
}
throw new PasswordMismatch();
}
/**
* Used to login users without specifying password. Used when integrating
* with external identity providers.
*
* @param usernameOrEmail
* @param autoCreateUser
* @returns
*/
async loginUserWithoutPassword(
email: string,
autoCreateUser: boolean = false,
): Promise<IUser> {
return this.loginUserSSO({ email, autoCreate: autoCreateUser });
}
async loginUserSSO({
email,
name,
rootRole,
autoCreate = false,
}: ILoginUserRequest): Promise<IUser> {
let user: IUser;
try {
user = await this.store.getByQuery({ email });
// Update user if autCreate is enabled.
if (name && user.name !== name) {
user = await this.store.update(user.id, { name, email });
}
} catch (e) {
// User does not exists. Create if "autoCreate" is enabled
if (autoCreate) {
user = await this.createUser({
email,
name,
rootRole: rootRole || RoleName.EDITOR,
});
} else {
throw e;
}
}
this.store.successfullyLogin(user);
return user;
}
async changePassword(userId: number, password: string): Promise<void> {
this.validatePassword(password);
const passwordHash = await bcrypt.hash(password, saltRounds);
return this.store.setPasswordHash(userId, passwordHash);
}
async getUserForToken(token: string): Promise<ITokenUser> {
const { createdBy, userId } = await this.resetTokenService.isValid(
token,
);
const user = await this.getUser(userId);
const role = await this.accessService.getRoleData(user.rootRole);
return {
token,
createdBy,
email: user.email,
name: user.name,
id: user.id,
role: {
description: role.role.description,
type: role.role.type,
name: role.role.name,
},
};
}
/**
* If the password is a strong password will update password and delete all sessions for the user we're changing the password for
* @param token - the token authenticating this request
* @param password - new password
*/
async resetPassword(token: string, password: string): Promise<void> {
this.validatePassword(password);
const user = await this.getUserForToken(token);
const allowed = await this.resetTokenService.useAccessToken({
userId: user.id,
token,
});
if (allowed) {
await this.changePassword(user.id, password);
await this.sessionService.deleteSessionsForUser(user.id);
} else E{
throw new InvalidTokenError();
}
}
async createResetPasswordEmail(
receiverEmail: string,
user: User = systemUser,
): Promise<URL> {
const receiver = await this.getByEmail(receiverEmail);
Iif (!receiver) {
throw new NotFoundError(`Could not find ${receiverEmail}`);
}
const resetLink = await this.resetTokenService.createResetPasswordUrl(
receiver.id,
user.username || user.email,
);
await this.emailService.sendResetMail(
receiver.name,
receiver.email,
resetLink.toString(),
);
return resetLink;
}
}
module.exports = UserService;
export default UserService;
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