Files
seshat/backend/nestjs-seshat-api/src/auth/auth.service.ts

132 lines
3.3 KiB
TypeScript

import { Injectable, UnauthorizedException } from '@nestjs/common';
import { UserEntity } from 'src/users/entities/users.entity';
import { UsersService } from 'src/users/users.service';
import { AuthRefreshService } from './auth.refresh.service';
import { AuthAccessService } from './auth.access.service';
import { UUID } from 'crypto';
import { AuthenticationDto } from './dto/authentication.dto';
import { LoginDto } from './dto/login.dto';
@Injectable()
export class AuthService {
constructor(
private accessTokens: AuthAccessService,
private refreshTokens: AuthRefreshService,
private users: UsersService,
) { }
async login(
loginDetails: LoginDto
): Promise<AuthenticationDto | null> {
const user = await this.users.findOne(loginDetails);
if (!user) {
throw new UnauthorizedException();
}
if (loginDetails.remember_me) {
return this.renew(user);
}
const access_token = await this.accessTokens.generate(user);
return {
...access_token,
refresh_token: null,
refresh_exp: null,
}
}
async renew(
user: UserEntity,
): Promise<AuthenticationDto | null> {
const new_refresh_data = await this.refreshTokens.generate(user);
const access_token = await this.accessTokens.generate(user);
return {
...access_token,
refresh_token: new_refresh_data.refresh_token,
refresh_exp: new_refresh_data.exp,
}
}
async validate(
username: string,
password: string,
): Promise<UserEntity | null> {
return await this.users.findOne({ user_login: username, password, remember_me: false });
}
async verify(
accessToken: string,
refreshToken: string
): Promise<{ validation: boolean, userId: UUID | null, username: string | null }> {
let access: any = null;
let refresh: any = null;
if (accessToken) {
access = await this.accessTokens.verify(accessToken);
if (!access.username || !access.sub) {
return {
validation: false,
userId: null,
username: null,
};
}
}
if (refreshToken) {
refresh = await this.refreshTokens.verify(refreshToken);
if (!refresh.username || !refresh.sub) {
return {
validation: false,
userId: null,
username: null,
};
}
}
if (accessToken && refreshToken) {
if (access.username != refresh.username || access.sub != refresh.sub) {
return {
validation: false,
userId: null,
username: null,
};
}
}
if (!accessToken || !access.exp || access.exp * 1000 <= new Date().getTime()) {
if (!refreshToken || !refresh.exp || refresh.exp * 1000 <= new Date().getTime()) {
// Both expired.
return {
validation: false,
userId: null,
username: null,
};
}
// Refresh token is still active.
return {
validation: null,
userId: refresh.sub,
username: refresh.username,
};
}
// Access still active, at least.
return {
validation: true,
userId: access.sub,
username: access.username,
};
}
async revoke(
userId: UUID,
refreshToken: string
): Promise<boolean> {
const res = await this.refreshTokens.revoke(userId, refreshToken);
return res?.affected === 1;
}
}