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import { Body, Controller, Delete, HttpException, HttpStatus, Post, Res } from '@nestjs/common';
import { Response } from 'express';
import { UsersService } from 'server/providers/services/users.service';
import { SignInDto } from 'server/dto/sign_in.dto';
import { JwtService } from 'server/providers/services/jwt.service';
import { RefreshTokensService } from 'server/providers/services/refresh_tokens.service';
import { RefreshToken } from 'server/entities/refresh_token.entity';
// this is kind of a misnomer because we are doing token based auth
// instead of session based auth
@Controller()
export class SessionsController {
constructor(
private usersService: UsersService,
private jwtService: JwtService,
private refreshTokenService: RefreshTokensService,
) {}
@Post('/sessions')
async create(@Body() body: SignInDto, @Res({ passthrough: true }) res: Response) {
const { verified, user } = await this.usersService.verify(body.email, body.password);
if (!verified) {
throw new HttpException('Invalid email or password.', HttpStatus.BAD_REQUEST);
}
let refreshToken = user.refreshTokens[0];
if (!refreshToken) {
const newRefreshToken = new RefreshToken();
newRefreshToken.user = user;
refreshToken = await this.refreshTokenService.create(newRefreshToken);
// generate new refresh token
}
// JWT gets sent with response
const token = this.jwtService.issueToken({ userId: user.id });
const refreshJwtToken = this.jwtService.issueRefreshToken({ id: refreshToken.id, userId: user.id });
// only refresh token should go in the cookie
res.cookie('_refresh_token', refreshJwtToken, {
httpOnly: true, // prevents javascript code from accessing cookie (helps protect against XSS attacks)
});
return { token };
}
@Delete('/sessions')
async destroy(@Res({ passthrough: true }) res: Response) {
res.clearCookie('_refresh_token');
return { success: true };
}
}
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