Feature / Refactor to session based auth in backend #9
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@ -1,7 +1,8 @@
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import { Injectable } from '@nestjs/common';
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import { Injectable } from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Response } from 'express';
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import { Session } from 'src/entities';
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import { Session } from 'src/entities';
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import { Repository } from 'typeorm';
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import { LessThan, Repository } from 'typeorm';
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import { v4 as uuidv4 } from 'uuid';
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import { v4 as uuidv4 } from 'uuid';
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@Injectable()
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@Injectable()
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@ -30,6 +31,21 @@ export class SessionRepository {
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return session;
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return session;
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}
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}
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public async findSessionBySessionId(sessionId: string): Promise<Session> {
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return await this.sessionRepository.findOne({
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where: { sessionId: sessionId },
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relations: ['userCredentials'],
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});
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}
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public attachSessionToResponse(response: Response, sessionId: string): void {
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response.cookie('session_id', sessionId, {
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httpOnly: true,
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secure: true,
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sameSite: 'strict',
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});
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}
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public async validateSessionUserAgent(
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public async validateSessionUserAgent(
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sessionId: string,
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sessionId: string,
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currentUserAgent: string
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currentUserAgent: string
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@ -45,4 +61,41 @@ export class SessionRepository {
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return session.userAgent === currentUserAgent;
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return session.userAgent === currentUserAgent;
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}
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}
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public async checkSessionLimit(userId: string): Promise<void> {
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const userSessions = await this.sessionRepository
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.createQueryBuilder('session')
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.leftJoinAndSelect('session.userCredentials', 'userCredentials')
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.where('userCredentials.id = :userId', { userId })
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.orderBy('session.expiresAt', 'ASC')
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.getMany();
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if (userSessions.length >= 5) {
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await this.sessionRepository.delete(userSessions[0].id);
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}
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}
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public async invalidateAllSessionsForUser(userId: string): Promise<void> {
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await this.sessionRepository.delete({ userCredentials: userId });
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}
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public async extendSessionExpiration(sessionId: string): Promise<void> {
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const session = await this.sessionRepository.findOne({
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where: { sessionId },
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});
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if (session) {
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session.expiresAt = new Date(
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session.expiresAt.setMinutes(session.expiresAt.getMinutes() + 30)
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);
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await this.sessionRepository.save(session);
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}
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}
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// TODO Add cron job to clear expired sessions
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public async clearExpiredSessions(): Promise<void> {
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const now = new Date();
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await this.sessionRepository.delete({ expiresAt: LessThan(now) });
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}
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}
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}
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@ -88,7 +88,7 @@ export class AuthService {
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this.sessionService.attachSessionToResponse(response, sesseionId.sessionId);
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this.sessionService.attachSessionToResponse(response, sesseionId.sessionId);
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return this.generateAndPersistTokens(user.id, user.email);
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return this.generateAndPersistTokens(user.id, user.email, true);
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}
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}
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public async logout(userId: string): Promise<boolean> {
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public async logout(userId: string): Promise<boolean> {
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@ -2,7 +2,6 @@ import { Injectable } from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Response } from 'express';
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import { Response } from 'express';
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import { Session } from 'src/entities';
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import { Session } from 'src/entities';
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import { LessThan, Repository } from 'typeorm';
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import { SessionRepository } from '../repositories/session.repository';
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import { SessionRepository } from '../repositories/session.repository';
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@ -10,76 +9,47 @@ import { SessionRepository } from '../repositories/session.repository';
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export class SessionService {
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export class SessionService {
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public constructor(
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public constructor(
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@InjectRepository(Session)
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@InjectRepository(Session)
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private sessionRepository: Repository<Session>,
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private readonly sessionRepository: SessionRepository
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private readonly sessionRepository2: SessionRepository
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) {}
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) {}
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public async createSession(
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public async createSession(
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userId: string,
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userId: string,
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userAgent: string
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userAgent: string
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): Promise<Session> {
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): Promise<Session> {
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return this.sessionRepository2.createSession(userId, userAgent);
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return await this.sessionRepository.createSession(userId, userAgent);
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}
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}
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public async validateSessionUserAgent(
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public async validateSessionUserAgent(
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sessionId: string,
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sessionId: string,
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currentUserAgent: string
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currentUserAgent: string
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): Promise<boolean> {
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): Promise<boolean> {
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return this.sessionRepository2.validateSessionUserAgent(
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return await this.sessionRepository.validateSessionUserAgent(
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sessionId,
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sessionId,
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currentUserAgent
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currentUserAgent
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);
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);
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}
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}
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public async checkSessionLimit(userId: string): Promise<void> {
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public async checkSessionLimit(userId: string): Promise<void> {
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const userSessions = await this.sessionRepository
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await this.sessionRepository.checkSessionLimit(userId);
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.createQueryBuilder('session')
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.leftJoinAndSelect('session.userCredentials', 'userCredentials')
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.where('userCredentials.id = :userId', { userId })
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.orderBy('session.expiresAt', 'ASC')
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.getMany();
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if (userSessions.length >= 5) {
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await this.sessionRepository.delete(userSessions[0].id);
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}
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}
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}
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public async invalidateAllSessionsForUser(userId: string): Promise<void> {
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public async invalidateAllSessionsForUser(userId: string): Promise<void> {
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await this.sessionRepository.delete({ userCredentials: userId });
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await this.sessionRepository.invalidateAllSessionsForUser(userId);
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}
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}
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// TODO Add cron job to clear expired sessions
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public async clearExpiredSessions(): Promise<void> {
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public async clearExpiredSessions(): Promise<void> {
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const now = new Date();
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await this.sessionRepository.clearExpiredSessions();
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await this.sessionRepository.delete({ expiresAt: LessThan(now) });
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}
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}
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public async extendSessionExpiration(sessionId: string): Promise<void> {
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public async extendSessionExpiration(sessionId: string): Promise<void> {
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const session = await this.sessionRepository.findOne({
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await this.sessionRepository.extendSessionExpiration(sessionId);
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where: { sessionId },
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});
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if (session) {
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session.expiresAt = new Date(
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session.expiresAt.setMinutes(session.expiresAt.getMinutes() + 30)
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);
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await this.sessionRepository.save(session);
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}
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}
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}
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public async findSessionBySessionId(sessionId: string): Promise<Session> {
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public async findSessionBySessionId(sessionId: string): Promise<Session> {
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return this.sessionRepository.findOne({
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return await this.sessionRepository.findSessionBySessionId(sessionId);
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where: { sessionId: sessionId },
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relations: ['userCredentials'],
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});
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}
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}
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public attachSessionToResponse(response: Response, sessionId: string): void {
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public attachSessionToResponse(response: Response, sessionId: string): void {
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response.cookie('session_id', sessionId, {
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this.sessionRepository.attachSessionToResponse(response, sessionId);
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httpOnly: true,
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secure: true,
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sameSite: 'strict',
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});
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}
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}
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}
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}
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