Files
BountyBoard/internal/store/sessions.go
etalon c1cc781279 feat: authentication with local accounts, sessions, CSRF, RBAC, and OIDC PKCE (phase 3)
- argon2id (t=3, m=64MiB, p=2) PHC hashing honoring embedded params
- token-bucket rate limiting (10/15min per IP+email) on login/register
- opaque 32B session tokens in Mongo, 30-day sliding expiry, logout-all
- CSRF double-submit cookie/header on authenticated mutations
- bootstrap admin from env with forced first-login password change
- requireAuth/requireRole middleware with disabled-account enforcement
- OIDC code flow with PKCE: lazy discovery, account linking only on
  verified email, auto-created developer accounts
- unit tests (RBAC matrix, CSRF, password, rate limiter) + integration
  suite covering the full auth matrix incl. an in-test fake IdP

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-06-12 18:31:25 +02:00

82 lines
2.4 KiB
Go

package store
import (
"context"
"errors"
"fmt"
"time"
"go.mongodb.org/mongo-driver/v2/bson"
"go.mongodb.org/mongo-driver/v2/mongo"
"bountyboard/internal/domain"
)
func (s *Store) sessions() *mongo.Collection { return s.DB.Collection("sessions") }
func (s *Store) CreateSession(ctx context.Context, sess *domain.Session) error {
if _, err := s.sessions().InsertOne(ctx, sess); err != nil {
return fmt.Errorf("insert session: %w", err)
}
return nil
}
// SessionByToken returns a live session. Expired-but-not-yet-reaped rows
// (Mongo TTL sweeps roughly once a minute) are treated as absent.
func (s *Store) SessionByToken(ctx context.Context, token string) (*domain.Session, error) {
var sess domain.Session
err := s.sessions().FindOne(ctx, bson.M{
"_id": token,
"expiresAt": bson.M{"$gt": time.Now().UTC()},
}).Decode(&sess)
if errors.Is(err, mongo.ErrNoDocuments) {
return nil, ErrNotFound
}
if err != nil {
return nil, fmt.Errorf("find session: %w", err)
}
return &sess, nil
}
// RefreshSession slides the expiry window (§7: 30-day sliding expiry).
func (s *Store) RefreshSession(ctx context.Context, token string) error {
now := time.Now().UTC()
_, err := s.sessions().UpdateOne(ctx, bson.M{"_id": token}, bson.M{
"$set": bson.M{"expiresAt": now.Add(domain.SessionTTL), "refreshedAt": now},
})
if err != nil {
return fmt.Errorf("refresh session: %w", err)
}
return nil
}
func (s *Store) DeleteSession(ctx context.Context, token string) error {
if _, err := s.sessions().DeleteOne(ctx, bson.M{"_id": token}); err != nil {
return fmt.Errorf("delete session: %w", err)
}
return nil
}
// DeleteUserSessions revokes every session of a user (logout-all, disable,
// password change).
func (s *Store) DeleteUserSessions(ctx context.Context, userID string) (int64, error) {
res, err := s.sessions().DeleteMany(ctx, bson.M{"userId": userID})
if err != nil {
return 0, fmt.Errorf("delete user sessions: %w", err)
}
return res.DeletedCount, nil
}
// DeleteUserSessionsExcept revokes all sessions of a user except one (used
// after a password change to keep the current session alive).
func (s *Store) DeleteUserSessionsExcept(ctx context.Context, userID, keepToken string) (int64, error) {
res, err := s.sessions().DeleteMany(ctx, bson.M{
"userId": userID,
"_id": bson.M{"$ne": keepToken},
})
if err != nil {
return 0, fmt.Errorf("delete user sessions: %w", err)
}
return res.DeletedCount, nil
}