Files

66 lines
2.0 KiB
Go

package store
import (
"context"
"database/sql"
"errors"
"fmt"
"time"
)
// PutOIDCState stores the (state_hash, code_verifier) pair created
// at /auth/oidc/login start. Called once per login attempt.
func (s *Store) PutOIDCState(ctx context.Context, stateHash, verifier string, createdAt time.Time) error {
_, err := s.db.ExecContext(ctx,
`INSERT INTO oidc_state (state_hash, code_verifier, created_at)
VALUES (?, ?, ?)`,
stateHash, verifier,
createdAt.UTC().Format(time.RFC3339Nano))
if err != nil {
return fmt.Errorf("store: put oidc state: %w", err)
}
return nil
}
// ConsumeOIDCState atomically reads + deletes the row in one go,
// returning the code_verifier. Single-use — a re-play returns
// ErrNotFound. Used by the OIDC callback handler.
func (s *Store) ConsumeOIDCState(ctx context.Context, stateHash string) (string, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return "", fmt.Errorf("store: begin: %w", err)
}
defer func() { _ = tx.Rollback() }()
var verifier string
err = tx.QueryRowContext(ctx,
`SELECT code_verifier FROM oidc_state WHERE state_hash = ?`,
stateHash).Scan(&verifier)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return "", ErrNotFound
}
return "", fmt.Errorf("store: consume oidc state: %w", err)
}
if _, err := tx.ExecContext(ctx,
`DELETE FROM oidc_state WHERE state_hash = ?`, stateHash); err != nil {
return "", fmt.Errorf("store: delete oidc state: %w", err)
}
if err := tx.Commit(); err != nil {
return "", fmt.Errorf("store: commit: %w", err)
}
return verifier, nil
}
// CleanupExpiredOIDCState removes entries created before cutoff.
// Called on the alert engine's 60s tick alongside setup-token sweep.
func (s *Store) CleanupExpiredOIDCState(ctx context.Context, cutoff time.Time) (int64, error) {
res, err := s.db.ExecContext(ctx,
`DELETE FROM oidc_state WHERE created_at < ?`,
cutoff.UTC().Format(time.RFC3339Nano))
if err != nil {
return 0, fmt.Errorf("store: cleanup oidc state: %w", err)
}
n, _ := res.RowsAffected()
return n, nil
}