Files
Erupe/server/signserver/repo_character.go
Houmgaor b3f75232a3 refactor(signserver): replace raw SQL with repository interfaces
Extract all direct database access into three repository interfaces
(SignUserRepo, SignCharacterRepo, SignSessionRepo) matching the
pattern established in channelserver. This surfaces 9 previously
silenced errors that are now logged with structured context, and
makes the sign server testable with mock repos instead of go-sqlmock.

Security fix: GetFriends now uses parameterized ANY($1) queries
instead of string-concatenated WHERE clauses (SQL injection vector).
2026-02-22 16:30:24 +01:00

120 lines
3.6 KiB
Go

package signserver
import (
"strings"
"github.com/jmoiron/sqlx"
"github.com/lib/pq"
)
// SignCharacterRepository implements SignCharacterRepo with PostgreSQL.
type SignCharacterRepository struct {
db *sqlx.DB
}
// NewSignCharacterRepository creates a new SignCharacterRepository.
func NewSignCharacterRepository(db *sqlx.DB) *SignCharacterRepository {
return &SignCharacterRepository{db: db}
}
func (r *SignCharacterRepository) CountNewCharacters(uid uint32) (int, error) {
var count int
err := r.db.QueryRow("SELECT COUNT(*) FROM characters WHERE user_id = $1 AND is_new_character = true", uid).Scan(&count)
return count, err
}
func (r *SignCharacterRepository) CreateCharacter(uid uint32, lastLogin uint32) error {
_, err := r.db.Exec(`
INSERT INTO characters (
user_id, is_female, is_new_character, name, unk_desc_string,
hr, gr, weapon_type, last_login)
VALUES($1, False, True, '', '', 0, 0, 0, $2)`,
uid, lastLogin,
)
return err
}
func (r *SignCharacterRepository) GetForUser(uid uint32) ([]character, error) {
characters := make([]character, 0)
err := r.db.Select(&characters, "SELECT id, is_female, is_new_character, name, unk_desc_string, hr, gr, weapon_type, last_login FROM characters WHERE user_id = $1 AND deleted = false ORDER BY id", uid)
if err != nil {
return nil, err
}
return characters, nil
}
func (r *SignCharacterRepository) IsNewCharacter(cid int) (bool, error) {
var isNew bool
err := r.db.QueryRow("SELECT is_new_character FROM characters WHERE id = $1", cid).Scan(&isNew)
return isNew, err
}
func (r *SignCharacterRepository) HardDelete(cid int) error {
_, err := r.db.Exec("DELETE FROM characters WHERE id = $1", cid)
return err
}
func (r *SignCharacterRepository) SoftDelete(cid int) error {
_, err := r.db.Exec("UPDATE characters SET deleted = true WHERE id = $1", cid)
return err
}
// GetFriends returns friends for a character using parameterized queries
// (fixes the SQL injection vector from the original string-concatenated approach).
func (r *SignCharacterRepository) GetFriends(charID uint32) ([]members, error) {
var friendsCSV string
err := r.db.QueryRow("SELECT friends FROM characters WHERE id=$1", charID).Scan(&friendsCSV)
if err != nil {
return nil, err
}
if friendsCSV == "" {
return nil, nil
}
friendsSlice := strings.Split(friendsCSV, ",")
// Filter out empty strings
ids := make([]string, 0, len(friendsSlice))
for _, s := range friendsSlice {
s = strings.TrimSpace(s)
if s != "" {
ids = append(ids, s)
}
}
if len(ids) == 0 {
return nil, nil
}
// Use parameterized ANY($1) instead of string-concatenated WHERE id=X OR id=Y
friends := make([]members, 0)
err = r.db.Select(&friends, "SELECT id, name FROM characters WHERE id = ANY($1)", pq.Array(ids))
if err != nil {
return nil, err
}
return friends, nil
}
// GetGuildmates returns guildmates for a character.
func (r *SignCharacterRepository) GetGuildmates(charID uint32) ([]members, error) {
var inGuild int
err := r.db.QueryRow("SELECT count(*) FROM guild_characters WHERE character_id=$1", charID).Scan(&inGuild)
if err != nil {
return nil, err
}
if inGuild == 0 {
return nil, nil
}
var guildID int
err = r.db.QueryRow("SELECT guild_id FROM guild_characters WHERE character_id=$1", charID).Scan(&guildID)
if err != nil {
return nil, err
}
guildmates := make([]members, 0)
err = r.db.Select(&guildmates, "SELECT character_id AS id, c.name FROM guild_characters gc JOIN characters c ON c.id = gc.character_id WHERE guild_id=$1 AND character_id!=$2", guildID, charID)
if err != nil {
return nil, err
}
return guildmates, nil
}