docs/api/source-system.library.session.db.html
| 1: | <?php |
| 2: | /* |
| 3: | CREATE TABLE IF NOT EXISTS session ( |
| 4: | session_id varchar(32) NOT NULL, |
| 5: | data text NOT NULL, |
| 6: | expire datetime NOT NULL, |
| 7: | PRIMARY KEY (session_id) |
| 8: | ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci; |
| 9: | */ |
| 10: | namespace Opencart\System\Library\Session; |
| 11: | /** |
| 12: | * Class DB |
| 13: | * |
| 14: | * @package Opencart\System\Library\Session |
| 15: | */ |
| 16: | class DB { |
| 17: | private object $db; |
| 18: | private object $config; |
| 19: | |
| 20: | /** |
| 21: | * Constructor |
| 22: | * |
| 23: | * @param \Opencart\System\Engine\Registry $registry |
| 24: | */ |
| 25: | public function __construct(\Opencart\System\Engine\Registry $registry) { |
| 26: | $this->db = $registry->get('db'); |
| 27: | $this->config = $registry->get('config'); |
| 28: | } |
| 29: | |
| 30: | /** |
| 31: | * Read |
| 32: | * |
| 33: | * @param string $session_id |
| 34: | * |
| 35: | * @return array<mixed> |
| 36: | */ |
| 37: | public function read(string $session_id): array { |
| 38: | $query = $this->db->query("SELECT data FROM " . DB\_PREFIX . "session WHERE session\_id = '" . $this->db->escape($session_id) . "' AND expire > '" . $this->db->escape(gmdate('Y-m-d H:i:s')) . "'"); |
| 39: | |
| 40: | if ($query->num_rows) { |
| 41: | return (array)json_decode($query->row['data'], true); |
| 42: | } else { |
| 43: | return []; |
| 44: | } |
| 45: | } |
| 46: | |
| 47: | /** |
| 48: | * Write |
| 49: | * |
| 50: | * @param string $session_id |
| 51: | * @param array<mixed> $data |
| 52: | * |
| 53: | * @return bool |
| 54: | */ |
| 55: | public function write(string $session_id, array $data): bool { |
| 56: | if ($session_id) { |
| 57: | $this->db->query("REPLACE INTO " . DB\_PREFIX . "session SET session\_id = '" . $this->db->escape($session_id) . "', data = '" . $this->db->escape($data ? json_encode($data) : '') . "', expire = '" . $this->db->escape(gmdate('Y-m-d H:i:s', time() + $this->config->get('session_expire'))) . "'"); |
| 58: | } |
| 59: | |
| 60: | return true; |
| 61: | } |
| 62: | |
| 63: | /** |
| 64: | * Destroy |
| 65: | * |
| 66: | * @param string $session_id |
| 67: | * |
| 68: | * @return bool |
| 69: | */ |
| 70: | public function destroy(string $session_id): bool { |
| 71: | $this->db->query("DELETE FROM " . DB\_PREFIX . "session WHERE session\_id = '" . $this->db->escape($session_id) . "'"); |
| 72: | |
| 73: | return true; |
| 74: | } |
| 75: | |
| 76: | /** |
| 77: | * GC |
| 78: | * |
| 79: | * @return bool |
| 80: | */ |
| 81: | public function gc(): bool { |
| 82: | if (round(mt_rand(1, $this->config->get('session_divisor') / $this->config->get('session_probability'))) == 1) { |
| 83: | $this->db->query("DELETE FROM " . DB\_PREFIX . "session WHERE expire < '" . $this->db->escape(gmdate('Y-m-d H:i:s', time())) . "'"); |
| 84: | } |
| 85: | |
| 86: | return true; |
| 87: | } |
| 88: | } |
| 89: | |
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