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| 10: | namespace Opencart\System\Library\Session;
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| 16: | class DB {
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| 17: | private object $db;
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| 18: | private object $config;
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| 25: | public function __construct(\Opencart\System\Engine\Registry $registry) {
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| 26: | $this->db = $registry->get('db');
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| 27: | $this->config = $registry->get('config');
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| 28: | }
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| 37: | public function read(string $session_id): array {
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| 38: | $query = $this->db->query("SELECT `data` FROM `" . DB_PREFIX . "session` WHERE `session_id` = '" . $this->db->escape($session_id) . "' AND `expire` > '" . $this->db->escape(gmdate('Y-m-d H:i:s')) . "'");
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| 40: | if ($query->num_rows) {
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| 41: | return (array)json_decode($query->row['data'], true);
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| 42: | } else {
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| 43: | return [];
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| 44: | }
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| 45: | }
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| 55: | public function write(string $session_id, array $data): bool {
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| 56: | if ($session_id) {
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| 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'))) . "'");
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| 58: | }
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| 60: | return true;
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| 61: | }
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| 70: | public function destroy(string $session_id): bool {
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| 71: | $this->db->query("DELETE FROM `" . DB_PREFIX . "session` WHERE `session_id` = '" . $this->db->escape($session_id) . "'");
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| 73: | return true;
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| 74: | }
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| 81: | public function gc(): bool {
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| 82: | if (round(mt_rand(1, $this->config->get('session_divisor') / $this->config->get('session_probability'))) == 1) {
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| 83: | $this->db->query("DELETE FROM `" . DB_PREFIX . "session` WHERE `expire` < '" . $this->db->escape(gmdate('Y-m-d H:i:s', time())) . "'");
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| 84: | }
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| 86: | return true;
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| 87: | }
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| 88: | }
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