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74 lines
1.6 KiB
PHP
74 lines
1.6 KiB
PHP
<?php
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class SessionHandler implements SessionHandlerInterface {
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private static $instance;
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private $db;
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public static function get() {
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if (self::$instance == null)
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self::$instance = new self();
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return self::$instance;
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}
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private function __construct() {
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$this->db = Db::get();
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session_set_save_handler("SessionHandler::open", "SessionHandler::close",
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"SessionHandler::read", "SessionHandler::write", "SessionHandler::destroy",
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"SessionHandler::gc");
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}
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public static function open($save_path, $name) { }
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public static function read ($id){
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$query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
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$res = $this->db->query("SELECT data FROM ttrss_sessions WHERE id='$id'");
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if ($this->db->num_rows($res) != 1) {
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"INSERT INTO ttrss_sessions (id, data, expire)
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VALUES ('$id', '$data', '$expire')";
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} else {
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$data = $this->db->fetch_result($res, 0, "data");
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return base64_decode($data);
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}
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}
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public static function write($id, $data) {
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if (! $data) {
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return false;
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}
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$data = $this->db->escape_string( base64_encode($data), false);
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$expire = time() + max(SESSION_COOKIE_LIFETIME, 86400);
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$query = "UPDATE ttrss_sessions SET data='$data',
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expire = '$expire' WHERE id='$id'";
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$this->db->query( $query);
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return true;
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}
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public static function close () { }
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public static function destroy($session_id) {
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$this->db->query("DELETE FROM ttrss_sessions WHERE id = '$session_id'");
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return true;
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}
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public static function gc($maxLifeTime) {
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$this->db->query("DELETE FROM ttrss_sessions WHERE expire < " time() - $maxLifeTime);
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return true;
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}
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}
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?>
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