114 lines
2.4 KiB
PHP
114 lines
2.4 KiB
PHP
<?
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// Original from http://www.daniweb.com/code/snippet43.html
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require_once "config.php";
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require_once "db.php";
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$session_expire = 3600; //seconds
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ini_set("session.gc_probability", 50);
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ini_set("session.name", "ttrss_sid");
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function open ($s, $n) {
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global $session_connection;
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$session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
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return true;
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}
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function read ($id){
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global $session_connection,$session_read;
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$ip_address = $_SERVER["REMOTE_ADDR"];
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if (SESSION_CHECK_ADDRESS) {
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$address_check_qpart = " AND ip_address = '$ip_address'";
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}
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$query = "SELECT data FROM ttrss_sessions WHERE id='$id' $address_check_qpart";
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$res = db_query($session_connection, $query);
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if (db_num_rows($res) != 1) {
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return "";
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} else {
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$session_read = db_fetch_assoc($res);
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$session_read["data"] = base64_decode($session_read["data"]);
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return $session_read["data"];
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}
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}
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function write ($id, $data) {
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if (! $data) {
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return false;
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}
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global $session_connection, $session_read, $session_expire;
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$expire = time() + $session_expire;
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$data = db_escape_string(base64_encode($data), $session_connection);
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$ip_address = $_SERVER["REMOTE_ADDR"];
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if (SESSION_CHECK_ADDRESS) {
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$address_check_qpart = " AND ip_address = '$ip_address'";
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}
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if ($session_read) {
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$query = "UPDATE ttrss_sessions SET data='$data',
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expire='$expire' WHERE id='$id' $address_check_qpart";
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} else {
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$query = "INSERT INTO ttrss_sessions (id, data, expire, ip_address)
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VALUES ('$id', '$data', '$expire', '$ip_address')";
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}
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db_query($session_connection, $query);
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return true;
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}
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function close () {
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global $session_connection;
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db_close($session_connection);
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return true;
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}
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function destroy ($id) {
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global $session_connection;
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$ip_address = $_SERVER["REMOTE_ADDR"];
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if (SESSION_CHECK_ADDRESS) {
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$address_check_qpart = " AND ip_address = '$ip_address'";
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}
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$query = "DELETE FROM ttrss_sessions WHERE id = '$id' $address_check_qpart";
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db_query($session_connection, $query);
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return true;
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}
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function gc ($expire) {
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global $session_connection;
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$query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
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db_query($session_connection, $query);
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}
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if (DATABASE_BACKED_SESSIONS) {
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session_set_save_handler ("open", "close", "read", "write", "destroy", "gc");
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}
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session_start();
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?>
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