function session_new($length = 86400)
{
$session_key = session_generate_key();
db_insert('wfpl_sessions', 'session_key,length', $session_key, $length);
$GLOBALS['session_id'] = db_auto_id();
$GLOBALS['session_key'] = $session_key;
$_REQUEST['session_key'] = $session_key;
#just in case someone calls session_exists() after session_new()
session_touch($length);
return $GLOBALS['session_key'];
}
/**
* Receives an array of usernames from a remote machine and prods their
* sessions to keep them alive
*
* @param array $array An array of usernames
* @return string "All ok" or an error message
*/
function keepalive_server($array)
{
global $CFG, $DB;
$remoteclient = get_mnet_remote_client();
$CFG->usesid = true;
// We don't want to output anything to the client machine
$start = ob_start();
// We'll get session records in batches of 30
$superArray = array_chunk($array, 30);
$returnString = '';
foreach ($superArray as $subArray) {
$subArray = array_values($subArray);
$instring = "('" . implode("', '", $subArray) . "')";
$query = "select id, session_id, username from {mnet_session} where username in {$instring}";
$results = $DB->get_records_sql($query);
if ($results == false) {
// We seem to have a username that breaks our query:
// TODO: Handle this error appropriately
$returnString .= "We failed to refresh the session for the following usernames: \n" . implode("\n", $subArray) . "\n\n";
} else {
foreach ($results as $emigrant) {
session_touch($emigrant->session_id);
}
}
}
$end = ob_end_clean();
if (empty($returnString)) {
return array('code' => 0, 'message' => 'All ok', 'last log id' => $remoteclient->last_log_id);
}
return array('code' => 1, 'message' => $returnString, 'last log id' => $remoteclient->last_log_id);
}
function session_start_php3()
{
// $debug=1;
global $php3SessionID, $auctionref;
if ($debug) {
printf("Recieved session=%s<br>", $php3SessionID);
}
if (!session_valid_session($php3SessionID)) {
$php3SessionID = session_begin_session($auctionref);
} else {
session_loadvars($php3SessionID);
}
session_touch($php3SessionID);
}