mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-12 17:50:42 +01:00
818 lines
17 KiB
PHP
818 lines
17 KiB
PHP
|
<?php
|
||
|
|
||
|
|
||
|
/*
|
||
|
V4.01 23 Oct 2003 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
|
||
|
Contributed by Ross Smith (adodb@netebb.com).
|
||
|
Released under both BSD license and Lesser GPL library license.
|
||
|
Whenever there is any discrepancy between the two licenses,
|
||
|
the BSD license will take precedence.
|
||
|
Set tabs to 4 for best viewing.
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
You may want to rename the 'data' field to 'session_data' as
|
||
|
'data' appears to be a reserved word for one or more of the following:
|
||
|
ANSI SQL
|
||
|
IBM DB2
|
||
|
MS SQL Server
|
||
|
Postgres
|
||
|
SAP
|
||
|
|
||
|
If you do, then execute:
|
||
|
|
||
|
ADODB_Session::dataFieldName('session_data');
|
||
|
|
||
|
*/
|
||
|
|
||
|
if (!defined('_ADODB_LAYER')) {
|
||
|
require_once realpath(dirname(__FILE__) . '/../adodb.inc.php');
|
||
|
}
|
||
|
|
||
|
if (defined('ADODB_SESSION')) return 1;
|
||
|
|
||
|
define('ADODB_SESSION', dirname(__FILE__));
|
||
|
|
||
|
/*!
|
||
|
\static
|
||
|
*/
|
||
|
class ADODB_Session {
|
||
|
/////////////////////
|
||
|
// getter/setter methods
|
||
|
/////////////////////
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function driver($driver = null) {
|
||
|
static $_driver = 'mysql';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($driver)) {
|
||
|
$_driver = trim($driver);
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_DRIVER'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_DRIVER'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_driver;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function host($host = null) {
|
||
|
static $_host = 'localhost';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($host)) {
|
||
|
$_host = trim($host);
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_CONNECT'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_CONNECT'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_host;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function user($user = null) {
|
||
|
static $_user = 'root';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($user)) {
|
||
|
$_user = trim($user);
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_USER'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_USER'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_user;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function password($password = null) {
|
||
|
static $_password = '';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($password)) {
|
||
|
$_password = $password;
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_PWD'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_PWD'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_password;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function database($database = null) {
|
||
|
static $_database = 'xphplens_2';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($database)) {
|
||
|
$_database = trim($database);
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_DB'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_DB'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_database;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function persist($persist = null) {
|
||
|
static $_persist = true;
|
||
|
|
||
|
if (!is_null($persist)) {
|
||
|
$_persist = trim($persist);
|
||
|
}
|
||
|
|
||
|
return $_persist;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function lifetime($lifetime = null) {
|
||
|
static $_lifetime;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($lifetime)) {
|
||
|
$_lifetime = (int) $lifetime;
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESS_LIFE'])) {
|
||
|
return $GLOBALS['ADODB_SESS_LIFE'];
|
||
|
}
|
||
|
}
|
||
|
if (!$_lifetime) {
|
||
|
$_lifetime = ini_get('session.gc_maxlifetime');
|
||
|
if ($_lifetime <= 1) {
|
||
|
// bug in PHP 4.0.3 pl 1 -- how about other versions?
|
||
|
//print "<h3>Session Error: PHP.INI setting <i>session.gc_maxlifetime</i>not set: $lifetime</h3>";
|
||
|
$_lifetime = 1440;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_lifetime;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function debug($debug = null) {
|
||
|
static $_debug = false;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($debug)) {
|
||
|
$_debug = (bool) $debug;
|
||
|
|
||
|
$conn = ADODB_Session::_conn();
|
||
|
if ($conn) {
|
||
|
$conn->debug = $_debug;
|
||
|
}
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESS_DEBUG'])) {
|
||
|
return $GLOBALS['ADODB_SESS_DEBUG'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_debug;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function expireNotify($expire_notify = null) {
|
||
|
static $_expire_notify;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($expire_notify)) {
|
||
|
$_expire_notify = $expire_notify;
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_expire_notify;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function table($table = null) {
|
||
|
static $_table = 'sessions';
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($table)) {
|
||
|
$_table = trim($table);
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_TBL'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_TBL'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_table;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function optimize($optimize = null) {
|
||
|
static $_optimize = false;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($optimize)) {
|
||
|
$_optimize = (bool) $optimize;
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (defined('ADODB_SESSION_OPTIMIZE')) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_optimize;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function syncSeconds($sync_seconds = null) {
|
||
|
static $_sync_seconds = 60;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($sync_seconds)) {
|
||
|
$_sync_seconds = (int) $sync_seconds;
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (defined('ADODB_SESSION_SYNCH_SECS')) {
|
||
|
return ADODB_SESSION_SYNCH_SECS;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_sync_seconds;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function clob($clob = null) {
|
||
|
static $_clob = false;
|
||
|
static $set = false;
|
||
|
|
||
|
if (!is_null($clob)) {
|
||
|
$_clob = strtolower(trim($clob));
|
||
|
$set = true;
|
||
|
} elseif (!$set) {
|
||
|
// backwards compatibility
|
||
|
if (isset($GLOBALS['ADODB_SESSION_USE_LOBS'])) {
|
||
|
return $GLOBALS['ADODB_SESSION_USE_LOBS'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $_clob;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function dataFieldName($data_field_name = null) {
|
||
|
static $_data_field_name = 'data';
|
||
|
|
||
|
if (!is_null($data_field_name)) {
|
||
|
$_data_field_name = trim($data_field_name);
|
||
|
}
|
||
|
|
||
|
return $_data_field_name;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function filter($filter = null) {
|
||
|
static $_filter = array();
|
||
|
|
||
|
if (!is_null($filter)) {
|
||
|
if (!is_array($filter)) {
|
||
|
$filter = array($filter);
|
||
|
}
|
||
|
$_filter = $filter;
|
||
|
}
|
||
|
|
||
|
return $_filter;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function encryptionKey($encryption_key = null) {
|
||
|
static $_encryption_key = 'CRYPTED ADODB SESSIONS ROCK!';
|
||
|
|
||
|
if (!is_null($encryption_key)) {
|
||
|
$_encryption_key = $encryption_key;
|
||
|
}
|
||
|
|
||
|
return $_encryption_key;
|
||
|
}
|
||
|
|
||
|
/////////////////////
|
||
|
// private methods
|
||
|
/////////////////////
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function &_conn($conn=null) {
|
||
|
return $GLOBALS['ADODB_SESS_CONN'];
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function _crc($crc = null) {
|
||
|
static $_crc = false;
|
||
|
|
||
|
if (!is_null($crc)) {
|
||
|
$_crc = $crc;
|
||
|
}
|
||
|
|
||
|
return $_crc;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function _init() {
|
||
|
session_module_name('user');
|
||
|
session_set_save_handler(
|
||
|
array('ADODB_Session', 'open'),
|
||
|
array('ADODB_Session', 'close'),
|
||
|
array('ADODB_Session', 'read'),
|
||
|
array('ADODB_Session', 'write'),
|
||
|
array('ADODB_Session', 'destroy'),
|
||
|
array('ADODB_Session', 'gc')
|
||
|
);
|
||
|
}
|
||
|
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function _sessionKey() {
|
||
|
// use this function to create the encryption key for crypted sessions
|
||
|
// crypt the used key, ADODB_Session::encryptionKey() as key and session_id() as salt
|
||
|
return crypt(ADODB_Session::encryptionKey(), session_id());
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function _dumprs($rs) {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
$debug = ADODB_Session::debug();
|
||
|
|
||
|
if (!$conn) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (!$debug) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (!$rs) {
|
||
|
echo "<br />\$rs is null or false<br />\n";
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
//echo "<br />\nAffected_Rows=",$conn->Affected_Rows(),"<br />\n";
|
||
|
|
||
|
if (!is_object($rs)) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
require_once ADODB_SESSION.'/../tohtml.inc.php';
|
||
|
rs2html($rs);
|
||
|
}
|
||
|
|
||
|
/////////////////////
|
||
|
// public methods
|
||
|
/////////////////////
|
||
|
|
||
|
/*!
|
||
|
Create the connection to the database.
|
||
|
|
||
|
If $conn already exists, reuse that connection
|
||
|
*/
|
||
|
function open($save_path, $session_name, $persist = null) {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
|
||
|
if ($conn) {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
$database = ADODB_Session::database();
|
||
|
$debug = ADODB_Session::debug();
|
||
|
$driver = ADODB_Session::driver();
|
||
|
$host = ADODB_Session::host();
|
||
|
$password = ADODB_Session::password();
|
||
|
$user = ADODB_Session::user();
|
||
|
|
||
|
if (!is_null($persist)) {
|
||
|
$persist = (bool) $persist;
|
||
|
ADODB_Session::persist($persist);
|
||
|
} else {
|
||
|
$persist = ADODB_Session::persist();
|
||
|
}
|
||
|
|
||
|
# these can all be defaulted to in php.ini
|
||
|
# assert('$database');
|
||
|
# assert('$driver');
|
||
|
# assert('$host');
|
||
|
|
||
|
// cannot use =& below - do not know why...
|
||
|
$conn = ADONewConnection($driver);
|
||
|
|
||
|
if ($debug) {
|
||
|
$conn->debug = true;
|
||
|
// ADOConnection::outp( " driver=$driver user=$user pwd=$password db=$database ");
|
||
|
}
|
||
|
|
||
|
if ($persist) {
|
||
|
$ok = $conn->PConnect($host, $user, $password, $database);
|
||
|
} else {
|
||
|
$ok = $conn->Connect($host, $user, $password, $database);
|
||
|
}
|
||
|
|
||
|
if ($ok) $GLOBALS['ADODB_SESS_CONN'] =& $conn;
|
||
|
else
|
||
|
ADOConnection::outp('<p>Session: connection failed</p>', false);
|
||
|
|
||
|
|
||
|
return $ok;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
Close the connection
|
||
|
*/
|
||
|
function close() {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
|
||
|
if ($conn) {
|
||
|
$conn->Close();
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
Slurp in the session variables and return the serialized string
|
||
|
*/
|
||
|
function read($key) {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
$data = ADODB_Session::dataFieldName();
|
||
|
$filter = ADODB_Session::filter();
|
||
|
$table = ADODB_Session::table();
|
||
|
|
||
|
if (!$conn) {
|
||
|
return '';
|
||
|
}
|
||
|
|
||
|
assert('$table');
|
||
|
|
||
|
$qkey = $conn->quote($key);
|
||
|
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
||
|
|
||
|
$sql = "SELECT $data FROM $table WHERE $binary sesskey = $qkey AND expiry >= " . time();
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
//ADODB_Session::_dumprs($rs);
|
||
|
if ($rs) {
|
||
|
if ($rs->EOF) {
|
||
|
$v = '';
|
||
|
} else {
|
||
|
$v = reset($rs->fields);
|
||
|
$filter = array_reverse($filter);
|
||
|
foreach ($filter as $f) {
|
||
|
if (is_object($f)) {
|
||
|
$v = $f->read($v, ADODB_Session::_sessionKey());
|
||
|
}
|
||
|
}
|
||
|
$v = rawurldecode($v);
|
||
|
}
|
||
|
|
||
|
$rs->Close();
|
||
|
|
||
|
ADODB_Session::_crc(strlen($v) . crc32($v));
|
||
|
return $v;
|
||
|
}
|
||
|
|
||
|
return '';
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
Write the serialized data to a database.
|
||
|
|
||
|
If the data has not been modified since the last read(), we do not write.
|
||
|
*/
|
||
|
function write($key, $val) {
|
||
|
$clob = ADODB_Session::clob();
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
$crc = ADODB_Session::_crc();
|
||
|
$data = ADODB_Session::dataFieldName();
|
||
|
$debug = ADODB_Session::debug();
|
||
|
$driver = ADODB_Session::driver();
|
||
|
$expire_notify = ADODB_Session::expireNotify();
|
||
|
$filter = ADODB_Session::filter();
|
||
|
$lifetime = ADODB_Session::lifetime();
|
||
|
$table = ADODB_Session::table();
|
||
|
|
||
|
if (!$conn) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
assert('$table');
|
||
|
|
||
|
$expiry = time() + $lifetime;
|
||
|
|
||
|
$qkey = $conn->quote($key);
|
||
|
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
||
|
|
||
|
// crc32 optimization since adodb 2.1
|
||
|
// now we only update expiry date, thx to sebastian thom in adodb 2.32
|
||
|
if ($crc !== false && $crc == (strlen($val) . crc32($val))) {
|
||
|
if ($debug) {
|
||
|
echo '<p>Session: Only updating date - crc32 not changed</p>';
|
||
|
}
|
||
|
$sql = "UPDATE $table SET expiry = $expiry WHERE $binary sesskey = $qkey AND expiry >= " . time();
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
if ($rs) {
|
||
|
$rs->Close();
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
$val = rawurlencode($val);
|
||
|
foreach ($filter as $f) {
|
||
|
if (is_object($f)) {
|
||
|
$val = $f->write($val, ADODB_Session::_sessionKey());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
$arr = array('sesskey' => $key, 'expiry' => $expiry, $data => $val, 'expireref' => '');
|
||
|
if ($expire_notify) {
|
||
|
$var = reset($expire_notify);
|
||
|
global $$var;
|
||
|
if (isset($$var)) {
|
||
|
$arr['expireref'] = $$var;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!$clob) { // no lobs, simply use replace()
|
||
|
$arr[$data] = $conn->qstr($val);
|
||
|
$rs = $conn->Replace($table, $arr, 'sesskey', $autoQuote = true);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
} else {
|
||
|
// what value shall we insert/update for lob row?
|
||
|
switch ($driver) {
|
||
|
// empty_clob or empty_lob for oracle dbs
|
||
|
case 'oracle':
|
||
|
case 'oci8':
|
||
|
case 'oci8po':
|
||
|
case 'oci805':
|
||
|
$lob_value = sprintf('empty_%s()', strtolower($clob));
|
||
|
break;
|
||
|
|
||
|
// null for all other
|
||
|
default:
|
||
|
$lob_value = 'null';
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
// do we insert or update? => as for sesskey
|
||
|
$rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = $qkey");
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
if ($rs && reset($rs->fields) > 0) {
|
||
|
$sql = "UPDATE $table SET expiry = $expiry, $data = $lob_value WHERE sesskey = $qkey";
|
||
|
} else {
|
||
|
$sql = "INSERT INTO $table (expiry, $data, sesskey) VALUES ($expiry, $lob_value, $qkey)";
|
||
|
}
|
||
|
if ($rs) {
|
||
|
$rs->Close();
|
||
|
}
|
||
|
|
||
|
$err = '';
|
||
|
$rs1 =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs1);
|
||
|
if (!$rs1) {
|
||
|
$err = $conn->ErrorMsg()."\n";
|
||
|
}
|
||
|
$rs2 =& $conn->UpdateBlob($table, $data, $val, " sesskey=$qkey", strtoupper($clob));
|
||
|
ADODB_Session::_dumprs($rs2);
|
||
|
if (!$rs2) {
|
||
|
$err .= $conn->ErrorMsg()."\n";
|
||
|
}
|
||
|
$rs = ($rs && $rs2) ? true : false;
|
||
|
if ($rs1) {
|
||
|
$rs1->Close();
|
||
|
}
|
||
|
if (is_object($rs2)) {
|
||
|
$rs2->Close();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!$rs) {
|
||
|
ADOConnection::outp('<p>Session Replace: ' . $conn->ErrorMsg() . '</p>', false);
|
||
|
return false;
|
||
|
} else {
|
||
|
// bug in access driver (could be odbc?) means that info is not committed
|
||
|
// properly unless select statement executed in Win2000
|
||
|
if ($conn->databaseType == 'access') {
|
||
|
$sql = "SELECT sesskey FROM $table WHERE $binary sesskey = $qkey";
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
if ($rs) {
|
||
|
$rs->Close();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return $rs ? true : false;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function destroy($key) {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
$table = ADODB_Session::table();
|
||
|
$expire_notify = ADODB_Session::expireNotify();
|
||
|
|
||
|
if (!$conn) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
assert('$table');
|
||
|
|
||
|
$qkey = $conn->quote($key);
|
||
|
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
||
|
|
||
|
if ($expire_notify) {
|
||
|
reset($expire_notify);
|
||
|
$fn = next($expire_notify);
|
||
|
$savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
||
|
$sql = "SELECT expireref, sesskey FROM $table WHERE $binary sesskey = $qkey";
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
$conn->SetFetchMode($savem);
|
||
|
if (!$rs) {
|
||
|
return false;
|
||
|
}
|
||
|
if (!$rs->EOF) {
|
||
|
$ref = $rs->fields[0];
|
||
|
$key = $rs->fields[1];
|
||
|
//assert('$ref');
|
||
|
//assert('$key');
|
||
|
$fn($ref, $key);
|
||
|
}
|
||
|
$rs->Close();
|
||
|
}
|
||
|
|
||
|
$sql = "DELETE FROM $table WHERE $binary sesskey = $qkey";
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
if ($rs) {
|
||
|
$rs->Close();
|
||
|
}
|
||
|
|
||
|
return $rs ? true : false;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
*/
|
||
|
function gc($maxlifetime) {
|
||
|
$conn =& ADODB_Session::_conn();
|
||
|
$debug = ADODB_Session::debug();
|
||
|
$expire_notify = ADODB_Session::expireNotify();
|
||
|
$optimize = ADODB_Session::optimize();
|
||
|
$sync_seconds = ADODB_Session::syncSeconds();
|
||
|
$table = ADODB_Session::table();
|
||
|
|
||
|
if (!$conn) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
assert('$table');
|
||
|
|
||
|
$time = time();
|
||
|
|
||
|
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
||
|
|
||
|
if ($expire_notify) {
|
||
|
reset($expire_notify);
|
||
|
$fn = next($expire_notify);
|
||
|
$savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
||
|
$sql = "SELECT expireref, sesskey FROM $table WHERE expiry < $time";
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
$conn->SetFetchMode($savem);
|
||
|
if ($rs) {
|
||
|
$conn->BeginTrans();
|
||
|
$keys = array();
|
||
|
while (!$rs->EOF) {
|
||
|
$ref = $rs->fields[0];
|
||
|
$key = $rs->fields[1];
|
||
|
$fn($ref, $key);
|
||
|
$del = $conn->Execute("DELETE FROM $table WHERE sesskey='$key'");
|
||
|
$rs->MoveNext();
|
||
|
}
|
||
|
$rs->Close();
|
||
|
|
||
|
$conn->CommitTrans();
|
||
|
}
|
||
|
} else {
|
||
|
$sql = "DELETE FROM $table WHERE expiry < $time";
|
||
|
$rs =& $conn->Execute($sql);
|
||
|
ADODB_Session::_dumprs($rs);
|
||
|
if ($rs) {
|
||
|
$rs->Close();
|
||
|
}
|
||
|
if ($debug) {
|
||
|
ADOConnection::outp("<p><b>Garbage Collection</b>: $sql</p>");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// suggested by Cameron, "GaM3R" <gamr@outworld.cx>
|
||
|
if ($optimize) {
|
||
|
$driver = ADODB_Session::driver();
|
||
|
|
||
|
if (preg_match('/mysql/i', $driver)) {
|
||
|
$sql = "OPTIMIZE TABLE $table";
|
||
|
}
|
||
|
if (preg_match('/postgres/i', $driver)) {
|
||
|
$sql = "VACUUM $table";
|
||
|
}
|
||
|
if (!empty($sql)) {
|
||
|
$conn->Execute($sql);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($sync_seconds) {
|
||
|
$sql = 'SELECT ';
|
||
|
if ($conn->dataProvider === 'oci8') {
|
||
|
$sql .= "TO_CHAR({$conn->sysTimeStamp}, 'RRRR-MM-DD HH24:MI:SS')";
|
||
|
} else {
|
||
|
$sql .= $conn->sysTimeStamp;
|
||
|
}
|
||
|
$sql .= " FROM $table";
|
||
|
|
||
|
$rs =& $conn->SelectLimit($sql, 1);
|
||
|
if ($rs && !$rs->EOF) {
|
||
|
$dbts = reset($rs->fields);
|
||
|
$rs->Close();
|
||
|
$dbt = $conn->UnixTimeStamp($dbts);
|
||
|
$t = time();
|
||
|
|
||
|
if (abs($dbt - $t) >= $sync_seconds) {
|
||
|
global $HTTP_SERVER_VARS;
|
||
|
$msg = __FILE__ .
|
||
|
": Server time for webserver {$HTTP_SERVER_VARS['HTTP_HOST']} not in synch with database: " .
|
||
|
" database=$dbt ($dbts), webserver=$t (diff=". (abs($dbt - $t) / 3600) . ' hours)';
|
||
|
error_log($msg);
|
||
|
if ($debug) {
|
||
|
ADOConnection::outp("<p>$msg</p>");
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
ADODB_Session::_init();
|
||
|
|
||
|
|
||
|
// for backwards compatability only
|
||
|
function adodb_sess_open($save_path, $session_name, $persist = true) {
|
||
|
return ADODB_Session::open($save_path, $session_name, $persist);
|
||
|
}
|
||
|
|
||
|
// for backwards compatability only
|
||
|
function adodb_sess_gc($t)
|
||
|
{
|
||
|
return ADODB_Session::gc($t);
|
||
|
}
|
||
|
|
||
|
?>
|