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<?php
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/*
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V4.93 10 Oct 2006 (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights reserved.
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Contributed by Ross Smith (adodb@netebb.com).
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4 for best viewing.
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*/
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/*
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CREATE Table SCripts
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Oracle
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======
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CREATE TABLE SESSIONS2
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(
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SESSKEY VARCHAR2(48 BYTE) NOT NULL,
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EXPIRY DATE NOT NULL,
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EXPIREREF VARCHAR2(200 BYTE),
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CREATED DATE NOT NULL,
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MODIFIED DATE NOT NULL,
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SESSDATA CLOB,
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PRIMARY KEY(SESSKEY)
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);
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CREATE INDEX SESS2_EXPIRY ON SESSIONS2(EXPIRY);
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CREATE UNIQUE INDEX SESS2_PK ON SESSIONS2(SESSKEY);
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CREATE INDEX SESS2_EXP_REF ON SESSIONS2(EXPIREREF);
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MySQL
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=====
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CREATE TABLE sessions2(
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sesskey VARCHAR( 64 ) NOT NULL DEFAULT '',
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expiry TIMESTAMP NOT NULL ,
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expireref VARCHAR( 250 ) DEFAULT '',
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created TIMESTAMP NOT NULL ,
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modified TIMESTAMP NOT NULL ,
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sessdata LONGTEXT DEFAULT '',
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PRIMARY KEY ( sesskey ) ,
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INDEX sess2_expiry( expiry ),
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INDEX sess2_expireref( expireref )
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)
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*/
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if (!defined('_ADODB_LAYER')) {
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require realpath(dirname(__FILE__) . '/../adodb.inc.php');
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}
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if (defined('ADODB_SESSION')) return 1;
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define('ADODB_SESSION', dirname(__FILE__));
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define('ADODB_SESSION2', ADODB_SESSION);
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/*
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Unserialize session data manually. See http://phplens.com/lens/lensforum/msgs.php?id=9821
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From Kerr Schere, to unserialize session data stored via ADOdb.
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1. Pull the session data from the db and loop through it.
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2. Inside the loop, you will need to urldecode the data column.
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3. After urldecode, run the serialized string through this function:
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*/
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function adodb_unserialize( $serialized_string )
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{
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$variables = array( );
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$a = preg_split( "/(\w+)\|/", $serialized_string, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE );
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for( $i = 0; $i < count( $a ); $i = $i+2 ) {
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$variables[$a[$i]] = unserialize( $a[$i+1] );
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}
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return( $variables );
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}
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/*
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Thanks Joe Li. See http://phplens.com/lens/lensforum/msgs.php?id=11487&x=1
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Since adodb 4.61.
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*/
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function adodb_session_regenerate_id()
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{
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$conn =& ADODB_Session::_conn();
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if (!$conn) return false;
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$old_id = session_id();
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if (function_exists('session_regenerate_id')) {
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session_regenerate_id();
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} else {
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session_id(md5(uniqid(rand(), true)));
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$ck = session_get_cookie_params();
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setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']);
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//@session_start();
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}
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$new_id = session_id();
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$ok =& $conn->Execute('UPDATE '. ADODB_Session::table(). ' SET sesskey='. $conn->qstr($new_id). ' WHERE sesskey='.$conn->qstr($old_id));
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/* it is possible that the update statement fails due to a collision */
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if (!$ok) {
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session_id($old_id);
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if (empty($ck)) $ck = session_get_cookie_params();
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setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']);
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return false;
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}
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return true;
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}
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/*
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Generate database table for session data
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@see http://phplens.com/lens/lensforum/msgs.php?id=12280
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@return 0 if failure, 1 if errors, 2 if successful.
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@author Markus Staab http://www.public-4u.de
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*/
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function adodb_session_create_table($schemaFile=null,$conn = null)
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{
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// set default values
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if ($schemaFile===null) $schemaFile = ADODB_SESSION . '/session_schema2.xml';
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if ($conn===null) $conn =& ADODB_Session::_conn();
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if (!$conn) return 0;
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$schema = new adoSchema($conn);
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$schema->ParseSchema($schemaFile);
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return $schema->ExecuteSchema();
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}
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/*!
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\static
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*/
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class ADODB_Session {
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/////////////////////
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// getter/setter methods
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/////////////////////
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/*
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function Lock($lock=null)
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{
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static $_lock = false;
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if (!is_null($lock)) $_lock = $lock;
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return $lock;
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}
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*/
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/*!
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*/
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function driver($driver = null)
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{
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static $_driver = 'mysql';
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static $set = false;
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if (!is_null($driver)) {
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$_driver = trim($driver);
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_DRIVER'])) {
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return $GLOBALS['ADODB_SESSION_DRIVER'];
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}
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}
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return $_driver;
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}
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/*!
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*/
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function host($host = null) {
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static $_host = 'localhost';
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static $set = false;
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if (!is_null($host)) {
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$_host = trim($host);
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_CONNECT'])) {
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return $GLOBALS['ADODB_SESSION_CONNECT'];
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}
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}
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return $_host;
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}
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/*!
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*/
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function user($user = null)
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{
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static $_user = 'root';
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static $set = false;
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if (!is_null($user)) {
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$_user = trim($user);
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_USER'])) {
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return $GLOBALS['ADODB_SESSION_USER'];
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}
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}
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return $_user;
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}
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/*!
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*/
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function password($password = null)
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{
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static $_password = '';
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static $set = false;
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if (!is_null($password)) {
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$_password = $password;
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_PWD'])) {
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return $GLOBALS['ADODB_SESSION_PWD'];
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}
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}
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return $_password;
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}
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/*!
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*/
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function database($database = null)
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{
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static $_database = '';
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static $set = false;
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if (!is_null($database)) {
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$_database = trim($database);
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_DB'])) {
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return $GLOBALS['ADODB_SESSION_DB'];
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}
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}
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return $_database;
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}
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/*!
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*/
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function persist($persist = null)
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{
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static $_persist = true;
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if (!is_null($persist)) {
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$_persist = trim($persist);
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}
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return $_persist;
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}
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/*!
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*/
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function lifetime($lifetime = null)
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{
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static $_lifetime;
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static $set = false;
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if (!is_null($lifetime)) {
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$_lifetime = (int) $lifetime;
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESS_LIFE'])) {
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return $GLOBALS['ADODB_SESS_LIFE'];
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}
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}
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if (!$_lifetime) {
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$_lifetime = ini_get('session.gc_maxlifetime');
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if ($_lifetime <= 1) {
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// bug in PHP 4.0.3 pl 1 -- how about other versions?
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//print "<h3>Session Error: PHP.INI setting <i>session.gc_maxlifetime</i>not set: $lifetime</h3>";
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$_lifetime = 1440;
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}
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}
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return $_lifetime;
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}
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/*!
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*/
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function debug($debug = null)
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{
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static $_debug = false;
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static $set = false;
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if (!is_null($debug)) {
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$_debug = (bool) $debug;
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$conn = ADODB_Session::_conn();
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if ($conn) {
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$conn->debug = $_debug;
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}
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESS_DEBUG'])) {
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return $GLOBALS['ADODB_SESS_DEBUG'];
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}
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}
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return $_debug;
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}
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/*!
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*/
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function expireNotify($expire_notify = null)
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{
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static $_expire_notify;
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static $set = false;
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if (!is_null($expire_notify)) {
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$_expire_notify = $expire_notify;
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'])) {
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return $GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'];
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}
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}
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return $_expire_notify;
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}
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/*!
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*/
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function table($table = null)
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{
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static $_table = 'sessions2';
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static $set = false;
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if (!is_null($table)) {
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$_table = trim($table);
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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if (isset($GLOBALS['ADODB_SESSION_TBL'])) {
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return $GLOBALS['ADODB_SESSION_TBL'];
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}
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}
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return $_table;
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}
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/*!
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| 360 |
*/
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function optimize($optimize = null)
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{
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| 363 |
static $_optimize = false;
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static $set = false;
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if (!is_null($optimize)) {
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$_optimize = (bool) $optimize;
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$set = true;
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} elseif (!$set) {
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// backwards compatibility
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| 371 |
if (defined('ADODB_SESSION_OPTIMIZE')) {
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return true;
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}
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}
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return $_optimize;
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}
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|
| 379 |
/*!
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| 380 |
*/
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function syncSeconds($sync_seconds = null) {
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//echo ("<p>WARNING: ADODB_SESSION::syncSeconds is longer used, please remove this function for your code</p>");
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| 383 |
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return 0;
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}
|
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| 387 |
/*!
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| 388 |
*/
|
| 389 |
function clob($clob = null) {
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| 390 |
static $_clob = false;
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static $set = false;
|
| 392 |
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| 393 |
if (!is_null($clob)) {
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| 394 |
$_clob = strtolower(trim($clob));
|
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$set = true;
|
| 396 |
} elseif (!$set) {
|
| 397 |
// backwards compatibility
|
| 398 |
if (isset($GLOBALS['ADODB_SESSION_USE_LOBS'])) {
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| 399 |
return $GLOBALS['ADODB_SESSION_USE_LOBS'];
|
| 400 |
}
|
| 401 |
}
|
| 402 |
|
| 403 |
return $_clob;
|
| 404 |
}
|
| 405 |
|
| 406 |
/*!
|
| 407 |
*/
|
| 408 |
function dataFieldName($data_field_name = null) {
|
| 409 |
//echo ("<p>WARNING: ADODB_SESSION::dataFieldName() is longer used, please remove this function for your code</p>");
|
| 410 |
return '';
|
| 411 |
}
|
| 412 |
|
| 413 |
/*!
|
| 414 |
*/
|
| 415 |
function filter($filter = null) {
|
| 416 |
static $_filter = array();
|
| 417 |
|
| 418 |
if (!is_null($filter)) {
|
| 419 |
if (!is_array($filter)) {
|
| 420 |
$filter = array($filter);
|
| 421 |
}
|
| 422 |
$_filter = $filter;
|
| 423 |
}
|
| 424 |
|
| 425 |
return $_filter;
|
| 426 |
}
|
| 427 |
|
| 428 |
/*!
|
| 429 |
*/
|
| 430 |
function encryptionKey($encryption_key = null) {
|
| 431 |
static $_encryption_key = 'CRYPTED ADODB SESSIONS ROCK!';
|
| 432 |
|
| 433 |
if (!is_null($encryption_key)) {
|
| 434 |
$_encryption_key = $encryption_key;
|
| 435 |
}
|
| 436 |
|
| 437 |
return $_encryption_key;
|
| 438 |
}
|
| 439 |
|
| 440 |
/////////////////////
|
| 441 |
// private methods
|
| 442 |
/////////////////////
|
| 443 |
|
| 444 |
/*!
|
| 445 |
*/
|
| 446 |
function &_conn($conn=null) {
|
| 447 |
return $GLOBALS['ADODB_SESS_CONN'];
|
| 448 |
}
|
| 449 |
|
| 450 |
/*!
|
| 451 |
*/
|
| 452 |
function _crc($crc = null) {
|
| 453 |
static $_crc = false;
|
| 454 |
|
| 455 |
if (!is_null($crc)) {
|
| 456 |
$_crc = $crc;
|
| 457 |
}
|
| 458 |
|
| 459 |
return $_crc;
|
| 460 |
}
|
| 461 |
|
| 462 |
/*!
|
| 463 |
*/
|
| 464 |
function _init() {
|
| 465 |
session_module_name('user');
|
| 466 |
session_set_save_handler(
|
| 467 |
array('ADODB_Session', 'open'),
|
| 468 |
array('ADODB_Session', 'close'),
|
| 469 |
array('ADODB_Session', 'read'),
|
| 470 |
array('ADODB_Session', 'write'),
|
| 471 |
array('ADODB_Session', 'destroy'),
|
| 472 |
array('ADODB_Session', 'gc')
|
| 473 |
);
|
| 474 |
}
|
| 475 |
|
| 476 |
|
| 477 |
/*!
|
| 478 |
*/
|
| 479 |
function _sessionKey() {
|
| 480 |
// use this function to create the encryption key for crypted sessions
|
| 481 |
// crypt the used key, ADODB_Session::encryptionKey() as key and session_id() as salt
|
| 482 |
return crypt(ADODB_Session::encryptionKey(), session_id());
|
| 483 |
}
|
| 484 |
|
| 485 |
/*!
|
| 486 |
*/
|
| 487 |
function _dumprs($rs) {
|
| 488 |
$conn =& ADODB_Session::_conn();
|
| 489 |
$debug = ADODB_Session::debug();
|
| 490 |
|
| 491 |
if (!$conn) {
|
| 492 |
return;
|
| 493 |
}
|
| 494 |
|
| 495 |
if (!$debug) {
|
| 496 |
return;
|
| 497 |
}
|
| 498 |
|
| 499 |
if (!$rs) {
|
| 500 |
echo "<br />\$rs is null or false<br />\n";
|
| 501 |
return;
|
| 502 |
}
|
| 503 |
|
| 504 |
//echo "<br />\nAffected_Rows=",$conn->Affected_Rows(),"<br />\n";
|
| 505 |
|
| 506 |
if (!is_object($rs)) {
|
| 507 |
return;
|
| 508 |
}
|
| 509 |
|
| 510 |
require_once ADODB_SESSION.'/../tohtml.inc.php';
|
| 511 |
rs2html($rs);
|
| 512 |
}
|
| 513 |
|
| 514 |
/////////////////////
|
| 515 |
// public methods
|
| 516 |
/////////////////////
|
| 517 |
|
| 518 |
function config($driver, $host, $user, $password, $database=false,$options=false)
|
| 519 |
{
|
| 520 |
ADODB_Session::driver($driver);
|
| 521 |
ADODB_Session::host($host);
|
| 522 |
ADODB_Session::user($user);
|
| 523 |
ADODB_Session::password($password);
|
| 524 |
ADODB_Session::database($database);
|
| 525 |
|
| 526 |
if ($driver == 'oci8' || $driver == 'oci8po') $options['lob'] = 'CLOB';
|
| 527 |
|
| 528 |
if (isset($options['table'])) ADODB_Session::table($options['table']);
|
| 529 |
if (isset($options['lob'])) ADODB_Session::clob($options['lob']);
|
| 530 |
if (isset($options['debug'])) ADODB_Session::debug($options['debug']);
|
| 531 |
}
|
| 532 |
|
| 533 |
/*!
|
| 534 |
Create the connection to the database.
|
| 535 |
|
| 536 |
If $conn already exists, reuse that connection
|
| 537 |
*/
|
| 538 |
function open($save_path, $session_name, $persist = null)
|
| 539 |
{
|
| 540 |
$conn =& ADODB_Session::_conn();
|
| 541 |
|
| 542 |
if ($conn) {
|
| 543 |
return true;
|
| 544 |
}
|
| 545 |
|
| 546 |
$database = ADODB_Session::database();
|
| 547 |
$debug = ADODB_Session::debug();
|
| 548 |
$driver = ADODB_Session::driver();
|
| 549 |
$host = ADODB_Session::host();
|
| 550 |
$password = ADODB_Session::password();
|
| 551 |
$user = ADODB_Session::user();
|
| 552 |
|
| 553 |
if (!is_null($persist)) {
|
| 554 |
ADODB_Session::persist($persist);
|
| 555 |
} else {
|
| 556 |
$persist = ADODB_Session::persist();
|
| 557 |
}
|
| 558 |
|
| 559 |
# these can all be defaulted to in php.ini
|
| 560 |
# assert('$database');
|
| 561 |
# assert('$driver');
|
| 562 |
# assert('$host');
|
| 563 |
|
| 564 |
$conn =& ADONewConnection($driver);
|
| 565 |
|
| 566 |
if ($debug) {
|
| 567 |
$conn->debug = true;
|
| 568 |
ADOConnection::outp( " driver=$driver user=$user db=$database ");
|
| 569 |
}
|
| 570 |
|
| 571 |
if ($persist) {
|
| 572 |
switch($persist) {
|
| 573 |
default:
|
| 574 |
case 'P': $ok = $conn->PConnect($host, $user, $password, $database); break;
|
| 575 |
case 'C': $ok = $conn->Connect($host, $user, $password, $database); break;
|
| 576 |
case 'N': $ok = $conn->NConnect($host, $user, $password, $database); break;
|
| 577 |
}
|
| 578 |
} else {
|
| 579 |
$ok = $conn->Connect($host, $user, $password, $database);
|
| 580 |
}
|
| 581 |
|
| 582 |
if ($ok) $GLOBALS['ADODB_SESS_CONN'] =& $conn;
|
| 583 |
else
|
| 584 |
ADOConnection::outp('<p>Session: connection failed</p>', false);
|
| 585 |
|
| 586 |
|
| 587 |
return $ok;
|
| 588 |
}
|
| 589 |
|
| 590 |
/*!
|
| 591 |
Close the connection
|
| 592 |
*/
|
| 593 |
function close()
|
| 594 |
{
|
| 595 |
/*
|
| 596 |
$conn =& ADODB_Session::_conn();
|
| 597 |
if ($conn) $conn->Close();
|
| 598 |
*/
|
| 599 |
return true;
|
| 600 |
}
|
| 601 |
|
| 602 |
/*
|
| 603 |
Slurp in the session variables and return the serialized string
|
| 604 |
*/
|
| 605 |
function read($key)
|
| 606 |
{
|
| 607 |
$conn =& ADODB_Session::_conn();
|
| 608 |
$filter = ADODB_Session::filter();
|
| 609 |
$table = ADODB_Session::table();
|
| 610 |
|
| 611 |
if (!$conn) {
|
| 612 |
return '';
|
| 613 |
}
|
| 614 |
|
| 615 |
//assert('$table');
|
| 616 |
|
| 617 |
$qkey = $conn->quote($key);
|
| 618 |
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
| 619 |
|
| 620 |
$sql = "SELECT sessdata FROM $table WHERE sesskey = $binary $qkey AND expiry >= " . $conn->sysTimeStamp;
|
| 621 |
/* Lock code does not work as it needs to hold transaction within whole page, and we don't know if
|
| 622 |
developer has commited elsewhere... :(
|
| 623 |
*/
|
| 624 |
#if (ADODB_Session::Lock())
|
| 625 |
# $rs =& $conn->RowLock($table, "$binary sesskey = $qkey AND expiry >= " . time(), sessdata);
|
| 626 |
#else
|
| 627 |
|
| 628 |
$rs =& $conn->Execute($sql);
|
| 629 |
//ADODB_Session::_dumprs($rs);
|
| 630 |
if ($rs) {
|
| 631 |
if ($rs->EOF) {
|
| 632 |
$v = '';
|
| 633 |
} else {
|
| 634 |
$v = reset($rs->fields);
|
| 635 |
$filter = array_reverse($filter);
|
| 636 |
foreach ($filter as $f) {
|
| 637 |
if (is_object($f)) {
|
| 638 |
$v = $f->read($v, ADODB_Session::_sessionKey());
|
| 639 |
}
|
| 640 |
}
|
| 641 |
$v = rawurldecode($v);
|
| 642 |
}
|
| 643 |
|
| 644 |
$rs->Close();
|
| 645 |
|
| 646 |
ADODB_Session::_crc(strlen($v) . crc32($v));
|
| 647 |
return $v;
|
| 648 |
}
|
| 649 |
|
| 650 |
return '';
|
| 651 |
}
|
| 652 |
|
| 653 |
/*!
|
| 654 |
Write the serialized data to a database.
|
| 655 |
|
| 656 |
If the data has not been modified since the last read(), we do not write.
|
| 657 |
*/
|
| 658 |
function write($key, $val)
|
| 659 |
{
|
| 660 |
global $ADODB_SESSION_READONLY;
|
| 661 |
|
| 662 |
if (!empty($ADODB_SESSION_READONLY)) return;
|
| 663 |
|
| 664 |
$clob = ADODB_Session::clob();
|
| 665 |
$conn =& ADODB_Session::_conn();
|
| 666 |
$crc = ADODB_Session::_crc();
|
| 667 |
$debug = ADODB_Session::debug();
|
| 668 |
$driver = ADODB_Session::driver();
|
| 669 |
$expire_notify = ADODB_Session::expireNotify();
|
| 670 |
$filter = ADODB_Session::filter();
|
| 671 |
$lifetime = ADODB_Session::lifetime();
|
| 672 |
$table = ADODB_Session::table();
|
| 673 |
|
| 674 |
if (!$conn) {
|
| 675 |
return false;
|
| 676 |
}
|
| 677 |
|
| 678 |
$sysTimeStamp = $conn->sysTimeStamp;
|
| 679 |
|
| 680 |
//assert('$table');
|
| 681 |
|
| 682 |
$expiry = $conn->OffsetDate($lifetime/(24*3600),$sysTimeStamp);
|
| 683 |
|
| 684 |
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
| 685 |
|
| 686 |
// crc32 optimization since adodb 2.1
|
| 687 |
// now we only update expiry date, thx to sebastian thom in adodb 2.32
|
| 688 |
if ($crc !== false && $crc == (strlen($val) . crc32($val))) {
|
| 689 |
if ($debug) {
|
| 690 |
echo '<p>Session: Only updating date - crc32 not changed</p>';
|
| 691 |
}
|
| 692 |
|
| 693 |
$expirevar = '';
|
| 694 |
if ($expire_notify) {
|
| 695 |
$var = reset($expire_notify);
|
| 696 |
global $$var;
|
| 697 |
if (isset($$var)) {
|
| 698 |
$expirevar = $$var;
|
| 699 |
}
|
| 700 |
}
|
| 701 |
|
| 702 |
|
| 703 |
$sql = "UPDATE $table SET expiry = $expiry ,expireref=".$conn->Param('0').", modified = $sysTimeStamp WHERE $binary sesskey = ".$conn->Param('1')." AND expiry >= $sysTimeStamp";
|
| 704 |
$rs =& $conn->Execute($sql,array($expirevar,$key));
|
| 705 |
return true;
|
| 706 |
}
|
| 707 |
$val = rawurlencode($val);
|
| 708 |
foreach ($filter as $f) {
|
| 709 |
if (is_object($f)) {
|
| 710 |
$val = $f->write($val, ADODB_Session::_sessionKey());
|
| 711 |
}
|
| 712 |
}
|
| 713 |
|
| 714 |
$expireref = '';
|
| 715 |
if ($expire_notify) {
|
| 716 |
$var = reset($expire_notify);
|
| 717 |
global $$var;
|
| 718 |
if (isset($$var)) {
|
| 719 |
$expireref = $$var;
|
| 720 |
}
|
| 721 |
}
|
| 722 |
|
| 723 |
if (!$clob) { // no lobs, simply use replace()
|
| 724 |
$rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key));
|
| 725 |
if ($rs) $rs->Close();
|
| 726 |
|
| 727 |
if ($rs && reset($rs->fields) > 0) {
|
| 728 |
$sql = "UPDATE $table SET expiry=$expiry, sessdata=".$conn->Param(0).", expireref= ".$conn->Param(1).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('2');
|
| 729 |
|
| 730 |
} else {
|
| 731 |
$sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified)
|
| 732 |
VALUES ($expiry,".$conn->Param('0').", ". $conn->Param('1').", ".$conn->Param('2').", $sysTimeStamp, $sysTimeStamp)";
|
| 733 |
}
|
| 734 |
|
| 735 |
|
| 736 |
$rs =& $conn->Execute($sql,array($val,$expireref,$key));
|
| 737 |
|
| 738 |
} else {
|
| 739 |
// what value shall we insert/update for lob row?
|
| 740 |
switch ($driver) {
|
| 741 |
// empty_clob or empty_lob for oracle dbs
|
| 742 |
case 'oracle':
|
| 743 |
case 'oci8':
|
| 744 |
case 'oci8po':
|
| 745 |
case 'oci805':
|
| 746 |
$lob_value = sprintf('empty_%s()', strtolower($clob));
|
| 747 |
break;
|
| 748 |
|
| 749 |
// null for all other
|
| 750 |
default:
|
| 751 |
$lob_value = 'null';
|
| 752 |
break;
|
| 753 |
}
|
| 754 |
|
| 755 |
$conn->StartTrans();
|
| 756 |
|
| 757 |
$rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key));
|
| 758 |
if ($rs) $rs->Close();
|
| 759 |
|
| 760 |
if ($rs && reset($rs->fields) > 0) {
|
| 761 |
$sql = "UPDATE $table SET expiry=$expiry, sessdata=$lob_value, expireref= ".$conn->Param(0).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('1');
|
| 762 |
|
| 763 |
} else {
|
| 764 |
$sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified)
|
| 765 |
VALUES ($expiry,$lob_value, ". $conn->Param('0').", ".$conn->Param('1').", $sysTimeStamp, $sysTimeStamp)";
|
| 766 |
}
|
| 767 |
|
| 768 |
$rs =& $conn->Execute($sql,array($expireref,$key));
|
| 769 |
|
| 770 |
$qkey = $conn->qstr($key);
|
| 771 |
$rs2 =& $conn->UpdateBlob($table, 'sessdata', $val, " sesskey=$qkey", strtoupper($clob));
|
| 772 |
$rs = $conn->CompleteTrans();
|
| 773 |
|
| 774 |
|
| 775 |
}
|
| 776 |
|
| 777 |
if (!$rs) {
|
| 778 |
ADOConnection::outp('<p>Session Replace: ' . $conn->ErrorMsg() . '</p>', false);
|
| 779 |
return false;
|
| 780 |
} else {
|
| 781 |
// bug in access driver (could be odbc?) means that info is not committed
|
| 782 |
// properly unless select statement executed in Win2000
|
| 783 |
if ($conn->databaseType == 'access') {
|
| 784 |
$sql = "SELECT sesskey FROM $table WHERE $binary sesskey = $qkey";
|
| 785 |
$rs =& $conn->Execute($sql);
|
| 786 |
ADODB_Session::_dumprs($rs);
|
| 787 |
if ($rs) {
|
| 788 |
$rs->Close();
|
| 789 |
}
|
| 790 |
}
|
| 791 |
}/*
|
| 792 |
if (ADODB_Session::Lock()) {
|
| 793 |
$conn->CommitTrans();
|
| 794 |
}*/
|
| 795 |
return $rs ? true : false;
|
| 796 |
}
|
| 797 |
|
| 798 |
/*!
|
| 799 |
*/
|
| 800 |
function destroy($key) {
|
| 801 |
$conn =& ADODB_Session::_conn();
|
| 802 |
$table = ADODB_Session::table();
|
| 803 |
$expire_notify = ADODB_Session::expireNotify();
|
| 804 |
|
| 805 |
if (!$conn) {
|
| 806 |
return false;
|
| 807 |
}
|
| 808 |
|
| 809 |
//assert('$table');
|
| 810 |
|
| 811 |
$qkey = $conn->quote($key);
|
| 812 |
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
| 813 |
|
| 814 |
if ($expire_notify) {
|
| 815 |
reset($expire_notify);
|
| 816 |
$fn = next($expire_notify);
|
| 817 |
$savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
| 818 |
$sql = "SELECT expireref, sesskey FROM $table WHERE $binary sesskey = $qkey";
|
| 819 |
$rs =& $conn->Execute($sql);
|
| 820 |
ADODB_Session::_dumprs($rs);
|
| 821 |
$conn->SetFetchMode($savem);
|
| 822 |
if (!$rs) {
|
| 823 |
return false;
|
| 824 |
}
|
| 825 |
if (!$rs->EOF) {
|
| 826 |
$ref = $rs->fields[0];
|
| 827 |
$key = $rs->fields[1];
|
| 828 |
//assert('$ref');
|
| 829 |
//assert('$key');
|
| 830 |
$fn($ref, $key);
|
| 831 |
}
|
| 832 |
$rs->Close();
|
| 833 |
}
|
| 834 |
|
| 835 |
$sql = "DELETE FROM $table WHERE $binary sesskey = $qkey";
|
| 836 |
$rs =& $conn->Execute($sql);
|
| 837 |
ADODB_Session::_dumprs($rs);
|
| 838 |
if ($rs) {
|
| 839 |
$rs->Close();
|
| 840 |
}
|
| 841 |
|
| 842 |
return $rs ? true : false;
|
| 843 |
}
|
| 844 |
|
| 845 |
/*!
|
| 846 |
*/
|
| 847 |
function gc($maxlifetime)
|
| 848 |
{
|
| 849 |
$conn =& ADODB_Session::_conn();
|
| 850 |
$debug = ADODB_Session::debug();
|
| 851 |
$expire_notify = ADODB_Session::expireNotify();
|
| 852 |
$optimize = ADODB_Session::optimize();
|
| 853 |
$table = ADODB_Session::table();
|
| 854 |
|
| 855 |
if (!$conn) {
|
| 856 |
return false;
|
| 857 |
}
|
| 858 |
|
| 859 |
//assert('$table');
|
| 860 |
|
| 861 |
$time = $conn->sysTimeStamp;
|
| 862 |
$binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
| 863 |
|
| 864 |
if ($expire_notify) {
|
| 865 |
reset($expire_notify);
|
| 866 |
$fn = next($expire_notify);
|
| 867 |
$savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
| 868 |
$sql = "SELECT expireref, sesskey FROM $table WHERE expiry < $time";
|
| 869 |
$rs =& $conn->Execute($sql);
|
| 870 |
ADODB_Session::_dumprs($rs);
|
| 871 |
$conn->SetFetchMode($savem);
|
| 872 |
if ($rs) {
|
| 873 |
$conn->StartTrans();
|
| 874 |
$keys = array();
|
| 875 |
while (!$rs->EOF) {
|
| 876 |
$ref = $rs->fields[0];
|
| 877 |
$key = $rs->fields[1];
|
| 878 |
$fn($ref, $key);
|
| 879 |
$del = $conn->Execute("DELETE FROM $table WHERE sesskey=".$conn->Param('0'),array($key));
|
| 880 |
$rs->MoveNext();
|
| 881 |
}
|
| 882 |
$rs->Close();
|
| 883 |
|
| 884 |
$conn->CompleteTrans();
|
| 885 |
}
|
| 886 |
} else {
|
| 887 |
|
| 888 |
if (0) {
|
| 889 |
$sql = "SELECT sesskey FROM $table WHERE expiry < $time";
|
| 890 |
$arr =& $conn->GetAll($sql);
|
| 891 |
foreach ($arr as $row) {
|
| 892 |
$sql2 = "DELETE FROM $table WHERE sesskey=".$conn->Param('0');
|
| 893 |
$conn->Execute($sql2,array($row[0]));
|
| 894 |
}
|
| 895 |
} else {
|
| 896 |
$sql = "DELETE FROM $table WHERE expiry < $time";
|
| 897 |
$rs =& $conn->Execute($sql);
|
| 898 |
ADODB_Session::_dumprs($rs);
|
| 899 |
if ($rs) $rs->Close();
|
| 900 |
}
|
| 901 |
if ($debug) {
|
| 902 |
ADOConnection::outp("<p><b>Garbage Collection</b>: $sql</p>");
|
| 903 |
}
|
| 904 |
}
|
| 905 |
|
| 906 |
// suggested by Cameron, "GaM3R" <gamr@outworld.cx>
|
| 907 |
if ($optimize) {
|
| 908 |
$driver = ADODB_Session::driver();
|
| 909 |
|
| 910 |
if (preg_match('/mysql/i', $driver)) {
|
| 911 |
$sql = "OPTIMIZE TABLE $table";
|
| 912 |
}
|
| 913 |
if (preg_match('/postgres/i', $driver)) {
|
| 914 |
$sql = "VACUUM $table";
|
| 915 |
}
|
| 916 |
if (!empty($sql)) {
|
| 917 |
$conn->Execute($sql);
|
| 918 |
}
|
| 919 |
}
|
| 920 |
|
| 921 |
|
| 922 |
return true;
|
| 923 |
}
|
| 924 |
}
|
| 925 |
|
| 926 |
ADODB_Session::_init();
|
| 927 |
if (empty($ADODB_SESSION_READONLY))
|
| 928 |
register_shutdown_function('session_write_close');
|
| 929 |
|
| 930 |
// for backwards compatability only
|
| 931 |
function adodb_sess_open($save_path, $session_name, $persist = true) {
|
| 932 |
return ADODB_Session::open($save_path, $session_name, $persist);
|
| 933 |
}
|
| 934 |
|
| 935 |
// for backwards compatability only
|
| 936 |
function adodb_sess_gc($t)
|
| 937 |
{
|
| 938 |
return ADODB_Session::gc($t);
|
| 939 |
}
|
| 940 |
|
| 941 |
?> |
