thomascube
2006-04-04 a403cdacf07656c0bbeb2c6bf00557070ef826ba
program/include/session.inc
@@ -6,7 +6,7 @@
 |                                                                       |
 | This file is part of the RoundCube Webmail client                     |
 | Copyright (C) 2005, RoundCube Dev, - Switzerland                      |
 | All rights reserved.                                                  |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | PURPOSE:                                                              |
 |   Provide database supported session management                       |
@@ -38,15 +38,14 @@
  {
  global $DB, $SESS_CHANGED;
  
  $sql_result = $DB->query(sprintf("SELECT vars, UNIX_TIMESTAMP(changed) AS changed
                                    FROM   %s
                                    WHERE  sess_id='%s'",
                                   get_table_name('session'),
                                   $key));
  $sql_result = $DB->query("SELECT vars, ip, ".$DB->unixtimestamp('changed')." AS changed
                            FROM ".get_table_name('session')."
                            WHERE  sess_id=?",
                            $key);
  if ($sql_arr = $DB->fetch_assoc($sql_result))
    {
    $SESS_CHANGED = $sql_arr['changed'];
    $SESS_CHANGED = mktime(); //$sql_arr['changed'];
    if (strlen($sql_arr['vars']))
      return $sql_arr['vars'];
@@ -60,32 +59,32 @@
function sess_write($key, $vars)
  {
  global $DB;
  $sql_result = $DB->query(sprintf("SELECT 1
                                    FROM   %s
                                    WHERE  sess_id='%s'",
                                   get_table_name('session'),
                                   $key));
  $sql_result = $DB->query("SELECT 1
                            FROM ".get_table_name('session')."
                            WHERE  sess_id=?",
                            $key);
  if ($DB->num_rows($sql_result))
    {
    session_decode($vars);
    $DB->query(sprintf("UPDATE %s
                        SET    vars='%s',
                               changed=NOW()
                        WHERE  sess_id='%s'",
                       get_table_name('session'),
                       $vars,
                       $key));
    $DB->query("UPDATE ".get_table_name('session')."
                SET    vars=?,
                       changed=now()
                WHERE  sess_id=?",
                $vars,
                $key);
    }
  else
    {
    $DB->query(sprintf("INSERT INTO %s
                        (sess_id, vars, created, changed)
                        VALUES ('%s', '%s', NOW(), NOW())",
                       get_table_name('session'),
                       $key,
                       $vars));
    $DB->query("INSERT INTO ".get_table_name('session')."
                (sess_id, vars, ip, created, changed)
                VALUES (?, ?, ?, now(), now())",
                $key,
                $vars,
                $_SERVER['REMOTE_ADDR']);
    }
  return TRUE;
@@ -97,17 +96,16 @@
  {
  global $DB;
  
  $DB->query(sprintf("DELETE FROM %s
                      WHERE sess_id='%s'",
                     get_table_name('session'),
                     $key));
  // delete session entries in cache table
  $DB->query("DELETE FROM ".get_table_name('cache')."
              WHERE  session_id=?",
              $key);
  $DB->query("DELETE FROM ".get_table_name('session')."
              WHERE sess_id=?",
              $key);
  // also delete session entries in cache table
  $DB->query(sprintf("DELETE FROM %s
                      WHERE  session_id='%s'",
                     get_table_name('cache'),
                     $key));
  rcmail_clear_session_temp($key);
  return TRUE;
  }
@@ -118,11 +116,10 @@
  global $DB;
  // get all expired sessions  
  $sql_result = $DB->query(sprintf("SELECT sess_id
                                    FROM   %s
                                    WHERE  UNIX_TIMESTAMP(NOW())-UNIX_TIMESTAMP(created) > %d",
                                   get_table_name('session'),
                                   $maxlifetime));
  $sql_result = $DB->query("SELECT sess_id
                            FROM ".get_table_name('session')."
                            WHERE ".$DB->unixtimestamp('now()')."-".$DB->unixtimestamp('changed')." > ?",
                            $maxlifetime);
                                   
  $a_exp_sessions = array();
  while ($sql_arr = $DB->fetch_assoc($sql_result))
@@ -131,19 +128,22 @@
  
  if (sizeof($a_exp_sessions))
    {
    // delete session cache records
    $DB->query("DELETE FROM ".get_table_name('cache')."
                WHERE  session_id IN ('".join("','", $a_exp_sessions)."')");
    // delete session records
    $DB->query(sprintf("DELETE FROM %s
                        WHERE sess_id IN ('%s')",
                       get_table_name('session'),
                       join("','", $a_exp_sessions)));
    // also delete session cache records
    $DB->query(sprintf("DELETE FROM %s
                        WHERE  session_id IN ('%s')",
                       get_table_name('cache'),
                       join("','", $a_exp_sessions)));
    $DB->query("DELETE FROM ".get_table_name('session')."
                WHERE sess_id IN ('".join("','", $a_exp_sessions)."')");
    }
  // remove session specific temp dirs
  foreach ($a_exp_sessions as $key)
    rcmail_clear_session_temp($key);
  // also run message cache GC
  rcmail_message_cache_gc();
  return TRUE;
  }