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@ -5,7 +5,7 @@
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| program/include/session.inc |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2005-2007, RoundCube Dev. - Switzerland |
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| Copyright (C) 2005-2008, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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| PURPOSE: |
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@ -20,174 +20,177 @@
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*/
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function sess_open($save_path, $session_name)
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{
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return TRUE;
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}
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function rcube_sess_open($save_path, $session_name)
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{
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return true;
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}
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function sess_close()
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{
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return TRUE;
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}
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function rcube_sess_close()
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{
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return true;
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}
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// read session data
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function sess_read($key)
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{
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global $DB, $SESS_CHANGED, $SESS_CLIENT_IP;
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function rcube_sess_read($key)
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{
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global $SESS_CHANGED, $SESS_CLIENT_IP;
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$DB = rcmail::get_instance()->get_dbh();
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if ($DB->is_error())
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return FALSE;
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if ($DB->is_error()) {
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return false;
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}
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$sql_result = $DB->query("SELECT vars, ip, ".$DB->unixtimestamp('changed')." AS changed
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FROM ".get_table_name('session')."
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WHERE sess_id=?",
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$key);
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$sql_result = $DB->query(
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"SELECT vars, ip, " . $DB->unixtimestamp('changed') . " AS changed
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FROM " . get_table_name('session') . "
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WHERE sess_id=?",
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$key);
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if ($sql_arr = $DB->fetch_assoc($sql_result))
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{
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if ($sql_arr = $DB->fetch_assoc($sql_result)) {
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$SESS_CHANGED = $sql_arr['changed'];
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$SESS_CLIENT_IP = $sql_arr['ip'];
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if (strlen($sql_arr['vars']))
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return $sql_arr['vars'];
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}
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return FALSE;
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}
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return false;
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}
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// save session data
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function sess_write($key, $vars)
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{
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global $DB;
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function rcube_sess_write($key, $vars)
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{
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$DB = rcmail::get_instance()->get_dbh();
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if ($DB->is_error())
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return FALSE;
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$sql_result = $DB->query("SELECT 1
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FROM ".get_table_name('session')."
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WHERE sess_id=?",
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$key);
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if ($DB->num_rows($sql_result))
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{
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session_decode($vars);
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$DB->query("UPDATE ".get_table_name('session')."
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SET vars=?,
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changed=".$DB->now()."
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WHERE sess_id=?",
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$vars,
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$key);
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}
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else
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{
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$DB->query("INSERT INTO ".get_table_name('session')."
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(sess_id, vars, ip, created, changed)
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VALUES (?, ?, ?, ".$DB->now().", ".$DB->now().")",
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$key,
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$vars,
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(string)$_SERVER['REMOTE_ADDR']);
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}
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if ($DB->is_error()) {
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return false;
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}
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return TRUE;
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$sql_result = $DB->query(
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"SELECT 1 FROM " . get_table_name('session') . "
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WHERE sess_id=?",
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$key);
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if ($DB->num_rows($sql_result)) {
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$DB->query(
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"UPDATE " . get_table_name('session') . "
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SET vars=?, changed=" . $DB->now() . "
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WHERE sess_id=?",
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$vars,
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$key);
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}
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else {
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$DB->query(
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"INSERT INTO " . get_table_name('session') . "
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(sess_id, vars, ip, created, changed)
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VALUES (?, ?, ?, ".$DB->now().", ".$DB->now().")",
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$key,
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$vars,
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(string)$_SERVER['REMOTE_ADDR']);
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}
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return true;
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}
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// handler for session_destroy()
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function sess_destroy($key)
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{
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global $DB, $CONFIG;
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function rcube_sess_destroy($key)
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{
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$rcmail = rcmail::get_instance();
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$DB = $rcmail->get_dbh();
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if ($DB->is_error())
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return FALSE;
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if ($CONFIG['enable_caching'])
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{
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// delete session entries in cache table
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$DB->query("DELETE FROM ".get_table_name('cache')."
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WHERE session_id=?",
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$key);
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}
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$DB->query("DELETE FROM ".get_table_name('session')."
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WHERE sess_id=?",
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$key);
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if ($DB->is_error()) {
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return false;
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}
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return TRUE;
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// delete session entries in cache table
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if ($rcmail->config->get('enable_caching')) {
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$DB->query("DELETE FROM " . get_table_name('cache') . " WHERE session_id=?", $key);
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}
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$DB->query("DELETE FROM " . get_table_name('session') . " WHERE sess_id=?", $key);
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return true;
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}
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// garbage collecting function
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function sess_gc($maxlifetime)
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{
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global $DB, $CONFIG;
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if ($DB->is_error())
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return FALSE;
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// get all expired sessions
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$sql_result = $DB->query("SELECT sess_id
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FROM ".get_table_name('session')."
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WHERE ".$DB->unixtimestamp($DB->now())."-".$DB->unixtimestamp('changed')." > ?",
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$maxlifetime);
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function rcube_sess_gc($maxlifetime)
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{
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$rcmail = rcmail::get_instance();
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$DB = $rcmail->get_dbh();
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if ($DB->is_error()) {
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return false;
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}
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// get all expired sessions
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$sql_result = $DB->query(
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"SELECT sess_id
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FROM " . get_table_name('session') . "
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WHERE " . $DB->unixtimestamp($DB->now())."-".$DB->unixtimestamp('changed') . " > ?",
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$maxlifetime);
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$a_exp_sessions = array();
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while ($sql_arr = $DB->fetch_assoc($sql_result))
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$a_exp_sessions[] = $sql_arr['sess_id'];
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if (sizeof($a_exp_sessions))
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{
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if ($CONFIG['enable_caching'])
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{
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// delete session cache records
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$DB->query("DELETE FROM ".get_table_name('cache')."
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WHERE session_id IN ('".join("','", $a_exp_sessions)."')");
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}
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// delete session records
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$DB->query("DELETE FROM ".get_table_name('session')."
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WHERE sess_id IN ('".join("','", $a_exp_sessions)."')");
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$exp_sessions = array();
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while ($sql_arr = $DB->fetch_assoc($sql_result)) {
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$exp_sessions[] = $sql_arr['sess_id'];
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}
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$caching = $rcmail->config->get('enable_caching');
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if (sizeof($exp_sessions)) {
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// delete session cache records
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if ($caching) {
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$DB->query("DELETE FROM " . get_table_name('cache') . "
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WHERE session_id IN ('".join("','", $exp_sessions)."')");
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}
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// delete session records
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$DB->query("DELETE FROM " . get_table_name('session') . "
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WHERE sess_id IN ('".join("','", $exp_sessions)."')");
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}
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// also run message cache GC
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if ($CONFIG['enable_caching'])
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if ($caching) {
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rcmail_message_cache_gc();
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}
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rcmail_temp_gc();
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return TRUE;
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}
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return true;
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}
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function sess_regenerate_id()
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{
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$randlen = 32;
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function rcube_sess_regenerate_id()
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{
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$randval = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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$random = "";
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for ($i=1; $i <= $randlen; $i++)
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for ($random = "", $i=1; $i <= 32; $i++) {
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$random .= substr($randval, rand(0,(strlen($randval) - 1)), 1);
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}
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// use md5 value for id or remove capitals from string $randval
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$random = md5($random);
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// delete old session record
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sess_destroy(session_id());
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rcube_sess_destroy(session_id());
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session_id($random);
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$cookie = session_get_cookie_params();
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$_lifetime = $cookie['lifetime'] ? time() + $cookie['lifetime'] : 0;
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$cookie = session_get_cookie_params();
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$lifetime = $cookie['lifetime'] ? time() + $cookie['lifetime'] : 0;
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setcookie(session_name(), '', time() - 3600);
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setcookie(session_name(), $random, $_lifetime, $cookie['path'],
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$cookie['domain']);
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setcookie(session_name(), $random, $lifetime, $cookie['path'], $cookie['domain']);
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return true;
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}
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}
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// set custom functions for PHP session management
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session_set_save_handler('sess_open', 'sess_close', 'sess_read', 'sess_write', 'sess_destroy', 'sess_gc');
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session_set_save_handler('rcube_sess_open', 'rcube_sess_close', 'rcube_sess_read', 'rcube_sess_write', 'rcube_sess_destroy', 'rcube_sess_gc');
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?>
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