/**
* Set a volatile flag
*
* @param string $type the "type" namespace for the key
* @param string $name the key to set
* @param string $value the value to set (without magic quotes) - null will remove the flag
* @param int $expiry (optional) epoch indicating expiry - defaults to now()+ 24hs
* @return bool Always returns true
*/
function set_cache_flag($type, $name, $value, $expiry = null)
{
global $DB;
$timemodified = time();
if ($expiry === null || $expiry < $timemodified) {
$expiry = $timemodified + 24 * 60 * 60;
} else {
$expiry = (int) $expiry;
}
if ($value === null) {
unset_cache_flag($type, $name);
return true;
}
if ($f = $DB->get_record('cache_flags', array('name' => $name, 'flagtype' => $type), '*', IGNORE_MULTIPLE)) {
// This is a potential problem in DEBUG_DEVELOPER.
if ($f->value == $value and $f->expiry == $expiry and $f->timemodified == $timemodified) {
return true;
// No need to update.
}
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
$DB->update_record('cache_flags', $f);
} else {
$f = new stdClass();
$f->flagtype = $type;
$f->name = $name;
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
$DB->insert_record('cache_flags', $f);
}
return true;
}
/**
* Find the session set by ntlmsso_magic(), validate it and
* call authenticate_user_login() to authenticate the user through
* the auth machinery.
*
* It is complemented by a similar check in user_login().
*
* If it succeeds, it never returns.
*
*/
function ntlmsso_finish()
{
global $CFG, $USER, $SESSION;
$key = sesskey();
$cf = get_cache_flags($this->pluginconfig . '/ntlmsess');
if (!isset($cf[$key]) || $cf[$key] === '') {
return false;
}
$username = $cf[$key];
// Here we want to trigger the whole authentication machinery
// to make sure no step is bypassed...
$user = authenticate_user_login($username, $key);
if ($user) {
complete_user_login($user);
// Cleanup the key to prevent reuse...
// and to allow re-logins with normal credentials
unset_cache_flag($this->pluginconfig . '/ntlmsess', $key);
// Redirection
if (user_not_fully_set_up($USER)) {
$urltogo = $CFG->wwwroot . '/user/edit.php';
// We don't delete $SESSION->wantsurl yet, so we get there later
} else {
if (isset($SESSION->wantsurl) and strpos($SESSION->wantsurl, $CFG->wwwroot) === 0) {
$urltogo = $SESSION->wantsurl;
// Because it's an address in this site
unset($SESSION->wantsurl);
} else {
// No wantsurl stored or external - go to homepage
$urltogo = $CFG->wwwroot . '/';
unset($SESSION->wantsurl);
}
}
// We do not want to redirect if we are in a PHPUnit test.
if (!PHPUNIT_TEST) {
redirect($urltogo);
}
}
// Should never reach here.
return false;
}
/**
* Set a volatile flag
*
* @param string $type the "type" namespace for the key
* @param string $name the key to set
* @param string $value the value to set (without magic quotes) - NULL will remove the flag
* @param int $expiry (optional) epoch indicating expiry - defaults to now()+ 24hs
* @return bool
*/
function set_cache_flag($type, $name, $value, $expiry = NULL)
{
$timemodified = time();
if ($expiry === NULL || $expiry < $timemodified) {
$expiry = $timemodified + 24 * 60 * 60;
} else {
$expiry = (int) $expiry;
}
if ($value === NULL) {
return unset_cache_flag($type, $name);
}
$type = addslashes($type);
$name = addslashes($name);
if ($f = get_record('cache_flags', 'name', $name, 'flagtype', $type)) {
// this is a potentail problem in DEBUG_DEVELOPER
if ($f->value == $value and $f->expiry == $expiry and $f->timemodified == $timemodified) {
return true;
//no need to update; helps rcache too
}
$f->value = addslashes($value);
$f->expiry = $expiry;
$f->timemodified = $timemodified;
return update_record('cache_flags', $f);
} else {
$f = new object();
$f->flagtype = $type;
$f->name = $name;
$f->value = addslashes($value);
$f->expiry = $expiry;
$f->timemodified = $timemodified;
return (bool) insert_record('cache_flags', $f);
}
}
/**
* Set a volatile flag
*
* @param string $type the "type" namespace for the key
* @param string $name the key to set
* @param string $value the value to set (without magic quotes) - NULL will remove the flag
* @param int $expiry (optional) epoch indicating expiry - defaults to now()+ 24hs
* @return bool
*/
function set_cache_flag($type, $name, $value, $expiry = NULL)
{
$timemodified = time();
if ($expiry === NULL || $expiry < $timemodified) {
$expiry = $timemodified + 24 * 60 * 60;
} else {
$expiry = (int) $expiry;
}
if ($value === NULL) {
return unset_cache_flag($type, $name);
}
$type = addslashes($type);
$name = addslashes($name);
$value = addslashes($value);
if ($f = get_record('cache_flags', 'name', $name, 'flagtype', $type)) {
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
return update_record('cache_flags', $f);
} else {
$f = new StdClass();
$f->flagtype = $type;
$f->name = $name;
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
return insert_record('cache_flags', $f);
}
}
/**
* Find the session set by ntlmsso_magic(), validate it and
* call authenticate_user_login() to authenticate the user through
* the auth machinery.
*
* It is complemented by a similar check in user_login().
*
* If it succeeds, it never returns.
*
*/
function ntlmsso_finish()
{
global $CFG, $USER, $SESSION;
$key = sesskey();
$cf = get_cache_flags('auth/ldap/ntlmsess');
if (!isset($cf[$key]) || $cf[$key] === '') {
return false;
}
$username = $cf[$key];
// Here we want to trigger the whole authentication machinery
// to make sure no step is bypassed...
$user = authenticate_user_login($username, $key);
if ($user) {
add_to_log(SITEID, 'user', 'login', "view.php?id={$USER->id}&course=" . SITEID, $user->id, 0, $user->id);
$USER = complete_user_login($user);
// Cleanup the key to prevent reuse...
// and to allow re-logins with normal credentials
unset_cache_flag('auth/ldap/ntlmsess', $key);
/// Redirection
if (user_not_fully_set_up($USER)) {
$urltogo = $CFG->wwwroot . '/user/edit.php';
// We don't delete $SESSION->wantsurl yet, so we get there later
} else {
if (isset($SESSION->wantsurl) and strpos($SESSION->wantsurl, $CFG->wwwroot) === 0) {
$urltogo = $SESSION->wantsurl;
/// Because it's an address in this site
unset($SESSION->wantsurl);
} else {
// no wantsurl stored or external - go to homepage
$urltogo = $CFG->wwwroot . '/';
unset($SESSION->wantsurl);
}
}
redirect($urltogo);
}
// Should never reach here.
return false;
}
/**
* Set a volatile flag
*
* @param string $type the "type" namespace for the key
* @param string $name the key to set
* @param string $value the value to set (without magic quotes) - NULL will remove the flag
* @param int $expiry (optional) epoch indicating expiry - defaults to now()+ 24hs
* @return bool
*/
function set_cache_flag($type, $name, $value, $expiry = NULL)
{
global $DB;
$timemodified = time();
if ($expiry === NULL || $expiry < $timemodified) {
$expiry = $timemodified + 24 * 60 * 60;
} else {
$expiry = (int) $expiry;
}
if ($value === NULL) {
unset_cache_flag($type, $name);
return true;
}
if ($f = $DB->get_record('cache_flags', array('name' => $name, 'flagtype' => $type))) {
// this is a potentail problem in DEBUG_DEVELOPER
if ($f->value == $value and $f->expiry == $expiry and $f->timemodified == $timemodified) {
return true;
//no need to update; helps rcache too
}
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
$DB->update_record('cache_flags', $f);
} else {
$f = new object();
$f->flagtype = $type;
$f->name = $name;
$f->value = $value;
$f->expiry = $expiry;
$f->timemodified = $timemodified;
$DB->insert_record('cache_flags', $f);
}
return true;
}
