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Mon, Feb 3, 6:18 AM

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Index: branches/5.2.x/core/units/helpers/user_helper.php
===================================================================
--- branches/5.2.x/core/units/helpers/user_helper.php (revision 15663)
+++ branches/5.2.x/core/units/helpers/user_helper.php (revision 15664)
@@ -1,693 +1,694 @@
<?php
/**
* @version $Id$
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class UserHelper extends kHelper {
/**
* Event to be used during login processings
*
* @var kEvent
*/
var $event = null;
/**
* Performs user login and returns the result
*
* @param string $username
* @param string $password
* @param bool $dry_run
* @param bool $remember_login
* @param string $remember_login_cookie
* @return int
*/
function loginUser($username, $password, $dry_run = false, $remember_login = false, $remember_login_cookie = '')
{
if ( !isset($this->event) ) {
$this->event = new kEvent('u:OnLogin');
}
if ( !$password && !$remember_login_cookie ) {
return LoginResult::INVALID_PASSWORD;
}
$object =& $this->getUserObject();
// process "Save Username" checkbox
if ( $this->Application->isAdmin ) {
$save_username = $this->Application->GetVar('cb_save_username') ? $username : '';
$this->Application->Session->SetCookie('save_username', $save_username, strtotime('+1 year'));
// cookie will be set on next refresh, but refresh won't occur if
// login error present, so duplicate cookie in kHTTPQuery
$this->Application->SetVar('save_username', $save_username);
}
// logging in "root" (admin only)
$super_admin = ($username == 'super-root') && $this->verifySuperAdmin();
if ( $this->Application->isAdmin && ($username == 'root') || ($super_admin && $username == 'super-root') ) {
$password_formatter = $this->Application->recallObject('kPasswordFormatter');
/* @var $password_formatter kPasswordFormatter */
if ( !$password_formatter->checkPasswordFromSetting('RootPass', $password) ) {
return LoginResult::INVALID_PASSWORD;
}
$user_id = USER_ROOT;
$object->Clear($user_id);
$object->SetDBField('Username', 'root');
if ( !$dry_run ) {
$this->loginUserById($user_id, $remember_login_cookie);
if ( $super_admin ) {
$this->Application->StoreVar('super_admin', 1);
}
// reset counters
$this->Application->resetCounters('UserSessions');
$this->_processLoginRedirect('root', $password);
$this->_processInterfaceLanguage();
$this->_fixNextTemplate();
}
return LoginResult::OK;
}
$user_id = $this->getUserId($username, $password, $remember_login_cookie);
if ( $user_id ) {
$object->Load($user_id);
if ( !$this->checkBanRules($object) ) {
return LoginResult::BANNED;
}
if ( $object->GetDBField('Status') == STATUS_ACTIVE ) {
if ( !$this->checkLoginPermission() ) {
return LoginResult::NO_PERMISSION;
}
if ( !$dry_run ) {
$this->loginUserById($user_id, $remember_login_cookie);
if ( $remember_login ) {
// remember username & password when "Remember Login" checkbox us checked (when user is using login form on Front-End)
$sql = 'SELECT MD5(Password)
FROM ' . TABLE_PREFIX . 'Users
WHERE PortalUserId = ' . $user_id;
$remember_login_hash = $this->Conn->GetOne($sql);
$this->Application->Session->SetCookie('remember_login', $username . '|' . $remember_login_hash, strtotime('+1 month'));
}
if ( !$remember_login_cookie ) {
// reset counters
$this->Application->resetCounters('UserSessions');
$this->_processLoginRedirect($username, $password);
$this->_processInterfaceLanguage();
$this->_fixNextTemplate();
}
}
return LoginResult::OK;
}
else {
$pending_template = $this->Application->GetVar('pending_disabled_template');
if ( $pending_template !== false && !$dry_run ) {
// when user found, but it's not yet approved redirect hit to notification template
$this->event->redirect = $pending_template;
return LoginResult::OK;
}
else {
// when no notification template given return an error
return LoginResult::INVALID_PASSWORD;
}
}
}
if ( !$dry_run ) {
$this->event->SetRedirectParam('pass', 'all');
// $this->event->SetRedirectParam('pass_category', 1); // to test
}
return LoginResult::INVALID_PASSWORD;
}
/**
* Login user by it's id
*
* @param int $user_id
* @param bool $remember_login_cookie
*/
function loginUserById($user_id, $remember_login_cookie = false)
{
$object =& $this->getUserObject();
+ $this->Application->removeObject($object->getPrefixSpecial());
$this->Application->StoreVar('user_id', $user_id);
$this->Application->SetVar('u.current_id', $user_id);
$this->Application->Session->SetField('PortalUserId', $user_id);
if ($user_id != USER_ROOT) {
$groups = $this->Application->RecallVar('UserGroups');
list ($first_group, ) = explode(',', $groups);
$this->Application->Session->SetField('GroupId', $first_group);
$this->Application->Session->SetField('GroupList', $groups);
$this->Application->Session->SetField('TimeZone', $object->GetDBField('TimeZone'));
}
$this->Application->LoadPersistentVars();
if (!$remember_login_cookie) {
// don't change last login time when auto-login is used
$this_login = (int)$this->Application->RecallPersistentVar('ThisLogin');
$this->Application->StorePersistentVar('LastLogin', $this_login);
$this->Application->StorePersistentVar('ThisLogin', adodb_mktime());
}
$hook_event = new kEvent('u:OnAfterLogin');
$hook_event->MasterEvent = $this->event;
$this->Application->HandleEvent($hook_event);
}
/**
* Checks login permission
*
* @return bool
*/
function checkLoginPermission()
{
$object =& $this->getUserObject();
$ip_restrictions = $object->GetDBField('IPRestrictions');
if ( $ip_restrictions && !$this->Application->isDebugMode() && !kUtil::ipMatch($ip_restrictions, "\n") ) {
return false;
}
$groups = $object->getMembershipGroups(true);
if ( !$groups ) {
$groups = Array ();
}
$default_group = $this->getUserTypeGroup();
if ( $default_group !== false ) {
array_push($groups, $default_group);
}
// store groups, because kApplication::CheckPermission will use them!
array_push($groups, $this->Application->ConfigValue('User_LoggedInGroup'));
$groups = array_unique($groups);
$this->Application->StoreVar('UserGroups', implode(',', $groups), true); // true for optional
return $this->Application->CheckPermission($this->Application->isAdmin ? 'ADMIN' : 'LOGIN', 1);
}
/**
* Returns default user group for it's type
*
* @return bool|string
* @access protected
*/
protected function getUserTypeGroup()
{
$group_id = false;
$object =& $this->getUserObject();
if ( $object->GetDBField('UserType') == UserType::USER ) {
$group_id = $this->Application->ConfigValue('User_NewGroup');
}
elseif ( $object->GetDBField('UserType') == UserType::ADMIN ) {
$group_id = $this->Application->ConfigValue('User_AdminGroup');
}
$ip_restrictions = $this->getGroupsWithIPRestrictions();
if ( !isset($ip_restrictions[$group_id]) || kUtil::ipMatch($ip_restrictions[$group_id], "\n") ) {
return $group_id;
}
return false;
}
/**
* Returns groups with IP restrictions
*
* @return Array
* @access public
*/
public function getGroupsWithIPRestrictions()
{
static $cache = null;
if ( $this->Application->isDebugMode() ) {
return Array ();
}
if ( !isset($cache) ) {
$sql = 'SELECT IPRestrictions, GroupId
FROM ' . TABLE_PREFIX . 'UserGroups
WHERE IPRestrictions IS NOT NULL';
$cache = $this->Conn->GetCol($sql, 'GroupId');
}
return $cache;
}
/**
* Performs user logout
*
*/
function logoutUser()
{
if (!isset($this->event)) {
$this->event = new kEvent('u:OnLogout');
}
$hook_event = new kEvent('u:OnBeforeLogout');
$hook_event->MasterEvent = $this->event;
$this->Application->HandleEvent($hook_event);
$this->_processLoginRedirect();
$user_id = USER_GUEST;
$this->Application->SetVar('u.current_id', $user_id);
$object = $this->Application->recallObject('u.current', null, Array('skip_autoload' => true));
/* @var $object UsersItem */
$object->Load($user_id);
$this->Application->DestroySession();
$this->Application->StoreVar('user_id', $user_id, true);
$this->Application->Session->SetField('PortalUserId', $user_id);
$group_list = $this->Application->ConfigValue('User_GuestGroup') . ',' . $this->Application->ConfigValue('User_LoggedInGroup');
$this->Application->StoreVar('UserGroups', $group_list, true);
$this->Application->Session->SetField('GroupList', $group_list);
if ($this->Application->ConfigValue('UseJSRedirect')) {
$this->event->SetRedirectParam('js_redirect', 1);
}
$this->Application->resetCounters('UserSessions');
$this->Application->Session->SetCookie('remember_login', '', strtotime('-1 hour'));
// don't pass user prefix on logout, since resulting url will have broken "env"
$this->event->SetRedirectParam('pass', MOD_REWRITE ? 'm' : 'all');
$this->_fixNextTemplate();
}
/**
* Returns user id based on given criteria
*
* @param string $username
* @param string $password
* @param string $remember_login_cookie
* @return int
*/
function getUserId($username, $password, $remember_login_cookie)
{
if ( $remember_login_cookie ) {
list ($username, $password) = explode('|', $remember_login_cookie); // 0 - username, 1 - md5(password_hash)
}
$sql = 'SELECT PortalUserId, Password, PasswordHashingMethod
FROM ' . TABLE_PREFIX . 'Users
WHERE Email = %1$s OR Username = %1$s';
$user_info = $this->Conn->GetRow(sprintf($sql, $this->Conn->qstr($username)));
if ( $user_info ) {
if ( $remember_login_cookie ) {
return md5($user_info['Password']) == $password;
}
else {
$password_formatter = $this->Application->recallObject('kPasswordFormatter');
/* @var $password_formatter kPasswordFormatter */
$hashing_method = $user_info['PasswordHashingMethod'];
if ( $password_formatter->checkPassword($password, $user_info['Password'], $hashing_method) ) {
if ( $hashing_method != PasswordHashingMethod::PHPPASS ) {
$this->_fixUserPassword($user_info['PortalUserId'], $password);
}
return $user_info['PortalUserId'];
}
}
}
return false;
}
/**
* Apply new password hashing to given user's password
*
* @param int $user_id
* @param string $password
* @return void
* @access protected
*/
protected function _fixUserPassword($user_id, $password)
{
$password_formatter = $this->Application->recallObject('kPasswordFormatter');
/* @var $password_formatter kPasswordFormatter */
$fields_hash = Array (
'Password' => $password_formatter->hashPassword($password),
'PasswordHashingMethod' => PasswordHashingMethod::PHPPASS,
);
$this->Conn->doUpdate($fields_hash, TABLE_PREFIX . 'Users', 'PortalUserId = ' . $user_id);
}
/**
* Process all required data and redirect logged-in user
*
* @param string $username
* @param string $password
* @return void
*/
protected function _processLoginRedirect($username = null, $password = null)
{
// set next template
$next_template = $this->Application->GetVar('next_template');
if ( $next_template ) {
$this->event->redirect = $next_template;
}
// process IIS redirect
if ( $this->Application->ConfigValue('UseJSRedirect') ) {
$this->event->SetRedirectParam('js_redirect', 1);
}
// synchronize login
$sync_manager = $this->Application->recallObject('UsersSyncronizeManager', null, Array (), Array ('InPortalSyncronize'));
/* @var $sync_manager UsersSyncronizeManager */
if ( isset($username) && isset($password) ) {
$sync_manager->performAction('LoginUser', $username, $password);
}
else {
$sync_manager->performAction('LogoutUser');
}
}
/**
* Sets correct interface language after successful login, based on user settings
*
* @return void
* @access protected
*/
protected function _processInterfaceLanguage()
{
if ( defined('IS_INSTALL') && IS_INSTALL ) {
$this->event->SetRedirectParam('m_lang', 1); // data
$this->Application->Session->SetField('Language', 1); // interface
return;
}
$language_field = $this->Application->isAdmin ? 'AdminLanguage' : 'FrontLanguage';
$primary_language_field = $this->Application->isAdmin ? 'AdminInterfaceLang' : 'PrimaryLang';
$is_root = $this->Application->RecallVar('user_id') == USER_ROOT;
$object =& $this->getUserObject();
$user_language_id = $is_root ? $this->Application->RecallPersistentVar($language_field) : $object->GetDBField($language_field);
$sql = 'SELECT LanguageId, IF(LanguageId = ' . (int)$user_language_id . ', 2, ' . $primary_language_field . ') AS SortKey
FROM ' . TABLE_PREFIX . 'Languages
WHERE Enabled = 1
HAVING SortKey <> 0
ORDER BY SortKey DESC';
$language_info = $this->Conn->GetRow($sql);
$language_id = $language_info && $language_info['LanguageId'] ? $language_info['LanguageId'] : $user_language_id;
if ( $user_language_id != $language_id ) {
// first login OR language was deleted or disabled
if ( $is_root ) {
$this->Application->StorePersistentVar($language_field, $language_id);
}
else {
$object->SetDBField($language_field, $language_id);
$object->Update();
}
}
// set language for Admin Console & Front-End with disabled Mod-Rewrite
$this->event->SetRedirectParam('m_lang', $language_id); // data
$this->Application->Session->SetField('Language', $language_id); // interface
}
/**
* Injects redirect params into next template, which doesn't happen if next template starts with "external:"
*
* @return void
* @access protected
*/
protected function _fixNextTemplate()
{
if ( !MOD_REWRITE || !is_object($this->event) ) {
return;
}
// solve problem, when template is "true" instead of actual template name
$template = is_string($this->event->redirect) ? $this->event->redirect : '';
$url = $this->Application->HREF($template, '', $this->event->getRedirectParams(), $this->event->redirectScript);
$vars = $this->Application->parseRewriteUrl($url, 'pass');
unset($vars['login'], $vars['logout']);
// merge back url params, because they were ignored if this was "external:" url
$vars['pass'] = implode(',', $vars['pass']);
$vars = array_merge($vars, $this->event->getRedirectParams());
$template = $vars['t'];
unset($vars['is_virtual'], $vars['t']);
$this->event->redirect = $template;
$this->event->setRedirectParams($vars, false);
}
/**
* Checks that user is allowed to use super admin mode
*
* @return bool
*/
function verifySuperAdmin()
{
$sa_mode = kUtil::ipMatch(defined('SA_IP') ? SA_IP : '');
return $sa_mode || $this->Application->isDebugMode();
}
/**
* Returns user object, used during login processing
*
* @return UsersItem
* @access public
*/
public function &getUserObject()
{
$prefix_special = $this->Application->isAdmin ? 'u.current' : 'u'; // "u" used on front not to change theme
$object = $this->Application->recallObject($prefix_special, null, Array('skip_autoload' => true));
/* @var $object UsersItem */
return $object;
}
/**
* Checks, if given user fields matches at least one of defined ban rules
*
* @param kDBItem $object
* @return bool
*/
function checkBanRules(&$object)
{
$table = $this->Application->getUnitOption('ban-rule', 'TableName');
if (!$this->Conn->TableFound($table)) {
// when ban table not found -> assume user is ok by default
return true;
}
$sql = 'SELECT *
FROM ' . $table . '
WHERE ItemType = 6 AND Status = ' . STATUS_ACTIVE . '
ORDER BY Priority DESC';
$rules = $this->Conn->Query($sql);
$found = false;
foreach ($rules as $rule) {
$field = $rule['ItemField'];
$this_value = mb_strtolower( $object->GetDBField($field) );
$test_value = mb_strtolower( $rule['ItemValue'] );
switch ( $rule['ItemVerb'] ) {
case 1: // is
if ($this_value == $test_value) {
$found = true;
}
break;
case 2: // is not
if ($this_value != $test_value) {
$found = true;
}
break;
case 3: // contains
if ( strstr($this_value, $test_value) ) {
$found = true;
}
break;
case 4: // not contains
if ( !strstr($this_value, $test_value) ) {
$found = true;
}
break;
case 7: // exists
if ( strlen($this_value) > 0 ) {
$found = true;
}
break;
case 8: // unique
if ( $this->_checkValueExist($field, $this_value) ) {
$found = true;
}
break;
}
if ( $found ) {
// check ban rules, until one of them matches
if ( $rule['RuleType'] ) {
// invert rule type
$found = false;
}
break;
}
}
return !$found;
}
/**
* Checks if value is unique in Users table against the specified field
*
* @param string $field
* @param string $value
* @return string
*/
function _checkValueExist($field, $value)
{
$sql = 'SELECT *
FROM ' . $this->Application->getUnitOption('u', 'TableName') . '
WHERE '. $field .' = ' . $this->Conn->qstr($value);
return $this->Conn->GetOne($sql);
}
public function validateUserCode($user_code, $code_type, $expiration_timeout = null)
{
$expiration_timeouts = Array (
'forgot_password' => 'config:Users_AllowReset',
'activation' => 'config:UserEmailActivationTimeout',
'verify_email' => 'config:Users_AllowReset',
'custom' => '',
);
if ( !$user_code ) {
return 'code_is_not_valid';
}
$sql = 'SELECT PwRequestTime, PortalUserId
FROM ' . TABLE_PREFIX . 'Users
WHERE PwResetConfirm = ' . $this->Conn->qstr( trim($user_code) );
$user_info = $this->Conn->GetRow($sql);
if ( $user_info === false ) {
return 'code_is_not_valid';
}
$expiration_timeout = isset($expiration_timeout) ? $expiration_timeout : $expiration_timeouts[$code_type];
if ( preg_match('/^config:(.*)$/', $expiration_timeout, $regs) ) {
$expiration_timeout = $this->Application->ConfigValue( $regs[1] );
}
if ( $expiration_timeout && $user_info['PwRequestTime'] < strtotime('-' . $expiration_timeout . ' minutes') ) {
return 'code_expired';
}
return $user_info['PortalUserId'];
}
/**
* Restores user's email, returns error label, if error occurred
*
* @param string $hash
* @return string
* @access public
*/
public function restoreEmail($hash)
{
if ( !preg_match('/^[a-f0-9]{32}$/', $hash) ) {
return 'invalid_hash';
}
$sql = 'SELECT PortalUserId, PrevEmails
FROM ' . TABLE_PREFIX . 'Users
WHERE PrevEmails LIKE ' . $this->Conn->qstr('%' . $hash . '%');
$user_info = $this->Conn->GetRow($sql);
if ( $user_info === false ) {
return 'invalid_hash';
}
$prev_emails = $user_info['PrevEmails'];
$prev_emails = $prev_emails ? unserialize($prev_emails) : Array ();
if ( !isset($prev_emails[$hash]) ) {
return 'invalid_hash';
}
$email_to_restore = $prev_emails[$hash];
unset($prev_emails[$hash]);
$object = $this->Application->recallObject('u.email-restore', null, Array ('skip_autoload' => true));
/* @var $object UsersItem */
$object->Load($user_info['PortalUserId']);
$object->SetDBField('PrevEmails', serialize($prev_emails));
$object->SetDBField('Email', $email_to_restore);
$object->SetDBField('EmailVerified', 1);
return $object->Update() ? '' : 'restore_impossible';
}
}

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