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ResetPassword.php
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ResetPassword.php
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<?php
/**
* Login
*
* Copyright 2010 by Shaun McCormick <shaun+login@modx.com>
*
* Login is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* Login is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* Login; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*
* @package login
*/
/**
* Resets the user's password after a successful identity verification
*
* @package login
* @subpackage controllers
*/
class LoginResetPasswordController extends LoginController {
/** @var modUser $user */
public $user;
/** @var string $username */
protected $username = '';
/** @var string $password */
protected $password = '';
protected $errors = array ();
public function initialize() {
$this->setDefaultProperties(array(
'tpl' => 'lgnResetPassTpl',
'tplType' => 'modChunk',
'changePasswordTpl' => 'lgnResetPassChangePassTpl',
'changePasswordTplType' => 'modChunk',
'changePasswordSubmitVar' => 'logcp-submit',
'fieldConfirmNewPassword' => 'password_new_confirm',
'fieldNewPassword' => 'password_new',
'errTpl' => 'lgnErrTpl',
'placeholderPrefix' => 'logcp.',
'loginResourceId' => 1,
'debug' => false,
'autoLogin' => false,
'forceChangePassword' => false,
'expiredTpl' => 'lgnExpiredTpl',
));
$this->modx->lexicon->load('login:profile');
$this->modx->lexicon->load('login:register');
$this->modx->lexicon->load('login:changepassword');
}
/**
* Process the controller
* @return string
*/
public function process() {
$this->getUser();
if (empty($this->user)) return $this->modx->getChunk($this->getProperty('expiredTpl'));
if (!$this->verifyIdentity()) return $this->modx->getChunk($this->getProperty('expiredTpl'));
if ($this->getProperty('forceChangePassword') == true) {
if (!empty($_POST) && isset($_POST[$this->getProperty('submitVar','logcp-submit')])) {
$changed = $this->handleChangePasswordForm();
if ($changed !== true) {
return $changed;
}
} else {
return $this->showChangePasswordForm();
}
}
if (!$this->changePassword()) return '';
$this->eraseCache();
if ($this->getProperty('autoLogin') == true) {
$this->autoLogin();
}
$this->fireEvents();
return $this->getResponse();
}
public function getUser() {
/* get user from query params */
$this->username = $this->login->base64url_decode($_REQUEST['lu']);
$this->password = $this->login->base64url_decode($_REQUEST['lp']);
if (empty($this->username) || empty($this->password)) {
return null;
}
/* validate we have correct user */
$this->user = $this->modx->getObject('modUser',array('username' => $this->username));
return $this->user;
}
/**
* Validate password to prevent middleman attacks
* @return boolean
*/
public function verifyIdentity() {
$cacheKey = 'login/resetpassword/'.md5($this->user->get('id').':'.$this->user->get('username'));
$cachePass = $this->modx->cacheManager->get($cacheKey);
$verified = $cachePass == $this->password;
return $verified;
}
/**
* Erase the cached user data
* @return void
*/
public function eraseCache() {
$cacheKey = 'login/resetpassword/'.md5($this->user->get('id').':'.$this->user->get('username'));
$this->modx->cacheManager->delete($cacheKey);
}
/**
* Change the User's password to the new one
* @return bool
*/
public function changePassword() {
$saved = true;
/* change password */
$version = $this->modx->getVersionData();
if (version_compare($version['full_version'],'2.1.0-rc1') >= 0) {
$this->user->set('password',$this->password);
} else {
$this->user->set('password',md5($this->password));
}
if (!$this->getProperty('debug',false,'isset')) {
$saved = $this->user->save();
}
return $saved;
}
/**
* Fire change password events
* @return void
*/
public function fireEvents() {
$this->modx->invokeEvent('OnWebChangePassword', array (
'userid' => $this->user->get('id'),
'username' => $this->user->get('username'),
'userpassword' => $this->password,
'user' => &$this->user,
'newpassword' => $this->password,
));
$this->modx->invokeEvent('OnUserChangePassword', array (
'userid' => $this->user->get('id'),
'username' => $this->user->get('username'),
'userpassword' => $this->password,
'user' => &$this->user,
'newpassword' => $this->password,
));
}
/**
* Return the response chunk
* @return string
*/
public function getResponse() {
$placeholders = array(
'username' => $this->user->get('username'),
'loginUrl' => $this->modx->makeUrl($this->getProperty('loginResourceId',1)),
);
return $this->login->getChunk($this->getProperty('tpl'),$placeholders,$this->getProperty('tplType','modChunk'));
}
public function showChangePasswordForm() {
return $this->login->getChunk($this->getProperty('changePasswordTpl'),null,$this->getProperty('changePasswordTplType','modChunk'));
}
/**
* Validate the form with FormIt-style validation
* @return array
*/
public function validate() {
$this->loadValidator();
$fields = $this->validator->validateFields($this->dictionary,$this->getProperty('validate',''));
foreach ($fields as $k => $v) {
$fields[$k] = str_replace(array('[',']'),array('[',']'),$v);
}
$this->dictionary->fromArray($fields);
return $this->validator->getErrors();
}
/**
* Remove the submitVar from the fields array
* @return void
*/
public function removeSubmitVar() {
$submitVar = $this->getProperty('changePasswordSubmitVar','logcp-submit');
if (!empty($submitVar)) {
$this->dictionary->remove($submitVar);
}
}
public function handleChangePasswordForm() {
$this->loadDictionary();
$this->errors = $this->validate();
if (!empty($this->errors)) {
$placeholderPrefix = $this->getProperty('placeholderPrefix','logcp.');
$this->modx->setPlaceholders($this->errors,$placeholderPrefix.'error.');
$this->modx->setPlaceholders($this->dictionary->toArray(),$placeholderPrefix);
return $this->showChangePasswordForm();
}
$this->validatePasswordLength();
$this->confirmMatchedPasswords();
if (!empty($this->errors)) {
$errorMsg = $this->prepareFailureMessage();
$this->modx->setPlaceholder($this->getProperty('placeholderPrefix').'error_message',$errorMsg);
return $this->showChangePasswordForm();
}
$this->password = $this->dictionary->get('password_new');
return true;
}
/**
* Ensure the new password is at least the minimum length as specified in System Settings
*
* @return boolean
*/
public function validatePasswordLength() {
$validated = true;
$fieldNewPassword = $this->getProperty('fieldNewPassword','password_new');
$newPassword = $this->dictionary->get($fieldNewPassword);
$minLength = $this->modx->getOption('password_min_length',null,8);
if (empty($newPassword) || strlen($newPassword) < $minLength) {
$this->errors[$fieldNewPassword] = $this->modx->lexicon('login.password_too_short',array('length' => $minLength));
$validated = false;
}
return $validated;
}
/**
* If set, confirm that the confirmation password matches the new password
* @return boolean
*/
public function confirmMatchedPasswords() {
$validated = true;
$fieldConfirmNewPassword = $this->getProperty('fieldConfirmNewPassword','password_new_confirm');
/* if using confirm, ensure they match */
if (!empty($fieldConfirmNewPassword)) {
$confirmNewPassword = $this->dictionary->get($fieldConfirmNewPassword);
$fieldNewPassword = $this->getProperty('fieldNewPassword','password_new');
$newPassword = $this->dictionary->get($fieldNewPassword);
if (empty($confirmNewPassword) || $newPassword != $confirmNewPassword) {
$this->errors[$fieldConfirmNewPassword] = $this->modx->lexicon('login.password_no_match');
$validated = false;
}
}
return $validated;
}
/**
* @param string $defaultErrorMessage
* @return string
*/
public function prepareFailureMessage($defaultErrorMessage = '') {
$errorOutput = '';
$errTpl = $this->getProperty('errTpl');
$errors = $this->errors;
if (!empty($errors)) {
foreach ($errors as $error) {
$errorOutput .= $this->modx->getChunk($errTpl, array('msg' => $error));
}
} else {
$errorOutput = $this->modx->getChunk($errTpl, array('msg' => $defaultErrorMessage));
}
return $errorOutput;
}
public function autoLogin() {
if ($this->user == null) { return false; }
$contexts = $this->getProperty('authenticateContexts', $this->modx->context->get('key'));
$c = array(
'login_context' => $this->modx->context->key,
'add_contexts' => $contexts,
'username' => $this->user->username,
'password' => $this->password,
'returnUrl' => '',
);
$this->modx->runProcessor('security/login',$c);
return true;
}
}
return 'LoginResetPasswordController';