mirror of
https://github.com/silverstripe/silverstripe-framework
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6606d98663
This could be used as a way to circumvent login restrictions by using the change password feature to log users in that are unable to login for reasons other than too many password attempts
158 lines
5.1 KiB
PHP
158 lines
5.1 KiB
PHP
<?php
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/**
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* Standard Change Password Form
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* @package framework
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* @subpackage security
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*/
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class ChangePasswordForm extends Form {
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/**
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* Constructor
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*
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* @param Controller $controller The parent controller, necessary to
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* create the appropriate form action tag.
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* @param string $name The method on the controller that will return this
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* form object.
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* @param FieldList|FormField $fields All of the fields in the form - a
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* {@link FieldList} of {@link FormField}
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* objects.
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* @param FieldList|FormAction $actions All of the action buttons in the
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* form - a {@link FieldList} of
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*/
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public function __construct($controller, $name, $fields = null, $actions = null) {
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if(isset($_REQUEST['BackURL'])) {
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$backURL = $_REQUEST['BackURL'];
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} else {
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$backURL = Session::get('BackURL');
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}
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if(!$fields) {
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$fields = new FieldList();
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// Security/changepassword?h=XXX redirects to Security/changepassword
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// without GET parameter to avoid potential HTTP referer leakage.
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// In this case, a user is not logged in, and no 'old password' should be necessary.
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if(Member::currentUser()) {
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$fields->push(new PasswordField("OldPassword",_t('Member.YOUROLDPASSWORD', "Your old password")));
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}
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$fields->push(new PasswordField("NewPassword1", _t('Member.NEWPASSWORD', "New Password")));
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$fields->push(new PasswordField("NewPassword2", _t('Member.CONFIRMNEWPASSWORD', "Confirm New Password")));
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}
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if(!$actions) {
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$actions = new FieldList(
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new FormAction("doChangePassword", _t('Member.BUTTONCHANGEPASSWORD', "Change Password"))
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);
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}
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if(isset($backURL)) {
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$fields->push(new HiddenField('BackURL', 'BackURL', $backURL));
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}
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parent::__construct($controller, $name, $fields, $actions);
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}
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/**
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* Change the password
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*
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* @param array $data The user submitted data
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* @return SS_HTTPResponse
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*/
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public function doChangePassword(array $data) {
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if($member = Member::currentUser()) {
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// The user was logged in, check the current password
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if(empty($data['OldPassword']) || !$member->checkPassword($data['OldPassword'])->valid()) {
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$this->clearMessage();
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$this->sessionMessage(
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_t('Member.ERRORPASSWORDNOTMATCH', "Your current password does not match, please try again"),
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"bad"
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);
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->controller->redirect($this->controller->Link('changepassword'));
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}
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}
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if(!$member) {
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if(Session::get('AutoLoginHash')) {
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$member = Member::member_from_autologinhash(Session::get('AutoLoginHash'));
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}
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// The user is not logged in and no valid auto login hash is available
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if(!$member) {
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Session::clear('AutoLoginHash');
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return $this->controller->redirect($this->controller->Link('login'));
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}
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}
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// Check the new password
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if(empty($data['NewPassword1'])) {
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$this->clearMessage();
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$this->sessionMessage(
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_t('Member.EMPTYNEWPASSWORD', "The new password can't be empty, please try again"),
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"bad");
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->controller->redirect($this->controller->Link('changepassword'));
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}
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else if($data['NewPassword1'] == $data['NewPassword2']) {
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$isValid = $member->changePassword($data['NewPassword1']);
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if($isValid->valid()) {
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// Clear locked out status
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$member->LockedOutUntil = null;
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$member->FailedLoginCount = null;
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$member->write();
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if ($member->canLogIn()->valid()) {
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$member->logIn();
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}
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// TODO Add confirmation message to login redirect
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Session::clear('AutoLoginHash');
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if (!empty($_REQUEST['BackURL'])
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// absolute redirection URLs may cause spoofing
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&& Director::is_site_url($_REQUEST['BackURL'])
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) {
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$url = Director::absoluteURL($_REQUEST['BackURL']);
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return $this->controller->redirect($url);
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}
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else {
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// Redirect to default location - the login form saying "You are logged in as..."
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$redirectURL = HTTP::setGetVar(
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'BackURL',
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Director::absoluteBaseURL(), $this->controller->Link('login')
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);
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return $this->controller->redirect($redirectURL);
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}
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} else {
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$this->clearMessage();
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$this->sessionMessage(
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_t(
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'Member.INVALIDNEWPASSWORD',
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"We couldn't accept that password: {password}",
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array('password' => nl2br("\n".Convert::raw2xml($isValid->starredList())))
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),
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"bad",
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false
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);
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->controller->redirect($this->controller->Link('changepassword'));
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}
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} else {
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$this->clearMessage();
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$this->sessionMessage(
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_t('Member.ERRORNEWPASSWORD', "You have entered your new password differently, try again"),
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"bad");
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->controller->redirect($this->controller->Link('changepassword'));
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}
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}
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}
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