293 lines
9.2 KiB
PHP
293 lines
9.2 KiB
PHP
<?php
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/**
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* @brief Lost Password
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 26 Aug 2013
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*/
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namespace IPS\core\modules\front\system;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use DateInterval;
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use IPS\DateTime;
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use IPS\Db;
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use IPS\Dispatcher\Controller;
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use IPS\Email;
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use IPS\Helpers\Form;
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use IPS\Helpers\Form\Captcha;
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use IPS\Helpers\Form\Email as FormEmail;
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use IPS\Helpers\Form\Password;
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use IPS\Helpers\Form\Text;
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use IPS\Http\Url;
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use IPS\Login;
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use IPS\Login\Handler;
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use IPS\Login\Handler\Standard;
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use IPS\Login\Success;
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use IPS\Member;
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use IPS\Output;
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use IPS\Request;
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use IPS\Session;
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use IPS\Settings;
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use IPS\Text\Encrypt;
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use IPS\Theme;
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use UnderflowException;
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use function defined;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Lost Password
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*/
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class lostpass extends Controller
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{
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/**
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* @brief Is this for displaying "content"? Affects if advertisements may be shown
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*/
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public bool $isContentPage = FALSE;
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/**
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* Execute
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*
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* @return void
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*/
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public function execute() : void
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{
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if ( Settings::i()->allow_forgot_password == 'disabled' )
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{
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Output::i()->error( 'page_doesnt_exist', '2S151/2', 404, '' );
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}
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if ( Settings::i()->allow_forgot_password == 'redirect' )
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{
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Output::i()->redirect( Url::external( Settings::i()->allow_forgot_password_target ) );
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}
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parent::execute();
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}
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/**
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* Manage
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*
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* @return void
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*/
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protected function manage() : void
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{
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/* Build the form */
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$form = new Form( "lostpass", 'request_password' );
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$form->add( new FormEmail( 'email_address', NULL, TRUE, array( 'bypassProfanity' => Text::BYPASS_PROFANITY_ALL ) ) );
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$captcha = new Captcha;
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if ( (string) $captcha !== '' )
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{
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$form->add( $captcha );
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}
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Output::i()->title = Member::loggedIn()->language()->addToStack('lost_password');
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/* Handle the reset */
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if ( $values = $form->values() )
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{
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if( !Login::emailIsInUse( $values['email_address'] ) )
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{
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/* We intentionally show the same message as if the request was successful to avoid leaking information about membership */
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Output::i()->sidebar['enabled'] = FALSE;
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Output::i()->bodyClasses[] = 'ipsLayout_minimal';
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Output::i()->output = Theme::i()->getTemplate( 'system' )->lostPassConfirm( 'lost_pass_confirm' );
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return;
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}
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/* If using "normal" method and we have an account, and at least one login handler we can process a password change for, we're good */
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$member = Member::load( $values['email_address'], 'email' );
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if ( $member->member_id and Settings::i()->allow_forgot_password == 'normal' )
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{
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foreach ( Login::methods() as $method )
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{
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if ( $method->canChangePassword( $member ) )
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{
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$this->_sendForgotPasswordEmail( $member );
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return;
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}
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}
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}
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/* If not, send them to the handler if we can */
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foreach( Login::methods() as $method )
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{
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if( $method->emailIsInUse( $values['email_address'] ) === TRUE )
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{
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if ( $url = $method->forgotPasswordUrl() )
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{
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Output::i()->redirect( $url );
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}
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}
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}
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/* If we have no way to reset the password, can we allow creating a local password as a last attempt? */
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if ( $member->member_id )
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{
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foreach( Login::methods() as $method )
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{
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if ( $method instanceof Standard )
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{
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$this->_sendForgotPasswordEmail( $member );
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return;
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}
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}
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}
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/* Otherwise, sorry, we can't do this */
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Output::i()->error( 'lost_pass_not_possible', '1S151/3', 403, '' );
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}
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/* Show form */
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Output::i()->sidebar['enabled'] = FALSE;
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Output::i()->bodyClasses[] = 'ipsLayout_minimal';
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Output::i()->output = Theme::i()->getTemplate( 'system' )->lostPass( $form );
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}
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/**
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* Send forgot password email
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*
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* @param Member $member The member
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* @return void
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*/
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protected function _sendForgotPasswordEmail( Member $member ) : void
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{
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/* If we have an existing validation record, we can just reuse it */
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$sendEmail = TRUE;
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/* Delete any lost pass validating records that are older than 45 minutes - These records are only valid for one hour. */
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Db::i()->delete( 'core_validating', [ 'member_id=? AND lost_pass=1 AND entry_date<?', $member->member_id, time() - 2700 ] );
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try
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{
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$existing = Db::i()->select( array( 'vid', 'email_sent' ), 'core_validating', array( 'member_id=? AND lost_pass=1', $member->member_id ) )->first();
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$vid = $existing['vid'];
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/* If we sent a lost password email within the last 15 minutes, don't send another one otherwise someone could be a nuisence */
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if ( $existing['email_sent'] and $existing['email_sent'] > ( time() - 900 ) )
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{
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$plainSecurityKey = $existing['security_key'];
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$sendEmail = FALSE;
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}
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else
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{
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$plainSecurityKey = Login::generateRandomString();
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Db::i()->update( 'core_validating', [ 'email_sent' => time(), 'security_key' => Encrypt::fromPlaintext( $plainSecurityKey )->tag() ], [ 'vid=?', $vid ] );
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}
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}
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catch ( UnderflowException $e )
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{
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$vid = md5( $member->members_pass_hash . Login::generateRandomString() );
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$plainSecurityKey = Login::generateRandomString();
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Db::i()->insert( 'core_validating', array(
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'vid' => $vid,
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'member_id' => $member->member_id,
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'entry_date' => time(),
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'lost_pass' => 1,
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'ip_address' => $member->ip_address,
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'email_sent' => time(),
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'security_key' => Encrypt::fromPlaintext( $plainSecurityKey )->tag()
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) );
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}
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/* Send email */
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if ( $sendEmail )
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{
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Email::buildFromTemplate( 'core', 'lost_password_init', array( $member, $vid, $plainSecurityKey ), Email::TYPE_TRANSACTIONAL )->send( $member );
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$message = "lost_pass_confirm";
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}
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else
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{
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$message = "lost_pass_too_soon";
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}
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/* Show confirmation page with further instructions */
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Output::i()->sidebar['enabled'] = FALSE;
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Output::i()->bodyClasses[] = 'ipsLayout_minimal';
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Output::i()->output = Theme::i()->getTemplate( 'system' )->lostPassConfirm( $message );
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}
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/**
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* Validate
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*
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* @return void
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*/
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protected function validate() : void
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{
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/* Prevent the vid key from being exposed in referrers */
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Output::i()->sendHeader( "Referrer-Policy: origin" );
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try
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{
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$record = Db::i()->select( '*', 'core_validating', array( 'vid=? AND member_id=? AND lost_pass=1', Request::i()->vid, Request::i()->mid ) )->first();
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}
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catch ( UnderflowException $e )
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{
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Output::i()->error( 'no_validation_key', '2S151/1', 410, '' );
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}
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/* Check security key is valid. */
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if( !Login::compareHashes( Encrypt::fromTag( $record['security_key'] )->decrypt(), Request::i()->security_key ) )
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{
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Output::i()->error( 'lostpass_invalid_security_key', '2S151/5', 403, '' );
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}
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/* Show a nicer error message if their link has expired */
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if( $record['entry_date'] < DateTime::create()->sub( new DateInterval( 'PT1H' ) )->getTimestamp() )
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{
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Output::i()->error( 'lost_pass_expired', '2S151/4', 410, '' );
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}
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/* Show form for new password */
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$form = new Form( "resetpass", 'save' );
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$form->add( new Password( 'password', NULL, TRUE, array( 'protect' => TRUE, 'showMeter' => Settings::i()->password_strength_meter, 'checkStrength' => TRUE, 'strengthMember' => Member::load( Request::i()->mid ) ) ) );
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$form->add( new Password( 'password_confirm', NULL, TRUE, array( 'protect' => TRUE, 'confirm' => 'password' ) ) );
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/* Set new password */
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if ( $values = $form->values() )
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{
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/* Get the member */
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$member = Member::load( $record['member_id'] );
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/* Reset the failed logins storage - we don't need to save because the login handler will do that for us later */
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Db::i()->delete( 'core_login_failures', [ 'login_member_id=?', $member->member_id ] );
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$member->failed_login_count = 0;
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/* Now reset the member's password. If no handlers accept the change, create a local password */
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if ( !$member->changePassword( $values['password'], 'lost' ) )
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{
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$member->setLocalPassword( $values['password'] );
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$member->save();
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}
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$member->invalidateSessionsAndLogins( Session::i()->id );
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/* Delete validating record and log in */
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Db::i()->delete( 'core_validating', array( 'member_id=? AND lost_pass=1', $member->member_id ) );
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$success = new Success( $member, Handler::findMethod( 'IPS\Login\Handler\Standard' ) );
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if ( $success->mfa() )
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{
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$_SESSION['processing2FA'] = array( 'memberId' => $success->member->member_id, 'anonymous' => $success->anonymous, 'remember' => $success->rememberMe, 'destination' => (string) Url::internal( '' ), 'handler' => $success->handler->id );
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Output::i()->redirect( Url::internal( '' )->setQueryString( '_mfaLogin', 1 ) );
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}
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$success->process();
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Output::i()->redirect( Url::internal( '' )->setQueryString( '_fromLogin', 1 ) );
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}
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Output::i()->sidebar['enabled'] = FALSE;
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Output::i()->bodyClasses[] = 'ipsLayout_minimal';
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Output::i()->output = Theme::i()->getTemplate( 'system' )->resetPass( $form );
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Output::i()->title = Member::loggedIn()->language()->addToStack( 'lost_password' );
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}
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} |