includes/auth/AbstractTemporaryPasswordPrimaryAuthenticationProvider.php
<?php
/**
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Auth
*/
namespace MediaWiki\Auth;
use MediaWiki\MainConfigNames;
use MediaWiki\Password\InvalidPassword;
use MediaWiki\Password\Password;
use MediaWiki\Password\PasswordFactory;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\Title;
use MediaWiki\User\Options\UserOptionsLookup;
use MediaWiki\User\User;
use MediaWiki\User\UserRigorOptions;
use Wikimedia\IPUtils;
use Wikimedia\Rdbms\IConnectionProvider;
use Wikimedia\Rdbms\IDBAccessObject;
/**
* A primary authentication provider that uses a temporary password.
*
* A successful login will force a password reset.
*
* @note For proper operation, this should generally come before any other
* password-based authentication providers.
* @stable to extend
* @ingroup Auth
* @since 1.43
*/
abstract class AbstractTemporaryPasswordPrimaryAuthenticationProvider
extends AbstractPasswordPrimaryAuthenticationProvider
{
/** @var bool */
protected $emailEnabled = null;
/** @var int */
protected $newPasswordExpiry = null;
/** @var int */
protected $passwordReminderResendTime = null;
protected IConnectionProvider $dbProvider;
protected UserOptionsLookup $userOptionsLookup;
/**
* @param IConnectionProvider $dbProvider
* @param UserOptionsLookup $userOptionsLookup
* @param array $params
* - emailEnabled: (bool) must be true for the option to email passwords to be present
* - newPasswordExpiry: (int) expiration time of temporary passwords, in seconds
* - passwordReminderResendTime: (int) cooldown period in hours until a password reminder can
* be sent to the same user again
*/
public function __construct(
IConnectionProvider $dbProvider,
UserOptionsLookup $userOptionsLookup,
$params = []
) {
parent::__construct( $params );
if ( isset( $params['emailEnabled'] ) ) {
$this->emailEnabled = (bool)$params['emailEnabled'];
}
if ( isset( $params['newPasswordExpiry'] ) ) {
$this->newPasswordExpiry = (int)$params['newPasswordExpiry'];
}
if ( isset( $params['passwordReminderResendTime'] ) ) {
$this->passwordReminderResendTime = $params['passwordReminderResendTime'];
}
$this->dbProvider = $dbProvider;
$this->userOptionsLookup = $userOptionsLookup;
}
protected function postInitSetup() {
$this->emailEnabled ??= $this->config->get( MainConfigNames::EnableEmail );
$this->newPasswordExpiry ??= $this->config->get( MainConfigNames::NewPasswordExpiry );
$this->passwordReminderResendTime ??=
$this->config->get( MainConfigNames::PasswordReminderResendTime );
}
protected function getPasswordResetData( $username, $data ) {
// Always reset
return (object)[
'msg' => wfMessage( 'resetpass-temp-emailed' ),
'hard' => true,
];
}
public function getAuthenticationRequests( $action, array $options ) {
switch ( $action ) {
case AuthManager::ACTION_LOGIN:
return [ new PasswordAuthenticationRequest() ];
case AuthManager::ACTION_CHANGE:
return [ TemporaryPasswordAuthenticationRequest::newRandom() ];
case AuthManager::ACTION_CREATE:
// Allow named users creating a new account to email a temporary password to a given address
// in case they are creating an account for somebody else.
// This isn't a likely scenario for account creations by anonymous or temporary users
// and is therefore disabled for them (T328718).
if (
isset( $options['username'] ) &&
!$this->userNameUtils->isTemp( $options['username'] ) &&
$this->emailEnabled
) {
return [ TemporaryPasswordAuthenticationRequest::newRandom() ];
} else {
return [];
}
case AuthManager::ACTION_REMOVE:
return [ new TemporaryPasswordAuthenticationRequest ];
default:
return [];
}
}
public function beginPrimaryAuthentication( array $reqs ) {
$req = AuthenticationRequest::getRequestByClass( $reqs, PasswordAuthenticationRequest::class );
if ( !$req || $req->username === null || $req->password === null ) {
return AuthenticationResponse::newAbstain();
}
$username = $this->userNameUtils->getCanonical(
$req->username, UserRigorOptions::RIGOR_USABLE );
if ( $username === false ) {
return AuthenticationResponse::newAbstain();
}
[ $tempPassHash, $tempPassTime ] = $this->getTemporaryPassword( $username, IDBAccessObject::READ_LATEST );
if ( !$tempPassHash ) {
return AuthenticationResponse::newAbstain();
}
$status = $this->checkPasswordValidity( $username, $req->password );
if ( !$status->isOK() ) {
return $this->getFatalPasswordErrorResponse( $username, $status );
}
if ( !$tempPassHash->verify( $req->password ) ||
!$this->isTimestampValid( $tempPassTime )
) {
return $this->failResponse( $req );
}
// Add an extra log entry since a temporary password is
// an unusual way to log in, so its important to keep track
// of in case of abuse.
$this->logger->info( "{user} successfully logged in using temp password",
[
'provider' => static::class,
'user' => $username,
'requestIP' => $this->manager->getRequest()->getIP()
]
);
$this->setPasswordResetFlag( $username, $status );
return AuthenticationResponse::newPass( $username );
}
public function testUserCanAuthenticate( $username ) {
$username = $this->userNameUtils->getCanonical( $username, UserRigorOptions::RIGOR_USABLE );
if ( $username === false ) {
return false;
}
[ $tempPassHash, $tempPassTime ] = $this->getTemporaryPassword( $username );
return $tempPassHash &&
!( $tempPassHash instanceof InvalidPassword ) &&
$this->isTimestampValid( $tempPassTime );
}
public function providerAllowsAuthenticationDataChange(
AuthenticationRequest $req, $checkData = true
) {
if ( get_class( $req ) !== TemporaryPasswordAuthenticationRequest::class ) {
// We don't really ignore it, but this is what the caller expects.
return \StatusValue::newGood( 'ignored' );
}
if ( !$checkData ) {
return \StatusValue::newGood();
}
$username = $this->userNameUtils->getCanonical(
$req->username, UserRigorOptions::RIGOR_USABLE );
if ( $username === false ) {
return \StatusValue::newGood( 'ignored' );
}
[ $tempPassHash, $tempPassTime ] = $this->getTemporaryPassword( $username, IDBAccessObject::READ_LATEST );
if ( !$tempPassHash ) {
return \StatusValue::newGood( 'ignored' );
}
$sv = \StatusValue::newGood();
if ( $req->password !== null ) {
$sv->merge( $this->checkPasswordValidity( $username, $req->password ) );
if ( $req->mailpassword ) {
if ( !$this->emailEnabled ) {
return \StatusValue::newFatal( 'passwordreset-emaildisabled' );
}
// We don't check whether the user has an email address;
// that information should not be exposed to the caller.
// do not allow temporary password creation within
// $wgPasswordReminderResendTime from the last attempt
if (
$this->passwordReminderResendTime
&& $tempPassTime
&& time() < (int)wfTimestamp( TS_UNIX, $tempPassTime )
+ $this->passwordReminderResendTime * 3600
) {
// Round the time in hours to 3 d.p., in case someone is specifying
// minutes or seconds.
return \StatusValue::newFatal( 'throttled-mailpassword',
round( $this->passwordReminderResendTime, 3 ) );
}
if ( !$req->caller ) {
return \StatusValue::newFatal( 'passwordreset-nocaller' );
}
if ( !IPUtils::isValid( $req->caller ) ) {
$caller = User::newFromName( $req->caller );
if ( !$caller ) {
return \StatusValue::newFatal( 'passwordreset-nosuchcaller', $req->caller );
}
}
}
}
return $sv;
}
public function providerChangeAuthenticationData( AuthenticationRequest $req ) {
$username = $req->username !== null ?
$this->userNameUtils->getCanonical( $req->username, UserRigorOptions::RIGOR_USABLE ) : false;
if ( $username === false ) {
return;
}
$sendMail = false;
if ( $req->action !== AuthManager::ACTION_REMOVE &&
get_class( $req ) === TemporaryPasswordAuthenticationRequest::class
) {
$tempPassHash = $this->getPasswordFactory()->newFromPlaintext( $req->password );
$tempPassTime = wfTimestampNow();
$sendMail = $req->mailpassword;
// Prevent other temp password providers from sending duplicate emails
$req->mailpassword = false;
} else {
// Invalidate the temporary password when any other auth is reset, or when removing
$tempPassHash = PasswordFactory::newInvalidPassword();
$tempPassTime = null;
}
$this->setTemporaryPassword( $username, $tempPassHash, $tempPassTime );
if ( $sendMail ) {
$this->maybeSendPasswordResetEmail( $req );
}
}
public function accountCreationType() {
return self::TYPE_CREATE;
}
public function testForAccountCreation( $user, $creator, array $reqs ) {
/** @var TemporaryPasswordAuthenticationRequest $req */
$req = AuthenticationRequest::getRequestByClass(
$reqs, TemporaryPasswordAuthenticationRequest::class
);
$ret = \StatusValue::newGood();
if ( $req ) {
if ( $req->mailpassword ) {
if ( !$this->emailEnabled ) {
$ret->merge( \StatusValue::newFatal( 'emaildisabled' ) );
} elseif ( !$user->getEmail() ) {
$ret->merge( \StatusValue::newFatal( 'noemailcreate' ) );
}
}
$ret->merge(
$this->checkPasswordValidity( $user->getName(), $req->password )
);
}
return $ret;
}
public function beginPrimaryAccountCreation( $user, $creator, array $reqs ) {
/** @var TemporaryPasswordAuthenticationRequest $req */
$req = AuthenticationRequest::getRequestByClass(
$reqs, TemporaryPasswordAuthenticationRequest::class
);
if ( $req && $req->username !== null && $req->password !== null ) {
// Nothing we can do yet, because the user isn't in the DB yet
if ( $req->username !== $user->getName() ) {
$req = clone $req;
$req->username = $user->getName();
}
if ( $req->mailpassword ) {
// prevent EmailNotificationSecondaryAuthenticationProvider from sending another mail
$this->manager->setAuthenticationSessionData( 'no-email', true );
}
$ret = AuthenticationResponse::newPass( $req->username );
$ret->createRequest = $req;
return $ret;
}
return AuthenticationResponse::newAbstain();
}
public function finishAccountCreation( $user, $creator, AuthenticationResponse $res ) {
/** @var TemporaryPasswordAuthenticationRequest $req */
$req = $res->createRequest;
$mailpassword = $req->mailpassword;
// Prevent providerChangeAuthenticationData() from sending the wrong email
$req->mailpassword = false;
// Now that the user is in the DB, set the password on it.
$this->providerChangeAuthenticationData( $req );
if ( $mailpassword ) {
$this->maybeSendNewAccountEmail( $user, $creator, $req->password );
}
return $mailpassword ? 'byemail' : null;
}
/**
* Check that a temporary password is still valid (hasn't expired).
* @param string|int|null $timestamp Timestamp in the database's format; null means it doesn't
* expire
* @return bool
*/
protected function isTimestampValid( $timestamp ) {
$time = wfTimestampOrNull( TS_MW, $timestamp );
if ( $time !== null ) {
$expiry = (int)wfTimestamp( TS_UNIX, $time ) + $this->newPasswordExpiry;
if ( time() >= $expiry ) {
return false;
}
}
return true;
}
/**
* Wait for the new account to be recorded, and if successful, send an email about the new
* account creation and the temporary password.
*
* If overridden, the override must call sendNewAccountEmail().
*
* @stable to override
* @param User $user The new user account
* @param User $creatingUser The user who created the account (can be anonymous)
* @param string $password The temporary password
*/
protected function maybeSendNewAccountEmail( User $user, User $creatingUser, $password ): void {
// Send email after DB commit (the callback does not run in case of DB rollback)
$this->dbProvider->getPrimaryDatabase()->onTransactionCommitOrIdle(
function () use ( $user, $creatingUser, $password ) {
$this->sendNewAccountEmail( $user, $creatingUser, $password );
},
__METHOD__
);
}
/**
* Send an email about the new account creation and the temporary password.
*
* @stable to override
* @param User $user The new user account
* @param User $creatingUser The user who created the account (can be anonymous)
* @param string $password The temporary password
*/
protected function sendNewAccountEmail( User $user, User $creatingUser, $password ): void {
$ip = $creatingUser->getRequest()->getIP();
// @codeCoverageIgnoreStart
if ( !$ip ) {
return;
}
// @codeCoverageIgnoreEnd
$this->getHookRunner()->onUser__mailPasswordInternal( $creatingUser, $ip, $user );
$mainPageUrl = Title::newMainPage()->getCanonicalURL();
$userLanguage = $this->userOptionsLookup->getOption( $user, 'language' );
$subjectMessage = wfMessage( 'createaccount-title' )->inLanguage( $userLanguage );
$bodyMessage = wfMessage( 'createaccount-text', $ip, $user->getName(), $password,
'<' . $mainPageUrl . '>', round( $this->newPasswordExpiry / 86400 ) )
->inLanguage( $userLanguage );
$status = $user->sendMail( $subjectMessage->text(), $bodyMessage->text() );
// @codeCoverageIgnoreStart
if ( !$status->isGood() ) {
$this->logger->warning( 'Could not send account creation email: ' .
$status->getWikiText( false, false, 'en' ) );
}
// @codeCoverageIgnoreEnd
}
/**
* Wait for the new temporary password to be recorded, and if successful, send an email about it.
*
* If overridden, the override must call sendPasswordResetEmail().
*
* @stable to override
* @param TemporaryPasswordAuthenticationRequest $req
*/
protected function maybeSendPasswordResetEmail( TemporaryPasswordAuthenticationRequest $req ): void {
// Send email after DB commit (the callback does not run in case of DB rollback)
$this->dbProvider->getPrimaryDatabase()->onTransactionCommitOrIdle(
function () use ( $req ) {
$this->sendPasswordResetEmail( $req );
},
__METHOD__
);
}
/**
* Send an email about the new temporary password.
*
* @stable to override
* @param TemporaryPasswordAuthenticationRequest $req
*/
protected function sendPasswordResetEmail( TemporaryPasswordAuthenticationRequest $req ): void {
$user = User::newFromName( $req->username );
if ( !$user ) {
return;
}
$userLanguage = $this->userOptionsLookup->getOption( $user, 'language' );
$callerIsAnon = IPUtils::isValid( $req->caller );
$callerName = $callerIsAnon ? $req->caller : User::newFromName( $req->caller )->getName();
$passwordMessage = wfMessage( 'passwordreset-emailelement', $user->getName(),
$req->password )->inLanguage( $userLanguage );
$emailMessage = wfMessage( $callerIsAnon ? 'passwordreset-emailtext-ip'
: 'passwordreset-emailtext-user' )->inLanguage( $userLanguage );
$body = $emailMessage->params( $callerName, $passwordMessage->text(), 1,
'<' . Title::newMainPage()->getCanonicalURL() . '>',
round( $this->newPasswordExpiry / 86400 ) )->text();
// Hint that the user can choose to require email address to request a temporary password
if (
!$this->userOptionsLookup->getBoolOption( $user, 'requireemail' )
) {
$url = SpecialPage::getTitleFor( 'Preferences', false, 'mw-prefsection-personal-email' )
->getCanonicalURL();
$body .= "\n\n" . wfMessage( 'passwordreset-emailtext-require-email' )
->inLanguage( $userLanguage )
->params( "<$url>" )
->text();
}
$emailTitle = wfMessage( 'passwordreset-emailtitle' )->inLanguage( $userLanguage );
$user->sendMail( $emailTitle->text(), $body );
}
/**
* Return a tuple of temporary password and the time when it was generated.
*
* The password may be an InvalidPassword to represent that it was unset, or null if the user
* can't authenticate for other reasons.
*
* The time is a a timestamp in the database's format or null (use wfTimestampOrNull() to parse
* it). If it's null, the password doesn't expire. Otherwise, the password should be considered
* expired after $wgNewPasswordExpiry seconds since that time.
*
* @stable to override
* @param string $username Canonical username
* @param int $flags Bitfield of IDBAccessObject::READ_* constants
* @return array
* @phan-return array{0:?Password, 1:?string|int}
*/
abstract protected function getTemporaryPassword( string $username, $flags = IDBAccessObject::READ_NORMAL ): array;
/**
* Set a temporary password and the time when it was generated.
*
* @param string $username Canonical username
* @param Password $tempPassHash Password, or an InvalidPassword to unset
* @param string|int|null $tempPassTime Timestamp in a format accepted by wfTimestampOrNull();
* null means it doesn't expire
*/
abstract protected function setTemporaryPassword( string $username, Password $tempPassHash, $tempPassTime ): void;
}