SpecialBotPasswords.php

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<?php
use MediaWiki\Auth\AuthManager;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MainConfigNames;
use MediaWiki\Permissions\GrantsInfo;
use MediaWiki\Permissions\GrantsLocalization;
 
class SpecialBotPasswords extends FormSpecialPage {
 
    private $userId = 0;
 
    private $botPassword = null;
 
    private $operation = null;
 
    private $password = null;
 
    private $logger;
 
    private $passwordFactory;
 
    private $centralIdLookup;
 
    private $grantsInfo;
 
    private $grantsLocalization;
 
    public function __construct(
        PasswordFactory $passwordFactory,
        AuthManager $authManager,
        CentralIdLookup $centralIdLookup,
        GrantsInfo $grantsInfo,
        GrantsLocalization $grantsLocalization
    ) {
        parent::__construct( 'BotPasswords', 'editmyprivateinfo' );
        $this->logger = LoggerFactory::getInstance( 'authentication' );
        $this->passwordFactory = $passwordFactory;
        $this->centralIdLookup = $centralIdLookup;
        $this->setAuthManager( $authManager );
        $this->grantsInfo = $grantsInfo;
        $this->grantsLocalization = $grantsLocalization;
    }
 
    public function isListed() {
        return $this->getConfig()->get( MainConfigNames::EnableBotPasswords );
    }
 
    protected function getLoginSecurityLevel() {
        return $this->getName();
    }
 
    public function execute( $par ) {
        $this->getOutput()->disallowUserJs();
        $this->requireNamedUser();
        $this->addHelpLink( 'Manual:Bot_passwords' );
 
        if ( $par !== null ) {
            $par = trim( $par );
            if ( $par === '' ) {
                $par = null;
            } elseif ( strlen( $par ) > BotPassword::APPID_MAXLENGTH ) {
                throw new ErrorPageError(
                    'botpasswords', 'botpasswords-bad-appid', [ htmlspecialchars( $par ) ]
                );
            }
        }
 
        parent::execute( $par );
    }
 
    protected function checkExecutePermissions( User $user ) {
        parent::checkExecutePermissions( $user );
 
        if ( !$this->getConfig()->get( MainConfigNames::EnableBotPasswords ) ) {
            throw new ErrorPageError( 'botpasswords', 'botpasswords-disabled' );
        }
 
        $this->userId = $this->centralIdLookup->centralIdFromLocalUser( $this->getUser() );
        if ( !$this->userId ) {
            throw new ErrorPageError( 'botpasswords', 'botpasswords-no-central-id' );
        }
    }
 
    protected function getFormFields() {
        $fields = [];
 
        if ( $this->par !== null ) {
            $this->botPassword = BotPassword::newFromCentralId( $this->userId, $this->par );
            if ( !$this->botPassword ) {
                $this->botPassword = BotPassword::newUnsaved( [
                    'centralId' => $this->userId,
                    'appId' => $this->par,
                ] );
            }
 
            $sep = BotPassword::getSeparator();
            $fields[] = [
                'type' => 'info',
                'label-message' => 'username',
                'default' => $this->getUser()->getName() . $sep . $this->par
            ];
 
            if ( $this->botPassword->isSaved() ) {
                $fields['resetPassword'] = [
                    'type' => 'check',
                    'label-message' => 'botpasswords-label-resetpassword',
                ];
                if ( $this->botPassword->isInvalid() ) {
                    $fields['resetPassword']['default'] = true;
                }
            }
 
            $lang = $this->getLanguage();
            $showGrants = $this->grantsInfo->getValidGrants();
            $grantLinks = array_map( [ $this->grantsLocalization, 'getGrantsLink' ], $showGrants );
 
            $fields['grants'] = [
                'type' => 'checkmatrix',
                'label-message' => 'botpasswords-label-grants',
                'help-message' => 'botpasswords-help-grants',
                'columns' => [
                    $this->msg( 'botpasswords-label-grants-column' )->escaped() => 'grant'
                ],
                'rows' => array_combine(
                    $grantLinks,
                    $showGrants
                ),
                'default' => array_map(
                    static function ( $g ) {
                        return "grant-$g";
                    },
                    $this->botPassword->getGrants()
                ),
                'tooltips' => array_combine(
                    $grantLinks,
                    array_map(
                        static function ( $rights ) use ( $lang ) {
                            return $lang->semicolonList( array_map( [ User::class, 'getRightDescription' ], $rights ) );
                        },
                        array_intersect_key( $this->grantsInfo->getRightsByGrant(),
                            array_fill_keys( $showGrants, true ) )
                    )
                ),
                'force-options-on' => array_map(
                    static function ( $g ) {
                        return "grant-$g";
                    },
                    $this->grantsInfo->getHiddenGrants()
                ),
            ];
 
            $fields['restrictions'] = [
                'class' => HTMLRestrictionsField::class,
                'required' => true,
                'default' => $this->botPassword->getRestrictions(),
            ];
 
        } else {
            $linkRenderer = $this->getLinkRenderer();
 
            $dbr = BotPassword::getDB( DB_REPLICA );
            $res = $dbr->select(
                'bot_passwords',
                [ 'bp_app_id', 'bp_password' ],
                [ 'bp_user' => $this->userId ],
                __METHOD__
            );
            foreach ( $res as $row ) {
                try {
                    $password = $this->passwordFactory->newFromCiphertext( $row->bp_password );
                    $passwordInvalid = $password instanceof InvalidPassword;
                    unset( $password );
                } catch ( PasswordError $ex ) {
                    $passwordInvalid = true;
                }
 
                $text = $linkRenderer->makeKnownLink(
                    $this->getPageTitle( $row->bp_app_id ),
                    $row->bp_app_id
                );
                if ( $passwordInvalid ) {
                    $text .= $this->msg( 'word-separator' )->escaped()
                        . $this->msg( 'botpasswords-label-needsreset' )->parse();
                }
 
                $fields[] = [
                    'section' => 'existing',
                    'type' => 'info',
                    'raw' => true,
                    'default' => $text,
                ];
            }
 
            $fields['appId'] = [
                'section' => 'createnew',
                'type' => 'textwithbutton',
                'label-message' => 'botpasswords-label-appid',
                'buttondefault' => $this->msg( 'botpasswords-label-create' )->text(),
                'buttonflags' => [ 'progressive', 'primary' ],
                'required' => true,
                'size' => BotPassword::APPID_MAXLENGTH,
                'maxlength' => BotPassword::APPID_MAXLENGTH,
                'validation-callback' => static function ( $v ) {
                    $v = trim( $v );
                    return $v !== '' && strlen( $v ) <= BotPassword::APPID_MAXLENGTH;
                },
            ];
 
            $fields[] = [
                'type' => 'hidden',
                'default' => 'new',
                'name' => 'op',
            ];
        }
 
        return $fields;
    }
 
    protected function alterForm( HTMLForm $form ) {
        $form->setId( 'mw-botpasswords-form' );
        $form->setTableId( 'mw-botpasswords-table' );
        $form->addPreText( $this->msg( 'botpasswords-summary' )->parseAsBlock() );
        $form->suppressDefaultSubmit();
 
        if ( $this->par !== null ) {
            if ( $this->botPassword->isSaved() ) {
                $form->setWrapperLegendMsg( 'botpasswords-editexisting' );
                $form->addButton( [
                    'name' => 'op',
                    'value' => 'update',
                    'label-message' => 'botpasswords-label-update',
                    'flags' => [ 'primary', 'progressive' ],
                ] );
                $form->addButton( [
                    'name' => 'op',
                    'value' => 'delete',
                    'label-message' => 'botpasswords-label-delete',
                    'flags' => [ 'destructive' ],
                ] );
            } else {
                $form->setWrapperLegendMsg( 'botpasswords-createnew' );
                $form->addButton( [
                    'name' => 'op',
                    'value' => 'create',
                    'label-message' => 'botpasswords-label-create',
                    'flags' => [ 'primary', 'progressive' ],
                ] );
            }
 
            $form->addButton( [
                'name' => 'op',
                'value' => 'cancel',
                'label-message' => 'botpasswords-label-cancel'
            ] );
        }
    }
 
    public function onSubmit( array $data ) {
        $op = $this->getRequest()->getVal( 'op', '' );
 
        switch ( $op ) {
            case 'new':
                $this->getOutput()->redirect( $this->getPageTitle( $data['appId'] )->getFullURL() );
                return false;
 
            case 'create':
                $this->operation = 'insert';
                return $this->save( $data );
 
            case 'update':
                $this->operation = 'update';
                return $this->save( $data );
 
            case 'delete':
                $this->operation = 'delete';
                $bp = BotPassword::newFromCentralId( $this->userId, $this->par );
                if ( $bp ) {
                    $bp->delete();
                    $this->logger->info(
                        "Bot password {op} for {user}@{app_id}",
                        [
                            'app_id' => $this->par,
                            'user' => $this->getUser()->getName(),
                            'centralId' => $this->userId,
                            'op' => 'delete',
                            'client_ip' => $this->getRequest()->getIP()
                        ]
                    );
                }
                return Status::newGood();
 
            case 'cancel':
                $this->getOutput()->redirect( $this->getPageTitle()->getFullURL() );
                return false;
        }
 
        return false;
    }
 
    private function save( array $data ) {
        $bp = BotPassword::newUnsaved( [
            'centralId' => $this->userId,
            'appId' => $this->par,
            'restrictions' => $data['restrictions'],
            'grants' => array_merge(
                $this->grantsInfo->getHiddenGrants(),
                // @phan-suppress-next-next-line PhanTypeMismatchArgumentInternal See phan issue #3163,
                // it's probably failing to infer the type of $data['grants']
                preg_replace( '/^grant-/', '', $data['grants'] )
            )
        ] );
 
        if ( $bp === null ) {
            // Messages: botpasswords-insert-failed, botpasswords-update-failed
            return Status::newFatal( "botpasswords-{$this->operation}-failed", $this->par );
        }
 
        if ( $this->operation === 'insert' || !empty( $data['resetPassword'] ) ) {
            $this->password = BotPassword::generatePassword( $this->getConfig() );
            $password = $this->passwordFactory->newFromPlaintext( $this->password );
        } else {
            $password = null;
        }
 
        $res = $bp->save( $this->operation, $password );
 
        $success = $res->isGood();
 
        $this->logger->info(
            'Bot password {op} for {user}@{app_id} ' . ( $success ? 'succeeded' : 'failed' ),
            [
                'op' => $this->operation,
                'user' => $this->getUser()->getName(),
                'app_id' => $this->par,
                'centralId' => $this->userId,
                'restrictions' => $data['restrictions'],
                'grants' => $bp->getGrants(),
                'client_ip' => $this->getRequest()->getIP(),
                'success' => $success,
            ]
        );
 
        return $res;
    }
 
    public function onSuccess() {
        $out = $this->getOutput();
 
        $username = $this->getUser()->getName();
        switch ( $this->operation ) {
            case 'insert':
                $out->setPageTitle( $this->msg( 'botpasswords-created-title' )->text() );
                $out->addWikiMsg( 'botpasswords-created-body', $this->par, $username );
                break;
 
            case 'update':
                $out->setPageTitle( $this->msg( 'botpasswords-updated-title' )->text() );
                $out->addWikiMsg( 'botpasswords-updated-body', $this->par, $username );
                break;
 
            case 'delete':
                $out->setPageTitle( $this->msg( 'botpasswords-deleted-title' )->text() );
                $out->addWikiMsg( 'botpasswords-deleted-body', $this->par, $username );
                $this->password = null;
                break;
        }
 
        if ( $this->password !== null ) {
            $sep = BotPassword::getSeparator();
            $out->addWikiMsg(
                'botpasswords-newpassword',
                htmlspecialchars( $username . $sep . $this->par ),
                htmlspecialchars( $this->password ),
                htmlspecialchars( $username ),
                htmlspecialchars( $this->par . $sep . $this->password )
            );
            $this->password = null;
        }
 
        $out->addReturnTo( $this->getPageTitle() );
    }
 
    protected function getGroupName() {
        return 'users';
    }
 
    protected function getDisplayFormat() {
        return 'ooui';
    }
}