Part-DB.Part-DB-server/src/Services/LabelSystem/SandboxedTwigFactory.php

209 lines
9.6 KiB
PHP

<?php
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
/**
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace App\Services\LabelSystem;
use App\Entity\Attachments\Attachment;
use App\Entity\Attachments\AttachmentContainingDBElement;
use App\Entity\Base\AbstractCompany;
use App\Entity\Base\AbstractDBElement;
use App\Entity\Base\AbstractStructuralDBElement;
use App\Entity\Contracts\NamedElementInterface;
use App\Entity\Contracts\TimeStampableInterface;
use App\Entity\LabelSystem\LabelOptions;
use App\Entity\LabelSystem\LabelProcessMode;
use App\Entity\Parameters\AbstractParameter;
use App\Entity\Parts\InfoProviderReference;
use App\Entity\Parts\MeasurementUnit;
use App\Entity\Parts\Part;
use App\Entity\Parts\PartAssociation;
use App\Entity\Parts\PartLot;
use App\Entity\Parts\StorageLocation;
use App\Entity\Parts\Supplier;
use App\Entity\PriceInformations\Currency;
use App\Entity\PriceInformations\Orderdetail;
use App\Entity\PriceInformations\Pricedetail;
use App\Entity\UserSystem\User;
use App\Twig\BarcodeExtension;
use App\Twig\EntityExtension;
use App\Twig\FormatExtension;
use App\Twig\Sandbox\InheritanceSecurityPolicy;
use App\Twig\Sandbox\SandboxedLabelExtension;
use App\Twig\TwigCoreExtension;
use InvalidArgumentException;
use Twig\Environment;
use Twig\Extension\SandboxExtension;
use Twig\Extra\Html\HtmlExtension;
use Twig\Extra\Intl\IntlExtension;
use Twig\Extra\Markdown\MarkdownExtension;
use Twig\Extra\String\StringExtension;
use Twig\Loader\ArrayLoader;
use Twig\Sandbox\SecurityPolicyInterface;
/**
* This service creates a sandboxed twig environment for the label system.
* @see \App\Tests\Services\LabelSystem\SandboxedTwigFactoryTest
*/
final class SandboxedTwigFactory
{
private const ALLOWED_TAGS = ['apply', 'autoescape', 'do', 'for', 'if', 'set', 'verbatim', 'with'];
private const ALLOWED_FILTERS = ['abs', 'batch', 'capitalize', 'column', 'country_name',
'currency_name', 'currency_symbol', 'date', 'date_modify', 'data_uri', 'default', 'escape', 'filter', 'first', 'format',
'format_currency', 'format_date', 'format_datetime', 'format_number', 'format_time', 'html_to_markdown', 'join', 'keys',
'language_name', 'last', 'length', 'locale_name', 'lower', 'map', 'markdown_to_html', 'merge', 'nl2br', 'raw', 'number_format',
'reduce', 'replace', 'reverse', 'round', 'slice', 'slug', 'sort', 'spaceless', 'split', 'striptags', 'timezone_name', 'title',
'trim', 'u', 'upper', 'url_encode',
//Part-DB specific filters:
//FormatExtension:
'format_money', 'format_si', 'format_amount', 'format_bytes',
//SandboxedLabelExtension
'placeholders',
];
private const ALLOWED_FUNCTIONS = ['country_names', 'country_timezones', 'currency_names', 'cycle',
'date', 'html_classes', 'language_names', 'locale_names', 'max', 'min', 'random', 'range', 'script_names',
'template_from_string', 'timezone_names',
//Part-DB specific extensions:
//EntityExtension:
'entity_type', 'entity_url',
//BarcodeExtension:
'barcode_svg',
//SandboxedLabelExtension
'placeholder',
];
private const ALLOWED_METHODS = [
NamedElementInterface::class => ['getName'],
AbstractDBElement::class => ['getID', '__toString'],
TimeStampableInterface::class => ['getLastModified', 'getAddedDate'],
AbstractStructuralDBElement::class => ['isChildOf', 'isRoot', 'getParent', 'getComment', 'getLevel',
'getFullPath', 'getPathArray', 'getSubelements', 'getChildren', 'isNotSelectable', ],
AbstractCompany::class => ['getAddress', 'getPhoneNumber', 'getFaxNumber', 'getEmailAddress', 'getWebsite', 'getAutoProductUrl'],
AttachmentContainingDBElement::class => ['getAttachments', 'getMasterPictureAttachment'],
Attachment::class => ['isPicture', 'is3DModel', 'isExternal', 'isSecure', 'isBuiltIn', 'getExtension',
'getElement', 'getURL', 'getHost', 'getFilename', 'getAttachmentType', 'getShowInTable', ],
AbstractParameter::class => ['getFormattedValue', 'getGroup', 'getSymbol', 'getValueMin', 'getValueMax',
'getValueTypical', 'getUnit', 'getValueText', ],
MeasurementUnit::class => ['getUnit', 'isInteger', 'useSIPrefix'],
PartLot::class => ['isExpired', 'getDescription', 'getComment', 'getExpirationDate', 'getStorageLocation',
'getPart', 'isInstockUnknown', 'getAmount', 'getNeedsRefill', 'getVendorBarcode'],
StorageLocation::class => ['isFull', 'isOnlySinglePart', 'isLimitToExistingParts', 'getStorageType'],
Supplier::class => ['getShippingCosts', 'getDefaultCurrency'],
Part::class => ['isNeedsReview', 'getTags', 'getMass', 'getIpn', 'getProviderReference',
'getDescription', 'getComment', 'isFavorite', 'getCategory', 'getFootprint',
'getPartLots', 'getPartUnit', 'useFloatAmount', 'getMinAmount', 'getAmountSum', 'isNotEnoughInstock', 'isAmountUnknown', 'getExpiredAmountSum',
'getManufacturerProductUrl', 'getCustomProductURL', 'getManufacturingStatus', 'getManufacturer',
'getManufacturerProductNumber', 'getOrderdetails', 'isObsolete',
'getParameters', 'getGroupedParameters',
'isProjectBuildPart', 'getBuiltProject',
'getAssociatedPartsAsOwner', 'getAssociatedPartsAsOther', 'getAssociatedPartsAll',
'getEdaInfo'
],
Currency::class => ['getIsoCode', 'getInverseExchangeRate', 'getExchangeRate'],
Orderdetail::class => ['getPart', 'getSupplier', 'getSupplierPartNr', 'getObsolete',
'getPricedetails', 'findPriceForQty', 'isObsolete', 'getSupplierProductUrl'],
Pricedetail::class => ['getOrderdetail', 'getPrice', 'getPricePerUnit', 'getPriceRelatedQuantity',
'getMinDiscountQuantity', 'getCurrency', 'getCurrencyISOCode'],
InfoProviderReference:: class => ['getProviderKey', 'getProviderId', 'getProviderUrl', 'getLastUpdated', 'isProviderCreated'],
PartAssociation::class => ['getType', 'getComment', 'getOwner', 'getOther', 'getOtherType'],
//Only allow very little information about users...
User::class => ['isAnonymousUser', 'getUsername', 'getFullName', 'getFirstName', 'getLastName',
'getDepartment', 'getEmail', ],
];
private const ALLOWED_PROPERTIES = [];
public function __construct(
private readonly FormatExtension $formatExtension,
private readonly BarcodeExtension $barcodeExtension,
private readonly EntityExtension $entityExtension,
private readonly TwigCoreExtension $twigCoreExtension,
private readonly SandboxedLabelExtension $sandboxedLabelExtension,
)
{
}
public function createTwig(LabelOptions $options): Environment
{
if (LabelProcessMode::TWIG !== $options->getProcessMode()) {
throw new InvalidArgumentException('The LabelOptions must explicitly allow twig via lines_mode = "twig"!');
}
$loader = new ArrayLoader([
'lines' => $options->getLines(),
]);
$twig = new Environment($loader);
//Second argument activate sandbox globally.
$sandbox = new SandboxExtension($this->getSecurityPolicy(), true);
$twig->addExtension($sandbox);
//Add IntlExtension
$twig->addExtension(new IntlExtension());
$twig->addExtension(new MarkdownExtension());
$twig->addExtension(new StringExtension());
$twig->addExtension(new HtmlExtension());
//Add Part-DB specific extension
$twig->addExtension($this->formatExtension);
$twig->addExtension($this->barcodeExtension);
$twig->addExtension($this->entityExtension);
$twig->addExtension($this->twigCoreExtension);
$twig->addExtension($this->sandboxedLabelExtension);
return $twig;
}
private function getSecurityPolicy(): SecurityPolicyInterface
{
return new InheritanceSecurityPolicy(
self::ALLOWED_TAGS,
self::ALLOWED_FILTERS,
self::ALLOWED_METHODS,
self::ALLOWED_PROPERTIES,
self::ALLOWED_FUNCTIONS
);
}
}