EmailFinisher.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Form\Domain\Finishers;
 
use Symfony\Component\Mime\Address;
use ‪TYPO3\CMS\Core\Mail\FluidEmail;
use ‪TYPO3\CMS\Core\Mail\MailerInterface;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\MathUtility;
use ‪TYPO3\CMS\Extbase\Domain\Model\FileReference;
use ‪TYPO3\CMS\Fluid\View\TemplatePaths;
use ‪TYPO3\CMS\Form\Domain\Finishers\Exception\FinisherException;
use ‪TYPO3\CMS\Form\Domain\Model\FormElements\FileUpload;
use ‪TYPO3\CMS\Form\Domain\Runtime\FormRuntime;
use ‪TYPO3\CMS\Form\Service\TranslationService;
use ‪TYPO3\CMS\Form\ViewHelpers\RenderRenderableViewHelper;
 
class ‪EmailFinisher extends ‪AbstractFinisher
{
    protected ‪$defaultOptions = [
        'recipientName' => '',
        'senderName' => '',
        'addHtmlPart' => true,
        'attachUploads' => true,
    ];
 
    protected function ‪executeInternal()
    {
        $languageBackup = null;
        // Flexform overrides write strings instead of integers so
        // we need to cast the string '0' to false.
        if (
            isset($this->options['addHtmlPart'])
            && $this->options['addHtmlPart'] === '0'
        ) {
            $this->options['addHtmlPart'] = false;
        }
 
        $subject = (string)$this->‪parseOption('subject');
        $recipients = $this->‪getRecipients('recipients');
        $senderAddress = $this->‪parseOption('senderAddress');
        $senderAddress = is_string($senderAddress) ? $senderAddress : '';
        $senderName = $this->‪parseOption('senderName');
        $senderName = is_string($senderName) ? $senderName : '';
        $replyToRecipients = $this->‪getRecipients('replyToRecipients');
        $carbonCopyRecipients = $this->‪getRecipients('carbonCopyRecipients');
        $blindCarbonCopyRecipients = $this->‪getRecipients('blindCarbonCopyRecipients');
        $addHtmlPart = $this->‪parseOption('addHtmlPart') ? true : false;
        $attachUploads = $this->‪parseOption('attachUploads');
        $title = (string)$this->‪parseOption('title') ?: $subject;
 
        if ($subject === '') {
            throw new ‪FinisherException('The option "subject" must be set for the EmailFinisher.', 1327060320);
        }
        if (empty($recipients)) {
            throw new ‪FinisherException('The option "recipients" must be set for the EmailFinisher.', 1327060200);
        }
        if (empty($senderAddress)) {
            throw new ‪FinisherException('The option "senderAddress" must be set for the EmailFinisher.', 1327060210);
        }
 
        $formRuntime = $this->finisherContext->getFormRuntime();
 
        $translationService = GeneralUtility::makeInstance(TranslationService::class);
        if (is_string($this->options['translation']['language'] ?? null) && $this->options['translation']['language'] !== '') {
            $languageBackup = $translationService->getLanguage();
            $translationService->setLanguage($this->options['translation']['language']);
        }
 
        $mail = $this
            ->initializeFluidEmail($formRuntime)
            ->from(new Address($senderAddress, $senderName))
            ->to(...$recipients)
            ->subject($subject)
            ->format($addHtmlPart ? ‪FluidEmail::FORMAT_BOTH : ‪FluidEmail::FORMAT_PLAIN)
            ->assign('title', $title);
 
        if (!empty($replyToRecipients)) {
            $mail->replyTo(...$replyToRecipients);
        }
 
        if (!empty($carbonCopyRecipients)) {
            $mail->cc(...$carbonCopyRecipients);
        }
 
        if (!empty($blindCarbonCopyRecipients)) {
            $mail->bcc(...$blindCarbonCopyRecipients);
        }
 
        if (!empty($languageBackup)) {
            $translationService->setLanguage($languageBackup);
        }
 
        if ($attachUploads) {
            foreach ($formRuntime->getFormDefinition()->getRenderablesRecursively() as $element) {
                if (!$element instanceof ‪FileUpload) {
                    continue;
                }
                $file = $formRuntime[$element->getIdentifier()];
                if ($file) {
                    if ($file instanceof ‪FileReference) {
                        $file = $file->getOriginalResource();
                    }
                    $mail->attach($file->getContents(), $file->getName(), $file->getMimeType());
                }
            }
        }
 
        // TODO: DI should be used to inject the MailerInterface
        GeneralUtility::makeInstance(MailerInterface::class)->send($mail);
    }
 
    protected function ‪initializeFluidEmail(‪FormRuntime $formRuntime): ‪FluidEmail
    {
        $templateConfiguration = ‪$GLOBALS['TYPO3_CONF_VARS']['MAIL'];
 
        if (is_array($this->options['templateRootPaths'] ?? null)) {
            $templateConfiguration['templateRootPaths'] = array_replace_recursive(
                $templateConfiguration['templateRootPaths'],
                $this->options['templateRootPaths']
            );
            ksort($templateConfiguration['templateRootPaths']);
        }
 
        if (is_array($this->options['partialRootPaths'] ?? null)) {
            $templateConfiguration['partialRootPaths'] = array_replace_recursive(
                $templateConfiguration['partialRootPaths'],
                $this->options['partialRootPaths']
            );
            ksort($templateConfiguration['partialRootPaths']);
        }
 
        if (is_array($this->options['layoutRootPaths'] ?? null)) {
            $templateConfiguration['layoutRootPaths'] = array_replace_recursive(
                $templateConfiguration['layoutRootPaths'],
                $this->options['layoutRootPaths']
            );
            ksort($templateConfiguration['layoutRootPaths']);
        }
 
        $fluidEmail = GeneralUtility::makeInstance(
            FluidEmail::class,
            GeneralUtility::makeInstance(TemplatePaths::class, $templateConfiguration)
        );
 
        if (!isset($this->options['templateName']) || $this->options['templateName'] === '') {
            throw new ‪FinisherException('The option "templateName" must be set to use FluidEmail.', 1599834020);
        }
 
        // Migrate old template name to default FluidEmail name
        if ($this->options['templateName'] === '{@format}.html') {
            $this->options['templateName'] = 'Default';
        }
 
        $fluidEmail
            ->setRequest($this->finisherContext->getRequest())
            ->setTemplate($this->options['templateName'])
            ->assignMultiple([
                'finisherVariableProvider' => $this->finisherContext->getFinisherVariableProvider(),
                'form' => $formRuntime,
            ]);
 
        if (is_array($this->options['variables'] ?? null)) {
            $fluidEmail->assignMultiple($this->options['variables']);
        }
 
        $fluidEmail
            ->getViewHelperVariableContainer()
            ->addOrUpdate(RenderRenderableViewHelper::class, 'formRuntime', $formRuntime);
 
        return $fluidEmail;
    }
 
    protected function ‪getRecipients(string $listOption): array
    {
        $recipients = $this->‪parseOption($listOption) ?? [];
        if (!is_array($recipients) || $recipients === []) {
            return [];
        }
 
        $addresses = [];
        foreach ($recipients as $address => $name) {
            // The if is needed to set address and name with TypoScript
            if (‪MathUtility::canBeInterpretedAsInteger($address)) {
                if (is_array($name)) {
                    $address = $name[0] ?? '';
                    $name = $name[1] ?? '';
                } else {
                    $address = $name;
                    $name = '';
                }
            }
 
            if (!GeneralUtility::validEmail($address)) {
                // Drop entries without valid address
                continue;
            }
            $addresses[] = new Address($address, $name);
        }
        return $addresses;
    }
}