592 lines
15 KiB
PHP
592 lines
15 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Mime;
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use Symfony\Component\Mime\Exception\LogicException;
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use Symfony\Component\Mime\Part\AbstractPart;
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use Symfony\Component\Mime\Part\DataPart;
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use Symfony\Component\Mime\Part\File;
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use Symfony\Component\Mime\Part\Multipart\AlternativePart;
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use Symfony\Component\Mime\Part\Multipart\MixedPart;
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use Symfony\Component\Mime\Part\Multipart\RelatedPart;
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use Symfony\Component\Mime\Part\TextPart;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Email extends Message
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{
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public const PRIORITY_HIGHEST = 1;
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public const PRIORITY_HIGH = 2;
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public const PRIORITY_NORMAL = 3;
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public const PRIORITY_LOW = 4;
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public const PRIORITY_LOWEST = 5;
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private const PRIORITY_MAP = [
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self::PRIORITY_HIGHEST => 'Highest',
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self::PRIORITY_HIGH => 'High',
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self::PRIORITY_NORMAL => 'Normal',
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self::PRIORITY_LOW => 'Low',
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self::PRIORITY_LOWEST => 'Lowest',
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];
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/**
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* @var resource|string|null
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*/
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private $text;
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private ?string $textCharset = null;
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/**
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* @var resource|string|null
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*/
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private $html;
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private ?string $htmlCharset = null;
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private array $attachments = [];
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private ?AbstractPart $cachedBody = null; // Used to avoid wrong body hash in DKIM signatures with multiple parts (e.g. HTML + TEXT) due to multiple boundaries.
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/**
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* @return $this
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*/
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public function subject(string $subject): static
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{
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return $this->setHeaderBody('Text', 'Subject', $subject);
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}
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public function getSubject(): ?string
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{
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return $this->getHeaders()->getHeaderBody('Subject');
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}
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/**
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* @return $this
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*/
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public function date(\DateTimeInterface $dateTime): static
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{
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return $this->setHeaderBody('Date', 'Date', $dateTime);
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}
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public function getDate(): ?\DateTimeImmutable
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{
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return $this->getHeaders()->getHeaderBody('Date');
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}
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/**
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* @return $this
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*/
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public function returnPath(Address|string $address): static
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{
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return $this->setHeaderBody('Path', 'Return-Path', Address::create($address));
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}
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public function getReturnPath(): ?Address
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{
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return $this->getHeaders()->getHeaderBody('Return-Path');
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}
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/**
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* @return $this
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*/
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public function sender(Address|string $address): static
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{
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return $this->setHeaderBody('Mailbox', 'Sender', Address::create($address));
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}
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public function getSender(): ?Address
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{
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return $this->getHeaders()->getHeaderBody('Sender');
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}
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/**
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* @return $this
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*/
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public function addFrom(Address|string ...$addresses): static
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{
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return $this->addListAddressHeaderBody('From', $addresses);
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}
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/**
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* @return $this
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*/
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public function from(Address|string ...$addresses): static
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{
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if (!$addresses) {
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throw new LogicException('"from()" must be called with at least one address.');
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}
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return $this->setListAddressHeaderBody('From', $addresses);
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}
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/**
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* @return Address[]
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*/
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public function getFrom(): array
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{
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return $this->getHeaders()->getHeaderBody('From') ?: [];
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}
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/**
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* @return $this
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*/
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public function addReplyTo(Address|string ...$addresses): static
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{
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return $this->addListAddressHeaderBody('Reply-To', $addresses);
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}
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/**
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* @return $this
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*/
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public function replyTo(Address|string ...$addresses): static
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{
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return $this->setListAddressHeaderBody('Reply-To', $addresses);
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}
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/**
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* @return Address[]
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*/
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public function getReplyTo(): array
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{
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return $this->getHeaders()->getHeaderBody('Reply-To') ?: [];
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}
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/**
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* @return $this
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*/
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public function addTo(Address|string ...$addresses): static
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{
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return $this->addListAddressHeaderBody('To', $addresses);
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}
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/**
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* @return $this
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*/
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public function to(Address|string ...$addresses): static
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{
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return $this->setListAddressHeaderBody('To', $addresses);
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}
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/**
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* @return Address[]
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*/
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public function getTo(): array
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{
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return $this->getHeaders()->getHeaderBody('To') ?: [];
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}
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/**
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* @return $this
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*/
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public function addCc(Address|string ...$addresses): static
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{
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return $this->addListAddressHeaderBody('Cc', $addresses);
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}
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/**
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* @return $this
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*/
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public function cc(Address|string ...$addresses): static
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{
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return $this->setListAddressHeaderBody('Cc', $addresses);
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}
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/**
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* @return Address[]
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*/
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public function getCc(): array
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{
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return $this->getHeaders()->getHeaderBody('Cc') ?: [];
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}
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/**
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* @return $this
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*/
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public function addBcc(Address|string ...$addresses): static
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{
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return $this->addListAddressHeaderBody('Bcc', $addresses);
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}
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/**
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* @return $this
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*/
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public function bcc(Address|string ...$addresses): static
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{
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return $this->setListAddressHeaderBody('Bcc', $addresses);
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}
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/**
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* @return Address[]
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*/
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public function getBcc(): array
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{
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return $this->getHeaders()->getHeaderBody('Bcc') ?: [];
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}
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/**
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* Sets the priority of this message.
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*
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* The value is an integer where 1 is the highest priority and 5 is the lowest.
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*
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* @return $this
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*/
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public function priority(int $priority): static
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{
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if ($priority > 5) {
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$priority = 5;
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} elseif ($priority < 1) {
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$priority = 1;
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}
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return $this->setHeaderBody('Text', 'X-Priority', sprintf('%d (%s)', $priority, self::PRIORITY_MAP[$priority]));
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}
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/**
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* Get the priority of this message.
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*
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* The returned value is an integer where 1 is the highest priority and 5
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* is the lowest.
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*/
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public function getPriority(): int
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{
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[$priority] = sscanf($this->getHeaders()->getHeaderBody('X-Priority') ?? '', '%[1-5]');
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return $priority ?? 3;
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}
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/**
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* @param resource|string|null $body
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*
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* @return $this
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*/
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public function text($body, string $charset = 'utf-8'): static
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{
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if (null !== $body && !\is_string($body) && !\is_resource($body)) {
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throw new \TypeError(sprintf('The body must be a string, a resource or null (got "%s").', get_debug_type($body)));
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}
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$this->cachedBody = null;
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$this->text = $body;
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$this->textCharset = $charset;
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return $this;
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}
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/**
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* @return resource|string|null
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*/
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public function getTextBody()
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{
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return $this->text;
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}
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public function getTextCharset(): ?string
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{
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return $this->textCharset;
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}
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/**
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* @param resource|string|null $body
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*
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* @return $this
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*/
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public function html($body, string $charset = 'utf-8'): static
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{
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if (null !== $body && !\is_string($body) && !\is_resource($body)) {
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throw new \TypeError(sprintf('The body must be a string, a resource or null (got "%s").', get_debug_type($body)));
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}
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$this->cachedBody = null;
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$this->html = $body;
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$this->htmlCharset = $charset;
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return $this;
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}
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/**
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* @return resource|string|null
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*/
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public function getHtmlBody()
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{
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return $this->html;
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}
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public function getHtmlCharset(): ?string
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{
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return $this->htmlCharset;
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}
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/**
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* @param resource|string $body
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*
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* @return $this
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*/
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public function attach($body, ?string $name = null, ?string $contentType = null): static
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{
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return $this->addPart(new DataPart($body, $name, $contentType));
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}
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/**
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* @return $this
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*/
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public function attachFromPath(string $path, ?string $name = null, ?string $contentType = null): static
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{
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return $this->addPart(new DataPart(new File($path), $name, $contentType));
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}
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/**
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* @param resource|string $body
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*
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* @return $this
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*/
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public function embed($body, ?string $name = null, ?string $contentType = null): static
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{
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return $this->addPart((new DataPart($body, $name, $contentType))->asInline());
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}
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/**
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* @return $this
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*/
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public function embedFromPath(string $path, ?string $name = null, ?string $contentType = null): static
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{
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return $this->addPart((new DataPart(new File($path), $name, $contentType))->asInline());
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}
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/**
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* @return $this
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*
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* @deprecated since Symfony 6.2, use addPart() instead
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*/
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public function attachPart(DataPart $part): static
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{
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@trigger_deprecation('symfony/mime', '6.2', 'The "%s()" method is deprecated, use "addPart()" instead.', __METHOD__);
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return $this->addPart($part);
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}
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/**
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* @return $this
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*/
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public function addPart(DataPart $part): static
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{
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$this->cachedBody = null;
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$this->attachments[] = $part;
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return $this;
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}
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/**
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* @return DataPart[]
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*/
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public function getAttachments(): array
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{
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return $this->attachments;
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}
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public function getBody(): AbstractPart
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{
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if (null !== $body = parent::getBody()) {
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return $body;
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}
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return $this->generateBody();
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}
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/**
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* @return void
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*/
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public function ensureValidity()
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{
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$this->ensureBodyValid();
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if ('1' === $this->getHeaders()->getHeaderBody('X-Unsent')) {
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throw new LogicException('Cannot send messages marked as "draft".');
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}
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parent::ensureValidity();
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}
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private function ensureBodyValid(): void
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{
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if (null === $this->text && null === $this->html && !$this->attachments) {
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throw new LogicException('A message must have a text or an HTML part or attachments.');
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}
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}
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/**
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* Generates an AbstractPart based on the raw body of a message.
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*
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* The most "complex" part generated by this method is when there is text and HTML bodies
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* with related images for the HTML part and some attachments:
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*
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* multipart/mixed
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* |
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* |------------> multipart/related
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* | |
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* | |------------> multipart/alternative
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* | | |
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* | | ------------> text/plain (with content)
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* | | |
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* | | ------------> text/html (with content)
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* | |
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* | ------------> image/png (with content)
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* |
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* ------------> application/pdf (with content)
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*/
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private function generateBody(): AbstractPart
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{
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if (null !== $this->cachedBody) {
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return $this->cachedBody;
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}
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$this->ensureBodyValid();
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[$htmlPart, $otherParts, $relatedParts] = $this->prepareParts();
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$part = null === $this->text ? null : new TextPart($this->text, $this->textCharset);
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if (null !== $htmlPart) {
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if (null !== $part) {
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$part = new AlternativePart($part, $htmlPart);
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} else {
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$part = $htmlPart;
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}
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}
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if ($relatedParts) {
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$part = new RelatedPart($part, ...$relatedParts);
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}
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if ($otherParts) {
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if ($part) {
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$part = new MixedPart($part, ...$otherParts);
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} else {
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$part = new MixedPart(...$otherParts);
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}
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}
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return $this->cachedBody = $part;
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}
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private function prepareParts(): ?array
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{
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$names = [];
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$htmlPart = null;
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$html = $this->html;
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if (null !== $html) {
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$htmlPart = new TextPart($html, $this->htmlCharset, 'html');
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$html = $htmlPart->getBody();
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$regexes = [
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'<img\s+[^>]*src\s*=\s*(?:([\'"])cid:(.+?)\\1|cid:([^>\s]+))',
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'<\w+\s+[^>]*background\s*=\s*(?:([\'"])cid:(.+?)\\1|cid:([^>\s]+))',
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];
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$tmpMatches = [];
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foreach ($regexes as $regex) {
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preg_match_all('/'.$regex.'/i', $html, $tmpMatches);
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$names = array_merge($names, $tmpMatches[2], $tmpMatches[3]);
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}
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$names = array_filter(array_unique($names));
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}
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$otherParts = $relatedParts = [];
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foreach ($this->attachments as $part) {
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foreach ($names as $name) {
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if ($name !== $part->getName() && (!$part->hasContentId() || $name !== $part->getContentId())) {
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continue;
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}
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if (isset($relatedParts[$name])) {
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continue 2;
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}
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if ($name !== $part->getContentId()) {
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$html = str_replace('cid:'.$name, 'cid:'.$part->getContentId(), $html, $count);
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}
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$relatedParts[$name] = $part;
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$part->setName($part->getContentId())->asInline();
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continue 2;
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}
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$otherParts[] = $part;
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}
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if (null !== $htmlPart) {
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$htmlPart = new TextPart($html, $this->htmlCharset, 'html');
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}
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return [$htmlPart, $otherParts, array_values($relatedParts)];
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}
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/**
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* @return $this
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*/
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private function setHeaderBody(string $type, string $name, $body): static
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{
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$this->getHeaders()->setHeaderBody($type, $name, $body);
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return $this;
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}
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/**
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* @return $this
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*/
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private function addListAddressHeaderBody(string $name, array $addresses): static
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{
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if (!$header = $this->getHeaders()->get($name)) {
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return $this->setListAddressHeaderBody($name, $addresses);
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}
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$header->addAddresses(Address::createArray($addresses));
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return $this;
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}
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/**
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* @return $this
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*/
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private function setListAddressHeaderBody(string $name, array $addresses): static
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{
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$addresses = Address::createArray($addresses);
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$headers = $this->getHeaders();
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if ($header = $headers->get($name)) {
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$header->setAddresses($addresses);
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} else {
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$headers->addMailboxListHeader($name, $addresses);
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}
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return $this;
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}
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/**
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* @internal
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*/
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public function __serialize(): array
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{
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if (\is_resource($this->text)) {
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$this->text = (new TextPart($this->text))->getBody();
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}
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if (\is_resource($this->html)) {
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$this->html = (new TextPart($this->html))->getBody();
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}
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return [$this->text, $this->textCharset, $this->html, $this->htmlCharset, $this->attachments, parent::__serialize()];
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}
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/**
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* @internal
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*/
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public function __unserialize(array $data): void
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{
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[$this->text, $this->textCharset, $this->html, $this->htmlCharset, $this->attachments, $parentData] = $data;
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parent::__unserialize($parentData);
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}
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}
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