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<?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\Header\Headers;
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use Symfony\Component\Mime\Part\AbstractPart;
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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 Message extends RawMessage
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{
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private Headers $headers;
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private ?AbstractPart $body;
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public function __construct(Headers $headers = null, AbstractPart $body = null)
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{
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$this->headers = $headers ? clone $headers : new Headers();
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$this->body = $body;
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}
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public function __clone()
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{
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$this->headers = clone $this->headers;
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if (null !== $this->body) {
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$this->body = clone $this->body;
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}
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}
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/**
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* @return $this
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*/
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public function setBody(AbstractPart $body = null): static
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{
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if (1 > \func_num_args()) {
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trigger_deprecation('symfony/mime', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
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}
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$this->body = $body;
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return $this;
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}
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public function getBody(): ?AbstractPart
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{
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return $this->body;
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}
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/**
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* @return $this
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*/
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public function setHeaders(Headers $headers): static
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{
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$this->headers = $headers;
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return $this;
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}
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public function getHeaders(): Headers
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{
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return $this->headers;
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}
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public function getPreparedHeaders(): Headers
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{
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$headers = clone $this->headers;
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if (!$headers->has('From')) {
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if (!$headers->has('Sender')) {
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throw new LogicException('An email must have a "From" or a "Sender" header.');
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}
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$headers->addMailboxListHeader('From', [$headers->get('Sender')->getAddress()]);
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}
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if (!$headers->has('MIME-Version')) {
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$headers->addTextHeader('MIME-Version', '1.0');
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}
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if (!$headers->has('Date')) {
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$headers->addDateHeader('Date', new \DateTimeImmutable());
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}
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// determine the "real" sender
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if (!$headers->has('Sender') && \count($froms = $headers->get('From')->getAddresses()) > 1) {
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$headers->addMailboxHeader('Sender', $froms[0]);
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}
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if (!$headers->has('Message-ID')) {
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$headers->addIdHeader('Message-ID', $this->generateMessageId());
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}
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// remove the Bcc field which should NOT be part of the sent message
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$headers->remove('Bcc');
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return $headers;
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}
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public function toString(): string
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{
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if (null === $body = $this->getBody()) {
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$body = new TextPart('');
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}
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return $this->getPreparedHeaders()->toString().$body->toString();
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}
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public function toIterable(): iterable
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{
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if (null === $body = $this->getBody()) {
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$body = new TextPart('');
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}
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yield $this->getPreparedHeaders()->toString();
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yield from $body->toIterable();
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}
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public function ensureValidity()
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{
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if (!$this->headers->has('To') && !$this->headers->has('Cc') && !$this->headers->has('Bcc')) {
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throw new LogicException('An email must have a "To", "Cc", or "Bcc" header.');
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}
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if (!$this->headers->has('From') && !$this->headers->has('Sender')) {
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throw new LogicException('An email must have a "From" or a "Sender" header.');
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}
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parent::ensureValidity();
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}
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public function generateMessageId(): string
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{
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if ($this->headers->has('Sender')) {
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$sender = $this->headers->get('Sender')->getAddress();
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} elseif ($this->headers->has('From')) {
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$sender = $this->headers->get('From')->getAddresses()[0];
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} else {
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throw new LogicException('An email must have a "From" or a "Sender" header.');
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}
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return bin2hex(random_bytes(16)).strstr($sender->getAddress(), '@');
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}
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public function __serialize(): array
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{
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return [$this->headers, $this->body];
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}
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public function __unserialize(array $data): void
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{
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[$this->headers, $this->body] = $data;
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}
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}
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