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