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580 lines
15 KiB
580 lines
15 KiB
<?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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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 $this->generateBody(); |
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} |
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public function ensureValidity(): void |
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{ |
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$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 && null === parent::getBody()) { |
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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(), $html); |
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} |
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$relatedParts[$name] = $part; |
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$part->setName($part->getName() ?? $part->getContentId())->asInline(); |
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continue 2; |
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} |
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$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 $data): void |
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{ |
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if (($data[1] ?? null) instanceof \Stringable || ($data[3] ?? null) instanceof \Stringable) { |
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throw new \BadMethodCallException('Cannot unserialize '.self::class); |
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} |
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[$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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