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<?php |
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|
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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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|
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namespace Symfony\Component\Mime; |
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|
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use Symfony\Component\Mime\Exception\RuntimeException; |
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use Symfony\Component\Mime\Part\DataPart; |
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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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/** |
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* @author Fabien Potencier <fabien@symfony.com> |
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*/ |
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final class MessageConverter |
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{ |
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/** |
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* @throws RuntimeException when unable to convert the message to an email |
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*/ |
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public static function toEmail(Message $message): Email |
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{ |
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if ($message instanceof Email) { |
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return $message; |
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} |
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|
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// try to convert to a "simple" Email instance |
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$body = $message->getBody(); |
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if ($body instanceof TextPart) { |
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return self::createEmailFromTextPart($message, $body); |
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} |
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|
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if ($body instanceof AlternativePart) { |
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return self::createEmailFromAlternativePart($message, $body); |
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} |
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|
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if ($body instanceof RelatedPart) { |
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return self::createEmailFromRelatedPart($message, $body); |
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} |
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|
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if ($body instanceof MixedPart) { |
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$parts = $body->getParts(); |
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if ($parts[0] instanceof RelatedPart) { |
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$email = self::createEmailFromRelatedPart($message, $parts[0]); |
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} elseif ($parts[0] instanceof AlternativePart) { |
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$email = self::createEmailFromAlternativePart($message, $parts[0]); |
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} elseif ($parts[0] instanceof TextPart) { |
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$email = self::createEmailFromTextPart($message, $parts[0]); |
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} else { |
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message))); |
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} |
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|
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return self::attachParts($email, \array_slice($parts, 1)); |
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} |
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|
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message))); |
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} |
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|
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private static function createEmailFromTextPart(Message $message, TextPart $part): Email |
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{ |
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if ('text' === $part->getMediaType() && 'plain' === $part->getMediaSubtype()) { |
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return (new Email(clone $message->getHeaders()))->text($part->getBody(), $part->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8'); |
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} |
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if ('text' === $part->getMediaType() && 'html' === $part->getMediaSubtype()) { |
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return (new Email(clone $message->getHeaders()))->html($part->getBody(), $part->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8'); |
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} |
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|
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message))); |
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} |
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|
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private static function createEmailFromAlternativePart(Message $message, AlternativePart $part): Email |
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{ |
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$parts = $part->getParts(); |
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if ( |
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2 === \count($parts) && |
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$parts[0] instanceof TextPart && 'text' === $parts[0]->getMediaType() && 'plain' === $parts[0]->getMediaSubtype() && |
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$parts[1] instanceof TextPart && 'text' === $parts[1]->getMediaType() && 'html' === $parts[1]->getMediaSubtype() |
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) { |
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return (new Email(clone $message->getHeaders())) |
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->text($parts[0]->getBody(), $parts[0]->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8') |
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->html($parts[1]->getBody(), $parts[1]->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8') |
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; |
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} |
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|
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message))); |
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} |
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|
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private static function createEmailFromRelatedPart(Message $message, RelatedPart $part): Email |
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{ |
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$parts = $part->getParts(); |
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if ($parts[0] instanceof AlternativePart) { |
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$email = self::createEmailFromAlternativePart($message, $parts[0]); |
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} elseif ($parts[0] instanceof TextPart) { |
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$email = self::createEmailFromTextPart($message, $parts[0]); |
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} else { |
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message))); |
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} |
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|
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return self::attachParts($email, \array_slice($parts, 1)); |
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} |
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|
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private static function attachParts(Email $email, array $parts): Email |
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{ |
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foreach ($parts as $part) { |
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if (!$part instanceof DataPart) { |
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throw new RuntimeException(sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($email))); |
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} |
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|
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$headers = $part->getPreparedHeaders(); |
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$method = 'inline' === $headers->getHeaderBody('Content-Disposition') ? 'embed' : 'attach'; |
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$name = $headers->getHeaderParameter('Content-Disposition', 'filename'); |
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$email->$method($part->getBody(), $name, $part->getMediaType().'/'.$part->getMediaSubtype()); |
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} |
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|
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return $email; |
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} |
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} |
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