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<?php |
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/** |
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* MtMail - e-mail module for Zend Framework |
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* |
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* @link http://github.com/mtymek/MtMail |
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* @copyright Copyright (c) 2013-2017 Mateusz Tymek |
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* @license BSD 2-Clause |
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*/ |
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namespace MtMail\ComposerPlugin; |
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use MtMail\Event\ComposerEvent; |
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use Zend\EventManager\AbstractListenerAggregate; |
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use Zend\EventManager\EventManagerInterface; |
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use Zend\Mime\Part as MimePart; |
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class PlaintextMessage extends AbstractListenerAggregate implements PluginInterface |
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{ |
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/** |
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* (c) http://php.net/nl2br#86678 |
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* |
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* @param $string |
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* @return mixed |
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*/ |
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private function br2nl($string) |
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{ |
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return preg_replace('/\<br(\s*)?\/?\>/i', "\n", $string); |
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} |
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/** |
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* Create text version of HTML message by changing line breaks to newlines and |
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* stripping tags. |
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* |
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* @param ComposerEvent $event |
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*/ |
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public function generateTextBody(ComposerEvent $event) |
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{ |
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$parts = $event->getBody()->getParts(); |
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$htmlBody = null; |
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$htmlPart = null; |
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$textBody = null; |
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// locate HTML body |
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foreach ($parts as $part) { |
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foreach ($part->getHeadersArray() as $header) { |
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if ($header[0] == 'Content-Type' && strpos($header[1], 'text/html') === 0) { |
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$htmlPart = $part; |
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$htmlBody = $part->getRawContent(); |
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} elseif ($header[0] == 'Content-Type' && strpos($header[1], 'text/plain') === 0) { |
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$textBody = $part->getRawContent(); |
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} |
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} |
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} |
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if ($textBody || !$htmlBody) { |
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// can only work if HTML body exists and text doesn't |
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return; |
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} |
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// create and insert text body |
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$textBody = strip_tags($this->br2nl($htmlBody)); |
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$textPart = new MimePart($textBody); |
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$textPart->type = 'text/plain'; |
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$event->getBody()->setParts([$textPart, $htmlPart]); |
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// force multipart/alternative content type |
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$event->getMessage()->getHeaders()->get('content-type')->setType('multipart/alternative') |
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->addParameter('boundary', $event->getBody()->getMime()->boundary()); |
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} |
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/** |
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* Attach one or more listeners |
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* |
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* Implementors may add an optional $priority argument; the EventManager |
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* implementation will pass this to the aggregate. |
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* |
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* @param EventManagerInterface $events |
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* |
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* @return void |
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*/ |
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public function attach(EventManagerInterface $events, $priority = 1) |
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{ |
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$this->listeners[] = $events->attach(ComposerEvent::EVENT_COMPOSE_POST, [$this, 'generateTextBody']); |
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} |
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} |
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mtymek /
MtMail
