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<?php |
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declare(strict_types=1); |
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namespace Genkgo\Mail\Quotation; |
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use Genkgo\Mail\Address; |
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use Genkgo\Mail\AlternativeText; |
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use Genkgo\Mail\MessageBodyCollection; |
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use Genkgo\Mail\MessageInterface; |
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use Genkgo\Mail\QuotationInterface; |
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final class FixedQuotation implements QuotationInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $headerText; |
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/** |
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* @param string $headerText |
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*/ |
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public function __construct(string $headerText = '%s (%s):') |
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{ |
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$this->headerText = $headerText; |
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} |
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/** |
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* @param MessageBodyCollection $body |
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* @param MessageInterface $originalMessage |
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* @return MessageBodyCollection |
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* @throws \DOMException |
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*/ |
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public function quote(MessageBodyCollection $body, MessageInterface $originalMessage): MessageBodyCollection |
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{ |
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$originalBody = MessageBodyCollection::extract($originalMessage); |
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$dateString = 'unknown'; |
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foreach ($originalMessage->getHeader('Date') as $header) { |
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try { |
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$date = new \DateTimeImmutable($header->getValue()->getRaw()); |
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$dateString = \IntlDateFormatter::create( |
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\Locale::getDefault(), |
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\IntlDateFormatter::MEDIUM, |
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\IntlDateFormatter::MEDIUM |
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)->format($date); |
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} catch (\Exception $e) { |
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} |
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} |
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$fromString = ''; |
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foreach ($originalMessage->getHeader('From') as $header) { |
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$from = Address::fromString($header->getValue()->getRaw()); |
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$fromString = $from->getName() ? $from->getName() : (string)$from->getAddress(); |
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} |
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$headerText = \sprintf($this->headerText, $fromString, $dateString); |
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return $body |
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->withHtmlAndNoGeneratedAlternativeText( |
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$this->quoteHtml( |
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$body->getHtml(), |
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$originalBody->getHtml(), |
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$headerText |
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) |
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) |
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->withAlternativeText( |
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$this->quoteText( |
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$body->getText(), |
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$originalBody->getText(), |
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$headerText |
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) |
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); |
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} |
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/** |
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* @param string $newHtml |
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* @param string $originalHtml |
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* @param string $headerText |
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* @return string |
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* @throws \DOMException |
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*/ |
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private function quoteHtml(string $newHtml, string $originalHtml, string $headerText): string |
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{ |
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$originalHtml = \trim($originalHtml); |
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if ($originalHtml === '') { |
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return ''; |
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} |
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$document = new \DOMDocument(); |
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$document->substituteEntities = false; |
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$document->resolveExternals = false; |
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$result = @$document->loadHTML($originalHtml); |
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if ($result === false) { |
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throw new \DOMException('Incorrect HTML'); |
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} |
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$query = new \DOMXPath($document); |
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$removeItems = $query->query('//head|//script|//body/@style|//html/@style', $document->documentElement); |
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/** @var \DOMElement $removeItem */ |
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foreach ($removeItems as $removeItem) { |
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$parent = $removeItem->parentNode; |
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$parent->removeChild($removeItem); |
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} |
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$body = $document->getElementsByTagName('body'); |
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$quote = $document->createElement('blockquote'); |
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$quote->setAttribute('type', 'cite'); |
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if ($body->length === 0) { |
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$quote->appendChild($document->removeChild($document->documentElement)); |
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} else { |
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$root = $body->item(0); |
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while ($root->childNodes->length !== 0) { |
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$quote->appendChild($root->childNodes->item(0)); |
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} |
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} |
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$newDocument = new \DOMDocument(); |
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$newDocument->substituteEntities = false; |
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$newDocument->resolveExternals = false; |
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$result = @$newDocument->loadHTML($newHtml, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); |
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if ($result === false) { |
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throw new \DOMException('Incorrect HTML'); |
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} |
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$quotedNode = $newDocument->importNode($quote, true); |
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$newBody = $this->prepareBody($newDocument); |
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$newBody->appendChild($quotedNode); |
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$header = $newDocument->createElement('p'); |
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$header->textContent = $headerText; |
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$quotedNode->parentNode->insertBefore($header, $quotedNode); |
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return \trim($newDocument->saveHTML()); |
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} |
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/** |
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* @param \DOMDocument $document |
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* @return \DOMElement |
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*/ |
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private function prepareBody(\DOMDocument $document): \DOMElement |
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{ |
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$bodyList = $document->getElementsByTagName('body'); |
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if ($bodyList->length === 0) { |
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$html = $document->createElement('html'); |
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$body = $document->createElement('body'); |
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$html->appendChild($body); |
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$body->appendChild($document->documentElement); |
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$document->removeChild($document->documentElement); |
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$document->appendChild($html); |
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return $body; |
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} |
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$body = $bodyList->item(0); |
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$queryHtml = new \DOMXPath($document); |
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$htmlTags = $queryHtml->query('//html'); |
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if ($htmlTags->length > 0) { |
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$html = $htmlTags->item(0); |
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$html->appendChild($body); |
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$document->removeChild($document->documentElement); |
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$document->appendChild($html); |
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return $body; |
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} |
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$html = $document->createElement('html'); |
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$html->appendChild($body); |
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$document->removeChild($document->documentElement); |
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$document->appendChild($html); |
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return $body; |
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} |
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/** |
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* @param AlternativeText $newText |
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* @param AlternativeText $originalText |
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* @param string $headerText |
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* @return AlternativeText |
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*/ |
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private function quoteText( |
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AlternativeText $newText, |
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AlternativeText $originalText, |
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string $headerText |
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): AlternativeText { |
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return new AlternativeText( |
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\sprintf( |
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"%s\n\n%s\n>%s", |
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(string)$newText, |
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$headerText, |
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\str_replace("\n", "\n>", $originalText->getRaw()) |
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) |
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); |
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} |
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} |
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genkgo /
mail
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