125 lines
4.3 KiB
PHP
125 lines
4.3 KiB
PHP
<?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\Mailer\Transport;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Psr\Log\LoggerInterface;
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use Symfony\Component\Mailer\Envelope;
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use Symfony\Component\Mailer\SentMessage;
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use Symfony\Component\Mailer\Transport\Smtp\SmtpTransport;
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use Symfony\Component\Mailer\Transport\Smtp\Stream\AbstractStream;
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use Symfony\Component\Mailer\Transport\Smtp\Stream\ProcessStream;
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use Symfony\Component\Mime\RawMessage;
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/**
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* SendmailTransport for sending mail through a Sendmail/Postfix (etc..) binary.
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*
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* Transport can be instantiated through SendmailTransportFactory or NativeTransportFactory:
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*
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* - SendmailTransportFactory to use most common sendmail path and recommended options
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* - NativeTransportFactory when configuration is set via php.ini
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Chris Corbyn
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*/
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class SendmailTransport extends AbstractTransport
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{
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private string $command = '/usr/sbin/sendmail -bs';
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private ProcessStream $stream;
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private ?SmtpTransport $transport = null;
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/**
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* Constructor.
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*
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* Supported modes are -bs and -t, with any additional flags desired.
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*
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* The recommended mode is "-bs" since it is interactive and failure notifications are hence possible.
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* Note that the -t mode does not support error reporting and does not support Bcc properly (the Bcc headers are not removed).
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*
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* If using -t mode, you are strongly advised to include -oi or -i in the flags (like /usr/sbin/sendmail -oi -t)
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*
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* -f<sender> flag will be appended automatically if one is not present.
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*/
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public function __construct(?string $command = null, ?EventDispatcherInterface $dispatcher = null, ?LoggerInterface $logger = null)
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{
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parent::__construct($dispatcher, $logger);
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if (null !== $command) {
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if (!str_contains($command, ' -bs') && !str_contains($command, ' -t')) {
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throw new \InvalidArgumentException(\sprintf('Unsupported sendmail command flags "%s"; must be one of "-bs" or "-t" but can include additional flags.', $command));
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}
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$this->command = $command;
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}
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$this->stream = new ProcessStream();
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if (str_contains($this->command, ' -bs')) {
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$this->stream->setCommand($this->command);
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$this->stream->setInteractive(true);
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$this->transport = new SmtpTransport($this->stream, $dispatcher, $logger);
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}
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}
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public function send(RawMessage $message, ?Envelope $envelope = null): ?SentMessage
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{
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if ($this->transport) {
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return $this->transport->send($message, $envelope);
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}
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return parent::send($message, $envelope);
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}
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public function __toString(): string
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{
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if ($this->transport) {
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return (string) $this->transport;
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}
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return 'smtp://sendmail';
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}
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protected function doSend(SentMessage $message): void
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{
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$this->getLogger()->debug(\sprintf('Email transport "%s" starting', __CLASS__));
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$command = $this->command;
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if ($recipients = $message->getEnvelope()->getRecipients()) {
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$command = str_replace(' -t', '', $command);
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}
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if (!str_contains($command, ' -f')) {
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$command .= ' -f'.escapeshellarg($message->getEnvelope()->getSender()->getEncodedAddress());
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}
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$chunks = AbstractStream::replace("\r\n", "\n", $message->toIterable());
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if (!str_contains($command, ' -i') && !str_contains($command, ' -oi')) {
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$chunks = AbstractStream::replace("\n.", "\n..", $chunks);
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}
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foreach ($recipients as $recipient) {
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$command .= ' '.escapeshellarg($recipient->getEncodedAddress());
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}
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$this->stream->setCommand($command);
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$this->stream->initialize();
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foreach ($chunks as $chunk) {
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$this->stream->write($chunk, false);
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}
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$this->stream->flush();
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$this->stream->terminate();
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$this->getLogger()->debug(\sprintf('Email transport "%s" stopped', __CLASS__));
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}
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}
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