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   1  <?php
   2  
   3  final class LegalpadReplyHandler extends PhabricatorMailReplyHandler {
   4  
   5    public function validateMailReceiver($mail_receiver) {
   6      if (!($mail_receiver instanceof LegalpadDocument)) {
   7        throw new Exception('Mail receiver is not a LegalpadDocument!');
   8      }
   9    }
  10  
  11    public function getPrivateReplyHandlerEmailAddress(
  12      PhabricatorObjectHandle $handle) {
  13      return $this->getDefaultPrivateReplyHandlerEmailAddress($handle, 'L');
  14    }
  15  
  16    public function getPublicReplyHandlerEmailAddress() {
  17      return $this->getDefaultPublicReplyHandlerEmailAddress('L');
  18    }
  19  
  20    public function getReplyHandlerDomain() {
  21      return PhabricatorEnv::getEnvConfig(
  22        'metamta.reply-handler-domain');
  23    }
  24  
  25    public function getReplyHandlerInstructions() {
  26      if ($this->supportsReplies()) {
  27        return pht('Reply to comment or !unsubscribe.');
  28      } else {
  29        return null;
  30      }
  31    }
  32  
  33    protected function receiveEmail(PhabricatorMetaMTAReceivedMail $mail) {
  34      $actor = $this->getActor();
  35      $document = $this->getMailReceiver();
  36  
  37      $body_data = $mail->parseBody();
  38      $body = $body_data['body'];
  39      $body = $this->enhanceBodyWithAttachments($body, $mail->getAttachments());
  40  
  41      $content_source = PhabricatorContentSource::newForSource(
  42        PhabricatorContentSource::SOURCE_EMAIL,
  43        array(
  44          'id' => $mail->getID(),
  45        ));
  46  
  47  
  48      $xactions = array();
  49      $command = $body_data['command'];
  50  
  51      switch ($command) {
  52        case 'unsubscribe':
  53          $xaction = id(new LegalpadTransaction())
  54            ->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
  55            ->setNewValue(array('-' => array($actor->getPHID())));
  56          $xactions[] = $xaction;
  57          break;
  58      }
  59  
  60      $xactions[] = id(new LegalpadTransaction())
  61        ->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)
  62        ->attachComment(
  63          id(new LegalpadTransactionComment())
  64          ->setDocumentID($document->getID())
  65          ->setLineNumber(0)
  66          ->setLineLength(0)
  67          ->setContent($body));
  68  
  69      $editor = id(new LegalpadDocumentEditor())
  70        ->setActor($actor)
  71        ->setContentSource($content_source)
  72        ->setContinueOnNoEffect(true)
  73        ->setIsPreview(false);
  74  
  75      try {
  76        $xactions = $editor->applyTransactions($document, $xactions);
  77      } catch (PhabricatorApplicationTransactionNoEffectException $ex) {
  78        // just do nothing, though unclear why you're sending a blank email
  79        return true;
  80      }
  81  
  82      $head_xaction = head($xactions);
  83      return $head_xaction->getID();
  84    }
  85  
  86  }