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