$inbox is the imap link. email_number is msg_no.

File

modules/engagements/engagements.module, line 2222

This is the primary module file for the engagements module.

Code

function _engagements_imap_get_attachments($inbox, $email_number, $from_email_machine_readable, $cid = 0) 
 {

  /* get information specific to this email */
  $overview = imap_fetch_overview($inbox, $email_number, 0);
  $message = imap_fetchbody($inbox, $email_number, 2);
  $structure = imap_fetchstructure($inbox, $email_number);

  $attachments = array();
  if (isset($structure->parts) && count($structure->parts)) {
    for ($i = 0; $i < count($structure->parts); $i++) {
      $attachments [$i] = array(
        'is_attachment' => false,
        'filename' => '',
        'name' => '',
        'subtype' => '',
        'attachment' => ''
      );

      if ($structure->parts [$i]->ifdparameters) {
        foreach ($structure->parts [$i]->dparameters as $object) {
          if (strtolower($object->attribute) == 'filename') {
            $attachments [$i]['is_attachment'] = TRUE;
            $attachments [$i]['filename'] = $object->value;
            $attachments [$i]['subtype'] = $structure->parts [$i]->subtype;
          }
        }
      }

      if ($structure->parts [$i]->ifparameters) {
        foreach ($structure->parts [$i]->parameters as $object) {
          if (strtolower($object->attribute) == 'name') {
            $attachments [$i]['is_attachment'] = true;
            $attachments [$i]['name'] = $object->value;
            $attachments [$i]['subtype'] = $structure->parts [$i]->subtype;
          }
        }
      }

      if ($attachments [$i]['is_attachment']) {
        $attachments [$i]['attachment'] = imap_fetchbody($inbox, $email_number, $i + 1);
        if ($structure->parts [$i]->encoding == 3) { // 3 = BASE64
          $attachments [$i]['attachment'] = base64_decode($attachments [$i]['attachment']);
        }
        elseif ($structure->parts [$i]->encoding == 4) { // 4 = QUOTED-PRINTABLE
          $attachments [$i]['attachment'] = quoted_printable_decode($attachments [$i]['attachment']);
        }
      }
    } // for($i = 0; $i < count($structure->parts); $i++)
  } // if(isset($structure->parts) && count($structure->parts))



  $rtn = array();

  if (count($attachments) != 0) {
    foreach ($attachments as $c => $at) {
      if ($at ['is_attachment'] == TRUE) {


        // Create a new random filename to save it as.
        $filename = 'email__' . $from_email_machine_readable . '_' . time() . '_' . mt_rand(1, 9999); // We will figure out the ext (from mimetype) later.
        $tmp_name = sha1($filename . time() . mt_rand(1, 99999) . mt_rand(1, 99999));

        // Save to our temporary location on the server.
        $test = file_put_contents(sys_get_temp_dir() . '/' . $tmp_name, $at ['attachment']);
        if (!$test) {
          watchdog('engagements_email', 'Unable to write media file at temp location: ' . sys_get_temp_dir(), array(), 'error');
          fpm('Unable to write media file at temp location:' . sys_get_temp_dir() . '.  Permissions issue?');
          continue;
        }


        // Next, we want to rename it to have the proper file extension, as best we can tell.
        $ext = strtolower($at ['subtype']); // if we can't figure it out, use this.
        // Attempt to figure out the mimetype....
        $finfo = finfo_open(FILEINFO_MIME_TYPE);
        $mimetype = finfo_file($finfo, sys_get_temp_dir() . '/' . $tmp_name);
        $temp = explode(";", $mimetype);
        $mimetype = strtolower(trim($temp [0]));

        $new_ext = engagements_get_file_extension_from_mime_type($mimetype);
        if ($new_ext) {
          $ext = $new_ext;
        }

        $filename .= ".$ext"; // the filename doesn't have its extension already for whatever reason.

        $file = array(
          'name' => $filename,
          'type' => $mimetype,
          'tmp_name' => $tmp_name,
        );

        $fid = content_add_new_uploaded_file($file, $cid, FALSE);
        // TODO:  Possibly rename filename based on if it is encrypted or not?

        $rtn [] = array(
          'fid' => $fid,
          'filename' => $filename,
          'mimetime' => $mimetype,
          'ext' => $ext,
        );
      } // if is_attachment == TRUE
    } // foreach
  }

  return $rtn;
}