class/deliver/Deliver_SendMail.class.php

   1 <?php
   2 /**
   3  * Deliver_SendMail.class.php
   4  *
   5  * @copyright Copyright (c) 1999-2004 The SquirrelMail Project Team
   6  * Licensed under the GNU GPL. For full terms see the file COPYING.
   7  *
   8  * Delivery backend for the Deliver class.
   9  *
  10  * $Id$
  11  *
  12  * @author Marc Groot Koerkamp
  13  *
  14  * @package squirrelmail
  15  */
  16
  17 require_once(SM_PATH . 'class/deliver/Deliver.class.php');
  18
  19
  20 class Deliver_SendMail extends Deliver {
  21
  22    /**
  23     * function preWriteToStream
  24     *
  25     * Sendmail needs LF's as line endings instead of CRLF.
  26     * This function translates the line endings to LF and should be called
  27     * before each line is written to the stream.
  28     *
  29     * @param string $s Line to process
  30     * @return void
  31     * @access private
  32     */
  33     function preWriteToStream(&$s) {
  34        if ($s) {
  35           $s = str_replace("\r\n", "\n", $s);
  36        }
  37     }
  38
  39    /**
  40     * function initStream
  41     *
  42     * Initialise the sendmail connection.
  43     *
  44     * @param Message $message Message object containing the from address
  45     * @param string $sendmail_path Location of sendmail binary
  46     * @return void
  47     * @access public
  48     */
  49     function initStream($message, $sendmail_path) {
  50         $rfc822_header = $message->rfc822_header;
  51         $from = $rfc822_header->from[0];
  52         $envelopefrom = trim($from->mailbox.'@'.$from->host);
  53         $envelopefrom = str_replace(array("\0","\n"),array('',''),$envelopefrom);
  54         if (strstr($sendmail_path, "qmail-inject")) {
  55             $stream = popen (escapeshellcmd("$sendmail_path -i -f$envelopefrom"), "w");
  56         } else {
  57             $stream = popen (escapeshellcmd("$sendmail_path -i -t -f$envelopefrom"), "w");
  58         }
  59         return $stream;
  60     }
  61
  62    /**
  63     * function finalizeStream
  64     *
  65     * Close the stream.
  66     *
  67     * @param resource $stream
  68     * @return boolean
  69     * @access public
  70     */
  71     function finalizeStream($stream) {
  72         pclose($stream);
  73         return true;
  74     }
  75
  76    /**
  77     * function getBcc
  78     *
  79     * In case of sendmail, the rfc822header must contain the bcc header.
  80     *
  81     * @return boolean true if rfc822header should include the bcc header.
  82     * @access private
  83     */
  84     function getBcc() {
  85        return true;
  86     }
  87
  88    /**
  89     * function clean_crlf
  90     *
  91     * Cleans each line to only end in a LF
  92     * Returns the length of the line including a CR,
  93     * so that length is correct when the message is saved to imap
  94     * Implemented to fix sendmail->postfix rejection of messages with
  95     * attachments because of stray LF's
  96     *
  97     * @param string $s string to strip of CR's
  98     * @return integer length of string including a CR for each LF
  99     * @access private
 100     */
 101     function clean_crlf(&$s) {
 102         $s = str_replace("\r\n", "\n", $s);
 103         $s = str_replace("\r", "\n", $s);
 104         $s2 = str_replace("\n", "\r\n", $s);
 105         return strlen($s2);
 106     }
 107
 108
 109 }
 110 ?>