class/deliver/Deliver_SendMail.class.php

   1 <?php
   2 /**
   3  * Deliver_SendMail.class.php
   4  *
   5  * @copyright Copyright (c) 1999-2005 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  * @version $Id$
  11  * @author Marc Groot Koerkamp
  12  * @package squirrelmail
  13  */
  14
  15
  16 /** This of course depends upon Deliver */
  17 require_once(SM_PATH . 'class/deliver/Deliver.class.php');
  18
  19 /**
  20  * Delivers messages using the sendmail binary
  21  * @package squirrelmail
  22  */
  23 class Deliver_SendMail extends Deliver {
  24
  25    /**
  26     * function preWriteToStream
  27     *
  28     * Sendmail needs LF's as line endings instead of CRLF.
  29     * This function translates the line endings to LF and should be called
  30     * before each line is written to the stream.
  31     *
  32     * @param string $s Line to process
  33     * @return void
  34     * @access private
  35     */
  36     function preWriteToStream(&$s) {
  37        if ($s) {
  38            $s = str_replace("\r\n", "\n", $s);
  39        }
  40     }
  41
  42    /**
  43     * function initStream
  44     *
  45     * Initialise the sendmail connection.
  46     *
  47     * @param Message $message Message object containing the from address
  48     * @param string $sendmail_path Location of sendmail binary
  49     * @return void
  50     * @access public
  51     */
  52     function initStream($message, $sendmail_path) {
  53         $rfc822_header = $message->rfc822_header;
  54         $from = $rfc822_header->from[0];
  55         $envelopefrom = trim($from->mailbox.'@'.$from->host);
  56         $envelopefrom = str_replace(array("\0","\n"),array('',''),$envelopefrom);
  57         if (strstr($sendmail_path, "qmail-inject")) {
  58             $stream = popen (escapeshellcmd("$sendmail_path -f$envelopefrom"), "w");
  59         } else {
  60             $stream = popen (escapeshellcmd("$sendmail_path -i -t -f$envelopefrom"), "w");
  61         }
  62         return $stream;
  63     }
  64
  65    /**
  66     * function finalizeStream
  67     *
  68     * Close the stream.
  69     *
  70     * @param resource $stream
  71     * @return boolean
  72     * @access public
  73     */
  74     function finalizeStream($stream) {
  75         pclose($stream);
  76         return true;
  77     }
  78
  79    /**
  80     * function getBcc
  81     *
  82     * In case of sendmail, the rfc822header must contain the bcc header.
  83     *
  84     * @return boolean true if rfc822header should include the bcc header.
  85     * @access private
  86     */
  87     function getBcc() {
  88        return true;
  89     }
  90
  91    /**
  92     * function clean_crlf
  93     *
  94     * Cleans each line to only end in a LF
  95     * Returns the length of the line including a CR,
  96     * so that length is correct when the message is saved to imap
  97     * Implemented to fix sendmail->postfix rejection of messages with
  98     * attachments because of stray LF's
  99     *
 100     * @param string $s string to strip of CR's
 101     * @return integer length of string including a CR for each LF
 102     * @access private
 103     */
 104     function clean_crlf(&$s) {
 105         $s = str_replace("\r\n", "\n", $s);
 106         $s = str_replace("\r", "\n", $s);
 107         $s2 = str_replace("\n", "\r\n", $s);
 108         return strlen($s2);
 109     }
 110
 111
 112 }
 113 ?>