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php-phpbb/phpBB/includes/emailer.php
Paul S. Owen 786c8c2a06 Altered various aspects of emailing ... tested on a windows platform with both mail() and direct smtp ... it worked in both cases.
git-svn-id: file:///svn/phpbb/trunk@3902 89ea8834-ac86-4346-8a33-228a782c2dd0
2003-04-21 14:13:10 +00:00

429 lines
12 KiB
PHP
Executable File

<?php
/***************************************************************************
emailer.php
-------------------
begin : Sunday Aug. 12, 2001
copyright : (C) 2001 The phpBB Group
email : support@phpbb.com
$Id$
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
class emailer
{
var $msg, $subject, $extra_headers;
var $to_addres, $cc_address, $bcc_address;
var $tpl_msg = array();
function emailer()
{
$this->reset();
}
// Resets all the data (address, template file, etc etc to default
function reset()
{
$this->addresses = array();
$this->vars = $this->msg = $this->extra_headers = $this->replyto = '';
}
// Sets an email address to send to
function to($address, $realname = '')
{
$pos = sizeof($this->addresses['to']);
$this->addresses['to'][$pos]['email'] = trim($address);
$this->addresses['to'][$pos]['name'] = trim($realname);
}
function cc($address, $realname = '')
{
$pos = sizeof($this->addresses['cc']);
$this->addresses['cc'][$pos]['email'] = trim($address);
$this->addresses['cc'][$pos]['name'] = trim($realname);
}
function bcc($address, $realname = '')
{
$pos = sizeof($this->addresses['bcc']);
$this->addresses['bcc'][$pos]['email'] = trim($address);
$this->addresses['bcc'][$pos]['name'] = trim($realname);
}
function replyto($address)
{
$this->replyto = trim($address);
}
// set up subject for mail
function subject($subject = '')
{
$this->subject = trim($subject);
}
// set up extra mail headers
function headers($headers)
{
$this->extra_headers .= trim($headers) . "\r\n";
}
function template($template_file, $template_lang = '')
{
global $config, $phpbb_root_path;
if (trim($template_file) == '')
{
trigger_error('No template file set', E_USER_ERROR);
}
if (trim($template_lang) == '')
{
$template_lang = $config['default_lang'];
}
if (empty($this->tpl_msg[$template_lang . $template_file]))
{
$tpl_file = $phpbb_root_path . 'language/' . $template_lang . '/email/' . $template_file . '.txt';
if (!file_exists($tpl_file))
{
$tpl_file = $phpbb_root_path . 'language/' . $config['default_lang'] . '/email/' . $template_file . '.txt';
if (!file_exists($tpl_file))
{
trigger_error('Could not find email template file :: ' . $template_file, E_USER_ERROR);
}
}
if (!($fd = @fopen($tpl_file, 'r')))
{
trigger_error('Failed opening template file', E_USER_ERROR);
}
$this->tpl_msg[$template_lang . $template_file] = fread($fd, filesize($tpl_file));
fclose($fd);
}
$this->msg = $this->tpl_msg[$template_lang . $template_file];
return true;
}
// assign variables
function assign_vars($vars)
{
$this->vars = (empty($this->vars)) ? $vars : $this->vars . $vars;
}
// Send the mail out to the recipients set previously in var $this->address
function send()
{
global $config, $user, $phpEx, $phpbb_root_path;
if (empty($config['email_enable']))
{
return false;
}
// Escape all quotes, else the eval will fail.
$this->msg = str_replace ("'", "\'", $this->msg);
$this->msg = preg_replace('#\{([a-z0-9\-_]*?)\}#is', "' . $\\1 . '", $this->msg);
// Set vars
foreach ($this->vars as $key => $val)
{
$$key = $val;
}
eval("\$this->msg = '$this->msg';");
// Clear vars
foreach ($this->vars as $key => $val)
{
unset($$key);
}
// We now try and pull a subject from the email body ... if it exists,
// do this here because the subject may contain a variable
$drop_header = '';
$match = array();
if (preg_match('#^(Subject:(.*?))$#m', $this->msg, $match))
{
$this->subject = (trim($match[2]) != '') ? trim($match[2]) : (($this->subject != '') ? $this->subject : $user->lang['NO_SUBJECT']);
$drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
}
else
{
$this->subject = (($this->subject != '') ? $this->subject : $user->lang['NO_SUBJECT']);
}
if (preg_match('#^(Charset:(.*?))$#m', $this->msg, $match))
{
$this->encoding = (trim($match[2]) != '') ? trim($match[2]) : trim($lang['ENCODING']);
$drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
}
else
{
$this->encoding = trim($lang['ENCODING']);
}
if ($drop_header != '')
{
$this->msg = trim(preg_replace('#' . $drop_header . '#s', '', $this->msg));
}
$to = $cc = $bcc = '';
// Build to, cc and bcc strings
foreach ($this->addresses as $type => $address_ary)
{
foreach ($address_ary as $which_ary)
{
$$type .= (($$type != '') ? ',' : '') . (($which_ary['name'] != '') ? '"' . $this->encode($which_ary['name']) . '" <' . $which_ary['email'] . '>' : '<' . $which_ary['email'] . '>');
}
}
// Build header
$this->extra_headers = (($this->replyto !='') ? "Reply-to: <$this->replyto>\r\n" : '') . "From: <" . $config['board_email'] . ">\r\nReturn-Path: <" . $config['board_email'] . ">\r\nMessage-ID: <" . md5(uniqid(time())) . "@" . $config['server_name'] . ">\r\nMIME-Version: 1.0\r\nContent-type: text/plain; charset=" . $this->encoding . "\r\nContent-transfer-encoding: 8bit\r\nDate: " . gmdate('D, d M Y H:i:s Z', time()) . "\r\nX-Priority: 3\r\nX-MSMail-Priority: Normal\r\nX-Mailer: PHP\r\n" . (($cc != '') ? "Cc:$cc\r\n" : '') . (($bcc != '') ? "Bcc:$bcc\r\n" : '') . trim($this->extra_headers);
// Send message ... removed $this->encode() from subject for time being
$result = ($config['smtp_delivery']) ? smtpmail($to, $this->subject, $this->msg, $this->extra_headers) : mail($to, $this->subject, preg_replace("#(?<!\r)\n#s", "\r\n", $this->msg), $this->extra_headers);
// Did it work?
if (!$result)
{
$message = '<u>EMAIL ERROR</u> [ ' . (($config['smtp_delivery']) ? 'SMTP' : 'PHP') . ' ]<br /><br />' . $result . '<br /><br /><u>CALLING PAGE</u><br /><br />' . ((!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF']) . '<br />';
trigger_error($message, E_USER_ERROR);
}
return true;
}
// Encodes the given string for proper display for this encoding ... nabbed
// from php.net and modified. There is an alternative encoding method which
// may produce lesd output but it's questionable as to its worth in this
// scenario IMO
function encode($str)
{
if ($this->encoding == '')
{
return $str;
}
// define start delimimter, end delimiter and spacer
$end = "?=";
$start = "=?$this->encoding?B?";
$spacer = "$end\r\n $start";
// determine length of encoded text within chunks and ensure length is even
$length = 75 - strlen($start) - strlen($end);
$length = floor($length / 2) * 2;
// encode the string and split it into chunks with spacers after each chunk
$str = chunk_split(base64_encode($str), $length, $spacer);
// remove trailing spacer and add start and end delimiters
$str = preg_replace('#' . preg_quote($spacer) . '$#', '', $str);
return $start . $str . $end;
}
} // class emailer
// This function has been modified as provided by SirSir to allow multiline responses when
// using SMTP Extensions
function server_parse($socket, $response)
{
while (substr($server_response, 3, 1) != ' ')
{
if (!($server_response = fgets($socket, 256)))
{
trigger_error('Could not get mail server response codes', E_USER_ERROR);
}
}
if (!(substr($server_response, 0, 3) == $response))
{
trigger_error("Ran into problems sending Mail. Response: $server_response", E_USER_ERROR);
}
}
// Replacement or substitute for PHP's mail command
function smtpmail($mail_to, $subject, $message, $headers = '')
{
global $config;
// Fix any bare linefeeds in the message to make it RFC821 Compliant.
$message = preg_replace("#(?<!\r)\n#si", "\r\n", $message);
if ($headers != '')
{
if (is_array($headers))
{
if (sizeof($headers) > 1)
{
$headers = join("\r\n", $headers);
}
else
{
$headers = $headers[0];
}
}
$headers = chop($headers);
// Make sure there are no bare linefeeds in the headers
$headers = preg_replace('#(?<!\r)\n#si', "\r\n", $headers);
// Ok this is rather confusing all things considered,
// but we have to grab bcc and cc headers and treat them differently
// Something we really didn't take into consideration originally
$header_array = explode("\r\n", $headers);
@reset($header_array);
$headers = '';
while(list(, $header) = each($header_array))
{
if (preg_match('#^cc:#si', $header))
{
$cc = preg_replace('#^cc:(.*)#si', '\1', $header);
}
else if (preg_match('#^bcc:#si', $header))
{
$bcc = preg_replace('#^bcc:(.*)#si', '\1', $header);
$header = '';
}
$headers .= $header . "\r\n";
}
$headers = chop($headers);
$cc = explode(',', $cc);
$bcc = explode(',', $bcc);
}
if (trim($subject) == '')
{
trigger_error('No email Subject specified', E_USER_ERROR);
}
if (trim($message) == '')
{
trigger_error('Email message was blank', E_USER_ERROR);
}
$mail_to_array = explode(',', $mail_to);
// Ok we have error checked as much as we can to this point let's get on
// it already.
if (!$socket = fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 20))
{
trigger_error("Could not connect to smtp host : $errno : $errstr", E_USER_ERROR);
}
// Wait for reply
server_parse($socket, "220");
// Do we want to use AUTH?, send RFC2554 EHLO, else send RFC821 HELO
// This improved as provided by SirSir to accomodate
if (!empty($config['smtp_username']) && !empty($config['smtp_password']))
{
fputs($socket, "EHLO " . $config['smtp_host'] . "\r\n");
server_parse($socket, "250");
fputs($socket, "AUTH LOGIN\r\n");
server_parse($socket, "334");
fputs($socket, base64_encode($config['smtp_username']) . "\r\n");
server_parse($socket, "334");
fputs($socket, base64_encode($config['smtp_password']) . "\r\n");
server_parse($socket, "235");
}
else
{
fputs($socket, "HELO " . $config['smtp_host'] . "\r\n");
server_parse($socket, "250");
}
// From this point onward most server response codes should be 250
// Specify who the mail is from....
fputs($socket, "MAIL FROM: <" . $config['board_email'] . ">\r\n");
server_parse($socket, "250");
// Specify each user to send to and build to header.
@reset($mail_to_array);
while(list(, $mail_to_address) = each($mail_to_array))
{
// Add an additional bit of error checking to the To field.
$mail_to_address = trim($mail_to_address);
if (preg_match('#[^ ]+\@[^ ]+#', $mail_to_address))
{
fputs($socket, "RCPT TO: $mail_to_address\r\n");
server_parse($socket, "250");
}
$to_header .= (($to_header !='') ? ', ' : '') . "$mail_to_address";
}
// Ok now do the CC and BCC fields...
@reset($bcc);
while(list(, $bcc_address) = each($bcc))
{
// Add an additional bit of error checking to bcc header...
$bcc_address = trim($bcc_address);
if (preg_match('#[^ ]+\@[^ ]+#', $bcc_address))
{
fputs($socket, "RCPT TO: $bcc_address\r\n");
server_parse($socket, "250");
}
}
@reset($cc);
while(list(, $cc_address) = each($cc))
{
// Add an additional bit of error checking to cc header
$cc_address = trim($cc_address);
if (preg_match('#[^ ]+\@[^ ]+#', $cc_address))
{
fputs($socket, "RCPT TO: $cc_address\r\n");
server_parse($socket, "250");
}
}
// Ok now we tell the server we are ready to start sending data
fputs($socket, "DATA\r\n");
// This is the last response code we look for until the end of the message.
server_parse($socket, "354");
// Send the Subject Line...
fputs($socket, "Subject: $subject\r\n");
// Now the To Header.
$to_header = ($to_header == '') ? "<Undisclosed-recipients:;>" : $to_header;
fputs($socket, "To: $to_header\r\n");
// Now any custom headers....
fputs($socket, "$headers\r\n\r\n");
// Ok now we are ready for the message...
fputs($socket, "$message\r\n");
// Ok the all the ingredients are mixed in let's cook this puppy...
fputs($socket, ".\r\n");
server_parse($socket, "250");
// Now tell the server we are done and close the socket...
fputs($socket, "QUIT\r\n");
fclose($socket);
return TRUE;
}
?>