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|
<?php
/*
$Id: email.php,v 1.12 2003/06/17 17:29:44 dgw_ Exp $
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2003 osCommerce
Released under the GNU General Public License
mail.php - a class to assist in building mime-HTML eMails
The original class was made by Richard Heyes <richard@phpguru.org>
and can be found here: http://www.phpguru.org
Renamed and Modified by Jan Wildeboer for osCommerce
*/
class email {
var $html;
var $text;
var $output;
var $html_text;
var $html_images;
var $image_types;
var $build_params;
var $attachments;
var $headers;
function email($headers = '') {
if ($headers == '') $headers = array();
$this->html_images = array();
$this->headers = array();
if (EMAIL_LINEFEED == 'CRLF') {
$this->lf = "\r\n";
} else {
$this->lf = "\n";
}
/**
* If you want the auto load functionality
* to find other mime-image/file types, add the
* extension and content type here.
*/
$this->image_types = array('gif' => 'image/gif',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'bmp' => 'image/bmp',
'png' => 'image/png',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'swf' => 'application/x-shockwave-flash');
$this->build_params['html_encoding'] = 'quoted-printable';
$this->build_params['text_encoding'] = '7bit';
$this->build_params['html_charset'] = 'utf-8';
$this->build_params['text_charset'] = 'utf-8';
$this->build_params['text_wrap'] = 998;
/**
* Make sure the MIME version header is first.
*/
$this->headers[] = 'MIME-Version: 1.0';
reset($headers);
while (list(,$value) = each($headers)) {
if (tep_not_null($value)) {
$this->headers[] = $value;
}
}
}
/**
* This function will read a file in
* from a supplied filename and return
* it. This can then be given as the first
* argument of the the functions
* add_html_image() or add_attachment().
*/
function get_file($filename) {
$return = '';
if ($fp = fopen($filename, 'rb')) {
while (!feof($fp)) {
$return .= fread($fp, 1024);
}
fclose($fp);
return $return;
} else {
return false;
}
}
/**
* Function for extracting images from
* html source. This function will look
* through the html code supplied by add_html()
* and find any file that ends in one of the
* extensions defined in $obj->image_types.
* If the file exists it will read it in and
* embed it, (not an attachment).
*
* Function contributed by Dan Allen
*/
function find_html_images($images_dir) {
// Build the list of image extensions
while (list($key, ) = each($this->image_types)) {
$extensions[] = $key;
}
preg_match_all('/"([^"]+\.(' . implode('|', $extensions).'))"/Ui', $this->html, $images);
for ($i=0; $i<count($images[1]); $i++) {
if (file_exists($images_dir . $images[1][$i])) {
$html_images[] = $images[1][$i];
$this->html = str_replace($images[1][$i], basename($images[1][$i]), $this->html);
}
}
if (tep_not_null($html_images)) {
// If duplicate images are embedded, they may show up as attachments, so remove them.
$html_images = array_unique($html_images);
sort($html_images);
for ($i=0; $i<count($html_images); $i++) {
if ($image = $this->get_file($images_dir . $html_images[$i])) {
$content_type = $this->image_types[substr($html_images[$i], strrpos($html_images[$i], '.') + 1)];
$this->add_html_image($image, basename($html_images[$i]), $content_type);
}
}
}
}
/**
* Adds plain text. Use this function
* when NOT sending html email
*/
function add_text($text = '') {
$this->text = tep_convert_linefeeds(array("\r\n", "\n", "\r"), $this->lf, $text);
}
/**
* Adds a html part to the mail.
* Also replaces image names with
* content-id's.
*/
function add_html($html, $text = NULL, $images_dir = NULL) {
$this->html = tep_convert_linefeeds(array("\r\n", "\n", "\r"), '<br>', $html);
$this->html_text = tep_convert_linefeeds(array("\r\n", "\n", "\r"), $this->lf, $text);
if (isset($images_dir)) $this->find_html_images($images_dir);
}
/**
* Adds an image to the list of embedded
* images.
*/
function add_html_image($file, $name = '', $c_type='application/octet-stream') {
$this->html_images[] = array('body' => $file,
'name' => $name,
'c_type' => $c_type,
'cid' => md5(uniqid(time())));
}
/**
* Adds a file to the list of attachments.
*/
function add_attachment($file, $name = '', $c_type='application/octet-stream', $encoding = 'base64') {
$this->attachments[] = array('body' => $file,
'name' => $name,
'c_type' => $c_type,
'encoding' => $encoding);
}
/**
* Adds a text subpart to a mime_part object
*/
/* HPDL PHP3 */
// function &add_text_part(&$obj, $text) {
function add_text_part(&$obj, $text) {
$params['content_type'] = 'text/plain';
$params['encoding'] = $this->build_params['text_encoding'];
$params['charset'] = $this->build_params['text_charset'];
if (is_object($obj)) {
return $obj->addSubpart($text, $params);
} else {
return new mime($text, $params);
}
}
/**
* Adds a html subpart to a mime_part object
*/
/* HPDL PHP3 */
// function &add_html_part(&$obj) {
function add_html_part(&$obj) {
$params['content_type'] = 'text/html';
$params['encoding'] = $this->build_params['html_encoding'];
$params['charset'] = $this->build_params['html_charset'];
if (is_object($obj)) {
return $obj->addSubpart($this->html, $params);
} else {
return new mime($this->html, $params);
}
}
/**
* Starts a message with a mixed part
*/
/* HPDL PHP3 */
// function &add_mixed_part() {
function add_mixed_part() {
$params['content_type'] = 'multipart/mixed';
return new mime('', $params);
}
/**
* Adds an alternative part to a mime_part object
*/
/* HPDL PHP3 */
// function &add_alternative_part(&$obj) {
function add_alternative_part(&$obj) {
$params['content_type'] = 'multipart/alternative';
if (is_object($obj)) {
return $obj->addSubpart('', $params);
} else {
return new mime('', $params);
}
}
/**
* Adds a html subpart to a mime_part object
*/
/* HPDL PHP3 */
// function &add_related_part(&$obj) {
function add_related_part(&$obj) {
$params['content_type'] = 'multipart/related';
if (is_object($obj)) {
return $obj->addSubpart('', $params);
} else {
return new mime('', $params);
}
}
/**
* Adds an html image subpart to a mime_part object
*/
/* HPDL PHP3 */
// function &add_html_image_part(&$obj, $value) {
function add_html_image_part(&$obj, $value) {
$params['content_type'] = $value['c_type'];
$params['encoding'] = 'base64';
$params['disposition'] = 'inline';
$params['dfilename'] = $value['name'];
$params['cid'] = $value['cid'];
$obj->addSubpart($value['body'], $params);
}
/**
* Adds an attachment subpart to a mime_part object
*/
/* HPDL PHP3 */
// function &add_attachment_part(&$obj, $value) {
function add_attachment_part(&$obj, $value) {
$params['content_type'] = $value['c_type'];
$params['encoding'] = $value['encoding'];
$params['disposition'] = 'attachment';
$params['dfilename'] = $value['name'];
$obj->addSubpart($value['body'], $params);
}
/**
* Builds the multipart message from the
* list ($this->_parts). $params is an
* array of parameters that shape the building
* of the message. Currently supported are:
*
* $params['html_encoding'] - The type of encoding to use on html. Valid options are
* "7bit", "quoted-printable" or "base64" (all without quotes).
* 7bit is EXPRESSLY NOT RECOMMENDED. Default is quoted-printable
* $params['text_encoding'] - The type of encoding to use on plain text Valid options are
* "7bit", "quoted-printable" or "base64" (all without quotes).
* Default is 7bit
* $params['text_wrap'] - The character count at which to wrap 7bit encoded data.
* Default this is 998.
* $params['html_charset'] - The character set to use for a html section.
* Default is iso-8859-1
* $params['text_charset'] - The character set to use for a text section.
* - Default is iso-8859-1
*/
/* HPDL PHP3 */
// function build_message($params = array()) {
function build_message($params = '') {
if ($params == '') $params = array();
if (count($params) > 0) {
reset($params);
while(list($key, $value) = each($params)) {
$this->build_params[$key] = $value;
}
}
if (tep_not_null($this->html_images)) {
reset($this->html_images);
while (list(,$value) = each($this->html_images)) {
$this->html = str_replace($value['name'], 'cid:' . $value['cid'], $this->html);
}
}
$null = NULL;
$attachments = ((tep_not_null($this->attachments)) ? true : false);
$html_images = ((tep_not_null($this->html_images)) ? true : false);
$html = ((tep_not_null($this->html)) ? true : false);
$text = ((tep_not_null($this->text)) ? true : false);
switch (true) {
case (($text == true) && ($attachments == false)):
/* HPDL PHP3 */
// $message =& $this->add_text_part($null, $this->text);
$message = $this->add_text_part($null, $this->text);
break;
case (($text == false) && ($attachments == true) && ($html == false)):
/* HPDL PHP3 */
// $message =& $this->add_mixed_part();
$message = $this->add_mixed_part();
for ($i=0; $i<count($this->attachments); $i++) {
$this->add_attachment_part($message, $this->attachments[$i]);
}
break;
case (($text == true) && ($attachments == true)):
/* HPDL PHP3 */
// $message =& $this->add_mixed_part();
$message = $this->add_mixed_part();
$this->add_text_part($message, $this->text);
for ($i=0; $i<count($this->attachments); $i++) {
$this->add_attachment_part($message, $this->attachments[$i]);
}
break;
case (($html == true) && ($attachments == false) && ($html_images == false)):
if (tep_not_null($this->html_text)) {
/* HPDL PHP3 */
// $message =& $this->add_alternative_part($null);
$message = $this->add_alternative_part($null);
$this->add_text_part($message, $this->html_text);
$this->add_html_part($message);
} else {
/* HPDL PHP3 */
// $message =& $this->add_html_part($null);
$message = $this->add_html_part($null);
}
break;
case (($html == true) && ($attachments == false) && ($html_images == true)):
if (tep_not_null($this->html_text)) {
/* HPDL PHP3 */
// $message =& $this->add_alternative_part($null);
$message = $this->add_alternative_part($null);
$this->add_text_part($message, $this->html_text);
/* HPDL PHP3 */
// $related =& $this->add_related_part($message);
$related = $this->add_related_part($message);
} else {
/* HPDL PHP3 */
// $message =& $this->add_related_part($null);
// $related =& $message;
$message = $this->add_related_part($null);
$related = $message;
}
$this->add_html_part($related);
for ($i=0; $i<count($this->html_images); $i++) {
$this->add_html_image_part($related, $this->html_images[$i]);
}
break;
case (($html == true) && ($attachments == true) && ($html_images == false)):
/* HPDL PHP3 */
// $message =& $this->add_mixed_part();
$message = $this->add_mixed_part();
if (tep_not_null($this->html_text)) {
/* HPDL PHP3 */
// $alt =& $this->add_alternative_part($message);
$alt = $this->add_alternative_part($message);
$this->add_text_part($alt, $this->html_text);
$this->add_html_part($alt);
} else {
$this->add_html_part($message);
}
for ($i=0; $i<count($this->attachments); $i++) {
$this->add_attachment_part($message, $this->attachments[$i]);
}
break;
case (($html == true) && ($attachments == true) && ($html_images == true)):
/* HPDL PHP3 */
// $message =& $this->add_mixed_part();
$message = $this->add_mixed_part();
if (tep_not_null($this->html_text)) {
/* HPDL PHP3 */
// $alt =& $this->add_alternative_part($message);
$alt = $this->add_alternative_part($message);
$this->add_text_part($alt, $this->html_text);
/* HPDL PHP3 */
// $rel =& $this->add_related_part($alt);
$rel = $this->add_related_part($alt);
} else {
/* HPDL PHP3 */
// $rel =& $this->add_related_part($message);
$rel = $this->add_related_part($message);
}
$this->add_html_part($rel);
for ($i=0; $i<count($this->html_images); $i++) {
$this->add_html_image_part($rel, $this->html_images[$i]);
}
for ($i=0; $i<count($this->attachments); $i++) {
$this->add_attachment_part($message, $this->attachments[$i]);
}
break;
}
if ( (isset($message)) && (is_object($message)) ) {
$output = $message->encode();
$this->output = $output['body'];
reset($output['headers']);
while (list($key, $value) = each($output['headers'])) {
$headers[] = $key . ': ' . $value;
}
$this->headers = array_merge($this->headers, $headers);
return true;
} else {
return false;
}
}
/**
* Sends the mail.
*/
function send($to_name, $to_addr, $from_name, $from_addr, $subject = '', $headers = '') {
$to = (($to_name != '') ? '"' . $to_name . '" <' . $to_addr . '>' : $to_addr);
$from = (($from_name != '') ? '"' . $from_name . '" <' . $from_addr . '>' : $from_addr);
if (is_string($headers)) {
$headers = explode($this->lf, trim($headers));
}
for ($i=0; $i<count($headers); $i++) {
if (is_array($headers[$i])) {
for ($j=0; $j<count($headers[$i]); $j++) {
if ($headers[$i][$j] != '') {
$xtra_headers[] = $headers[$i][$j];
}
}
}
if ($headers[$i] != '') {
$xtra_headers[] = $headers[$i];
}
}
if (!isset($xtra_headers)) {
$xtra_headers = array();
}
if (EMAIL_TRANSPORT == 'smtp') {
return mail($to_addr, $subject, $this->output, 'From: ' . $from . $this->lf . 'To: ' . $to . $this->lf . implode($this->lf, $this->headers) . $this->lf . implode($this->lf, $xtra_headers));
} else {
return mail($to, $subject, $this->output, 'From: '.$from.$this->lf.implode($this->lf, $this->headers).$this->lf.implode($this->lf, $xtra_headers));
}
}
/**
* Use this method to return the email
* in message/rfc822 format. Useful for
* adding an email to another email as
* an attachment. there's a commented
* out example in example.php.
*
* string get_rfc822(string To name,
* string To email,
* string From name,
* string From email,
* [string Subject,
* string Extra headers])
*/
function get_rfc822($to_name, $to_addr, $from_name, $from_addr, $subject = '', $headers = '') {
// Make up the date header as according to RFC822
$date = 'Date: ' . date('D, d M y H:i:s');
$to = (($to_name != '') ? 'To: "' . $to_name . '" <' . $to_addr . '>' : 'To: ' . $to_addr);
$from = (($from_name != '') ? 'From: "' . $from_name . '" <' . $from_addr . '>' : 'From: ' . $from_addr);
if (is_string($subject)) {
$subject = 'Subject: ' . $subject;
}
if (is_string($headers)) {
$headers = explode($this->lf, trim($headers));
}
for ($i=0; $i<count($headers); $i++) {
if (is_array($headers[$i])) {
for ($j=0; $j<count($headers[$i]); $j++) {
if ($headers[$i][$j] != '') {
$xtra_headers[] = $headers[$i][$j];
}
}
}
if ($headers[$i] != '') {
$xtra_headers[] = $headers[$i];
}
}
if (!isset($xtra_headers)) {
$xtra_headers = array();
}
$headers = array_merge($this->headers, $xtra_headers);
return $date . $this->lf . $from . $this->lf . $to . $this->lf . $subject . $this->lf . implode($this->lf, $headers) . $this->lf . $this->lf . $this->output;
}
}
?> |
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