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mime.php
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<?php
/**
* The Mail_Mime class is used to create MIME E-mail messages
*
* The Mail_Mime class provides an OO interface to create MIME
* enabled email messages. This way you can create emails that
* contain plain-text bodies, HTML bodies, attachments, inline
* images and specific headers.
*
* Compatible with PHP versions 4 and 5
*
* LICENSE: This LICENSE is in the BSD license style.
* Copyright (c) 2002-2003, Richard Heyes <richard@phpguru.org>
* Copyright (c) 2003-2006, PEAR <pear-group@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the authors, nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Mail
* @package Mail_Mime
* @author Richard Heyes <richard@phpguru.org>
* @author Tomas V.V. Cox <cox@idecnet.com>
* @author Cipriano Groenendal <cipri@php.net>
* @author Sean Coates <sean@php.net>
* @author Aleksander Machniak <alec@php.net>
* @copyright 2003-2006 PEAR <pear-group@php.net>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/Mail_mime
*
* This class is based on HTML Mime Mail class from
* Richard Heyes <richard@phpguru.org> which was based also
* in the mime_mail.class by Tobias Ratschiller <tobias@dnet.it>
* and Sascha Schumann <sascha@schumann.cx>
*/
/**
* require PEAR
*
* This package depends on PEAR to raise errors.
*/
require_once 'PEAR.php';
/**
* require Mail_mimePart
*
* Mail_mimePart contains the code required to
* create all the different parts a mail can
* consist of.
*/
require_once 'Mail/mimePart.php';
/**
* The Mail_Mime class provides an OO interface to create MIME
* enabled email messages. This way you can create emails that
* contain plain-text bodies, HTML bodies, attachments, inline
* images and specific headers.
*
* @category Mail
* @package Mail_Mime
* @author Richard Heyes <richard@phpguru.org>
* @author Tomas V.V. Cox <cox@idecnet.com>
* @author Cipriano Groenendal <cipri@php.net>
* @author Sean Coates <sean@php.net>
* @copyright 2003-2006 PEAR <pear-group@php.net>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: @package_version@
* @link http://pear.php.net/package/Mail_mime
*/
class Mail_mime
{
/**
* Contains the plain text part of the email
*
* @var string
* @access private
*/
var $_txtbody;
/**
* Contains the html part of the email
*
* @var string
* @access private
*/
var $_htmlbody;
/**
* list of the attached images
*
* @var array
* @access private
*/
var $_html_images = array();
/**
* list of the attachements
*
* @var array
* @access private
*/
var $_parts = array();
/**
* Headers for the mail
*
* @var array
* @access private
*/
var $_headers = array();
/**
* Build parameters
*
* @var array
* @access private
*/
var $_build_params = array(
// What encoding to use for the headers
// Options: quoted-printable or base64
'head_encoding' => 'quoted-printable',
// What encoding to use for plain text
// Options: 7bit, 8bit, base64, or quoted-printable
'text_encoding' => 'quoted-printable',
// What encoding to use for html
// Options: 7bit, 8bit, base64, or quoted-printable
'html_encoding' => 'quoted-printable',
// The character set to use for html
'html_charset' => 'ISO-8859-1',
// The character set to use for text
'text_charset' => 'ISO-8859-1',
// The character set to use for headers
'head_charset' => 'ISO-8859-1',
// End-of-line sequence
'eol' => "\r\n",
// Delay attachment files IO until building the message
'delay_file_io' => false
);
/**
* Constructor function
*
* @param mixed $params Build parameters that change the way the email
* is built. Should be an associative array.
* See $_build_params.
*
* @return void
* @access public
*/
function Mail_mime($params = array())
{
// Backward-compatible EOL setting
if (is_string($params)) {
$this->_build_params['eol'] = $params;
} else if (defined('MAIL_MIME_CRLF') && !isset($params['eol'])) {
$this->_build_params['eol'] = MAIL_MIME_CRLF;
}
// Update build parameters
if (!empty($params) && is_array($params)) {
while (list($key, $value) = each($params)) {
$this->_build_params[$key] = $value;
}
}
}
/**
* Set build parameter value
*
* @param string $name Parameter name
* @param string $value Parameter value
*
* @return void
* @access public
* @since 1.6.0
*/
function setParam($name, $value)
{
$this->_build_params[$name] = $value;
}
/**
* Get build parameter value
*
* @param string $name Parameter name
*
* @return mixed Parameter value
* @access public
* @since 1.6.0
*/
function getParam($name)
{
return isset($this->_build_params[$name]) ? $this->_build_params[$name] : null;
}
/**
* Accessor function to set the body text. Body text is used if
* it's not an html mail being sent or else is used to fill the
* text/plain part that emails clients who don't support
* html should show.
*
* @param string $data Either a string or
* the file name with the contents
* @param bool $isfile If true the first param should be treated
* as a file name, else as a string (default)
* @param bool $append If true the text or file is appended to
* the existing body, else the old body is
* overwritten
*
* @return mixed True on success or PEAR_Error object
* @access public
*/
function setTXTBody($data, $isfile = false, $append = false)
{
if (!$isfile) {
if (!$append) {
$this->_txtbody = $data;
} else {
$this->_txtbody .= $data;
}
} else {
$cont = $this->_file2str($data);
if (PEAR::isError($cont)) {
return $cont;
}
if (!$append) {
$this->_txtbody = $cont;
} else {
$this->_txtbody .= $cont;
}
}
return true;
}
/**
* Get message text body
*
* @return string Text body
* @access public
* @since 1.6.0
*/
function getTXTBody()
{
return $this->_txtbody;
}
/**
* Adds a html part to the mail.
*
* @param string $data Either a string or the file name with the
* contents
* @param bool $isfile A flag that determines whether $data is a
* filename, or a string(false, default)
*
* @return bool True on success
* @access public
*/
function setHTMLBody($data, $isfile = false)
{
if (!$isfile) {
$this->_htmlbody = $data;
} else {
$cont = $this->_file2str($data);
if (PEAR::isError($cont)) {
return $cont;
}
$this->_htmlbody = $cont;
}
return true;
}
/**
* Get message HTML body
*
* @return string HTML body
* @access public
* @since 1.6.0
*/
function getHTMLBody()
{
return $this->_htmlbody;
}
/**
* Adds an image to the list of embedded images.
*
* @param string $file The image file name OR image data itself
* @param string $c_type The content type
* @param string $name The filename of the image.
* Only used if $file is the image data.
* @param bool $isfile Whether $file is a filename or not.
* Defaults to true
* @param string $content_id Desired Content-ID of MIME part
* Defaults to generated unique ID
*
* @return bool True on success
* @access public
*/
function addHTMLImage($file,
$c_type='application/octet-stream',
$name = '',
$isfile = true,
$content_id = null
) {
$bodyfile = null;
if ($isfile) {
// Don't load file into memory
if ($this->_build_params['delay_file_io']) {
$filedata = null;
$bodyfile = $file;
} else {
if (PEAR::isError($filedata = $this->_file2str($file))) {
return $filedata;
}
}
$filename = ($name ? $name : $file);
} else {
$filedata = $file;
$filename = $name;
}
if (!$content_id) {
$content_id = md5(uniqid(time()));
}
$this->_html_images[] = array(
'body' => $filedata,
'body_file' => $bodyfile,
'name' => $filename,
'c_type' => $c_type,
'cid' => $content_id
);
return true;
}
/**
* Adds a file to the list of attachments.
*
* @param string $file The file name of the file to attach
* or the file contents itself
* @param string $c_type The content type
* @param string $name The filename of the attachment
* Only use if $file is the contents
* @param bool $isfile Whether $file is a filename or not. Defaults to true
* @param string $encoding The type of encoding to use. Defaults to base64.
* Possible values: 7bit, 8bit, base64 or quoted-printable.
* @param string $disposition The content-disposition of this file
* Defaults to attachment.
* Possible values: attachment, inline.
* @param string $charset The character set of attachment's content.
* @param string $language The language of the attachment
* @param string $location The RFC 2557.4 location of the attachment
* @param string $n_encoding Encoding of the attachment's name in Content-Type
* By default filenames are encoded using RFC2231 method
* Here you can set RFC2047 encoding (quoted-printable
* or base64) instead
* @param string $f_encoding Encoding of the attachment's filename
* in Content-Disposition header.
* @param string $description Content-Description header
* @param string $h_charset The character set of the headers e.g. filename
* If not specified, $charset will be used
*
* @return mixed True on success or PEAR_Error object
* @access public
*/
function addAttachment($file,
$c_type = 'application/octet-stream',
$name = '',
$isfile = true,
$encoding = 'base64',
$disposition = 'attachment',
$charset = '',
$language = '',
$location = '',
$n_encoding = null,
$f_encoding = null,
$description = '',
$h_charset = null
) {
$bodyfile = null;
if ($isfile) {
// Don't load file into memory
if ($this->_build_params['delay_file_io']) {
$filedata = null;
$bodyfile = $file;
} else {
if (PEAR::isError($filedata = $this->_file2str($file))) {
return $filedata;
}
}
// Force the name the user supplied, otherwise use $file
$filename = ($name ? $name : $file);
} else {
$filedata = $file;
$filename = $name;
}
if (!strlen($filename)) {
$msg = "The supplied filename for the attachment can't be empty";
$err = PEAR::raiseError($msg);
return $err;
}
$filename = $this->_basename($filename);
$this->_parts[] = array(
'body' => $filedata,
'body_file' => $bodyfile,
'name' => $filename,
'c_type' => $c_type,
'charset' => $charset,
'encoding' => $encoding,
'language' => $language,
'location' => $location,
'disposition' => $disposition,
'description' => $description,
'name_encoding' => $n_encoding,
'filename_encoding' => $f_encoding,
'headers_charset' => $h_charset,
);
return true;
}
/**
* Get the contents of the given file name as string
*
* @param string $file_name Path of file to process
*
* @return string Contents of $file_name
* @access private
*/
function &_file2str($file_name)
{
// Check state of file and raise an error properly
if (!file_exists($file_name)) {
$err = PEAR::raiseError('File not found: ' . $file_name);
return $err;
}
if (!is_file($file_name)) {
$err = PEAR::raiseError('Not a regular file: ' . $file_name);
return $err;
}
if (!is_readable($file_name)) {
$err = PEAR::raiseError('File is not readable: ' . $file_name);
return $err;
}
// Temporarily reset magic_quotes_runtime and read file contents
if ($magic_quote_setting = get_magic_quotes_runtime()) {
@ini_set('magic_quotes_runtime', 0);
}
$cont = file_get_contents($file_name);
if ($magic_quote_setting) {
@ini_set('magic_quotes_runtime', $magic_quote_setting);
}
return $cont;
}
/**
* Adds a text subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed &$obj The object to add the part to, or
* null if a new object is to be created.
* @param string $text The text to add.
*
* @return object The text mimePart object
* @access private
*/
function &_addTextPart(&$obj, $text)
{
$params['content_type'] = 'text/plain';
$params['encoding'] = $this->_build_params['text_encoding'];
$params['charset'] = $this->_build_params['text_charset'];
$params['eol'] = $this->_build_params['eol'];
if (is_object($obj)) {
$ret = $obj->addSubpart($text, $params);
return $ret;
} else {
$ret = new Mail_mimePart($text, $params);
return $ret;
}
}
/**
* Adds a html subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed &$obj The object to add the part to, or
* null if a new object is to be created.
*
* @return object The html mimePart object
* @access private
*/
function &_addHtmlPart(&$obj)
{
$params['content_type'] = 'text/html';
$params['encoding'] = $this->_build_params['html_encoding'];
$params['charset'] = $this->_build_params['html_charset'];
$params['eol'] = $this->_build_params['eol'];
if (is_object($obj)) {
$ret = $obj->addSubpart($this->_htmlbody, $params);
return $ret;
} else {
$ret = new Mail_mimePart($this->_htmlbody, $params);
return $ret;
}
}
/**
* Creates a new mimePart object, using multipart/mixed as
* the initial content-type and returns it during the
* build process.
*
* @return object The multipart/mixed mimePart object
* @access private
*/
function &_addMixedPart()
{
$params = array();
$params['content_type'] = 'multipart/mixed';
$params['eol'] = $this->_build_params['eol'];
// Create empty multipart/mixed Mail_mimePart object to return
$ret = new Mail_mimePart('', $params);
return $ret;
}
/**
* Adds a multipart/alternative part to a mimePart
* object (or creates one), and returns it during
* the build process.
*
* @param mixed &$obj The object to add the part to, or
* null if a new object is to be created.
*
* @return object The multipart/mixed mimePart object
* @access private
*/
function &_addAlternativePart(&$obj)
{
$params['content_type'] = 'multipart/alternative';
$params['eol'] = $this->_build_params['eol'];
if (is_object($obj)) {
return $obj->addSubpart('', $params);
} else {
$ret = new Mail_mimePart('', $params);
return $ret;
}
}
/**
* Adds a multipart/related part to a mimePart
* object (or creates one), and returns it during
* the build process.
*
* @param mixed &$obj The object to add the part to, or
* null if a new object is to be created
*
* @return object The multipart/mixed mimePart object
* @access private
*/
function &_addRelatedPart(&$obj)
{
$params['content_type'] = 'multipart/related';
$params['eol'] = $this->_build_params['eol'];
if (is_object($obj)) {
return $obj->addSubpart('', $params);
} else {
$ret = new Mail_mimePart('', $params);
return $ret;
}
}
/**
* Adds an html image subpart to a mimePart object
* and returns it during the build process.
*
* @param object &$obj The mimePart to add the image to
* @param array $value The image information
*
* @return object The image mimePart object
* @access private
*/
function &_addHtmlImagePart(&$obj, $value)
{
$params['content_type'] = $value['c_type'];
$params['encoding'] = 'base64';
$params['disposition'] = 'inline';
$params['filename'] = $value['name'];
$params['cid'] = $value['cid'];
$params['body_file'] = $value['body_file'];
$params['eol'] = $this->_build_params['eol'];
if (!empty($value['name_encoding'])) {
$params['name_encoding'] = $value['name_encoding'];
}
if (!empty($value['filename_encoding'])) {
$params['filename_encoding'] = $value['filename_encoding'];
}
$ret = $obj->addSubpart($value['body'], $params);
return $ret;
}
/**
* Adds an attachment subpart to a mimePart object
* and returns it during the build process.
*
* @param object &$obj The mimePart to add the image to
* @param array $value The attachment information
*
* @return object The image mimePart object
* @access private
*/
function &_addAttachmentPart(&$obj, $value)
{
$params['eol'] = $this->_build_params['eol'];
$params['filename'] = $value['name'];
$params['encoding'] = $value['encoding'];
$params['content_type'] = $value['c_type'];
$params['body_file'] = $value['body_file'];
$params['disposition'] = isset($value['disposition']) ?
$value['disposition'] : 'attachment';
// content charset
if (!empty($value['charset'])) {
$params['charset'] = $value['charset'];
}
// headers charset (filename, description)
if (!empty($value['headers_charset'])) {
$params['headers_charset'] = $value['headers_charset'];
}
if (!empty($value['language'])) {
$params['language'] = $value['language'];
}
if (!empty($value['location'])) {
$params['location'] = $value['location'];
}
if (!empty($value['name_encoding'])) {
$params['name_encoding'] = $value['name_encoding'];
}
if (!empty($value['filename_encoding'])) {
$params['filename_encoding'] = $value['filename_encoding'];
}
if (!empty($value['description'])) {
$params['description'] = $value['description'];
}
$ret = $obj->addSubpart($value['body'], $params);
return $ret;
}
/**
* Returns the complete e-mail, ready to send using an alternative
* mail delivery method. Note that only the mailpart that is made
* with Mail_Mime is created. This means that,
* YOU WILL HAVE NO TO: HEADERS UNLESS YOU SET IT YOURSELF
* using the $headers parameter!
*
* @param string $separation The separation between these two parts.
* @param array $params The Build parameters passed to the
* &get() function. See &get for more info.
* @param array $headers The extra headers that should be passed
* to the &headers() function.
* See that function for more info.
* @param bool $overwrite Overwrite the existing headers with new.
*
* @return mixed The complete e-mail or PEAR error object
* @access public
*/
function getMessage($separation = null, $params = null, $headers = null,
$overwrite = false
) {
if ($separation === null) {
$separation = $this->_build_params['eol'];
}
$body = $this->get($params);
if (PEAR::isError($body)) {
return $body;
}
$head = $this->txtHeaders($headers, $overwrite);
$mail = $head . $separation . $body;
return $mail;
}
/**
* Returns the complete e-mail body, ready to send using an alternative
* mail delivery method.
*
* @param array $params The Build parameters passed to the
* &get() function. See &get for more info.
*
* @return mixed The e-mail body or PEAR error object
* @access public
* @since 1.6.0
*/
function getMessageBody($params = null)
{
return $this->get($params, null, true);
}
/**
* Writes (appends) the complete e-mail into file.
*
* @param string $filename Output file location
* @param array $params The Build parameters passed to the
* &get() function. See &get for more info.
* @param array $headers The extra headers that should be passed
* to the &headers() function.
* See that function for more info.
* @param bool $overwrite Overwrite the existing headers with new.
*
* @return mixed True or PEAR error object
* @access public
* @since 1.6.0
*/
function saveMessage($filename, $params = null, $headers = null, $overwrite = false)
{
// Check state of file and raise an error properly
if (file_exists($filename) && !is_writable($filename)) {
$err = PEAR::raiseError('File is not writable: ' . $filename);
return $err;
}
// Temporarily reset magic_quotes_runtime and read file contents
if ($magic_quote_setting = get_magic_quotes_runtime()) {
@ini_set('magic_quotes_runtime', 0);
}
if (!($fh = fopen($filename, 'ab'))) {
$err = PEAR::raiseError('Unable to open file: ' . $filename);
return $err;
}
// Write message headers into file (skipping Content-* headers)
$head = $this->txtHeaders($headers, $overwrite, true);
if (fwrite($fh, $head) === false) {
$err = PEAR::raiseError('Error writing to file: ' . $filename);
return $err;
}
fclose($fh);
if ($magic_quote_setting) {
@ini_set('magic_quotes_runtime', $magic_quote_setting);
}
// Write the rest of the message into file
$res = $this->get($params, $filename);
return $res ? $res : true;
}
/**
* Writes (appends) the complete e-mail body into file.
*
* @param string $filename Output file location
* @param array $params The Build parameters passed to the
* &get() function. See &get for more info.
*
* @return mixed True or PEAR error object
* @access public
* @since 1.6.0
*/
function saveMessageBody($filename, $params = null)
{
// Check state of file and raise an error properly
if (file_exists($filename) && !is_writable($filename)) {
$err = PEAR::raiseError('File is not writable: ' . $filename);
return $err;
}
// Temporarily reset magic_quotes_runtime and read file contents
if ($magic_quote_setting = get_magic_quotes_runtime()) {
@ini_set('magic_quotes_runtime', 0);
}
if (!($fh = fopen($filename, 'ab'))) {
$err = PEAR::raiseError('Unable to open file: ' . $filename);
return $err;
}
// Write the rest of the message into file
$res = $this->get($params, $filename, true);
return $res ? $res : true;
}
/**
* Builds the multipart message from the list ($this->_parts) and
* returns the mime content.
*
* @param array $params Build parameters that change the way the email
* is built. Should be associative. See $_build_params.
* @param resource $filename Output file where to save the message instead of
* returning it
* @param boolean $skip_head True if you want to return/save only the message
* without headers
*
* @return mixed The MIME message content string, null or PEAR error object
* @access public
*/
function &get($params = null, $filename = null, $skip_head = false)
{
if (isset($params)) {
while (list($key, $value) = each($params)) {
$this->_build_params[$key] = $value;
}
}
if (isset($this->_headers['From'])) {
// Bug #11381: Illegal characters in domain ID
if (preg_match('#(@[0-9a-zA-Z\-\.]+)#', $this->_headers['From'], $matches)) {
$domainID = $matches[1];
} else {
$domainID = '@localhost';
}
foreach ($this->_html_images as $i => $img) {
$cid = $this->_html_images[$i]['cid'];
if (!preg_match('#'.preg_quote($domainID).'$#', $cid)) {
$this->_html_images[$i]['cid'] = $cid . $domainID;
}
}
}
if (count($this->_html_images) && isset($this->_htmlbody)) {
foreach ($this->_html_images as $key => $value) {
$regex = array();
$regex[] = '#(\s)((?i)src|background|href(?-i))\s*=\s*(["\']?)' .
preg_quote($value['name'], '#') . '\3#';
$regex[] = '#(?i)url(?-i)\(\s*(["\']?)' .
preg_quote($value['name'], '#') . '\1\s*\)#';
$rep = array();
$rep[] = '\1\2=\3cid:' . $value['cid'] .'\3';
$rep[] = 'url(\1cid:' . $value['cid'] . '\1)';
$this->_htmlbody = preg_replace($regex, $rep, $this->_htmlbody);
$this->_html_images[$key]['name']
= $this->_basename($this->_html_images[$key]['name']);
}
}
$this->_checkParams();
$null = null;
$attachments = count($this->_parts) ? true : false;
$html_images = count($this->_html_images) ? true : false;
$html = strlen($this->_htmlbody) ? true : false;
$text = (!$html && strlen($this->_txtbody)) ? true : false;
switch (true) {
case $text && !$attachments:
$message =& $this->_addTextPart($null, $this->_txtbody);
break;
case !$text && !$html && $attachments:
$message =& $this->_addMixedPart();
for ($i = 0; $i < count($this->_parts); $i++) {
$this->_addAttachmentPart($message, $this->_parts[$i]);
}
break;
case $text && $attachments:
$message =& $this->_addMixedPart();
$this->_addTextPart($message, $this->_txtbody);
for ($i = 0; $i < count($this->_parts); $i++) {
$this->_addAttachmentPart($message, $this->_parts[$i]);
}
break;
case $html && !$attachments && !$html_images:
if (isset($this->_txtbody)) {
$message =& $this->_addAlternativePart($null);
$this->_addTextPart($message, $this->_txtbody);
$this->_addHtmlPart($message);
} else {
$message =& $this->_addHtmlPart($null);
}
break;
case $html && !$attachments && $html_images:
// * Content-Type: multipart/alternative;
// * text
// * Content-Type: multipart/related;
// * html
// * image...
if (isset($this->_txtbody)) {
$message =& $this->_addAlternativePart($null);
$this->_addTextPart($message, $this->_txtbody);
$ht =& $this->_addRelatedPart($message);
$this->_addHtmlPart($ht);
for ($i = 0; $i < count($this->_html_images); $i++) {
$this->_addHtmlImagePart($ht, $this->_html_images[$i]);
}
} else {
// * Content-Type: multipart/related;
// * html
// * image...
$message =& $this->_addRelatedPart($null);
$this->_addHtmlPart($message);
for ($i = 0; $i < count($this->_html_images); $i++) {
$this->_addHtmlImagePart($message, $this->_html_images[$i]);
}
}
/*
// #13444, #9725: the code below was a non-RFC compliant hack
// * Content-Type: multipart/related;
// * Content-Type: multipart/alternative;
// * text
// * html
// * image...
$message =& $this->_addRelatedPart($null);
if (isset($this->_txtbody)) {
$alt =& $this->_addAlternativePart($message);
$this->_addTextPart($alt, $this->_txtbody);
$this->_addHtmlPart($alt);
} else {
$this->_addHtmlPart($message);
}
for ($i = 0; $i < count($this->_html_images); $i++) {
$this->_addHtmlImagePart($message, $this->_html_images[$i]);
}
*/
break;
case $html && $attachments && !$html_images:
$message =& $this->_addMixedPart();
if (isset($this->_txtbody)) {
$alt =& $this->_addAlternativePart($message);
$this->_addTextPart($alt, $this->_txtbody);
$this->_addHtmlPart($alt);
} else {
$this->_addHtmlPart($message);
}
for ($i = 0; $i < count($this->_parts); $i++) {
$this->_addAttachmentPart($message, $this->_parts[$i]);
}
break;
case $html && $attachments && $html_images:
$message =& $this->_addMixedPart();
if (isset($this->_txtbody)) {
$alt =& $this->_addAlternativePart($message);
$this->_addTextPart($alt, $this->_txtbody);
$rel =& $this->_addRelatedPart($alt);
} else {
$rel =& $this->_addRelatedPart($message);
}
$this->_addHtmlPart($rel);
for ($i = 0; $i < count($this->_html_images); $i++) {
$this->_addHtmlImagePart($rel, $this->_html_images[$i]);
}
for ($i = 0; $i < count($this->_parts); $i++) {
$this->_addAttachmentPart($message, $this->_parts[$i]);
}
break;
}
if (!isset($message)) {
$ret = null;
return $ret;
}
// Use saved boundary
if (!empty($this->_build_params['boundary'])) {
$boundary = $this->_build_params['boundary'];
} else {
$boundary = null;
}
// Write output to file
if ($filename) {
// Append mimePart message headers and body into file
$headers = $message->encodeToFile($filename, $boundary, $skip_head);
if (PEAR::isError($headers)) {
return $headers;
}
$this->_headers = array_merge($this->_headers, $headers);
$ret = null;
return $ret;
} else {
$output = $message->encode($boundary, $skip_head);
if (PEAR::isError($output)) {
return $output;
}
$this->_headers = array_merge($this->_headers, $output['headers']);
$body = $output['body'];
return $body;
}
}
/**
* Returns an array with the headers needed to prepend to the email
* (MIME-Version and Content-Type). Format of argument is:
* $array['header-name'] = 'header-value';
*
* @param array $xtra_headers Assoc array with any extra headers (optional)
* (Don't set Content-Type for multipart messages here!)
* @param bool $overwrite Overwrite already existing headers.
* @param bool $skip_content Don't return content headers: Content-Type,
* Content-Disposition and Content-Transfer-Encoding
*
* @return array Assoc array with the mime headers
* @access public
*/
function &headers($xtra_headers = null, $overwrite = false, $skip_content = false)
{
// Add mime version header
$headers['MIME-Version'] = '1.0';
// Content-Type and Content-Transfer-Encoding headers should already
// be present if get() was called, but we'll re-set them to make sure
// we got them when called before get() or something in the message
// has been changed after get() [#14780]
if (!$skip_content) {
$headers += $this->_contentHeaders();
}
if (!empty($xtra_headers)) {
$headers = array_merge($headers, $xtra_headers);
}
if ($overwrite) {
$this->_headers = array_merge($this->_headers, $headers);
} else {
$this->_headers = array_merge($headers, $this->_headers);
}
$headers = $this->_headers;
if ($skip_content) {
unset($headers['Content-Type']);
unset($headers['Content-Transfer-Encoding']);
unset($headers['Content-Disposition']);
} else if (!empty($this->_build_params['ctype'])) {
$headers['Content-Type'] = $this->_build_params['ctype'];
}
$encodedHeaders = $this->_encodeHeaders($headers);
return $encodedHeaders;
}
/**
* Get the text version of the headers
* (usefull if you want to use the PHP mail() function)
*
* @param array $xtra_headers Assoc array with any extra headers (optional)
* (Don't set Content-Type for multipart messages here!)
* @param bool $overwrite Overwrite the existing headers with new.
* @param bool $skip_content Don't return content headers: Content-Type,
* Content-Disposition and Content-Transfer-Encoding
*
* @return string Plain text headers
* @access public
*/
function txtHeaders($xtra_headers = null, $overwrite = false, $skip_content = false)
{
$headers = $this->headers($xtra_headers, $overwrite, $skip_content);
// Place Received: headers at the beginning of the message
// Spam detectors often flag messages with it after the Subject: as spam
if (isset($headers['Received'])) {
$received = $headers['Received'];
unset($headers['Received']);
$headers = array('Received' => $received) + $headers;
}
$ret = '';
$eol = $this->_build_params['eol'];
foreach ($headers as $key => $val) {
if (is_array($val)) {
foreach ($val as $value) {
$ret .= "$key: $value" . $eol;
}
} else {
$ret .= "$key: $val" . $eol;
}
}
return $ret;
}
/**
* Sets message Content-Type header.
* Use it to build messages with various content-types e.g. miltipart/raport
* not supported by _contentHeaders() function.
*
* @param string $type Type name
* @param array $params Hash array of header parameters
*
* @return void
* @access public
* @since 1.7.0
*/
function setContentType($type, $params = array())
{
$header = $type;
$eol = !empty($this->_build_params['eol'])
? $this->_build_params['eol'] : "\r\n";
// add parameters
$token_regexp = '#([^\x21\x23-\x27\x2A\x2B\x2D'
. '\x2E\x30-\x39\x41-\x5A\x5E-\x7E])#';
if (is_array($params)) {
foreach ($params as $name => $value) {
if ($name == 'boundary') {
$this->_build_params['boundary'] = $value;
}
if (!preg_match($token_regexp, $value)) {
$header .= ";$eol $name=$value";
} else {
$value = addcslashes($value, '\\"');
$header .= ";$eol $name=\"$value\"";
}
}
}
// add required boundary parameter if not defined
if (preg_match('/^multipart\//i', $type)) {
if (empty($this->_build_params['boundary'])) {
$this->_build_params['boundary'] = '=_' . md5(rand() . microtime());
}
$header .= ";$eol boundary=\"".$this->_build_params['boundary']."\"";
}
$this->_build_params['ctype'] = $header;
}
/**
* Sets the Subject header
*
* @param string $subject String to set the subject to.
*
* @return void
* @access public
*/
function setSubject($subject)
{
$this->_headers['Subject'] = $subject;
}
/**
* Set an email to the From (the sender) header
*
* @param string $email The email address to use
*
* @return void
* @access public
*/
function setFrom($email)
{
$this->_headers['From'] = $email;
}
/**
* Add an email to the To header
* (multiple calls to this method are allowed)
*
* @param string $email The email direction to add
*
* @return void
* @access public
*/
function addTo($email)
{
if (isset($this->_headers['To'])) {
$this->_headers['To'] .= ", $email";
} else {
$this->_headers['To'] = $email;
}
}
/**
* Add an email to the Cc (carbon copy) header
* (multiple calls to this method are allowed)
*
* @param string $email The email direction to add
*
* @return void
* @access public
*/
function addCc($email)
{
if (isset($this->_headers['Cc'])) {
$this->_headers['Cc'] .= ", $email";
} else {
$this->_headers['Cc'] = $email;
}
}
/**
* Add an email to the Bcc (blank carbon copy) header
* (multiple calls to this method are allowed)
*
* @param string $email The email direction to add
*
* @return void
* @access public
*/
function addBcc($email)
{
if (isset($this->_headers['Bcc'])) {
$this->_headers['Bcc'] .= ", $email";
} else {
$this->_headers['Bcc'] = $email;
}
}
/**
* Since the PHP send function requires you to specify
* recipients (To: header) separately from the other
* headers, the To: header is not properly encoded.
* To fix this, you can use this public method to
* encode your recipients before sending to the send
* function
*
* @param string $recipients A comma-delimited list of recipients
*
* @return string Encoded data
* @access public
*/
function encodeRecipients($recipients)
{
$input = array("To" => $recipients);
$retval = $this->_encodeHeaders($input);
return $retval["To"] ;
}
/**
* Encodes headers as per RFC2047
*
* @param array $input The header data to encode
* @param array $params Extra build parameters
*
* @return array Encoded data
* @access private
*/
function _encodeHeaders($input, $params = array())
{
$build_params = $this->_build_params;
while (list($key, $value) = each($params)) {
$build_params[$key] = $value;
}
foreach ($input as $hdr_name => $hdr_value) {
if (is_array($hdr_value)) {
foreach ($hdr_value as $idx => $value) {
$input[$hdr_name][$idx] = $this->encodeHeader(
$hdr_name, $value,
$build_params['head_charset'], $build_params['head_encoding']
);
}
} else {
$input[$hdr_name] = $this->encodeHeader(
$hdr_name, $hdr_value,
$build_params['head_charset'], $build_params['head_encoding']
);
}
}
return $input;
}
/**
* Encodes a header as per RFC2047
*
* @param string $name The header name
* @param string $value The header data to encode
* @param string $charset Character set name
* @param string $encoding Encoding name (base64 or quoted-printable)
*
* @return string Encoded header data (without a name)
* @access public
* @since 1.5.3
*/
function encodeHeader($name, $value, $charset, $encoding)
{
return Mail_mimePart::encodeHeader(
$name, $value, $charset, $encoding, $this->_build_params['eol']
);
}
/**
* Get file's basename (locale independent)
*
* @param string $filename Filename
*
* @return string Basename
* @access private
*/
function _basename($filename)
{
// basename() is not unicode safe and locale dependent
if (stristr(PHP_OS, 'win') || stristr(PHP_OS, 'netware')) {
return preg_replace('/^.*[\\\\\\/]/', '', $filename);
} else {
return preg_replace('/^.*[\/]/', '', $filename);
}
}
/**
* Get Content-Type and Content-Transfer-Encoding headers of the message
*
* @return array Headers array
* @access private
*/
function _contentHeaders()
{
$attachments = count($this->_parts) ? true : false;
$html_images = count($this->_html_images) ? true : false;
$html = strlen($this->_htmlbody) ? true : false;
$text = (!$html && strlen($this->_txtbody)) ? true : false;
$headers = array();
// See get()
switch (true) {
case $text && !$attachments:
$headers['Content-Type'] = 'text/plain';
break;
case !$text && !$html && $attachments:
case $text && $attachments:
case $html && $attachments && !$html_images:
case $html && $attachments && $html_images:
$headers['Content-Type'] = 'multipart/mixed';
break;
case $html && !$attachments && !$html_images && isset($this->_txtbody):
case $html && !$attachments && $html_images && isset($this->_txtbody):
$headers['Content-Type'] = 'multipart/alternative';
break;
case $html && !$attachments && !$html_images && !isset($this->_txtbody):
$headers['Content-Type'] = 'text/html';
break;
case $html && !$attachments && $html_images && !isset($this->_txtbody):
$headers['Content-Type'] = 'multipart/related';
break;
default:
return $headers;
}
$this->_checkParams();
$eol = !empty($this->_build_params['eol'])
? $this->_build_params['eol'] : "\r\n";
if ($headers['Content-Type'] == 'text/plain') {
// single-part message: add charset and encoding
$charset = 'charset=' . $this->_build_params['text_charset'];
// place charset parameter in the same line, if possible
// 26 = strlen("Content-Type: text/plain; ")
$headers['Content-Type']
.= (strlen($charset) + 26 <= 76) ? "; $charset" : ";$eol $charset";
$headers['Content-Transfer-Encoding']
= $this->_build_params['text_encoding'];
} else if ($headers['Content-Type'] == 'text/html') {
// single-part message: add charset and encoding
$charset = 'charset=' . $this->_build_params['html_charset'];
// place charset parameter in the same line, if possible
$headers['Content-Type']
.= (strlen($charset) + 25 <= 76) ? "; $charset" : ";$eol $charset";
$headers['Content-Transfer-Encoding']
= $this->_build_params['html_encoding'];
} else {
// multipart message: and boundary
if (!empty($this->_build_params['boundary'])) {
$boundary = $this->_build_params['boundary'];
} else if (!empty($this->_headers['Content-Type'])
&& preg_match('/boundary="([^"]+)"/', $this->_headers['Content-Type'], $m)
) {
$boundary = $m[1];
} else {
$boundary = '=_' . md5(rand() . microtime());
}
$this->_build_params['boundary'] = $boundary;
$headers['Content-Type'] .= ";$eol boundary=\"$boundary\"";
}
return $headers;
}
/**
* Validate and set build parameters
*
* @return void
* @access private
*/
function _checkParams()
{
$encodings = array('7bit', '8bit', 'base64', 'quoted-printable');
$this->_build_params['text_encoding']
= strtolower($this->_build_params['text_encoding']);
$this->_build_params['html_encoding']
= strtolower($this->_build_params['html_encoding']);
if (!in_array($this->_build_params['text_encoding'], $encodings)) {
$this->_build_params['text_encoding'] = '7bit';
}
if (!in_array($this->_build_params['html_encoding'], $encodings)) {
$this->_build_params['html_encoding'] = '7bit';
}
// text body
if ($this->_build_params['text_encoding'] == '7bit'
&& !preg_match('/ascii/i', $this->_build_params['text_charset'])
&& preg_match('/[^\x00-\x7F]/', $this->_txtbody)
) {
$this->_build_params['text_encoding'] = 'quoted-printable';
}
// html body
if ($this->_build_params['html_encoding'] == '7bit'
&& !preg_match('/ascii/i', $this->_build_params['html_charset'])
&& preg_match('/[^\x00-\x7F]/', $this->_htmlbody)
) {
$this->_build_params['html_encoding'] = 'quoted-printable';
}
}
} // End of class

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Expires
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Storage Handle
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Default Alt Text
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