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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 version 5, 7 and 8
*
* 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 Release: @package_version@
* @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_once 'PEAR.php';
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
*/
protected $txtbody = '';
/**
* Contains the html part of the email
*
* @var string
*/
protected $htmlbody = '';
/**
* Contains the text/calendar part of the email
*
* @var string
*/
protected $calbody = '';
/**
* List of the attached images
*
* @var array
*/
protected $html_images = array();
/**
* List of the attachements
*
* @var array
*/
protected $parts = array();
/**
* Headers for the mail
*
* @var array
*/
protected $headers = array();
/**
* Build parameters
*
* @var array
*/
protected $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',
// What encoding to use for calendar part
// Options: 7bit, 8bit, base64, or quoted-printable
'calendar_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 calendar part
'calendar_charset' => 'UTF-8',
// 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,
// Default calendar method
'calendar_method' => 'request',
// multipart part preamble (RFC2046 5.1.1)
'preamble' => '',
);
/**
* Constructor function
*
* @param mixed $params Build parameters that change the way the email
* is built. Should be an associative array.
* See $_build_params.
*
* @return void
*/
public function __construct($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)) {
$this->build_params = array_merge($this->build_params, $params);
}
}
/**
* Set build parameter value
*
* @param string $name Parameter name
* @param string $value Parameter value
*
* @return void
* @since 1.6.0
*/
public function setParam($name, $value)
{
$this->build_params[$name] = $value;
}
/**
* Get build parameter value
*
* @param string $name Parameter name
*
* @return mixed Parameter value
* @since 1.6.0
*/
public function getParam($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 $append If true the text or file is appended to
* the existing body, else the old body is
* overwritten
*
* @return mixed True on success or PEAR_Error object
*/
public function setTXTBody($data, $isfile = false, $append = false)
{
return $this->setBody('txtbody', $data, $isfile, $append);
}
/**
* Get message text body
*
* @return string Text body
* @since 1.6.0
*/
public 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 $data is a
* filename, or a string(false, default)
*
* @return bool True on success or PEAR_Error object
*/
public function setHTMLBody($data, $isfile = false)
{
return $this->setBody('htmlbody', $data, $isfile);
}
/**
* Get message HTML body
*
* @return string HTML body
* @since 1.6.0
*/
public function getHTMLBody()
{
return $this->htmlbody;
}
/**
* Function to set a body of text/calendar part (not attachment)
*
* @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
* @param string $method iCalendar object method
* @param string $charset iCalendar character set
* @param string $encoding Transfer encoding
*
* @return mixed True on success or PEAR_Error object
* @since 1.9.0
*/
public function setCalendarBody($data, $isfile = false, $append = false,
$method = 'request', $charset = 'UTF-8', $encoding = 'quoted-printable'
) {
$result = $this->setBody('calbody', $data, $isfile, $append);
if ($result === true) {
$this->build_params['calendar_method'] = $method;
$this->build_params['calendar_charset'] = $charset;
$this->build_params['calendar_encoding'] = $encoding;
}
}
/**
* Get body of calendar part
*
* @return string Calendar part body
* @since 1.9.0
*/
public function getCalendarBody()
{
return $this->calbody;
}
/**
* Adds an image to the list of embedded images.
* Images added this way will be added as related parts of the HTML message.
*
* To correctly match the HTML image with the related attachment
* HTML should refer to it by a filename (specified in $file or $name
* arguments) or by cid:<content-id> (specified in $content_id arg).
*
* @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. Used to find
* the image in HTML content.
* @param bool $isfile Whether $file is a filename or not.
* Defaults to true
* @param string $content_id Desired Content-ID of MIME part
* Defaults to generated unique ID
*
* @return bool True on success
*/
public function addHTMLImage($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 = $file;
} else {
if (self::isError($filedata = $this->file2str($file))) {
return $filedata;
}
}
$filename = $name ? $name : $file;
} else {
$filedata = $file;
$filename = $name;
}
if (!$content_id) {
$content_id = preg_replace('/[^0-9a-zA-Z]/', '', uniqid(time(), true));
}
$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 mixed $file The file name or the file contents itself,
* it can be also Mail_mimePart object
* @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
* @param array $add_headers Additional part headers. Array keys can be in form
* of <header_name>:<parameter_name>
*
* @return mixed True on success or PEAR_Error object
*/
public function addAttachment($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,
$add_headers = array()
) {
if ($file instanceof Mail_mimePart) {
$this->parts[] = $file;
return true;
}
$bodyfile = null;
if ($isfile) {
// Don't load file into memory
if ($this->build_params['delay_file_io']) {
$filedata = null;
$bodyfile = $file;
} else {
if (self::isError($filedata = $this->file2str($file))) {
return $filedata;
}
}
// Force the name the user supplied, otherwise use $file
$filename = ($name ? $name : $this->basename($file));
} else {
$filedata = $file;
$filename = $name;
}
if (!strlen($filename)) {
$msg = "The supplied filename for the attachment can't be empty";
return self::raiseError($msg);
}
$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,
'add_headers' => $add_headers,
'name_encoding' => $n_encoding,
'filename_encoding' => $f_encoding,
'headers_charset' => $h_charset,
);
return true;
}
/**
* Checks if the current message has many parts
*
* @return bool True if the message has many parts, False otherwise.
* @since 1.9.0
*/
public function isMultipart()
{
return count($this->parts) > 0 || count($this->html_images) > 0
|| (strlen($this->htmlbody) > 0 && strlen($this->txtbody) > 0);
}
/**
* Get the contents of the given file name as string
*
* @param string $file_name Path of file to process
*
* @return string Contents of $file_name
*/
protected function file2str($file_name)
{
// Check state of file and raise an error properly
if (!file_exists($file_name)) {
return self::raiseError('File not found: ' . $file_name);
}
if (!is_file($file_name)) {
return self::raiseError('Not a regular file: ' . $file_name);
}
if (!is_readable($file_name)) {
return self::raiseError('File is not readable: ' . $file_name);
}
// Temporarily reset magic_quotes_runtime and read file contents
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
$magic_quotes = @ini_set('magic_quotes_runtime', 0);
}
$cont = file_get_contents($file_name);
if (isset($magic_quotes)) {
@ini_set('magic_quotes_runtime', $magic_quotes);
}
return $cont;
}
/**
* Adds a text subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed $obj The object to add the part to, or
* anything else if a new object is to be created.
*
* @return object The text mimePart object
*/
protected function addTextPart($obj = null)
{
return $this->addBodyPart($obj, $this->txtbody, 'text/plain', 'text');
}
/**
* Adds a html subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed $obj The object to add the part to, or
* anything else if a new object is to be created.
*
* @return object The html mimePart object
*/
protected function addHtmlPart($obj = null)
{
return $this->addBodyPart($obj, $this->htmlbody, 'text/html', 'html');
}
/**
* Adds a calendar subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed $obj The object to add the part to, or
* anything else if a new object is to be created.
*
* @return object The text mimePart object
*/
protected function addCalendarPart($obj = null)
{
$ctype = 'text/calendar; method='. $this->build_params['calendar_method'];
return $this->addBodyPart($obj, $this->calbody, $ctype, 'calendar');
}
/**
* Creates a new mimePart object, using multipart/mixed as
* the initial content-type and returns it during the
* build process.
*
* @param array $params Additional part parameters
*
* @return object The multipart/mixed mimePart object
*/
protected function addMixedPart($params = array())
{
$params['content_type'] = 'multipart/mixed';
$params['eol'] = $this->build_params['eol'];
// Create empty multipart/mixed Mail_mimePart object to return
return new Mail_mimePart('', $params);
}
/**
* Adds a multipart/alternative part to a mimePart
* object (or creates one), and returns it during
* the build process.
*
* @param mixed $obj The object to add the part to, or
* anything else if a new object is to be created.
*
* @return object The multipart/mixed mimePart object
*/
protected function addAlternativePart($obj = null)
{
$params['content_type'] = 'multipart/alternative';
$params['eol'] = $this->build_params['eol'];
if (is_object($obj)) {
$ret = $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 $obj The object to add the part to, or
* anything else if a new object is to be created
*
* @return object The multipart/mixed mimePart object
*/
protected function addRelatedPart($obj = null)
{
$params['content_type'] = 'multipart/related';
$params['eol'] = $this->build_params['eol'];
if (is_object($obj)) {
$ret = $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 $value The image information
*
* @return object The image mimePart object
*/
protected function addHtmlImagePart($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'];
}
return $obj->addSubpart($value['body'], $params);
}
/**
* 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 mixed $value The attachment information array or Mail_mimePart object
*
* @return object The image mimePart object
*/
protected function addAttachmentPart($obj, $value)
{
if ($value instanceof Mail_mimePart) {
return $obj->addSubpart($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'] = $value['description'];
}
if (is_array($value['add_headers'])) {
$params['headers'] = $value['add_headers'];
}
return $obj->addSubpart($value['body'], $params);
}
/**
* 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() method.
* See that function for more info.
* @param bool $overwrite Overwrite the existing headers with new.
*
* @return mixed The complete e-mail or PEAR error object
*/
public function getMessage($separation = null, $params = null, $headers = null,
$overwrite = false
) {
if ($separation === null) {
$separation = $this->build_params['eol'];
}
$body = $this->get($params);
if (self::isError($body)) {
return $body;
}
return $this->txtHeaders($headers, $overwrite) . $separation . $body;
}
/**
* Returns the complete e-mail body, ready to send using an alternative
* mail delivery method.
*
* @param array $params The Build parameters passed to the
* get() method. See get() for more info.
*
* @return mixed The e-mail body or PEAR error object
* @since 1.6.0
*/
public function getMessageBody($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() method. 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 $overwrite Overwrite the existing headers with new.
*
* @return mixed True or PEAR error object
* @since 1.6.0
*/
public function saveMessage($filename, $params = null, $headers = null, $overwrite = false)
{
// Check state of file and raise an error properly
if (file_exists($filename) && !is_writable($filename)) {
return self::raiseError('File is not writable: ' . $filename);
}
// Temporarily reset magic_quotes_runtime and read file contents
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
$magic_quotes = @ini_set('magic_quotes_runtime', 0);
}
if (!($fh = fopen($filename, 'ab'))) {
return self::raiseError('Unable to open file: ' . $filename);
}
// Write message headers into file (skipping Content-* headers)
$head = $this->txtHeaders($headers, $overwrite, true);
if (fwrite($fh, $head) === false) {
return self::raiseError('Error writing to file: ' . $filename);
}
fclose($fh);
if (isset($magic_quotes)) {
@ini_set('magic_quotes_runtime', $magic_quotes);
}
// 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 or stream.
*
* @param mixed $filename Output filename or file pointer where to save
* the message instead of returning it
* @param array $params The Build parameters passed to the
* get() method. See get() for more info.
*
* @return mixed True or PEAR error object
* @since 1.6.0
*/
public function saveMessageBody($filename, $params = null)
{
if (!is_resource($filename)) {
// Check state of file and raise an error properly
if (!file_exists($filename) || !is_writable($filename)) {
return self::raiseError('File is not writable: ' . $filename);
}
if (!($fh = fopen($filename, 'ab'))) {
return self::raiseError('Unable to open file: ' . $filename);
}
} else {
$fh = $filename;
}
// Temporarily reset magic_quotes_runtime and read file contents
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
$magic_quotes = @ini_set('magic_quotes_runtime', 0);
}
// Write the rest of the message into file
$res = $this->get($params, $fh, true);
if (!is_resource($filename)) {
fclose($fh);
}
if (isset($magic_quotes)) {
@ini_set('magic_quotes_runtime', $magic_quotes);
}
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 mixed $filename Output filename or file pointer where to save
* the message instead of returning it
* @param boolean $skip_head True if you want to return/save only the message
* without headers
*
* @return mixed The MIME message content string, null or PEAR error object
*/
public function get($params = null, $filename = null, $skip_head = false)
{
if (!empty($params) && is_array($params)) {
$this->build_params = array_merge($this->build_params, $params);
}
if (isset($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) && strlen($this->htmlbody) > 0) {
foreach ($this->html_images as $key => $value) {
$rval = preg_quote($value['name'], '#');
$regex = array(
'#(\s)((?i)src|background|href(?-i))\s*=\s*(["\']?)' . $rval . '\3#',
'#(?i)url(?-i)\(\s*(["\']?)' . $rval . '\1\s*\)#',
);
$rep = array(
'\1\2=\3cid:' . $value['cid'] .'\3',
'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();
$message = $this->buildBodyPart();
if (!isset($message)) {
return null;
}
// 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, $skip_head);
if (self::isError($headers)) {
return $headers;
}
$this->headers = array_merge($this->headers, $headers);
} else {
$output = $message->encode($boundary, $skip_head);
if (self::isError($output)) {
return $output;
}
$this->headers = array_merge($this->headers, $output['headers']);
}
// remember the boundary used, in case we'd handle headers() call later
if (empty($boundary) && !empty($this->headers['Content-Type'])) {
if (preg_match('/boundary="([^"]+)/', $this->headers['Content-Type'], $m)) {
$this->build_params['boundary'] = $m[1];
}
}
return $filename ? null : $output['body'];
}
/**
* Builds the main body MIME part for the email body. It will add a mixed part
* if attachments are found. If no attachments are found it will return an
* alternative part if several body texts are found (text, html, calendar),
* or a single part if only one body text is found.
*
* @return Mail_mimePart|null The corresponding part for the body or null.
*
* @see buildAlternativeParts
* @see buildHtmlParts
*/
protected function buildBodyPart()
{
$parts_count = count($this->parts);
$mixed_params = array('preamble' => $this->build_params['preamble']);
$message = null;
if ($parts_count > 0) {
$message = $this->addMixedPart($mixed_params);
$this->buildAlternativeParts($message, null);
for ($i = 0; $i < $parts_count; $i++) {
$this->addAttachmentPart($message, $this->parts[$i]);
}
} else {
$message = $this->buildAlternativeParts(null, $mixed_params);
}
return $message;
}
/**
* Builds a single text, html, or calendar part only if one of them is found.
* If two or more parts are found, then an alternative part containing them is built.
*
* @param Mail_mimePart|null $parent_part The parent mime part to add
* the part or null
* @param array $mixed_params The needed params to create the
* part when no parent_part is
* received.
*
* @return null|object The main part built inside the method. It will be an
* alternative part or text, html, or calendar part.
* Null if no body texts are found.
*/
protected function buildAlternativeParts($parent_part, $mixed_params = null)
{
$html = strlen($this->htmlbody) > 0;
$calendar = strlen($this->calbody) > 0;
$has_text = strlen($this->txtbody) > 0;
$alternatives_count = $html + $calendar + $has_text;
if ($alternatives_count > 1) {
$alt_part = $this->addAlternativePart($parent_part ? $parent_part : $mixed_params);
} else {
$alt_part = null;
}
$dest_part = $alt_part ? $alt_part : $parent_part;
$part = null;
if ($has_text) {
$part = $this->addTextPart($dest_part);
}
if ($html) {
$part = $this->buildHtmlParts($dest_part);
}
if ($calendar) {
$part = $this->addCalendarPart($dest_part);
}
return $dest_part ? $dest_part : $part;
}
/**
* Builds html part as a single part or inside a related part with the html
* images thar were found.
*
* @param Mail_mimePart|null $parent_part The object to add the part to,
* or anything else if a new object
* is to be created.
*
* @return Mail_mimePart|null The created part or null if no htmlbody found.
*/
protected function buildHtmlParts($parent_part)
{
if (!strlen($this->htmlbody)) {
return null;
}
$count_html_images = count($this->html_images);
if ($count_html_images > 0) {
$part = $this->addRelatedPart($parent_part);
$this->addHtmlPart($part);
} else {
$part = $this->addHtmlPart($parent_part);
}
for ($i = 0; $i < $count_html_images; $i++) {
$this->addHtmlImagePart($part, $this->html_images[$i]);
}
return $part;
}
/**
* 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 $skip_content Don't return content headers: Content-Type,
* Content-Disposition and Content-Transfer-Encoding
*
* @return array Assoc array with the mime headers
*/
public function headers($xtra_headers = null, $overwrite = false, $skip_content = false)
{
// Add mime version header
$headers['MIME-Version'] = '1.0';
if (!empty($xtra_headers)) {
$headers = array_merge($headers, $xtra_headers);
}
if ($overwrite) {
$this->headers = array_merge($this->headers, $headers);
} else {
$this->headers = array_merge($headers, $this->headers);
}
// Always reset Content-Type/Content-Transfer-Encoding headers
// In case the message structure changed in meantime
unset($this->headers['Content-Type']);
unset($this->headers['Content-Transfer-Encoding']);
unset($this->headers['Content-Disposition']);
$this->headers = array_merge($this->headers, $this->contentHeaders());
$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'];
}
return $this->encodeHeaders($headers);
}
/**
* 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 $skip_content Don't return content headers: Content-Type,
* Content-Disposition and Content-Transfer-Encoding
*
* @return string Plain text headers
*/
public function txtHeaders($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 $params Hash array of header parameters
*
* @return void
* @since 1.7.0
*/
public function setContentType($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'] = $value;
} else if (!preg_match($token_regexp, $value)) {
$header .= ";$eol $name=$value";
} else {
$value = addcslashes($value, '\\"');
$header .= ";$eol $name=\"$value\"";
}
}
}
// add required boundary parameter if not defined
if (stripos($type, 'multipart/') === 0) {
if (empty($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 $subject String to set the subject to.
*
* @return void
*/
public function setSubject($subject)
{
$this->headers['Subject'] = $subject;
}
/**
* Set an email to the From (the sender) header
*
* @param string $email The email address to use
*
* @return void
*/
public function setFrom($email)
{
$this->headers['From'] = $email;
}
/**
* Add an email to the To header
* (multiple calls to this method are allowed)
*
* @param string $email The email direction to add
*
* @return void
*/
public function addTo($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 $email The email direction to add
*
* @return void
*/
public function addCc($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 $email The email direction to add
*
* @return void
*/
public function addBcc($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 $recipients A comma-delimited list of recipients
*
* @return string Encoded data
*/
public function encodeRecipients($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 $params Extra build parameters
*
* @return array Encoded data
*/
protected function encodeHeaders($input, $params = array())
{
$build_params = $this->build_params;
if (!empty($params)) {
$build_params = array_merge($build_params, $params);
}
foreach ($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'], $build_params['head_encoding']
);
}
} else if ($hdr_value !== null) {
$input[$hdr_name] = $this->encodeHeader(
$hdr_name, $hdr_value,
$build_params['head_charset'], $build_params['head_encoding']
);
} else {
unset($input[$hdr_name]);
}
}
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 $encoding Encoding name (base64 or quoted-printable)
*
* @return string Encoded header data (without a name)
* @since 1.5.3
*/
public function encodeHeader($name, $value, $charset, $encoding)
{
return Mail_mimePart::encodeHeader(
$name, $value, $charset, $encoding, $this->build_params['eol']
);
}
/**
* Get file's basename (locale independent)
*
* @param string $filename Filename
*
* @return string Basename
*/
protected function basename($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
*/
protected function contentHeaders()
{
$attachments = count($this->parts) > 0;
$html_images = count($this->html_images) > 0;
$html = strlen($this->htmlbody) > 0;
$calendar = strlen($this->calbody) > 0;
$has_text = strlen($this->txtbody) > 0;
$has_alternatives = ($html + $calendar + $has_text) > 1;
$headers = array();
// See get()
switch (true) {
case $has_text && !$attachments && !$has_alternatives:
$headers['Content-Type'] = 'text/plain';
break;
case $html && !$html_images && !$attachments && !$has_alternatives:
$headers['Content-Type'] = 'text/html';
break;
case $html && $html_images && !$attachments && !$has_alternatives:
$headers['Content-Type'] = 'multipart/related';
break;
case $calendar && !$attachments && !$has_alternatives:
$headers['Content-Type'] = 'text/calendar';
break;
case $has_alternatives && !$attachments:
$headers['Content-Type'] = 'multipart/alternative';
break;
case $attachments:
$headers['Content-Type'] = 'multipart/mixed';
break;
}
// Note: This is outside of the above switch construct to workaround
// opcache bug: https://bugzilla.opensuse.org/show_bug.cgi?id=1166235
if (empty($headers)) {
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
if ($this->build_params['text_charset']) {
$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
if ($this->build_params['html_charset']) {
$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']
= $this->build_params['html_encoding'];
} else if ($headers['Content-Type'] == 'text/calendar') {
// single-part message: add charset and encoding
if ($this->build_params['calendar_charset']) {
$charset = 'charset=' . $this->build_params['calendar_charset'];
$headers['Content-Type'] .= "; $charset";
}
if ($this->build_params['calendar_method']) {
$method = 'method=' . $this->build_params['calendar_method'];
$headers['Content-Type'] .= "; $method";
}
$headers['Content-Transfer-Encoding']
= $this->build_params['calendar_encoding'];
} else {
// multipart message: and boundary
if (!empty($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
*/
protected 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']);
$this->build_params['calendar_encoding']
= strtolower($this->build_params['calendar_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)) {
$this->build_params['html_encoding'] = '7bit';
}
if (!in_array($this->build_params['calendar_encoding'], $encodings)) {
$this->build_params['calendar_encoding'] = '7bit';
}
// text body
if ($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)
) {
$this->build_params['html_encoding'] = 'quoted-printable';
}
// calendar body
if ($this->build_params['calendar_encoding'] == '7bit'
&& !preg_match('/ascii/i', $this->build_params['calendar_charset'])
&& preg_match('/[^\x00-\x7F]/', $this->calbody)
) {
$this->build_params['calendar_encoding'] = 'quoted-printable';
}
}
/**
* Set body of specified message part
*
* @param string $type One of: txtbody, calbody, htmlbody
* @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 $append If true the text or file is appended to
* the existing body, else the old body is
* overwritten
*
* @return mixed True on success or PEAR_Error object
*/
protected function setBody($type, $data, $isfile = false, $append = false)
{
if ($isfile) {
$data = $this->file2str($data);
if (self::isError($data)) {
return $data;
}
}
if (!$append) {
$this->{$type} = $data;
} else {
$this->{$type} .= $data;
}
return true;
}
/**
* Adds a subpart to the mimePart object and
* returns it during the build process.
*
* @param mixed $obj The object to add the part to, or
* anything else if a new object is to be created.
* @param string $body Part body
* @param string $ctype Part content type
* @param string $type Internal part type
*
* @return object The mimePart object
*/
protected function addBodyPart($obj, $body, $ctype, $type)
{
$params['content_type'] = $ctype;
$params['encoding'] = $this->build_params[$type . '_encoding'];
$params['charset'] = $this->build_params[$type . '_charset'];
$params['eol'] = $this->build_params['eol'];
if (is_object($obj)) {
$ret = $obj->addSubpart($body, $params);
} else {
$ret = new Mail_mimePart($body, $params);
}
return $ret;
}
/**
* PEAR::isError implementation
*
* @param mixed $data Object
*
* @return bool True if object is an instance of PEAR_Error
*/
public static function isError($data)
{
// PEAR::isError() is not PHP 5.4 compatible (see Bug #19473)
if (is_a($data, 'PEAR_Error')) {
return true;
}
return false;
}
/**
* PEAR::raiseError implementation
*
* @param string $message A text error message
*
* @return PEAR_Error Instance of PEAR_Error
*/
public static function raiseError($message)
{
// PEAR::raiseError() is not PHP 5.4 compatible
return new PEAR_Error($message);
}
}