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- <?php
- /**
- * The Mail_mimePart class is used to create MIME E-mail messages
- *
- * This class enables you to manipulate and build a mime email
- * from the ground up. The Mail_Mime class is a userfriendly api
- * to this class for people who aren't interested in the internals
- * of mime mail.
- * This class however allows full control over the email.
- *
- * 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 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 CVS: $Id: mimePart.php,v 1.25 2007/05/14 21:43:08 cipri Exp $
- * @link http://pear.php.net/package/Mail_mime
- */
-
-
- /**
- * The Mail_mimePart class is used to create MIME E-mail messages
- *
- * This class enables you to manipulate and build a mime email
- * from the ground up. The Mail_Mime class is a userfriendly api
- * to this class for people who aren't interested in the internals
- * of mime mail.
- * This class however allows full control over the email.
- *
- * @category Mail
- * @package Mail_Mime
- * @author Richard Heyes <richard@phpguru.org>
- * @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_mimePart {
-
- /**
- * The encoding type of this part
- *
- * @var string
- * @access private
- */
- var $_encoding;
-
- /**
- * An array of subparts
- *
- * @var array
- * @access private
- */
- var $_subparts;
-
- /**
- * The output of this part after being built
- *
- * @var string
- * @access private
- */
- var $_encoded;
-
- /**
- * Headers for this part
- *
- * @var array
- * @access private
- */
- var $_headers;
-
- /**
- * The body of this part (not encoded)
- *
- * @var string
- * @access private
- */
- var $_body;
-
- /**
- * Constructor.
- *
- * Sets up the object.
- *
- * @param $body - The body of the mime part if any.
- * @param $params - An associative array of parameters:
- * content_type - The content type for this part eg multipart/mixed
- * encoding - The encoding to use, 7bit, 8bit, base64, or quoted-printable
- * cid - Content ID to apply
- * disposition - Content disposition, inline or attachment
- * dfilename - Optional filename parameter for content disposition
- * description - Content description
- * charset - Character set to use
- * @access public
- */
- function Mail_mimePart($body = '', $params = array())
- {
- if (!defined('MAIL_MIMEPART_CRLF')) {
- define('MAIL_MIMEPART_CRLF', defined('MAIL_MIME_CRLF') ? MAIL_MIME_CRLF : "\r\n", TRUE);
- }
-
- $contentType = array();
- $contentDisp = array();
- foreach ($params as $key => $value) {
- switch ($key) {
- case 'content_type':
- $contentType['type'] = $value;
- //$headers['Content-Type'] = $value . (isset($charset) ? '; charset="' . $charset . '"' : '');
- break;
-
- case 'encoding':
- $this->_encoding = $value;
- $headers['Content-Transfer-Encoding'] = $value;
- break;
-
- case 'cid':
- $headers['Content-ID'] = '<' . $value . '>';
- break;
-
- case 'disposition':
- $contentDisp['disp'] = $value;
- break;
-
- case 'dfilename':
- $contentDisp['filename'] = $value;
- $contentType['name'] = $value;
- break;
-
- case 'description':
- $headers['Content-Description'] = $value;
- break;
-
- case 'charset':
- $contentType['charset'] = $value;
- $contentDisp['charset'] = $value;
- break;
-
- case 'language':
- $contentType['language'] = $value;
- $contentDisp['language'] = $value;
- break;
-
- case 'location':
- $headers['Content-Location'] = $value;
- break;
-
- }
- }
- if (isset($contentType['type'])) {
- $headers['Content-Type'] = $contentType['type'];
- if (isset($contentType['name'])) {
- $headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF;
- $headers['Content-Type'] .= $this->_buildHeaderParam('name', $contentType['name'],
- isset($contentType['charset']) ? $contentType['charset'] : 'US-ASCII',
- isset($contentType['language']) ? $contentType['language'] : NULL);
- } elseif (isset($contentType['charset'])) {
- $headers['Content-Type'] .= "; charset=\"{$contentType['charset']}\"";
- }
- }
-
-
- if (isset($contentDisp['disp'])) {
- $headers['Content-Disposition'] = $contentDisp['disp'];
- if (isset($contentDisp['filename'])) {
- $headers['Content-Disposition'] .= ';' . MAIL_MIMEPART_CRLF;
- $headers['Content-Disposition'] .= $this->_buildHeaderParam('filename', $contentDisp['filename'],
- isset($contentDisp['charset']) ? $contentDisp['charset'] : 'US-ASCII',
- isset($contentDisp['language']) ? $contentDisp['language'] : NULL);
- }
- }
-
-
-
-
- // Default content-type
- if (!isset($headers['Content-Type'])) {
- $headers['Content-Type'] = 'text/plain';
- }
-
- //Default encoding
- if (!isset($this->_encoding)) {
- $this->_encoding = '7bit';
- }
-
- // Assign stuff to member variables
- $this->_encoded = array();
- $this->_headers = $headers;
- $this->_body = $body;
- }
-
- /**
- * encode()
- *
- * Encodes and returns the email. Also stores
- * it in the encoded member variable
- *
- * @return An associative array containing two elements,
- * body and headers. The headers element is itself
- * an indexed array.
- * @access public
- */
- function encode()
- {
- $encoded =& $this->_encoded;
-
- if (count($this->_subparts)) {
- srand((double)microtime()*1000000);
- $boundary = '=_' . md5(rand() . microtime());
- $this->_headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF . "\t" . 'boundary="' . $boundary . '"';
-
- // Add body parts to $subparts
- for ($i = 0; $i < count($this->_subparts); $i++) {
- $headers = array();
- $tmp = $this->_subparts[$i]->encode();
- foreach ($tmp['headers'] as $key => $value) {
- $headers[] = $key . ': ' . $value;
- }
- $subparts[] = implode(MAIL_MIMEPART_CRLF, $headers) . MAIL_MIMEPART_CRLF . MAIL_MIMEPART_CRLF . $tmp['body'] . MAIL_MIMEPART_CRLF;
- }
-
- $encoded['body'] = '--' . $boundary . MAIL_MIMEPART_CRLF .
- rtrim(implode('--' . $boundary . MAIL_MIMEPART_CRLF , $subparts), MAIL_MIMEPART_CRLF) . MAIL_MIMEPART_CRLF .
- '--' . $boundary.'--' . MAIL_MIMEPART_CRLF;
-
- } else {
- $encoded['body'] = $this->_getEncodedData($this->_body, $this->_encoding);
- }
-
- // Add headers to $encoded
- $encoded['headers'] =& $this->_headers;
-
- return $encoded;
- }
-
- /**
- * &addSubPart()
- *
- * Adds a subpart to current mime part and returns
- * a reference to it
- *
- * @param $body The body of the subpart, if any.
- * @param $params The parameters for the subpart, same
- * as the $params argument for constructor.
- * @return A reference to the part you just added. It is
- * crucial if using multipart/* in your subparts that
- * you use =& in your script when calling this function,
- * otherwise you will not be able to add further subparts.
- * @access public
- */
- function &addSubPart($body, $params)
- {
- $this->_subparts[] = new Mail_mimePart($body, $params);
- return $this->_subparts[count($this->_subparts) - 1];
- }
-
- /**
- * _getEncodedData()
- *
- * Returns encoded data based upon encoding passed to it
- *
- * @param $data The data to encode.
- * @param $encoding The encoding type to use, 7bit, base64,
- * or quoted-printable.
- * @access private
- */
- function _getEncodedData($data, $encoding)
- {
- switch ($encoding) {
- case '8bit':
- case '7bit':
- return $data;
- break;
-
- case 'quoted-printable':
- return $this->_quotedPrintableEncode($data);
- break;
-
- case 'base64':
- return rtrim(chunk_split(base64_encode($data), 76, MAIL_MIMEPART_CRLF));
- break;
-
- default:
- return $data;
- }
- }
-
- /**
- * quotedPrintableEncode()
- *
- * Encodes data to quoted-printable standard.
- *
- * @param $input The data to encode
- * @param $line_max Optional max line length. Should
- * not be more than 76 chars
- *
- * @access private
- */
- function _quotedPrintableEncode($input , $line_max = 76)
- {
- $lines = preg_split("/\r?\n/", $input);
- $eol = MAIL_MIMEPART_CRLF;
- $escape = '=';
- $output = '';
-
- while (list(, $line) = each($lines)) {
-
- $line = preg_split('||', $line, -1, PREG_SPLIT_NO_EMPTY);
- $linlen = count($line);
- $newline = '';
-
- for ($i = 0; $i < $linlen; $i++) {
- $char = $line[$i];
- $dec = ord($char);
-
- if (($dec == 32) AND ($i == ($linlen - 1))) { // convert space at eol only
- $char = '=20';
-
- } elseif (($dec == 9) AND ($i == ($linlen - 1))) { // convert tab at eol only
- $char = '=09';
- } elseif ($dec == 9) {
- ; // Do nothing if a tab.
- } elseif (($dec == 61) OR ($dec < 32 ) OR ($dec > 126)) {
- $char = $escape . strtoupper(sprintf('%02s', dechex($dec)));
- } elseif (($dec == 46) AND ($newline == '')) {
- //Bug #9722: convert full-stop at bol
- //Some Windows servers need this, won't break anything (cipri)
- $char = '=2E';
- }
-
- if ((strlen($newline) + strlen($char)) >= $line_max) { // MAIL_MIMEPART_CRLF is not counted
- $output .= $newline . $escape . $eol; // soft line break; " =\r\n" is okay
- $newline = '';
- }
- $newline .= $char;
- } // end of for
- $output .= $newline . $eol;
- }
- $output = substr($output, 0, -1 * strlen($eol)); // Don't want last crlf
- return $output;
- }
-
- /**
- * _buildHeaderParam()
- *
- * Encodes the paramater of a header.
- *
- * @param $name The name of the header-parameter
- * @param $value The value of the paramter
- * @param $charset The characterset of $value
- * @param $language The language used in $value
- * @param $maxLength The maximum length of a line. Defauls to 75
- *
- * @access private
- */
- function _buildHeaderParam($name, $value, $charset=NULL, $language=NULL, $maxLength=75)
- {
- //If we find chars to encode, or if charset or language
- //is not any of the defaults, we need to encode the value.
- $shouldEncode = 0;
- $secondAsterisk = '';
- if (preg_match('#([\x80-\xFF]){1}#', $value)) {
- $shouldEncode = 1;
- } elseif ($charset && (strtolower($charset) != 'us-ascii')) {
- $shouldEncode = 1;
- } elseif ($language && ($language != 'en' && $language != 'en-us')) {
- $shouldEncode = 1;
- }
- if ($shouldEncode) {
- $search = array('%', ' ', "\t");
- $replace = array('%25', '%20', '%09');
- $encValue = str_replace($search, $replace, $value);
- $encValue = preg_replace('#([\x80-\xFF])#e', '"%" . strtoupper(dechex(ord("\1")))', $encValue);
- $value = "$charset'$language'$encValue";
- $secondAsterisk = '*';
- }
- $header = " {$name}{$secondAsterisk}=\"{$value}\"; ";
- if (strlen($header) <= $maxLength) {
- return $header;
- }
-
- $preLength = strlen(" {$name}*0{$secondAsterisk}=\"");
- $sufLength = strlen("\";");
- $maxLength = MAX(16, $maxLength - $preLength - $sufLength - 2);
- $maxLengthReg = "|(.{0,$maxLength}[^\%][^\%])|";
-
- $headers = array();
- $headCount = 0;
- while ($value) {
- $matches = array();
- $found = preg_match($maxLengthReg, $value, $matches);
- if ($found) {
- $headers[] = " {$name}*{$headCount}{$secondAsterisk}=\"{$matches[0]}\"";
- $value = substr($value, strlen($matches[0]));
- } else {
- $headers[] = " {$name}*{$headCount}{$secondAsterisk}=\"{$value}\"";
- $value = "";
- }
- $headCount++;
- }
- $headers = implode(MAIL_MIMEPART_CRLF, $headers) . ';';
- return $headers;
- }
- } // End of class
-