From 569f8306db3f61831795f15793b1c8f749f94779 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 15 Apr 2011 11:26:16 -0400
Subject: [PATCH] Fix vcard folding at 75 chars; don't fold vcards for internal storage
---
program/lib/Mail/mimePart.php | 1205 ++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 933 insertions(+), 272 deletions(-)
diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php
index c166f56..60b3601 100644
--- a/program/lib/Mail/mimePart.php
+++ b/program/lib/Mail/mimePart.php
@@ -40,15 +40,16 @@
* 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: $Id$
- * @link http://pear.php.net/package/Mail_mime
+ * @category Mail
+ * @package Mail_Mime
+ * @author Richard Heyes <richard@phpguru.org>
+ * @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
*/
@@ -61,19 +62,20 @@
* 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
+ * @category Mail
+ * @package Mail_Mime
+ * @author Richard Heyes <richard@phpguru.org>
+ * @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
*/
-class Mail_mimePart {
-
- /**
+class Mail_mimePart
+{
+ /**
* The encoding type of this part
*
* @var string
@@ -81,7 +83,7 @@
*/
var $_encoding;
- /**
+ /**
* An array of subparts
*
* @var array
@@ -89,7 +91,7 @@
*/
var $_subparts;
- /**
+ /**
* The output of this part after being built
*
* @var string
@@ -97,7 +99,7 @@
*/
var $_encoded;
- /**
+ /**
* Headers for this part
*
* @var array
@@ -105,7 +107,7 @@
*/
var $_headers;
- /**
+ /**
* The body of this part (not encoded)
*
* @var string
@@ -114,109 +116,134 @@
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
- */
+ * The location of file with body of this part (not encoded)
+ *
+ * @var string
+ * @access private
+ */
+ var $_body_file;
+
+ /**
+ * The end-of-line sequence
+ *
+ * @var string
+ * @access private
+ */
+ var $_eol = "\r\n";
+
+ /**
+ * Constructor.
+ *
+ * Sets up the object.
+ *
+ * @param string $body The body of the mime part if any.
+ * @param array $params An associative array of optional parameters:
+ * content_type - The content type for this part eg multipart/mixed
+ * encoding - The encoding to use, 7bit, 8bit,
+ * base64, or quoted-printable
+ * charset - Content character set
+ * cid - Content ID to apply
+ * disposition - Content disposition, inline or attachment
+ * dfilename - Filename parameter for content disposition
+ * description - Content description
+ * name_encoding - Encoding of the attachment name (Content-Type)
+ * By default filenames are encoded using RFC2231
+ * Here you can set RFC2047 encoding (quoted-printable
+ * or base64) instead
+ * filename_encoding - Encoding of the attachment filename (Content-Disposition)
+ * See 'name_encoding'
+ * headers_charset - Charset of the headers e.g. filename, description.
+ * If not set, 'charset' will be used
+ * eol - End of line sequence. Default: "\r\n"
+ * body_file - Location of file with part's body (instead of $body)
+ *
+ * @access public
+ */
function Mail_mimePart($body = '', $params = array())
{
- if (!defined('MAIL_MIMEPART_CRLF')) {
- define('MAIL_MIMEPART_CRLF', defined('MAIL_MIME_CRLF') ? MAIL_MIME_CRLF : "\r\n", TRUE);
+ if (!empty($params['eol'])) {
+ $this->_eol = $params['eol'];
+ } else if (defined('MAIL_MIMEPART_CRLF')) { // backward-copat.
+ $this->_eol = MAIL_MIMEPART_CRLF;
}
- $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 'encoding':
- $this->_encoding = $value;
- $headers['Content-Transfer-Encoding'] = $value;
- break;
+ case 'cid':
+ $headers['Content-ID'] = '<' . $value . '>';
+ break;
- case 'cid':
- $headers['Content-ID'] = '<' . $value . '>';
- break;
+ case 'location':
+ $headers['Content-Location'] = $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['charset'])) {
- $headers['Content-Type'] .= " charset={$contentType['charset']} ";
- }
- 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']) ? $contentType['language'] : NULL,
- isset($params['name-encoding']) ? $params['name-encoding'] : NULL);
- }
- }
-
-
- if (isset($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']) ? $contentDisp['language'] : NULL,
- isset($params['filename-encoding']) ? $params['filename-encoding'] : NULL);
+ case 'body_file':
+ $this->_body_file = $value;
+ break;
}
}
// Default content-type
- if (!isset($headers['Content-Type'])) {
- $headers['Content-Type'] = 'text/plain';
+ if (empty($params['content_type'])) {
+ $params['content_type'] = 'text/plain';
}
- //Default encoding
+ // Content-Type
+ $headers['Content-Type'] = $params['content_type'];
+ if (!empty($params['charset'])) {
+ $charset = "charset={$params['charset']}";
+ // place charset parameter in the same line, if possible
+ if ((strlen($headers['Content-Type']) + strlen($charset) + 16) <= 76) {
+ $headers['Content-Type'] .= '; ';
+ } else {
+ $headers['Content-Type'] .= ';' . $this->_eol . ' ';
+ }
+ $headers['Content-Type'] .= $charset;
+
+ // Default headers charset
+ if (!isset($params['headers_charset'])) {
+ $params['headers_charset'] = $params['charset'];
+ }
+ }
+ if (!empty($params['filename'])) {
+ $headers['Content-Type'] .= ';' . $this->_eol;
+ $headers['Content-Type'] .= $this->_buildHeaderParam(
+ 'name', $params['filename'],
+ !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII',
+ !empty($params['language']) ? $params['language'] : null,
+ !empty($params['name_encoding']) ? $params['name_encoding'] : null
+ );
+ }
+
+ // Content-Disposition
+ if (!empty($params['disposition'])) {
+ $headers['Content-Disposition'] = $params['disposition'];
+ if (!empty($params['filename'])) {
+ $headers['Content-Disposition'] .= ';' . $this->_eol;
+ $headers['Content-Disposition'] .= $this->_buildHeaderParam(
+ 'filename', $params['filename'],
+ !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII',
+ !empty($params['language']) ? $params['language'] : null,
+ !empty($params['filename_encoding']) ? $params['filename_encoding'] : null
+ );
+ }
+ }
+
+ if (!empty($params['description'])) {
+ $headers['Content-Description'] = $this->encodeHeader(
+ 'Content-Description', $params['description'],
+ !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII',
+ !empty($params['name_encoding']) ? $params['name_encoding'] : 'quoted-printable',
+ $this->_eol
+ );
+ }
+
+ // Default encoding
if (!isset($this->_encoding)) {
$this->_encoding = '7bit';
}
@@ -228,40 +255,60 @@
}
/**
- * encode()
- *
* Encodes and returns the email. Also stores
* it in the encoded member variable
*
+ * @param string $boundary Pre-defined boundary string
+ *
* @return An associative array containing two elements,
* body and headers. The headers element is itself
- * an indexed array.
+ * an indexed array. On error returns PEAR error object.
* @access public
*/
- function encode()
+ function encode($boundary=null)
{
$encoded =& $this->_encoded;
if (count($this->_subparts)) {
- $boundary = '=_' . md5(rand() . microtime());
- $this->_headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF . "\t" . 'boundary="' . $boundary . '"';
+ $boundary = $boundary ? $boundary : '=_' . md5(rand() . microtime());
+ $eol = $this->_eol;
- // Add body parts to $subparts
+ $this->_headers['Content-Type'] .= ";$eol boundary=\"$boundary\"";
+
+ $encoded['body'] = '';
+
for ($i = 0; $i < count($this->_subparts); $i++) {
- $headers = array();
+ $encoded['body'] .= '--' . $boundary . $eol;
$tmp = $this->_subparts[$i]->encode();
- foreach ($tmp['headers'] as $key => $value) {
- $headers[] = $key . ': ' . $value;
+ if (PEAR::isError($tmp)) {
+ return $tmp;
}
- $subparts[] = implode(MAIL_MIMEPART_CRLF, $headers) . MAIL_MIMEPART_CRLF . MAIL_MIMEPART_CRLF . $tmp['body'] . MAIL_MIMEPART_CRLF;
+ foreach ($tmp['headers'] as $key => $value) {
+ $encoded['body'] .= $key . ': ' . $value . $eol;
+ }
+ $encoded['body'] .= $eol . $tmp['body'] . $eol;
}
- $encoded['body'] = '--' . $boundary . MAIL_MIMEPART_CRLF .
- implode('--' . $boundary . MAIL_MIMEPART_CRLF , $subparts) .
- '--' . $boundary.'--' . MAIL_MIMEPART_CRLF;
+ $encoded['body'] .= '--' . $boundary . '--' . $eol;
- } else {
+ } else if ($this->_body) {
$encoded['body'] = $this->_getEncodedData($this->_body, $this->_encoding);
+ } else if ($this->_body_file) {
+ // Temporarily reset magic_quotes_runtime for file reads and writes
+ if ($magic_quote_setting = get_magic_quotes_runtime()) {
+ @ini_set('magic_quotes_runtime', 0);
+ }
+ $body = $this->_getEncodedDataFromFile($this->_body_file, $this->_encoding);
+ if ($magic_quote_setting) {
+ @ini_set('magic_quotes_runtime', $magic_quote_setting);
+ }
+
+ if (PEAR::isError($body)) {
+ return $body;
+ }
+ $encoded['body'] = $body;
+ } else {
+ $encoded['body'] = '';
}
// Add headers to $encoded
@@ -271,156 +318,350 @@
}
/**
- * &addSubPart()
+ * Encodes and saves the email into file. File must exist.
+ * Data will be appended to the file.
*
+ * @param string $filename Output file location
+ * @param string $boundary Pre-defined boundary string
+ * @param boolean $skip_head True if you don't want to save headers
+ *
+ * @return array An associative array containing message headers
+ * or PEAR error object
+ * @access public
+ * @since 1.6.0
+ */
+ function encodeToFile($filename, $boundary=null, $skip_head=false)
+ {
+ if (file_exists($filename) && !is_writable($filename)) {
+ $err = PEAR::raiseError('File is not writeable: ' . $filename);
+ return $err;
+ }
+
+ if (!($fh = fopen($filename, 'ab'))) {
+ $err = PEAR::raiseError('Unable to open file: ' . $filename);
+ return $err;
+ }
+
+ // Temporarily reset magic_quotes_runtime for file reads and writes
+ if ($magic_quote_setting = get_magic_quotes_runtime()) {
+ @ini_set('magic_quotes_runtime', 0);
+ }
+
+ $res = $this->_encodePartToFile($fh, $boundary, $skip_head);
+
+ fclose($fh);
+
+ if ($magic_quote_setting) {
+ @ini_set('magic_quotes_runtime', $magic_quote_setting);
+ }
+
+ return PEAR::isError($res) ? $res : $this->_headers;
+ }
+
+ /**
+ * Encodes given email part into file
+ *
+ * @param string $fh Output file handle
+ * @param string $boundary Pre-defined boundary string
+ * @param boolean $skip_head True if you don't want to save headers
+ *
+ * @return array True on sucess or PEAR error object
+ * @access private
+ */
+ function _encodePartToFile($fh, $boundary=null, $skip_head=false)
+ {
+ $eol = $this->_eol;
+
+ if (count($this->_subparts)) {
+ $boundary = $boundary ? $boundary : '=_' . md5(rand() . microtime());
+ $this->_headers['Content-Type'] .= ";$eol boundary=\"$boundary\"";
+ }
+
+ if (!$skip_head) {
+ foreach ($this->_headers as $key => $value) {
+ fwrite($fh, $key . ': ' . $value . $eol);
+ }
+ $f_eol = $eol;
+ } else {
+ $f_eol = '';
+ }
+
+ if (count($this->_subparts)) {
+ for ($i = 0; $i < count($this->_subparts); $i++) {
+ fwrite($fh, $f_eol . '--' . $boundary . $eol);
+ $res = $this->_subparts[$i]->_encodePartToFile($fh);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ $f_eol = $eol;
+ }
+
+ fwrite($fh, $eol . '--' . $boundary . '--' . $eol);
+
+ } else if ($this->_body) {
+ fwrite($fh, $f_eol . $this->_getEncodedData($this->_body, $this->_encoding));
+ } else if ($this->_body_file) {
+ fwrite($fh, $f_eol);
+ $res = $this->_getEncodedDataFromFile(
+ $this->_body_file, $this->_encoding, $fh
+ );
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ }
+
+ return true;
+ }
+
+ /**
* 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.
+ * @param string $body The body of the subpart, if any.
+ * @param array $params The parameters for the subpart, same
+ * as the $params argument for constructor.
+ *
+ * @return Mail_mimePart A reference to the part you just added. It is
+ * crucial if using multipart/* in your subparts that
+ * you use =& in your script when calling this function,
+ * otherwise you will not be able to add further subparts.
* @access public
*/
- function &addSubPart($body, $params)
+ function &addSubpart($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.
+ * @param string $data The data to encode.
+ * @param string $encoding The encoding type to use, 7bit, base64,
+ * or quoted-printable.
+ *
+ * @return string
* @access private
*/
function _getEncodedData($data, $encoding)
{
switch ($encoding) {
- case '8bit':
- case '7bit':
- return $data;
- break;
+ case 'quoted-printable':
+ return $this->_quotedPrintableEncode($data);
+ break;
- case 'quoted-printable':
- return $this->_quotedPrintableEncode($data);
- break;
+ case 'base64':
+ return rtrim(chunk_split(base64_encode($data), 76, $this->_eol));
+ break;
- case 'base64':
- return rtrim(chunk_split(base64_encode($data), 76, MAIL_MIMEPART_CRLF));
- break;
-
- default:
- return $data;
+ case '8bit':
+ case '7bit':
+ default:
+ return $data;
}
}
/**
- * quotedPrintableEncode()
+ * Returns encoded data based upon encoding passed to it
*
+ * @param string $filename Data file location
+ * @param string $encoding The encoding type to use, 7bit, base64,
+ * or quoted-printable.
+ * @param resource $fh Output file handle. If set, data will be
+ * stored into it instead of returning it
+ *
+ * @return string Encoded data or PEAR error object
+ * @access private
+ */
+ function _getEncodedDataFromFile($filename, $encoding, $fh=null)
+ {
+ if (!is_readable($filename)) {
+ $err = PEAR::raiseError('Unable to read file: ' . $filename);
+ return $err;
+ }
+
+ if (!($fd = fopen($filename, 'rb'))) {
+ $err = PEAR::raiseError('Could not open file: ' . $filename);
+ return $err;
+ }
+
+ $data = '';
+
+ switch ($encoding) {
+ case 'quoted-printable':
+ while (!feof($fd)) {
+ $buffer = $this->_quotedPrintableEncode(fgets($fd));
+ if ($fh) {
+ fwrite($fh, $buffer);
+ } else {
+ $data .= $buffer;
+ }
+ }
+ break;
+
+ case 'base64':
+ while (!feof($fd)) {
+ // Should read in a multiple of 57 bytes so that
+ // the output is 76 bytes per line. Don't use big chunks
+ // because base64 encoding is memory expensive
+ $buffer = fread($fd, 57 * 9198); // ca. 0.5 MB
+ $buffer = base64_encode($buffer);
+ $buffer = chunk_split($buffer, 76, $this->_eol);
+ if (feof($fd)) {
+ $buffer = rtrim($buffer);
+ }
+
+ if ($fh) {
+ fwrite($fh, $buffer);
+ } else {
+ $data .= $buffer;
+ }
+ }
+ break;
+
+ case '8bit':
+ case '7bit':
+ default:
+ while (!feof($fd)) {
+ $buffer = fread($fd, 1048576); // 1 MB
+ if ($fh) {
+ fwrite($fh, $buffer);
+ } else {
+ $data .= $buffer;
+ }
+ }
+ }
+
+ fclose($fd);
+
+ if (!$fh) {
+ return $data;
+ }
+ }
+
+ /**
* 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
+ * @param string $input The data to encode
+ * @param int $line_max Optional max line length. Should
+ * not be more than 76 chars
+ *
+ * @return string Encoded data
*
* @access private
*/
function _quotedPrintableEncode($input , $line_max = 76)
{
+ $eol = $this->_eol;
+ /*
+ // imap_8bit() is extremely fast, but doesn't handle properly some characters
+ if (function_exists('imap_8bit') && $line_max == 76) {
+ $input = preg_replace('/\r?\n/', "\r\n", $input);
+ $input = imap_8bit($input);
+ if ($eol != "\r\n") {
+ $input = str_replace("\r\n", $eol, $input);
+ }
+ return $input;
+ }
+ */
$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);
+ while (list($idx, $line) = each($lines)) {
$newline = '';
+ $i = 0;
- for ($i = 0; $i < $linlen; $i++) {
+ while (isset($line[$i])) {
$char = $line[$i];
$dec = ord($char);
+ $i++;
- if (($dec == 32) AND ($i == ($linlen - 1))) { // convert space at eol only
+ if (($dec == 32) && (!isset($line[$i]))) {
+ // 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 == '') || ((strlen($newline) + strlen("=2E")) >= $line_max))) {
- //Bug #9722: convert full-stop at bol,
- //some Windows servers need this, won't break anything (cipri)
- //Bug #11731: full-stop at bol also needs to be encoded
- //if this line would push us over the line_max limit.
+ } elseif ($dec == 9 && isset($line[$i])) {
+ ; // Do nothing if a TAB is not on eol
+ } elseif (($dec == 61) || ($dec < 32) || ($dec > 126)) {
+ $char = $escape . sprintf('%02X', $dec);
+ } elseif (($dec == 46) && (($newline == '')
+ || ((strlen($newline) + strlen("=2E")) >= $line_max))
+ ) {
+ // Bug #9722: convert full-stop at bol,
+ // some Windows servers need this, won't break anything (cipri)
+ // Bug #11731: full-stop at bol also needs to be encoded
+ // if this line would push us over the line_max limit.
$char = '=2E';
}
- //Note, when changing this line, also change the ($dec == 46)
- //check line, as it mimics this line due to Bug #11731
- if ((strlen($newline) + strlen($char)) >= $line_max) { // MAIL_MIMEPART_CRLF is not counted
- $output .= $newline . $escape . $eol; // soft line break; " =\r\n" is okay
+ // Note, when changing this line, also change the ($dec == 46)
+ // check line, as it mimics this line due to Bug #11731
+ // EOL is not counted
+ if ((strlen($newline) + strlen($char)) >= $line_max) {
+ // soft line break; " =\r\n" is okay
+ $output .= $newline . $escape . $eol;
$newline = '';
}
$newline .= $char;
} // end of for
$output .= $newline . $eol;
+ unset($lines[$idx]);
}
- $output = substr($output, 0, -1 * strlen($eol)); // Don't want last crlf
+ // Don't want last crlf
+ $output = substr($output, 0, -1 * strlen($eol));
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 $paramEnc Parameter encoding type
- * @param $maxLength The maximum length of a line. Defauls to 78
+ * @param string $name The name of the header-parameter
+ * @param string $value The value of the paramter
+ * @param string $charset The characterset of $value
+ * @param string $language The language used in $value
+ * @param string $encoding Parameter encoding. If not set, parameter value
+ * is encoded according to RFC2231
+ * @param int $maxLength The maximum length of a line. Defauls to 75
+ *
+ * @return string
*
* @access private
*/
- function _buildHeaderParam($name, $value, $charset=NULL, $language=NULL, $paramEnc=NULL, $maxLength=78)
- {
- // RFC 2045:
- // value needs encoding if contains non-ASCII chars or is longer than 78 chars
- if (!preg_match('#[^\x20-\x7E]#', $value)) { // ASCII
- // token
- if (!preg_match('#([^\x21,\x23-\x27,\x2A,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#', $value)) {
- if (strlen($name) + strlen($value) + 3 <= $maxLength)
- return " {$name}={$value};";
- } else { // quoted-string
- $quoted = addcslashes($value, '\\"');
- if (strlen($name) + strlen($quoted) + 5 <= $maxLength)
- return " {$name}=\"{$quoted}\";";
- }
- }
+ function _buildHeaderParam($name, $value, $charset=null, $language=null,
+ $encoding=null, $maxLength=75
+ ) {
+ // RFC 2045:
+ // value needs encoding if contains non-ASCII chars or is longer than 78 chars
+ if (!preg_match('#[^\x20-\x7E]#', $value)) {
+ $token_regexp = '#([^\x21,\x23-\x27,\x2A,\x2B,\x2D'
+ . ',\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#';
+ if (!preg_match($token_regexp, $value)) {
+ // token
+ if (strlen($name) + strlen($value) + 3 <= $maxLength) {
+ return " {$name}={$value}";
+ }
+ } else {
+ // quoted-string
+ $quoted = addcslashes($value, '\\"');
+ if (strlen($name) + strlen($quoted) + 5 <= $maxLength) {
+ return " {$name}=\"{$quoted}\"";
+ }
+ }
+ }
- // RFC2047: use quoted-printable/base64 encoding
- if ($paramEnc == 'quoted-printable' || $paramEnc == 'base64')
- return $this->_buildRFC2047Param($name, $value, $charset, $paramEnc);
+ // RFC2047: use quoted-printable/base64 encoding
+ if ($encoding == 'quoted-printable' || $encoding == 'base64') {
+ return $this->_buildRFC2047Param($name, $value, $charset, $encoding);
+ }
- // RFC2231:
- $encValue = preg_replace('#([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#e',
- '"%" . strtoupper(dechex(ord("\1")))', $value);
+ // RFC2231:
+ $encValue = preg_replace_callback(
+ '/([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])/',
+ array($this, '_encodeReplaceCallback'), $value
+ );
$value = "$charset'$language'$encValue";
- $header = " {$name}*={$value};";
+ $header = " {$name}*={$value}";
if (strlen($header) <= $maxLength) {
return $header;
}
@@ -443,87 +684,507 @@
}
$headCount++;
}
- $headers = implode(';' . MAIL_MIMEPART_CRLF, $headers) . ';';
+
+ $headers = implode(';' . $this->_eol, $headers);
return $headers;
}
/**
- * Encodes header parameter as per RFC2047 if needed (values too long will be truncated)
+ * Encodes header parameter as per RFC2047 if needed
*
- * @param string $name The parameter name
- * @param string $value The parameter value
- * @param string $charset The parameter charset
+ * @param string $name The parameter name
+ * @param string $value The parameter value
+ * @param string $charset The parameter charset
* @param string $encoding Encoding type (quoted-printable or base64)
- * @param int $maxLength Encoded parameter max length (75 is the value specified in the RFC)
+ * @param int $maxLength Encoded parameter max length. Default: 76
*
* @return string Parameter line
* @access private
*/
- function _buildRFC2047Param($name, $value, $charset, $encoding='quoted-printable', $maxLength=75)
- {
- if (!preg_match('#([^\x20-\x7E]){1}#', $value))
- {
- $quoted = addcslashes($value, '\\"');
- $maxLength = $maxLength - 6;
- if (strlen($quoted) > $maxLength)
- {
- // truncate filename leaving extension
- $ext = strrchr($quoted, '.');
- $quoted = substr($quoted, 0, $maxLength - strlen($ext));
- // remove backslashes from the end of filename
- preg_replace('/[\\\\]+$/', '', $quoted);
- $quoted .= $ext;
- }
- }
- else if ($encoding == 'base64')
- {
- $ext = strrchr($value, '.');
- $value = substr($value, 0, strlen($value) - strlen($ext));
-
- $ext = base64_encode($ext);
- $value = base64_encode($value);
+ function _buildRFC2047Param($name, $value, $charset,
+ $encoding='quoted-printable', $maxLength=76
+ ) {
+ // WARNING: RFC 2047 says: "An 'encoded-word' MUST NOT be used in
+ // parameter of a MIME Content-Type or Content-Disposition field",
+ // but... it's supported by many clients/servers
+ $quoted = '';
+ if ($encoding == 'base64') {
+ $value = base64_encode($value);
$prefix = '=?' . $charset . '?B?';
$suffix = '?=';
- $maxLength = $maxLength - strlen($prefix . $suffix) - strlen($ext) - 2;
- //We can cut base64 every 4 characters, so the real max
- //we can get must be rounded down.
- $maxLength = $maxLength - ($maxLength % 4);
- $quoted = $prefix . substr($value, 0, $maxLength) . $ext . $suffix;
- }
- else // quoted-printable
- {
- $ext = strrchr($value, '.');
- $value = substr($value, 0, strlen($value) - strlen($ext));
+ // 2 x SPACE, 2 x '"', '=', ';'
+ $add_len = strlen($prefix . $suffix) + strlen($name) + 6;
+ $len = $add_len + strlen($value);
- // Replace all special characters used by the encoder.
- $search = array('=', '_', '?', ' ');
- $replace = array('=3D', '=5F', '=3F', '_');
- $ext = str_replace($search, $replace, $ext);
- $value = str_replace($search, $replace, $value);
+ while ($len > $maxLength) {
+ // We can cut base64-encoded string every 4 characters
+ $real_len = floor(($maxLength - $add_len) / 4) * 4;
+ $_quote = substr($value, 0, $real_len);
+ $value = substr($value, $real_len);
- // Replace all extended characters (\x80-xFF) with their
- // ASCII values.
- $ext = preg_replace('/([\x80-\xFF])/e',
- '"=" . strtoupper(dechex(ord("\1")))', $ext);
- $value = preg_replace('/([\x80-\xFF])/e',
- '"=" . strtoupper(dechex(ord("\1")))', $value);
+ $quoted .= $prefix . $_quote . $suffix . $this->_eol . ' ';
+ $add_len = strlen($prefix . $suffix) + 4; // 2 x SPACE, '"', ';'
+ $len = strlen($value) + $add_len;
+ }
+ $quoted .= $prefix . $value . $suffix;
+ } else {
+ // quoted-printable
+ $value = $this->encodeQP($value);
$prefix = '=?' . $charset . '?Q?';
$suffix = '?=';
- $maxLength = $maxLength - strlen($prefix . $suffix) - strlen($ext) - 2;
-
- // Truncate QP-encoded text at $maxLength
- // but not break any encoded letters.
- if(preg_match("/^(.{0,$maxLength}[^\=][^\=])/", $value, $matches))
- $value = $matches[1];
-
- $quoted = $prefix . $value . $ext . $suffix;
+ // 2 x SPACE, 2 x '"', '=', ';'
+ $add_len = strlen($prefix . $suffix) + strlen($name) + 6;
+ $len = $add_len + strlen($value);
+
+ while ($len > $maxLength) {
+ $length = $maxLength - $add_len;
+ // don't break any encoded letters
+ if (preg_match("/^(.{0,$length}[^\=][^\=])/", $value, $matches)) {
+ $_quote = $matches[1];
+ }
+
+ $quoted .= $prefix . $_quote . $suffix . $this->_eol . ' ';
+ $value = substr($value, strlen($_quote));
+ $add_len = strlen($prefix . $suffix) + 4; // 2 x SPACE, '"', ';'
+ $len = strlen($value) + $add_len;
+ }
+
+ $quoted .= $prefix . $value . $suffix;
}
- return " {$name}=\"{$quoted}\"; ";
+ return " {$name}=\"{$quoted}\"";
+ }
+
+ /**
+ * 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)
+ * @param string $eol End-of-line sequence. Default: "\r\n"
+ *
+ * @return string Encoded header data (without a name)
+ * @access public
+ * @since 1.6.1
+ */
+ function encodeHeader($name, $value, $charset='ISO-8859-1',
+ $encoding='quoted-printable', $eol="\r\n"
+ ) {
+ // Structured headers
+ $comma_headers = array(
+ 'from', 'to', 'cc', 'bcc', 'sender', 'reply-to',
+ 'resent-from', 'resent-to', 'resent-cc', 'resent-bcc',
+ 'resent-sender', 'resent-reply-to',
+ 'return-receipt-to', 'disposition-notification-to',
+ );
+ $other_headers = array(
+ 'references', 'in-reply-to', 'message-id', 'resent-message-id',
+ );
+
+ $name = strtolower($name);
+
+ if (in_array($name, $comma_headers)) {
+ $separator = ',';
+ } else if (in_array($name, $other_headers)) {
+ $separator = ' ';
+ }
+
+ if (!$charset) {
+ $charset = 'ISO-8859-1';
+ }
+
+ // Structured header (make sure addr-spec inside is not encoded)
+ if (!empty($separator)) {
+ $parts = Mail_mimePart::_explodeQuotedString($separator, $value);
+ $value = '';
+
+ foreach ($parts as $part) {
+ $part = preg_replace('/\r?\n[\s\t]*/', $eol . ' ', $part);
+ $part = trim($part);
+
+ if (!$part) {
+ continue;
+ }
+ if ($value) {
+ $value .= $separator==',' ? $separator.' ' : ' ';
+ } else {
+ $value = $name . ': ';
+ }
+
+ // let's find phrase (name) and/or addr-spec
+ if (preg_match('/^<\S+@\S+>$/', $part)) {
+ $value .= $part;
+ } else if (preg_match('/^\S+@\S+$/', $part)) {
+ // address without brackets and without name
+ $value .= $part;
+ } else if (preg_match('/<*\S+@\S+>*$/', $part, $matches)) {
+ // address with name (handle name)
+ $address = $matches[0];
+ $word = str_replace($address, '', $part);
+ $word = trim($word);
+ // check if phrase requires quoting
+ if ($word) {
+ // non-ASCII: require encoding
+ if (preg_match('#([\x80-\xFF]){1}#', $word)) {
+ if ($word[0] == '"' && $word[strlen($word)-1] == '"') {
+ // de-quote quoted-string, encoding changes
+ // string to atom
+ $search = array("\\\"", "\\\\");
+ $replace = array("\"", "\\");
+ $word = str_replace($search, $replace, $word);
+ $word = substr($word, 1, -1);
+ }
+ // find length of last line
+ if (($pos = strrpos($value, $eol)) !== false) {
+ $last_len = strlen($value) - $pos;
+ } else {
+ $last_len = strlen($value);
+ }
+ $word = Mail_mimePart::encodeHeaderValue(
+ $word, $charset, $encoding, $last_len, $eol
+ );
+ } else if (($word[0] != '"' || $word[strlen($word)-1] != '"')
+ && preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $word)
+ ) {
+ // ASCII: quote string if needed
+ $word = '"'.addcslashes($word, '\\"').'"';
+ }
+ }
+ $value .= $word.' '.$address;
+ } else {
+ // addr-spec not found, don't encode (?)
+ $value .= $part;
+ }
+
+ // RFC2822 recommends 78 characters limit, use 76 from RFC2047
+ $value = wordwrap($value, 76, $eol . ' ');
+ }
+
+ // remove header name prefix (there could be EOL too)
+ $value = preg_replace(
+ '/^'.$name.':('.preg_quote($eol, '/').')* /', '', $value
+ );
+
+ } else {
+ // Unstructured header
+ // non-ASCII: require encoding
+ if (preg_match('#([\x80-\xFF]){1}#', $value)) {
+ if ($value[0] == '"' && $value[strlen($value)-1] == '"') {
+ // de-quote quoted-string, encoding changes
+ // string to atom
+ $search = array("\\\"", "\\\\");
+ $replace = array("\"", "\\");
+ $value = str_replace($search, $replace, $value);
+ $value = substr($value, 1, -1);
+ }
+ $value = Mail_mimePart::encodeHeaderValue(
+ $value, $charset, $encoding, strlen($name) + 2, $eol
+ );
+ } else if (strlen($name.': '.$value) > 78) {
+ // ASCII: check if header line isn't too long and use folding
+ $value = preg_replace('/\r?\n[\s\t]*/', $eol . ' ', $value);
+ $tmp = wordwrap($name.': '.$value, 78, $eol . ' ');
+ $value = preg_replace('/^'.$name.':\s*/', '', $tmp);
+ // hard limit 998 (RFC2822)
+ $value = wordwrap($value, 998, $eol . ' ', true);
+ }
+ }
+
+ return $value;
+ }
+
+ /**
+ * Explode quoted string
+ *
+ * @param string $delimiter Delimiter expression string for preg_match()
+ * @param string $string Input string
+ *
+ * @return array String tokens array
+ * @access private
+ */
+ function _explodeQuotedString($delimiter, $string)
+ {
+ $result = array();
+ $strlen = strlen($string);
+
+ for ($q=$p=$i=0; $i < $strlen; $i++) {
+ if ($string[$i] == "\""
+ && (empty($string[$i-1]) || $string[$i-1] != "\\")
+ ) {
+ $q = $q ? false : true;
+ } else if (!$q && preg_match("/$delimiter/", $string[$i])) {
+ $result[] = substr($string, $p, $i - $p);
+ $p = $i + 1;
+ }
+ }
+
+ $result[] = substr($string, $p);
+ return $result;
+ }
+
+ /**
+ * Encodes a header value as per RFC2047
+ *
+ * @param string $value The header data to encode
+ * @param string $charset Character set name
+ * @param string $encoding Encoding name (base64 or quoted-printable)
+ * @param int $prefix_len Prefix length. Default: 0
+ * @param string $eol End-of-line sequence. Default: "\r\n"
+ *
+ * @return string Encoded header data
+ * @access public
+ * @since 1.6.1
+ */
+ function encodeHeaderValue($value, $charset, $encoding, $prefix_len=0, $eol="\r\n")
+ {
+ // #17311: Use multibyte aware method (requires mbstring extension)
+ if ($result = Mail_mimePart::encodeMB($value, $charset, $encoding, $prefix_len, $eol)) {
+ return $result;
+ }
+
+ // Generate the header using the specified params and dynamicly
+ // determine the maximum length of such strings.
+ // 75 is the value specified in the RFC.
+ $encoding = $encoding == 'base64' ? 'B' : 'Q';
+ $prefix = '=?' . $charset . '?' . $encoding .'?';
+ $suffix = '?=';
+ $maxLength = 75 - strlen($prefix . $suffix);
+ $maxLength1stLine = $maxLength - $prefix_len;
+
+ if ($encoding == 'B') {
+ // Base64 encode the entire string
+ $value = base64_encode($value);
+
+ // We can cut base64 every 4 characters, so the real max
+ // we can get must be rounded down.
+ $maxLength = $maxLength - ($maxLength % 4);
+ $maxLength1stLine = $maxLength1stLine - ($maxLength1stLine % 4);
+
+ $cutpoint = $maxLength1stLine;
+ $output = '';
+
+ while ($value) {
+ // Split translated string at every $maxLength
+ $part = substr($value, 0, $cutpoint);
+ $value = substr($value, $cutpoint);
+ $cutpoint = $maxLength;
+ // RFC 2047 specifies that any split header should
+ // be seperated by a CRLF SPACE.
+ if ($output) {
+ $output .= $eol . ' ';
+ }
+ $output .= $prefix . $part . $suffix;
+ }
+ $value = $output;
+ } else {
+ // quoted-printable encoding has been selected
+ $value = Mail_mimePart::encodeQP($value);
+
+ // This regexp will break QP-encoded text at every $maxLength
+ // but will not break any encoded letters.
+ $reg1st = "|(.{0,$maxLength1stLine}[^\=][^\=])|";
+ $reg2nd = "|(.{0,$maxLength}[^\=][^\=])|";
+
+ if (strlen($value) > $maxLength1stLine) {
+ // Begin with the regexp for the first line.
+ $reg = $reg1st;
+ $output = '';
+ while ($value) {
+ // Split translated string at every $maxLength
+ // But make sure not to break any translated chars.
+ $found = preg_match($reg, $value, $matches);
+
+ // After this first line, we need to use a different
+ // regexp for the first line.
+ $reg = $reg2nd;
+
+ // Save the found part and encapsulate it in the
+ // prefix & suffix. Then remove the part from the
+ // $value_out variable.
+ if ($found) {
+ $part = $matches[0];
+ $len = strlen($matches[0]);
+ $value = substr($value, $len);
+ } else {
+ $part = $value;
+ $value = '';
+ }
+
+ // RFC 2047 specifies that any split header should
+ // be seperated by a CRLF SPACE
+ if ($output) {
+ $output .= $eol . ' ';
+ }
+ $output .= $prefix . $part . $suffix;
+ }
+ $value = $output;
+ } else {
+ $value = $prefix . $value . $suffix;
+ }
+ }
+
+ return $value;
+ }
+
+ /**
+ * Encodes the given string using quoted-printable
+ *
+ * @param string $str String to encode
+ *
+ * @return string Encoded string
+ * @access public
+ * @since 1.6.0
+ */
+ function encodeQP($str)
+ {
+ // Bug #17226 RFC 2047 restricts some characters
+ // if the word is inside a phrase, permitted chars are only:
+ // ASCII letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_"
+
+ // "=", "_", "?" must be encoded
+ $regexp = '/([\x22-\x29\x2C\x2E\x3A-\x40\x5B-\x60\x7B-\x7E\x80-\xFF])/';
+ $str = preg_replace_callback(
+ $regexp, array('Mail_mimePart', '_qpReplaceCallback'), $str
+ );
+
+ return str_replace(' ', '_', $str);
+ }
+
+ /**
+ * Encodes the given string using base64 or quoted-printable.
+ * This method makes sure that encoded-word represents an integral
+ * number of characters as per RFC2047.
+ *
+ * @param string $str String to encode
+ * @param string $charset Character set name
+ * @param string $encoding Encoding name (base64 or quoted-printable)
+ * @param int $prefix_len Prefix length. Default: 0
+ * @param string $eol End-of-line sequence. Default: "\r\n"
+ *
+ * @return string Encoded string
+ * @access public
+ * @since 1.8.0
+ */
+ function encodeMB($str, $charset, $encoding, $prefix_len=0, $eol="\r\n")
+ {
+ if (!function_exists('mb_substr') || !function_exists('mb_strlen')) {
+ return;
+ }
+
+ $encoding = $encoding == 'base64' ? 'B' : 'Q';
+ // 75 is the value specified in the RFC
+ $prefix = '=?' . $charset . '?'.$encoding.'?';
+ $suffix = '?=';
+ $maxLength = 75 - strlen($prefix . $suffix);
+
+ // A multi-octet character may not be split across adjacent encoded-words
+ // So, we'll loop over each character
+ // mb_stlen() with wrong charset will generate a warning here and return null
+ $length = mb_strlen($str, $charset);
+ $result = '';
+ $line_length = $prefix_len;
+
+ if ($encoding == 'B') {
+ // base64
+ $start = 0;
+ $prev = '';
+
+ for ($i=1; $i<=$length; $i++) {
+ // See #17311
+ $chunk = mb_substr($str, $start, $i-$start, $charset);
+ $chunk = base64_encode($chunk);
+ $chunk_len = strlen($chunk);
+
+ if ($line_length + $chunk_len == $maxLength || $i == $length) {
+ if ($result) {
+ $result .= "\n";
+ }
+ $result .= $chunk;
+ $line_length = 0;
+ $start = $i;
+ } else if ($line_length + $chunk_len > $maxLength) {
+ if ($result) {
+ $result .= "\n";
+ }
+ if ($prev) {
+ $result .= $prev;
+ }
+ $line_length = 0;
+ $start = $i - 1;
+ } else {
+ $prev = $chunk;
+ }
+ }
+ } else {
+ // quoted-printable
+ // see encodeQP()
+ $regexp = '/([\x22-\x29\x2C\x2E\x3A-\x40\x5B-\x60\x7B-\x7E\x80-\xFF])/';
+
+ for ($i=0; $i<=$length; $i++) {
+ $char = mb_substr($str, $i, 1, $charset);
+ // RFC recommends underline (instead of =20) in place of the space
+ // that's one of the reasons why we're not using iconv_mime_encode()
+ if ($char == ' ') {
+ $char = '_';
+ $char_len = 1;
+ } else {
+ $char = preg_replace_callback(
+ $regexp, array('Mail_mimePart', '_qpReplaceCallback'), $char
+ );
+ $char_len = strlen($char);
+ }
+
+ if ($line_length + $char_len > $maxLength) {
+ if ($result) {
+ $result .= "\n";
+ }
+ $line_length = 0;
+ }
+
+ $result .= $char;
+ $line_length += $char_len;
+ }
+ }
+
+ if ($result) {
+ $result = $prefix
+ .str_replace("\n", $suffix.$eol.' '.$prefix, $result).$suffix;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Callback function to replace extended characters (\x80-xFF) with their
+ * ASCII values (RFC2047: quoted-printable)
+ *
+ * @param array $matches Preg_replace's matches array
+ *
+ * @return string Encoded character string
+ * @access private
+ */
+ function _qpReplaceCallback($matches)
+ {
+ return sprintf('=%02X', ord($matches[1]));
+ }
+
+ /**
+ * Callback function to replace extended characters (\x80-xFF) with their
+ * ASCII values (RFC2231)
+ *
+ * @param array $matches Preg_replace's matches array
+ *
+ * @return string Encoded character string
+ * @access private
+ */
+ function _encodeReplaceCallback($matches)
+ {
+ return sprintf('%%%02X', ord($matches[1]));
}
} // End of class
--
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