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PEAR's Mail_mimeDecode updated

This commit is contained in:
Mikael Nordfeldth 2015-07-09 22:29:23 +02:00
parent ed248f7f5a
commit 37e8b027f9
1 changed files with 200 additions and 46 deletions
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246
extlib/Mail/mimeDecode.php
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@ -52,7 +52,7 @@
* @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: mimeDecode.php,v 1.48 2006/12/03 13:43:33 cipri Exp $
* @version CVS: $Id: mimeDecode.php 305875 2010-12-01 07:17:10Z alan_k $
* @link http://pear.php.net/package/Mail_mime
*/
@ -147,6 +147,15 @@ class Mail_mimeDecode extends PEAR
*/
var $_decode_headers;
/**
* Flag to determine whether to include attached messages
* as body in the returned object. Depends on $_include_bodies
*
* @var boolean
* @access private
*/
var $_rfc822_bodies;
/**
* Constructor.
*
@ -165,6 +174,7 @@ class Mail_mimeDecode extends PEAR
$this->_body = $body;
$this->_decode_bodies = false;
$this->_include_bodies = true;
$this->_rfc822_bodies = false;
}
/**
@ -187,7 +197,7 @@ class Mail_mimeDecode extends PEAR
function decode($params = null)
{
// determine if this method has been called statically
$isStatic = !(isset($this) && get_class($this) == __CLASS__);
$isStatic = empty($this) || !is_a($this, __CLASS__);
// Have we been called statically?
// If so, create an object and pass details to that.
@ -208,6 +218,8 @@ class Mail_mimeDecode extends PEAR
$params['decode_bodies'] : false;
$this->_decode_headers = isset($params['decode_headers']) ?
$params['decode_headers'] : false;
$this->_rfc822_bodies = isset($params['rfc_822bodies']) ?
$params['rfc_822bodies'] : false;
$structure = $this->_decode($this->_header, $this->_body);
if ($structure === false) {
@ -235,6 +247,7 @@ class Mail_mimeDecode extends PEAR
$headers = $this->_parseHeaders($headers);
foreach ($headers as $value) {
$value['value'] = $this->_decode_headers ? $this->_decodeHeader($value['value']) : $value['value'];
if (isset($return->headers[strtolower($value['name'])]) AND !is_array($return->headers[strtolower($value['name'])])) {
$return->headers[strtolower($value['name'])] = array($return->headers[strtolower($value['name'])]);
$return->headers[strtolower($value['name'])][] = $value['value'];
@ -247,8 +260,8 @@ class Mail_mimeDecode extends PEAR
}
}
reset($headers);
while (list($key, $value) = each($headers)) {
foreach ($headers as $key => $value) {
$headers[$key]['name'] = strtolower($headers[$key]['name']);
switch ($headers[$key]['name']) {
@ -261,7 +274,7 @@ class Mail_mimeDecode extends PEAR
}
if (isset($content_type['other'])) {
while (list($p_name, $p_value) = each($content_type['other'])) {
foreach($content_type['other'] as $p_name => $p_value) {
$return->ctype_parameters[$p_name] = $p_value;
}
}
@ -271,7 +284,7 @@ class Mail_mimeDecode extends PEAR
$content_disposition = $this->_parseHeaderValue($headers[$key]['value']);
$return->disposition = $content_disposition['value'];
if (isset($content_disposition['other'])) {
while (list($p_name, $p_value) = each($content_disposition['other'])) {
foreach($content_disposition['other'] as $p_name => $p_value) {
$return->d_parameters[$p_name] = $p_value;
}
}
@ -303,6 +316,7 @@ class Mail_mimeDecode extends PEAR
case 'multipart/alternative':
case 'multipart/related':
case 'multipart/mixed':
case 'application/vnd.wap.multipart.related':
if(!isset($content_type['other']['boundary'])){
$this->_error = 'No boundary found for ' . $content_type['value'] . ' part';
return false;
@ -321,7 +335,11 @@ class Mail_mimeDecode extends PEAR
break;
case 'message/rfc822':
$obj = &new Mail_mimeDecode($body);
if ($this->_rfc822_bodies) {
$encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit';
$return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body);
}
$obj = new Mail_mimeDecode($body);
$return->parts[] = $obj->decode(array('include_bodies' => $this->_include_bodies,
'decode_bodies' => $this->_decode_bodies,
'decode_headers' => $this->_decode_headers));
@ -401,6 +419,11 @@ class Mail_mimeDecode extends PEAR
if (preg_match("/^(.*?)\r?\n\r?\n(.*)/s", $input, $match)) {
return array($match[1], $match[2]);
}
// bug #17325 - empty bodies are allowed. - we just check that at least one line
// of headers exist..
if (count(explode("\n",$input))) {
return array($input, '');
}
$this->_error = 'Could not split header and body';
return false;
}
@ -419,7 +442,12 @@ class Mail_mimeDecode extends PEAR
if ($input !== '') {
// Unfold the input
$input = preg_replace("/\r?\n/", "\r\n", $input);
//#7065 - wrapping.. with encoded stuff.. - probably not needed,
// wrapping space should only get removed if the trailing item on previous line is a
// encoded character
$input = preg_replace("/=\r\n(\t| )+/", '=', $input);
$input = preg_replace("/\r\n(\t| )+/", ' ', $input);
$headers = explode("\r\n", trim($input));
foreach ($headers as $value) {
@ -430,7 +458,7 @@ class Mail_mimeDecode extends PEAR
$return[] = array(
'name' => $hdr_name,
'value' => $this->_decode_headers ? $this->_decodeHeader($hdr_value) : $hdr_value
'value' => $hdr_value
);
}
} else {
@ -454,41 +482,161 @@ class Mail_mimeDecode extends PEAR
function _parseHeaderValue($input)
{
if (($pos = strpos($input, ';')) !== false) {
$return['value'] = trim(substr($input, 0, $pos));
$input = trim(substr($input, $pos+1));
if (strlen($input) > 0) {
// This splits on a semi-colon, if there's no preceeding backslash
// Now works with quoted values; had to glue the \; breaks in PHP
// the regex is already bordering on incomprehensible
$splitRegex = '/([^;\'"]*[\'"]([^\'"]*([^\'"]*)*)[\'"][^;\'"]*|([^;]+))(;|$)/';
preg_match_all($splitRegex, $input, $matches);
$parameters = array();
for ($i=0; $i<count($matches[0]); $i++) {
$param = $matches[0][$i];
while (substr($param, -2) == '\;') {
$param .= $matches[0][++$i];
}
$parameters[] = $param;
}
for ($i = 0; $i < count($parameters); $i++) {
$param_name = trim(substr($parameters[$i], 0, $pos = strpos($parameters[$i], '=')), "'\";\t\\ ");
$param_value = trim(str_replace('\;', ';', substr($parameters[$i], $pos + 1)), "'\";\t\\ ");
if ($param_value[0] == '"') {
$param_value = substr($param_value, 1, -1);
}
$return['other'][$param_name] = $param_value;
$return['other'][strtolower($param_name)] = $param_value;
}
}
} else {
if (($pos = strpos($input, ';')) === false) {
$input = $this->_decode_headers ? $this->_decodeHeader($input) : $input;
$return['value'] = trim($input);
return $return;
}
$value = substr($input, 0, $pos);
$value = $this->_decode_headers ? $this->_decodeHeader($value) : $value;
$return['value'] = trim($value);
$input = trim(substr($input, $pos+1));
if (!strlen($input) > 0) {
return $return;
}
// at this point input contains xxxx=".....";zzzz="...."
// since we are dealing with quoted strings, we need to handle this properly..
$i = 0;
$l = strlen($input);
$key = '';
$val = false; // our string - including quotes..
$q = false; // in quote..
$lq = ''; // last quote..
while ($i < $l) {
$c = $input[$i];
//var_dump(array('i'=>$i,'c'=>$c,'q'=>$q, 'lq'=>$lq, 'key'=>$key, 'val' =>$val));
$escaped = false;
if ($c == '\\') {
$i++;
if ($i == $l-1) { // end of string.
break;
}
$escaped = true;
$c = $input[$i];
}
// state - in key..
if ($val === false) {
if (!$escaped && $c == '=') {
$val = '';
$key = trim($key);
$i++;
continue;
}
if (!$escaped && $c == ';') {
if ($key) { // a key without a value..
$key= trim($key);
$return['other'][$key] = '';
$return['other'][strtolower($key)] = '';
}
$key = '';
}
$key .= $c;
$i++;
continue;
}
// state - in value.. (as $val is set..)
if ($q === false) {
// not in quote yet.
if ((!strlen($val) || $lq !== false) && $c == ' ' || $c == "\t") {
$i++;
continue; // skip leading spaces after '=' or after '"'
}
if (!$escaped && ($c == '"' || $c == "'")) {
// start quoted area..
$q = $c;
// in theory should not happen raw text in value part..
// but we will handle it as a merged part of the string..
$val = !strlen(trim($val)) ? '' : trim($val);
$i++;
continue;
}
// got end....
if (!$escaped && $c == ';') {
$val = trim($val);
$added = false;
if (preg_match('/\*[0-9]+$/', $key)) {
// this is the extended aaa*0=...;aaa*1=.... code
// it assumes the pieces arrive in order, and are valid...
$key = preg_replace('/\*[0-9]+$/', '', $key);
if (isset($return['other'][$key])) {
$return['other'][$key] .= $val;
if (strtolower($key) != $key) {
$return['other'][strtolower($key)] .= $val;
}
$added = true;
}
// continue and use standard setters..
}
if (!$added) {
$return['other'][$key] = $val;
$return['other'][strtolower($key)] = $val;
}
$val = false;
$key = '';
$lq = false;
$i++;
continue;
}
$val .= $c;
$i++;
continue;
}
// state - in quote..
if (!$escaped && $c == $q) { // potential exit state..
// end of quoted string..
$lq = $q;
$q = false;
$i++;
continue;
}
// normal char inside of quoted string..
$val.= $c;
$i++;
}
// do we have anything left..
if (strlen(trim($key)) || $val !== false) {
$val = trim($val);
$added = false;
if ($val !== false && preg_match('/\*[0-9]+$/', $key)) {
// no dupes due to our crazy regexp.
$key = preg_replace('/\*[0-9]+$/', '', $key);
if (isset($return['other'][$key])) {
$return['other'][$key] .= $val;
if (strtolower($key) != $key) {
$return['other'][strtolower($key)] .= $val;
}
$added = true;
}
// continue and use standard setters..
}
if (!$added) {
$return['other'][$key] = $val;
$return['other'][strtolower($key)] = $val;
}
}
// decode values.
foreach($return['other'] as $key =>$val) {
$return['other'][$key] = $this->_decode_headers ? $this->_decodeHeader($val) : $val;
}
//print_r($return);
return $return;
}
@ -510,13 +658,19 @@ class Mail_mimeDecode extends PEAR
if ($boundary == $bs_check) {
$boundary = $bs_possible;
}
$tmp = preg_split("/--".preg_quote($boundary, '/')."((?=\s)|--)/", $input);
$tmp = explode('--' . $boundary, $input);
for ($i = 1; $i < count($tmp) - 1; $i++) {
$parts[] = $tmp[$i];
$len = count($tmp) -1;
for ($i = 1; $i < $len; $i++) {
if (strlen(trim($tmp[$i]))) {
$parts[] = $tmp[$i];
}
}
// add the last part on if it does not end with the 'closing indicator'
if (!empty($tmp[$len]) && strlen(trim($tmp[$len])) && $tmp[$len][0] != '-') {
$parts[] = $tmp[$len];
}
return $parts;
}
@ -719,7 +873,7 @@ class Mail_mimeDecode extends PEAR
case "to":
case "cc":
case "bcc":
$to = ",".$item['value'];
$to .= ",".$item['value'];
default:
break;
}