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- create rcube_mime_struct class on Iloha's MIME (mime.inc) basis

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release-0.6
alecpl 15 years ago
parent 1820932295
commit 70318e5463
3 changed files with 220 additions and 342 deletions
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23
program/include/rcube_imap.php
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@ -21,10 +21,6 @@
*/ */
require_once('lib/mime.inc');
require_once('lib/tnef_decoder.inc');
/** /**
* Interface class for accessing an IMAP server * Interface class for accessing an IMAP server
* *
@ -1614,9 +1610,10 @@ class rcube_imap
return $headers->structure; return $headers->structure;
} }
if (!$structure_str) if (!$structure_str) {
$structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true); $structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true);
$structure = iml_GetRawStructureArray($structure_str); }
$structure = rcube_mime_struct::parseStructure($structure_str);
$struct = false; $struct = false;
// parse structure and add headers // parse structure and add headers
@ -1966,16 +1963,16 @@ class rcube_imap
// get part encoding if not provided // get part encoding if not provided
if (!is_object($o_part)) { if (!is_object($o_part)) {
$structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true); $structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true);
$structure = iml_GetRawStructureArray($structure_str); $structure = new rcube_mime_struct();
// error or message not found // error or message not found
if (empty($structure)) if (!$structure->loadStructure($structure_str)) {
return false; return false;
}
$part_type = iml_GetPartTypeCode($structure, $part);
$o_part = new rcube_message_part; $o_part = new rcube_message_part;
$o_part->ctype_primary = $part_type==0 ? 'text' : ($part_type==2 ? 'message' : 'other'); $o_part->ctype_primary = strtolower($structure->getPartType($part));
$o_part->encoding = strtolower(iml_GetPartEncodingString($structure, $part)); $o_part->encoding = strtolower($structure->getPartEncoding($part));
$o_part->charset = iml_GetPartCharset($structure, $part); $o_part->charset = $structure->getPartCharset($part);
} }
// TODO: Add caching for message parts // TODO: Add caching for message parts
@ -3331,6 +3328,8 @@ class rcube_imap
if (!isset($part->body)) if (!isset($part->body))
$part->body = $this->get_message_part($uid, $part->mime_id, $part); $part->body = $this->get_message_part($uid, $part->mime_id, $part);
require_once('lib/tnef_decoder.inc');
$pid = 0; $pid = 0;
$tnef_parts = array(); $tnef_parts = array();
$tnef_arr = tnef_decode($part->body); $tnef_arr = tnef_decode($part->body);

209
program/include/rcube_mime_struct.php
Unescape Escape View File

@ -0,0 +1,209 @@
<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_mime_struct.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2010, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Provide functions for handling mime messages structure |
| |
| Based on Iloha MIME Library. See http://ilohamail.org/ for details |
| |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
| Author: Ryo Chijiiwa <Ryo@IlohaMail.org> |
+-----------------------------------------------------------------------+
$Id$
*/
class rcube_mime_struct
{
private $structure;
function __construct($str=null)
{
if ($str)
$this->structure = $this->parseStructure($str);
}
/*
* Parses IMAP's BODYSTRUCTURE string into array
*/
function parseStructure($str)
{
$line = substr($str, 1, strlen($str) - 2);
$line = str_replace(')(', ') (', $line);
$struct = self::parseBSString($line);
if (!is_array($struct[0]) && (strcasecmp($struct[0], 'message') == 0)
&& (strcasecmp($struct[1], 'rfc822') == 0)) {
$struct = array($struct);
}
return $struct;
}
/*
* Parses IMAP's BODYSTRUCTURE string into array and loads it into class internal variable
*/
function loadStructure($str)
{
if (empty($str))
return true;
$this->structure = $this->parseStructure($str);
return (!empty($this->structure));
}
function getPartType($part)
{
$part_a = $this->getPartArray($this->structure, $part);
if (!empty($part_a)) {
if (is_array($part_a[0]))
return 'multipart';
else if ($part_a[0])
return $part_a[0];
}
return 'other';
}
function getPartEncoding($part)
{
$part_a = $this->getPartArray($this->structure, $part);
if ($part_a) {
if (!is_array($part_a[0]))
return $part_a[5];
}
return '';
}
function getPartCharset($part)
{
$part_a = $this->getPartArray($this->structure, $part);
if ($part_a) {
if (is_array($part_a[0]))
return '';
else {
if (is_array($part_a[2])) {
$name = '';
while (list($key, $val) = each($part_a[2]))
if (strcasecmp($val, 'charset') == 0)
return $part_a[2][$key+1];
}
}
}
return '';
}
function getPartArray($a, $part)
{
if (!is_array($a)) {
return false;
}
if (strpos($part, '.') > 0) {
$original_part = $part;
$pos = strpos($part, '.');
$rest = substr($original_part, $pos+1);
$part = substr($original_part, 0, $pos);
if ((strcasecmp($a[0], 'message') == 0) && (strcasecmp($a[1], 'rfc822') == 0)) {
$a = $a[8];
}
return self::getPartArray($a[$part-1], $rest);
}
else if ($part>0) {
if (!is_array($a[0]) && (strcasecmp($a[0], 'message') == 0)
&& (strcasecmp($a[1], 'rfc822') == 0)) {
$a = $a[8];
}
if (is_array($a[$part-1]))
return $a[$part-1];
else
return $a;
}
else if (($part==0) || (empty($part))) {
return $a;
}
}
private function closingParenPos($str, $start)
{
$level = 0;
$len = strlen($str);
$in_quote = 0;
for ($i=$start; $i<$len; $i++) {
if ($str[$i] == '"' && $str[$i-1] != "\\") {
$in_quote = ($in_quote + 1) % 2;
}
if (!$in_quote) {
if ($str[$i] == '(')
$level++;
else if (($level > 0) && ($str[$i] == ')'))
$level--;
else if (($level == 0) && ($str[$i] == ')'))
return $i;
}
}
}
/*
* Parses IMAP's BODYSTRUCTURE string into array
*/
private function parseBSString($str)
{
$id = 0;
$a = array();
$len = strlen($str);
$in_quote = 0;
for ($i=0; $i<$len; $i++) {
if ($str[$i] == '"') {
$in_quote = ($in_quote + 1) % 2;
} else if (!$in_quote) {
// space means new element
if ($str[$i] == ' ') {
$id++;
// skip additional spaces
while ($str[$i+1] == ' ')
$i++;
// new part
} else if ($str[$i] == '(') {
$i++;
$endPos = self::closingParenPos($str, $i);
$partLen = $endPos - $i;
if ($partLen < 0)
break;
$part = substr($str, $i, $partLen);
$a[$id] = self::parseBSString($part); // send part string
$i = $endPos;
} else
$a[$id] .= $str[$i]; //add to current element in array
} else if ($in_quote) {
if ($str[$i] == "\\") {
$i++; // escape backslashes
if ($str[$i] == '"' || $str[$i] == "\\")
$a[$id] .= $str[$i];
}
else
$a[$id] .= $str[$i]; //add to current element in array
}
}
reset($a);
return $a;
}
}

330
program/lib/mime.inc
Unescape Escape View File

@ -1,330 +0,0 @@
<?php
/////////////////////////////////////////////////////////
//
// Iloha MIME Library (IML)
//
// (C)Copyright 2002 Ryo Chijiiwa <Ryo@IlohaMail.org>
//
// This file is part of IlohaMail. IlohaMail is free software released
// under the GPL license. See enclosed file COPYING for details, or
// see http://www.fsf.org/copyleft/gpl.html
//
/////////////////////////////////////////////////////////
/********************************************************
FILE: include/mime.inc
PURPOSE:
Provide functions for handling mime messages.
USAGE:
Use iil_C_FetchStructureString to get IMAP structure stirng, then pass that through
iml_GetRawStructureArray() to get root node to a nested data structure.
Pass root node to the iml_GetPart*() functions to retreive individual bits of info.
********************************************************/
$MIME_INVALID = -1;
$MIME_TEXT = 0;
$MIME_MULTIPART = 1;
$MIME_MESSAGE = 2;
$MIME_APPLICATION = 3;
$MIME_AUDIO = 4;
$MIME_IMAGE = 5;
$MIME_VIDEO = 6;
$MIME_OTHER = 7;
function iml_ClosingParenPos($str, $start) {
$level=0;
$len = strlen($str);
$in_quote = 0;
for ($i=$start; $i<$len; $i++) {
if ($str[$i] == '"' && $str[$i-1] != "\\")
$in_quote = ($in_quote + 1) % 2;
if (!$in_quote) {
if ($str[$i]=="(") $level++;
else if (($level > 0) && ($str[$i]==")")) $level--;
else if (($level == 0) && ($str[$i]==")")) return $i;
}
}
}
function iml_ParseBSString($str){
$id = 0;
$a = array();
$len = strlen($str);
$in_quote = 0;
for ($i=0; $i<$len; $i++) {
if ($str[$i] == '"') {
$in_quote = ($in_quote + 1) % 2;
} else if (!$in_quote) {
if ($str[$i] == " ") { //space means new element
$id++;
while ($str[$i+1] == " ") $i++; // skip additional spaces
} else if ($str[$i]=="(") { //new part
$i++;
$endPos = iml_ClosingParenPos($str, $i);
$partLen = $endPos - $i;
if ($partLen < 0) break;
$part = substr($str, $i, $partLen);
$a[$id] = iml_ParseBSString($part); //send part string
$i = $endPos;
} else
$a[$id].=$str[$i]; //add to current element in array
} else if ($in_quote) {
if ($str[$i]=="\\") {
$i++; //escape backslashes
if ($str[$i] == '"' || $str[$i] == "\\")
$a[$id] .= $str[$i];
} else
$a[$id] .= $str[$i]; //add to current element in array
}
}
reset($a);
return $a;
}
function iml_GetRawStructureArray($str){
$line=substr($str, 1, strlen($str) - 2);
$line = str_replace(")(", ") (", $line);
$struct = iml_ParseBSString($line);
if (!is_array($struct[0]) && (strcasecmp($struct[0], "message")==0)
&& (strcasecmp($struct[1], "rfc822")==0)) {
$struct = array($struct);
}
return $struct;
}
function iml_GetPartArray($a, $part){
if (!is_array($a)) return false;
if (strpos($part, ".") > 0){
$original_part = $part;
$pos = strpos($part, ".");
$rest = substr($original_part, $pos+1);
$part = substr($original_part, 0, $pos);
if ((strcasecmp($a[0], "message")==0) && (strcasecmp($a[1], "rfc822")==0)){
$a = $a[8];
}
//echo "m - part: $original_part current: $part rest: $rest array: ".implode(" ", $a)."<br>\n";
return iml_GetPartArray($a[$part-1], $rest);
}else if ($part>0){
if (!is_array($a[0]) && (strcasecmp($a[0], "message")==0) && (strcasecmp($a[1], "rfc822")==0)){
$a = $a[8];
}
//echo "s - part: $part rest: $rest array: ".implode(" ", $a)."<br>\n";
if (is_array($a[$part-1])) return $a[$part-1];
else return $a;
}else if (($part==0) || (empty($part))){
return $a;
}
}
function iml_GetNumParts($a, $part){
if (is_array($a)){
$parent=iml_GetPartArray($a, $part);
if ((strcasecmp($parent[0], "message")==0) && (strcasecmp($parent[1], "rfc822")==0)){
$parent = $parent[8];
}
$is_array=true;
$c=0;
while (( list ($key, $val) = each ($parent) )&&($is_array)){
$is_array=is_array($parent[$key]);
if ($is_array) $c++;
}
return $c;
}
return false;
}
function iml_GetPartTypeString($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])){
$type_str = "MULTIPART/";
reset($part_a);
while(list($n,$element)=each($part_a)){
if (!is_array($part_a[$n])){
$type_str.=$part_a[$n];
break;
}
}
return $type_str;
}else return $part_a[0]."/".$part_a[1];
}else return false;
}
function iml_GetFirstTextPart($structure,$part){
if ($part==0) $part="";
$typeCode = -1;
while ($typeCode!=0){
$typeCode = iml_GetPartTypeCode($structure, $part);
if ($typeCode == 1){
$part .= (empty($part)?"":".")."1";
}else if ($typeCode > 0){
$parts_a = explode(".", $part);
$lastPart = count($parts_a) - 1;
$parts_a[$lastPart] = (int)$parts_a[$lastPart] + 1;
$part = implode(".", $parts_a);
}else if ($typeCode == -1){
return "";
}
}
return $part;
}
function iml_GetPartTypeCode($a, $part){
$types=array(0=>"text",1=>"multipart",2=>"message",3=>"application",4=>"audio",5=>"image",6=>"video",7=>"other");
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) $str="multipart";
else $str=$part_a[0];
$code=7;
while ( list($key, $val) = each($types)) if (strcasecmp($val, $str)==0) $code=$key;
return $code;
}else return -1;
}
function iml_GetPartEncodingCode($a, $part){
$encodings=array("7BIT", "8BIT", "BINARY", "BASE64", "QUOTED-PRINTABLE", "OTHER");
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else $str=$part_a[5];
$code=5;
while ( list($key, $val) = each($encodings)) if (strcasecmp($val, $str)==0) $code=$key;
return $code;
}else return -1;
}
function iml_GetPartEncodingString($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else return $part_a[5];
}else return -1;
}
function iml_GetPartSize($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else return $part_a[6];
}else return -1;
}
function iml_GetPartID($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else return $part_a[3];
}else return -1;
}
function iml_GetPartDisposition($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else{
$id = count($part_a) - 2;
if (is_array($part_a[$id])) return $part_a[$id][0];
else return "";
}
}else return "";
}
function iml_GetPartName($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else{
$name = "";
if (is_array($part_a[2])){
//first look in content type
$name="";
while ( list($key, $val) = each ($part_a[2])){
if ((strcasecmp($val, "NAME")==0)||(strcasecmp($val, "FILENAME")==0))
$name=$part_a[2][$key+1];
}
}
if (empty($name)){
//check in content disposition
$id = count($part_a) - 2;
if ((is_array($part_a[$id])) && (is_array($part_a[$id][1]))){
$array = $part_a[$id][1];
while ( list($key, $val) = each($array)){
if ((strcasecmp($val, "NAME")==0)||(strcasecmp($val, "FILENAME")==0))
$name=$array[$key+1];
}
}
}
return $name;
}
}else return "";
}
function iml_GetPartCharset($a, $part){
$part_a=iml_GetPartArray($a, $part);
if ($part_a){
if (is_array($part_a[0])) return -1;
else{
if (is_array($part_a[2])){
$name="";
while ( list($key, $val) = each ($part_a[2])) if (strcasecmp($val, "charset")==0) $name=$part_a[2][$key+1];
return $name;
}
else return "";
}
}else return "";
}
function iml_GetPartList($a, $part){
//echo "MOO?"; flush();
$data = array();
$num_parts = iml_GetNumParts($a, $part);
//echo "($num_parts)"; flush();
if ($num_parts !== false){
//echo "<!-- ($num_parts parts)//-->\n";
for ($i = 0; $i<$num_parts; $i++){
$part_code = $part.(empty($part)?"":".").($i+1);
$part_type = iml_GetPartTypeCode($a, $part_code);
$part_disposition = iml_GetPartDisposition($a, $part_code);
//echo "<!-- part: $part_code type: $part_type //-->\n";
if (strcasecmp($part_disposition, "attachment")!=0 &&
(($part_type == 1) || ($part_type==2))){
$data = array_merge($data, iml_GetPartList($a, $part_code));
}else{
$data[$part_code]["typestring"] = iml_GetPartTypeString($a, $part_code);
$data[$part_code]["disposition"] = $part_disposition;
$data[$part_code]["size"] = iml_GetPartSize($a, $part_code);
$data[$part_code]["name"] = iml_GetPartName($a, $part_code);
$data[$part_code]["id"] = iml_GetPartID($a, $part_code);
}
}
}
return $data;
}
function iml_GetNextPart($part){
if (strpos($part, ".")===false) return $part++;
else{
$parts_a = explode(".", $part);
$num_levels = count($parts_a);
$parts_a[$num_levels-1]++;
return implode(".", $parts_a);
}
}
?>
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