/**
* mime.class
*
- * Copyright (c) 2002 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
+ * This file loads classes needed to handle mime messages.
*
- * This contains functions needed to handle mime messages.
- *
- * $Id$
- */
-
-/*
- * rdc822_header class
- * input: header_string or array
+ * @copyright © 2003-2007 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ * @subpackage mime
*/
-class rfc822_header {
- var $date = '',
- $subject = '',
- $from = array(),
- $sender = '',
- $reply_to = array(),
- $to = array(),
- $cc = array(),
- $bcc = array(),
- $in_reply_to = '',
- $message_id = '',
- $mime = false,
- $content_type = '',
- $disposition = '',
- $xmailer = '',
- $priority = 3,
- $dnt = '',
- $mlist = array(),
- $more_headers = array(); /* only needed for constructing headers
- in smtp.php */
- function parseHeader($hdr) {
- if (is_array($hdr)) {
- $hdr = implode('', $hdr);
- }
-
- /* First we unfold the header */
- $hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $hdr));
-
- /* Now we can make a new header array with */
- /* each element representing a headerline */
- $hdr = explode("\r\n" , $hdr);
- foreach ($hdr as $line) {
- $pos = strpos($line, ':');
- if ($pos > 0) {
- $field = substr($line, 0, $pos);
- $value = trim(substr($line, $pos+1));
- if(!preg_match('/^X.*/i', $field) &&
- !preg_match('/^Subject/i', $field)) {
- $value = $this->stripComments($value);
- }
- $this->parseField($field, $value);
- }
- }
- if ($this->content_type == '') {
- $this->parseContentType('text/plain; charset=us-ascii');
- }
- }
-
- function stripComments($value) {
- $result = '';
-
- $cnt = strlen($value);
- for ($i = 0; $i < $cnt; $i++) {
- switch ($value{$i}) {
- case '"':
- $result .= '"';
- while ((++$i < $cnt) && ($value{$i} != '"')) {
- if ($value{$i} == '\\') {
- $result .= '\\';
- $i++;
- }
- $result .= $value{$i};
- }
- $result .= $value{$i};
- break;
- case '(':
- $depth = 1;
- while (($depth > 0) && (++$i < $cnt)) {
- switch($value{$i}) {
- case '\\':
- $i++;
- break;
- case '(':
- $depth++;
- break;
- case ')':
- $depth--;
- break;
- default:
- break;
- }
- }
- break;
- default:
- $result .= $value{$i};
- break;
- }
- }
- return $result;
- }
-
- function parseField($field, $value) {
- $field = strtolower($field);
- switch($field) {
- case 'date':
- $d = strtr($value, array(' ' => ' '));
- $d = explode(' ', $d);
- $this->date = getTimeStamp($d);
- break;
- case 'subject':
- $this->subject = $value;
- break;
- case 'from':
- $this->from = $this->parseAddress($value,true);
- break;
- case 'sender':
- $this->sender = $this->parseAddress($value);
- break;
- case 'reply-to':
- $this->reply_to = $this->parseAddress($value, true);
- break;
- case 'to':
- $this->to = $this->parseAddress($value, true);
- break;
- case 'cc':
- $this->cc = $this->parseAddress($value, true);
- break;
- case 'bcc':
- $this->bcc = $this->parseAddress($value, true);
- break;
- case 'in-reply-to':
- $this->in_reply_to = $value;
- break;
- case 'message-id':
- $this->message_id = $value;
- break;
- case 'disposition-notification-to':
- $this->dnt = $this->parseAddress($value);
- break;
- case 'mime-version':
- $value = str_replace(' ', '', $value);
- $this->mime = ($value == '1.0' ? true : $this->mime);
- break;
- case 'content-type':
- $this->parseContentType($value);
- break;
- case 'content-disposition':
- $this->parseDisposition($value);
- break;
- case 'user-agent':
- case 'x-mailer':
- $this->xmailer = $value;
- break;
- case 'x-priority':
- $this->priority = $value;
- break;
- case 'list-post':
- $this->mlist('post', $value);
- break;
- case 'list-reply':
- $this->mlist('reply', $value);
- break;
- case 'list-subscribe':
- $this->mlist('subscribe', $value);
- break;
- case 'list-unsubscribe':
- $this->mlist('unsubscribe', $value);
- break;
- case 'list-archive':
- $this->mlist('archive', $value);
- break;
- case 'list-owner':
- $this->mlist('owner', $value);
- break;
- case 'list-help':
- $this->mlist('help', $value);
- break;
- case 'list-id':
- $this->mlist('id', $value);
- break;
- default:
- break;
- }
- }
-
- function parseAddress
- ($address, $ar=false, $addr_ar = array(), $group = '') {
- $pos = 0;
- $j = strlen($address);
- $name = '';
- $addr = '';
- while ($pos < $j) {
- switch ($address{$pos}) {
- case '"': /* get the personal name */
- if ($address{++$pos} == '"') {
- ++$pos;
- } else {
- while ($pos < $j && $address{$pos} != '"') {
- if ((substr($address, $pos, 2) == '\\"') ||
- (substr($address, $pos, 2) == '\\\\')) {
- $name .= $address{$pos++};
- }
- $name .= $address{$pos++};
- }
- }
- ++$pos;
- break;
- case '<': /* get email address */
- $addr_start = $pos++;
- while ($pos < $j && $address{$pos} != '>') {
- $addr .= $address{$pos++};
- }
- ++$pos;
- break;
- case '(': /* rip off comments */
- $addr_start = $pos;
- for (++$pos; $pos < $j && $address{$pos} != ')'; ++$pos) {
- $addr .= $address{$pos};
- }
- $address_start = substr($address, 0, $addr_start);
- $address_end = substr($address, $pos + 1);
- $address = $address_start . $address_end;
- $j = strlen($address);
- $pos = $addr_start + 1;
- break;
- case ',': /* we reached a delimiter */
- if ($addr == '') {
- $addr = substr($address, 0, $pos);
- } else if ($name == '') {
- $name = trim(substr($address, 0, $addr_start));
- }
-
- $at = strpos($addr, '@');
- $addr_structure = new address_structure();
- $addr_structure->personal = $name;
- $addr_structure->group = $group;
- if ($at) {
- $addr_structure->mailbox = substr($addr, 0, $at);
- $addr_structure->host = substr($addr, $at+1);
- } else {
- $addr_structure->mailbox = $addr;
- }
- $address = trim(substr($address, $pos+1));
- $j = strlen($address);
- $pos = 0;
- $name = '';
- $addr = '';
- $addr_ar[] = $addr_structure;
- break;
- case ':': /* process the group addresses */
- /* group marker */
- $group = substr($address, 0, $pos);
- $address = substr($address, $pos+1);
- $result = $this->parseAddress($address, $ar, $addr_ar, $group);
- $addr_ar = $result[0];
- $pos = $result[1];
- $address = substr($address, $pos++);
- $j = strlen($address);
- $group = '';
- break;
- case ';':
- if ($group) {
- $address = substr($address, 0, $pos - 1);
- }
- ++$pos;
- break;
- default:
- ++$pos;
- break;
- }
- }
- if ($addr == '') {
- $addr = substr($address, 0, $pos);
- } else if ($name == '') {
- $name = trim(substr($address, 0, $addr_start));
- }
- $at = strpos($addr, '@');
- $addr_structure = new address_structure();
- $addr_structure->group = $group;
- if ($at) {
- $addr_structure->mailbox = trim(substr($addr, 0, $at));
- $addr_structure->host = trim(substr($addr, $at+1));
- } else {
- $addr_structure->mailbox = trim($addr);
- }
- if ($group && $addr == '') { /* no addresses found in group */
- $name = "$group: Undisclosed recipients;";
- $addr_structure->personal = $name;
- $addr_ar[] = $addr_structure;
- return (array($addr_ar, $pos+1));
- } else {
- $addr_structure->personal = $name;
- if ($name || $addr) {
- $addr_ar[] = $addr_structure;
- }
- }
- if ($ar) {
- return ($addr_ar);
- }
- return ($addr_ar[0]);
- }
-
- function parseContentType($value) {
- $pos = strpos($value, ';');
- $props = '';
- if ($pos > 0) {
- $type = trim(substr($value, 0, $pos));
- $props = trim(substr($type, $pos+1));
- } else {
- $type = $value;
- }
- $content_type = new content_type($type);
- if ($props) {
- $properties = $this->parseProperties($props);
- if (!isset($properties['charset'])) {
- $properties['charset'] = 'us-ascii';
- }
- $content_type->properties = $this->parseProperties($props);
- }
- $this->content_type = $content_type;
- }
-
- function parseProperties($value) {
- $propArray = explode(';', $value);
- $propResultArray = array();
- foreach ($propArray as $prop) {
- $prop = trim($prop);
- $pos = strpos($prop, '=');
- if ($pos > 0) {
- $key = trim(substr($prop, 0, $pos));
- $val = trim(substr($prop, $pos+1));
- if ($val{0} == '"') {
- $val = substr($val, 1, -1);
- }
- $propResultArray[$key] = $val;
- }
- }
- return $propResultArray;
- }
-
- function parseDisposition($value) {
- $pos = strpos($value, ';');
- $props = '';
- if ($pos > 0) {
- $name = trim(substr($value, 0, $pos));
- $props = trim(substr($type, $pos+1));
- } else {
- $name = $value;
- }
- $props_a = $this->parseProperties($props);
- $disp = new disposition($name);
- $disp->properties = $props_a;
- $this->disposition = $disp;
- }
-
- function mlist($field, $value) {
- $res_a = array();
- $value_a = explode(',', $value);
- foreach ($value_a as $val) {
- $val = trim($val);
- if ($val{0} == '<') {
- $val = substr($val, 1, -1);
- }
- if (substr($val, 0, 7) == 'mailto:') {
- $res_a['mailto'] = substr($val, 7);
- } else {
- $res_a['href'] = $val;
- }
- }
- $this->mlist[$field] = $res_a;
- }
-
- /*
- * function to get the addres strings out of the header.
- * Arguments: string or array of strings !
- * example1: header->getAddr_s('to').
- * example2: header->getAddr_s(array('to', 'cc', 'bcc'))
- */
- function getAddr_s($arr, $separator = ',') {
- $s = '';
-
- if (is_array($arr)) {
- foreach($arr as $arg) {
- if ($this->getAddr_s($arg)) {
- $s .= $separator . $result;
- }
- }
- $s = ($s ? substr($s, 2) : $s);
- } else {
- eval('$addr = $this->' . $arr . ';') ;
- if (is_array($addr)) {
- foreach ($addr as $addr_o) {
- if (is_object($addr_o)) {
- $s .= $addr_o->getAddress() . $separator;
- }
- }
- $s = substr($s, 0, -strlen($separator));
- } else {
- if (is_object($addr)) {
- $s .= $addr->getAddress();
- }
- }
- }
- return $s;
- }
-
- function getAddr_a($arg, $excl_arr = array(), $arr = array()) {
- if (is_array($arg)) {
- foreach($arg as $argument) {
- $arr = $this->getAddr_a($argument, $excl_arr, $arr);
- }
- } else {
- eval('$addr = $this->' . $arg . ';') ;
- if (is_array($addr)) {
- foreach ($addr as $next_addr) {
- if (is_object($next_addr)) {
- if (isset($next_addr->host) && ($next_addr->host != '')) {
- $email = $next_addr->mailbox . '@' . $next_addr->host;
- } else {
- $email = $next_addr->mailbox;
- }
- $email = strtolower($email);
- if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
- $arr[$email] = $next_addr->personal;
- }
- }
- }
- } else {
- if (is_object($addr)) {
- $email = $addr->mailbox;
- $email .= (isset($addr->host) ? '@' . $addr->host : '');
- $email = strtolower($email);
- if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
- $arr[$email] = $addr->personal;
- }
- }
- }
- }
- return $arr;
- }
-
- function getContentType($type0, $type1) {
- $type0 = $this->content_type->type0;
- $type1 = $this->content_type->type1;
- return $this->content_type->properties;
- }
-}
-
-class msg_header {
- /** msg_header contains all variables available in a bodystructure **/
- /** entity like described in rfc2060 **/
-
- var $type0 = '',
- $type1 = '',
- $parameters = array(),
- $id = 0,
- $description = '',
- $encoding='',
- $size = 0,
- $md5='',
- $disposition = '',
- $language='';
-
- /*
- * returns addres_list of supplied argument
- * arguments: array('to', 'from', ...) or just a string like 'to'.
- * result: string: address1, addres2, ....
- */
-
- function setVar($var, $value) {
- $this->{$var} = $value;
- }
-
- function getParameter($p) {
- $value = strtolower($p);
- return (isset($this->parameters[$p]) ? $this->parameters[$p] : '');
- }
-
- function setParameter($parameter, $value) {
- $this->parameters[strtolower($parameter)] = $value;
- }
-}
-
-
-
-class address_structure {
- var $personal = '',
- $adl = '',
- $mailbox = '',
- $host = '',
- $group = '';
-
- function getAddress($full = true) {
- $result = '';
-
- if (is_object($this)) {
- if (isset($this->host) && ($this->host != '')) {
- $email = $this->mailbox.'@'.$this->host;
- } else {
- $email = $this->mailbox;
- }
- if (trim($this->personal) != '') {
- if ($email) {
- $addr = '"' . $this->personal . '" <' .$email.'>';
- } else {
- $addr = $this->personal;
- }
- $best_dpl = $this->personal;
- } else {
- $addr = $email;
- $best_dpl = $email;
- }
- $result = ($full ? $addr : $best_dpl);
- }
- return $result;
- }
-}
-
-class message {
- /** message is the object that contains messages. It is a recursive
- object in that through the $entities variable, it can contain
- more objects of type message. See documentation in mime.txt for
- a better description of how this works.
- **/
- var $rfc822_header = '',
- $mime_header = '',
- $flags = '',
- $type0='',
- $type1='',
- $entities = array(),
- $parent_ent, $entity,
- $parent = '', $decoded_body='',
- $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0,
- $is_mdnsent = 0,
- $body_part = '',
- $offset = 0, /* for fetching body parts out of raw messages */
- $length = 0; /* for fetching body parts out of raw messages */
-
- function setEnt($ent) {
- $this->entity_id= $ent;
- }
-
- function addEntity ($msg) {
- $msg->parent = &$this;
- $this->entities[] = $msg;
- }
-
- function getFilename() {
- $filename = '';
-
- if (is_object($this->header->disposition)) {
- $filename = $this->header->disposition->getproperty('filename');
- if (!$filename) {
- $filename = $this->header->disposition->getproperty('name');
- }
- }
- if (!$filename) {
- $filename = 'untitled-'.$this->entity_id;
- }
- return $filename;
- }
-
-
- function addRFC822Header($read) {
- $header = new rfc822_header();
- $this->rfc822_header = $header->parseHeader($read);
- }
-
- function getEntity($ent) {
- $cur_ent = $this->entity_id;
- $msg = $this;
- if (($cur_ent == '') || ($cur_ent == '0')) {
- $cur_ent_a = array();
- } else {
- $cur_ent_a = explode('.', $this->entity_id);
- }
- $ent_a = explode('.', $ent);
-
- $cnt = count($ent_a);
-
- for ($i = 0; $i < $cnt -1; ++$i) {
- if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) {
- $msg = $msg->parent;
- $cur_ent_a = explode('.', $msg->entity_id);
- --$i;
- } else if (!isset($cur_ent_a[$i])) {
- if (isset($msg->entities[($ent_a[$i]-1)])) {
- $msg = $msg->entities[($ent_a[$i]-1)];
- } else {
- $msg = $msg->entities[0];
- }
- }
- if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) {
- /*this is a header for a message/rfc822 entity */
- $msg = $msg->entities[0];
- }
- }
-
- if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) {
- /*this is a header for a message/rfc822 entity */
- $msg = $msg->entities[0];
- }
-
- if (isset($msg->entities[($ent_a[$cnt-1])-1])) {
- if (is_object($msg->entities[($ent_a[$cnt-1])-1])) {
- $msg = $msg->entities[($ent_a[$cnt-1]-1)];
- }
- }
-
- return $msg;
- }
-
- function setBody($s) {
- $this->body_part = $s;
- }
-
- function clean_up() {
- $msg = $this;
- $msg->body_part = '';
-
- foreach ($msg->entities as $m) {
- $m->clean_up();
- }
- }
-
- function getMailbox() {
- $msg = $this;
- while (is_object($msg->parent)) {
- $msg = $msg->parent;
- }
- return $msg->mailbox;
- }
-
- function calcEntity($msg) {
- if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) {
- $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */
- } else if (isset($this->entity_id) && ($this->entity_id != '')) {
- $ent_no = count($this->entities)+1;
- $par_ent = substr($this->entity_id, -2);
- if ($par_ent{0} == '.') {
- $par_ent = $par_ent{1};
- }
- if ($par_ent == '0') {
- $ent_no = count($this->entities) + 1;
- if ($ent_no > 0) {
- $ent = substr($this->entity_id, 0, strrpos($this->entity_id, '.'));
- $ent = ($ent ? $ent . ".$ent_no" : $ent_no);
- $msg->entity_id = $ent;
- } else {
- $msg->entity_id = $ent_no;
- }
- } else {
- $ent = $this->entity_id . ".$ent_no";
- $msg->entity_id = $ent;
- }
- } else {
- $msg->entity_id = '0';
- }
-
- return $msg->entity_id;
- }
-
-
- /*
- * Bodystructure parser, a recursive function for generating the
- * entity-tree with all the mime-parts.
- *
- * It follows RFC2060 and stores all the described fields in the
- * message object.
- *
- * Question/Bugs:
- *
- * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net.
- *
- */
- function parseStructure($read, $i = 0) {
- $arg_no = 0;
- $arg_a = array();
- $cnt = strlen($read);
-
- for (; $i < $cnt; ++$i) {
- $char = strtoupper($read{$i});
- switch ($char) {
- case '(':
- if ($arg_no == 0) {
- if (!isset($msg)) {
- $msg = new message();
- $hdr = new msg_header();
- $hdr->type0 = 'text';
- $hdr->type1 = 'plain';
- $hdr->encoding = 'us-ascii';
- $msg->entity_id = $this->calcEntity($msg);
- } else {
- $msg->header->type0 = 'multipart';
- $msg->type0 = 'multipart';
- while ($read{$i} == '(') {
- $res = $msg->parseStructure($read, $i);
- $i = $res[1];
- $msg->addEntity($res[0]);
- }
- }
- } else {
- switch ($arg_no) {
- case 1:
- /* multipart properties */
- ++$i;
- $res = $this->parseProperties($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case 2:
- if (isset($msg->type0) && ($msg->type0 == 'multipart')) {
- ++$i;
- $res = $msg->parseDisposition($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- } else { /* properties */
- $res = $msg->parseProperties($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- }
- ++$arg_no;
- break;
- case 3:
- if (isset($msg->type0) && ($msg->type0 == 'multipart')) {
- ++$i;
- $res= $msg->parseLanguage($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- }
- case 7:
- if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) {
- $msg->header->type0 = $arg_a[0];
- $msg->type0 = $arg_a[0];
- $msg->header->type1 = $arg_a[1];
- $msg->type1 = $arg_a[1];
- $rfc822_hdr = new rfc822_header();
- $res = $msg->parseEnvelope($read, $i, $rfc822_hdr);
- $i = $res[1] + 1;
- $msg->rfc822_header = $res[0];
- while (($i < $cnt) && ($read{$i} != '(')) {
- ++$i;
- }
- $res = $msg->parseStructure($read, $i);
- $i = $res[1];
- $msg->addEntity($res[0]);
- }
- break;
- case 8:
- ++$i;
- $res = $msg->parseDisposition($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case 9:
- ++$i;
- if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) {
- $res = $msg->parseDisposition($read, $i);
- } else {
- $res = $msg->parseLanguage($read, $i);
- }
- $arg_a[] = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case 10:
- if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) {
- ++$i;
- $res = $msg->parseLanguage($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- } else {
- $i = $msg->parseParenthesis($read, $i);
- $arg_a[] = ''; /* not yet desribed in rfc2060 */
- }
- ++$arg_no;
- break;
- default:
- /* unknown argument, skip this part */
- $i = $msg->parseParenthesis($read, $i);
- $arg_a[] = '';
- ++$arg_no;
- break;
- } /* switch */
- }
- break;
- case '"':
- /* inside an entity -> start processing */
- $debug = substr($read, $i, 20);
- $res = $msg->parseQuote($read, $i);
- $arg_s = $res[0];
- $i = $res[1];
- ++$arg_no;
- if ($arg_no < 3) {
- $arg_s = strtolower($arg_s); /* type0 and type1 */
- }
- $arg_a[] = $arg_s;
- break;
- case 'n':
- case 'N':
- /* probably NIL argument */
- if (strtoupper(substr($read, $i, 4)) == 'NIL ') {
- $arg_a[] = '';
- ++$arg_no;
- $i += 2;
- }
- break;
- case '{':
- /* process the literal value */
- $res = $msg->parseLiteral($read, $i);
- $arg_s = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case is_numeric($read{$i}):
- /* process integers */
- if ($read{$i} == ' ') { break; }
- $arg_s = $read{$i};;
- for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) {
- $arg_s .= $read{$i};
- }
- ++$arg_no;
- $arg_a[] = $arg_s;
- break;
- case ')':
- $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart'));
- if (!$multipart) {
- $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')));
- $hdr->type0 = $arg_a[0];
- $hdr->type1 = $arg_a[1];
-
- $msg->type0 = $arg_a[0];
- $msg->type1 = $arg_a[1];
-
- $arr = $arg_a[2];
- if (is_array($arr)) {
- $hdr->parameters = $arg_a[2];
- }
- $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3]));
- $hdr->description = $arg_a[4];
- $hdr->encoding = strtolower($arg_a[5]);
- $hdr->entity_id = $msg->entity_id;
- $hdr->size = $arg_a[6];
- if ($shifted_args) {
- $hdr->lines = $arg_a[7];
- $s = 1;
- } else {
- $s = 0;
- }
- $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5);
- $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition);
- $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language);
- $msg->header = $hdr;
-// $arg_no = 0;
- ++$i;
- if ((substr($msg->entity_id, -2) == '.0') && ($msg->type0 !='multipart')) {
- $msg->entity_id++;
- }
- } else {
- $hdr->type0 = 'multipart';
- $hdr->type1 = $arg_a[0];
- $msg->type0 = 'multipart';
- $msg->type1 = $arg_a[0];
- $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters);
- $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition);
- $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language);
- $msg->header = $hdr;
- }
- return (array($msg, $i));
- default: break;
- } /* switch */
-
- } /* for */
- } /* parsestructure */
-
- function parseProperties($read, $i) {
- $properties = array();
- $prop_name = '';
-
- for (; $read{$i} != ')'; ++$i) {
- $arg_s = '';
- if ($read{$i} == '"') {
- $res = $this->parseQuote($read, $i);
- $arg_s = $res[0];
- $i = $res[1];
- } else if ($read{$i} == '{') {
- $res = $this->parseLiteral($read, $i);
- $arg_s = $res[0];
- $i = $res[1];
- }
-
- if ($arg_s != '') {
- if ($prop_name == '') {
- $prop_name = strtolower($arg_s);
- $properties[$prop_name] = '';
- } else if ($prop_name != '') {
- $properties[$prop_name] = $arg_s;
- $prop_name = '';
- }
- }
- }
-
- return array($properties, $i);
- }
-
- function parseEnvelope($read, $i, $hdr) {
- $arg_no = 0;
- $arg_a = array();
- $cnt = strlen($read);
-
- for (; ($i < $cnt) && ($read{$i} != ')'); ++$i) {
- ++$i;
- $char = strtoupper($read{$i});
- switch ($char) {
- case '"':
- $res = $this->parseQuote($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case '{':
- $res = $this->parseLiteral($read, $i);
- $arg_a[] = $res[0];
- $i = $res[1];
- ++$arg_no;
- break;
- case 'N':
- /* probably NIL argument */
- if (strtoupper(substr($read, $i, 3)) == 'NIL') {
- $arg_a[] = '';
- ++$arg_no;
- $i += 2;
- }
- break;
- case '(':
- /* Address structure (with group support)
- * Note: Group support is useless on SMTP connections
- * because the protocol doesn't support it
- */
- $addr_a = array();
- $group = '';
- $a=0;
- for (; $i < $cnt && $read{$i} != ')'; ++$i) {
- if ($read{$i} == '(') {
- $res = $this->parseAddress($read, $i);
- $addr = $res[0];
- $i = $res[1];
- if (($addr->host == '') && ($addr->mailbox != '')) {
- /* start of group */
- $group = $addr->mailbox;
- $group_addr = $addr;
- $j = $a;
- } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) {
- /* end group */
- if ($a == ($j+1)) { /* no group members */
- $group_addr->group = $group;
- $group_addr->mailbox = '';
- $group_addr->personal = "$group: Undisclosed recipients;";
- $addr_a[] = $group_addr;
- $group ='';
- }
- } else {
- $addr->group = $group;
- $addr_a[] = $addr;
- }
- ++$a;
- }
- }
- $arg_a[] = $addr_a;
- break;
- default: break;
- }
- }
-
- if (count($arg_a) > 9) {
- /* argument 1: date */
- $d = strtr($arg_a[0], array(' ' => ' '));
- $d = explode(' ', $d);
- $hdr->date = getTimeStamp($d);
-
- /* argument 2: subject */
- $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]);
- $hdr->subject = $arg_a[1];
-
- $hdr->from = $arg_a[2][0]; /* argument 3: from */
- $hdr->sender = $arg_a[3][0]; /* argument 4: sender */
- $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */
- $hdr->to = $arg_a[5]; /* argument 6: to */
- $hdr->cc = $arg_a[6]; /* argument 7: cc */
- $hdr->bcc = $arg_a[7]; /* argument 8: bcc */
- $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */
- $hdr->message_id = $arg_a[9]; /* argument 10: message-id */
- }
- return (array($hdr, $i));
- }
-
- function parseLiteral($read, $i) {
- $lit_cnt = '';
- for (++$i; $read{$i} != '}'; ++$i) {
- $lit_cnt .= $read{$i};
- }
-
- $lit_cnt +=2; /* add the { and } characters */
- $s = '';
- for ($j = 0; $j < $lit_cnt; ++$j) {
- $s .= $read{++$i};
- }
- return (array($s, $i));
- }
-
- function parseQuote($read, $i) {
- $s = '';
- for (++$i; $read{$i} != '"'; ++$i) {
- if ($read{$i} == '\\') {
- ++$i;
- }
- $s .= $read{$i};
- }
- return (array($s, $i));
- }
-
- function parseAddress($read, $i) {
- $arg_a = array();
-
- for (; $read{$i} != ')'; ++$i) {
- $char = strtoupper($read{$i});
- switch ($char) {
- case '"':
- case '{':
- $res = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i));
- $arg_a[] = $res[0];
- $i = $res[1];
- break;
- case 'n':
- case 'N':
- if (strtoupper(substr($read, $i, 3)) == 'NIL') {
- $arg_a[] = '';
- $i += 2;
- }
- break;
- default: break;
- }
- }
-
- if (count($arg_a) == 4) {
- $adr = new address_structure();
- $adr->personal = $arg_a[0];
- $adr->adl = $arg_a[1];
- $adr->mailbox = $arg_a[2];
- $adr->host = $arg_a[3];
- } else {
- $adr = '';
- }
- return (array($adr, $i));
- }
-
- function parseDisposition($read, $i) {
- $arg_a = array();
-
- for (; $read{$i} != ')'; ++$i) {
- switch ($read{$i}) {
- case '"':
- case '{':
- case '(':
- switch ($read{$i}) {
- case '"': $res = $this->parseQuote($read, $i); break;
- case '{': $res = $this->parseLiteral($read, $i); break;
- case '(': $res = $this->parseProperties($read, $i); break;
- }
- $arg_a[] = $res[0];
- $i = $res[1];
- break;
- default: break;
- }
- }
-
- if (isset($arg_a[0])) {
- $disp = new disposition($arg_a[0]);
- if (isset($arg_a[1])) {
- $disp->properties = $arg_a[1];
- }
- }
-
- return (is_object($disp) ? array($disp, $i) : array('', $i));
- }
-
- function parseLanguage($read, $i) {
- /* no idea how to process this one without examples */
- $arg_a = array();
-
- for (; $read{$i} != ')'; ++$i) {
- switch ($read{$i}) {
- case '"':
- case '{':
- case '(':
- switch ($read{$i}) {
- case '"': $res = $this->parseQuote($read, $i); break;
- case '{': $res = $this->parseLiteral($read, $i); break;
- case '(': $res = $this->parseProperties($read, $i); break;
- }
- $arg_a[] = $res[0];
- $i = $res[1];
- break;
- default: break;
- }
- }
-
- if (isset($arg_a[0])) {
- $lang = new language($arg_a[0]);
- if (isset($arg_a[1])) {
- $lang->properties = $arg_a[1];
- }
- }
-
- return (is_object($lang) ? array($lang, $i) : array('', $i));
- }
-
- function parseParenthesis($read, $i) {
- for (; $read{$i} != ')'; ++$i) {
- switch ($read{$i}) {
- case '"':
- case '{':
- case '(':
- switch ($read{$i}) {
- case '"': $res = $this->parseQuote($read, $i); break;
- case '{': $res = $this->parseLiteral($read, $i); break;
- case '(': $res = $this->parseProperties($read, $i); break;
- }
- $i = $res[1];
- break;
- default: break;
- }
- }
- return $i;
- }
-
- /* Function to fill the message structure in case the */
- /* bodystructure is not available NOT FINISHED YET */
- function parseMessage($read, $type0, $type1) {
- switch ($type0) {
- case 'message':
- $rfc822_header = true;
- $mime_header = false;
- break;
- case 'multipart':
- $rfc822_header = false;
- $mime_header = true;
- break;
- default: return $read;
- }
-
- for ($i = 1; $i < $count; ++$i) {
- $line = trim($body[$i]);
- if (($mime_header || $rfc822_header) &&
- (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) {
- $bnd = $reg[1];
- $bndreg = $bnd;
- $bndreg = str_replace("\\", "\\\\", $bndreg);
- $bndreg = str_replace("?", "\\?", $bndreg);
- $bndreg = str_replace("+", "\\+", $bndreg);
- $bndreg = str_replace(".", "\\.", $bndreg);
- $bndreg = str_replace("/", "\\/", $bndreg);
- $bndreg = str_replace("-", "\\-", $bndreg);
- $bndreg = str_replace("(", "\\(", $bndreg);
- $bndreg = str_replace(")", "\\)", $bndreg);
- } else if ($rfc822_header && $line == '') {
- $rfc822_header = false;
- if ($msg->type0 == 'multipart') {
- $mime_header = true;
- }
- }
-
- if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) {
- $cnt=count($boundaries)-1;
- $bnd = $boundaries[$cnt]['bnd'];
- $bndreg = $boundaries[$cnt]['bndreg'];
-
- $regstr = '/^--'."($bndreg)".".*".'/';
- if (preg_match($regstr, $line, $reg)) {
- $bndlen = strlen($reg[1]);
- $bndend = false;
- if (strlen($line) > ($bndlen + 3)) {
- if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) {
- $bndend = true;
- }
- }
- if ($bndend) {
- /* calc offset and return $msg */
- //$entStr = CalcEntity("$entStr", -1);
- array_pop($boundaries);
- $mime_header = true;
- $bnd_end = true;
- } else {
- $mime_header = true;
- $bnd_end = false;
- //$entStr = CalcEntity("$entStr", 0);
- ++$content_indx;
- }
- } else {
- if ($header) { }
- }
- }
- }
- }
-
- function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) {
- $found = false;
- if ($this->type0 == 'multipart') {
- if($this->type1 == 'alternative') {
- $msg = $this->findAlternativeEntity($alt_order);
- if (count($msg->entities) == 0) {
- $entity[] = $msg->entity_id;
- } else {
- $entity = $msg->findDisplayEntity($entity, $alt_order, $strict);
- }
- $found = true;
- } else if ($this->type1 == 'related') { /* RFC 2387 */
- $msgs = $this->findRelatedEntity();
- foreach ($msgs as $msg) {
- if (count($msg->entities) == 0) {
- $entity[] = $msg->entity_id;
- } else {
- $entity = $msg->findDisplayEntity($entity, $alt_order, $strict);
- }
- }
- if (count($msgs) > 0) {
- $found = true;
- }
- } else { /* Treat as multipart/mixed */
- foreach ($this->entities as $ent) {
- if(strtolower($ent->header->disposition->name) != 'attachment' &&
- ($ent->type0 != 'message' && $ent->type1 != 'rfc822'))
- {
- $entity = $ent->findDisplayEntity($entity, $alt_order, $strict);
- $found = true;
- }
- }
- }
- } else { /* If not multipart, then just compare with each entry from $alt_order */
- $type = $this->type0.'/'.$this->type1;
- foreach ($alt_order as $alt) {
- if( ($alt == $type) && isset($this->entity_id) ) {
- if ( (count($this->entities) == 0) &&
- (strtolower($this->header->disposition->name) != 'attachment') )
- {
- $entity[] = $this->entity_id;
- $found = true;
- }
- }
- }
- }
- if(!$found) {
- foreach ($this->entities as $ent) {
- if((strtolower($ent->header->disposition->name) != 'attachment') &&
- (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) {
- $entity = $ent->findDisplayEntity($entity, $alt_order, $strict);
- $found = true;
- }
- }
- }
- if(!$strict && !$found) {
- if ($this->type0 == 'text' &&
- ($this->type1 == 'plain' ||
- $this->type1 == 'html' ||
- $this->type1 == 'message') &&
- isset($this->entity_id) )
- {
- if (count($this->entities) == 0) {
- if (strtolower($this->header->disposition->name) != 'attachment') {
- $entity[] = $this->entity_id;
- }
- }
- }
- }
-
- return $entity;
- }
-
- function findAlternativeEntity($alt_order) {
- /* If we are dealing with alternative parts then we */
- /* choose the best viewable message supported by SM. */
- $best_view = 0;
- $entity = array();
- $altcount = count($alt_order);
-
- foreach($this->entities as $ent) {
- $type = $ent->header->type0 . '/' . $ent->header->type1;
- if ($type == 'multipart/related') {
- $type = $ent->header->getParameter('type');
- }
- for ($j = $best_view; $j < $altcount; ++$j) {
- if (($alt_order[$j] == $type) && ($j >= $best_view)) {
- $best_view = $j;
- $entity = $ent;
- }
- }
- }
-
- return $entity;
- }
-
- function findRelatedEntity() {
- $msgs = array();
- $entcount = count($this->entities);
-
- for ($i = 0; $i < $entcount; ++$i) {
- $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1;
- if ($this->header->getParameter('type') == $type) {
- $msgs[] = $this->entities[$i];
- }
- }
-
- return $msgs;
- }
-
- function getAttachments($exclude_id=array(), $result = array()) {
- if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) {
- $this = $this->entities[0];
- }
-
- if (count($this->entities)) {
- foreach ($this->entities as $entity) {
- $exclude = false;
-
- foreach ($exclude_id as $excl) {
- if ($entity->entity_id === $excl) {
- $exclude = true;
- }
- }
-
- if (!$exclude) {
- if (($entity->type0 == 'multipart') &&
- ($entity->type1 != 'related')) {
- $result = $entity->getAttachments($exclude_id, $result);
- } else if ($entity->type0 != 'multipart') {
- $result[] = $entity;
- }
- }
- }
- } else {
- $exclude = false;
- foreach ($exclude_id as $excl) {
- $exclude = $exclude || ($this->entity_id == $excl);
- }
-
- if (!$exclude) {
- $result[] = $this;
- }
- }
-
- return $result;
- }
-}
-
-class smime_message {
-
-}
-
-class disposition {
- function disposition($name) {
- $this->name = $name;
- $this->properties = array();
- }
-
- function getProperty($par) {
- $value = strtolower($par);
- if (isset($this->properties[$par])) {
- return $this->properties[$par];
- }
- return '';
- }
-}
-
-class language {
- function language($name) {
- $this->name = $name;
- $this->properties = array();
- }
-}
-
-class content_type {
- var $type0 = 'text',
- $type1 = 'plain',
- $properties = '';
-
- function content_type($type) {
- $pos = strpos($type, '/');
- if ($pos > 0) {
- $this->type0 = substr($type, 0, $pos);
- $this->type1 = substr($type, $pos+1);
- } else {
- $this->type0 = $type;
- }
- $this->properties = array();
- }
-}
-?>
+/** @ignore */
+if (! defined('SM_PATH')) define('SM_PATH','../');
+
+/** Load in the entire MIME system */
+require_once(SM_PATH . 'class/mime/Rfc822Header.class.php');
+require_once(SM_PATH . 'class/mime/MessageHeader.class.php');
+require_once(SM_PATH . 'class/mime/AddressStructure.class.php');
+require_once(SM_PATH . 'class/mime/Message.class.php');
+require_once(SM_PATH . 'class/mime/SMimeMessage.class.php');
+require_once(SM_PATH . 'class/mime/Disposition.class.php');
+require_once(SM_PATH . 'class/mime/Language.class.php');
+require_once(SM_PATH . 'class/mime/ContentType.class.php');
projects / squirrelmail.git / blobdiff