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egroupware_official/phpgwapi/inc/horde/Horde/SyncML.php

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<?php
include_once 'Horde/SyncML/Command.php';
include_once 'Horde/SyncML/Command/Status.php';
include_once 'Horde/SyncML/Command/Alert.php';
include_once 'Horde/SyncML/Command/Final.php';
include_once 'Horde/SyncML/Command/Sync.php';
include_once 'Horde/SyncML/Sync.php';
/**
* The Horde_SyncML_SyncHdr and Horde_SyncML_SyncBody classes provides
* a SyncHdr and SyncBody in SyncML Representation Protocol, version
* 1.1 5.2.2 and 5.2.3. Most of the work is passed on to
* Horde_SyncML_Command_Alert and Horde_SyncML_Command_Sync.
*
* $Horde: framework/SyncML/SyncML.php,v 1.21 2004/07/21 19:26:36 karsten Exp $
*
* Copyright 2003-2004 Anthony Mills <amills@pyramid6.com>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Anthony Mills <amills@pyramid6.com>
* @author Karsten Fourmont <fourmont@gmx.de>
*
* @version $Revision$
* @since Horde 3.0
* @package Horde_SyncML
*/
class Horde_SyncML_ContentHandler {
/**
* Output ContentHandler used to output XML events.
* @var object $_output
*/
var $_output;
/**
* @var integer $_xmlStack
*/
var $_xmlStack = 1;
/**
* @var string $_chars
*/
var $_chars;
function setOutput(&$output)
{
$this->_output = &$output;
}
function startElement($uri, $element, $attrs)
{
$this->_xmlStack++;
}
function endElement($uri, $element)
{
if (isset($this->_chars)) {
unset($this->_chars);
}
$this->_xmlStack--;
}
function characters($str)
{
if (isset($this->_chars)) {
$this->_chars = $this->_chars . $str;
} else {
$this->_chars = $str;
}
}
}
/**
* Defined in SyncML Representation Protocol, version 1.1 5.2.2
*
* @package Horde_SyncML
*/
class Horde_SyncML_SyncMLHdr extends Horde_SyncML_ContentHandler {
/**
* Used to specify if in Source tag. Defined in SyncML
* Representation Protocol, version 1.1 5.1.20.
*
* @var boolean $_isSource
*/
var $_isSource = false;
/**
* Defined in SyncML Representation Protocol, version 1.1
* 5.1.9. User name.
*
* @var string $_locName
*/
var $_locName;
/**
* Defined in SyncML Representation Protocol, version 1.1 5.1.18
*
* @var string $_sessionID
*/
var $_sessionID;
/**
* Defined in SyncML Representation Protocol, version 1.1. Must
* be 1.0 (0) or 1.1 (1).
*
* @var string $_version
*/
var $_version;
/**
* Defined in SyncML Representation Protocol, version 1.1 5.1.12
*
* @var string $_msgID
*/
var $_msgID;
/**
* Defined in SyncML Representation Protocol, version 1.1 5.1.10
*
* @var string $_targetURI
*/
var $_targetURI;
/**
* Defined in SyncML Representation Protocol, version 1.1 5.1.10,
* 5.1.20
*
* @var string $_sourceURI
*/
var $_sourceURI;
var $_isCred;
var $_credData;
var $_credFormat;
var $_credType;
function getStateFromSession($sourceURI, $locName, $sessionID)
{
// Remove any existing session since we'll be contructing a
// custom session id.
session_destroy();
// we need to (re-)load our custom memcache session handler, as session_destroy unloads it somehow
if (extension_loaded('memcache') && ini_get('session.save_handler') == 'user')
{
session_set_save_handler("egw_memcache_open", "egw_memcache_close", "egw_memcache_read", "egw_memcache_write", "egw_memcache_destroy", "egw_memcache_gc");
}
// Reload the Horde SessionHandler if necessary.
Horde::setupSessionHandler();
// It would seem multisync does not send the user name once it
// has been authorized. Make sure we have a valid session id.
if(!empty($_GET['syncml_sessionid'])) {
session_id($_GET['syncml_sessionid']);
Horde::logMessage('SyncML['. session_id() .']: reusing existing session', __FILE__, __LINE__, PEAR_LOG_DEBUG);
} else {
#session_id('syncml' . preg_replace('/[^a-zA-Z0-9]/', '', $sourceURI . $sessionID));
session_id('syncml-' . md5(uniqid(rand(), true)));
Horde::logMessage('SyncML['. session_id() .']: starting new session for '.$this->_locName, __FILE__, __LINE__, PEAR_LOG_INFO);
}
@session_start();
if (!isset($_SESSION['SyncML.state'])) {
// Create a new state if one does not already exist.
Horde::logMessage('SyncML['. session_id() .']: create new session state variable', __FILE__, __LINE__, PEAR_LOG_DEBUG);
# LK $_SESSION['SyncML.state'] = &new Horde_SyncML_State($sourceURI, $locName, $sessionID);
$_SESSION['SyncML.state'] = &new EGW_SyncML_State($sourceURI, $locName, $sessionID);
}
#if($_SESSION['SyncML.state']->_isAuthorized)
# Horde::logMessage('SyncML['. session_id() .']: is session authorized', __FILE__, __LINE__, PEAR_LOG_DEBUG);
return $_SESSION['SyncML.state'];
}
function startElement($uri, $element, $attrs)
{
parent::startElement($uri, $element, $attrs);
switch ($this->_xmlStack) {
case 3:
if ($element == 'Source') {
// <SyncML><SyncHdr><Source>
$this->_isSource = true;
} elseif ($element == 'Cred') {
$this->_isCred = true;
}
break;
}
}
function endElement($uri, $element)
{
switch ($this->_xmlStack) {
case 2:
/*
$str = 'localname=' . $this->_locName;
$str .= ' version=' . $this->_version;
$str .= ' msgid=' . $this->_msgID;
$str .= ' source=' . $this->_sourceURI;
$str .= ' target=' . $this->_targetURI;
$str .= ' sessionID=' . $this->_sessionID;
*/
// </SyncHdr></SyncML>
// Find the state.
#Horde::logMessage('SymcML: SyncHdr done. Try to load state from session.', __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state = $this->getStateFromSession($this->_sourceURI, $this->_locName, $this->_sessionID);
Horde::logMessage('SyncML['. session_id() .']: package '.$this->_msgID.' +++++++++++++++++++++ started', __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->setVersion($this->_version);
$state->setMsgID($this->_msgID);
$state->setTargetURI($this->_targetURI);
$state->setWBXML(is_a($this->_output, 'XML_WBXML_Encoder'));
if(isset($this->_credData) && isset($this->_locName) && !$state->isAuthorized())
{
$state->setPassword($this->_credData);
$state->setLocName($this->_locName);
}
#$str = 'authorized=' . $state->isAuthorized();
#$str .= ' version=' . $state->getVersion();
#$str .= ' msgid=' . $state->getMsgID();
#$str .= ' source=' . $state->getSourceURI();
#$str .= ' target=' . $state->getTargetURI();
#$str .= ' locName=' . $state->getLocName();
$_SESSION['SyncML.state'] = $state;
#Horde::logMessage('SymcML: session id 2 =' . session_id(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
// Got the state; now write our SyncHdr header.
$this->outputSyncHdr($this->_output);
break;
case 3:
if ($element == 'VerProto') {
// </VerProto></SyncHdr></SyncML>
if (trim($this->_chars) == 'SyncML/1.1') {
$this->_version = 1;
} else {
$this->_version = 0;
}
} elseif ($element == 'SessionID') {
// </SessionID></SyncHdr></SyncML>
$this->_sessionID = trim($this->_chars);
} elseif ($element == 'MsgID') {
// </MsgID></SyncHdr></SyncML>
$this->_msgID = intval(trim($this->_chars));
} elseif ($element == 'Source') {
// </Source></SyncHdr></SyncML>
$this->_isSource = false;
} elseif ($element == 'Cred') {
// </Cred></SyncHdr></SyncML>
$this->_isCred = false;
//multisync does not specify the cred format
//if ($this->_credFormat == 'b64') {
$this->_credData = base64_decode($this->_credData);
//}
$tmp = split(':', $this->_credData, 2);
// set only if not set by LocName already
if(!isset($this->_locName))
{
$this->_locName = $tmp[0];
}
$this->_credData = $tmp[1];
#Horde::logMessage('SyncML['. session_id() .']: $this->_locName: ' . $this->_locName, __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
break;
case 4:
if ($element == 'LocURI') {
if ($this->_isSource) {
// </LocURI></Source></SyncHdr></SyncML>
$this->_sourceURI = trim($this->_chars);
} else {
// </LocURI></Target></SyncHdr></SyncML>
$this->_targetURI = trim($this->_chars);
}
} elseif ($element == 'LocName') {
if ($this->_isSource) {
// </LocName></Source></SyncHdr></SyncML>
$this->_locName = trim($this->_chars);
}
} elseif ($element == 'Data') {
// </Data></Cred></SyncHdr></SyncML>
if ($this->_isCred) {
$this->_credData = trim($this->_chars);
}
}
break;
case 5:
if ($this->_isCred) {
if ($element == 'Format') {
// </Format></Meta></Cred></SyncHdr></SyncML>
$this->_credFormat = trim($this->_chars);
} elseif ($element == 'Type') {
// </Type></Meta></Cred></SyncHdr></SyncML>
$this->_credType = trim($this->_chars);
}
}
break;
}
parent::endElement($uri, $element);
}
function outputSyncHdr(&$output)
{
$attrs = array();
$state = $_SESSION['SyncML.state'];
$uri = $state->getURI();
$uriMeta = $state->getURIMeta();
$output->startElement($uri, 'SyncHdr', $attrs);
$output->startElement($uri, 'VerDTD', $attrs);
$chars = ($this->_version == 1) ? '1.1' : '1.0';
$output->characters($chars);
$output->endElement($uri, 'VerDTD');
$output->startElement($uri, 'VerProto', $attrs);
$chars = ($this->_version == 1) ? 'SyncML/1.1' : 'SyncML/1.0';
$output->characters($chars);
$output->endElement($uri, 'VerProto');
$output->startElement($uri, 'SessionID', $attrs);
$output->characters($this->_sessionID);
$output->endElement($uri, 'SessionID');
$output->startElement($uri, 'MsgID', $attrs);
$output->characters($this->_msgID);
$output->endElement($uri, 'MsgID');
$output->startElement($uri, 'Target', $attrs);
$output->startElement($uri, 'LocURI', $attrs);
$output->characters($this->_sourceURI);
$output->endElement($uri, 'LocURI');
$output->endElement($uri, 'Target');
$output->startElement($uri, 'Source', $attrs);
$output->startElement($uri, 'LocURI', $attrs);
$output->characters($this->_targetURI);
$output->endElement($uri, 'LocURI');
$output->endElement($uri, 'Source');
if(session_id() != '' && !strpos($this->_targetURI,'syncml_sessionid')) {
$output->startElement($uri, 'RespURI', $attrs);
// some clients don't send the whole URL as targetURI
if (strpos($this->_targetURI,$_SERVER['PHP_SELF']) === false) {
$output->characters($this->_targetURI . $_SERVER['PHP_SELF'] . '?syncml_sessionid=' . session_id());
} else {
$output->characters($this->_targetURI . '?syncml_sessionid=' . session_id());
}
$output->endElement($uri, 'RespURI');
}
/*
$output->startElement($uri, 'Meta', $attrs);
// Dummy Max MsqSize, this is just put in to make the packet
// work, it is not a real value.
$output->startElement($uriMeta, 'MaxMsgSize', $attrs);
$chars = '50000';
$output->characters($chars);
$output->endElement($uriMeta, 'MaxMsgSize');
// Dummy MaxObjSize, this is just put in to make the packet
// work, it is not a real value.
$output->startElement($uriMeta, 'MaxObjSize', $attrs);
$chars = '4000000';
$output->characters($chars);
$output->endElement($uriMeta, 'MaxObjSize');
$output->endElement($uri, 'Meta');
*/
$output->endElement($uri, 'SyncHdr');
}
function getSourceURI()
{
return $this->_sourceURI;
}
function getLocName()
{
return $this->_locName;
}
function getSessionID()
{
return $this->_sessionID;
}
function getVersion()
{
return $this->_version;
}
function getMsgID()
{
return $this->_msgID;
}
function getTargetURI()
{
return $this->_targetURI;
}
function opaque($o)
{
}
}
/**
* Defined in SyncML Representation Protocol, version 1.1 5.2.3
*
* @package Horde_SyncML
*/
class Horde_SyncML_SyncMLBody extends Horde_SyncML_ContentHandler {
var $_currentCmdID = 1;
var $_currentCommand;
var $_actionCommands = false;
var $_clientSentFinal = false;
function startElement($uri, $element, $attrs)
{
parent::startElement($uri, $element, $attrs);
switch ($this->_xmlStack) {
case 2:
$state = & $_SESSION['SyncML.state'];
$this->_actionCommands = false; // so far, we have not seen commands that require action from our side
$state->_sendFinal = false;
// <SyncML><SyncBody>
$this->_output->startElement($uri, $element, $attrs);
if($state->getLocName())
{
// Right our status about the header.
$status = &new Horde_SyncML_Command_Status(($state->isAuthorized()) ?
RESPONSE_AUTHENTICATION_ACCEPTED : RESPONSE_INVALID_CREDENTIALS, 'SyncHdr');
}
else
{
// Request credentials if not sent so far
$status = &new Horde_SyncML_Command_Status(RESPONSE_MISSING_CREDENTIALS, 'SyncHdr');
}
$status->setSourceRef($state->getSourceURI());
$status->setTargetRef($state->getTargetURI());
$status->setCmdRef(0);
/*$str = 'authorized=' . $state->isAuthorized();
$str .= ' version=' . $state->getVersion();
$str .= ' msgid=' . $state->getMsgID();
$str .= ' source=' . $state->getSourceURI();
$str .= ' target=' . $state->getTargetURI();
*/
$this->_currentCmdID = $status->output($this->_currentCmdID, $this->_output);
break;
case 3:
$state = & $_SESSION['SyncML.state'];
// <SyncML><SyncBody><[Command]>
#Horde::logMessage('SyncML['. session_id() ."]: found command $element ", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$this->_currentCommand = Horde_SyncML_Command::factory($element);
$this->_currentCommand->startElement($uri, $element, $attrs);
if ($element != 'Status' && $element != 'Map' && $element != 'Final') {
// We've got to do something! This can't be the last
// packet.
$this->_actionCommands = true;
Horde::logMessage('SyncML['. session_id() ."]: found action commands <$element> " . $this->_actionCommands, __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
switch($element)
{
case 'Sync':
$state->setSyncStatus(CLIENT_SYNC_STARTED);
Horde::logMessage('SyncML['. session_id() .']: syncStatus(client sync started) ' . $state->getSyncStatus(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
break;
}
break;
default:
// <SyncML><SyncBody><Command><...>
$this->_currentCommand->startElement($uri, $element, $attrs);
break;
}
}
function endElement($uri, $element) {
switch ($this->_xmlStack) {
case 2:
// </SyncBody></SyncML>
$state = & $_SESSION['SyncML.state'];
Horde::logMessage('SyncML['. session_id() .']: package ----------------------- done', __FILE__, __LINE__, PEAR_LOG_DEBUG);
if($state->getSyncStatus() == CLIENT_SYNC_FINNISHED && $state->getAlert222Received() == true) {
$state->setSyncStatus(CLIENT_SYNC_ACKNOWLEDGED);
$state->setAlert222Received(false);
}
// send the sync reply
// we do still have some data to send OR
// we should reply to the Sync command
if($state->getSyncStatus() >= CLIENT_SYNC_ACKNOWLEDGED && $state->getSyncStatus() < SERVER_SYNC_FINNISHED) {
$sync = &new Horde_SyncML_Command_Sync();
$this->_currentCmdID = $sync->syncToClient($this->_currentCmdID, $this->_output);
}
// send the Final tag if possible
#if($state->getSyncStatus() != SERVER_SYNC_DATA_PENDING && $state->getSyncStatus() != CLIENT_SYNC_STARTED) {
if($state->getSyncStatus() >= SERVER_SYNC_FINNISHED || $state->_sendFinal) {
$final = &new Horde_SyncML_Command_Final();
$this->_currentCmdID = $final->output($this->_currentCmdID, $this->_output);
}
$this->_output->endElement($uri, $element);
Horde::logMessage('SyncML['. session_id() .']: syncStatus ' . $state->getSyncStatus() .'actionCommands: '.$this->_actionCommands, __FILE__, __LINE__, PEAR_LOG_DEBUG);
if (!$this->_actionCommands && $state->getSyncStatus() == SERVER_SYNC_FINNISHED) {
// this packet did not contain any real actions, just status and map.
// This means, we're through! The session can be closed and
// the Anchors saved for the next Sync
$state = & $_SESSION['SyncML.state'];
Horde::logMessage('SyncML['. session_id() .']: sync' . session_id() . ' completed successfully!', __FILE__, __LINE__, PEAR_LOG_INFO);
$state->writeSyncSummary();
$log = $state->getLog();
$s="";
foreach($log as $k => $v) {
$s .= " $k=$v";
}
Horde::logMessage('SyncML['. session_id() .']: summary:' . $s, __FILE__, __LINE__, PEAR_LOG_INFO);
# Horde::logMessage('SyncML['. session_id() .']: destroying sync session '.session_id(), __FILE__, __LINE__, PEAR_LOG_INFO);
# // session can be closed here!
# session_unset();
# session_destroy();
}
if (!$this->_actionCommands && $state->getSyncStatus() == SERVER_SYNC_ACKNOWLEDGED) {
// this packet did not contain any real actions, just status and map.
// This means, we're through! The session can be closed and
// the Anchors saved for the next Sync
$state = & $_SESSION['SyncML.state'];
Horde::logMessage('SyncML['. session_id() .']: sync' . session_id() . ' completed successfully!', __FILE__, __LINE__, PEAR_LOG_INFO);
$state->writeSyncSummary();
$log = $state->getLog();
$s="";
foreach($log as $k => $v) {
$s .= " $k=$v";
}
Horde::logMessage('SyncML['. session_id() .']: summary:' . $s, __FILE__, __LINE__, PEAR_LOG_INFO);
Horde::logMessage('SyncML['. session_id() .']: destroying sync session '.session_id(), __FILE__, __LINE__, PEAR_LOG_INFO);
// session can be closed here!
session_unset();
session_destroy();
}
if($state->getSyncStatus() == CLIENT_SYNC_FINNISHED) {
$state->setSyncStatus(CLIENT_SYNC_ACKNOWLEDGED);
Horde::logMessage('SyncML['. session_id() .']: syncStatus(client sync acknowledged) '.$state->getSyncStatus(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
break;
case 3:
// </[Command]></SyncBody></SyncML>
$state = & $_SESSION['SyncML.state'];
// this should be moved to case 2:
if($element == 'Final')
{
// make sure that we request devinfo, if we not have them already
/* if(!$state->getClientDeviceInfo())
{
$attrs = array();
$this->_output->startElement($state->getURI(), 'Get', $attrs);
$this->_output->startElement($state->getURI(), 'CmdID', $attrs);
$this->_output->characters($this->_currentCmdID);
$this->_currentCmdID++;
$this->_output->endElement($state->getURI(), 'CmdID');
$this->_output->startElement($state->getURI(), 'Meta', $attrs);
$this->_output->startElement($state->getURIMeta(), 'Type', $attrs);
if(is_a($this->_output, 'XML_WBXML_Encoder'))
$this->_output->characters('application/vnd.syncml-devinf+wbxml');
else
$this->_output->characters('application/vnd.syncml-devinf+xml');
$this->_output->endElement($state->getURIMeta(), 'Type');
$this->_output->endElement($state->getURI(), 'Meta');
$this->_output->startElement($state->getURI(), 'Item', $attrs);
$this->_output->startElement($state->getURI(), 'Target', $attrs);
$this->_output->startElement($state->getURI(), 'LocURI', $attrs);
$this->_output->characters(($state->getVersion() == 0) ? './devinf10' : './devinf11');
$this->_output->endElement($state->getURI(), 'LocURI');
$this->_output->endElement($state->getURI(), 'Target');
$this->_output->endElement($state->getURI(), 'Item');
$this->_output->endElement($state->getURI(), 'Get');
} */
}
$this->_currentCommand->endElement($uri, $element);
switch($element) {
case 'Final':
if($state->getSyncStatus() == CLIENT_SYNC_STARTED) {
$state->setSyncStatus(CLIENT_SYNC_FINNISHED);
Horde::logMessage('SyncML['. session_id() .']: syncStatus(client sync finnished) ' . $state->getSyncStatus(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
if($state->getSyncStatus() == SERVER_SYNC_FINNISHED) {
$state->setSyncStatus(SERVER_SYNC_ACKNOWLEDGED);
Horde::logMessage('SyncML['. session_id() .']: syncStatus(server sync acknowledged) ' . $state->getSyncStatus(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
$this->_clientSentFinal = true;
#Horde::logMessage('SyncML['. session_id() .']: Sync _syncTag = '. $state->getSyncStatus(), __FILE__, __LINE__, PEAR_LOG_INFO);
break;
default:
$this->_currentCmdID = $this->_currentCommand->output($this->_currentCmdID, $this->_output);
break;
}
unset($this->_currentCommand);
break;
default:
// </...></[Command]></SyncBody></SyncML>
$this->_currentCommand->endElement($uri, $element);
break;
}
parent::endElement($uri, $element);
}
function characters($str) {
if (isset($this->_currentCommand)) {
$this->_currentCommand->characters($str);
}
}
}
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