egroupware_official/phpgwapi/inc/horde/Horde/SyncML/Sync.php
2008-11-16 15:36:37 +00:00

231 lines
8.6 KiB
PHP

<?php
/**
* $Horde: framework/SyncML/SyncML/Sync.php,v 1.7 2004/09/14 04:27:05 chuck 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>
* @version $Revision$
* @since Horde 3.0
* @package Horde_SyncML
*/
class Horde_SyncML_Sync {
/**
* Target, either contacts, notes, events,
*/
var $_targetLocURI;
var $_sourceLocURI;
/**
* Return if all commands success.
*/
var $globalSuccess;
/**
* This is the content type to use to export data.
*/
var $preferedContentType;
/**
* Do have the sync data loaded from the database already?
*/
var $syncDataLoaded;
function &factory($alert)
{
Horde::logMessage('SyncML: new sync for alerttype ' . $alert, __FILE__, __LINE__, PEAR_LOG_DEBUG);
switch ($alert) {
case ALERT_TWO_WAY:
include_once 'Horde/SyncML/Sync/TwoWaySync.php';
return $sync = &new Horde_SyncML_Sync_TwoWaySync();
case ALERT_SLOW_SYNC:
include_once 'Horde/SyncML/Sync/SlowSync.php';
return $sync = &new Horde_SyncML_Sync_SlowSync();
case ALERT_ONE_WAY_FROM_CLIENT:
include_once 'Horde/SyncML/Sync/OneWayFromClientSync.php';
return $sync = &new Horde_SyncML_Sync_OneWayFromClientSync();
case ALERT_REFRESH_FROM_CLIENT:
include_once 'Horde/SyncML/Sync/RefreshFromClientSync.php';
return $sync = &new Horde_SyncML_Sync_RefreshFromClientSync();
case ALERT_ONE_WAY_FROM_SERVER:
include_once 'Horde/SyncML/Sync/OneWayFromServerSync.php';
return $sync = &new Horde_SyncML_Sync_OneWayFromServerSync();
case ALERT_REFRESH_FROM_SERVER:
include_once 'Horde/SyncML/Sync/RefreshFromServerSync.php';
return $sync = &new Horde_SyncML_Sync_RefreshFromServerSync();
}
require_once 'PEAR.php';
return PEAR::raiseError('Alert ' . $alert . ' not found.');
}
function nextSyncCommand($currentCmdID, &$syncCommand, &$output)
{
$result = $this->runSyncCommand($syncCommand);
return $syncCommand->output($currentCmdID, $output);
}
function startSync($currentCmdID, &$output)
{
return $currentCmdID;
}
function endSync($currentCmdID, &$output)
{
return $currentCmdID;
}
/**
* Here's where the actual processing of a client-sent Sync
* Command takes place. Entries are added, deleted or replaced
* from the server database by using Horde API (Registry) calls.
*/
function runSyncCommand(&$command) {
#Horde::logMessage('SyncML: content type is ' . $command->getContentType() .' moreData '. $command->_moreData, __FILE__, __LINE__, PEAR_LOG_DEBUG);
global $registry;
$history = $GLOBALS['egw']->contenthistory;
$state = &$_SESSION['SyncML.state'];
if(isset($state->_moreData['luid'])) {
if(($command->_luid == $state->_moreData['luid'])) {
Horde::logMessage('SyncML: got next moreData chunk '.$command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
$lastChunks = implode('',$state->_moreData['chunks']);
$command->_content = $lastChunks.$command->_content;
$stringlen1 = strlen($lastChunks);
$stringlen2 = strlen($command->_content);
if(!$command->_moreData && strlen($command->_content) != $state->_moreData['contentSize']) {
$command->_status = RESPONSE_SIZE_MISMATCH;
$state->_moreData = array();
return;
} elseif(!$command->_moreData && strlen($command->_content) == $state->_moreData['contentSize']) {
$state->_moreData = array();
Horde::logMessage('SyncML: chunk ended successful type is ' . $command->getContentType() .' content is '. $command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
} else {
// alert 223 needed too
#$command->_status = ALERT_NO_END_OF_DATA;
$state->_moreData = array();
return;
}
}
// don't add/replace the data currently, they are not yet complete
if($command->_moreData == TRUE) {
$state->_moreData['chunks'][] = $command->_content;
$state->_moreData['luid'] = $command->_luid;
// gets only set with the first chunk of data
if(isset($command->_contentSize))
$state->_moreData['contentSize'] = $command->_contentSize;
$command->_status = RESPONSE_CHUNKED_ITEM_ACCEPTED_AND_BUFFERED;
Horde::logMessage('SyncML: added moreData chunk '.$command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
return;
}
$hordeType = $type = $this->_targetLocURI;
$hordeType = $state->getHordeType($hordeType);
if(!$contentType = $command->getContentType()) {
$contentType = $state->getPreferedContentType($type);
}
if (($contentType == 'text/x-vcalendar' || $contentType == 'text/calendar')
&& strpos($command->getContent(), 'BEGIN:VTODO') !== false)
{
$hordeType = 'tasks';
}
$syncElementItems = $command->getSyncElementItems();
foreach($syncElementItems as $syncItem) {
$guid = false;
if (is_a($command, 'Horde_SyncML_Command_Sync_Add')) {
$guid = $registry->call($hordeType . '/import',
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
if (!is_a($guid, 'PEAR_Error') && $guid != false) {
$ts = $state->getSyncTSforAction($guid, 'add');
$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
$state->log("Client-Add");
Horde::logMessage('SyncML: added client entry as ' . $guid, __FILE__, __LINE__, PEAR_LOG_DEBUG);
} else {
$state->log("Client-AddFailure");
Horde::logMessage('SyncML: Error in adding client entry:' . $guid->message, __FILE__, __LINE__, PEAR_LOG_ERR);
}
} elseif (is_a($command, 'Horde_SyncML_Command_Sync_Delete')) {
// We can't remove the mapping entry as we need to keep
// the timestamp information.
$guid = $state->removeUID($type, $syncItem->getLocURI());
#$guid = $state->getGlobalUID($type, $syncItem->getLocURI());
Horde::logMessage('SyncML: about to delete entry ' . $type .' / '. $guid . ' due to client request '.$syncItem->getLocURI(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
if (!is_a($guid, 'PEAR_Error') && $guid != false) {
$registry->call($hordeType . '/delete', array($guid));
#$ts = $state->getSyncTSforAction($guid, 'delete');
#$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
$state->log("Client-Delete");
Horde::logMessage('SyncML: deleted entry ' . $guid . ' due to client request', __FILE__, __LINE__, PEAR_LOG_DEBUG);
} else {
$state->log("Client-DeleteFailure");
Horde::logMessage('SyncML: Failure deleting client entry, maybe gone already on server. msg:'. $guid->message, __FILE__, __LINE__, PEAR_LOG_ERR);
}
} elseif (is_a($command, 'Horde_SyncML_Command_Sync_Replace')) {
$guid = $state->getGlobalUID($type, $syncItem->getLocURI());
$ok = false;
if ($guid) {
Horde::logMessage('SyncML: locuri'. $syncItem->getLocURI() . ' guid ' . $guid , __FILE__, __LINE__, PEAR_LOG_ERR);
// Entry exists: replace current one.
$ok = $registry->call($hordeType . '/replace',
array($guid, $state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
if (!is_a($ok, 'PEAR_Error')) {
$ts = $state->getSyncTSforAction($guid, 'modify');
$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
Horde::logMessage('SyncML: replaced entry due to client request guid: ' .$guid. ' ts: ' .$ts, __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->log("Client-Replace");
$ok = true;
} else {
// Entry may have been deleted; try adding it.
$ok = false;
}
}
if (!$ok) {
// Entry does not exist in map or database: add a new one.
Horde::logMessage('SyncML: try to add contentype ' . $contentType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
$guid = $registry->call($hordeType . '/import',
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
if (!is_a($guid, 'PEAR_Error')) {
$ts = $state->getSyncTSforAction($guid, 'add');
$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
$state->log("Client-AddReplace");
Horde::logMessage('SyncML: r/ added client entry as ' . $guid, __FILE__, __LINE__, PEAR_LOG_DEBUG);
} else {
Horde::logMessage('SyncML: Error in replacing/add client entry:' . $guid->message, __FILE__, __LINE__, PEAR_LOG_ERR);
$state->log("Client-AddFailure");
}
}
}
}
return $guid;
}
}