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247 lines
10 KiB
PHP
247 lines
10 KiB
PHP
<?php
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include_once 'Horde/SyncML/Sync.php';
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include_once 'Horde/SyncML/Command/Sync/ContentSyncElement.php';
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/**
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* $Horde: framework/SyncML/SyncML/Sync/TwoWaySync.php,v 1.12 2004/07/26 09:24:38 jan Exp $
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*
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* Copyright 2003-2004 Anthony Mills <amills@pyramid6.com>
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*
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* See the enclosed file COPYING for license information (LGPL). If you
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* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
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*
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* @author Anthony Mills <amills@pyramid6.com>
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* @author Karsten Fourmont <fourmont@gmx.de>
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*
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* @version $Revision$
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* @since Horde 3.0
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* @package Horde_SyncML
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*/
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class Horde_SyncML_Sync_TwoWaySync extends Horde_SyncML_Sync {
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function endSync($currentCmdID, &$output) {
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global $registry;
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$state = &$_SESSION['SyncML.state'];
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$syncType = $this->_targetLocURI;
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$hordeType = str_replace('./','',$syncType);
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$refts = $state->getServerAnchorLast($syncType);
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$currentCmdID = $this->handleSync($currentCmdID,
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$hordeType,
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$syncType,
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$output,
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$refts);
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return $currentCmdID;
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}
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function handleSync($currentCmdID, $hordeType, $syncType,&$output, $refts) {
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global $registry;
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// array of Items which got modified, but got never send to the client before
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$missedAdds = array();
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$history = $GLOBALS['phpgw']->contenthistory;
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$state = &$_SESSION['SyncML.state'];
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$counter = 0;
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$changes = &$state->getChangedItems($hordeType);
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$deletes = &$state->getDeletedItems($hordeType);
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$adds = &$state->getAddedItems($hordeType);
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Horde::logMessage("SyncML: ".count($changes).' changed items found for '.$hordeType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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Horde::logMessage("SyncML: ".count($deletes).' deleted items found for '.$hordeType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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Horde::logMessage("SyncML: ".count($adds). ' added items found for '.$hordeType , __FILE__, __LINE__, PEAR_LOG_DEBUG);
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// handle changes
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if(is_array($changes)) {
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while($guid = array_shift($changes)) {
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$guid_ts = $history->getTSforAction($guid, 'modify');
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$sync_ts = $state->getChangeTS($syncType, $guid);
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Horde::logMessage("SyncML: timestamp modify guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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if ($sync_ts && $sync_ts == $guid_ts) {
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// Change was done by us upon request of client.
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// Don't mirror that back to the client.
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Horde::logMessage("SyncML: change: $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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continue;
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}
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Horde::logMessage("SyncML: change $guid hs_ts:$guid_ts dt_ts:" . $state->getChangeTS($syncType, $guid), __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$locid = $state->getLocID($syncType, $guid);
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if (!$locid) {
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// somehow we missed to add, lets store the uid, so we add this entry later
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$missedAdds[] = $guid;
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Horde::logMessage("SyncML: unable to create change for $guid: locid not found in map", __FILE__, __LINE__, PEAR_LOG_WARNING);
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continue;
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}
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// Create a replace request for client.
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$contentType = $state->getPreferedContentTypeClient($this->_sourceLocURI);
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if(is_a($contentType, 'PEAR_Error')) {
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// Client did not sent devinfo
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$contentType = array('ContentType' => $state->getPreferedContentType($this->_targetLocURI));
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}
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$c = $registry->call($hordeType. '/export',
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array('guid' => $guid, 'contentType' => $contentType));
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if (!is_a($c, 'PEAR_Error')) {
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// Item in history but not in database. Strange, but can happen.
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Horde::logMessage("SyncML: change: $guid export content: $c", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
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# LK $cmd->setContent($state->convertServer2Client($c, $contentType));
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$cmd->setContent($c);
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$cmd->setSourceURI($guid);
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$cmd->setTargetURI($locid);
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$cmd->setContentType($contentType['ContentType']);
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if($hordeType == 'sifcalendar' || $hordeType == 'sifcontacts' || $hordeType == 'siftasks') {
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$cmd->setContentFormat('b64');
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}
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$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Replace');
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$state->log('Server-Replace');
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// return if we have to much data
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if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalendar' && $hordeType != 'sifcontacts' && $hordeType != 'siftasks') {
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$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
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return $currentCmdID;
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}
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}
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}
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}
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Horde::logMessage("SyncML: handling sync (changes done) ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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// handle deletes
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if(is_array($deletes)) {
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while($guid = array_shift($deletes)) {
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$guid_ts = $history->getTSforAction($guid, 'delete');
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$sync_ts = $state->getChangeTS($syncType, $guid);
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Horde::logMessage("SyncML: timestamp delete guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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if ($sync_ts && $sync_ts == $guid_ts) {
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// Change was done by us upon request of client.
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// Don't mirror that back to the client.
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Horde::logMessage("SyncML: delete $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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continue;
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}
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$locid = $state->getLocID($syncType, $guid);
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if (!$locid) {
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Horde::logMessage("SyncML: unable to create delete for $guid: locid not found in map", __FILE__, __LINE__, PEAR_LOG_WARNING);
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continue;
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}
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Horde::logMessage("SyncML: delete: $guid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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// Create a Delete request for client.
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$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
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$cmd->setTargetURI($locid);
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$cmd->setSourceURI($guid);
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$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Delete');
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$state->log('Server-Delete');
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$state->removeUID($syncType, $locid);
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// return if we have to much data
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if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalender' && $hordeType != 'sifcontacts' &&$hordeType != 'siftasks') {
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$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
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return $currentCmdID;
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}
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}
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}
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#Horde::logMessage("SyncML: handling sync ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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// handle missing adds.
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if(count($missedAdds) > 0) {
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Horde::logMessage("SyncML: add missed changes as adds ".count($adds).' / '.$missedAdds[0], __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->setAddedItems($hordeType, array_merge($adds, $missedAdds));
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$adds = &$state->getAddedItems($hordeType);
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Horde::logMessage("SyncML: merged adds counter ".count($adds).' / '.$adds[0], __FILE__, __LINE__, PEAR_LOG_DEBUG);
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}
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if(is_array($adds)) {
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while($guid = array_shift($adds)) {
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$guid_ts = $history->getTSforAction($guid, 'add');
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$sync_ts = $state->getChangeTS($syncType, $guid);
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Horde::logMessage("SyncML: timestamp add $guid guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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if ($sync_ts && $sync_ts == $guid_ts) {
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// Change was done by us upon request of client.
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// Don't mirror that back to the client.
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Horde::logMessage("SyncML: add: $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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continue;
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}
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$locid = $state->getLocID($syncType, $guid);
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if ($locid && $refts == 0) {
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// For slow sync (ts=0): do not add data for which we
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// have a locid again. This is a heuristic to avoid
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// duplication of entries.
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Horde::logMessage("SyncML: skipping add of guid $guid as there already is a locid $locid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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continue;
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}
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Horde::logMessage("SyncML: add: $guid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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// Create an Add request for client.
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$contentType = $state->getPreferedContentTypeClient($this->_sourceLocURI);
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if(is_a($contentType, 'PEAR_Error')) {
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// Client did not sent devinfo
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$contentType = array('ContentType' => $state->getPreferedContentType($this->_targetLocURI));
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}
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$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
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$c = $registry->call($hordeType . '/export',
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array(
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'guid' => $guid ,
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'contentType' => $contentType ,
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)
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);
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if (!is_a($c, 'PEAR_Error')) {
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// Item in history but not in database. Strange, but can happen.
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$cmd->setContent($c);
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if($hordeType == 'sifcalendar' || $hordeType == 'sifcontacts' || $hordeType == 'siftasks') {
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$cmd->setContentFormat('b64');
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}
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$cmd->setContentType($contentType['ContentType']);
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$cmd->setSourceURI($guid);
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$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Add');
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$state->log('Server-Add');
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// return if we have to much data
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if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalendar' && $hordeType != 'sifcontacts' &&$hordeType != 'siftasks') {
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$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
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return $currentCmdID;
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}
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}
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}
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}
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#Horde::logMessage("SyncML: handling sync ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->clearSync($syncType);
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return $currentCmdID;
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}
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function loadData() {
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global $registry;
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$state = &$_SESSION['SyncML.state'];
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$syncType = $this->_targetLocURI;
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$hordeType = str_replace('./','',$syncType);
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$refts = $state->getServerAnchorLast($syncType);
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Horde::logMessage("SyncML: reading changed items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->setChangedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'modify', 'timestamp' => $refts)));
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Horde::logMessage("SyncML: reading deleted items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->setDeletedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'delete', 'timestamp' => $refts)));
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Horde::logMessage("SyncML: reading added items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->setAddedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'add', 'timestamp' => $refts)));
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$this->_syncDataLoaded = TRUE;
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return count($state->getChangedItems($hordeType)) +
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count($state->getDeletedItems($hordeType)) +
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count($state->getAddedItems($hordeType));
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}
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}
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