mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-10-10 04:02:56 +02:00
319 lines
11 KiB
PHP
319 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* eGroupWare - SyncML based on Horde 3
|
|
*
|
|
* Slow sync may just work; I think most of the work is going to be
|
|
* done by the API.
|
|
*
|
|
*
|
|
* Using the PEAR Log class (which need to be installed!)
|
|
*
|
|
* @link http://www.egroupware.org
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package api
|
|
* @subpackage horde
|
|
* @author Anthony Mills <amills@pyramid6.com>
|
|
* @author Joerg Lehrke <jlehrke@noc.de>
|
|
* @copyright (c) The Horde Project (http://www.horde.org/)
|
|
* @version $Id$
|
|
*/
|
|
include_once 'Horde/SyncML/Sync/TwoWaySync.php';
|
|
|
|
class Horde_SyncML_Sync_SlowSync extends Horde_SyncML_Sync_TwoWaySync {
|
|
|
|
function handleSync($currentCmdID, $hordeType, $syncType, &$output, $refts) {
|
|
global $registry;
|
|
|
|
$history = $GLOBALS['egw']->contenthistory;
|
|
$state = &$_SESSION['SyncML.state'];
|
|
$maxMsgSize = $state->getMaxMsgSizeClient();
|
|
$deviceInfo = $state->getClientDeviceInfo();
|
|
|
|
if (isset($deviceInfo['maxEntries'])) {
|
|
$maxEntries = $deviceInfo['maxEntries'];
|
|
if (!$maxMsgSize && !$maxEntries) {
|
|
// fallback to default
|
|
$maxEntries = MAX_ENTRIES;
|
|
}
|
|
} else {
|
|
$maxEntries = MAX_ENTRIES;
|
|
}
|
|
|
|
$serverAnchorNext = $state->getServerAnchorNext($syncType);
|
|
|
|
// now we remove all UID from contentmap that have not been verified in this slowsync
|
|
$state->removeOldUID($syncType, $serverAnchorNext);
|
|
|
|
if (isset($state->curSyncItem)) {
|
|
// Finish the pending sync item
|
|
$cmd = &$state->curSyncItem;
|
|
unset($state->curSyncItem);
|
|
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Sync');
|
|
|
|
// moreData split; save in session state and end current message
|
|
if ($cmd->hasMoreData()) {
|
|
$state->curSyncItem = &$cmd;
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
$state->incNumberOfElements();
|
|
}
|
|
|
|
$adds =& $state->getAddedItems($syncType);
|
|
$conflicts =& $state->getConflictItems($syncType);
|
|
Horde::logMessage('SyncML: ' .count($adds). ' added items found for ' .$syncType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
Horde::logMessage('SyncML: ' . count($conflicts) . ' items to delete on client found for ' . $syncType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
|
|
if (is_array($adds)) {
|
|
while ($guid = array_shift($adds)) {
|
|
$currentSize = $output->getOutputSize();
|
|
// return if we have to much data
|
|
if (($maxEntries && ($state->getNumberOfElements() >= $maxEntries)
|
|
&& isset($contentType['mayFragment'])
|
|
&& $contentType['mayFragment']) ||
|
|
($maxMsgSize && (($currentSize + MIN_MSG_LEFT * 2) > $maxMsgSize))) {
|
|
// put the item back in the queue
|
|
$adds[] = $guid;
|
|
$state->maxNumberOfElements();
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
|
|
if ($locID = $state->getLocID($syncType, $guid)) {
|
|
Horde::logMessage("SyncML: slowsync add to client: $guid ignored, already at client($locID)",
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
continue;
|
|
}
|
|
|
|
$guid_ts = $state->getSyncTSforAction($guid, 'add');
|
|
if ($guid_ts > $serverAnchorNext) {
|
|
// Change was made after we started this sync.
|
|
// Don't sent this now to the client.
|
|
Horde::logMessage("SyncML: slowsync add $guid is in our future",
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
continue;
|
|
}
|
|
|
|
$contentType = $state->getPreferedContentTypeClient($this->_sourceLocURI, $this->_targetLocURI);
|
|
$c = $registry->call($hordeType . '/export', array('guid' => $guid, 'contentType' => $contentType));
|
|
if (is_a($c, 'PEAR_Error')) {
|
|
Horde::logMessage("SyncML: slowsync failed to export guid $guid:\n" . print_r($c, true),
|
|
__FILE__, __LINE__, PEAR_LOG_WARNING);
|
|
continue;
|
|
}
|
|
|
|
$size = strlen($c);
|
|
// return if we have to much data
|
|
if ($maxMsgSize && !$deviceInfo['supportLargeObjs']) {
|
|
if (($size + MIN_MSG_LEFT * 2) > $maxMsgSize) {
|
|
Horde::logMessage("SyncML: slowsync failed to export guid $guid due to size $size",
|
|
__FILE__, __LINE__, PEAR_LOG_ERROR);
|
|
continue;
|
|
}
|
|
if (($currentSize + $size + MIN_MSG_LEFT * 2) > $maxMsgSize) {
|
|
// put the item back in the queue
|
|
$adds[] = $guid;
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
}
|
|
|
|
Horde::logMessage("SyncML: slowsync add guid $guid to client\n$c",
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
$cmd = new Horde_SyncML_Command_Sync_ContentSyncElement();
|
|
$cmd->setContent($c);
|
|
$cmd->setContentType($contentType['ContentType']);
|
|
if (isset($contentType['ContentFormat'])) {
|
|
$cmd->setContentFormat($contentType['ContentFormat']);
|
|
}
|
|
$cmd->setGUID($guid);
|
|
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Add');
|
|
$state->log('Server-Add');
|
|
|
|
// moreData split; save in session state and end current message
|
|
if ($cmd->hasMoreData()) {
|
|
$state->curSyncItem = &$cmd;
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
$state->incNumberOfElements();
|
|
}
|
|
}
|
|
// handle remote deletes due to conflicts
|
|
if (count($conflicts) > 0) {
|
|
while ($locid = array_shift($conflicts)) {
|
|
$currentSize = $output->getOutputSize();
|
|
// return if we have to much data
|
|
if (($maxEntries && ($state->getNumberOfElements() >= $maxEntries)
|
|
&& isset ($contentType['mayFragment'])
|
|
&& $contentType['mayFragment'])
|
|
|| ($maxMsgSize
|
|
&& (($currentSize +MIN_MSG_LEFT * 2) > $maxMsgSize))) {
|
|
// put the item back in the queue
|
|
$conflicts[] = $locid;
|
|
$state->maxNumberOfElements();
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
Horde :: logMessage("SyncML: delete client locid: $locid",
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
// Create a Delete request for client.
|
|
$cmd = new Horde_SyncML_Command_Sync_ContentSyncElement();
|
|
$cmd->setLocURI($locid);
|
|
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Delete');
|
|
$state->log('Server-DeletedConflicts');
|
|
$state->removeUID($syncType, $locid);
|
|
|
|
// moreData split; save in session state and end current message
|
|
if ($cmd->hasMoreData()) {
|
|
$state->curSyncItem = & $cmd;
|
|
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
|
|
return $currentCmdID;
|
|
}
|
|
$state->incNumberOfElements();
|
|
}
|
|
}
|
|
Horde::logMessage("SyncML: All items handled for sync $syncType",
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
|
|
$state->removeExpiredUID($syncType, $serverAnchorNext);
|
|
$state->clearSync($syncType);
|
|
|
|
return $currentCmdID;
|
|
}
|
|
|
|
/**
|
|
* Here's where the actual processing of a client-sent Sync
|
|
* Command takes place. Entries are added or replaced
|
|
* from the server database by using Horde API (Registry) calls.
|
|
*/
|
|
function runSyncCommand(&$command) {
|
|
global $registry;
|
|
$history = $GLOBALS['egw']->contenthistory;
|
|
$state = &$_SESSION['SyncML.state'];
|
|
|
|
if ($command->hasMoreData()) {
|
|
Horde::logMessage('SyncML: moreData: TRUE', __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
$command->setStatus(RESPONSE_CHUNKED_ITEM_ACCEPTED_AND_BUFFERED);
|
|
return true;
|
|
}
|
|
|
|
$type = $this->_targetLocURI;
|
|
|
|
$syncml_prefs = $GLOBALS['egw_info']['user']['preferences']['syncml'];
|
|
if (isset($syncml_prefs[$type])) {
|
|
$sync_conflicts = $syncml_prefs[$type];
|
|
} else {
|
|
$sync_conflicts = CONFLICT_SERVER_WINNING;
|
|
}
|
|
|
|
$hordeType = $state->getHordeType($type);
|
|
|
|
$syncElementItems = $command->getSyncElementItems();
|
|
|
|
foreach($syncElementItems as $syncItem) {
|
|
|
|
$contentSize = strlen($syncItem->_content);
|
|
if ((($size = $syncItem->getContentSize()) !== false) &&
|
|
($contentSize != $size) &&
|
|
($contentSize + 1 != $size)) {
|
|
Horde::logMessage('SyncML: content size missmatch for LocURI ' . $syncItem->_luid .
|
|
": $contentSize ($size)", __FILE__, __LINE__, PEAR_LOG_ERROR);
|
|
$command->setStatus(RESPONSE_SIZE_MISMATCH);
|
|
return;
|
|
}
|
|
|
|
if(!$contentType = $syncItem->getContentType()) {
|
|
$contentType = $state->getPreferedContentType($type);
|
|
}
|
|
|
|
if (($contentType == 'text/x-vcalendar' || $contentType == 'text/calendar')
|
|
&& strpos($syncItem->getContent(), 'BEGIN:VTODO') !== false) {
|
|
$hordeType = 'tasks';
|
|
}
|
|
|
|
$guid = false;
|
|
|
|
$guid = $registry->call($hordeType . '/search',
|
|
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType, $state->getGlobalUID($type, $syncItem->getLocURI()) ));
|
|
|
|
if ($guid) {
|
|
// Check if the found entry came from the client
|
|
$guid_ts = $state->getSyncTSforAction($guid, 'add');
|
|
$sync_ts = $state->getChangeTS($type, $guid);
|
|
if ($sync_ts && $sync_ts == $guid_ts) {
|
|
// Entry came from the client, so we get a duplicate here
|
|
Horde::logMessage('SyncML: CONFLICT for locuri ' . $syncItem->getLocURI()
|
|
. ' guid ' . $guid , __FILE__, __LINE__, PEAR_LOG_WARNING);
|
|
if ($sync_conflicts != CONFLICT_RESOLVED_WITH_DUPLICATE) {
|
|
$state->log("Client-AddReplaceIgnored");
|
|
continue;
|
|
}
|
|
} else {
|
|
# Entry exists in database already. Just update the mapping
|
|
Horde::logMessage('SyncML: adding mapping for locuri:'
|
|
. $syncItem->getLocURI() . ' and guid:' . $guid,
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
$state->setUID($type, $syncItem->getLocURI(), $guid, mktime());
|
|
$state->log("Client-Map");
|
|
continue;
|
|
}
|
|
}
|
|
if ($sync_conflicts > CONFLICT_RESOLVED_WITH_DUPLICATE) {
|
|
// We enforce the client not to change anything
|
|
if ($sync_conflicts > CONFLICT_CLIENT_CHANGES_IGNORED) {
|
|
// delete this item from client
|
|
Horde::logMessage('SyncML: Server RO! REMOVE ' . $syncItem->getLocURI()
|
|
. ' from client', __FILE__, __LINE__, PEAR_LOG_WARNING);
|
|
$state->addConflictItem($type, $syncItem->getLocURI());
|
|
} else {
|
|
Horde::logMessage('SyncML: Server RO! REJECT all client changes',
|
|
__FILE__, __LINE__, PEAR_LOG_WARNING);
|
|
$state->log("Client-AddReplaceIgnored");
|
|
}
|
|
$command->setStatus(RESPONSE_NO_EXECUTED);
|
|
continue;
|
|
}
|
|
|
|
// Add entry to the database.
|
|
$state->removeUID($type, $syncItem->getLocURI());
|
|
Horde::logMessage('SyncML: try to add contentype ' . $contentType .' to '. $hordeType,
|
|
__FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
$guid = $registry->call($hordeType . '/import',
|
|
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
|
|
if (!is_a($guid, 'PEAR_Error') && $guid != false) {
|
|
$ts = $state->getSyncTSforAction($guid, 'modify');
|
|
if (!$ts) {
|
|
$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 true;
|
|
}
|
|
|
|
function loadData() {
|
|
global $registry;
|
|
|
|
$state = &$_SESSION['SyncML.state'];
|
|
$syncType = $this->_targetLocURI;
|
|
$hordeType = $state->getHordeType($syncType);
|
|
$state->setTargetURI($syncType);
|
|
$future = $state->getServerAnchorNext($syncType);
|
|
|
|
$state->mergeAddedItems($syncType, $registry->call($hordeType. '/list', array('filter' => $this->_filterExpression)));
|
|
|
|
$this->_syncDataLoaded = TRUE;
|
|
|
|
return count($state->getAddedItems($syncType)) + count($state->getConflictItems($syncType));
|
|
}
|
|
}
|