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egroupware/calendar/inc/class.calendar_sif.inc.php

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<?php
/**
* eGroupWare calendar - SIF Parser for SyncML
*
* @link http://www.egroupware.org
* @author Lars Kneschke <lkneschke@egroupware.org>
* @author Joerg Lehrke <jlehrke@noc.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package calendar
* @subpackage export
* @version $Id$
*/
require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/lib/core.php';
/**
* SIF Parser for SyncML
*/
class calendar_sif extends calendar_boupdate
{
var $sifMapping = array(
'Start' => 'start',
'End' => 'end',
'AllDayEvent' => 'alldayevent',
'Attendees' => '',
'BillingInformation' => '',
'Body' => 'description',
'BusyStatus' => '',
'Categories' => 'category',
'Companies' => '',
'Importance' => 'priority',
'IsRecurring' => 'isrecurring',
'Location' => 'location',
'MeetingStatus' => '',
'Mileage' => '',
'ReminderMinutesBeforeStart' => 'reminderstart',
'ReminderSet' => 'reminderset',
'ReminderSoundFile' => '',
'ReminderOptions' => '',
'ReminderInterval' => '',
'ReminderRepeatCount' => '',
'Exceptions' => '',
'ReplyTime' => '',
'Sensitivity' => 'public',
'Subject' => 'title',
'RecurrenceType' => 'recur_type',
'Interval' => 'recur_interval',
'MonthOfYear' => '',
'DayOfMonth' => '',
'DayOfWeekMask' => 'recur_weekmask',
'Instance' => '',
'PatternStartDate' => '',
'NoEndDate' => 'recur_noenddate',
'PatternEndDate' => 'recur_enddate',
'Occurrences' => '',
);
// the calendar event array
var $event;
// device specific settings
var $productName = 'mozilla plugin';
var $productSoftwareVersion = '0.3';
var $uidExtension = false;
// constants for recurence type
const olRecursDaily = 0;
const olRecursWeekly = 1;
const olRecursMonthly = 2;
const olRecursMonthNth = 3;
const olRecursYearly = 5;
const olRecursYearNth = 6;
// constants for weekdays
const olSunday = 1;
const olMonday = 2;
const olTuesday = 4;
const olWednesday = 8;
const olThursday = 16;
const olFriday = 32;
const olSaturday = 64;
// standard headers
const xml_decl = '<?xml version="1.0" encoding="UTF-8"?>';
const SIF_decl = '<SIFVersion>1.1</SIFVersion>';
function startElement($_parser, $_tag, $_attributes)
{
}
function endElement($_parser, $_tag)
{
//error_log('endElem: ' . $_tag .' => '. trim($this->sifData));
if(!empty($this->sifMapping[$_tag]))
{
$this->event[$this->sifMapping[$_tag]] = trim($this->sifData);
}
unset($this->sifData);
}
function characterData($_parser, $_data)
{
$this->sifData .= $_data;
}
function siftoegw($sifData)
{
$vcal = new Horde_iCalendar;
$finalEvent = array();
$sysCharSet = $GLOBALS['egw']->translation->charset();
#error_log($sifData);
#$tmpfname = tempnam('/tmp/sync/contents','sife_');
#$handle = fopen($tmpfname, "w");
#fwrite($handle, $sifData);
#fclose($handle);
$this->xml_parser = xml_parser_create('UTF-8');
xml_set_object($this->xml_parser, $this);
xml_parser_set_option($this->xml_parser, XML_OPTION_CASE_FOLDING, false);
xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser, "characterData");
$this->strXmlData = xml_parse($this->xml_parser, $sifData);
if (!$this->strXmlData)
{
error_log(sprintf("XML error: %s at line %d",
xml_error_string(xml_get_error_code($this->xml_parser)),
xml_get_current_line_number($this->xml_parser)));
return false;
}
#error_log(print_r($this->event, true));
foreach ($this->event as $key => $value)
{
$value = preg_replace('/<\!\[CDATA\[(.+)\]\]>/Usim', '$1', $value);
$value = $GLOBALS['egw']->translation->convert($value, 'utf-8', $sysCharSet);
#error_log("$key => $value");
switch ($key)
{
case 'alldayevent':
if ($value == 1)
{
$finalEvent['whole_day'] = true;
$startParts = explode('-',$this->event['start']);
$finalEvent['start']['hour'] = $finalEvent['start']['minute'] = $finalEvent['start']['second'] = 0;
$finalEvent['start']['year'] = $startParts[0];
$finalEvent['start']['month'] = $startParts[1];
$finalEvent['start']['day'] = $startParts[2];
$finalEvent['start'] = $this->date2ts($finalEvent['start']);
$endParts = explode('-',$this->event['end']);
$finalEvent['end']['hour'] = 23; $finalEvent['end']['minute'] = $finalEvent['end']['second'] = 59;
$finalEvent['end']['year'] = $endParts[0];
$finalEvent['end']['month'] = $endParts[1];
$finalEvent['end']['day'] = $endParts[2];
$finalEvent['end'] = $this->date2ts($finalEvent['end']);
}
break;
case 'public':
$finalEvent[$key] = ((int)$value > 0) ? 0 : 1;
break;
case 'category':
if (!empty($value))
{
$finalEvent[$key] = implode(',',$this->find_or_add_categories(explode(';', $value)));
}
break;
case 'end':
case 'start':
if ($this->event['alldayevent'] < 1)
{
$finalEvent[$key] = $vcal->_parseDateTime($value);
error_log("event ".$key." val=".$value.", parsed=".$finalEvent[$key]);
}
break;
case 'isrecurring':
if ($value == 1)
{
$finalEvent['recur_interval'] = $this->event['recur_interval'];
if ($this->event['recur_noenddate'] == 0)
{
$finalEvent['recur_enddate'] = $vcal->_parseDateTime($this->event['recur_enddate']);
}
switch ($this->event['recur_type'])
{
case self::olRecursDaily:
$finalEvent['recur_type'] = MCAL_RECUR_DAILY;
break;
case self::olRecursWeekly:
$finalEvent['recur_type'] = MCAL_RECUR_WEEKLY;
$finalEvent['recur_data'] = $this->event['recur_weekmask'];
break;
case self::olRecursMonthly:
$finalEvent['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
break;
case self::olRecursMonthNth:
$finalEvent['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
break;
case self::olRecursYearly:
$finalEvent['recur_type'] = MCAL_RECUR_YEARLY;
$finalEvent['recur_interval'] = 1;
break;
}
}
break;
case 'priority':
$finalEvent[$key] = $value + 1;
break;
case 'reminderset':
if ($value == 1)
{
$finalEvent['alarm'] = $this->event['reminderstart'];
}
break;
case 'recur_type':
case 'recur_enddate':
case 'recur_interval':
case 'recur_weekmask':
case 'reminderstart':
// do nothing, get's handled in isrecuring clause
break;
case 'description':
if (preg_match('/\s*\[UID:(.+)?\]/Usm', $value, $matches))
{
$finalEvent['uid'] = $matches[1];
}
default:
$finalEvent[$key] = $value;
break;
}
}
#$middleName = ($finalEvent['n_middle']) ? ' '.trim($finalEvent['n_middle']) : '';
#$finalEvent['fn'] = trim($finalEvent['n_given']. $middleName .' '. $finalEvent['n_family']);
#error_log(print_r($finalEvent, true));
return $finalEvent;
}
function search($_sifdata, $contentID=null, $relax=false)
{
$result = false;
if ($event = $this->siftoegw($_sifdata))
{
if ($contentID) {
$event['id'] = $contentID;
}
$result = $this->find_event($event, $relax);
}
return $result;
}
/**
* @return int contact id
* @param string $_vcard the vcard
* @param int $_abID the internal addressbook id
* @param boolean $merge=false merge data with existing entry
* @desc import a vard into addressbook
*/
function addSIF($_sifdata, $_calID, $merge=false)
{
$state = &$_SESSION['SyncML.state'];
$deviceInfo = $state->getClientDeviceInfo();
$calID = false;
#error_log('ABID: '.$_abID);
#error_log(base64_decode($_sifdata));
if (!$event = $this->siftoegw($_sifdata))
{
return false;
}
if (isset($event['alarm']))
{
$alarm = $event['alarm'];
unset($event['alarm']);
}
if ($_calID > 0)
{
// update entry
$event['id'] = $_calID;
}
else
{
if (isset($event['whole_day']) && $event['whole_day']
&& isset ($deviceInfo) && is_array($deviceInfo)
&& isset($deviceInfo['nonBlockingAllday'])
&& $deviceInfo['nonBlockingAllday'])
{
$event['non_blocking'] = '1';
}
}
if ($eventID = $this->update($event, TRUE))
{
$updatedEvent = $this->read($eventID);
foreach ($updatedEvent['alarm'] as $alarmID => $alarmData)
{
$this->delete_alarm($alarmID);
}
if (isset($alarm))
{
$alarmData['time'] = $event['start'] - ($alarm*60);
$alarmData['offset'] = $alarm*60;
$alarmData['all'] = 1;
$alarmData['owner'] = $GLOBALS['egw_info']['user']['account_id'];
$this->save_alarm($eventID, $alarmData);
}
}
return $eventID;
}
/**
* return a sife
*
* @param int $_id the id of the event
* @return string containing the vcard
*/
function getSIF($_id)
{
$sysCharSet = $GLOBALS['egw']->translation->charset();
$fields = array_unique(array_values($this->sifMapping));
sort($fields);
#$event = $this->read($_id,null,false,'server');
#error_log("FOUND EVENT: ". print_r($event, true));
if (($event = $this->read($_id,null,false,'server')))
{
if ($this->uidExtension)
{
if (!preg_match('/\[UID:.+\]/m', $event['description']))
{
$event['description'] .= "\n[UID:" . $event['uid'] . "]";
}
}
$vcal = new Horde_iCalendar('1.0');
$sifEvent = self::xml_decl . "\n<appointment>" . self::SIF_decl;
foreach ($this->sifMapping as $sifField => $egwField)
{
if (empty($egwField)) continue;
#error_log("$sifField => $egwField");
#error_log('VALUE1: '.$event[$egwField]);
$value = $GLOBALS['egw']->translation->convert($event[$egwField], $sysCharSet, 'utf-8');
#error_log('VALUE2: '.$value);
switch ($sifField)
{
case 'Importance':
$value = $value-1;
$sifEvent .= "<$sifField>$value</$sifField>";
break;
case 'RecurrenceType':
case 'Interval':
case 'PatternStartDate':
case 'NoEndDate':
case 'DayOfWeekMask':
case 'PatternEndDate':
break;
case 'IsRecurring':
if ($event['recur_type'] == MCAL_RECUR_NONE)
{
$sifEvent .= "<$sifField>0</$sifField>";
break;
}
if ($event['recur_enddate'] == 0)
{
$sifEvent .= '<NoEndDate>1</NoEndDate>';
}
else
{
$recurEndDate = mktime(24 , 0, 0,
date('m',$event['recur_enddate']),
date('d', $event['recur_enddate']),
date('Y', $event['recur_enddate']));
$sifEvent .= '<NoEndDate>0</NoEndDate>';
$sifEvent .= '<PatternEndDate>'. $vcal->_exportDateTime($recurEndDate) .'</PatternEndDate>';
}
switch ($event['recur_type'])
{
case MCAL_RECUR_DAILY:
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursDaily .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
if ($event['recur_enddate'])
{
$totalDays = ($recurEndDate - $recurStartDate) / 86400;
$occurrences = ceil($totalDays / $eventInterval);
$sifEvent .= '<Occurrences>'. $occurrences .'</Occurrences>';
}
break;
case MCAL_RECUR_WEEKLY:
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursWeekly .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
$sifEvent .= '<DayOfWeekMask>'. $event['recur_data'] .'</DayOfWeekMask>';
if ($event['recur_enddate'])
{
$daysPerWeek = substr_count(decbin($event['recur_data']),'1');
$totalWeeks = floor(($recurEndDate - $recurStartDate) / (86400*7));
#error_log("AAA: $daysPerWeek $totalWeeks");
$occurrences = ($totalWeeks / $eventInterval) * $daysPerWeek;
for($i = $recurEndDate; $i > $recurStartDate + ($totalWeeks * 86400*7); $i = $i - 86400)
{
switch (date('w', $i-1))
{
case 0:
if ($event['recur_data'] & 1) $occurrences++;
break;
// monday
case 1:
if ($event['recur_data'] & 2) $occurrences++;
break;
case 2:
if ($event['recur_data'] & 4) $occurrences++;
break;
case 3:
if ($event['recur_data'] & 8) $occurrences++;
break;
case 4:
if ($event['recur_data'] & 16) $occurrences++;
break;
case 5:
if ($event['recur_data'] & 32) $occurrences++;
break;
case 6:
if ($event['recur_data'] & 64) $occurrences++;
break;
}
}
$sifEvent .= '<Occurrences>'. $occurrences .'</Occurrences>';
}
break;
case MCAL_RECUR_MONTHLY_MDAY:
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursMonthly .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
break;
case MCAL_RECUR_MONTHLY_WDAY:
$weekMaskMap = array('Sun' => self::olSunday, 'Mon' => self::olMonday, 'Tue' => self::olTuesday,
'Wed' => self::olWednesday, 'Thu' => self::olThursday, 'Fri' => self::olFriday,
'Sat' => self::olSaturday);
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursMonthNth .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
$sifEvent .= '<Instance>' . (1 + (int) ((date('d',$event['start'])-1) / 7)) . '</Instance>';
$sifEvent .= '<DayOfWeekMask>' . $weekMaskMap[date('D',$event['start'])] . '</DayOfWeekMask>';
break;
case MCAL_RECUR_YEARLY:
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursYearly .'</RecurrenceType>';
break;
}
break;
case 'Sensitivity':
$value = (!$value ? '2' : '0');
$sifEvent .= "<$sifField>$value</$sifField>";
break;
case 'Folder':
# skip currently. This is the folder where Outlook stores the contact.
#$sifEvent .= "<$sifField>/</$sifField>";
break;
case 'AllDayEvent':
case 'End':
// get's handled by Start clause
break;
case 'Start':
if ($this->isWholeDay($event))
{
$value = date('Y-m-d', $event['start']);
$sifEvent .= "<Start>$value</Start>";
$vaule = date('Y-m-d', $event['end']);
$sifEvent .= "<End>$value</End>";
$sifEvent .= "<AllDayEvent>1</AllDayEvent>";
}
else
{
$value = $vcal->_exportDateTime($event['start']);
$sifEvent .= "<Start>$value</Start>";
$value = $vcal->_exportDateTime($event['end']);
$sifEvent .= "<End>$value</End>";
$sifEvent .= "<AllDayEvent>0</AllDayEvent>";
}
break;
case 'ReminderMinutesBeforeStart':
break;
case 'ReminderSet':
if (count((array)$event['alarm']) > 0)
{
$sifEvent .= "<$sifField>1</$sifField>";
foreach ($event['alarm'] as $alarmID => $alarmData)
{
$sifEvent .= '<ReminderMinutesBeforeStart>'. $alarmData['offset']/60 .'</ReminderMinutesBeforeStart>';
// lets take only the first alarm
break;
}
}
else
{
$sifEvent .= "<$sifField>0</$sifField>";
}
break;
case 'Categories':
if (!empty($value))
{
$value = implode('; ', $this->get_categories(explode(',',$value)));
$value = $GLOBALS['egw']->translation->convert($value, $sysCharSet, 'utf-8');
}
else
{
break;
}
default:
$value = @htmlspecialchars($value, ENT_QUOTES, 'utf-8');
$sifEvent .= "<$sifField>$value</$sifField>";
break;
}
}
$sifEvent .= '</appointment>';
return $sifEvent;
}
if($this->xmlrpc)
{
$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['no_access'],$GLOBALS['xmlrpcstr']['no_access']);
}
return False;
}
/**
* Set the supported fields
*
* Currently we only store name and version, manucfacturer is always Funambol
*
* @param string $_productName
* @param string $_productSoftwareVersion
*/
function setSupportedFields($_productName='', $_productSoftwareVersion='')
{
$state = &$_SESSION['SyncML.state'];
$deviceInfo = $state->getClientDeviceInfo();
if (isset($deviceInfo) && is_array($deviceInfo))
{
if (isset($deviceInfo['uidExtension']) &&
$deviceInfo['uidExtension'])
{
$this->uidExtension = true;
}
}
// store product name and version, to be able to use it elsewhere
if ($_productName)
{
$this->productName = strtolower($_productName);
if (preg_match('/^[^\d]*(\d+\.?\d*)[\.|\d]*$/', $_productSoftwareVersion, $matches))
{
$this->productSoftwareVersion = $matches[1];
}
}
}
}
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