136 lines
No EOL
4.6 KiB
PHP
136 lines
No EOL
4.6 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Georg Ehrke <ownclouddev at georgswebsite dot de>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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OCP\JSON::checkLoggedIn();
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OCP\App::checkAppEnabled('calendar');
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session_write_close();
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$file = OC_Filesystem::file_get_contents($_POST['path'] . '/' . $_POST['file']);
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if(!$file){
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OCP\JSON::error(array('error'=>'404'));
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}
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$import = new OC_Calendar_Import($file);
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$import->setUserID(OCP\User::getUser());
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$import->setTimeZone(OC_Calendar_App::$tz);
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$import->enableProgressCache();
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if(!$import->isValid()){
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OCP\JSON::error(array('error'=>'notvalid'));
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exit;
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}
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$newcal = false;
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if($_POST['method'] == 'new'){
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$calendars = OC_Calendar_Calendar::allCalendars(OCP\User::getUser());
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foreach($calendars as $calendar){
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if($calendar['dispalyname'] == $_POST['calname']){
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$id = $calendar['id'];
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$newcal = false;
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break;
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}
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$newcal = true;
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}
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if($newcal){
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$id = OC_Calendar_Calendar::addCalendar(OCP\USER::getUser(), strip_tags($_POST['calname'],'VEVENT,VTODO,VJOURNAL',null,0,$import->createCalendarColor()));
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OC_Calendar_Calendar::setCalendarActive($id, 1);
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}
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}else{
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$calendar = OC_Calendar_App::getCalendar($_POST['id']);
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if($calendar['userid'] != OCP\USER::getUser()){
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OCP\JSON::error(array('error'=>'missingcalendarrights'));
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exit();
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}
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$id = $_POST['id'];
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}
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$import->setCalendarID($id);
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$import->import();
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$count = $import->getCount();
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if($count == 0){
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if($newcal){
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OC_Calendar_Calendar::deleteCalendar($id);
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}
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OCP\JSON::error(array('message'=>OC_Calendar_App::$l10n->t('The file contained either no events or all events are already saved in your account')));
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}else{
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OCP\JSON::success(array('message'=>$count . ' ' . OC_Calendar_App::$l10n->t('events has been saved in the new calendar') . ' ' . $newcalendarname));
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}
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/* //////////////////////////// Attention: following code is quite painfull !!! ///////////////////////
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writeProgress('20');
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// normalize the newlines
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$file = str_replace(array("\r","\n\n"), array("\n","\n"), $file);
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$lines = explode("\n", $file);
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unset($file);
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writeProgress('30');
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// analyze the file, group components by uid, and keep refs to originating calendar object
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// $cals is array calendar objects, keys are 1st line# $cal, ie array( $cal => $caldata )
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// $caldata is array( 'first' => 1st component line#, 'last' => last comp line#, 'end' => end line# )
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// $caldata is used to create prefix/suffix strings when building import text
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// $uids is array of component arrays, keys are $uid, ie array( $uid => array( $beginlineno => $component ) )
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// $component is array( 'end' => end line#, 'cal'=> $cal )
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$comp=$uid=$cal=false;
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$cals=$uids=array();
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$i = 0;
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foreach($lines as $line) {
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if(strpos($line, ':')!==false) {
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list($attr, $val) = explode(':', strtoupper($line));
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if ($attr == 'BEGIN' && $val == 'VCALENDAR') {
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$cal = $i;
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$cals[$cal] = array('first'=>$i,'last'=>$i,'end'=>$i);
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} elseif ($attr =='BEGIN' && $cal!==false && isset($comps[$val])) {
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$comp = $val;
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$beginNo = $i;
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} elseif ($attr == 'END' && $cal!==false && $val == 'VCALENDAR') {
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if($comp!==false) {
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unset($cals[$cal]); // corrupt calendar, unset it
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} else {
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$cals[$cal]['end'] = $i;
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}
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$comp=$uid=$cal=false; // reset calendar
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} elseif ($attr == 'END' && $comp!==false && $val == $comp) {
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if(! $uid) {
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$uid = OC_Calendar_Object::createUID();
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}
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$uids[$uid][$beginNo] = array('end'=>$i, 'cal'=>$cal);
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if ($cals[$cal]['first'] == $cal) {
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$cals[$cal]['first'] = $beginNo;
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}
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$cals[$cal]['last'] = $i;
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$comp=$uid=false; // reset component
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} elseif ($attr =="UID" && $comp!==false) {
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list($attr, $uid) = explode(':', $line);
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}
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}
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$i++;
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}
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// import the calendar
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writeProgress('60');
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foreach($uids as $uid) {
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$prefix=$suffix=$content=array();
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foreach($uid as $begin=>$details) {
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$cal = $details['cal'];
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if(!isset($cals[$cal])) {
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continue; // from corrupt/incomplete calendar
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}
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$cdata = $cals[$cal];
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// if we have multiple components from different calendar objects,
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// we should really merge their elements (enhancement?) -- 1st one wins for now.
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if(! count($prefix)) {
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$prefix = array_slice($lines, $cal, $cdata['first'] - $cal);
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}
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if(! count($suffix)) {
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$suffix = array_slice($lines, $cdata['last']+1, $cdata['end'] - $cdata['last']);
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}
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$content = array_merge($content, array_slice($lines, $begin, $details['end'] - $begin + 1));
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}
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if(count($content)) {
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$import = join($nl, array_merge($prefix, $content, $suffix)) . $nl;
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OC_Calendar_Object::add($id, $import);
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}
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}
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// finished import
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writeProgress('100');
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sleep(3);
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OC_Cache::remove($progresskey);
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OCP\JSON::success(); |