add first version of drop import

1 files changed, 74 insertions, 0 deletions

diff --git a/apps/calendar/ajax/import/dropimport.php b/apps/calendar/ajax/import/dropimport.php
new file mode 100644
index 00000000000..e98c282ef41
--- /dev/null
+++ b/apps/calendar/ajax/import/dropimport.php
@@ -0,0 +1,74 @@
+<?php
+$data = $_POST['data'];
+$data = explode(',', $data);
+$data = end($data);
+$data = base64_decode($data);
+OCP\JSON::checkLoggedIn();
+OCP\App::checkAppEnabled('calendar');
+$nl="\r\n";
+$comps = array('VEVENT'=>true, 'VTODO'=>true, 'VJOURNAL'=>true);
+$data = str_replace(array("\r","\n\n"), array("\n","\n"), $data);
+$lines = explode("\n", $data);
+unset($data);
+$comp=$uid=$cal=false;
+$cals=$uids=array();
+$i = 0;
+foreach($lines as $line) {
+	if(strpos($line, ':')!==false) {
+		list($attr, $val) = explode(':', strtoupper($line));
+		if ($attr == 'BEGIN' && $val == 'VCALENDAR') {
+			$cal = $i;
+			$cals[$cal] = array('first'=>$i,'last'=>$i,'end'=>$i);
+		} elseif ($attr =='BEGIN' && $cal!==false && isset($comps[$val])) {
+			$comp = $val;
+			$beginNo = $i;
+		} elseif ($attr == 'END' && $cal!==false && $val == 'VCALENDAR') {
+			if($comp!==false) {
+				unset($cals[$cal]); // corrupt calendar, unset it
+			} else {
+				$cals[$cal]['end'] = $i;
+			}
+			$comp=$uid=$cal=false; // reset calendar
+		} elseif ($attr == 'END' && $comp!==false && $val == $comp) {
+			if(! $uid) {
+				$uid = OC_Calendar_Object::createUID();
+			}
+			$uids[$uid][$beginNo] = array('end'=>$i, 'cal'=>$cal);
+			if ($cals[$cal]['first'] == $cal) {
+				$cals[$cal]['first'] = $beginNo;
+			}
+			$cals[$cal]['last'] = $i;
+			$comp=$uid=false; // reset component
+		} elseif ($attr =="UID" && $comp!==false) {
+			list($attr, $uid) = explode(':', $line);
+		}
+	}
+	$i++;
+}
+$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser(), 1);
+$id = $calendars[0]['id'];
+foreach($uids as $uid) {
+	$prefix=$suffix=$content=array();
+	foreach($uid as $begin=>$details) {
+		$cal = $details['cal'];
+		if(!isset($cals[$cal])) {
+			continue; // from corrupt/incomplete calendar
+		}
+		$cdata = $cals[$cal];
+		// if we have multiple components from different calendar objects,
+		// we should really merge their elements (enhancement?) -- 1st one wins for now.
+		if(! count($prefix)) {
+			$prefix = array_slice($lines, $cal, $cdata['first'] - $cal);
+		}
+		if(! count($suffix)) {
+			$suffix = array_slice($lines, $cdata['last']+1, $cdata['end'] - $cdata['last']);
+		}
+		$content = array_merge($content, array_slice($lines, $begin, $details['end'] - $begin + 1));
+	}
+	if(count($content)) {
+		$import = join($nl, array_merge($prefix, $content, $suffix)) . $nl;
+		OC_Calendar_Object::add($id, $import);
+	}
+}
+OCP\JSON::success();
+?>
\ No newline at end of file