--- /dev/null
+#!/bin/zsh
+
+# Copyright 2014 Paul Hänsch
+#
+# This file is part of Confetti.
+#
+# Confetti is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Confetti is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Confetti. If not, see <http://www.gnu.org/licenses/>.
+
+cgi_post
+
+uid=$(uuidgenerator)
+course="${uid}.ics"
+
+tzid=$(cat /etc/timezone)
+tstamp=$(TZ="$tzid" date +%Y%m%dT%H%M%S)
+
+tempfile="$_DATA/temp/$course"
+
+cat >"$tempfile" <<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:Berlin RAW Confetti
+BEGIN:VEVENT
+UID:$uid
+DTSTAMP:TZID=${tzid}:${tstamp}
+DTSTART:
+DURATION:
+RRULE:
+SUMMARY:
+COMMENT:
+END:VEVENT
+END:VCARD
+EOF
+
+echo -n "Location: ?p=courses&edit=$course\n\n"