--- /dev/null
+#!/bin/zsh
+# Copyright 2011 Paul Haensch
+# This file is part of Busy
+#
+# Busy 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.
+#
+# Busy 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 Busy. If not, see <http://www.gnu.org/licenses/>.
+
+[ -z "$reason" ] && reason=$(egrep -o '(^|&)r=.+(&|$)' <<<"${QUERY_STRING}" |sed 's,&,,g;s,r=,,')
+[ -z "$reason" ] && reason="other"
+
+echo "
+<div id='MAIN'>
+<h2>Error</h2>
+"
+case "${reason}" in
+ tooSmall) echo 'You need to select a file for uploading.'
+ ;;
+ tooBig) echo 'The combined size of uploaded files must not exceed 32 MB.'
+ ;;
+ noPic) echo 'The uploaded file is of unknown type, try uploading a JPEG or PNG.'
+ ;;
+ input) echo 'Invalid set of input data.'
+ ;;
+ noaccess) echo '... because you were probably trying to do something nasty.'
+ ;;
+ *) echo 'Unknown generic fuckup :-('
+ ;;
+esac
+echo "</div>"