#!/bin/sh
ids=$(authorized_keys_getuser)
if [ -z "$1" ]; then echo "execute $0 file"; exit 1; fi
while read -r line; do
	[ -z "$line" ] && continue
	$(echo $line | grep -q "^#") && continue
	if [ $(echo $line | grep "\-\-\-[a-zA-Z]") ]; then
		user=${line##---}
		key=""
		continue
	fi
	[ -z "$user" ] && continue
	key=$line
	found=0
	for id in $ids; do
		u=$(echo $id | cut -d":" -f1)
		if [ "$u" = "$user" ]; then
			found=1
			dir=$(echo $id | cut -d":" -f2)/.ssh
		fi
	done
	[ "$user" = "root" ] && dir="/tmp/flash/authorized_keys_root"
	[ $found -eq 0 ] && continue
	if [ -e "$dir" -a ! -d "$dir" ]; then
		echo "User $user has something that is not a directory for $dir!"
		continue
	fi
	if [ ! -e "$dir" ]; then
		mkdir $dir
		chown $user $dir
		chmod 700 $dir
	fi
	touch $dir/authorized_keys.new
	echo -e $key >> $dir/authorized_keys.new
done < $1
for id in $ids; do
	user=$(echo $id | cut -d":" -f1)
	dir=$(echo $id | cut -d":" -f2)/.ssh/
	[ "$user" = "root" ] && dir="/tmp/flash/authorized_keys_root"
	if [ -f "$dir/authorized_keys.new" ]; then
		mv $dir/authorized_keys.new $dir/authorized_keys
		chown -R $user $dir/authorized_keys
		chmod -R 700 $dir/authorized_keys
		[ "$user" = "root" ] && modsave flash
	else
		rm -f $dir/authorized_keys
	fi
done