#!/bin/bash
#
# Send files with netcat, using an standard http header
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# (C) 2007 Jose L. Hidalgo Valiño (pplux@pplux.com)
#
export LANG=C

# Port to use...
PORT=6969

# Check file
[ -f $1 ] || { echo "Error can not open \"$1\""; exit 1; }

TYPE=unknown
which file 2>&1 1>/dev/null  && TYPE=`file -bi $1`
LENGTH=`du -b $1 | awk '{print $1}'`
NAME=${1##*/}

# Alternatives to download the file:
if [ $OSTYPE = "cygwin" ]; then
	for ip in $(ipconfig | awk '/IP.*[0-9]/{match($NF,/[0-9.:]*/);print substr($NF,RSTART,RLENGTH)}');do
  		echo "http://$ip:$PORT/$NAME"
	done

else
	for ip in $(ifconfig | awk '/inet addr/{sub(/addr:/,"",$2);print $2}');do
  		echo "http://$ip:$PORT/$NAME"
	done

fi

echo "-- Waiting for connection....."

# Execute netcat with http header
(
	echo -e "HTTP/1.1 200 OK\r"
	echo -e "Connection: close\r"
	echo -e "Content-Length: $LENGTH\r"
	echo -e "Content-Type: $TYPE\r"
	echo -e "\r"
	cat $1	
	echo -e "\r"
 ) | nc -l -p $PORT