ShellWebServer, a tiny Web server written in Shell

shellwebserver

#!/bin/sh

# global
if [ -z "$DOCUMENT_ROOT" ]
then
        DOCUMENT_ROOT=/var/www
fi

# private vars
_request=""

mkfifo /tmp/.shellwebserver.$$

echo "Shell Web Server Started"
while (true); do
        nc -l -p 80 < /tmp/.shellwebserver.$$ | while read request; do
                if [ -z "$_request" ]
                then
                        _request=$request
                fi

                if [ "$request" == $'\r' ]
                then
                        _url="${_request#GET }"
                        _url="${_url% HTTP/*}"
                        _filename="$DOCUMENT_ROOT$_url"

                        if [ -d $_filename ]
                        then
                                _filename="$_filename/index.html"
                        fi

                        if [ -f "$_filename" ]; then
                                echo -e "HTTP/1.1 200 OK\r"
                                echo -e "Content-Type: `/usr/bin/file -bi \"$_filena
                                echo -e "\r"
                                cat "$_filename"
                        else
                                echo -e "HTTP/1.1 404 Not Found\r"
                                echo -e "Content-Type: text/html\r"
                                echo -e "\r"
                                echo -e "404 Not Found\r"
                                echo -e "Not Found The requested resource was not fo
                                echo -e "\r"
                        fi

                        break
                fi
        done > /tmp/.shellwebserver.$$
done

rm /tmp/.shellwebserver.$$