98 lines
2.0 KiB
Bash
Executable File
98 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# A simple, configurable HTTP server written in bash.
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#
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# See LICENSE for licensing information.
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#
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# Original author: Avleen Vig, 2012
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# Reworked by: Josh Cartwright, 2012
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warn() { echo "WARNING: $@" >&2; }
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recv() { echo "< $@" >&2; }
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send() { echo "> $@" >&2;
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printf '%s\r\n' "$*"; }
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[[ $UID = 0 ]] && warn "It is not recommended to run bashttpd as root."
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DATE=$(date +"%a, %d %b %Y %H:%M:%S %Z")
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declare -a RESPONSE_HEADERS=(
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"Date: $DATE"
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"Expires: $DATE"
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"Server: Slash Bin Slash Bash"
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)
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add_response_header() {
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RESPONSE_HEADERS+=("$1: $2")
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}
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declare -a HTTP_RESPONSE=(
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[200]="OK"
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[400]="Bad Request"
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[403]="Forbidden"
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[404]="Not Found"
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[405]="Method Not Allowed"
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[500]="Internal Server Error"
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)
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send_response() {
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local code=$1
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send "HTTP/1.0 $1 ${HTTP_RESPONSE[$1]}"
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for i in "${RESPONSE_HEADERS[@]}"; do
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send "$i"
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done
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send
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while read -r line; do
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send "$line"
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done
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}
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send_response_ok_exit() { send_response 200; exit 0; }
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fail_with() {
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send_response "$1" <<< "$1 ${HTTP_RESPONSE[$1]}"
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exit 1
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}
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serve_static_string() {
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add_response_header "Content-Type" "text/plain;charset=utf-8"
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send_response_ok_exit <<< "$1"
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}
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main () {
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[ -x "$REQUEST_URI" ] || [ ! -d "$REQUEST_URI" ] || fail_with 404
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serve_static_string "$(basename "$REQUEST_URI" | cut -d '.' -f 1) : $(sh "$REQUEST_URI" 2>&1 && echo Ok || echo 'Non validé')"
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}
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# Request-Line HTTP RFC 2616 $5.1
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read -r line || fail_with 400
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# strip trailing CR if it exists
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line=${line%%$'\r'}
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recv "$line"
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read -r REQUEST_METHOD REQUEST_URI REQUEST_HTTP_VERSION <<<"$line"
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[ -n "$REQUEST_METHOD" ] && \
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[ -n "$REQUEST_URI" ] && \
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[ -n "$REQUEST_HTTP_VERSION" ] \
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|| fail_with 400
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# Only GET is supported at this time
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[ "$REQUEST_METHOD" = "GET" ] || fail_with 405
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declare -a REQUEST_HEADERS
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while read -r line; do
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line=${line%%$'\r'}
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recv "$line"
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# If we've reached the end of the headers, break.
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[ -z "$line" ] && break
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REQUEST_HEADERS+=("$line")
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done
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main
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fail_with 500
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