Initial commit of a really stupid idea.

.env

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+# Sample env file for www.sh
+
+_ENV['DB_USER']='username'
+_ENV['DB_PASS']='password'
+_ENV['DB_DATABASE']='database'
+

code/controllers/index.sh

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+echo "<h1>Hello ${_GET['welcome']}</h1>"
+echo "<p>This is a sample controller for /</p>"

code/controllers/view-source.sh

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+echo "The source can be found at <a href='https://github.com/nerdgeneration/www.sh.git'>GitHub</a>"

code/www.sh

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+# www.sh - Copyright Mark Griffin 2019
+# Please don't actually use this for anything, that would be stupid.
+
+WWWSH_VERSION='0.1-alpha'
+WWWSH_URL='http://www.nerdgeneration.com/wwwsh/'
+
+# Some notes:
+# - The aim is to use native bash as much as possible
+# - printf is more secure than echo because you can't tell echo to stop processing parameters
+
+
+# Make bash intolerant of errors
+set -ef -o pipefail
+
+url_decode() {
+    local data="${*//+/ }"   # + to space
+    echo -e "${data//%/\\x}" # %xx to ascii
+    # or: printf '%b' "${1//%/\\x}"
+}
+
+url_encode() {
+    # Modified from https://gist.github.com/cdown/1163649
+    old_lc_collate=$LC_COLLATE
+    LC_COLLATE=C
+
+    local length="${#1}"
+    for (( pos = 0; pos < length; pos++ )); do
+        local chr="${1:pos:1}"
+        case $chr in
+            ' ') printf '+' ;;
+            [a-zA-Z0-9.~_-]) printf "%s" "$c" ;;
+            *) printf '%%%02X' "'$c" ;;
+        esac
+    done
+
+    LC_COLLATE=$old_lc_collate
+}
+
+html() {
+    local str="$1"
+    str="${str//</&lt;}"
+    str="${str//>/&gt;}"
+    str="${str//\"/&quot;}"
+    printf "%s" "$str"
+}
+
+sql() {
+    printf "0x"
+    printf "%s" "$1" | xxd -p | tr -d '\n'
+}
+
+query() {
+    mysql -u "${_ENV['DB_USER']}" -p <(echo "${_ENV['DB_PASS']}") --database="${_ENV['DB_DATABASE']}" --silent --raw <<<"$1" \
+        | tail -n +2
+}
+
+view() {
+   # TODO Load code/views/$1 and do template expansion somehow
+   return
+}
+
+path() {
+    local check="$(realpath -e "./$1")"
+    # TODO Clean $1 and ensure it exists in $DOCUMENT_ROOT
+    return
+}
+
+declare -A routes
+route() {
+    routes["$1"]="$2"
+}
+
+http_status_code="200 OK"
+http_status() {
+    http_status_code="$1"
+}
+
+declare -A http_headers
+http_header() {
+    http_headers["$1"]="$2"
+}
+
+http_serve() {
+    http_header "Content-Type" "text/html;charset=utf-8"
+    http_header "X-Server" "www.sh/$WWWSH_VERSION ($WWWSH_URL)"
+
+    # Find route, source controller, capture output
+    [[ "$SCRIPT_NAME" == "" ]] && SCRIPT_NAME="/"
+    if [[ ! -z ${routes[$SCRIPT_NAME]} ]]; then
+        local controller="${routes[$SCRIPT_NAME]}"
+        content="$(source "../code/controllers/$controller.sh")"
+
+    else
+        # TODO Finish this for local file serving too
+        # local filename="$(realpath --canonicalize-existing --quiet "./$SCRIPT_NAME")"
+        # [[ $? == 0 && ... check the filename is in $DOCUMENT_ROOT ]] && send the file
+        http_status "404 Not Found"
+        content="Not Found"
+    fi
+
+    # Output headers
+    printf "HTTP/1.0 %s\r\n" "$http_status_code"
+    for name in "${!http_headers[@]}"; do 
+        printf "%s: %s\r\n" "$name" "${http_headers[$name]}"; 
+    done
+
+    printf "\r\n%s\n" "$content"
+}
+
+
+# Parse the query into $_GET
+IFS='&;' read -a query <<< "$QUERY_STRING"
+declare -A _GET
+for name_value_str in "${query[@]}"; do
+    IFS='=' read -a name_value <<< "$name_value_str"
+    name="$(url_decode "${name_value[0]}")"
+    value="$(url_decode "${name_value[1]}")"
+    _GET["$name"]="$value"
+done
+
+# TODO read in a sourced script seems to break everything
+# Parse the POST into $_POST
+#IFS='&;' read -a query
+#declare -A _POST
+#for name_value_str in "${query[@]}"; do
+#    IFS='=' read -a name_value <<< "$name_value_str"
+#    name="$(url_decode "${name_value[0]}")"
+#    value="$(url_decode "${name_value[1]}")"
+#    _POST["$name"]="$value"
+#done
+
+# Read the .env file
+declare -A _ENV
+[[ -f ../.env ]] && source ../.env

test

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+#!/usr/bin/env bash
+
+# Loads the index controller
+
+DOCUMENT_ROOT="$(realpath "$(dirname "$0")")/www"
+HTTP_HOST=localhost
+HTTP_REFERER=http://localhost/
+HTTP_USER_AGENT='www.sh-tests/1'
+
+QUERY_STRING='welcome=Test+User'
+SCRIPT_NAME='/'
+REQUEST_URI="$SCRIPT_NAME?$QUERY_STRING"
+
+cd "$DOCUMENT_ROOT"
+source index.cgi </dev/null

www/.htaccess

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+AddHandler cgi-script .cgi
+Options +ExecCGI
+RewriteEngine On
+
+RewriteCond ! -f
+RewriteConf ! -d
+RewriteRule ^ /index.cgi

www/index.cgi

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+#!/usr/bin/env bash
+
+# Include the www.sh library
+source ../code/www.sh
+
+# Setup all the routes
+route / index
+route /source/ view-source
+route /about/ view-about
+route /contact/ view-contact
+route /contact/send send-contact
+
+# Tell www.sh that we're ready
+http_serve