#!/bin/sh
set -uxe

# http2 is rather new, check that it at least generally works
# Author: Christian Ehrhardt <christian.ehrhardt@canonical.com>

a2enmod http2
a2enmod ssl
a2ensite default-ssl
# Enable globally
echo "Protocols h2c h2 http/1.1" >> /etc/apache2/apache2.conf
service apache2 restart

# Use curl here. wget doesn't work on Debian, even with --no-check-certificate
# wget on Debian gives me:
#    GnuTLS: A TLS warning alert has been received.
#    Unable to establish SSL connection.
# Presumably this is due to the self-signed certificate, but I'm not sure how
# to skip the warning with wget. curl will do for now.
echo "Hello, world!" > /var/www/html/hello.txt

testapache () {
    cmd="${1}"
    result=$(${cmd})

    if [ "$result" != "Hello, world!" ]; then
        echo "Unexpected result: ${result}" >&2
        exit 1
    else
        echo OK
    fi
}

# https shall not affect http
testapache "curl -s -k http://localhost/hello.txt"
# https shall not affect https
testapache "curl -s -k https://localhost/hello.txt"
#plain http2
testapache "nghttp --no-verify-peer https://localhost/hello.txt"
#http2 upgrade
testapache "nghttp -u --no-verify-peer http://localhost/hello.txt"