iankelling.org Git - basic-https-conf/blob - apache-site

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
  17
  18 set -eE -o pipefail
  19 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  20
  21 shopt -s nullglob # used in apache config file expansion
  22
  23 usage() {
  24     cat <<EOF
  25 Usage: ${0##*/} [OPTIONS] [EXTRA_SETTINGS_FILE] DOMAIN
  26 Setup apache virtualhost config with https using
  27 ssl config provided by let's encrypt and my standard
  28 location for storing certs.
  29
  30 EXTRA_SETTINGS_FILE can be - for stdin
  31 -c CERT_DIR       In priority: this arg, $ACME_TINY_WRAPPER_CERT_DIR,
  32                   $HOME/webservercerts, if the other options aren't set.
  33 -f [ADDR:]PORT    Enable proxy to [ADDR:]PORT. ADDR default is 127.0.0.1
  34 -i                Insecure, no ssl
  35 -p PORT           Main port to listen on, default 443. 80 implies -i.
  36 -r DIR            DocumentRoot
  37 -h|--help         Print help and exit
  38
  39 Note: Uses GNU getopt options parsing style
  40 EOF
  41     exit $1
  42 }
  43
  44 ##### begin command line parsing ########
  45
  46 cert_dir="$ACME_TINY_WRAPPER_CERT_DIR"
  47 if [[ ! $cert_dir ]]; then
  48     cert_dir=$HOME/webservercerts
  49 fi
  50 ssl=true
  51 extra_settings=
  52 port=443
  53 temp=$(getopt -l help ic:f:p:r:h "$@") || usage 1
  54 eval set -- "$temp"
  55 while true; do
  56     case $1 in
  57         -c) cert_dir="$2"; shift 2 ;;
  58         -f) proxy="$2"; shift 2 ;;
  59         -i) ssl=false; shift ;;
  60         -p) port="$2"; shift 2 ;;
  61         -r) root="$2"; shift 2 ;;
  62         --) shift; break ;;
  63         -h|--help) usage ;;
  64         *) echo "$0: Internal error!" ; exit 1 ;;
  65     esac
  66 done
  67
  68 if (( ${#@} == 2 )); then
  69     read -r extra_settings h <<<"${@}"
  70 else
  71     read -r h <<<"${@}"
  72 fi
  73
  74 if [[ ! $h ]]; then
  75     echo "$0: error: expected domain arg"
  76     usage 1
  77 fi
  78
  79 if [[ ! $root ]]; then
  80     root=/var/www/$h/html
  81 fi
  82
  83 if [[ $proxy ]]; then
  84     [[ $proxy == *:* ]] || proxy=127.0.0.1:$proxy
  85 fi
  86
  87
  88 ##### end command line parsing ########
  89
  90 # taken from the let's encrypt generated site, using
  91 # ./certbot-auto --apache (should use the test mode to check if there are updates)
  92 # on 5/29/2016
  93
  94 # I could have also used the mozilla generator this, but it had some open issues
  95 # with no response
  96 # so I figured I would check out let's encrypt.
  97 # It's a little more liberal, but still get's an A in ssl labs,
  98 # so, meh, I'll use it.
  99 # https://mozilla.github.io/server-side-tls/ssl-config-generator/
 100
 101
 102 rm -f /etc/apache2/sites-enabled/000-default.conf
 103
 104 mkdir -p $root
 105 vhost_file=/etc/apache2/sites-enabled/$h.conf
 106 redir_file=/etc/apache2/sites-enabled/httpsredir.conf
 107
 108 # note, we exepct ServerRoot of /etc/apache2
 109 # apache requires exactly 1 listen directive per port (when no ip is also given),
 110 # so we have to parse the config to do it programatically.
 111 listen_80=false
 112 listen_port=false
 113 cd /etc/apache2
 114 conf_files=(apache2.conf)
 115
 116
 117 if [[ $port == 80 ]]; then
 118     ssl=false
 119     # remove any thats hanging around
 120     rm -f $redir_file
 121 fi
 122
 123 for (( i=0; i < ${#conf_files[@]}; i++ )); do
 124     f="${conf_files[i]}"
 125     # note: globs are expanded here.
 126     conf_files+=( $(sed -rn "s,^\s*Include(Optional)?\s+(\S+).*,\2,p" "$f") )
 127     case $(readlink -f "$f") in
 128         $vhost_file|$redir_file) continue ;;
 129     esac
 130     for p in $(sed -rn "s,^\s*listen\s+(\S+).*,\1,Ip" "$f"); do
 131         case $p in
 132             80) listen_80=true ;;
 133             $port) listen_port=true ;;
 134         esac
 135     done
 136 done
 137
 138 if $ssl; then
 139     https_arg=" https"
 140 fi
 141
 142
 143 echo "$0: creating $vhost_file"
 144 cat >$vhost_file <<EOF
 145 <VirtualHost *:$port>
 146         ServerName $h
 147         ServerAlias www.$h
 148         DocumentRoot $root
 149 EOF
 150
 151 if [[ $extra_settings ]]; then
 152     cat -- $extra_settings >>$vhost_file
 153 fi
 154
 155 # go faster!
 156 if [[ -e /etc/apache2/mods-available/http2.load ]]; then
 157     # https://httpd.apache.org/docs/2.4/mod/mod_http2.html
 158     a2enmod http2
 159     cat >>$vhost_file <<EOF
 160         Protocols h2 http/1.1
 161 EOF
 162 fi
 163
 164 if [[ $proxy ]]; then
 165     a2enmod proxy proxy_http
 166     # fyi: trailing slash is important
 167     # reference: https://httpd.apache.org/docs/2.4/howto/reverse_proxy.html
 168     cat >>$vhost_file <<EOF
 169         ProxyPass "/"  "http://$proxy/"
 170         ProxyPassReverse "/"  "http://$proxy/"
 171 EOF
 172 fi
 173
 174
 175
 176 if $ssl; then
 177     certbot_ssl_conf=/etc/apache2/apache-site-ssl.conf
 178     cat >>$vhost_file <<EOF
 179         SSLCertificateFile $cert_dir/$h-chained.pem
 180         SSLCertificateKeyFile $cert_dir/$h-domain.key
 181         Include $certbot_ssl_conf
 182 EOF
 183
 184     # if we are using a non-standard port, setup don't setup
 185     # irrelevant 443 redirect.
 186     if [[ $port == "443" ]]; then
 187         echo "$0: creating $redir_file"
 188         cat >$redir_file <<'EOF'
 189 # vhost_combined with %D (request time in microseconds)
 190 # this file is just a convenient place to drop it.
 191 LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\" %D" vhost_time_combined
 192 <VirtualHost *:80>
 193         ServerAdmin webmaster@localhost
 194         DocumentRoot /var/www/html
 195
 196         ErrorLog ${APACHE_LOG_DIR}/error.log
 197         CustomLog ${APACHE_LOG_DIR}/httpsredir-access.log combined
 198
 199 RewriteEngine on
 200 # ian: removed so it's for all sites
 201 #RewriteCond %{SERVER_NAME} =certbot.iank.bid
 202 RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]
 203 </VirtualHost>
 204 EOF
 205         if ! $listen_80; then
 206             cat >>$redir_file <<'EOF'
 207 Listen 80
 208 EOF
 209         fi
 210     fi
 211
 212     mkdir -p /etc/letsencrypt
 213
 214     # this is from cerbot, see below.
 215     echo "$0: creating $certbot_ssl_conf"
 216     cat >$certbot_ssl_conf <<'EOF'
 217 # Baseline setting to Include for SSL sites
 218
 219 SSLEngine on
 220
 221 # Intermediate configuration, tweak to your needs
 222 SSLProtocol             all -SSLv2 -SSLv3
 223 SSLCipherSuite          ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
 224 SSLHonorCipherOrder     on
 225 SSLCompression          off
 226
 227 SSLOptions +StrictRequire
 228
 229 # Add vhost name to log entries:
 230 LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" vhost_combined
 231 LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost_common
 232
 233 #CustomLog /var/log/apache2/access.log vhost_combined
 234 #LogLevel warn
 235 #ErrorLog /var/log/apache2/error.log
 236
 237 # Always ensure Cookies have "Secure" set (JAH 2012/1)
 238 #Header edit Set-Cookie (?i)^(.*)(;\s*secure)??((\s*;)?(.*)) "$1; Secure$3$4"
 239 EOF
 240
 241     upstream=https://github.com/certbot/certbot/raw/master/certbot-apache/certbot_apache/options-ssl-apache.conf
 242     if ! diff -c <(wget -q -O - $upstream) $certbot_ssl_conf; then
 243         cat <<EOF
 244 WARNING!!!!!!!!!
 245 WARNING!!!!!!!!!
 246 WARNING!!!!!!!!!
 247 WARNING!!!!!!!!!
 248 WARNING!!!!!!!!!
 249 upstream ssl settings differ from the snapshot we have taken!!!
 250 We diffed with this command:
 251 diff -c <(wget -q -O - $upstream) $certbot_ssl_conf
 252 Update this script to take care this warning!!!!!
 253 EOF
 254         sleep 1
 255     fi
 256 fi # end if $ssl
 257
 258 cat >>$vhost_file <<EOF
 259         ErrorLog \${APACHE_LOG_DIR}/error.log
 260         CustomLog \${APACHE_LOG_DIR}/access.log vhost_time_combined
 261 </VirtualHost>
 262 EOF
 263
 264 if ! $listen_port; then
 265     # reference: https://httpd.apache.org/docs/2.4/mod/mpm_common.html#listen
 266     cat >>$vhost_file <<EOF
 267 listen ${port}${https_arg}
 268 EOF
 269 fi
 270
 271
 272 a2enmod ssl rewrite # rewrite needed for httpredir
 273 service apache2 restart
 274
 275 # I rarely look at how much traffic I get, so let's keep that info
 276 # around for longer than the default of 2 weeks.
 277 sed -ri --follow-symlinks 's/^(\s*rotate\s).*/\1 365/' /etc/logrotate.d/apache2