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 usage() {
  22     cat <<EOF
  23 Usage: ${0##*/} [OPTIONS] [EXTRA_SETTINGS_FILE] DOMAIN
  24 Setup apache virtualhost config with https using
  25 ssl config provided by let's encrypt and my standard
  26 location for storing certs.
  27
  28 EXTRA_SETTINGS_FILE can be - for stdin
  29 -c CERT_DIR       In priority: this arg, $ACME_TINY_WRAPPER_CERT_DIR,
  30                   $HOME/webservercerts, if the other options aren't set.
  31 -f [ADDR:]PORT    Enable proxy to [ADDR:]PORT. ADDR default is 127.0.0.1
  32 -i                Insecure, no ssl
  33 -p PORT           Main port to listen on, default 443
  34 -r                DocumentRoot
  35 -h|--help         Print help and exit
  36
  37 Note: Uses GNU getopt options parsing style
  38 EOF
  39     exit $1
  40 }
  41
  42 ##### begin command line parsing ########
  43
  44 cert_dir="$ACME_TINY_WRAPPER_CERT_DIR"
  45 if [[ ! $cert_dir ]]; then
  46     cert_dir=$HOME/webservercerts
  47 fi
  48 ssl=true
  49 extra_settings=
  50 port=443
  51 temp=$(getopt -l help ic:f:p:r:h "$@") || usage 1
  52 eval set -- "$temp"
  53 while true; do
  54     case $1 in
  55         -c) cert_dir="$2"; shift 2 ;;
  56         -f) proxy="$2"; shift 2 ;;
  57         -i) ssl=false; shift ;;
  58         -p) port="$2"; shift 2 ;;
  59         -r) root="$2"; shift 2 ;;
  60         --) shift; break ;;
  61         -h|--help) usage ;;
  62         *) echo "$0: Internal error!" ; exit 1 ;;
  63     esac
  64 done
  65
  66 if (( ${#@} == 2 )); then
  67     read -r extra_settings h <<<"${@}"
  68 else
  69     read -r h <<<"${@}"
  70 fi
  71
  72 if [[ ! $h ]]; then
  73     echo "$0: error: expected domain arg"
  74     usage 1
  75 fi
  76
  77 if [[ ! $root ]]; then
  78     root=/var/www/$h/html
  79 fi
  80
  81 if [[ $proxy ]]; then
  82     [[ $proxy == *:* ]] || proxy=127.0.0.1:$proxy
  83 fi
  84
  85
  86 ##### end command line parsing ########
  87
  88 # taken from the let's encrypt generated site, using
  89 # ./certbot-auto --apache (should use the test mode to check if there are updates)
  90 # on 5/29/2016
  91
  92 # I could have also used the mozilla generator this, but it had some open issues
  93 # with no response
  94 # so I figured I would check out let's encrypt.
  95 # It's a little more liberal, but still get's an A in ssl labs,
  96 # so, meh, I'll use it.
  97 # https://mozilla.github.io/server-side-tls/ssl-config-generator/
  98
  99
 100 rm -f /etc/apache2/sites-enabled/000-default.conf
 101
 102 mkdir -p $root
 103 vhost_file=/etc/apache2/sites-enabled/$h.conf
 104 redir_file=/etc/apache2/sites-enabled/httpsredir.conf
 105
 106 # note, we exepct ServerRoot of /etc/apache2
 107 # apache requires exactly 1 listen directive per port (when no ip is also given),
 108 # so we have to parse the config to do it programatically.
 109 listen_80=false
 110 listen_port=false
 111 cd /etc/apache2
 112 conf_files=(apache2.conf)
 113 for (( i=0; i < ${#conf_files[@]}; i++ )); do
 114     f="${conf_files[i]}"
 115     # note: globs are expanded here:
 116     conf_files+=( $(sed -rn "s,^\s*Include(Optional)?\s+(\S+).*,\2,p" "$f") )
 117     case $(readlink -f "$f") in
 118         $vhost_file|$redir_file) continue ;;
 119     esac
 120     for p in $(sed -rn "s,^\s*listen\s+(\S+).*,\1,Ip" "$f"); do
 121         case $p in
 122             80) listen_80=true ;;
 123             $port) listen_port=true ;;
 124         esac
 125     done
 126 done
 127
 128 if $ssl; then
 129     https_arg=" https"
 130 fi
 131
 132
 133 echo "$0: creating $vhost_file"
 134 cat >$vhost_file <<EOF
 135 <VirtualHost *:$port>
 136         ServerName $h
 137         ServerAlias www.$h
 138         DocumentRoot $root
 139 EOF
 140
 141 if [[ $extra_settings ]]; then
 142     cat -- $extra_settings >>$vhost_file
 143 fi
 144
 145 # go faster!
 146 if [[ -e /etc/apache2/mods-available/http2.load ]]; then
 147     # https://httpd.apache.org/docs/2.4/mod/mod_http2.html
 148     a2enmod http2
 149     cat >>$vhost_file <<EOF
 150         Protocols h2 http/1.1
 151 EOF
 152 fi
 153
 154 if [[ $proxy ]]; then
 155     a2enmod proxy proxy_http
 156     # fyi: trailing slash is important
 157     # reference: https://httpd.apache.org/docs/2.4/howto/reverse_proxy.html
 158     cat >>$vhost_file <<EOF
 159         ProxyPass "/"  "http://$proxy/"
 160         ProxyPassReverse "/"  "http://$proxy/"
 161 EOF
 162 fi
 163
 164 if $ssl; then
 165     certbot_ssl_conf=/etc/letsencrypt/options-ssl-apache.conf
 166     cat >>$vhost_file <<EOF
 167         SSLCertificateFile $cert_dir/$h-chained.pem
 168         SSLCertificateKeyFile $cert_dir/$h-domain.key
 169         Include $certbot_ssl_conf
 170 EOF
 171
 172     # if we are using a non-standard port, setup don't setup
 173     # irrelevant 443 redirect.
 174     if [[ $port == "443" ]]; then
 175         echo "$0: creating $redir_file"
 176         cat >$redir_file <<'EOF'
 177 # vhost_combined with %D (request time in microseconds)
 178 # this file is just a convenient place to drop it.
 179 LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\" %D" vhost_time_combined
 180 <VirtualHost *:80>
 181         ServerAdmin webmaster@localhost
 182         DocumentRoot /var/www/html
 183
 184         ErrorLog ${APACHE_LOG_DIR}/error.log
 185         CustomLog ${APACHE_LOG_DIR}/httpsredir-access.log combined
 186
 187 RewriteEngine on
 188 # ian: removed so it's for all sites
 189 #RewriteCond %{SERVER_NAME} =certbot.iank.bid
 190 RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]
 191 </VirtualHost>
 192 EOF
 193         if ! $listen_80; then
 194             cat >>$redir_file <<'EOF'
 195 Listen 80
 196 EOF
 197         fi
 198     fi
 199
 200     mkdir -p /etc/letsencrypt
 201
 202     # this is from cerbot, see below.
 203     echo "$0: creating $certbot_ssl_conf"
 204     cat >$certbot_ssl_conf <<'EOF'
 205 # Baseline setting to Include for SSL sites
 206
 207 SSLEngine on
 208
 209 # Intermediate configuration, tweak to your needs
 210 SSLProtocol             all -SSLv2 -SSLv3
 211 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
 212 SSLHonorCipherOrder     on
 213 SSLCompression          off
 214
 215 SSLOptions +StrictRequire
 216
 217 # Add vhost name to log entries:
 218 LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" vhost_combined
 219 LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost_common
 220
 221 #CustomLog /var/log/apache2/access.log vhost_combined
 222 #LogLevel warn
 223 #ErrorLog /var/log/apache2/error.log
 224
 225 # Always ensure Cookies have "Secure" set (JAH 2012/1)
 226 #Header edit Set-Cookie (?i)^(.*)(;\s*secure)??((\s*;)?(.*)) "$1; Secure$3$4"
 227 EOF
 228
 229     upstream=https://github.com/certbot/certbot/raw/master/certbot-apache/certbot_apache/options-ssl-apache.conf
 230     if ! diff -c <(wget -q -O - $upstream) $certbot_ssl_conf; then
 231         cat <<EOF
 232 WARNING!!!!!!!!!
 233 WARNING!!!!!!!!!
 234 WARNING!!!!!!!!!
 235 WARNING!!!!!!!!!
 236 WARNING!!!!!!!!!
 237 upstream ssl settings differ from the snapshot we have taken!!!
 238 We diffed with this command:
 239 diff -c <(wget -q -O - $upstream) $certbot_ssl_conf
 240 Update this script to take care this warning!!!!!
 241 EOF
 242         sleep 1
 243     fi
 244 fi
 245 cat >>$vhost_file <<EOF
 246         ErrorLog \${APACHE_LOG_DIR}/error.log
 247         CustomLog \${APACHE_LOG_DIR}/access.log vhost_time_combined
 248 </VirtualHost>
 249 EOF
 250
 251 if ! $listen_port; then
 252     # reference: https://httpd.apache.org/docs/2.4/mod/mpm_common.html#listen
 253     cat >>$vhost_file <<EOF
 254 listen ${port}${https_arg}
 255 EOF
 256 fi
 257
 258
 259 a2enmod ssl rewrite # rewrite needed for httpredir
 260 service apache2 restart
 261
 262 # I rarely look at how much traffic I get, so let's keep that info
 263 # around for longer than the default of 2 weeks.
 264 sed -ri --follow-symlinks 's/^(\s*rotate\s).*/\1 365/' /etc/logrotate.d/apache2