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sovereign-stack/deployment/www/stub/nginx_config.sh
2022-10-19 13:15:38 -04:00

446 lines
13 KiB
Bash
Executable File

#!/bin/bash
set -eu
cd "$(dirname "$0")"
# here's the NGINX config. We support ghost and nextcloud.
NGINX_CONF_PATH="$PROJECT_PATH/nginx.conf"
# clear the existing nginx config.
echo "" > "$NGINX_CONF_PATH"
# iterate over all our domains and create the nginx config file.
iteration=0
echo "DOMAIN_LIST: $DOMAIN_LIST"
for DOMAIN_NAME in ${DOMAIN_LIST//,/ }; do
export DOMAIN_NAME="$DOMAIN_NAME"
export SITE_PATH="$SITES_PATH/$DOMAIN_NAME"
export CONTAINER_TLS_PATH="/etc/letsencrypt/${DOMAIN_NAME}/live/${DOMAIN_NAME}"
# source the site path so we know what features it has.
source ../../../reset_env.sh
source "$SITE_PATH/site_definition"
source ../../../domain_env.sh
echo "Doing DOMAIN_NAME: $DOMAIN_NAME"
if [ $iteration = 0 ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
events {
worker_connections 1024;
}
http {
client_max_body_size 100m;
server_tokens off;
# next two sets commands and connection_upgrade block come from https://docs.btcpayserver.org/FAQ/Deployment/#can-i-use-an-existing-nginx-server-as-a-reverse-proxy-with-ssl-termination
# Needed to allow very long URLs to prevent issues while signing PSBTs
server_names_hash_bucket_size 128;
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
client_header_buffer_size 500k;
large_client_header_buffers 4 500k;
# Needed websocket support (used by Ledger hardware wallets)
map \$http_upgrade \$connection_upgrade {
default upgrade;
'' close;
}
# return 403 for all non-explicit hostnames
server {
listen 80 default_server;
return 301 https://${WWW_FQDN}\$request_uri;
}
EOL
fi
# ghost http to https redirects.
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${DOMAIN_NAME} redirect to https://${WWW_FQDN}
server {
listen 80;
listen [::]:80;
server_name ${DOMAIN_NAME};
location / {
# request MAY get another redirect at https://domain.tld for www.
return 301 https://${DOMAIN_NAME}\$request_uri;
}
}
EOL
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${WWW_FQDN} redirect to https://${WWW_FQDN}
server {
listen 80;
listen [::]:80;
server_name ${WWW_FQDN};
return 301 https://${WWW_FQDN}\$request_uri;
}
EOL
# nextcloud http-to-https redirect
if [ "$DEPLOY_NEXTCLOUD" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${NEXTCLOUD_FQDN} redirect to https://${NEXTCLOUD_FQDN}
server {
listen 80;
listen [::]:80;
server_name ${NEXTCLOUD_FQDN};
return 301 https://${NEXTCLOUD_FQDN}\$request_uri;
}
EOL
fi
# gitea http to https redirect.
if [ "$DEPLOY_GITEA" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${GITEA_FQDN} redirect to https://${GITEA_FQDN}
server {
listen 80;
listen [::]:80;
server_name ${GITEA_FQDN};
return 301 https://${GITEA_FQDN}\$request_uri;
}
EOL
fi
# REDIRECT FOR BTCPAY_USER_FQDN
if [ "$VPS_HOSTING_TARGET" = lxd ]; then
# gitea http to https redirect.
if [ "$DEPLOY_BTCPAY_SERVER" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${BTCPAY_USER_FQDN} redirect to https://${BTCPAY_USER_FQDN}
server {
listen 80;
listen [::]:80;
server_name ${BTCPAY_USER_FQDN};
return 301 https://${BTCPAY_USER_FQDN}\$request_uri;
}
EOL
fi
fi
if [ "$iteration" = 0 ]; then
# TLS config for ghost.
cat >>"$NGINX_CONF_PATH" <<EOL
# global TLS settings
ssl_prefer_server_ciphers on;
ssl_protocols TLSv1.3;
ssl_session_timeout 1d;
ssl_session_cache shared:MozSSL:10m; # about 40000 sessions
ssl_session_tickets off;
add_header Strict-Transport-Security "max-age=63072000" always;
ssl_stapling on;
ssl_stapling_verify on;
resolver 198.54.117.10;
# TODO change resolver to local DNS resolver, or inherit from system.
# default server if hostname not specified.
server {
listen 443 default_server;
ssl_certificate $CONTAINER_TLS_PATH/fullchain.pem;
ssl_certificate_key $CONTAINER_TLS_PATH/privkey.pem;
ssl_trusted_certificate $CONTAINER_TLS_PATH/fullchain.pem;
return 403;
}
# maybe helps with Twitter cards.
#map \$http_user_agent \$og_prefix {
# ~*(googlebot|twitterbot)/ /open-graph;
#}
# this map allows us to route the clients request to the correct Ghost instance
# based on the clients browser language setting.
map \$http_accept_language \$lang {
default "";
~es es;
}
EOL
fi
cat >>"$NGINX_CONF_PATH" <<EOL
# https://${DOMAIN_NAME} redirect to https://${WWW_FQDN}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate $CONTAINER_TLS_PATH/fullchain.pem;
ssl_certificate_key $CONTAINER_TLS_PATH/privkey.pem;
ssl_trusted_certificate $CONTAINER_TLS_PATH/fullchain.pem;
server_name ${DOMAIN_NAME};
# catch all; send request to ${WWW_FQDN}
location / {
return 301 https://${WWW_FQDN}\$request_uri;
}
EOL
if [ "$DEPLOY_NOSTR_RELAY" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# We return a JSON object with name/pubkey mapping per NIP05.
# https://www.reddit.com/r/nostr/comments/rrzk76/nip05_mapping_usernames_to_dns_domains_by_fiatjaf/sssss
# TODO I'm not sure about the security of this Access-Control-Allow-Origin. Read up and restrict it if possible.
location = /.well-known/nostr.json {
add_header Content-Type application/json;
add_header Access-Control-Allow-Origin *;
return 200 '{ "names": { "_": "${NOSTR_ACCOUNT_PUBKEY}" } }';
}
EOL
fi
cat >>"$NGINX_CONF_PATH" <<EOL
}
#access_log /var/log/nginx/ghost-access.log;
#error_log /var/log/nginx/ghost-error.log;
EOL
# SERVER block for BTCPAY Server
if [ "$VPS_HOSTING_TARGET" = lxd ]; then
if [ "$DEPLOY_BTCPAY_SERVER" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# http://${BTCPAY_USER_FQDN} redirect to https://${BTCPAY_USER_FQDN}
server {
listen 443 ssl http2;
ssl_certificate $CONTAINER_TLS_PATH/fullchain.pem;
ssl_certificate_key $CONTAINER_TLS_PATH/privkey.pem;
ssl_trusted_certificate $CONTAINER_TLS_PATH/fullchain.pem;
server_name ${BTCPAY_USER_FQDN};
# Route everything to the real BTCPay server
location / {
# URL of BTCPay Server
proxy_pass http://10.139.144.10:80;
proxy_set_header Host \$http_host;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
# For websockets (used by Ledger hardware wallets)
proxy_set_header Upgrade \$http_upgrade;
}
}
EOL
fi
fi
echo " # set up cache paths for nginx caching" >>"$NGINX_CONF_PATH"
for LANGUAGE_CODE in ${SITE_LANGUAGE_CODES//,/ }; do
STACK_NAME="$DOMAIN_IDENTIFIER-$LANGUAGE_CODE"
cat >>"$NGINX_CONF_PATH" <<EOL
proxy_cache_path /tmp/${STACK_NAME} levels=1:2 keys_zone=${STACK_NAME}:600m max_size=100m inactive=24h;
EOL
done
# the open server block for the HTTPS listener for ghost
cat >>"$NGINX_CONF_PATH" <<EOL
# Main HTTPS listener for https://${WWW_FQDN}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate $CONTAINER_TLS_PATH/fullchain.pem;
ssl_certificate_key $CONTAINER_TLS_PATH/privkey.pem;
ssl_trusted_certificate $CONTAINER_TLS_PATH/fullchain.pem;
server_name ${WWW_FQDN};
# Set the crawler policy.
location = /robots.txt {
add_header Content-Type text/plain;
return 200 "User-Agent: *\\nAllow: /\\n";
}
EOL
# # add the Onion-Location header if specifed.
# if [ "$DEPLOY_ONION_SITE" = true ]; then
# cat >>"$NGINX_CONF_PATH" <<EOL
# add_header Onion-Location https://${ONION_ADDRESS}\$request_uri;
# EOL
# fi
for LANGUAGE_CODE in ${SITE_LANGUAGE_CODES//,/ }; do
STACK_NAME="$DOMAIN_IDENTIFIER-$LANGUAGE_CODE"
if [ "$LANGUAGE_CODE" = en ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
location ~ ^/(ghost/|p/|private/) {
EOL
else
cat >>"$NGINX_CONF_PATH" <<EOL
location ~ ^/${LANGUAGE_CODE}/(ghost/|p/|private/) {
EOL
fi
cat >>"$NGINX_CONF_PATH" <<EOL
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header Host \$http_host;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_intercept_errors on;
proxy_pass http://ghost-${STACK_NAME}:2368;
}
EOL
done
ROOT_SITE_LANGUAGE_CODES="$SITE_LANGUAGE_CODES"
for LANGUAGE_CODE in ${ROOT_SITE_LANGUAGE_CODES//,/ }; do
cat >>"$NGINX_CONF_PATH" <<EOL
# Location block to back https://${WWW_FQDN}/${LANGUAGE_CODE} or https://${WWW_FQDN}/ if english.
EOL
if [ "$LANGUAGE_CODE" = en ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
location / {
EOL
if (( "$LANGUAGE_CODE_COUNT" > 1 )); then
# we only need this clause if we know there is more than once lanuage being rendered.
cat >>"$NGINX_CONF_PATH" <<EOL
# Redirect the user to the correct language using the map above.
if ( \$http_accept_language !~* '^en(.*)\$' ) {
#rewrite (.*) \$1/\$lang;
return 302 https://${WWW_FQDN}/\$lang;
}
EOL
fi
else
cat >>"$NGINX_CONF_PATH" <<EOL
location /${LANGUAGE_CODE} {
EOL
fi
cat >>"$NGINX_CONF_PATH" <<EOL
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header Host \$http_host;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_intercept_errors on;
proxy_pass http://ghost-${DOMAIN_IDENTIFIER}-${LANGUAGE_CODE}:2368;
# https://stanislas.blog/2019/08/ghost-nginx-cache/ for nginx caching instructions
# Remove cookies which are useless for anonymous visitor and prevent caching
proxy_ignore_headers Set-Cookie Cache-Control;
proxy_hide_header Set-Cookie;
# Add header for cache status (miss or hit)
add_header X-Cache-Status \$upstream_cache_status;
proxy_cache ${DOMAIN_IDENTIFIER}-${LANGUAGE_CODE};
# Default TTL: 1 day
proxy_cache_valid 5s;
# Cache 404 pages for 1h
proxy_cache_valid 404 1h;
# use conditional GET requests to refresh the content from origin servers
proxy_cache_revalidate on;
proxy_buffering on;
# Allows starting a background subrequest to update an expired cache item,
# while a stale cached response is returned to the client.
proxy_cache_background_update on;
# Bypass cache for errors
proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504;
}
EOL
done
# this is the closing server block for the ghost HTTPS segment
cat >>"$NGINX_CONF_PATH" <<EOL
}
EOL
# TODO this MIGHT be part of the solution for Twitter Cards.
# location /contents {
# resolver 127.0.0.11 ipv6=off valid=5m;
# proxy_set_header X-Real-IP \$remote_addr;
# proxy_set_header Host \$http_host;
# proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
# proxy_set_header X-Forwarded-Proto \$scheme;
# proxy_intercept_errors on;
# proxy_pass http://ghost-${DOMAIN_IDENTIFIER}-${SITE_LANGUAGE_CODES}::2368\$og_prefix\$request_uri;
# }
# this piece is for GITEA.
if [ "$DEPLOY_GITEA" = true ]; then
cat >>"$NGINX_CONF_PATH" <<EOL
# TLS listener for ${GITEA_FQDN}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate $CONTAINER_TLS_PATH/fullchain.pem;
ssl_certificate_key $CONTAINER_TLS_PATH/privkey.pem;
ssl_trusted_certificate $CONTAINER_TLS_PATH/fullchain.pem;
server_name ${GITEA_FQDN};
location / {
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 64;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header Host \$host;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_set_header X-NginX-Proxy true;
proxy_pass http://gitea-${DOMAIN_IDENTIFIER}-en:3000;
}
}
EOL
fi
iteration=$((iteration+1))
done
# add the closing brace.
cat >>"$NGINX_CONF_PATH" <<EOL
}
EOL