[TOOLS][SSL] Added bin/boostrap_certificates.sh, allowing for easy configuration of SSL certificates with Let's Encrypt

docker/nginx/nginx.conf

@@ -0,0 +1,90 @@
+server {
+
+    listen [::]:80;
+    listen 80;
+
+    server_name %hostname%;
+
+    # redirect all traffic to HTTPS
+    rewrite ^ https://$host$request_uri? permanent;
+}
+
+server {
+
+    include ssl-common.conf
+
+    root /var/www/social/public;
+
+    # Server name
+    server_name %hostname%;
+
+    # Index
+    index index.php;
+
+    # X-Accel/X-Sendfile. Still needs to be enabled in the config
+    location /file {
+        internal;
+        root /var/www/social;
+    }
+
+    # PHP
+    location ~ ^/(index|install)\.php(/.*)?$ {
+        include fastcgi_params;
+
+        fastcgi_split_path_info ^(.+?\.php)(/.*)$;
+        set $path_info $fastcgi_path_info;
+        try_files $fastcgi_script_name =404;
+
+        fastcgi_pass php:9000;
+        fastcgi_index index.php;
+
+        fastcgi_param PATH_INFO $path_info;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+    }
+
+    # Don't allow any PHP file other than index.php to be executed
+    # This will ensure that nor config.php nor plugin files with eventual hardcoded security information are downloadable
+    # And this is better than allowing php files to be executed in case of forgotten `if (!defined('GNUSOCIAL')) { exit(1); }`
+    location ~ \.php$ {
+        deny all;
+    }
+
+    # Location
+    location / {
+        try_files $uri $uri/ @index_handler;
+    }
+
+    # Fancy URLs
+    error_page 404 @index_handler;
+    location @index_handler {
+        rewrite ^(.*)$ /index.php?p=$1 last;
+    }
+
+    # Restrict access that is unnecessary anyway
+    location ~ /\.(ht|git) {
+        deny all;
+    }
+
+#
+# Hardening (optional)
+#
+    add_header Strict-Transport-Security "max-age=15768000; preload;";
+    add_header X-Content-Type-Options nosniff;
+    add_header Referrer-Policy strict-origin-when-cross-origin;
+    add_header Content-Security-Policy "default-src 'self' 'unsafe-inline'; frame-ancestors 'self'; form-action 'self'; style-src 'self' 'unsafe-inline'; img-src * blob: data:;";
+    add_header X-Permitted-Cross-Domain-Policies none;
+    add_header X-Robots-Tag all; # Not really hardening, just here for strictness purposes
+
+    client_max_body_size 15M;
+    client_body_buffer_size 128k;
+    gzip_vary on;
+
+    location ~* \.(?:css|js|woff|svg|gif|png|webp|ttf|ico|jpe?g)$ {
+        gzip on;
+        gzip_comp_level 4;
+        add_header Cache-Control "public";
+        expires 30d;
+        access_log off;
+        log_not_found off;
+    }
+}

docker/nginx/ssl-common.conf

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+
+listen [::]:443 ssl http2;
+listen 443 ssl http2;
+
+ssl_certificate /etc/letsencrypt/live/hsal.es/fullchain.pem;
+ssl_certificate_key /etc/letsencrypt/live/hsal.es/privkey.pem;
+
+# Let's Encrypt best practices
+include /etc/letsencrypt/options-ssl-nginx.conf;
+ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;