# Redirect all HTTP traffic to HTTPS
server {
    listen 80 default_server;
    listen [::]:80 default_server;

    location / {
        return 301 https://$host$request_uri;
    }
}

# Default server
server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2 default_server;
 
    ssl_certificate         /usr/local/etc/letsencrypt/live/EXAMPLE.COM/fullchain.pem;
    ssl_certificate_key     /usr/local/etc/letsencrypt/live/EXAMPLE.COM/privkey.pem;
 
    location / {
        return 404;
    }
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    # Server Whitelist for SNI Header (Server Name Indication)
    server_name EXAMPLE.COM *.TESTSERVER.COM 10.0.0.100;

    ssl_certificate         /usr/local/etc/letsencrypt/live/EXAMPLE.COM/fullchain.pem;
    ssl_certificate_key     /usr/local/etc/letsencrypt/live/EXAMPLE.COM/privkey.pem;

    # verify chain of trust of OCSP response using Root CA and Intermediate certs
    ssl_trusted_certificate /usr/local/etc/letsencrypt/live/EXAMPLE.COM/chain.pem;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;

    # Improve HTTPS performance with session resumption
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:10m;  # about 40000 sessions
    ssl_session_tickets off;

    # only TLS 1.3 ciphers -> 100% ssllabs (cipher strength)
    ssl_protocols TLSv1.3;
    ssl_prefer_server_ciphers on;

    # curves which are equivalent of >=4096 rsa (only secp521r1 and secp384r1) -> 100% ssllabs (kex/key exchange)
    ssl_ecdh_curve secp521r1:secp384r1;

    # HSTS (ngx_http_headers_module is required)
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always; # 1 year = 31536000 seconds

    # replace with the IP address of your resolver
    #resolver 127.0.0.1;
    #resolver [2606:4700:4700::1111] 1.1.1.1 [2606:4700:4700::1001] 1.0.0.1;
    resolver 192.168.1.4 [2606:4700:4700::1111] 1.1.1.1;

    root /home/http;

    index index.html index.php doku.php;

    client_max_body_size 15M;
    client_body_buffer_size 128K;

    location /
    {
        try_files $uri $uri/ @dokuwiki;
    }

    location ^~ /conf/
    {
        return 403;
    }

    location ^~ /data/
    {
        return 403;
    }

    location ~ /\.ht
    {
        deny all;
    }

    location @dokuwiki
    {
        rewrite ^/_media/(.*)           /lib/exe/fetch.php?media=$1     last;
        rewrite ^/_detail/(.*)          /lib/exe/detail.php?media=$1    last;
        rewrite ^/_export/([^/]+)/(.*)  /doku.php?do=export_$1&id=$2    last;
        rewrite ^/(.*)                  /doku.php?id=$1                 last;
    }

    location ~ \.php$
    {
        include fastcgi_params;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

    location /cgi-bin/
    {
        include fcgiwrap_params;
        fastcgi_pass unix:/var/run/fcgiwrap.socket;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

    location ~ /cgi-bin/foto\.cgi$
    {
        auth_basic              "Multimedia";
        auth_basic_user_file    /home/etc/httpd/.htpwd_multimedia;

        include fcgiwrap_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_pass  unix:/var/run/fcgiwrap.socket;
    }
    
    location /daten/mm/oeffentlich/
    {
        auth_basic              "Multimedia";
        auth_basic_user_file    /home/etc/httpd/.htpwd_multimedia;

        autoindex on;
    }

    location /foto/
    {
        auth_basic              "Multimedia";
        auth_basic_user_file    /home/etc/httpd/.htpwd_multimedia;
    }

    location ~* ^(\/_matrix|\/_synapse\/client) {
        proxy_pass http://localhost:8008;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $host;

        # Nginx by default only allows file uploads up to 1M in size
        # Increase client_max_body_size to match max_upload_size defined in homeserver.yaml
        client_max_body_size 50M;
    }
}