---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  namespace: nextcloud
  labels:
    app.kubernetes.io/name: nginx
    app.kubernetes.io/part-of: nextcloud
    app.kubernetes.io/component: proxy
data:
  # Config adapted from https://docs.nextcloud.com/server/21/admin_manual/installation/nginx.html?highlight=nginx#nextcloud-in-the-webroot-of-nginx
  nginx.conf: |
    worker_processes auto;
    
    error_log  /var/log/nginx/error.log warn;
    pid        /var/run/nginx.pid;
    
    
    events {
        worker_connections  1024;
    }
    
    
    http {
        include       /etc/nginx/mime.types;
        default_type  application/octet-stream;
    
        log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                          '$status $body_bytes_sent "$http_referer" '
                          '"$http_user_agent" "$http_x_forwarded_for"';
    
        access_log  /var/log/nginx/access.log  main;
    
        sendfile        on;
        #tcp_nopush     on;
    
        keepalive_timeout  65;
       
        #gzip  on;
    
        # Enable metrics reporting
        server {
            listen 127.0.0.1:8080;
            location = /stub_status {
                stub_status;
                access_log off;
            }
        }
        
        upstream php-handler {
            server phpfpm.nextcloud.svc:9000;
        }
        
        server {
            listen 80;

            # set max upload size
            client_max_body_size 10G;
            fastcgi_buffers 64 4K;
    
            # Enable gzip but do not remove ETag headers
            gzip on;
            gzip_vary on;
            gzip_comp_level 4;
            gzip_min_length 256;
            gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
            gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;

            # Pagespeed is not supported by Nextcloud, so if your server is built
            # with the `ngx_pagespeed` module, uncomment this line to disable it.
            #pagespeed off;

            # Add headers to serve security related headers
            # Before enabling Strict-Transport-Security headers please read into this
            # topic first.
            add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
            
            # WARNING: Only add the preload option once you read about
            # the consequences in https://hstspreload.org/. This option
            # will add the domain to a hardcoded list that is shipped
            # in all major browsers and getting removed from this list
            # could take several months.
            add_header Referrer-Policy "no-referrer" always;
            add_header X-Content-Type-Options "nosniff" always;
            add_header X-Download-Options "noopen" always;
            add_header X-Frame-Options "SAMEORIGIN" always;
            add_header X-Permitted-Cross-Domain-Policies "none" always;
            add_header X-Robots-Tag "none" always;
            add_header X-XSS-Protection "1; mode=block" always;
    
            # Remove X-Powered-By, which is an information leak
            fastcgi_hide_header X-Powered-By;
    
            root /var/www/html;

            index index.php index.html /index.php$request_uri;

            # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
            location = / {
                if ( $http_user_agent ~ ^DavClnt ) {
                    return 302 /remote.php/webdav/$is_args$args;
                }
            }
    
            location = /robots.txt {
                allow all;
                log_not_found off;
                access_log off;
            }

            #include locations/pzptg.conf;
    
            # Make a regex exception for `/.well-known` so that clients can still
            # access it despite the existence of the regex rule
            # `location ~ /(\.|autotest|...)` which would otherwise handle requests
            # for `/.well-known`.
            location ^~ /.well-known {
                # The rules in this block are an adaptation of the rules
                # in `.htaccess` that concern `/.well-known`.

                location = /.well-known/carddav { return 301 /remote.php/dav/; }
                location = /.well-known/caldav  { return 301 /remote.php/dav/; }

                location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
                location /.well-known/pki-validation    { try_files $uri $uri/ =404; }

                # Let Nextcloud's API for `/.well-known` URIs handle all other
                # requests by passing them to the front-end controller.
                return 301 /index.php$request_uri;
            }

            # Rules borrowed from `.htaccess` to hide certain paths from clients
            location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)  { return 404; }
            location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console)                { return 404; }
    
            # Ensure this block, which passes PHP files to the PHP process, is above the blocks
            # which handle static assets (as seen below). If this block is not declared first,
            # then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
            # to the URI, resulting in a HTTP 500 error response.
            location ~ \.php(?:$|/) {
                fastcgi_split_path_info ^(.+?\.php)(/.*)$;
                set $path_info $fastcgi_path_info;

                try_files $fastcgi_script_name =404;

                include fastcgi_params;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_param PATH_INFO $path_info;
                fastcgi_param HTTPS on;

                fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
                fastcgi_param front_controller_active true;     # Enable pretty urls
                fastcgi_pass php-handler;

                fastcgi_intercept_errors on;
                fastcgi_request_buffering off;
            }

            location ~ \.(?:css|js|svg|gif|png|jpg|ico)$ {
                try_files $uri /index.php$request_uri;
                expires 6M;         # Cache-Control policy borrowed from `.htaccess`
                access_log off;     # Optional: Don't log access to assets
            }

            location ~ \.woff2?$ {
                try_files $uri /index.php$request_uri;
                expires 7d;         # Cache-Control policy borrowed from `.htaccess`
                access_log off;     # Optional: Don't log access to assets
            }

            # Rule borrowed from `.htaccess`
            location /remote {
                return 301 /remote.php$request_uri;
            }

            location / {
                try_files $uri $uri/ /index.php$request_uri;
            }
        }
    }
