error_log /var/log/nginx/error.log warn;

# Default catch-all for unknown subdomains (HTTP)
server {
    listen 80 default_server;
    listen [::]:80 default_server;

    server_name _;

    root /usr/share/nginx/error-pages;
    error_page 404 /unknown-host.html;

    location / {
        return 404;
    }

    location = /unknown-host.html {
        internal;
    }
}

# Default catch-all for unknown subdomains (HTTPS)
server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2 default_server;

    server_name _;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    root /usr/share/nginx/error-pages;
    error_page 404 /unknown-host.html;

    location / {
        return 404;
    }

    location = /unknown-host.html {
        internal;
    }
}

server {
    listen 80;
    listen [::]:80;

    server_name swave.lol blog.swave.lol ghost.swave.lol jenkins.swave.lol cgit.swave.lol gerrit.swave.lol nexus.swave.lol registry.swave.lol auth.swave.lol;

    location / {
        rewrite ^ https://$host$request_uri? permanent;
    }

    #for certbot challenges (renewal process)
    location ~ /.well-known/acme-challenge {
        allow all;
        root /var/letsencrypt/lts_site;
    }
}

# Ghost — swave.lol, blog.swave.lol, ghost.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name swave.lol blog.swave.lol ghost.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;

    # Cgit static assets (css, images)
    location /cgit-css/ {
        proxy_pass http://cgit:80/cgit-css/;
    }

    # Cgit via path prefix on main domain
    # cgit generates links from virtual-root=/ so we rewrite them to /cgit/
    location /cgit {
        proxy_pass http://cgit:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # Rewrite cgit links to include /cgit prefix
        sub_filter 'href="/' 'href="/cgit/';
        sub_filter "href='/" "href='/cgit/";
        sub_filter 'action="/' 'action="/cgit/';
        sub_filter "action='/" "action='/cgit/";
        sub_filter_once off;
        sub_filter_types text/html;

        # Rewrite any redirects from cgit itself
        proxy_redirect / /cgit/;
    }


    # Gerrit — redirect to subdomain (Gerrit doesn't support subpath proxying)
    location = /gerrit {
        return 301 https://gerrit.swave.lol/;
    }
    location ~ ^/gerrit/(.*)$ {
        return 301 https://gerrit.swave.lol/$1;
    }

    # Jenkins — redirect to subdomain (strips /jenkins prefix)
    location = /jenkins {
        return 301 https://jenkins.swave.lol/;
    }
    location ~ ^/jenkins/(.*)$ {
        return 301 https://jenkins.swave.lol/$1;
    }

    # Netdata — requires Authelia login
    location = /netdata {
        return 301 /netdata/;
    }

    location /netdata/ {
        auth_request /_authelia-auth;
        auth_request_set $authelia_user $upstream_http_remote_user;
        proxy_pass http://172.24.0.2:19999/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_read_timeout 86400;
        # Prevent browser caching — ensures fresh requests always hit auth_request
        add_header Cache-Control "no-store" always;
    }

    # Nexus — no auth_request, Nexus handles its own authentication
    location /nexus {
        proxy_pass http://nexus:8081/nexus;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        client_max_body_size 1G;
    }

    # Reverse proxy to Ghost
    location / {
        proxy_pass http://ghost:2368;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Authelia forward-auth subrequest endpoint
    location = /_authelia-auth {
        internal;
        resolver 127.0.0.11 valid=30s;
        set $authelia_upstream http://authelia:9091/api/verify;
        proxy_pass $authelia_upstream;
        proxy_pass_request_body off;
        proxy_set_header Content-Length "";
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
        proxy_set_header X-Forwarded-Method $request_method;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Uri $request_uri;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    error_page 401 = @authelia_login_redirect;
    location @authelia_login_redirect {
        return 302 https://auth.swave.lol/?rd=$scheme://$http_host$request_uri;
    }
}

# Jenkins — jenkins.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name jenkins.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;

    # OIDC callback — must bypass auth_request so Jenkins can process the code/state
    location = /securityRealm/finishLogin {
        proxy_pass http://jenkins:8080/securityRealm/finishLogin;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location / {
        auth_request /_authelia-auth;
        auth_request_set $authelia_user $upstream_http_remote_user;
        proxy_pass http://jenkins:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Authelia forward-auth subrequest endpoint
    location = /_authelia-auth {
        internal;
        resolver 127.0.0.11 valid=30s;
        set $authelia_upstream http://authelia:9091/api/verify;
        proxy_pass $authelia_upstream;
        proxy_pass_request_body off;
        proxy_set_header Content-Length "";
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
        proxy_set_header X-Forwarded-Method $request_method;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Uri $request_uri;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    error_page 401 = @authelia_login_redirect;
    location @authelia_login_redirect {
        return 302 https://auth.swave.lol/?rd=$scheme://$http_host$request_uri;
    }
}

# Cgit — cgit.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name cgit.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;

    location / {
        proxy_pass http://cgit:80;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# Gerrit — gerrit.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name gerrit.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;

    # /login/ — auth_request fires here, X-Forwarded-User injected, Gerrit creates session
    location /login {
        auth_request /_authelia-auth;
        auth_request_set $authelia_user $upstream_http_remote_user;
        proxy_pass http://gerrit:8080/login;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-User $authelia_user;
        proxy_redirect http://gerrit:8080/ https://gerrit.swave.lol/;
        proxy_redirect ~^http://[^/]+/(.*)$ https://gerrit.swave.lol/$1;
    }

    # All other paths — no auth_request, anonymous access allowed, Gerrit session cookie handles login state
    location / {
        proxy_pass http://gerrit:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_redirect http://gerrit:8080/ https://gerrit.swave.lol/;
        proxy_redirect ~^http://[^/]+/(.*)$ https://gerrit.swave.lol/$1;
    }

    # Authelia forward-auth subrequest endpoint
    location = /_authelia-auth {
        internal;
        resolver 127.0.0.11 valid=30s;
        set $authelia_upstream http://authelia:9091/api/verify;
        proxy_pass $authelia_upstream;
        proxy_pass_request_body off;
        proxy_set_header Content-Length "";
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
        proxy_set_header X-Forwarded-Method $request_method;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Uri $request_uri;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    error_page 401 = @authelia_login_redirect;
    location @authelia_login_redirect {
        return 302 https://auth.swave.lol/?rd=$scheme://$http_host$request_uri;
    }
}

# Nexus — nexus.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name nexus.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;
    client_max_body_size 1G;

    location = / {
        return 302 https://$host/nexus/;
    }

    # No auth_request — Nexus handles its own authentication
    location /nexus {
        proxy_pass http://nexus:8081/nexus;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# Docker Registry — registry.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name registry.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;
    client_max_body_size 2G;
    chunked_transfer_encoding on;

    # No auth_request — Nexus handles Docker Basic Auth directly
    location / {
        proxy_pass http://nexus:5000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    error_page 401 = @authelia_login_redirect;
    location @authelia_login_redirect {
        return 302 https://auth.swave.lol/?rd=$scheme://$http_host$request_uri;
    }
}

# Authelia — auth.swave.lol
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name auth.swave.lol;

    server_tokens off;

    ssl_certificate /var/letsencrypt/etc/live/swave.lol/fullchain.pem;
    ssl_certificate_key /var/letsencrypt/etc/live/swave.lol/privkey.pem;

    ssl_buffer_size 8k;

    ssl_dhparam /etc/ssl/certs/dhparam-2048.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    ssl_ecdh_curve secp384r1;
    ssl_session_tickets off;

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8;

    charset utf-8;

    location / {
        resolver 127.0.0.11 valid=30s;
        set $authelia_upstream http://authelia:9091;
        proxy_pass $authelia_upstream;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
    }
}