# Write Server Nginx 站点配置

# HTTP -> HTTPS 重定向
server {
    listen 80;
    server_name post.usj.cc;

    # Let's Encrypt 验证
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # 其他请求重定向到 HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS 主站
server {
    listen 443 ssl http2;
    server_name post.usj.cc;

    ssl_certificate /etc/nginx/ssl/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;

    access_log /var/log/nginx/write-server-access.log;
    error_log /var/log/nginx/write-server-error.log;

    # 静态文件（登录页、Service Worker、htpasswd 验证）
    location /sw.js {
        alias /etc/nginx/sw.js;
        add_header Content-Type application/javascript;
        add_header Cache-Control "no-cache, no-store";
    }

    location /login.html {
        alias /etc/nginx/login.html;
        add_header Cache-Control "no-cache, no-store";
    }

    location /auth/check {
        auth_basic "Write Server";
        auth_basic_user_file /etc/nginx/.htpasswd;
        return 200 'ok';
        add_header Content-Type text/plain;
    }

    # Hugo 预览代理（不需要认证）
    location /preview/ {
        auth_request off;
        rewrite ^/preview/(.*)$ /$1 break;
        proxy_pass http://write-server:1313;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # 所有其他请求通过 auth_request 验证
    location / {
        auth_request /auth/internal;

        proxy_pass http://write-server:8016;
        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-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;

        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 120s;
        client_max_body_size 50m;

        error_page 401 = @login;
    }

    location = /auth/internal {
        internal;
        proxy_pass http://write-server:8016/api/stats;
        proxy_set_header Authorization $http_authorization;
        proxy_pass_request_body off;
        proxy_set_header Content-Length "";
    }

    location @login {
        internal;
        add_header WWW-Authenticate "";
        return 302 /login.html;
    }

    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}