# 天远数据 - www.tianyuandb.com 完整配置（含 SEO 爬虫检测）
# 使用前请将 public/seo-templates 上传到服务器：/www/sites/www.tianyuandb.com/index/seo-templates/
# 生成 tianyuandb 用模板：SEO_BASE_URL=https://www.tianyuandb.com node generate-seo-templates.cjs

server {
    listen 80;
    listen 443 ssl http2;
    server_name www.tianyuandb.com tianyuandb.com;
    index index.php index.html index.htm default.php default.htm default.html;
    root /www/sites/www.tianyuandb.com/index;

    # ========== SEO 爬虫检测与模板映射（请勿删除） ==========
    set $is_crawler 0;
    if ($http_user_agent ~* "baiduspider|baiduspider-mobile|baiduspider-image|baiduspider-video|baiduspider-news|baiduboxapp") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "googlebot|googlebot-image|googlebot-news|googlebot-mobile|googlebot-video|google-web-snippet") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "bingbot|msnbot") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "360spider|soha-agent|haosouspider") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "sogou spider|sogou news spider|sogou orion spider|sogou-blog") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "slurp|sosospider|sosoimagespider|youdaobot|yodaobot") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "bytedance-spider|toutiaospider") {
        set $is_crawler 1;
    }
    if ($http_user_agent ~* "facebookexternalhit|facebookcatalog|twitterbot|linkedinbot|whatsapp|telegrambot|viber|line") {
        set $is_crawler 1;
    }

    set $seo_file index.html;
    if ($uri = '/') { set $seo_file index.html; }
    if ($uri = '/historyQuery') { set $seo_file historyQuery.html; }
    if ($uri = '/agent') { set $seo_file agent.html; }
    if ($uri = '/agent/promote') { set $seo_file agent-promote.html; }
    if ($uri = '/agent/invitation') { set $seo_file agent-invitation.html; }
    if ($uri = '/help') { set $seo_file help.html; }
    if ($uri = '/help/guide') { set $seo_file help-guide.html; }
    if ($uri = '/example') { set $seo_file example.html; }
    if ($uri = '/service') { set $seo_file service.html; }
    if ($uri = '/inquire/personalData') { set $seo_file inquire-personalData.html; }
    if ($uri = '/inquire/companyinfo') { set $seo_file inquire-companyinfo.html; }
    if ($uri = '/inquire/preloanbackgroundcheck') { set $seo_file inquire-preloanbackgroundcheck.html; }
    if ($uri = '/inquire/marriage') { set $seo_file inquire-marriage.html; }
    if ($uri = '/inquire/backgroundcheck') { set $seo_file inquire-backgroundcheck.html; }
    if ($uri = '/inquire/homeservice') { set $seo_file inquire-homeservice.html; }
    # ========== SEO 配置结束 ==========

    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Host $server_name;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;

    access_log /www/sites/www.tianyuandb.com/log/access.log main;
    error_log /www/sites/www.tianyuandb.com/log/error.log;

    location ^~ /.well-known/acme-challenge {
        allow all;
        root /usr/share/nginx/html;
    }

    # SEO：爬虫访问时返回静态 HTML 模板
    location /seo-templates/ {
        internal;
        add_header Content-Type "text/html; charset=utf-8";
        add_header X-SEOMiddleware "nginx-prerendered";
    }

    location / {
        if ($is_crawler = 1) {
            rewrite ^ /seo-templates/$seo_file break;
        }
        try_files $uri $uri/ /index.html;
    }

    location /api/v1 {
        proxy_pass http://127.0.0.1:21004;
        proxy_set_header Host 127.0.0.1:$server_port;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header REMOTE-HOST $remote_addr;
        add_header X-Cache $upstream_cache_status;
        proxy_set_header X-Host $host:$server_port;
        proxy_set_header X-Scheme $scheme;
        proxy_connect_timeout 30s;
        proxy_read_timeout 86400s;
        proxy_send_timeout 30s;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    location ^~ /api/v1/chat {
        resolver 8.8.8.8 114.114.114.114 valid=10s;
        resolver_timeout 5s;
        set $backend "chat.guimiaokeji.com";
        rewrite ^/api/v1/(.*)$ /$1 break;
        proxy_pass https://$backend;
        proxy_set_header Host $backend;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_http_version 1.1;
        add_header X-Cache $upstream_cache_status;
        add_header Cache-Control no-cache;
        proxy_ssl_server_name off;
        proxy_buffering off;
    }

    error_page 404 /404.html;
    add_header Strict-Transport-Security "max-age=31536000";
    include /www/sites/www.tianyuandb.com/redirect/*.conf;

    if ($scheme = http) {
        return 301 https://$host$request_uri;
    }

    ssl_certificate /www/sites/www.tianyuandb.com/ssl/fullchain.pem;
    ssl_certificate_key /www/sites/www.tianyuandb.com/ssl/privkey.pem;
    ssl_protocols TLSv1.3 TLSv1.2 TLSv1.1 TLSv1;
    ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:!aNULL:!eNULL:!EXPORT:!DSS:!DES:!RC4:!3DES:!MD5:!PSK:!KRB5:!SRP:!CAMELLIA:!SEED;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    error_page 497 https://$host$request_uri;
    proxy_set_header X-Forwarded-Proto https;
}