openapi/nginx/openapi.rrrosmontis.icu.conf

# openapi.rrrosmontis.icu 统一入口（原 api/pixiv/apixiv.bu4.ren 合并）
# /pixiv/ /bilibili/ -> openapi 聚合层 127.0.0.1:9008 (main.py)
# /img-master/ /img-original/ -> i.pximg.net 图片反代（原 apixiv.bu4.ren 逻辑，方案二）
#   2026-09-02 补 /img-original/：App API 原图 URL 为 /img-original/ 前缀，此前未配置导致 404

proxy_cache_path /var/cache/nginx/openapi_img_cache levels=1:2 keys_zone=openapi_img_cache:20m inactive=1d max_size=5g;

server {
    listen 80;
    listen [::]:80;
    server_name openapi.rrrosmontis.icu;
    location /.well-known/acme-challenge/ {
        root /var/www/acme;
    }
    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl http2;
    server_name openapi.rrrosmontis.icu;

    ssl_certificate    /home/openapi/cert/openapi.rrrosmontis.icu/fullchain.pem;
    ssl_certificate_key    /home/openapi/cert/openapi.rrrosmontis.icu/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    add_header Strict-Transport-Security "max-age=31536000";
    error_page 497 https://$host$request_uri;

    # ---- 按 IP 限流（轻防滥用档，2026-09-23）：10r/s burst 20、并发连接 10，超出 429 ----
    limit_req zone=perip_req burst=20 nodelay;
    limit_conn perip 10;

    resolver 8.8.8.8 1.1.1.1 ipv6=off valid=300s;

    # ---- 图片反代 i.pximg.net（原 apixiv.bu4.ren 逻辑，路径前缀 /img-master/）----
    location ^~ /img-master/ {
        set $backend i.pximg.net;
        proxy_pass https://$backend$request_uri;

        proxy_set_header Host i.pximg.net;
        proxy_set_header User-Agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36";
        proxy_set_header Referer "https://www.pixiv.net/";

        proxy_ssl_server_name on;
        proxy_ssl_name i.pximg.net;

        proxy_connect_timeout 10s;
        proxy_read_timeout 300s;

        proxy_cache openapi_img_cache;
        proxy_cache_valid 200 7d;
        proxy_cache_valid 404 5m;
        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
        proxy_cache_lock on;
        proxy_cache_key "$scheme$proxy_host$request_uri";

        add_header X-Cache-Status $upstream_cache_status;
    }

    # ---- 图片反代 i.pximg.net（/img-original/，App API 原图路径，2026-09-02 补）----
    location ^~ /img-original/ {
        set $backend i.pximg.net;
        proxy_pass https://$backend$request_uri;

        proxy_set_header Host i.pximg.net;
        proxy_set_header User-Agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36";
        proxy_set_header Referer "https://www.pixiv.net/";

        proxy_ssl_server_name on;
        proxy_ssl_name i.pximg.net;

        proxy_connect_timeout 10s;
        proxy_read_timeout 300s;

        proxy_cache openapi_img_cache;
        proxy_cache_valid 200 7d;
        proxy_cache_valid 404 5m;
        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
        proxy_cache_lock on;
        proxy_cache_key "$scheme$proxy_host$request_uri";

        add_header X-Cache-Status $upstream_cache_status;
    }

    # ---- pixiv（openapi 聚合层 /pixiv/get_image）----
    location ^~ /pixiv/ {
        proxy_pass http://127.0.0.1:9008;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Real-Port $remote_port;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_connect_timeout 60s;
        proxy_send_timeout 600s;
        proxy_read_timeout 600s;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }

    # ---- bilibili（openapi 聚合层 /bilibili/get_video）----
    location ^~ /bilibili/ {
        proxy_pass http://127.0.0.1:9008;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Real-Port $remote_port;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_connect_timeout 60s;
        proxy_send_timeout 600s;
        proxy_read_timeout 600s;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }

    # ---- 其余（根路径 / ）→ 9008（main.py：跳转文章页）----
    location / {
        proxy_pass http://127.0.0.1:9008;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Real-Port $remote_port;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_connect_timeout 60s;
        proxy_send_timeout 600s;
        proxy_read_timeout 600s;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }

    access_log /var/log/nginx/openapi.rrrosmontis.icu.log;
    error_log /var/log/nginx/openapi.rrrosmontis.icu.error.log;
}