# Hosting an image proxy server for Pixiv

If you prefer not to rely on third-party image proxy servers, you can set up your own! By hosting your own proxy server, you can access images from Pixiv by simply changing the [Referer](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referer) to `https://www.pixiv.net/`.

By hosting your own Pixiv image proxy server, you can have more control over the caching and access to Pixiv images without relying on external services.

## nginx

To set up an image proxy server using [nginx](https://nginx.org/), follow these steps:

### 1. Configure the proxy cache path

Set the cache path and parameters using the [`proxy_cache_path` directive](https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cache_path) under the [`http` context](https://nginx.org/en/docs/http/ngx_http_core_module.html#http):

   ```nginx
   proxy_cache_path /path/to/cache levels=1:2 keys_zone=pximg:10m max_size=10g inactive=7d use_temp_path=off;
   ```

### 2. Set up the server block

   ```nginx
   server {
       listen 443 ssl http2;

       ssl_certificate /path/to/ssl_certificate.crt;
       ssl_certificate_key /path/to/ssl_certificate.key;

       server_name pximg.example.com; # (1)!
       access_log off;

       location / {
           proxy_cache pximg;
           proxy_pass https://i.pximg.net;
           proxy_cache_revalidate on;
           proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
           proxy_cache_lock on;
           add_header X-Cache-Status $upstream_cache_status;
           proxy_set_header Host i.pximg.net;
           proxy_set_header Referer "https://www.pixiv.net/";
           proxy_set_header User-Agent "Mozilla/5.0 (Windows NT 10.0; rv:122.0) Gecko/20100101 Firefox/122.0";

           proxy_cache_valid 200 7d;
           proxy_cache_valid 404 5m;
       }
   }
   ```

   1. Replace `pximg.example.com` with your desired domain.

## Cloudflare Workers

Alternatively, you can set up an image proxy server using [Cloudflare Workers](https://developers.cloudflare.com/workers/):

```js
addEventListener("fetch", event => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(originalRequest) {
  try {
    let url = new URL(originalRequest.url);
    url.hostname = "i.pximg.net";

    let modifiedRequest = new Request(url, originalRequest);
    let response = await fetch(modifiedRequest, {
      headers: {
        'Referer': 'https://www.pixiv.net/',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:122.0) Gecko/20100101 Firefox/122.0'
      }
    });

    if (!response.ok) {
      return new Response("Error fetching the resource.", { status: response.status });
    }

    return response;
  } catch (error) {
    console.error("Failed to fetch resource: ", error.message);

    return new Response("An error occurred while fetching the resource.", { status: 500 });
  }
}
```

## Using the proxy server

Once you have set up your image proxy server, you can access Pixiv images by replacing the original domain with your proxy server domain:

=== "Original URL"

    [https://i.pximg.net/img-original/img/2023/06/06/20/30/01/108783513_p0.png](https://i.pximg.net/img-original/img/2023/06/06/20/30/01/108783513_p0.png)

=== "Proxy URL"

    [https://pximg.example.com/img-original/img/2023/06/06/20/30/01/108783513_p0.png](https://pximg.example.com/img-original/img/2023/06/06/20/30/01/108783513_p0.png)

## Additional resources

- For more information, you can refer to [this article](https://pixiv.cat/reverseproxy.html) by pixiv.cat, which also serves as an image proxy server. You can try an [example image](https://i.pixiv.cat/img-original/img/2023/06/06/20/30/01/108783513_p0.png) through their proxy.

- You can also check out [this repository](https://gitler.moe/suwako/imgproxy) from [TechnicalSuwako](https://github.com/TechnicalSuwako) for additional references and examples.