Does IPFS http gateway could run cgi-bin or php-fpm to execute code before rendering?

1

I was wondering if as apache or nginx is able to do, it would be possible (as a special mode) for go-ipfs to call external processor before rendering /ipns/HASH/file.php link

If I refer to nginx, it could be extra configuration to inform gateway to do that?

    location /ipns/HASH {
        allow all;
        index index.php index.html index.htm;
        location ~ \.php {
                try_files $uri index.php =404;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $request_filename;
                include /etc/nginx/fastcgi_params;
                fastcgi_read_timeout 1800;
        }
        error_page 404 = 404.html;
        try_files $uri $uri/ =404;
    }

What do you think? Is it a crazy idea?

1 Like
2

You could but I’m not sure why. What are you trying to do? The one thing I can think of to use this for is an infrequently accessed compressed file that you need to make available as uncompressed data.

3

That breaks the contract that the gateway is going to deliver to your browser exactly what you requested.

(apart from opening the gateways to run client-provided code in the server, which is a no go).

4

If so then many of us should be using a DTN protocol so that our FOG and Edge devices can do the AI heavy lifting of Sensor or Camera data. Common Sensor data is useless for our AI or off-grid Robotics operating system if we are not allowed to process the data locally in a Fog network. How will SigularityNet AGI deal with this?

5

I have no idea. I am just saying that the IPFS HTTP gateway is not going to run custom server-side code for you. You are allowed to process data locally in whatever way you want though.

1 Like
6

@hector I understand and agree with your answer. ipfs is a bare swiss knife system and has to stick with it. I can already manage to execute code by accessing ipfs gateway through nginx proxy…

My question was just about appyling a software stack “optimisation”… and it is useless.

7

You could process your response normally, put it into IPFS and then send the user a 303 or 301 redirect to a gateway. It might be better to describe what you’re trying to do.

8

Thanks! This is a good idea indeed.