Stdlib/std.net.http.server.middlewares/SizeLimitMiddleware

SizeLimitMiddleware

struct SizeLimitMiddleware

Middleware for limiting the request payload size.

If the incoming request does not contain the Content-Length header, it will return LENGTH_REQUIRED status code.

Example

use std.net.http.server.{
    middlewares.SizeLimitMiddleware,
    Router,
};

let app = Router.new().with(SizeLimitMiddleware.new(1024));

Implementions

Middleware

Methods

new

pub fn new(max_size: int): SizeLimitMiddleware

[src]

pub fn new(max_size: int): SizeLimitMiddleware {
    return SizeLimitMiddleware { max_size };
}

Creates a new SizeLimit middleware.

Creates a new SizeLimit middleware.

transform

pub fn transform(self, handler: Handler): Handler

[src]

pub fn transform(self, handler: Handler): Handler {
    return handler
        .around(|handler, request| {
            if (let content_length = request.headers().get("content-length")) {
                if (let content_length_int = content_length.parse_int()) {
                    if (content_length_int > self.max_size) {
                        throw HttpError
                            .new(http.PayloadTooLarge, "Sized Limit Error: Payload Too Large");
                    } else {
                        return try handler.handle(request);
                    }
                }
            }
            throw HttpError.new(http.LengthRequired, "Sized Limit Error: Missing Content Length");
        });
}