embystream 0.0.33

Another Emby streaming application (frontend/backend separation) written in Rust.
Documentation 
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use async_trait::async_trait;
use hyper::{Response, body::Incoming, header::HeaderValue};

use super::{
    chain::{Middleware, Next},
    response::BoxBodyType,
};
use crate::gateway::context::Context;
use crate::{GATEWAY_LOGGER_DOMAIN, debug_log};

#[derive(Clone)]
pub struct CorsMiddleware;

const CORS_ALLOW_ORIGIN: HeaderValue = HeaderValue::from_static("*");
const CORS_ALLOW_METHODS: HeaderValue =
    HeaderValue::from_static("GET,POST,PUT,DELETE,OPTIONS");
const CORS_ALLOW_HEADERS: HeaderValue =
    HeaderValue::from_static("Content-Type,Authorization");

#[async_trait]
impl Middleware for CorsMiddleware {
    async fn handle(
        &self,
        ctx: Context,
        body: Option<Incoming>,
        next: Next,
    ) -> Response<BoxBodyType> {
        debug_log!(GATEWAY_LOGGER_DOMAIN, "Starting HTTP cors middleware...");

        let mut response = next(ctx, body).await;

        response
            .headers_mut()
            .insert("Access-Control-Allow-Origin", CORS_ALLOW_ORIGIN);

        response
            .headers_mut()
            .insert("Access-Control-Allow-Methods", CORS_ALLOW_METHODS);

        response
            .headers_mut()
            .insert("Access-Control-Allow-Headers", CORS_ALLOW_HEADERS);

        response
    }

    fn clone_box(&self) -> Box<dyn Middleware> {
        Box::new(self.clone())
    }
}