Function create_cors_layer

plugins/rest-plugin/src/options.rs:113–140

(allowed_origins: &[String])

}

fn create_cors_layer(allowed_origins: &[String]) -> Result<CorsLayer, anyhow::Error> {
    if allowed_origins.is_empty() {
        return Err(anyhow!("`clnrest-cors-origins` must not be empty!"));
    }
    if allowed_origins.first().unwrap() == "*" {
        Ok(CorsLayer::new()
            .allow_origin(Any)
            .allow_methods(Any)
            .allow_headers(Any))
    } else {
        let origins = allowed_origins
            .iter()
            .map(|header_val| {
                HeaderValue::from_str(header_val).map_err(|err| {
                    anyhow!(
                        "Could not parse CORS header value `{}`: {}",
                        header_val,
                        err
                    )
                })
            })
            .collect::<Result<Vec<HeaderValue>, anyhow::Error>>()?;
        Ok(CorsLayer::new()
            .allow_origin(origins)
            .allow_methods(Any)
            .allow_headers(Any))
    }
}