framework_cqrs_lib/cqrs/infra/helpers/
context.rs

1use std::collections::HashMap;
2
3use actix_web::HttpRequest;
4
5use crate::cqrs::infra::helpers::header_value::CanSanitizeHeader;
6use crate::cqrs::core::context::Context;
7
8impl CanDecoreFromHttpRequest for Context {
9    fn decore_with_http_header(&self, req: &HttpRequest) -> Self {
10        let maybe_proto = req.headers()
11            .get("X-Forwarded-Proto")
12            .map(|header_value| header_value.clone().sanitize_header("X-Forwarded-Proto".to_string()))
13            .map(|x| x.map(|x| Some(x)).unwrap_or(None))
14            .flatten();
15
16        let maybe_host = req.headers()
17            .get("X-Forwarded-Host")
18            .map(|header_value| header_value.clone().sanitize_header("X-Forwarded-Host".to_string()))
19            .map(|x| x.map(|x| Some(x)).unwrap_or(None))
20            .flatten();
21
22        let maybe_prefix = req.headers()
23            .get("X-Forwarded-Prefix")
24            .map(|header_value| header_value.clone().sanitize_header("X-Forwarded-Prefix".to_string()))
25            .map(|x| x.map(|x| Some(x)).unwrap_or(None))
26            .flatten();
27
28        let maybe_external_url = match (maybe_proto.clone(), maybe_host.clone(), maybe_prefix.clone()) {
29            (Some(proto), Some(host), Some(prefix)) =>
30                Some(format!("{}://{}{}", proto.1, host.1, prefix.1)),
31            (Some(proto), Some(host), None) =>
32                Some(format!("{}://{}", proto.1, host.1)),
33            _ => None
34        }.map(|val| ("externalUrl".to_string(), val));
35
36        let meta = vec![maybe_proto, maybe_host, maybe_prefix, maybe_external_url]
37            .iter()
38            .fold(HashMap::new(), |acc, current| {
39                match current {
40                    Some((key, value)) => acc
41                        .into_iter()
42                        .chain(HashMap::from([(key.clone(), value.clone())]))
43                        .collect::<HashMap<String, String>>(),
44
45                    None => acc
46                }
47            });
48
49
50        Context {
51            meta,
52            ..self.clone()
53        }
54    }
55}
56
57pub trait CanDecoreFromHttpRequest: Sized {
58    fn decore_with_http_header(&self, req: &HttpRequest) -> Self;
59}
framework_cqrs_lib/cqrs/infra/helpers/context.rs

framework_cqrs_lib/cqrs/infra/helpers/
context.rs
