OXYGENHUB
◆ wiki-says-so oxygenhub / crates / hub / src / web / statics.rs
3.5 KiB · Rust · last changed Mermaid diagrams in Markdown 1 month ago source blame history raw
1 
//! Compiled-in static assets: the stylesheet, fonts and icons.
2
3 
use axum::extract::Path;
4 
use axum::http::{header, StatusCode};
5 
use axum::response::{IntoResponse, Response};
6
7 
const CSS: &str = include_str!("../../../../templates/style.css");
8 
const FAVICON: &str = include_str!("../../../../assets/icons/oxygenhub.svg");
9
10 
/// A short hash of the stylesheets and script the pages link, put in their
11 
/// URLs (`?v=…`): they are served for a long time and cached by any proxy
12 
/// in front of the hub (Cloudflare held a day-old stylesheet), so a new
13 
/// version must have a new URL.
14 
pub fn assets_version() -> &'static str {
15 
    static V: std::sync::OnceLock<String> = std::sync::OnceLock::new();
16 
    V.get_or_init(|| {
17 
        let mut h = blake3::Hasher::new();
18 
        h.update(CSS.as_bytes());
19 
        for a in ASSETS.iter().filter(|a| a.path == "github.css" || a.path == "hub.js") {
20 
            h.update(a.bytes);
21 
        }
22 
        h.finalize().to_hex()[..12].to_string()
23 
    })
24 
}
25
26 
struct Asset {
27 
    path: &'static str,
28 
    mime: &'static str,
29 
    bytes: &'static [u8],
30 
}
31
32 
const ASSETS: &[Asset] = &[
33 
    Asset { path: "fonts/Barlow-300.woff2", mime: "font/woff2", bytes: include_bytes!("../../../../assets/fonts/Barlow-300.woff2") },
34 
    Asset { path: "fonts/Barlow-400.woff2", mime: "font/woff2", bytes: include_bytes!("../../../../assets/fonts/Barlow-400.woff2") },
35 
    Asset { path: "fonts/Barlow-500.woff2", mime: "font/woff2", bytes: include_bytes!("../../../../assets/fonts/Barlow-500.woff2") },
36 
    Asset { path: "fonts/Barlow-600.woff2", mime: "font/woff2", bytes: include_bytes!("../../../../assets/fonts/Barlow-600.woff2") },
37 
    Asset {
38 
        path: "fonts/PressStart2P-400.woff2",
39 
        mime: "font/woff2",
40 
        bytes: include_bytes!("../../../../assets/fonts/PressStart2P-400.woff2"),
41 
    },
42 
    Asset { path: "github.css", mime: "text/css; charset=utf-8", bytes: include_bytes!("../../../../assets/github.css") },
43 
    Asset { path: "hub.js", mime: "text/javascript; charset=utf-8", bytes: include_bytes!("../../../../assets/hub.js") },
44 
    Asset {
45 
        path: "vendor/editor.js",
46 
        mime: "text/javascript; charset=utf-8",
47 
        bytes: include_bytes!("../../../../assets/vendor/editor.js"),
48 
    },
49 
    Asset {
50 
        path: "vendor/easymde.min.js",
51 
        mime: "text/javascript; charset=utf-8",
52 
        bytes: include_bytes!("../../../../assets/vendor/easymde.min.js"),
53 
    },
54 
    // Mermaid 12.1.0 (MIT, assets/vendor/mermaid.LICENSE), from npm's
55 
    // mermaid package, dist/mermaid.min.js; loaded only by pages with a
56 
    // diagram.
57 
    Asset {
58 
        path: "vendor/mermaid.min.js",
59 
        mime: "text/javascript; charset=utf-8",
60 
        bytes: include_bytes!("../../../../assets/vendor/mermaid.min.js"),
61 
    },
62 
    Asset {
63 
        path: "vendor/easymde.min.css",
64 
        mime: "text/css; charset=utf-8",
65 
        bytes: include_bytes!("../../../../assets/vendor/easymde.min.css"),
66 
    },
67 
];
68
69 
const CACHE: &str = "public, max-age=86400";
70
71 
pub async fn style() -> Response {
72 
    ([(header::CONTENT_TYPE, "text/css; charset=utf-8"), (header::CACHE_CONTROL, CACHE)], CSS).into_response()
73 
}
74
75 
pub async fn favicon() -> Response {
76 
    ([(header::CONTENT_TYPE, "image/svg+xml"), (header::CACHE_CONTROL, CACHE)], FAVICON).into_response()
77 
}
78
79 
pub async fn asset(Path(path): Path<String>) -> Response {
80 
    match ASSETS.iter().find(|a| a.path == path) {
81 
        Some(a) => {
82 
            ([(header::CONTENT_TYPE, a.mime), (header::CACHE_CONTROL, "public, max-age=31536000, immutable")], a.bytes).into_response()
83 
        }
84 
        None => StatusCode::NOT_FOUND.into_response(),
85 
    }
86 
}