first commit

src/ui.rs

@@ -0,0 +1,59 @@
+use crate::state::AppState;
+use axum::{
+    extract::{Path, State},
+    http::{HeaderMap, HeaderValue, StatusCode, header},
+    response::{Html, IntoResponse, Response},
+};
+use std::sync::Arc;
+
+const INDEX: &str = include_str!("web/index.html");
+const ICONS: &str = include_str!("web/icons.svg");
+const EN: &str = include_str!("web/i18n/en.json");
+const PL: &str = include_str!("web/i18n/pl.json");
+const CSS: &str = include_str!(concat!(env!("OUT_DIR"), "/postfixadmin-rs.css"));
+const JS: &str = include_str!(concat!(env!("OUT_DIR"), "/postfixadmin-rs.js"));
+const ASSET_ID: &str = env!("POSTFIXADMIN_RS_ASSET_ID");
+
+pub async fn index(State(state): State<Arc<AppState>>) -> Html<String> {
+    let base = state.config.normalized_base_path();
+    let base = if base == "/" {
+        "/".into()
+    } else {
+        format!("{base}/")
+    };
+    Html(
+        INDEX
+            .replace("__BASE_PATH__", &base)
+            .replace("__ASSET_ID__", ASSET_ID)
+            .replace("__VERSION__", env!("CARGO_PKG_VERSION"))
+            .replace("__LANG__", &state.config.default_language),
+    )
+}
+pub async fn asset(Path(path): Path<String>) -> Response {
+    let path = path.trim_start_matches('/');
+    let (body, ctype, immutable) = match path {
+        p if p == format!("app.{ASSET_ID}.css") => (CSS, "text/css; charset=utf-8", true),
+        p if p == format!("app.{ASSET_ID}.js") => {
+            (JS, "application/javascript; charset=utf-8", true)
+        }
+        p if p == format!("icons.{ASSET_ID}.svg") => (ICONS, "image/svg+xml", true),
+        "icons.svg" => (ICONS, "image/svg+xml", false),
+        "i18n/en.json" => (EN, "application/json; charset=utf-8", false),
+        "i18n/pl.json" => (PL, "application/json; charset=utf-8", false),
+        _ => ("", "text/plain", false),
+    };
+    if body.is_empty() {
+        return StatusCode::NOT_FOUND.into_response();
+    }
+    let mut h = HeaderMap::new();
+    h.insert(header::CONTENT_TYPE, HeaderValue::from_static(ctype));
+    h.insert(
+        header::CACHE_CONTROL,
+        HeaderValue::from_static(if immutable {
+            "public, max-age=31536000, immutable"
+        } else {
+            "no-cache"
+        }),
+    );
+    (h, body).into_response()
+}