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-rw-r--r--src/config.rs96
1 files changed, 61 insertions, 35 deletions
diff --git a/src/config.rs b/src/config.rs
index bf02592..aad298f 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,12 +1,9 @@
use std::collections::{HashMap, HashSet};
-use std::error::Error;
use std::sync::LazyLock;
use std::sync::Arc;
use std::future::Future;
use std::pin::Pin;
-use std::fs;
use std::time::*;
-use duration_str as ds;
use super::cache::AsyncCache;
use super::deserialize::{GetRecentTracks, GetUserInfo, Track, User};
@@ -14,6 +11,8 @@ use super::deserialize::{GetRecentTracks, GetUserInfo, Track, User};
use reqwest::{Client, StatusCode};
use dotenv::var;
use tokio::sync::RwLock;
+use handlebars::Handlebars;
+use duration_str as ds;
static INTERNAL_THEMES: &[(&'static str, &'static str)] = &[("plain", "")];
@@ -21,7 +20,7 @@ pub static STATE: LazyLock<Arc<State>> = LazyLock::new(|| {
State::new()
});
-fn getter(username: &String) -> Pin<Box<dyn Future<Output = Result<(User, Track), (StatusCode, &'static str)>>>> {
+fn getter(username: &String) -> Pin<Box<(dyn Future<Output = Result<Arc<(User, Track)>, (StatusCode, &'static str)>> + Send + Sync)>> {
let username = username.clone();
Box::pin(async move {
let userreq = STATE.http.get(format!("https://ws.audioscrobbler.com/2.0/?method=user.getInfo&format=json&user={username}&api_key={}", STATE.api_key))
@@ -42,11 +41,11 @@ fn getter(username: &String) -> Pin<Box<dyn Future<Output = Result<(User, Track)
.map_err(|e| {log::error!("Couldn't parse user.getRecentTracks for `{username}`: {e}"); (StatusCode::INTERNAL_SERVER_ERROR, "Couldn't parse user.getRecentTracks!")})?
.recenttracks.track.into_iter().nth(0).ok_or((StatusCode::UNPROCESSABLE_ENTITY, "You need to listen to some songs first!"))?;
- Ok((userinfo, tracksinfo))
+ Ok(Arc::new((userinfo, tracksinfo)))
})
}
-type Getter = fn(&String) -> Pin<Box<(dyn Future<Output = Result<(User, Track), (StatusCode, &'static str)>>)>>;
-type Cache = Arc<RwLock<AsyncCache<String, (User, Track), Getter>>>;
+type Getter = fn(&String) -> Pin<Box<(dyn Future<Output = Result<Arc<(User, Track)>, (StatusCode, &'static str)>> + Send + Sync)>>;
+type Cache = Arc<RwLock<AsyncCache<String, Arc<(User, Track)>, Getter>>>;
#[derive(Debug)]
enum Whitelist {
Exclusive{cache: Cache, whitelist: HashSet<String>},
@@ -57,44 +56,50 @@ pub struct State {
api_key: Arc<str>,
whitelist: Whitelist,
port: u16,
- themes: HashMap<String, Arc<str>>,
+ handlebars: Handlebars<'static>,
+ default_theme: Arc<str>,
send_refresh_header: bool,
- http: Client
+ http: Client,
+
+ default_refresh: Duration,
+ whitelist_refresh: Duration
}
impl State {
fn new() -> Arc<Self> {
+ let duration_from_var = |v: &str, d: u64| -> Duration {var(v).map(|r| ds::parse(&r).expect("bad duration string")).unwrap_or_else(|_| Duration::from_secs(d))};
+ let cache_from_duration = |d: Duration| -> Cache {
+ Arc::new(RwLock::new(AsyncCache::new(d, getter as Getter)))
+ };
+ let default_refresh = duration_from_var("LFME_DEFAULT_REFRESH", 300);
+ let whitelist_refresh = duration_from_var("LFME_WHITELIST_REFRESH", 60);
+ let default_cache = cache_from_duration(default_refresh);
+ let whitelist_cache = cache_from_duration(whitelist_refresh);
+
Arc::new(State {
api_key: var("LFME_API_KEY").expect("API key must be set").into(),
port: var("LFME_PORT").map(|p| p.parse().expect("cannot parse as a port number")).unwrap_or(9999),
- send_refresh_header: var("LFME_SET_HEADER").map(|h| &h == "1").unwrap_or(false),
+ send_refresh_header: !var("LFME_NO_REFRESH").map(|h| &h == "1").unwrap_or(false),
http: Client::builder().https_only(true).user_agent(concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"))).build().unwrap(),
- themes: {
- if let Ok(themes_dir) = var("LFME_THEMES_DIR") {
- INTERNAL_THEMES.iter().map(|(k, v)| (k.to_string(), (*v).into())).chain(fs::read_dir(themes_dir).expect("error reading LFME_THEMES_DIR")
- .map(|a| a.expect("error reading LFME_THEMES_DIR"))
- .filter_map(|a| {
- let path = a.path();
- if fs::metadata(&path).map(|m| m.is_file()).unwrap_or(false) &&
- path.extension() == Some("css".as_ref()) {
- Some((path.file_stem().unwrap().to_str().expect("bad filename").to_string(), fs::read_to_string(&path).expect("couldn't read theme CSS").into()))
- }
- else { None }
- }))
- .collect()
+ handlebars: {
+ let mut hb = Handlebars::new();
+ for (key, fulltext) in INTERNAL_THEMES {
+ log::info!(target: "lfm::config::theme", "Registering internal theme `{key}`");
+ hb.register_template_string(key, fulltext).unwrap();
}
- else { HashMap::new() }
+ hb.set_dev_mode(var("LFME_THEME_DEV").map(|h| &h == "1").unwrap_or(false));
+
+ if let Ok(themes_dir) = var("LFME_THEME_DIR") {
+ log::info!(target: "lfm::config::theme", "Registering theme dir `{themes_dir}`");
+ hb.register_templates_directory(&var("LFME_THEME_EXT").unwrap_or_else(|_| "hbs".into()), themes_dir).unwrap();
+ }
+
+ hb
},
+ default_theme: var("LFME_THEME_DEFAULT").map(Into::into).unwrap_or_else(|_| "plain".into()),
whitelist: {
- let cache_from_var = |v: &str, d: u64| -> Cache {
- let refresh = var(v).map(|r| ds::parse(&r).expect("bad duration string")).unwrap_or_else(|_| Duration::from_secs(d));
- Arc::new(RwLock::new(AsyncCache::new(refresh, getter as Getter) as AsyncCache<String, (User, Track), Getter>))
- };
- let default_cache = || cache_from_var("LFME_DEFAULT_REFRESH", 300);
- let whitelist_cache = || cache_from_var("LFME_WHITELIST_REFRESH", 60);
-
let load_whitelist = || -> Option<HashSet<String>> {
var("LFME_WHITELIST").ok().map(
|w| w.split(",").map(|s| s.trim().to_string()).collect()
@@ -103,20 +108,41 @@ impl State {
match var("LFME_WHITELIST_MODE").map(|m| m.to_ascii_lowercase()).unwrap_or_else(|_| "open".into()).as_str() {
"open" => {
- Whitelist::Open{default_cache: default_cache(), whitelist_cache: whitelist_cache(), whitelist: load_whitelist().unwrap_or_default()}
+ Whitelist::Open{default_cache, whitelist_cache, whitelist: load_whitelist().unwrap_or_default()}
},
"exclusive" => {
- Whitelist::Exclusive{cache: whitelist_cache(), whitelist: load_whitelist().expect("LFME_WHITELIST not set, unable to serve anyone")}
+ Whitelist::Exclusive{cache: whitelist_cache, whitelist: load_whitelist().expect("LFME_WHITELIST not set, unable to serve anyone")}
},
m => {
panic!("Bad whitelist mode: `{m}`");
}
}
- }
+ },
+ default_refresh: default_refresh + Duration::from_secs(5),
+ whitelist_refresh: whitelist_refresh + Duration::from_secs(5)
})
}
pub fn port(&self) -> u16 { self.port }
pub fn send_refresh_header(&self) -> bool { self.send_refresh_header }
- pub fn get_theme(&self, theme: &str) -> Option<Arc<str>> { self.themes.get(theme).cloned() }
+ pub async fn get_userinfo(&self, user: &String) -> (Result<Arc<(User, Track)>, (StatusCode, &'static str)>, Duration) {
+ match &self.whitelist {
+ Whitelist::Open{default_cache, whitelist_cache, whitelist} => {
+ if whitelist.contains(user) {
+ (whitelist_cache.write().await.get_owned(user).await, self.whitelist_refresh)
+ }
+ else {
+ (default_cache.write().await.get_owned(user).await, self.default_refresh)
+ }
+ },
+ Whitelist::Exclusive{cache, whitelist} => {
+ if whitelist.contains(user) {
+ (cache.write().await.get_owned(user).await, self.whitelist_refresh)
+ }
+ else { (Err((StatusCode::FORBIDDEN, "User not in whitelist!")), self.default_refresh) }
+ }
+ }
+ }
+ pub fn handlebars(&self) -> &Handlebars { &self.handlebars }
+ pub fn default_theme(&self) -> Arc<str> { self.default_theme.clone() }
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-09-19 21:28:46 +0000