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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use super::error::MyResult;
use crate::{
helper::{cache::CacheControlFile, A},
CONF,
};
use anyhow::{anyhow, bail, Context};
use jellycommon::{NodeID, PeopleGroup};
use jellyimport::asset_token::AssetInner;
use jellylogic::{
assets::{get_node_backdrop, get_node_person_asset, get_node_poster, get_node_thumbnail},
session::Session,
};
use log::info;
use rocket::{get, http::ContentType, response::Redirect};
use std::path::PathBuf;
pub const AVIF_QUALITY: f32 = 50.;
pub const AVIF_SPEED: u8 = 5;
#[get("/asset/<token>?<width>")]
pub async fn r_asset(
_session: A<Session>,
token: &str,
width: Option<usize>,
) -> MyResult<(ContentType, CacheControlFile)> {
let width = width.unwrap_or(2048);
let asset = AssetInner::deser(token)?;
// if let AssetInner::Federated { host, asset } = asset {
// let session = fed.get_session(&host).await?;
// let asset = base64::engine::general_purpose::URL_SAFE.encode(asset);
// async_cache_file("fed-asset", &asset, |out| async {
// session.asset(out, &asset, width).await
// })
// .await?
// } else
let path = {
let source = resolve_asset(asset).await.context("resolving asset")?;
// fit the resolution into a finite set so the maximum cache is finite too.
let width = 2usize.pow(width.clamp(128, 2048).ilog2());
jellytranscoder::image::transcode(&source, AVIF_QUALITY, AVIF_SPEED, width)
.await
.context("transcoding asset")?
};
info!("loading asset from {path:?}");
Ok((
ContentType::AVIF,
CacheControlFile::new_cachekey(&path.abs()).await?,
))
}
pub async fn resolve_asset(asset: AssetInner) -> anyhow::Result<PathBuf> {
match asset {
AssetInner::Cache(c) => Ok(c.abs()),
AssetInner::Assets(c) => Ok(CONF.asset_path.join(c)),
AssetInner::Media(c) => Ok(c),
_ => bail!("wrong asset type"),
}
}
#[get("/n/<id>/poster?<width>")]
pub async fn r_item_poster(
session: A<Session>,
id: A<NodeID>,
width: Option<usize>,
) -> MyResult<Redirect> {
let asset = get_node_poster(&session.0, id.0)?;
Ok(Redirect::permanent(rocket::uri!(r_asset(asset.0, width))))
}
#[get("/n/<id>/backdrop?<width>")]
pub async fn r_item_backdrop(
session: A<Session>,
id: A<NodeID>,
width: Option<usize>,
) -> MyResult<Redirect> {
let asset = get_node_backdrop(&session.0, id.0)?;
Ok(Redirect::permanent(rocket::uri!(r_asset(asset.0, width))))
}
#[get("/n/<id>/person/<index>/asset?<group>&<width>")]
pub async fn r_person_asset(
session: A<Session>,
id: A<NodeID>,
index: usize,
group: String,
width: Option<usize>,
) -> MyResult<Redirect> {
let group = PeopleGroup::from_str_opt(&group).ok_or(anyhow!("unknown people group"))?;
let asset = get_node_person_asset(&session.0, id.0, group, index)?;
Ok(Redirect::permanent(rocket::uri!(r_asset(asset.0, width))))
}
#[get("/n/<id>/thumbnail?<t>&<width>")]
pub async fn r_node_thumbnail(
session: A<Session>,
id: A<NodeID>,
t: f64,
width: Option<usize>,
) -> MyResult<Redirect> {
let asset = get_node_thumbnail(&session.0, id.0, t).await?;
Ok(Redirect::temporary(rocket::uri!(r_asset(asset.0, width))))
}
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