1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
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;
use anyhow::{anyhow, bail, Context};
use base64::Engine;
use jellybase::{assetfed::AssetInner, database::Database, federation::Federation, CONF};
use jellycache::async_cache_file;
use jellycommon::{LocalTrack, NodeID, PeopleGroup, SourceTrackKind, TrackSource};
use jellylogic::session::Session;
use log::info;
use rocket::{get, http::ContentType, response::Redirect, State};
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: Session,
fed: &State<Federation>,
token: &str,
width: Option<usize>,
) -> MyResult<(ContentType, CacheControlFile)> {
let width = width.unwrap_or(2048);
let asset = AssetInner::deser(token)?;
let path = 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 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(CONF.media_path.join(c)),
_ => bail!("wrong asset type"),
}
}
#[get("/n/<id>/poster?<width>")]
pub async fn r_item_poster(
_session: Session,
db: &State<Database>,
id: NodeID,
width: Option<usize>,
) -> MyResult<Redirect> {
// TODO perm
let node = db.get_node(id)?.ok_or(anyhow!("node does not exist"))?;
let mut asset = node.poster.clone();
if asset.is_none() {
if let Some(parent) = node.parents.last().copied() {
let parent = db.get_node(parent)?.ok_or(anyhow!("node does not exist"))?;
asset = parent.poster.clone();
}
};
let asset = asset.unwrap_or_else(|| {
AssetInner::Assets(format!("fallback-{:?}.avif", node.kind).into()).ser()
});
Ok(Redirect::permanent(rocket::uri!(r_asset(asset.0, width))))
}
#[get("/n/<id>/backdrop?<width>")]
pub async fn r_item_backdrop(
_session: Session,
db: &State<Database>,
id: NodeID,
width: Option<usize>,
) -> MyResult<Redirect> {
// TODO perm
let node = db.get_node(id)?.ok_or(anyhow!("node does not exist"))?;
let mut asset = node.backdrop.clone();
if asset.is_none() {
if let Some(parent) = node.parents.last().copied() {
let parent = db.get_node(parent)?.ok_or(anyhow!("node does not exist"))?;
asset = parent.backdrop.clone();
}
};
let asset = asset.unwrap_or_else(|| {
AssetInner::Assets(format!("fallback-{:?}.avif", node.kind).into()).ser()
});
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: Session,
db: &State<Database>,
id: NodeID,
index: usize,
group: String,
width: Option<usize>,
) -> MyResult<Redirect> {
// TODO perm
let node = db.get_node(id)?.ok_or(anyhow!("node does not exist"))?;
let app = node
.people
.get(&PeopleGroup::from_str_opt(&group).ok_or(anyhow!("unknown people group"))?)
.ok_or(anyhow!("group has no members"))?
.get(index)
.ok_or(anyhow!("person does not exist"))?;
let asset = app
.person
.headshot
.to_owned()
.unwrap_or(AssetInner::Assets("fallback-Person.avif".into()).ser());
Ok(Redirect::permanent(rocket::uri!(r_asset(asset.0, width))))
}
#[get("/n/<id>/thumbnail?<t>&<width>")]
pub async fn r_node_thumbnail(
_session: Session,
db: &State<Database>,
fed: &State<Federation>,
id: NodeID,
t: f64,
width: Option<usize>,
) -> MyResult<Redirect> {
let node = db.get_node(id)?.ok_or(anyhow!("node does not exist"))?;
let media = node.media.as_ref().ok_or(anyhow!("no media"))?;
let (thumb_track_index, thumb_track) = media
.tracks
.iter()
.enumerate()
.find(|(_i, t)| matches!(t.kind, SourceTrackKind::Video { .. }))
.ok_or(anyhow!("no video track to create a thumbnail of"))?;
let source = media
.tracks
.get(thumb_track_index)
.ok_or(anyhow!("no source"))?;
let thumb_track_source = source.source.clone();
if t < 0. || t > media.duration {
Err(anyhow!("thumbnail instant not within media duration"))?
}
let step = 8.;
let t = (t / step).floor() * step;
let asset = match thumb_track_source {
TrackSource::Local(a) => {
let AssetInner::LocalTrack(LocalTrack { path, .. }) = AssetInner::deser(&a.0)? else {
return Err(anyhow!("track set to wrong asset type").into());
};
// the track selected might be different from thumb_track
jellytranscoder::thumbnail::create_thumbnail(&CONF.media_path.join(path), t).await?
}
TrackSource::Remote(_) => {
// TODO in the new system this is preferrably a property of node ext for regular fed
let session = fed
.get_session(
thumb_track
.federated
.last()
.ok_or(anyhow!("federation broken"))?,
)
.await?;
async_cache_file("fed-thumb", (id, t as i64), |out| {
session.node_thumbnail(out, id.into(), 2048, t)
})
.await?
}
};
Ok(Redirect::temporary(rocket::uri!(r_asset(
AssetInner::Cache(asset).ser().0,
width
))))
}
|
