LemmyNet/lemmy
2
0
Fork 0
mirror of https://github.com/LemmyNet/lemmy.git synced 2024-10-30 17:20:02 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Do pictrs transformations for proxied image urls. (#4895)

Browse source 
- Fixes #4893
This commit is contained in:
Dessalines 2024-07-11 11:31:31 -04:00 committed by GitHub
parent 53a226b944
commit 6ff128341c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 60 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

83
crates/routes/src/images.rs
View file

@ -41,12 +41,66 @@ pub fn config(
.service(web::resource("/pictrs/image/delete/{token}/{filename}").route(web::get().to(delete)));
}
#[derive(Deserialize)]
trait ProcessUrl {
/// If thumbnail or format is given, this uses the pictrs process endpoint.
/// Otherwise, it uses the normal pictrs url (IE image/original).
fn process_url(&self, image_url: &str, pictrs_url: &Url) -> String;
}
#[derive(Deserialize, Clone)]
struct PictrsGetParams {
format: Option<String>,
thumbnail: Option<i32>,
}
impl ProcessUrl for PictrsGetParams {
fn process_url(&self, src: &str, pictrs_url: &Url) -> String {
if self.format.is_none() && self.thumbnail.is_none() {
format!("{}image/original/{}", pictrs_url, src)
} else {
// Take file type from name, or jpg if nothing is given
let format = self
.clone()
.format
.unwrap_or_else(|| src.split('.').last().unwrap_or("jpg").to_string());
let mut url = format!("{}image/process.{}?src={}", pictrs_url, format, src);
if let Some(size) = self.thumbnail {
url = format!("{url}&thumbnail={size}",);
}
url
}
}
}
#[derive(Deserialize, Clone)]
pub struct ImageProxyParams {
url: String,
format: Option<String>,
thumbnail: Option<i32>,
}
impl ProcessUrl for ImageProxyParams {
fn process_url(&self, proxy_url: &str, pictrs_url: &Url) -> String {
if self.format.is_none() && self.thumbnail.is_none() {
format!("{}image/original?proxy={}", pictrs_url, proxy_url)
} else {
// Take file type from name, or jpg if nothing is given
let format = self
.clone()
.format
.unwrap_or_else(|| proxy_url.split('.').last().unwrap_or("jpg").to_string());
let mut url = format!("{}image/process.{}?proxy={}", pictrs_url, format, proxy_url);
if let Some(size) = self.thumbnail {
url = format!("{url}&thumbnail={size}",);
}
url
}
}
}
fn adapt_request(
request: &HttpRequest,
client: &ClientWithMiddleware,
@ -133,23 +187,10 @@ async fn full_res(
// If there are no query params, the URL is original
let pictrs_config = context.settings().pictrs_config()?;
let url = if params.format.is_none() && params.thumbnail.is_none() {
format!("{}image/original/{}", pictrs_config.url, name,)
} else {
// Take file type from name, or jpg if nothing is given
let format = params
.format
.unwrap_or_else(|| name.split('.').last().unwrap_or("jpg").to_string());
let mut url = format!("{}image/process.{}?src={}", pictrs_config.url, format, name,);
let processed_url = params.process_url(name, &pictrs_config.url);
if let Some(size) = params.thumbnail {
url = format!("{url}&thumbnail={size}",);
}
url
};
image(url, req, &client).await
image(processed_url, req, &client).await
}
async fn image(
@ -208,11 +249,6 @@ async fn delete(
Ok(HttpResponse::build(res.status()).body(BodyStream::new(res.bytes_stream())))
}
#[derive(Deserialize)]
pub struct ImageProxyParams {
url: String,
}
pub async fn image_proxy(
Query(params): Query<ImageProxyParams>,
req: HttpRequest,
@ -226,9 +262,10 @@ pub async fn image_proxy(
RemoteImage::validate(&mut context.pool(), url.clone().into()).await?;
let pictrs_config = context.settings().pictrs_config()?;
let url = format!("{}image/original?proxy={}", pictrs_config.url, &params.url);
image(url, req, &client).await
let processed_url = params.process_url(&params.url, &pictrs_config.url);
image(processed_url, req, &client).await
}
fn make_send<S>(mut stream: S) -> impl Stream<Item = S::Item> + Send + Unpin + 'static