586 lines
15 KiB
Rust
586 lines
15 KiB
Rust
use actix_web::{
|
|
body::BodyStream,
|
|
http::{
|
|
header::{CacheControl, CacheDirective, ContentType, LastModified, LOCATION},
|
|
StatusCode,
|
|
},
|
|
middleware::Logger,
|
|
web, App, HttpRequest, HttpResponse, HttpResponseBuilder, HttpServer, ResponseError,
|
|
};
|
|
use awc::Client;
|
|
use once_cell::sync::Lazy;
|
|
use std::{
|
|
io::Cursor,
|
|
net::SocketAddr,
|
|
time::{Duration, SystemTime},
|
|
};
|
|
use structopt::StructOpt;
|
|
use url::Url;
|
|
|
|
include!(concat!(env!("OUT_DIR"), "/templates.rs"));
|
|
|
|
const HOURS: u32 = 60 * 60;
|
|
const DAYS: u32 = 24 * HOURS;
|
|
|
|
#[derive(Clone, Debug, StructOpt)]
|
|
struct Config {
|
|
#[structopt(
|
|
short,
|
|
long,
|
|
env = "PICTRS_PROXY_ADDR",
|
|
default_value = "0.0.0.0:8081",
|
|
help = "The address and port the server binds to"
|
|
)]
|
|
addr: SocketAddr,
|
|
|
|
#[structopt(
|
|
short,
|
|
long,
|
|
env = "PICTRS_PROXY_UPSTREAM",
|
|
default_value = "http://localhost:8080",
|
|
help = "The url of the upstream pict-rs server"
|
|
)]
|
|
upstream: Url,
|
|
|
|
#[structopt(
|
|
short,
|
|
long,
|
|
env = "PICTRS_PROXY_DOMAIN",
|
|
default_value = "http://localhost:8081",
|
|
help = "The scheme, domain, and optional port of the pict-rs proxy server"
|
|
)]
|
|
domain: Url,
|
|
}
|
|
|
|
impl Config {
|
|
fn upstream_upload_url(&self) -> String {
|
|
let mut url = self.upstream.clone();
|
|
url.set_path("image");
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn upstream_details_url(&self, name: &str) -> String {
|
|
let mut url = self.upstream.clone();
|
|
url.set_path(&format!("image/details/original/{}", name));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn upstream_image_url(&self, name: &str) -> String {
|
|
let mut url = self.upstream.clone();
|
|
url.set_path(&format!("image/original/{}", name));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn upstream_thumbnail_url(&self, size: u64, name: &str, filetype: FileType) -> String {
|
|
let mut url = self.upstream.clone();
|
|
url.set_path(&format!("image/process.{}", filetype.as_str()));
|
|
url.set_query(Some(&format!("src={}&thumbnail={}", name, size)));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn upstream_delete_url(&self, token: &str, name: &str) -> String {
|
|
let mut url = self.upstream.clone();
|
|
url.set_path(&format!("image/delete/{}/{}", token, name));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn image_url(&self, name: &str) -> String {
|
|
let mut url = self.domain.clone();
|
|
url.set_path(&format!("image/{}", name));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn thumbnail_url(&self, size: u64, name: &str, filetype: FileType) -> String {
|
|
let mut url = self.domain.clone();
|
|
url.set_path(&format!("thumb/{}/{}/{}", size, filetype.as_str(), name));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn view_url(&self, size: Option<u64>, name: &str) -> String {
|
|
let mut url = self.domain.clone();
|
|
if let Some(size) = size {
|
|
url.set_path(&format!("view/{}/{}", size, name));
|
|
} else {
|
|
url.set_path(&format!("view/{}", name));
|
|
}
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn thumbnails_url(&self, name: &str) -> String {
|
|
let mut url = self.domain.clone();
|
|
url.set_path("/thumbnails");
|
|
url.set_query(Some(&format!("image={}", name)));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn delete_url(&self, token: &str, name: &str) -> String {
|
|
let mut url = self.domain.clone();
|
|
url.set_path("delete");
|
|
url.set_query(Some(&format!("file={}&token={}", name, token)));
|
|
|
|
url.to_string()
|
|
}
|
|
|
|
fn confirm_delete_url(&self, token: &str, name: &str) -> String {
|
|
let mut url = self.domain.clone();
|
|
url.set_path("delete");
|
|
url.set_query(Some(&format!("file={}&token={}&confirm=true", name, token)));
|
|
|
|
url.to_string()
|
|
}
|
|
}
|
|
|
|
static CONFIG: Lazy<Config> = Lazy::new(Config::from_args);
|
|
|
|
#[derive(serde::Deserialize)]
|
|
enum FileType {
|
|
#[serde(rename = "jpg")]
|
|
Jpg,
|
|
#[serde(rename = "webp")]
|
|
Webp,
|
|
}
|
|
|
|
impl FileType {
|
|
fn as_str(&self) -> &'static str {
|
|
match self {
|
|
Self::Jpg => "jpg",
|
|
Self::Webp => "webp",
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, serde::Deserialize)]
|
|
pub struct Images {
|
|
msg: String,
|
|
files: Option<Vec<Image>>,
|
|
}
|
|
|
|
impl Images {
|
|
fn files(&self) -> Option<&[Image]> {
|
|
self.files.as_ref().map(|v| v.as_ref())
|
|
}
|
|
|
|
fn msg(&self) -> &str {
|
|
&self.msg
|
|
}
|
|
|
|
fn is_ok(&self) -> bool {
|
|
self.files().is_some()
|
|
}
|
|
|
|
fn message(&self) -> &'static str {
|
|
if self.is_ok() {
|
|
"Images Uploaded"
|
|
} else {
|
|
"Image Upload Failed"
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, serde::Deserialize)]
|
|
pub struct Details {
|
|
content_type: String,
|
|
}
|
|
|
|
#[derive(Debug, serde::Deserialize)]
|
|
pub struct Image {
|
|
file: String,
|
|
delete_token: String,
|
|
details: Details,
|
|
}
|
|
|
|
impl Image {
|
|
fn filename(&self) -> &str {
|
|
&self.file
|
|
}
|
|
|
|
fn is_video(&self) -> bool {
|
|
self.details.content_type.starts_with("video")
|
|
}
|
|
|
|
fn mime(&self) -> &str {
|
|
&self.details.content_type
|
|
}
|
|
|
|
fn link(&self) -> String {
|
|
CONFIG.image_url(&self.file)
|
|
}
|
|
|
|
fn thumbnails(&self) -> String {
|
|
CONFIG.thumbnails_url(&self.file)
|
|
}
|
|
|
|
fn view(&self, size: Option<u64>) -> String {
|
|
CONFIG.view_url(size, &self.file)
|
|
}
|
|
|
|
fn thumb(&self, size: u64, filetype: FileType) -> String {
|
|
CONFIG.thumbnail_url(size, &self.file, filetype)
|
|
}
|
|
|
|
fn delete(&self) -> String {
|
|
CONFIG.delete_url(&self.delete_token, &self.file)
|
|
}
|
|
|
|
fn confirm_delete(&self) -> String {
|
|
CONFIG.confirm_delete_url(&self.delete_token, &self.file)
|
|
}
|
|
}
|
|
|
|
fn statics(file: &str) -> String {
|
|
format!("/static/{}", file)
|
|
}
|
|
|
|
#[derive(Debug, thiserror::Error)]
|
|
enum Error {
|
|
#[error("{0}")]
|
|
Io(#[from] std::io::Error),
|
|
|
|
#[error("{0}")]
|
|
SendRequest(#[from] awc::error::SendRequestError),
|
|
|
|
#[error("{0}")]
|
|
JsonPayload(#[from] awc::error::JsonPayloadError),
|
|
}
|
|
|
|
impl ResponseError for Error {
|
|
fn status_code(&self) -> StatusCode {
|
|
StatusCode::INTERNAL_SERVER_ERROR
|
|
}
|
|
|
|
fn error_response(&self) -> HttpResponse {
|
|
match render(HttpResponse::build(self.status_code()), |cursor| {
|
|
self::templates::error(cursor, &self.to_string())
|
|
}) {
|
|
Ok(res) => res,
|
|
Err(_) => HttpResponse::build(self.status_code())
|
|
.content_type(mime::TEXT_PLAIN.essence_str())
|
|
.body(self.to_string()),
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn index() -> Result<HttpResponse, Error> {
|
|
render(HttpResponse::Ok(), |cursor| {
|
|
self::templates::index(cursor, "/upload", "images[]")
|
|
})
|
|
}
|
|
|
|
async fn upload(
|
|
req: HttpRequest,
|
|
body: web::Payload,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let client_request = client.request_from(CONFIG.upstream_upload_url(), req.head());
|
|
|
|
let client_request = if let Some(addr) = req.head().peer_addr {
|
|
client_request.insert_header(("X-Forwarded-For", addr.to_string()))
|
|
} else {
|
|
client_request
|
|
};
|
|
|
|
let mut res = client_request.send_stream(body).await?;
|
|
|
|
let images = res.json::<Images>().await?;
|
|
|
|
render(HttpResponse::build(res.status()), |cursor| {
|
|
self::templates::images(cursor, images)
|
|
})
|
|
}
|
|
|
|
const THUMBNAIL_SIZES: &[u64] = &[40, 50, 80, 100, 200, 400, 800, 1200];
|
|
|
|
#[derive(Debug, serde::Deserialize)]
|
|
struct ThumbnailQuery {
|
|
image: String,
|
|
}
|
|
|
|
async fn thumbs(
|
|
query: web::Query<ThumbnailQuery>,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let file = query.into_inner().image;
|
|
|
|
let url = CONFIG.upstream_details_url(&file);
|
|
let mut res = client.get(url).send().await?;
|
|
|
|
if res.status() == StatusCode::NOT_FOUND {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
let details: Details = res.json().await?;
|
|
|
|
let image = Image {
|
|
file,
|
|
delete_token: String::new(),
|
|
details,
|
|
};
|
|
|
|
render(HttpResponse::Ok(), |cursor| {
|
|
self::templates::thumbnails(cursor, image, THUMBNAIL_SIZES)
|
|
})
|
|
}
|
|
|
|
async fn image(
|
|
url: String,
|
|
req: HttpRequest,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let client_request = client.request_from(url, req.head());
|
|
let client_request = if let Some(addr) = req.head().peer_addr {
|
|
client_request.insert_header(("X-Forwarded-For", addr.to_string()))
|
|
} else {
|
|
client_request
|
|
};
|
|
|
|
let res = client_request.no_decompress().send().await?;
|
|
|
|
if res.status() == StatusCode::NOT_FOUND {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
let mut client_res = HttpResponse::build(res.status());
|
|
|
|
for (name, value) in res.headers().iter().filter(|(h, _)| *h != "connection") {
|
|
client_res.insert_header((name.clone(), value.clone()));
|
|
}
|
|
|
|
Ok(client_res.body(BodyStream::new(res)))
|
|
}
|
|
|
|
async fn view_original(
|
|
file: web::Path<String>,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let file = file.into_inner();
|
|
|
|
let url = CONFIG.upstream_details_url(&file);
|
|
let mut res = client.get(url).send().await?;
|
|
|
|
if res.status() == StatusCode::NOT_FOUND {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
let details: Details = res.json().await?;
|
|
|
|
let image = Image {
|
|
file,
|
|
delete_token: String::new(),
|
|
details,
|
|
};
|
|
|
|
render(HttpResponse::Ok(), |cursor| {
|
|
self::templates::view(cursor, image, None)
|
|
})
|
|
}
|
|
|
|
async fn view(
|
|
parts: web::Path<(u64, String)>,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let (size, file) = parts.into_inner();
|
|
|
|
if !valid_thumbnail_size(size) {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
let url = CONFIG.upstream_details_url(&file);
|
|
let mut res = client.get(url).send().await?;
|
|
|
|
if res.status() == StatusCode::NOT_FOUND {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
let details: Details = res.json().await?;
|
|
|
|
let image = Image {
|
|
file,
|
|
delete_token: String::new(),
|
|
details,
|
|
};
|
|
|
|
render(HttpResponse::Ok(), |cursor| {
|
|
self::templates::view(cursor, image, Some(size))
|
|
})
|
|
}
|
|
|
|
async fn thumbnail(
|
|
parts: web::Path<(u64, FileType, String)>,
|
|
req: HttpRequest,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let (size, filetype, file) = parts.into_inner();
|
|
|
|
if valid_thumbnail_size(size) {
|
|
let url = CONFIG.upstream_thumbnail_url(size, &file, filetype);
|
|
|
|
return image(url, req, client).await;
|
|
}
|
|
|
|
Ok(to_404())
|
|
}
|
|
|
|
fn valid_thumbnail_size(size: u64) -> bool {
|
|
THUMBNAIL_SIZES.contains(&size)
|
|
}
|
|
|
|
async fn full_res(
|
|
filename: web::Path<String>,
|
|
req: HttpRequest,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let url = CONFIG.upstream_image_url(&filename.into_inner());
|
|
|
|
image(url, req, client).await
|
|
}
|
|
|
|
async fn static_files(filename: web::Path<String>) -> HttpResponse {
|
|
let filename = filename.into_inner();
|
|
|
|
if let Some(data) = self::templates::statics::StaticFile::get(&filename) {
|
|
return HttpResponse::Ok()
|
|
.insert_header(LastModified(SystemTime::now().into()))
|
|
.insert_header(CacheControl(vec![
|
|
CacheDirective::Public,
|
|
CacheDirective::MaxAge(365 * DAYS),
|
|
CacheDirective::Extension("immutable".to_owned(), None),
|
|
]))
|
|
.insert_header(ContentType(data.mime.clone()))
|
|
.body(data.content);
|
|
}
|
|
|
|
to_404()
|
|
}
|
|
|
|
#[derive(Debug, serde::Deserialize)]
|
|
struct DeleteQuery {
|
|
token: String,
|
|
file: String,
|
|
|
|
#[serde(default)]
|
|
confirm: bool,
|
|
}
|
|
|
|
async fn delete(
|
|
query: web::Query<DeleteQuery>,
|
|
client: web::Data<Client>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let DeleteQuery {
|
|
token,
|
|
file,
|
|
confirm,
|
|
} = query.into_inner();
|
|
|
|
let url = CONFIG.upstream_details_url(&file);
|
|
let mut res = client.get(url).send().await?;
|
|
|
|
if res.status() == StatusCode::NOT_FOUND {
|
|
return Ok(to_404());
|
|
}
|
|
|
|
if confirm {
|
|
let url = CONFIG.upstream_delete_url(&token, &file);
|
|
client.delete(url).send().await?;
|
|
|
|
render(HttpResponse::Ok(), |cursor| {
|
|
self::templates::deleted(cursor, &file)
|
|
})
|
|
} else {
|
|
let details: Details = res.json().await?;
|
|
|
|
render(HttpResponse::Ok(), move |cursor| {
|
|
self::templates::confirm_delete(
|
|
cursor,
|
|
&Image {
|
|
file,
|
|
delete_token: token,
|
|
details,
|
|
},
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
fn to_404() -> HttpResponse {
|
|
HttpResponse::TemporaryRedirect()
|
|
.insert_header((LOCATION, "/404"))
|
|
.finish()
|
|
}
|
|
|
|
async fn not_found() -> Result<HttpResponse, Error> {
|
|
render(HttpResponse::NotFound(), |cursor| {
|
|
self::templates::not_found(cursor)
|
|
})
|
|
}
|
|
|
|
async fn go_home() -> HttpResponse {
|
|
HttpResponse::TemporaryRedirect()
|
|
.insert_header((LOCATION, "/"))
|
|
.finish()
|
|
}
|
|
|
|
fn render(
|
|
mut builder: HttpResponseBuilder,
|
|
f: impl FnOnce(&mut Cursor<&mut Vec<u8>>) -> Result<(), std::io::Error>,
|
|
) -> Result<HttpResponse, Error> {
|
|
let min = {
|
|
let mut bytes = vec![];
|
|
(f)(&mut Cursor::new(&mut bytes))?;
|
|
minify_html::minify(&bytes, &minify_html::Cfg::spec_compliant())
|
|
};
|
|
|
|
Ok(builder
|
|
.content_type(mime::TEXT_HTML.essence_str())
|
|
.body(min))
|
|
}
|
|
|
|
#[actix_rt::main]
|
|
async fn main() -> Result<(), anyhow::Error> {
|
|
dotenv::dotenv().ok();
|
|
|
|
if std::env::var("RUST_LOG").is_err() {
|
|
std::env::set_var("RUST_LOG", "info");
|
|
}
|
|
|
|
env_logger::init();
|
|
|
|
HttpServer::new(move || {
|
|
let client = Client::builder()
|
|
.header("User-Agent", "pict-rs-frontend, v0.1.0")
|
|
.timeout(Duration::from_secs(30))
|
|
.finish();
|
|
|
|
App::new()
|
|
.app_data(web::Data::new(client))
|
|
.wrap(Logger::default())
|
|
.service(web::resource("/").route(web::get().to(index)))
|
|
.service(web::resource("/upload").route(web::post().to(upload)))
|
|
.service(web::resource("/image/{filename}").route(web::get().to(full_res)))
|
|
.service(web::resource("thumbnails").route(web::get().to(thumbs)))
|
|
.service(web::resource("/view/{size}/{filename}").route(web::get().to(view)))
|
|
.service(web::resource("/view/{filename}").route(web::get().to(view_original)))
|
|
.service(
|
|
web::resource("/thumb/{size}/{filetype}/{filename}")
|
|
.route(web::get().to(thumbnail)),
|
|
)
|
|
.service(web::resource("/static/{filename}").route(web::get().to(static_files)))
|
|
.service(web::resource("/delete").route(web::get().to(delete)))
|
|
.service(web::resource("/404").route(web::get().to(not_found)))
|
|
.default_service(web::get().to(go_home))
|
|
})
|
|
.bind(CONFIG.addr)?
|
|
.run()
|
|
.await?;
|
|
|
|
Ok(())
|
|
}
|