monorepo/file-service/src/main.rs

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/*
use iron::headers;
use iron::middleware::Handler;
use iron::modifiers::{Header, Redirect};
use iron::prelude::*;
use iron::response::BodyReader;
use iron::status;
*/
#[macro_use]
extern crate log;
use http::status::StatusCode;
// use mustache::{compile_path, Template};
// use orizentic::{Permissions, ResourceName, Secret};
use build_html::Html;
use bytes::Buf;
use futures_util::{Stream, StreamExt};
use std::{
collections::HashMap,
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io::Read,
net::{IpAddr, Ipv4Addr, SocketAddr},
path::PathBuf,
sync::{Arc, RwLock},
};
use warp::{filters::multipart::Part, Filter};
mod cookies;
mod html;
mod middleware;
mod pages;
mod store;
pub use store::{FileInfo, Store};
/*
fn is_admin(resource: &ResourceName, permissions: &Permissions) -> bool {
let Permissions(perms) = permissions;
ResourceName(String::from(
"https://savanni.luminescent-dreams.com/file-service/",
)) == *resource
&& perms.contains(&String::from("admin"))
}
pub fn compare_etags(info: FileInfo, etag_list: &headers::IfNoneMatch) -> bool {
let current_etag = headers::EntityTag::new(false, info.hash);
match etag_list {
headers::IfNoneMatch::Any => false,
headers::IfNoneMatch::Items(lst) => lst.iter().any(|etag| etag.weak_eq(&current_etag)),
}
}
mod files {
use super::*;
pub struct GetHandler {
pub app: Arc<RwLock<App>>,
}
impl Handler for GetHandler {
fn handle(&self, req: &mut Request) -> IronResult<Response> {
let app = self.app.read().unwrap();
let capture = req.extensions.get::<Router>().unwrap().clone();
let old_etags = req.headers.get::<headers::IfNoneMatch>();
match capture.find("id") {
Some(id) => {
let info = app.get_metadata(String::from(id));
match (info, old_etags) {
(Ok(info_), Some(if_none_match)) => {
if compare_etags(info_, if_none_match) {
return Ok(Response::with(status::NotModified));
}
}
_ => (),
}
match app.get_file(String::from(id)) {
Ok((info, stream)) => Ok(Response::with((
status::Ok,
Header(headers::ContentType(
info.file_type.parse::<iron::mime::Mime>().unwrap(),
)),
Header(headers::ETag(headers::EntityTag::new(false, info.hash))),
BodyReader(stream),
))),
Err(_err) => Ok(Response::with(status::NotFound)),
}
}
_ => Ok(Response::with(status::BadRequest)),
}
}
}
pub struct GetThumbnailHandler {
pub app: Arc<RwLock<App>>,
}
impl Handler for GetThumbnailHandler {
fn handle(&self, req: &mut Request) -> IronResult<Response> {
let app = self.app.read().unwrap();
let capture = req.extensions.get::<Router>().unwrap().clone();
let old_etags = req.headers.get::<headers::IfNoneMatch>();
match capture.find("id") {
Some(id) => {
let info = app.get_metadata(String::from(id));
match (info, old_etags) {
(Ok(info_), Some(if_none_match)) => {
if compare_etags(info_, if_none_match) {
return Ok(Response::with(status::NotModified));
}
}
_ => (),
}
match app.get_thumbnail(id) {
Ok((info, stream)) => Ok(Response::with((
status::Ok,
Header(headers::ContentType(
info.file_type.parse::<iron::mime::Mime>().unwrap(),
)),
Header(headers::ETag(headers::EntityTag::new(false, info.hash))),
BodyReader(stream),
))),
Err(_err) => Ok(Response::with(status::NotFound)),
}
}
_ => Ok(Response::with(status::BadRequest)),
}
}
}
pub struct PostHandler {
pub app: Arc<RwLock<App>>,
}
impl Handler for PostHandler {
fn handle(&self, req: &mut Request) -> IronResult<Response> {
let mut app = self.app.write().unwrap();
let m_token = req.extensions.get::<Authentication>();
match m_token {
Some(token) => {
if token.check_authorizations(is_admin) {
let params = req.get_ref::<Params>().unwrap();
if let Value::File(f_info) = params.get("file").unwrap() {
match app.add_file(
&f_info.path,
&f_info.filename.clone().map(|fname| PathBuf::from(fname)),
) {
Ok(_) => Ok(Response::with((
status::MovedPermanently,
Redirect(router::url_for(req, "index", HashMap::new())),
))),
Err(_) => Ok(Response::with(status::InternalServerError)),
}
} else {
Ok(Response::with(status::BadRequest))
}
} else {
Ok(Response::with(status::Forbidden))
}
}
None => Ok(Response::with(status::Forbidden)),
}
}
}
pub struct DeleteHandler {
pub app: Arc<RwLock<App>>,
}
impl Handler for DeleteHandler {
fn handle(&self, req: &mut Request) -> IronResult<Response> {
let mut app = self.app.write().unwrap();
let capture = req.extensions.get::<Router>().unwrap().clone();
let m_token = req.extensions.get::<Authentication>();
match m_token {
Some(token) => {
if token.check_authorizations(is_admin) {
match capture.find("id") {
Some(id) => match app.delete_file(String::from(id)) {
Ok(()) => Ok(Response::with((
status::MovedPermanently,
Redirect(router::url_for(req, "index", HashMap::new())),
))),
Err(_) => Ok(Response::with(status::InternalServerError)),
},
None => Ok(Response::with(status::BadRequest)),
}
} else {
Ok(Response::with(status::Forbidden))
}
}
None => Ok(Response::with(status::Forbidden)),
}
}
}
}
fn css(_: &mut Request) -> IronResult<Response> {
let mut css: String = String::from("");
File::open("templates/style.css")
.unwrap()
.read_to_string(&mut css)
.unwrap();
Ok(Response::with((
status::Ok,
Header(headers::ContentType(iron::mime::Mime(
iron::mime::TopLevel::Text,
iron::mime::SubLevel::Css,
vec![],
))),
css,
)))
}
fn script(_: &mut Request) -> IronResult<Response> {
let mut js: String = String::from("");
File::open("templates/script.js")
.unwrap()
.read_to_string(&mut js)
.unwrap();
Ok(Response::with((
status::Ok,
Header(headers::ContentType(iron::mime::Mime(
iron::mime::TopLevel::Text,
iron::mime::SubLevel::Javascript,
vec![],
))),
js,
)))
}
*/
fn serve_file(
info: FileInfo,
mut file: std::fs::File,
old_etags: Option<String>,
) -> http::Result<http::Response<Vec<u8>>> {
let mut content = Vec::new();
match old_etags {
Some(old_etags) if old_etags != info.hash => warp::http::Response::builder()
.header("content-type", info.file_type)
.status(StatusCode::NOT_MODIFIED)
.body(content),
_ => {
let _ = file.read_to_end(&mut content);
warp::http::Response::builder()
.header("content-type", info.file_type)
.header("etag", info.hash)
.status(StatusCode::OK)
.body(content)
}
}
}
async fn collect_content(mut part: Part) -> Result<(Option<String>, Vec<u8>), String> {
let mut content: Vec<u8> = Vec::new();
while let Some(Ok(data)) = part.data().await {
let mut reader = data.reader();
reader.read_to_end(&mut content).unwrap();
}
Ok((part.filename().map(|s| s.to_owned()), content))
}
async fn collect_multipart(
mut stream: warp::filters::multipart::FormData,
) -> Result<Vec<(Option<String>, Vec<u8>)>, warp::Error> {
let mut content: Vec<(Option<String>, Vec<u8>)> = Vec::new();
while let Some(part) = stream.next().await {
match part {
Ok(part) => content.push(collect_content(part).await.unwrap()),
Err(err) => return Err(err),
}
}
Ok(content)
}
#[tokio::main]
pub async fn main() {
/*
let auth_db_path = std::env::var("ORIZENTIC_DB").unwrap();
let secret = Secret(Vec::from(
std::env::var("ORIZENTIC_SECRET").unwrap().as_bytes(),
));
let auth_middleware = Authentication::new(secret, auth_db_path);
let mut router = Router::new();
router.post("/", files::PostHandler { app: app.clone() }, "upload-file");
router.delete(
"/:id",
files::DeleteHandler { app: app.clone() },
"delete-file",
);
router.get("/css", css, "styles");
router.get("/script", script, "script");
let mut chain = Chain::new(router);
chain.link_before(auth_middleware);
chain.link_before(RestForm {});
Iron::new(chain).http("0.0.0.0:3000").unwrap();
*/
/*
let root = warp::path!().and(warp::get()).map({
|| {
warp::http::Response::builder()
.header("content-type", "text/html")
.status(StatusCode::NOT_MODIFIED)
.body(())
}
});
let server = warp::serve(root);
server
.run(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8002))
.await;
*/
pretty_env_logger::init();
let app = Arc::new(RwLock::new(Store::new(PathBuf::from(
&std::env::var("FILE_SHARE_DIR").unwrap(),
))));
let log = warp::log("file_service");
let root = warp::path!().and(warp::get()).map({
let app = app.clone();
move || {
info!("root handler");
warp::http::Response::builder()
.header("content-type", "text/html")
.status(StatusCode::OK)
.body(pages::index(app.read().unwrap().list_files()).to_html_string())
}
});
/*
let post_handler = warp::path!(String)
.and(warp::post())
.and(warp::filters::body::form())
.map(|id: String, form: HashMap<String, String>| {
info!("post_delete {}", id);
info!("form: {:?}", form);
warp::http::Response::builder()
.header("location", "/")
.status(StatusCode::SEE_OTHER)
.body(vec![])
});
*/
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let thumbnail = warp::path!(String / "tn")
.and(warp::get())
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.and(warp::header::optional::<String>("if-none-match"))
.map({
let app = app.clone();
move |id: String, old_etags: Option<String>| match app
.read()
.unwrap()
.get_thumbnail(&id)
{
Ok((info, file)) => serve_file(info, file, old_etags),
Err(_err) => warp::http::Response::builder()
.status(StatusCode::NOT_FOUND)
.body(vec![]),
}
});
let file = warp::path!(String)
.and(warp::get())
.and(warp::header::optional::<String>("if-none-match"))
.map({
let app = app.clone();
move |id: String, old_etags: Option<String>| match app.read().unwrap().get_file(&id) {
Ok((info, file)) => serve_file(info, file, old_etags),
Err(_err) => warp::http::Response::builder()
.status(StatusCode::NOT_FOUND)
.body(vec![]),
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}
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});
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let upload = warp::path!()
.and(warp::post())
.and(warp::filters::multipart::form().max_length(1024 * 1024 * 32))
.then(|form: warp::filters::multipart::FormData| async move {
let files = collect_multipart(form).await;
/*
for (filename, content) in files {
app.write()
.unwrap()
.add_file(Some(filename), content)
.unwrap();
}
*/
println!("file length: {:?}", files.map(|f| f.len()));
warp::reply()
});
let delete = warp::path!(String).and(warp::delete()).map(|id: String| {
println!("delete {}", id);
warp::reply()
});
/*
let server = warp::serve(
root.or(post_handler)
.or(file)
.or(thumbnail)
.or(upload)
.or(delete)
.with(log),
);
*/
let server = warp::serve(root.or(upload).with(log));
server
.run(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8002))
.await;
}