117 lines
2.3 KiB
Rust
117 lines
2.3 KiB
Rust
use std::{
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convert::Infallible,
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error::Error,
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path::PathBuf,
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sync::Arc,
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net::SocketAddr,
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};
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use hyper::{
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Body,
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Request,
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Response,
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Server,
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service::{
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make_service_fn,
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service_fn,
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},
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StatusCode,
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};
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use ptth::{
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http_serde::RequestParts,
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server::file_server,
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};
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struct ServerState <'a> {
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handlebars: Arc <handlebars::Handlebars <'a>>,
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}
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fn status_reply <B: Into <Body>> (status: StatusCode, b: B)
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-> Response <Body>
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{
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Response::builder ().status (status).body (b.into ()).unwrap ()
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}
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fn prefix_match <'a> (hay: &'a str, needle: &str) -> Option <&'a str>
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{
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if hay.starts_with (needle) {
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Some (&hay [needle.len ()..])
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}
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else {
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None
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}
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}
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async fn handle_all (req: Request <Body>, state: Arc <ServerState <'static>>)
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-> Result <Response <Body>, Infallible>
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{
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let path = req.uri ().path ();
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//println! ("{}", path);
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if let Some (path) = prefix_match (path, "/files") {
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let root = PathBuf::from ("./");
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let path = path.into ();
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let (parts, _) = req.into_parts ();
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let ptth_req = match RequestParts::from_hyper (parts.method, path, parts.headers) {
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Ok (x) => x,
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_ => return Ok (status_reply (StatusCode::BAD_REQUEST, "Bad request")),
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};
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let ptth_resp = file_server::serve_all (state.handlebars.clone (), &root, ptth_req).await;
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let mut resp = Response::builder ()
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.status (StatusCode::from (ptth_resp.parts.status_code));
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use std::str::FromStr;
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for (k, v) in ptth_resp.parts.headers.into_iter () {
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resp = resp.header (hyper::header::HeaderName::from_str (&k).unwrap (), v);
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}
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let body = ptth_resp.body
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.map (|b| Body::wrap_stream (b))
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.unwrap_or_else (|| Body::empty ())
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;
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let resp = resp.body (body).unwrap ();
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Ok (resp)
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}
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else {
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Ok (status_reply (StatusCode::NOT_FOUND, "404 Not Found\n"))
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}
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}
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#[tokio::main]
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async fn main () -> Result <(), Box <dyn Error>> {
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let addr = SocketAddr::from(([0, 0, 0, 0], 4000));
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let handlebars = Arc::new (file_server::load_templates ()?);
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let state = Arc::new (ServerState {
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handlebars,
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});
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let make_svc = make_service_fn (|_conn| {
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let state = state.clone ();
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async {
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Ok::<_, Infallible> (service_fn (move |req| {
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let state = state.clone ();
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handle_all (req, state)
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}))
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}
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});
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let server = Server::bind (&addr).serve (make_svc);
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server.await?;
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Ok (())
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}
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