1 extern crate multipart;
2 extern crate nickel;
3
4 use std::io::{self, Write};
5 use nickel::{Action, HttpRouter, MiddlewareResult, Nickel, Request, Response};
6 use nickel::status::StatusCode;
7
8 use multipart::server::nickel::MultipartBody;
9 use multipart::server::{Entries, SaveResult};
10 use multipart::mock::StdoutTee;
11
handle_multipart<'mw>(req: &mut Request, mut res: Response<'mw>) -> MiddlewareResult<'mw>12 fn handle_multipart<'mw>(req: &mut Request, mut res: Response<'mw>) -> MiddlewareResult<'mw> {
13 match (*req).multipart_body() {
14 Some(mut multipart) => {
15 match multipart.save().temp() {
16 SaveResult::Full(entries) => process_entries(res, entries),
17
18 SaveResult::Partial(entries, e) => {
19 println!("Partial errors ... {:?}", e);
20 return process_entries(res, entries.keep_partial());
21 },
22
23 SaveResult::Error(e) => {
24 println!("There are errors in multipart POSTing ... {:?}", e);
25 res.set(StatusCode::InternalServerError);
26 return res.send(format!("Server could not handle multipart POST! {:?}", e));
27 },
28 }
29 }
30 None => {
31 res.set(StatusCode::BadRequest);
32 return res.send("Request seems not was a multipart request")
33 }
34 }
35 }
36
37 /// Processes saved entries from multipart request.
38 /// Returns an OK response or an error.
process_entries<'mw>(res: Response<'mw>, entries: Entries) -> MiddlewareResult<'mw>39 fn process_entries<'mw>(res: Response<'mw>, entries: Entries) -> MiddlewareResult<'mw> {
40 let stdout = io::stdout();
41 let mut res = res.start()?;
42 if let Err(e) = entries.write_debug(StdoutTee::new(&mut res, &stdout)) {
43 writeln!(res, "Error while reading entries: {}", e).expect("writeln");
44 }
45
46 Ok(Action::Halt(res))
47 }
48
main()49 fn main() {
50 let mut srv = Nickel::new();
51
52 srv.post("/multipart_upload/", handle_multipart);
53
54 // Start this example via:
55 //
56 // `cargo run --example nickel --features nickel`
57 //
58 // And - if you are in the root of this repository - do an example
59 // upload via:
60 //
61 // `curl -F file=@LICENSE 'http://localhost:6868/multipart_upload/'`
62 srv.listen("127.0.0.1:6868").expect("Failed to bind server");
63 }
64