nickel 0.8.1

An express.js inspired web framework
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

use {Response, MiddlewareResult};
use hyper::header;
use status::StatusCode;

pub trait Redirect: Sized {
    type Result;

    /// Redirect the response to a given target
    ///
    /// # Examples
    /// ```{rust}
    /// #[macro_use] extern crate nickel;
    ///
    /// use nickel::{Nickel, HttpRouter};
    /// use nickel::extensions::Redirect;
    ///
    /// fn main() {
    ///     let mut server = Nickel::new();
    ///     server.get("/a", middleware! { |_, res|
    ///         return res.redirect("http://nickel.rs")
    ///     });
    /// }
    /// ```
    fn redirect<T>(self, target: T) -> Self::Result
    where T: Into<String> {
        self.redirect_with(target, StatusCode::Found)
    }

    fn redirect_permanently<T>(self, target: T) -> Self::Result
    where T: Into<String> {
        self.redirect_with(target, StatusCode::MovedPermanently)
    }

    fn redirect_with<T>(self, target: T, status: StatusCode) -> Self::Result
    where T: Into<String>;
}

impl<'a, D> Redirect for Response<'a, D> {
    type Result = MiddlewareResult<'a, D>;

    fn redirect_with<T>(mut self, target: T, status: StatusCode) -> Self::Result
    where T: Into<String> {
        self.set(header::Location(target.into()));

        let code = status.to_u16();
        if code < 300 || code >= 400 {
            self.error(StatusCode::InternalServerError, "redirect_with called with non-3xx status code")
        } else {
            self.send(status)
        }
    }
}