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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
use response::{Response, Responder};
use http::hyper::header;
use http::Status;
/// An empty redirect response to a given URL.
///
/// This type simplifies returning a redirect response to the client.
#[derive(Debug)]
pub struct Redirect(Status, String);
impl Redirect {
/// Construct a temporary "see other" (303) redirect response. This is the
/// typical response when redirecting a user to another page. This type of
/// redirect indicates that the client should look elsewhere, but always via
/// a `GET` request, for a given resource.
///
/// # Examples
///
/// ```rust
/// use rocket::response::Redirect;
///
/// # #[allow(unused_variables)]
/// let redirect = Redirect::to("/other_url");
/// ```
pub fn to(uri: &str) -> Redirect {
Redirect(Status::SeeOther, String::from(uri))
}
/// Construct a "temporary" (307) redirect response. This response instructs
/// the client to reissue the current request to a different URL,
/// maintaining the contents of the request identically. This means that,
/// for example, a `POST` request will be resent, contents included, to the
/// requested URL.
///
/// # Examples
///
/// ```rust
/// use rocket::response::Redirect;
///
/// # #[allow(unused_variables)]
/// let redirect = Redirect::temporary("/other_url");
/// ```
pub fn temporary(uri: &str) -> Redirect {
Redirect(Status::TemporaryRedirect, String::from(uri))
}
/// Construct a "permanent" (308) redirect response. This redirect must only
/// be used for permanent redirects as it is cached by clients. This
/// response instructs the client to reissue requests for the current URL to
/// a different URL, now and in the future, maintaining the contents of the
/// request identically. This means that, for example, a `POST` request will
/// be resent, contents included, to the requested URL.
///
/// # Examples
///
/// ```rust
/// use rocket::response::Redirect;
///
/// # #[allow(unused_variables)]
/// let redirect = Redirect::permanent("/other_url");
/// ```
pub fn permanent(uri: &str) -> Redirect {
Redirect(Status::PermanentRedirect, String::from(uri))
}
/// Construct a temporary "found" (302) redirect response. This response
/// instructs the client to reissue the current request to a different URL,
/// ideally maintaining the contents of the request identically.
/// Unfortunately, different clients may respond differently to this type of
/// redirect, so `303` or `307` redirects, which disambiguate, are
/// preferred.
///
/// # Examples
///
/// ```rust
/// use rocket::response::Redirect;
///
/// # #[allow(unused_variables)]
/// let redirect = Redirect::found("/other_url");
/// ```
pub fn found(uri: &str) -> Redirect {
Redirect(Status::Found, String::from(uri))
}
/// Construct a permanent "moved" (301) redirect response. This response
/// should only be used for permanent redirects as it can be cached by
/// browsers. Because different clients may respond differently to this type
/// of redirect, a `308` redirect, which disambiguates, is preferred.
///
/// # Examples
///
/// ```rust
/// use rocket::response::Redirect;
///
/// # #[allow(unused_variables)]
/// let redirect = Redirect::moved("/other_url");
/// ```
pub fn moved(uri: &str) -> Redirect {
Redirect(Status::MovedPermanently, String::from(uri))
}
}
/// Constructs a response with the appropriate status code and the given URL in
/// the `Location` header field. The body of the response is empty. This
/// responder does not fail.
impl Responder<'static> for Redirect {
fn respond(self) -> Result<Response<'static>, Status> {
Response::build()
.status(self.0)
.header(header::Location(self.1))
.ok()
}
}