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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
use crate::response::IntoResponse;
use async_trait::async_trait;
use http::{request::Parts, Request};
use std::convert::Infallible;
pub mod rejection;
mod default_body_limit;
mod from_ref;
mod request_parts;
mod tuple;
pub(crate) use self::default_body_limit::DefaultBodyLimitKind;
pub use self::{default_body_limit::DefaultBodyLimit, from_ref::FromRef};
mod private {
#[derive(Debug, Clone, Copy)]
pub enum ViaParts {}
#[derive(Debug, Clone, Copy)]
pub enum ViaRequest {}
}
#[async_trait]
#[cfg_attr(
nightly_error_messages,
rustc_on_unimplemented(
note = "Function argument is not a valid axum extractor. \nSee `https://docs.rs/axum/latest/axum/extract/index.html` for details",
)
)]
pub trait FromRequestParts<S>: Sized {
type Rejection: IntoResponse;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection>;
}
#[async_trait]
#[cfg_attr(
nightly_error_messages,
rustc_on_unimplemented(
note = "Function argument is not a valid axum extractor. \nSee `https://docs.rs/axum/latest/axum/extract/index.html` for details",
)
)]
pub trait FromRequest<S, B, M = private::ViaRequest>: Sized {
type Rejection: IntoResponse;
async fn from_request(req: Request<B>, state: &S) -> Result<Self, Self::Rejection>;
}
#[async_trait]
impl<S, B, T> FromRequest<S, B, private::ViaParts> for T
where
B: Send + 'static,
S: Send + Sync,
T: FromRequestParts<S>,
{
type Rejection = <Self as FromRequestParts<S>>::Rejection;
async fn from_request(req: Request<B>, state: &S) -> Result<Self, Self::Rejection> {
let (mut parts, _) = req.into_parts();
Self::from_request_parts(&mut parts, state).await
}
}
#[async_trait]
impl<S, T> FromRequestParts<S> for Option<T>
where
T: FromRequestParts<S>,
S: Send + Sync,
{
type Rejection = Infallible;
async fn from_request_parts(
parts: &mut Parts,
state: &S,
) -> Result<Option<T>, Self::Rejection> {
Ok(T::from_request_parts(parts, state).await.ok())
}
}
#[async_trait]
impl<S, T, B> FromRequest<S, B> for Option<T>
where
T: FromRequest<S, B>,
B: Send + 'static,
S: Send + Sync,
{
type Rejection = Infallible;
async fn from_request(req: Request<B>, state: &S) -> Result<Option<T>, Self::Rejection> {
Ok(T::from_request(req, state).await.ok())
}
}
#[async_trait]
impl<S, T> FromRequestParts<S> for Result<T, T::Rejection>
where
T: FromRequestParts<S>,
S: Send + Sync,
{
type Rejection = Infallible;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
Ok(T::from_request_parts(parts, state).await)
}
}
#[async_trait]
impl<S, T, B> FromRequest<S, B> for Result<T, T::Rejection>
where
T: FromRequest<S, B>,
B: Send + 'static,
S: Send + Sync,
{
type Rejection = Infallible;
async fn from_request(req: Request<B>, state: &S) -> Result<Self, Self::Rejection> {
Ok(T::from_request(req, state).await)
}
}