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

// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
// ┃ Copyright: (c) 2023, Mike 'PhiSyX' S. (https://github.com/PhiSyX)         ┃
// ┃ SPDX-License-Identifier: MPL-2.0                                          ┃
// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
// ┃                                                                           ┃
// ┃  This Source Code Form is subject to the terms of the Mozilla Public      ┃
// ┃  License, v. 2.0. If a copy of the MPL was not distributed with this      ┃
// ┃  file, You can obtain one at https://mozilla.org/MPL/2.0/.                ┃
// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛

use axum::http;

use crate::http::{HttpContext, HttpContextInterface};
use crate::state::State;

// ----------- //
// Énumération //
// ----------- //

#[derive(Debug)]
#[derive(thiserror::Error)]
#[error("\n\t{}: {0}", std::any::type_name::<Self>())]
pub enum HttpContextError {
	Extension(#[from] axum::extract::rejection::ExtensionRejection),
	Infaillible(#[from] std::convert::Infallible),
	MissingExtension,
}

// -------------- //
// Implémentation // -> Interface
// -------------- //

#[axum::async_trait]
impl<C, S> axum::extract::FromRequestParts<State<S>> for HttpContext<C>
where
	C: 'static,
	C: HttpContextInterface,
	S: 'static,
	S: Send + Sync,
	<C as HttpContextInterface>::State: Send + Sync,
	<C as HttpContextInterface>::State: axum::extract::FromRef<State<S>>,
{
	type Rejection = HttpContextError;

	async fn from_request_parts(
		parts: &mut axum::http::request::Parts,
		state: &State<S>,
	) -> Result<Self, Self::Rejection> {
		// Context
		let axum::extract::State(extracts) = axum::extract::State::<
			<C as HttpContextInterface>::State,
		>::from_request_parts(parts, state)
		.await?;

		let context = C::new(&parts.extensions, extracts)
			.await
			.ok_or(HttpContextError::MissingExtension)?
			.shared();

		// Request
		let axum::extract::ConnectInfo(ip) =
			axum::extract::ConnectInfo::from_request_parts(parts, state)
				.await?;
		let method = parts.method.clone();
		let axum::extract::OriginalUri(uri) =
			axum::extract::OriginalUri::from_request_parts(parts, state)
				.await?;
		let axum::extract::RawQuery(raw_query) =
			axum::extract::RawQuery::from_request_parts(parts, state).await?;
		let referer =
			axum::TypedHeader::<axum::headers::Referer>::from_request_parts(
				parts, state,
			)
			.await
			.map(|ext| ext.0)
			.ok();
		let request = crate::http::HttpRequest {
			context: context.clone(),
			ip,
			method,
			uri,
			raw_query,
			referer,
		};

		// Response
		let response = crate::http::HttpResponse {
			context: context.clone(),
		};

		// Cookies
		#[cfg(feature = "cookies")]
		{
			let cookie_key = state.cookie_key.as_ref().unwrap().clone();
			let cookies_manager =
				tower_cookies::Cookies::from_request_parts(parts, state)
					.await
					.expect("Cookies Manager");
			let cookies =
				crate::http::cookies::Cookies::new(cookies_manager, cookie_key);

			let session_handle = parts
				.extensions
				.get::<axum_sessions::SessionHandle>()
				.cloned()
				.expect("Impossible d'extraire la session");

			Ok(Self {
				context,
				request,
				response,
				cookies,
				session: crate::http::context::SessionContext {
					handle: session_handle,
				},
			})
		}

		#[cfg(not(feature = "cookies"))]
		{
			Ok(Self {
				context,
				request,
				response,
			})
		}
	}
}

impl axum::response::IntoResponse for HttpContextError {
	fn into_response(self) -> axum::response::Response {
		let err_status = http::StatusCode::INTERNAL_SERVER_ERROR;
		let err_body = self.to_string();
		(err_status, err_body).into_response()
	}
}