http_header 0.7.0

A simple, dependency-less HTTP-header builder and parser
Documentation 
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

#[macro_use] extern crate http_header;
use http_header::{
	HttpError, Header, ResponseHeader,
	data::{
		Data,
		encodings::{ Ascii, HeaderFieldKey }
	}
};
use std::{ collections::HashMap, convert::TryInto };


macro_rules! map {
	($($key:expr => $value:expr),+) => ({
		let mut map = ::std::collections::HashMap::new();
		$( map.insert(data!($key), data!($value)); )*
		map
	});
	() => (::std::collections::HashMap::new());
}


struct Test {
	data: &'static[u8],
	version: &'static str,
	status: u16,
	reason: &'static str,
	fields: HashMap<Data<HeaderFieldKey>, Data<Ascii>>,
	body: &'static[u8]
}
impl Test {
	fn test(self) {
		let (header, body) = Header::scan(self.data).unwrap();
		let header: ResponseHeader = Header::parse(header).unwrap().try_into().unwrap();
		
		assert_eq!(self.version, header.version());
		assert_eq!(self.status, header.status());
		assert_eq!(self.reason, header.reason());
		assert_eq!(&self.fields, header.fields());
		assert_eq!(self.body, body);
	}
}
#[test]
fn test() {
	Test {
		data: b"HTTP/1.1 200 OK\r\n\r\n",
		version: "HTTP/1.1", status: 200, reason: "OK",
		fields: map!(),
		body: b""
	}.test();
	
	Test {
		data: concat!(
			"HTTP/1.1 200 OK\r\n",
			"Server: nginx\r\n",
			"Date: Sun, 26 May 2019 22:02:50 GMT\r\n",
			"Content-Type: text/html; charset=UTF-8\r\n",
			"Last-Modified: Sun, 26 May 2019 22:02:50 GMT\r\n",
			"Cache-Control: public, max-age=30\r\n",
			"Age: 25\r\n",
			"Strict-Transport-Security: max-age=15768000\r\n",
			"X-Frame-Options: DENY\r\n",
			"X-XSS-Protection: 1; mode=block\r\n",
			"X-Content-Type-Options: nosniff\r\n",
			"Vary: Accept-Encoding,X-Export-Format,X-Export-Agent\r\n",
			"Accept-Ranges: bytes\r\n",
			"Content-Length: 417889\r\n",
			"Connection: keep-alive\r\n",
			"\r\n",
			"Test\r\nBODY\r\nolope"
		).as_bytes(),
		version: "HTTP/1.1", status: 200, reason: "OK",
		fields: map!(
			"Server" => "nginx",
			"Date" => "Sun, 26 May 2019 22:02:50 GMT",
			"Content-Type" => "text/html; charset=UTF-8",
			"Last-Modified" => "Sun, 26 May 2019 22:02:50 GMT",
			"Cache-Control" => "public, max-age=30",
			"Age" => "25",
			"Strict-Transport-Security" => "max-age=15768000",
			"X-Frame-Options" => "DENY",
			"X-XSS-Protection" => "1; mode=block",
			"X-Content-Type-Options" => "nosniff",
			"Vary" => "Accept-Encoding,X-Export-Format,X-Export-Agent",
			"Accept-Ranges" => "bytes",
			"Content-Length" => "417889",
			"Connection" => "keep-alive"
		),
		body: b"Test\r\nBODY\r\nolope"
	}.test();
}


struct TestErr {
	data: &'static[u8],
	e: HttpError
}
impl TestErr {
	fn test(self) {
		fn catch(data: &'static[u8]) -> Result<(), HttpError> {
			let _: ResponseHeader = Header::parse(data)?.try_into()?;
			Ok(())
		}
		assert_eq!(self.e, catch(self.data).unwrap_err())
	}
}
#[test]
fn test_err() {
	TestErr{ data: b"HTTP/1.1 200 OK\r\n", e: HttpError::TruncatedData }.test();
	TestErr{ data: b"\r\n\r\n", e: HttpError::ProtocolViolation }.test();
	TestErr{ data: b"HTTP/1.1 200 \r\n\r\n", e: HttpError::ProtocolViolation }.test();
	TestErr{ data: b"HTT\xC3\x9F/1.1 200 OK\r\n\r\n", e: HttpError::InvalidEncoding }.test();
	TestErr{ data: b"HTTP/1.1 20O OK\r\n\r\n", e: HttpError::InvalidEncoding }.test();
	TestErr{ data: b"HTTP/1.1 200 \xC3\x96K\r\n\r\n", e: HttpError::InvalidEncoding }.test();
	
	TestErr {
		data: concat!(
			"HTTP/1.1 200 OK\r\n",
			"Server: nginx\r\n",
			"Date \r\n",
			"\r\n"
		).as_bytes(), e: HttpError::ProtocolViolation
	}.test();
	
	TestErr {
		data: concat!(
			"HTTP/1.1 200 OK\r\n",
			"Server: nginx\r\n",
			"Date: Sun, 26 May 2019 22:02:50 GMT\r\n",
			"Content Type: text/html; charset=UTF-8\r\n",
			"\r\n"
		).as_bytes(), e: HttpError::InvalidEncoding
	}.test();
}