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
pub use http::header::{HeaderName, HeaderValue, InvalidHeaderValue};
pub(crate) mod map;
pub use self::map::HeaderMap;
#[doc(hidden)]
pub use self::map::{AsName, GetAll};
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum ContentEncoding {
Auto,
Br,
Deflate,
Gzip,
Identity,
}
impl ContentEncoding {
#[inline]
pub fn is_compressed(self) -> bool {
!matches!(self, ContentEncoding::Identity | ContentEncoding::Auto)
}
#[inline]
pub fn as_str(self) -> &'static str {
match self {
ContentEncoding::Br => "br",
ContentEncoding::Gzip => "gzip",
ContentEncoding::Deflate => "deflate",
ContentEncoding::Identity | ContentEncoding::Auto => "identity",
}
}
#[inline]
pub fn quality(self) -> f64 {
match self {
ContentEncoding::Br => 1.1,
ContentEncoding::Gzip => 1.0,
ContentEncoding::Deflate => 0.9,
ContentEncoding::Identity | ContentEncoding::Auto => 0.1,
}
}
}
impl<'a> From<&'a str> for ContentEncoding {
fn from(s: &'a str) -> ContentEncoding {
let s = s.trim();
if s.eq_ignore_ascii_case("br") {
ContentEncoding::Br
} else if s.eq_ignore_ascii_case("gzip") {
ContentEncoding::Gzip
} else if s.eq_ignore_ascii_case("deflate") {
ContentEncoding::Deflate
} else {
ContentEncoding::Identity
}
}
}
impl From<http::HeaderMap> for HeaderMap {
fn from(map: http::HeaderMap) -> HeaderMap {
let mut new_map = HeaderMap::with_capacity(map.capacity());
for (h, v) in map.iter() {
new_map.append(h.clone(), v.clone());
}
new_map
}
}
pub use http::header::{
ACCEPT, ACCEPT_CHARSET, ACCEPT_ENCODING, ACCEPT_LANGUAGE, ACCEPT_RANGES,
ACCESS_CONTROL_ALLOW_CREDENTIALS, ACCESS_CONTROL_ALLOW_HEADERS,
ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN,
ACCESS_CONTROL_EXPOSE_HEADERS, ACCESS_CONTROL_MAX_AGE,
ACCESS_CONTROL_REQUEST_HEADERS, ACCESS_CONTROL_REQUEST_METHOD, AGE, ALLOW, ALT_SVC,
AUTHORIZATION, CACHE_CONTROL, CONNECTION, CONTENT_DISPOSITION, CONTENT_ENCODING,
CONTENT_LANGUAGE, CONTENT_LENGTH, CONTENT_LOCATION, CONTENT_RANGE,
CONTENT_SECURITY_POLICY, CONTENT_SECURITY_POLICY_REPORT_ONLY, CONTENT_TYPE, COOKIE,
DATE, DNT, ETAG, EXPECT, EXPIRES, FORWARDED, FROM, HOST, IF_MATCH,
IF_MODIFIED_SINCE, IF_NONE_MATCH, IF_RANGE, IF_UNMODIFIED_SINCE, LAST_MODIFIED,
LINK, LOCATION, MAX_FORWARDS, ORIGIN, PRAGMA, PROXY_AUTHENTICATE,
PROXY_AUTHORIZATION, PUBLIC_KEY_PINS, PUBLIC_KEY_PINS_REPORT_ONLY, RANGE, REFERER,
REFERRER_POLICY, REFRESH, RETRY_AFTER, SEC_WEBSOCKET_ACCEPT,
SEC_WEBSOCKET_EXTENSIONS, SEC_WEBSOCKET_KEY, SEC_WEBSOCKET_PROTOCOL,
SEC_WEBSOCKET_VERSION, SERVER, SET_COOKIE, STRICT_TRANSPORT_SECURITY, TE, TRAILER,
TRANSFER_ENCODING, UPGRADE, UPGRADE_INSECURE_REQUESTS, USER_AGENT, VARY, VIA,
WARNING, WWW_AUTHENTICATE, X_CONTENT_TYPE_OPTIONS, X_DNS_PREFETCH_CONTROL,
X_FRAME_OPTIONS, X_XSS_PROTECTION,
};
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn encoding() {
assert!(ContentEncoding::Br.is_compressed());
assert!(!ContentEncoding::Identity.is_compressed());
assert!(!ContentEncoding::Auto.is_compressed());
assert_eq!(format!("{:?}", ContentEncoding::Identity), "Identity");
}
}