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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
use std::fmt;
use std::str::FromStr;
use bytes::{Bytes, BytesMut};
use http::{Error as HttpError};
use http::header::GetAll;
use mime::Mime;
pub use cookie::{Cookie, CookieBuilder};
pub use http_range::HttpRange;
#[doc(hidden)]
pub mod http {
pub use http::header::*;
}
use error::ParseError;
use httpmessage::HttpMessage;
pub use httpresponse::ConnectionType;
mod common;
mod shared;
#[doc(hidden)]
pub use self::common::*;
#[doc(hidden)]
pub use self::shared::*;
#[doc(hidden)]
pub trait Header where Self: IntoHeaderValue {
fn name() -> http::HeaderName;
fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError>;
}
#[doc(hidden)]
pub trait IntoHeaderValue: Sized {
type Error: Into<HttpError>;
fn try_into(self) -> Result<http::HeaderValue, Self::Error>;
}
impl IntoHeaderValue for http::HeaderValue {
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
Ok(self)
}
}
impl<'a> IntoHeaderValue for &'a str {
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
self.parse()
}
}
impl<'a> IntoHeaderValue for &'a [u8] {
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_bytes(self)
}
}
impl IntoHeaderValue for Bytes {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(self)
}
}
impl IntoHeaderValue for Vec<u8> {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(self))
}
}
impl IntoHeaderValue for String {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(self))
}
}
impl IntoHeaderValue for Mime {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(format!("{}", self)))
}
}
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum ContentEncoding {
Auto,
#[cfg(feature="brotli")]
Br,
Deflate,
Gzip,
Identity,
}
impl ContentEncoding {
#[inline]
pub fn is_compression(&self) -> bool {
match *self {
ContentEncoding::Identity | ContentEncoding::Auto => false,
_ => true
}
}
#[inline]
pub fn as_str(&self) -> &'static str {
match *self {
#[cfg(feature="brotli")]
ContentEncoding::Br => "br",
ContentEncoding::Gzip => "gzip",
ContentEncoding::Deflate => "deflate",
ContentEncoding::Identity | ContentEncoding::Auto => "identity",
}
}
pub fn quality(&self) -> f64 {
match *self {
#[cfg(feature="brotli")]
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 {
match s.trim().to_lowercase().as_ref() {
#[cfg(feature="brotli")]
"br" => ContentEncoding::Br,
"gzip" => ContentEncoding::Gzip,
"deflate" => ContentEncoding::Deflate,
_ => ContentEncoding::Identity,
}
}
}
#[doc(hidden)]
pub(crate) struct Writer {
buf: BytesMut,
}
impl Writer {
fn new() -> Writer {
Writer{buf: BytesMut::new()}
}
fn take(&mut self) -> Bytes {
self.buf.take().freeze()
}
}
impl fmt::Write for Writer {
#[inline]
fn write_str(&mut self, s: &str) -> fmt::Result {
self.buf.extend_from_slice(s.as_bytes());
Ok(())
}
#[inline]
fn write_fmt(&mut self, args: fmt::Arguments) -> fmt::Result {
fmt::write(self, args)
}
}
#[inline]
#[doc(hidden)]
pub fn from_comma_delimited<T: FromStr>(all: GetAll<http::HeaderValue>)
-> Result<Vec<T>, ParseError>
{
let mut result = Vec::new();
for h in all {
let s = h.to_str().map_err(|_| ParseError::Header)?;
result.extend(s.split(',')
.filter_map(|x| match x.trim() {
"" => None,
y => Some(y)
})
.filter_map(|x| x.trim().parse().ok()))
}
Ok(result)
}
#[inline]
#[doc(hidden)]
pub fn from_one_raw_str<T: FromStr>(val: Option<&http::HeaderValue>)
-> Result<T, ParseError>
{
if let Some(line) = val {
let line = line.to_str().map_err(|_| ParseError::Header)?;
if !line.is_empty() {
return T::from_str(line).or(Err(ParseError::Header))
}
}
Err(ParseError::Header)
}
#[inline]
#[doc(hidden)]
pub fn fmt_comma_delimited<T>(f: &mut fmt::Formatter, parts: &[T]) -> fmt::Result
where T: fmt::Display
{
let mut iter = parts.iter();
if let Some(part) = iter.next() {
fmt::Display::fmt(part, f)?;
}
for part in iter {
f.write_str(", ")?;
fmt::Display::fmt(part, f)?;
}
Ok(())
}