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
extern crate flate2;
extern crate iron;
use std::io::Write;
use flate2::Compression;
use flate2::write::{DeflateEncoder, GzEncoder};
use iron::Response;
use iron::headers::{ContentEncoding, Encoding};
use iron::modifier::Modifier;
pub struct DeflateWriter<'a>(pub &'a [u8]);
pub struct GzipWriter<'a>(pub &'a [u8]);
impl<'a> Modifier<Response> for DeflateWriter<'a> {
fn modify(self, res: &mut Response) {
res.headers.set(ContentEncoding(vec![Encoding::Deflate]));
let mut encoder = DeflateEncoder::new(Vec::new(), Compression::Best);
let _ = encoder.write_all(self.0);
let compressed_bytes = encoder.finish().unwrap();
compressed_bytes.modify(res);
}
}
impl<'a> Modifier<Response> for GzipWriter<'a> {
fn modify(self, res: &mut Response) {
res.headers.set(ContentEncoding(vec![Encoding::Gzip]));
let mut encoder = GzEncoder::new(Vec::new(), Compression::Best);
let _ = encoder.write_all(self.0);
let compressed_bytes = encoder.finish().unwrap();
compressed_bytes.modify(res);
}
}