blob: 5a75a3ccb7f98fab03730fb98ab3838f1fda3d8d (
plain) (
blame)
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
|
/**
* GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
*
* Copyright (C) 2018 Giorgio Maone <giorgio@maone.net>
*
* This file is part of GNU LibreJS.
*
* GNU LibreJS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNU LibreJS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU LibreJS. If not, see <http://www.gnu.org/licenses/>.
*/
/**
This class parses HTTP response headers to extract both the
MIME Content-type and the character set to be used, if specified,
to parse textual data through a decoder.
*/
class ResponseMetaData {
constructor(request) {
let {responseHeaders} = request;
this.headers = {};
for (let h of responseHeaders) {
if (/^\s*Content-(Type|Disposition)\s*$/i.test(h.name)) {
let propertyName = h.name.split("-")[1].trim();
propertyName = `content${propertyName.charAt(0).toUpperCase()}${propertyName.substring(1).toLowerCase()}`;
this[propertyName] = h.value;
this.headers[propertyName] = h;
}
}
}
get charset() {
let charset = "";
if (this.contentType) {
let m = this.contentType.match(/;\s*charset\s*=\s*(\S+)/);
if (m) {
charset = m[1];
}
}
Object.defineProperty(this, "charset", { value: charset, writable: false, configurable: true });
return charset;
}
createDecoder() {
if (this.charset) {
try {
return new TextDecoder(this.charset);
} catch (e) {
console.error(e);
}
}
return new TextDecoder("latin1");
}
};
module.exports = { ResponseMetaData };
|
