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
|
'use strict';
require('should');
require('should-http');
const assert = require('assert');
const zlib = require('zlib');
let http = require('http');
const getPort = require('get-port');
const express = require('../support/express');
const request = require('../support/client');
if (process.env.HTTP2_TEST) {
http = require('http2');
}
const app = express();
const subject = 'some long long long long string';
let base = 'http://localhost';
let server;
before(function listen(done) {
server = http.createServer(app);
getPort().then((port) => {
server = server.listen(port, function listening() {
base += `:${server.address().port}`;
done();
});
});
});
app.get('/binary', (request_, res) => {
zlib.deflate(subject, (error, buf) => {
res.set('Content-Encoding', 'gzip');
res.send(buf);
});
});
app.get('/corrupt', (request_, res) => {
res.set('Content-Encoding', 'gzip');
res.send('blah');
});
app.get('/nocontent', (request_, res, next) => {
res.statusCode = 204;
res.set('Content-Type', 'text/plain');
res.set('Content-Encoding', 'gzip');
res.send('');
});
app.get('/', (request_, res, next) => {
zlib.deflate(subject, (error, buf) => {
res.set('Content-Type', 'text/plain');
res.set('Content-Encoding', 'gzip');
res.send(buf);
});
});
app.get('/junk', (request_, res) => {
zlib.deflate(subject, (error, buf) => {
res.set('Content-Type', 'text/plain');
res.set('Content-Encoding', 'gzip');
res.write(buf);
res.end(' 0 junk');
});
});
app.get('/chopped', (request_, res) => {
zlib.deflate(`${subject}123456`, (error, buf) => {
res.set('Content-Type', 'text/plain');
res.set('Content-Encoding', 'gzip');
res.send(buf.slice(0, -1));
});
});
describe('zlib', () => {
it('should deflate the content', (done) => {
request.get(base).end((error, res) => {
res.should.have.status(200);
res.text.should.equal(subject);
res.headers['content-length'].should.be.below(subject.length);
done();
});
});
it('should protect from zip bombs', (done) => {
request
.get(base)
.buffer(true)
.maxResponseSize(1)
.end((error, res) => {
try {
assert.equal('Maximum response size reached', error && error.message);
done();
} catch (err) {
done(err);
}
});
});
it('should ignore trailing junk', (done) => {
request.get(`${base}/junk`).end((error, res) => {
res.should.have.status(200);
res.text.should.equal(subject);
done();
});
});
it('should ignore missing data', (done) => {
request.get(`${base}/chopped`).end((error, res) => {
assert.equal(undefined, error);
res.should.have.status(200);
res.text.should.startWith(subject);
done();
});
});
it('should handle corrupted responses', (done) => {
request.get(`${base}/corrupt`).end((error, res) => {
assert(error, 'missing error');
assert(!res, 'response should not be defined');
done();
});
});
it('should handle no content with gzip header', (done) => {
request.get(`${base}/nocontent`).end((error, res) => {
assert.ifError(error);
assert(res);
res.should.have.status(204);
res.text.should.equal('');
res.headers.should.not.have.property('content-length');
done();
});
});
describe('without encoding set', () => {
it('should buffer if asked', () => {
return request
.get(`${base}/binary`)
.buffer(true)
.then((res) => {
res.should.have.status(200);
assert(res.headers['content-length']);
assert(res.body.byteLength);
assert.equal(subject, res.body.toString());
});
});
it('should emit buffers', (done) => {
request.get(`${base}/binary`).end((error, res) => {
res.should.have.status(200);
res.headers['content-length'].should.be.below(subject.length);
res.on('data', (chunk) => {
chunk.should.have.length(subject.length);
});
res.on('end', done);
});
});
});
});
|
