-
Notifications
You must be signed in to change notification settings - Fork 21
/
check.js
164 lines (157 loc) · 4.31 KB
/
check.js
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
'use strict'
const crypto = require('crypto')
const fs = require('fs')
const path = require('path')
const test = require('tap').test
const ssri = require('..')
const TEST_DATA = fs.readFileSync(__filename)
function hash (data, algorithm) {
return crypto.createHash(algorithm).update(data).digest('base64')
}
function fileStream () {
return fs.createReadStream(__filename)
}
test('checkData', t => {
const sri = ssri.parse({
algorithm: 'sha512',
digest: hash(TEST_DATA, 'sha512')
})
const meta = sri['sha512'][0]
t.deepEqual(
ssri.checkData(TEST_DATA, sri),
meta,
'Buffer data successfully verified'
)
t.deepEqual(
ssri.checkData(TEST_DATA, `sha512-${hash(TEST_DATA, 'sha512')}`),
meta,
'Accepts string SRI'
)
t.deepEqual(
ssri.checkData(TEST_DATA, {
algorithm: 'sha512',
digest: hash(TEST_DATA, 'sha512')
}),
meta,
'Accepts IntegrityMetadata-like SRI'
)
t.deepEqual(
ssri.checkData(TEST_DATA.toString('utf8'), sri),
meta,
'String data successfully verified'
)
t.deepEqual(
ssri.checkData(
TEST_DATA,
`sha512-nope sha512-${hash(TEST_DATA, 'sha512')}`
),
meta,
'succeeds if any of the hashes under the chosen algorithm match'
)
t.equal(
ssri.checkData('nope', sri),
false,
'returns false when verification fails'
)
t.deepEqual(
ssri.checkData(TEST_DATA, [
'sha512-nope',
`sha1-${hash(TEST_DATA, 'sha1')}`,
`sha512-${hash(TEST_DATA, 'sha512')}`
].join(' '), {
pickAlgorithm: (a, b) => {
if (a === 'sha1' || b === 'sha1') { return 'sha1' }
}
}),
ssri.parse({
algorithm: 'sha1', digest: hash(TEST_DATA, 'sha1')
})['sha1'][0],
'opts.pickAlgorithm can be used to customize which one is used.'
)
t.deepEqual(
ssri.checkData(TEST_DATA, [
`sha1-${hash(TEST_DATA, 'sha1')}`,
`sha384-${hash(TEST_DATA, 'sha384')}`,
`sha256-${hash(TEST_DATA, 'sha256')}`
].join(' ')),
ssri.parse({
algorithm: 'sha384', digest: hash(TEST_DATA, 'sha384')
})['sha384'][0],
'picks the "strongest" available algorithm, by default'
)
t.done()
})
test('checkStream', t => {
const sri = ssri.parse({
algorithm: 'sha512',
digest: hash(TEST_DATA, 'sha512')
})
const meta = sri['sha512'][0]
let streamEnded
const stream = fileStream().on('end', () => { streamEnded = true })
return ssri.checkStream(stream, sri).then(res => {
t.deepEqual(res, meta, 'Stream data successfully verified')
t.ok(streamEnded, 'source stream ended')
return ssri.checkStream(
fileStream(),
`sha512-${hash(TEST_DATA, 'sha512')}`
)
}).then(res => {
t.deepEqual(res, meta, 'Accepts string SRI')
return ssri.checkStream(fileStream(), {
algorithm: 'sha512',
digest: hash(TEST_DATA, 'sha512')
})
}).then(res => {
t.deepEqual(res, meta, 'Accepts IntegrityMetadata-like SRI')
return ssri.checkStream(
fileStream(),
`sha512-nope sha512-${hash(TEST_DATA, 'sha512')}`
)
}).then(res => {
t.deepEqual(
res,
meta,
'succeeds if any of the hashes under the chosen algorithm match'
)
return ssri.checkStream(
fs.createReadStream(path.join(__dirname, '..', 'package.json')),
sri
).then(() => {
throw new Error('unexpected success')
}, err => {
t.equal(err.code, 'EBADCHECKSUM', 'checksum failure rejects the promise')
})
}).then(() => {
return ssri.checkStream(fileStream(), [
'sha512-nope',
`sha1-${hash(TEST_DATA, 'sha1')}`,
`sha512-${hash(TEST_DATA, 'sha512')}`
].join(' '), {
pickAlgorithm: (a, b) => {
if (a === 'sha1' || b === 'sha1') { return 'sha1' }
}
})
}).then(res => {
t.deepEqual(
res,
ssri.parse({
algorithm: 'sha1', digest: hash(TEST_DATA, 'sha1')
})['sha1'][0],
'opts.pickAlgorithm can be used to customize which one is used.'
)
return ssri.checkStream(fileStream(), [
`sha1-${hash(TEST_DATA, 'sha1')}`,
`sha384-${hash(TEST_DATA, 'sha384')}`,
`sha256-${hash(TEST_DATA, 'sha256')}`
].join(' '))
}).then(res => {
t.deepEqual(
res,
ssri.parse({
algorithm: 'sha384', digest: hash(TEST_DATA, 'sha384')
})['sha384'][0],
'picks the "strongest" available algorithm, by default'
)
})
})