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
|
"use strict";
function run_test() {
test_base64URLEncode();
test_base64URLDecode();
}
// Test vectors from RFC 4648, section 10.
let textTests = {
"": "",
f: "Zg",
fo: "Zm8",
foo: "Zm9v",
foob: "Zm9vYg",
fooba: "Zm9vYmE",
foobar: "Zm9vYmFy",
};
// Examples from RFC 4648, section 9.
let binaryTests = [
{
decoded: new Uint8Array([0x14, 0xfb, 0x9c, 0x03, 0xd9, 0x7e]),
encoded: "FPucA9l-",
},
{
decoded: new Uint8Array([0x14, 0xfb, 0x9c, 0x03, 0xd9]),
encoded: "FPucA9k",
},
{
decoded: new Uint8Array([0x14, 0xfb, 0x9c, 0x03]),
encoded: "FPucAw",
},
];
function padEncodedValue(value) {
switch (value.length % 4) {
case 0:
return value;
case 2:
return value + "==";
case 3:
return value + "=";
default:
throw new TypeError("Invalid encoded value");
}
}
function testEncode(input, encoded) {
equal(
ChromeUtils.base64URLEncode(input, { pad: false }),
encoded,
encoded + " without padding"
);
equal(
ChromeUtils.base64URLEncode(input, { pad: true }),
padEncodedValue(encoded),
encoded + " with padding"
);
}
function test_base64URLEncode() {
throws(
_ => ChromeUtils.base64URLEncode(new Uint8Array(0)),
/TypeError/,
"Should require encoding options"
);
throws(
_ => ChromeUtils.base64URLEncode(new Uint8Array(0), {}),
/TypeError/,
"Encoding should require the padding option"
);
for (let { decoded, encoded } of binaryTests) {
testEncode(decoded, encoded);
}
let textEncoder = new TextEncoder();
for (let decoded of Object.keys(textTests)) {
let input = textEncoder.encode(decoded);
testEncode(input, textTests[decoded]);
}
}
function testDecode(input, decoded) {
let buffer = ChromeUtils.base64URLDecode(input, { padding: "reject" });
deepEqual(new Uint8Array(buffer), decoded, input + " with padding rejected");
let paddedValue = padEncodedValue(input);
buffer = ChromeUtils.base64URLDecode(paddedValue, { padding: "ignore" });
deepEqual(new Uint8Array(buffer), decoded, input + " with padding ignored");
if (paddedValue.length > input.length) {
throws(
_ => ChromeUtils.base64URLDecode(paddedValue, { padding: "reject" }),
/NS_ERROR_ILLEGAL_VALUE/,
paddedValue + " with padding rejected should throw"
);
throws(
_ => ChromeUtils.base64URLDecode(input, { padding: "require" }),
/NS_ERROR_ILLEGAL_VALUE/,
input + " with padding required should throw"
);
buffer = ChromeUtils.base64URLDecode(paddedValue, { padding: "require" });
deepEqual(
new Uint8Array(buffer),
decoded,
paddedValue + " with padding required"
);
}
}
function test_base64URLDecode() {
throws(
_ => ChromeUtils.base64URLDecode(""),
/TypeError/,
"Should require decoding options"
);
throws(
_ => ChromeUtils.base64URLDecode("", {}),
/TypeError/,
"Decoding should require the padding option"
);
throws(
_ => ChromeUtils.base64URLDecode("", { padding: "chocolate" }),
/TypeError/,
"Decoding should throw for invalid padding policy"
);
for (let { decoded, encoded } of binaryTests) {
testDecode(encoded, decoded);
}
let textEncoder = new TextEncoder();
for (let decoded of Object.keys(textTests)) {
let expectedBuffer = textEncoder.encode(decoded);
testDecode(textTests[decoded], expectedBuffer);
}
}
|
