swc/bundler/tests/.cache/deno/970ff5282cd842f9478906c4fec8a73a179ad85f.ts
강동윤 bbaf619f63
fix(bundler): Fix bugs (#1437)
swc_bundler:
 - [x] Fix wrapped esms. (denoland/deno#9307)
 - [x] Make test secure.
2021-03-02 17:33:03 +09:00

108 lines
3.2 KiB
TypeScript

// Loaded from https://deno.land/x/god_crypto@v0.2.0/src/helper.ts
export function str2bytes(str: string): Uint8Array {
const encoder = new TextEncoder();
return encoder.encode(str);
}
export function hex(bytes: Uint8Array): string {
let output = "";
for(const b of bytes) output += b.toString(16).padStart(2, "0");
return output;
}
export function xor(a: Uint8Array, b: Uint8Array) {
const c = new Uint8Array(a.length);
for(let i = 0; i < c.length; i++) {
c[i] = a[i] ^ b[i % b.length];
}
return c;
}
export function concat(...arg: (Uint8Array | number[])[]) {
const length = arg.reduce((a, b) => a + b.length, 0);
const c = new Uint8Array(length);
let ptr = 0;
for(let i = 0; i < arg.length; i++) {
c.set(arg[i], ptr);
ptr += arg[i].length;
}
return c;
}
export function random_bytes(length: number): Uint8Array {
const n = new Uint8Array(length);
for(let i = 0; i < length; i++) n[i] = ((Math.random() * 254) | 0) + 1;
return n;
}
export function get_key_size(n: bigint): number {
const size_list = [64n, 128n, 256n, 512n, 1024n];
for(const size of size_list) {
if (n < (1n << size * 8n)) return Number(size);
}
return 2048;
}
export function base64_to_binary(b: string): Uint8Array {
const base64_map = [
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-2,-2,-1,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-1,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,62,-2,-2,-2,63,52,53,54,55,56,57,58,59,
60,61,-2,-2,-2,-1,-2,-2,-2,0,1,2,3,4,5,6,
7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,
23,24,25,-2,-2,-2,-2,-2,-2,26,27,28,29,30,31,32,
33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,
50,51,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2
];
// Remove unneccessary character
let e = "";
for (const c of b) {
const v = base64_map[c.charCodeAt(0)];
if (v === -2) throw "Invalid";
if (v >= 0) e += c;
}
// Allocate enough bytes to store given base64
const bytes = new Uint8Array(Math.floor((e.length * 6) / 8));
let ptr = 0;
for(let i = 0; i < e.length; i += 4) {
const remain = e.length - i;
if (remain >= 4) {
const v = (base64_map[e.charCodeAt(i)] << 18) +
(base64_map[e.charCodeAt(i + 1)] << 12) +
(base64_map[e.charCodeAt(i + 2)] << 6) +
base64_map[e.charCodeAt(i + 3)];
bytes[ptr++] = v >> 16 % 256;
bytes[ptr++] = v >> 8 % 256;
bytes[ptr++] = v % 256;
} else if (remain === 3) {
const v = (base64_map[e.charCodeAt(i)] << 10) +
(base64_map[e.charCodeAt(i + 1)] << 4) +
(base64_map[e.charCodeAt(i + 2)] >> 2);
bytes[ptr++] = v >> 8 % 256;
bytes[ptr++] = v % 256;
} else if (remain === 2) {
bytes[ptr++] = (base64_map[e.charCodeAt(i)] << 2) +
(base64_map[e.charCodeAt(i + 1)] >> 4);
}
}
return bytes;
}