mirror of
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53 lines
1.1 KiB
TypeScript
53 lines
1.1 KiB
TypeScript
// Loaded from https://deno.land/x/god_crypto@v1.4.3/src/binary.ts
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export class RawBinary extends Uint8Array {
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hex() {
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return [...this].map((x) => x.toString(16).padStart(2, "0")).join("");
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}
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binary(): Uint8Array {
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return this;
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}
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base64(): string {
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return btoa(String.fromCharCode.apply(null, [...this]));
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}
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base64url(): string {
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let a = btoa(String.fromCharCode.apply(null, [...this])).replace(/=/g, "");
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a = a.replace(/\+/g, "-");
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a = a.replace(/\//g, "_");
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return a;
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}
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base32(): string {
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const lookup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
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const trim = [0x0, 0x1, 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff];
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let output = "";
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let bits = 0;
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let current = 0;
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for (let i = 0; i < this.length; i++) {
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current = (current << 8) + this[i];
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bits += 8;
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while (bits >= 5) {
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bits -= 5;
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output += lookup[current >> bits];
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current = current & trim[bits];
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}
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}
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if (bits > 0) {
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output += lookup[current << (5 - bits)];
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}
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return output;
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}
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toString(): string {
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return new TextDecoder().decode(this);
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}
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}
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