34 lines
901 B
Plaintext
34 lines
901 B
Plaintext
//#region src/utils/encode.ts
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/**
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* @module
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* Encode utility.
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*/
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const decodeBase64Url = (str) => {
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return decodeBase64(str.replace(/_|-/g, (m) => ({
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_: "/",
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"-": "+"
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})[m] ?? m));
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};
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const encodeBase64Url = (buf) => encodeBase64(buf).replace(/\/|\+/g, (m) => ({
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"/": "_",
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"+": "-"
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})[m] ?? m);
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const encodeBase64 = (buf) => {
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let binary = "";
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const bytes = new Uint8Array(buf);
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for (let i = 0, len = bytes.length; i < len; i++) binary += String.fromCharCode(bytes[i]);
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return btoa(binary);
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};
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const decodeBase64 = (str) => {
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const binary = atob(str);
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const bytes = new Uint8Array(new ArrayBuffer(binary.length));
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const half = binary.length / 2;
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for (let i = 0, j = binary.length - 1; i <= half; i++, j--) {
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bytes[i] = binary.charCodeAt(i);
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bytes[j] = binary.charCodeAt(j);
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}
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return bytes;
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};
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//#endregion
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export { decodeBase64, decodeBase64Url, encodeBase64, encodeBase64Url };
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