21 lines
941 B
JavaScript
21 lines
941 B
JavaScript
import * as Either from "../../Either.js";
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import * as Base64 from "./base64.js";
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import { DecodeException } from "./common.js";
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/** @internal */
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export const encode = data => Base64.encode(data).replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
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/** @internal */
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export const decode = str => {
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const stripped = Base64.stripCrlf(str);
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const length = stripped.length;
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if (length % 4 === 1) {
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return Either.left(DecodeException(stripped, `Length should be a multiple of 4, but is ${length}`));
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}
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if (!/^[-_A-Z0-9]*?={0,2}$/i.test(stripped)) {
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return Either.left(DecodeException(stripped, "Invalid input"));
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}
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// Some variants allow or require omitting the padding '=' signs
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let sanitized = length % 4 === 2 ? `${stripped}==` : length % 4 === 3 ? `${stripped}=` : stripped;
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sanitized = sanitized.replace(/-/g, "+").replace(/_/g, "/");
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return Base64.decode(sanitized);
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};
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//# sourceMappingURL=base64Url.js.map
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