57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
'use strict';
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var Enc = module.exports;
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Enc.bufToHex = function toHex(u8) {
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var hex = [];
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var i, h;
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for (i = 0; i < u8.byteLength; i += 1) {
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h = u8[i].toString(16);
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if (2 !== h.length) { h = '0' + h; }
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hex.push(h);
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}
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return hex.join('').toLowerCase();
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};
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/*
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Enc.strToBin = function strToBin(str) {
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var escstr = encodeURIComponent(str);
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// replaces any uri escape sequence, such as %0A,
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// with binary escape, such as 0x0A
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var binstr = escstr.replace(/%([0-9A-F]{2})/g, function(match, p1) {
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return String.fromCharCode(parseInt(p1, 16));
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});
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return binstr;
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};
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*/
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/*
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Enc.strToBase64 = function strToBase64(str) {
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// node automatically can tell the difference
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// between uc2 (utf-8) strings and binary strings
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// so we don't have to re-encode the strings
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return Buffer.from(str).toString('base64');
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};
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*/
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/*
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Enc.urlBase64ToBase64 = function urlsafeBase64ToBase64(str) {
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var r = str % 4;
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if (2 === r) {
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str += '==';
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} else if (3 === r) {
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str += '=';
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}
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return str.replace(/-/g, '+').replace(/_/g, '/');
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};
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*/
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Enc.base64ToBuf = function base64ToBuf(str) {
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// always convert from urlsafe base64, just in case
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//return Buffer.from(Enc.urlBase64ToBase64(str)).toString('base64');
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return Buffer.from(str, 'base64');
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};
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