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buffer: add base64url encoding option

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PR-URL: https://github.com/nodejs/node/pull/36952
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
This commit is contained in:
Filip Skokan 2021-01-15 21:01:28 +01:00 • committed by Antoine du Hamel
parent 9e7d1a1c24
commit f8ab632d56
17 changed files with 306 additions and 120 deletions
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19
lib/buffer.js
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@ -646,6 +646,20 @@ const encodingOps = {
encodingsMap.base64,
dir)
},
base64url: {
encoding: 'base64url',
encodingVal: encodingsMap.base64url,
byteLength: (string) => base64ByteLength(string, string.length),
write: (buf, string, offset, len) =>
buf.base64urlWrite(string, offset, len),
slice: (buf, start, end) => buf.base64urlSlice(start, end),
indexOf: (buf, val, byteOffset, dir) =>
indexOfBuffer(buf,
fromStringFast(val, encodingOps.base64url),
byteOffset,
encodingsMap.base64url,
dir)
},
hex: {
encoding: 'hex',
encodingVal: encodingsMap.hex,
@ -702,6 +716,11 @@ function getEncodingOps(encoding) {
if (encoding === 'hex' || StringPrototypeToLowerCase(encoding) === 'hex')
return encodingOps.hex;
break;
case 9:
if (encoding === 'base64url' ||
StringPrototypeToLowerCase(encoding) === 'base64url')
return encodingOps.base64url;
break;
}
}