2022-11-30 23:44:23 +03:00
|
|
|
/**
|
2022-12-30 19:30:03 +03:00
|
|
|
* [Base64 encoding](link-wiki-base64) using 6-bit words to encode
|
2022-11-30 23:44:23 +03:00
|
|
|
* arbitrary bytes into a string using 65 printable symbols, the
|
|
|
|
* upper-case and lower-case alphabet, the digits ``0`` through ``9``,
|
|
|
|
* ``"+"`` and ``"/"`` with the ``"="`` used for padding.
|
|
|
|
*
|
2022-12-03 05:27:06 +03:00
|
|
|
* @_subsection: api/utils:Base64 Encoding [about-base64]
|
2022-11-30 23:44:23 +03:00
|
|
|
*/
|
2022-09-16 05:58:45 +03:00
|
|
|
import { getBytes, getBytesCopy } from "./data.js";
|
|
|
|
/**
|
2022-11-30 23:44:23 +03:00
|
|
|
* Decodes the base-64 encoded %%value%%.
|
2023-02-13 06:14:26 +03:00
|
|
|
*
|
|
|
|
* @example:
|
|
|
|
* // The decoded value is always binary data...
|
|
|
|
* result = decodeBase64("SGVsbG8gV29ybGQhIQ==")
|
|
|
|
* //_result:
|
|
|
|
*
|
|
|
|
* // ...use toUtf8String to convert it to a string.
|
|
|
|
* toUtf8String(result)
|
|
|
|
* //_result:
|
|
|
|
*
|
|
|
|
* // Decoding binary data
|
|
|
|
* decodeBase64("EjQ=")
|
|
|
|
* //_result:
|
2022-09-16 05:58:45 +03:00
|
|
|
*/
|
2022-11-30 23:44:23 +03:00
|
|
|
export function decodeBase64(value) {
|
|
|
|
return getBytesCopy(Buffer.from(value, "base64"));
|
2022-09-05 23:57:11 +03:00
|
|
|
}
|
|
|
|
;
|
2022-09-16 05:58:45 +03:00
|
|
|
/**
|
2022-11-30 23:44:23 +03:00
|
|
|
* Encodes %%data%% as a base-64 encoded string.
|
2023-02-13 06:14:26 +03:00
|
|
|
*
|
|
|
|
* @example:
|
|
|
|
* // Encoding binary data as a hexstring
|
|
|
|
* encodeBase64("0x1234")
|
|
|
|
* //_result:
|
|
|
|
*
|
|
|
|
* // Encoding binary data as a Uint8Array
|
|
|
|
* encodeBase64(new Uint8Array([ 0x12, 0x34 ]))
|
|
|
|
* //_result:
|
|
|
|
*
|
|
|
|
* // The input MUST be data...
|
|
|
|
* encodeBase64("Hello World!!")
|
|
|
|
* //_error:
|
|
|
|
*
|
|
|
|
* // ...use toUtf8Bytes for this.
|
|
|
|
* encodeBase64(toUtf8Bytes("Hello World!!"))
|
|
|
|
* //_result:
|
2022-09-16 05:58:45 +03:00
|
|
|
*/
|
2022-09-05 23:57:11 +03:00
|
|
|
export function encodeBase64(data) {
|
2022-09-16 05:58:45 +03:00
|
|
|
return Buffer.from(getBytes(data)).toString("base64");
|
2022-09-05 23:57:11 +03:00
|
|
|
}
|
|
|
|
//# sourceMappingURL=base64.js.map
|