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Cleaned up Base62 ops and updated CHANGELOG

master
n1474335 2018-12-18 12:19:42 +00:00
parent 22454ae842
commit d89d79116c
5 changed files with 40 additions and 23 deletions
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7
CHANGELOG.md
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@ -1,6 +1,10 @@
# Changelog
All major and minor version changes will be documented in this file. Details of patch-level version changes can be found in [commit messages](https://github.com/gchq/CyberChef/commits/master).
### [8.14.0] - 2018-12-18
- 'To Base62' and 'From Base62' operations added [@tcode2k16] | [#443]
### [8.13.0] - 2018-12-15
- 'A1Z26 Cipher Encode' and 'A1Z26 Cipher Decode' operations added [@jarmovanlenthe] | [#441]
@ -69,6 +73,7 @@ All major and minor version changes will be documented in this file. Details of
[8.14.0]: https://github.com/gchq/CyberChef/releases/tag/v8.14.0
[8.13.0]: https://github.com/gchq/CyberChef/releases/tag/v8.13.0
[8.12.0]: https://github.com/gchq/CyberChef/releases/tag/v8.12.0
[8.11.0]: https://github.com/gchq/CyberChef/releases/tag/v8.11.0
@ -101,6 +106,7 @@ All major and minor version changes will be documented in this file. Details of
[@klaxon1]: https://github.com/klaxon1
[@bwhitn]: https://github.com/bwhitn
[@jarmovanlenthe]: https://github.com/jarmovanlenthe
[@tcode2k16]: https://github.com/tcode2k16
[#95]: https://github.com/gchq/CyberChef/pull/299
[#173]: https://github.com/gchq/CyberChef/pull/173
@ -125,3 +131,4 @@ All major and minor version changes will be documented in this file. Details of
[#394]: https://github.com/gchq/CyberChef/pull/394
[#428]: https://github.com/gchq/CyberChef/pull/428
[#441]: https://github.com/gchq/CyberChef/pull/441
[#443]: https://github.com/gchq/CyberChef/pull/443

4
src/core/config/Categories.json
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@ -18,8 +18,6 @@
"From Binary",
"To Octal",
"From Octal",
"To Base62",
"From Base62",
"To Base64",
"From Base64",
"Show Base64 offsets",
@ -27,6 +25,8 @@
"From Base32",
"To Base58",
"From Base58",
"To Base62",
"From Base62",
"To Base85",
"From Base85",
"To Base",

22
src/core/operations/FromBase62.mjs
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@ -22,21 +22,27 @@ class FromBase62 extends Operation {
this.name = "From Base62";
this.module = "Default";
this.description = "decode base62 string";
this.infoURL = "https://en.wikipedia.org/wiki/List_of_numeral_systems";
this.description = "Base62 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers. The high number base results in shorter strings than with the decimal or hexadecimal system.";
this.infoURL = "https://wikipedia.org/wiki/List_of_numeral_systems";
this.inputType = "string";
this.outputType = "string";
this.args = [];
this.outputType = "byteArray";
this.args = [
{
name: "Alphabet",
type: "string",
value: "0-9A-Za-z"
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
* @returns {byteArray}
*/
run(input, args) {
if (input.length < 1) return "";
const ALPHABET = Utils.expandAlphRange("0-9A-Za-z").join("");
if (input.length < 1) return [];
const ALPHABET = Utils.expandAlphRange(args[0]).join("");
const BN = BigNumber.clone({ ALPHABET });
const re = new RegExp("[^" + ALPHABET.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g");
@ -44,7 +50,7 @@ class FromBase62 extends Operation {
const number = new BN(input, 62);
return Utils.byteArrayToUtf8(Utils.convertToByteArray(number.toString(16), "Hex"));
return Utils.convertToByteArray(number.toString(16), "Hex");
}
}

18
src/core/operations/ToBase62.mjs
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@ -22,11 +22,17 @@ class ToBase62 extends Operation {
this.name = "To Base62";
this.module = "Default";
this.description = "encode string to base62";
this.description = "Base62 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers. The high number base results in shorter strings than with the decimal or hexadecimal system.";
this.infoURL = "https://en.wikipedia.org/wiki/List_of_numeral_systems";
this.inputType = "string";
this.inputType = "byteArray";
this.outputType = "string";
this.args = [];
this.args = [
{
name: "Alphabet",
type: "string",
value: "0-9A-Za-z"
}
];
}
/**
@ -37,12 +43,10 @@ class ToBase62 extends Operation {
run(input, args) {
if (input.length < 1) return "";
const ALPHABET = Utils.expandAlphRange("0-9A-Za-z").join("");
const ALPHABET = Utils.expandAlphRange(args[0]).join("");
const BN = BigNumber.clone({ ALPHABET });
input = Utils.strToByteArray(input);
input = toHexFast(input);
input = input.toUpperCase();
input = toHexFast(input).toUpperCase();
const number = new BN(input, 16);

12
test/tests/operations/Base62.mjs
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@ -17,7 +17,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "To Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
},
@ -28,7 +28,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "To Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
},
@ -39,7 +39,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "To Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
},
@ -50,7 +50,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "From Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
},
@ -61,7 +61,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "From Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
},
@ -72,7 +72,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "From Base62",
args: [],
args: ["0-9A-Za-z"],
},
],
}