Cool_Tools/CyberChef
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Code Releases Activity

Gzip tests added

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This commit is contained in:
n1073645 2019-12-17 12:15:11 +00:00
parent 3a1a6a94d2
commit 5fd2512a9b
3 changed files with 91 additions and 2 deletions
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3
src/core/operations/Gzip.mjs
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@ -6,7 +6,6 @@
import Operation from "../Operation.mjs";
import {COMPRESSION_TYPE, ZLIB_COMPRESSION_TYPE_LOOKUP} from "../lib/Zlib.mjs";
// import zlibAndGzip from "zlibjs/bin/zlib_and_gzip.min.js";
import gzip from "zlibjs/bin/gzip.min.js";
const Zlib = gzip.Zlib;
@ -79,7 +78,7 @@ class Gzip extends Operation {
}
const gzipObj = new Zlib.Gzip(new Uint8Array(input), options);
const compressed = new Uint8Array(gzipObj.compress());
if (options.flags.comment) {
if (options.flags.comment && !(compressed[3] & 0x10)) {
compressed[3] |= 0x10;
}
return compressed.buffer;

1
tests/operations/index.mjs
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@ -41,6 +41,7 @@ import "./tests/DateTime.mjs";
import "./tests/ExtractEmailAddresses.mjs";
import "./tests/Fork.mjs";
import "./tests/FromDecimal.mjs";
import "./tests/Gzip.mjs";
import "./tests/Hash.mjs";
import "./tests/HaversineDistance.mjs";
import "./tests/Hexdump.mjs";

89
tests/operations/tests/Gzip.mjs Normal file
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@ -0,0 +1,89 @@
/**
* Gzip tests.
*
* @author n1073645 [n1073645@gmail.com]
*
* @copyright Crown Copyright 2019
* @license Apache-2.0
*/
import TestRegister from "../../lib/TestRegister.mjs";
TestRegister.addTests([
{
name: "Gzip: No comment, no checksum and no filename",
input: "The quick brown fox jumped over the slow dog",
expectedOutput: "0dc9dd0180200804e0556ea8262848fb3dc588c6a7e76faa8aeedb726036c68d951f76bf9a0af8aae1f97d9c0c084b02509cbf8c2c000000",
recipeConfig: [
{
op: "Gzip",
args: ["Dynamic Huffman Coding", "", "", false]
},
{
op: "Drop bytes",
args: [0, 10, false]
},
{
op: "To Hex",
args: ["None"]
}
]
},
{
name: "Gzip: No comment, no checksum and has a filename",
input: "The quick brown fox jumped over the slow dog",
expectedOutput: "636f6d6d656e74000dc9dd0180200804e0556ea8262848fb3dc588c6a7e76faa8aeedb726036c68d951f76bf9a0af8aae1f97d9c0c084b02509cbf8c2c000000",
recipeConfig: [
{
op: "Gzip",
args: ["Dynamic Huffman Coding", "comment", "", false]
},
{
op: "Drop bytes",
args: [0, 10, false]
},
{
op: "To Hex",
args: ["None"]
}
]
},
{
name: "Gzip: Has a comment, no checksum and no filename",
input: "The quick brown fox jumped over the slow dog",
expectedOutput: "636f6d6d656e74000dc9dd0180200804e0556ea8262848fb3dc588c6a7e76faa8aeedb726036c68d951f76bf9a0af8aae1f97d9c0c084b02509cbf8c2c000000",
recipeConfig: [
{
op: "Gzip",
args: ["Dynamic Huffman Coding", "", "comment", false]
},
{
op: "Drop bytes",
args: [0, 10, false]
},
{
op: "To Hex",
args: ["None"]
}
]
},
{
name: "Gzip: Has a comment, no checksum and has a filename",
input: "The quick brown fox jumped over the slow dog",
expectedOutput: "66696c656e616d6500636f6d6d656e74000dc9dd0180200804e0556ea8262848fb3dc588c6a7e76faa8aeedb726036c68d951f76bf9a0af8aae1f97d9c0c084b02509cbf8c2c000000",
recipeConfig: [
{
op: "Gzip",
args: ["Dynamic Huffman Coding", "filename", "comment", false]
},
{
op: "Drop bytes",
args: [0, 10, false]
},
{
op: "To Hex",
args: ["None"]
}
]
},
]);