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Merge branch 'v9' of github.com:gchq/CyberChef into node-lib

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d98762625 2019-07-05 11:07:31 +01:00
commit 368f508b17
122 changed files with 24317 additions and 4174 deletions
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35
src/core/operations/BlurImage.mjs
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@ -10,6 +10,7 @@ import { isWorkerEnvironment } from "../Utils";
import { isImage } from "../lib/FileType";
import { toBase64 } from "../lib/Base64";
import jimp from "jimp";
import { gaussianBlur } from "../lib/ImageManipulation";
/**
* Blur Image operation
@ -26,8 +27,8 @@ class BlurImage extends Operation {
this.module = "Image";
this.description = "Applies a blur effect to the image.<br><br>Gaussian blur is much slower than fast blur, but produces better results.";
this.infoURL = "https://wikipedia.org/wiki/Gaussian_blur";
this.inputType = "byteArray";
this.outputType = "byteArray";
this.inputType = "ArrayBuffer";
this.outputType = "ArrayBuffer";
this.presentType = "html";
this.args = [
{
@ -45,37 +46,44 @@ class BlurImage extends Operation {
}
/**
* @param {byteArray} input
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {byteArray}
*/
async run(input, args) {
const [blurAmount, blurType] = args;
if (!isImage(input)) {
if (!isImage(new Uint8Array(input))) {
throw new OperationError("Invalid file type.");
}
let image;
try {
image = await jimp.read(Buffer.from(input));
image = await jimp.read(input);
} catch (err) {
throw new OperationError(`Error loading image. (${err})`);
}
try {
switch (blurType){
case "Fast":
if (isWorkerEnvironment())
self.sendStatusMessage("Fast blurring image...");
image.blur(blurAmount);
break;
case "Gaussian":
if (isWorkerEnvironment())
self.sendStatusMessage("Gaussian blurring image. This may take a while...");
image.gaussian(blurAmount);
self.sendStatusMessage("Gaussian blurring image...");
image = gaussianBlur(image, blurAmount);
break;
}
const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer];
let imageBuffer;
if (image.getMIME() === "image/gif") {
imageBuffer = await image.getBufferAsync(jimp.MIME_PNG);
} else {
imageBuffer = await image.getBufferAsync(jimp.AUTO);
}
return imageBuffer.buffer;
} catch (err) {
throw new OperationError(`Error blurring image. (${err})`);
}
@ -84,18 +92,19 @@ class BlurImage extends Operation {
/**
* Displays the blurred image using HTML for web apps
*
* @param {byteArray} data
* @param {ArrayBuffer} data
* @returns {html}
*/
present(data) {
if (!data.length) return "";
if (!data.byteLength) return "";
const dataArray = new Uint8Array(data);
const type = isImage(data);
const type = isImage(dataArray);
if (!type) {
throw new OperationError("Invalid file type.");
}
return `<img src="data:${type};base64,${toBase64(data)}">`;
return `<img src="data:${type};base64,${toBase64(dataArray)}">`;
}
}