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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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28
src/core/operations/ImageOpacity.mjs
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@ -26,8 +26,8 @@ class ImageOpacity extends Operation {
this.module = "Image";
this.description = "Adjust the opacity of an image.";
this.infoURL = "";
this.inputType = "byteArray";
this.outputType = "byteArray";
this.inputType = "ArrayBuffer";
this.outputType = "ArrayBuffer";
this.presentType = "html";
this.args = [
{
@ -41,19 +41,19 @@ class ImageOpacity extends Operation {
}
/**
* @param {byteArray} input
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {byteArray}
*/
async run(input, args) {
const [opacity] = 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. (${err})`);
}
@ -62,8 +62,13 @@ class ImageOpacity extends Operation {
self.sendStatusMessage("Changing image opacity...");
image.opacity(opacity / 100);
const imageBuffer = await image.getBufferAsync(jimp.MIME_PNG);
return [...imageBuffer];
let imageBuffer;
if (image.getMIME() === "image/gif") {
imageBuffer = await image.getBufferAsync(jimp.MIME_PNG);
} else {
imageBuffer = await image.getBufferAsync(jimp.AUTO);
}
return imageBuffer.buffer;
} catch (err) {
throw new OperationError(`Error changing image opacity. (${err})`);
}
@ -71,18 +76,19 @@ class ImageOpacity extends Operation {
/**
* Displays the 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)}">`;
}
}