CyberChef/src/core/operations/RemoveEXIF.mjs

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2018-05-28 00:27:11 +02:00
/**
* @author tlwr [toby@toby.codes]
* @copyright Crown Copyright 2017
* @license Apache-2.0
*/
import { removeEXIF } from "../vendor/remove-exif";
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
/**
* Remove EXIF operation
*/
class RemoveEXIF extends Operation {
/**
* RemoveEXIF constructor
*/
constructor() {
super();
this.name = "Remove EXIF";
this.module = "Image";
this.description = [
"Removes EXIF data from a JPEG image.",
"<br><br>",
"EXIF data embedded in photos usually contains information about the image file itself as well as the device used to create it.",
].join("\n");
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this.inputType = "byteArray";
this.outputType = "byteArray";
this.args = [];
}
/**
* @param {byteArray} input
* @param {Object[]} args
* @returns {byteArray}
*/
run(input, args) {
// Do nothing if input is empty
if (input.length === 0) return input;
try {
return removeEXIF(input);
} catch (err) {
// Simply return input if no EXIF data is found
if (err === "Exif not found.") return input;
throw new OperationError(`Could not remove EXIF data from image: ${err}`);
}
}
}
export default RemoveEXIF;