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