mirror of https://github.com/gchq/CyberChef.git
140 lines
4.5 KiB
JavaScript
Executable File
140 lines
4.5 KiB
JavaScript
Executable File
/**
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* Waiter to handle events related to the output.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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* @constructor
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* @param {HTMLApp} app - The main view object for CyberChef.
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* @param {Manager} manager - The CyberChef event manager.
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*/
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var OutputWaiter = function(app, manager) {
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this.app = app;
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this.manager = manager;
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};
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/**
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* Gets the output string from the output textarea.
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*
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* @returns {string}
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*/
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OutputWaiter.prototype.get = function() {
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return document.getElementById("output-text").value;
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};
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/**
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* Sets the output in the output textarea.
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*
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* @param {string} data_str - The output string/HTML
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* @param {string} type - The data type of the output
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* @param {number} duration - The length of time (ms) it took to generate the output
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*/
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OutputWaiter.prototype.set = function(data_str, type, duration) {
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var output_text = document.getElementById("output-text"),
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output_html = document.getElementById("output-html"),
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output_highlighter = document.getElementById("output-highlighter"),
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input_highlighter = document.getElementById("input-highlighter");
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if (type === "html") {
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output_text.style.display = "none";
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output_html.style.display = "block";
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output_highlighter.display = "none";
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input_highlighter.display = "none";
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output_text.value = "";
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output_html.innerHTML = data_str;
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// Execute script sections
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var script_elements = output_html.querySelectorAll("script");
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for (var i = 0; i < script_elements.length; i++) {
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try {
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eval(script_elements[i].innerHTML); // eslint-disable-line no-eval
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} catch (err) {
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console.error(err);
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}
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}
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} else {
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output_text.style.display = "block";
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output_html.style.display = "none";
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output_highlighter.display = "block";
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input_highlighter.display = "block";
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output_text.value = Utils.printable(data_str, true);
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output_html.innerHTML = "";
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}
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this.manager.highlighter.remove_highlights();
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var lines = data_str.count("\n") + 1;
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this.set_output_info(data_str.length, lines, duration);
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};
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/**
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* Displays information about the output.
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*
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* @param {number} length - The length of the current output string
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* @param {number} lines - The number of the lines in the current output string
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* @param {number} duration - The length of time (ms) it took to generate the output
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*/
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OutputWaiter.prototype.set_output_info = function(length, lines, duration) {
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var width = length.toString().length;
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width = width < 4 ? 4 : width;
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var length_str = Utils.pad(length.toString(), width, " ").replace(/ /g, " ");
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var lines_str = Utils.pad(lines.toString(), width, " ").replace(/ /g, " ");
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var time_str = Utils.pad(duration.toString() + "ms", width, " ").replace(/ /g, " ");
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document.getElementById("output-info").innerHTML = "time: " + time_str +
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"<br>length: " + length_str +
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"<br>lines: " + lines_str;
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document.getElementById("input-selection-info").innerHTML = "";
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document.getElementById("output-selection-info").innerHTML = "";
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};
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/**
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* Handler for save click events.
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* Saves the current output to a file, downloaded as a URL octet stream.
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*/
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OutputWaiter.prototype.save_click = function() {
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var data = Utils.to_base64(this.app.dish_str),
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filename = window.prompt("Please enter a filename:", "download.dat");
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if (filename) {
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var el = document.createElement("a");
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el.setAttribute("href", "data:application/octet-stream;base64;charset=utf-8," + data);
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el.setAttribute("download", filename);
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// Firefox requires that the element be added to the DOM before it can be clicked
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el.style.display = "none";
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document.body.appendChild(el);
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el.click();
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el.remove();
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}
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};
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/**
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* Handler for switch click events.
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* Moves the current output into the input textarea.
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*/
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OutputWaiter.prototype.switch_click = function() {
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this.switch_orig_data = this.manager.input.get();
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document.getElementById("undo-switch").disabled = false;
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this.app.set_input(this.app.dish_str);
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};
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/**
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* Handler for undo switch click events.
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* Removes the output from the input and replaces the input that was removed.
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*/
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OutputWaiter.prototype.undo_switch_click = function() {
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this.app.set_input(this.switch_orig_data);
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document.getElementById("undo-switch").disabled = true;
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};
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