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n1474335 2016-11-28 10:42:58 +00:00
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src/js/views/html/OutputWaiter.js Executable file
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/**
* Waiter to handle events related to the output.
*
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*
* @constructor
* @param {HTMLApp} app - The main view object for CyberChef.
* @param {Manager} manager - The CyberChef event manager.
*/
var OutputWaiter = function(app, manager) {
this.app = app;
this.manager = manager;
};
/**
* Gets the output string from the output textarea.
*
* @returns {string}
*/
OutputWaiter.prototype.get = function() {
return document.getElementById("output-text").value;
};
/**
* Sets the output in the output textarea.
*
* @param {string} data_str - The output string/HTML
* @param {string} type - The data type of the output
* @param {number} duration - The length of time (ms) it took to generate the output
*/
OutputWaiter.prototype.set = function(data_str, type, duration) {
var output_text = document.getElementById("output-text"),
output_html = document.getElementById("output-html"),
output_highlighter = document.getElementById("output-highlighter"),
input_highlighter = document.getElementById("input-highlighter");
if (type == "html") {
output_text.style.display = "none";
output_html.style.display = "block";
output_highlighter.display = "none";
input_highlighter.display = "none";
output_text.value = "";
output_html.innerHTML = data_str;
// Execute script sections
var script_elements = output_html.querySelectorAll("script");
for (var i = 0; i < script_elements.length; i++) {
try {
eval(script_elements[i].innerHTML); // jshint ignore:line
} catch (err) {
console.error(err);
}
}
} else {
output_text.style.display = "block";
output_html.style.display = "none";
output_highlighter.display = "block";
input_highlighter.display = "block";
output_text.value = Utils.printable(data_str, true);
output_html.innerHTML = "";
}
this.manager.highlighter.remove_highlights();
var lines = data_str.count("\n") + 1;
this.set_output_info(data_str.length, lines, duration);
};
/**
* Displays information about the output.
*
* @param {number} length - The length of the current output string
* @param {number} lines - The number of the lines in the current output string
* @param {number} duration - The length of time (ms) it took to generate the output
*/
OutputWaiter.prototype.set_output_info = function(length, lines, duration) {
var width = length.toString().length;
width = width < 4 ? 4 : width;
var length_str = Utils.pad(length.toString(), width, " ").replace(/ /g, "&nbsp;");
var lines_str = Utils.pad(lines.toString(), width, " ").replace(/ /g, "&nbsp;");
var time_str = Utils.pad(duration.toString() + "ms", width, " ").replace(/ /g, "&nbsp;");
document.getElementById("output-info").innerHTML = "time: " + time_str +
"<br>length: " + length_str +
"<br>lines: " + lines_str;
document.getElementById("input-selection-info").innerHTML = "";
document.getElementById("output-selection-info").innerHTML = "";
};
/**
* Handler for save click events.
* Saves the current output to a file, downloaded as a URL octet stream.
*/
OutputWaiter.prototype.save_click = function() {
var data = Utils.to_base64(this.app.dish_str),
filename = window.prompt("Please enter a filename:", "download.dat");
if (filename) {
var el = document.createElement("a");
el.setAttribute("href", "data:application/octet-stream;base64;charset=utf-8," + data);
el.setAttribute("download", filename);
// Firefox requires that the element be added to the DOM before it can be clicked
el.style.display = "none";
document.body.appendChild(el);
el.click();
el.remove();
}
};
/**
* Handler for switch click events.
* Moves the current output into the input textarea.
*/
OutputWaiter.prototype.switch_click = function() {
this.switch_orig_data = this.manager.input.get();
document.getElementById("undo-switch").disabled = false;
this.app.set_input(this.app.dish_str);
};
/**
* Handler for undo switch click events.
* Removes the output from the input and replaces the input that was removed.
*/
OutputWaiter.prototype.undo_switch_click = function() {
this.app.set_input(this.switch_orig_data);
document.getElementById("undo-switch").disabled = true;
};