diff --git a/src/web/BindingsWaiter.js b/src/web/BindingsWaiter.js new file mode 100644 index 00000000..802590b8 --- /dev/null +++ b/src/web/BindingsWaiter.js @@ -0,0 +1,217 @@ +/** + * Waiter to handle keybindings to CyberChef functions (i.e. Bake, Step, Save, Load etc.) + * + * @author Matt C [matt@artemisbot.uk] + * @copyright Crown Copyright 2016 + * @license Apache-2.0 + * + * @constructor + * @param {App} app - The main view object for CyberChef. + * @param {Manager} manager - The CyberChef event manager. + */ +const BindingsWaiter = function (app, manager) { + this.app = app; + this.manager = manager; +}; + + +/** + * Handler for all keydown events + * Checks whether valid keyboard shortcut has been instated + * + * @fires Manager#statechange + * @param {event} e + */ +BindingsWaiter.prototype.parseInput = function(e) { + const modKey = this.app.options.useMetaKey ? e.metaKey : e.altKey; + + if (e.ctrlKey && modKey) { + let elem; + switch (e.code) { + case "KeyF": // Focus search + e.preventDefault(); + document.getElementById("search").focus(); + break; + case "KeyI": // Focus input + e.preventDefault(); + document.getElementById("input-text").focus(); + break; + case "KeyO": // Focus output + e.preventDefault(); + document.getElementById("output-text").focus(); + break; + case "Period": // Focus next operation + e.preventDefault(); + try { + elem = document.activeElement.closest(".operation") || document.querySelector("#rec-list .operation"); + if (elem.parentNode.lastChild === elem) { + // If operation is last in recipe, loop around to the top operation's first argument + elem.parentNode.firstChild.querySelectorAll(".arg")[0].focus(); + } else { + // Focus first argument of next operation + elem.nextSibling.querySelectorAll(".arg")[0].focus(); + } + } catch (e) { + // do nothing, just don't throw an error + } + break; + case "KeyB": // Set breakpoint + e.preventDefault(); + try { + elem = document.activeElement.closest(".operation").querySelectorAll(".breakpoint")[0]; + if (elem.getAttribute("break") === "false") { + elem.setAttribute("break", "true"); // add break point if not already enabled + elem.classList.add("breakpoint-selected"); + } else { + elem.setAttribute("break", "false"); // remove break point if already enabled + elem.classList.remove("breakpoint-selected"); + } + window.dispatchEvent(this.manager.statechange); + } catch (e) { + // do nothing, just don't throw an error + } + break; + case "KeyD": // Disable operation + e.preventDefault(); + try { + elem = document.activeElement.closest(".operation").querySelectorAll(".disable-icon")[0]; + if (elem.getAttribute("disabled") === "false") { + elem.setAttribute("disabled", "true"); // disable operation if enabled + elem.classList.add("disable-elem-selected"); + elem.parentNode.parentNode.classList.add("disabled"); + } else { + elem.setAttribute("disabled", "false"); // enable operation if disabled + elem.classList.remove("disable-elem-selected"); + elem.parentNode.parentNode.classList.remove("disabled"); + } + this.app.progress = 0; + window.dispatchEvent(this.manager.statechange); + } catch (e) { + // do nothing, just don't throw an error + } + break; + case "Space": // Bake + e.preventDefault(); + this.app.bake(); + break; + case "Quote": // Step through + e.preventDefault(); + this.app.bake(true); + break; + case "KeyC": // Clear recipe + e.preventDefault(); + this.manager.recipe.clearRecipe(); + break; + case "KeyS": // Save output to file + e.preventDefault(); + this.manager.output.saveClick(); + break; + case "KeyL": // Load recipe + e.preventDefault(); + this.manager.controls.loadClick(); + break; + case "KeyM": // Switch input and output + e.preventDefault(); + this.manager.output.switchClick(); + break; + default: + if (e.code.match(/Digit[0-9]/g)) { // Select nth operation + e.preventDefault(); + try { + // Select the first argument of the operation corresponding to the number pressed + document.querySelector(`li:nth-child(${e.code.substr(-1)}) .arg`).focus(); + } catch (e) { + // do nothing, just don't throw an error + } + } + break; + } + } +}; + + +/** + * Updates keybinding list when metaKey option is toggled + * + */ +BindingsWaiter.prototype.updateKeybList = function() { + let modWinLin = "Alt"; + let modMac = "Opt"; + if (this.app.options.useMetaKey) { + modWinLin = "Win"; + modMac = "Cmd"; + } + document.getElementById("keybList").innerHTML = ` +