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Files are now uploaded in a worker and not displayed in the input by default. Added ArrayBuffer Dish type.

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This commit is contained in:
n1474335 2017-12-18 20:39:55 +00:00
parent 021cae1a95
commit 4e00ac9300
8 changed files with 232 additions and 67 deletions
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7
src/core/Chef.js
View file

@ -19,7 +19,7 @@ const Chef = function() {
/**
* Runs the recipe over the input.
*
* @param {string} inputText - The input data as a string
* @param {string|ArrayBuffer} input - The input data as a string or ArrayBuffer
* @param {Object[]} recipeConfig - The recipe configuration object
* @param {Object} options - The options object storing various user choices
* @param {boolean} options.attempHighlight - Whether or not to attempt highlighting
@ -33,7 +33,7 @@ const Chef = function() {
* @returns {number} response.duration - The number of ms it took to execute the recipe
* @returns {number} response.error - The error object thrown by a failed operation (false if no error)
*/
Chef.prototype.bake = async function(inputText, recipeConfig, options, progress, step) {
Chef.prototype.bake = async function(input, recipeConfig, options, progress, step) {
let startTime = new Date().getTime(),
recipe = new Recipe(recipeConfig),
containsFc = recipe.containsFlowControl(),
@ -62,7 +62,8 @@ Chef.prototype.bake = async function(inputText, recipeConfig, options, progress,
// If starting from scratch, load data
if (progress === 0) {
this.dish.set(inputText, Dish.STRING);
const type = input instanceof ArrayBuffer ? Dish.ARRAY_BUFFER : Dish.STRING;
this.dish.set(input, type);
}
try {

46
src/core/Dish.js
View file

@ -8,11 +8,11 @@ import Utils from "./Utils.js";
* @license Apache-2.0
*
* @class
* @param {byteArray|string|number} value - The value of the input data.
* @param {byteArray|string|number|ArrayBuffer} value - The value of the input data.
* @param {number} type - The data type of value, see Dish enums.
*/
const Dish = function(value, type) {
this.value = value || typeof value == "string" ? value : null;
this.value = value || typeof value === "string" ? value : null;
this.type = type || Dish.BYTE_ARRAY;
};
@ -41,6 +41,12 @@ Dish.NUMBER = 2;
* @enum
*/
Dish.HTML = 3;
/**
* Dish data type enum for ArrayBuffers.
* @readonly
* @enum
*/
Dish.ARRAY_BUFFER = 4;
/**
@ -64,6 +70,9 @@ Dish.typeEnum = function(typeStr) {
case "html":
case "HTML":
return Dish.HTML;
case "arrayBuffer":
case "ArrayBuffer":
return Dish.ARRAY_BUFFER;
default:
throw "Invalid data type string. No matching enum.";
}
@ -87,6 +96,8 @@ Dish.enumLookup = function(typeEnum) {
return "number";
case Dish.HTML:
return "html";
case Dish.ARRAY_BUFFER:
return "ArrayBuffer";
default:
throw "Invalid data type enum. No matching type.";
}
@ -96,7 +107,7 @@ Dish.enumLookup = function(typeEnum) {
/**
* Sets the data value and type and then validates them.
*
* @param {byteArray|string|number} value - The value of the input data.
* @param {byteArray|string|number|ArrayBuffer} value - The value of the input data.
* @param {number} type - The data type of value, see Dish enums.
*/
Dish.prototype.set = function(value, type) {
@ -114,7 +125,7 @@ Dish.prototype.set = function(value, type) {
* Returns the value of the data in the type format specified.
*
* @param {number} type - The data type of value, see Dish enums.
* @returns {byteArray|string|number} The value of the output data.
* @returns {byteArray|string|number|ArrayBuffer} The value of the output data.
*/
Dish.prototype.get = function(type) {
if (this.type !== type) {
@ -134,20 +145,23 @@ Dish.prototype.translate = function(toType) {
switch (this.type) {
case Dish.STRING:
this.value = this.value ? Utils.strToByteArray(this.value) : [];
this.type = Dish.BYTE_ARRAY;
break;
case Dish.NUMBER:
this.value = typeof this.value == "number" ? Utils.strToByteArray(this.value.toString()) : [];
this.type = Dish.BYTE_ARRAY;
break;
case Dish.HTML:
this.value = this.value ? Utils.strToByteArray(Utils.unescapeHtml(Utils.stripHtmlTags(this.value, true))) : [];
this.type = Dish.BYTE_ARRAY;
break;
case Dish.ARRAY_BUFFER:
// Array.from() would be nicer here, but it's slightly slower
this.value = Array.prototype.slice.call(new Uint8Array(this.value));
break;
default:
break;
}
this.type = Dish.BYTE_ARRAY;
// Convert from byteArray to toType
switch (toType) {
case Dish.STRING:
@ -159,6 +173,10 @@ Dish.prototype.translate = function(toType) {
this.value = this.value ? parseFloat(Utils.byteArrayToUtf8(this.value)) : 0;
this.type = Dish.NUMBER;
break;
case Dish.ARRAY_BUFFER:
this.value = new Uint8Array(this.value).buffer;
this.type = Dish.ARRAY_BUFFER;
break;
default:
break;
}
@ -180,7 +198,7 @@ Dish.prototype.valid = function() {
// Check that every value is a number between 0 - 255
for (let i = 0; i < this.value.length; i++) {
if (typeof this.value[i] != "number" ||
if (typeof this.value[i] !== "number" ||
this.value[i] < 0 ||
this.value[i] > 255) {
return false;
@ -189,15 +207,11 @@ Dish.prototype.valid = function() {
return true;
case Dish.STRING:
case Dish.HTML:
if (typeof this.value == "string") {
return true;
}
return false;
return typeof this.value === "string";
case Dish.NUMBER:
if (typeof this.value == "number") {
return true;
}
return false;
return typeof this.value === "number";
case Dish.ARRAY_BUFFER:
return this.value instanceof ArrayBuffer;
default:
return false;
}

122
src/web/InputWaiter.js
View file

@ -1,4 +1,5 @@
import Utils from "../core/Utils.js";
import LoaderWorker from "worker-loader?inline&fallback=false!./LoaderWorker.js";
/**
@ -33,6 +34,9 @@ const InputWaiter = function(app, manager) {
144, //Num
145, //Scroll
];
this.loaderWorker = null;
this.fileBuffer = null;
};
@ -42,23 +46,49 @@ const InputWaiter = function(app, manager) {
* @returns {string}
*/
InputWaiter.prototype.get = function() {
return document.getElementById("input-text").value;
return this.fileBuffer || document.getElementById("input-text").value;
};
/**
* Sets the input in the input textarea.
* Sets the input in the input area.
*
* @param {string} input
* @param {string|File} input
*
* @fires Manager#statechange
*/
InputWaiter.prototype.set = function(input) {
if (input instanceof File) {
this.setFile(input);
input = "";
}
document.getElementById("input-text").value = input;
window.dispatchEvent(this.manager.statechange);
};
/**
* Shows file details.
*
* @param {File} file
*/
InputWaiter.prototype.setFile = function(file) {
// Display file overlay in input area with details
const fileOverlay = document.getElementById("input-file"),
fileName = document.getElementById("input-file-name"),
fileSize = document.getElementById("input-file-size"),
fileType = document.getElementById("input-file-type"),
fileUploaded = document.getElementById("input-file-uploaded");
fileOverlay.style.display = "block";
fileName.textContent = file.name;
fileSize.textContent = file.size.toLocaleString() + " bytes";
fileType.textContent = file.type;
fileUploaded.textContent = "0%";
};
/**
* Displays information about the input.
*
@ -118,7 +148,7 @@ InputWaiter.prototype.inputDragover = function(e) {
e.stopPropagation();
e.preventDefault();
e.target.classList.add("dropping-file");
e.target.closest("#input-text,#input-file").classList.add("dropping-file");
};
@ -131,7 +161,8 @@ InputWaiter.prototype.inputDragover = function(e) {
InputWaiter.prototype.inputDragleave = function(e) {
e.stopPropagation();
e.preventDefault();
e.target.classList.remove("dropping-file");
document.getElementById("input-text").classList.remove("dropping-file");
document.getElementById("input-file").classList.remove("dropping-file");
};
@ -149,55 +180,57 @@ InputWaiter.prototype.inputDrop = function(e) {
e.stopPropagation();
e.preventDefault();
const el = e.target;
const file = e.dataTransfer.files[0];
const text = e.dataTransfer.getData("Text");
const reader = new FileReader();
let inputCharcode = "";
let offset = 0;
const CHUNK_SIZE = 20480; // 20KB
const setInput = function() {
const recipeConfig = this.app.getRecipeConfig();
if (!recipeConfig[0] || recipeConfig[0].op !== "From Hex") {
recipeConfig.unshift({op: "From Hex", args: ["Space"]});
this.app.setRecipeConfig(recipeConfig);
}
document.getElementById("input-text").classList.remove("dropping-file");
document.getElementById("input-file").classList.remove("dropping-file");
this.set(inputCharcode);
el.classList.remove("loadingFile");
}.bind(this);
const seek = function() {
if (offset >= file.size) {
setInput();
return;
}
el.value = "Processing... " + Math.round(offset / file.size * 100) + "%";
const slice = file.slice(offset, offset + CHUNK_SIZE);
reader.readAsArrayBuffer(slice);
};
reader.onload = function(e) {
const data = new Uint8Array(reader.result);
inputCharcode += Utils.toHexFast(data);
offset += CHUNK_SIZE;
seek();
};
el.classList.remove("dropping-file");
if (text) {
this.closeFile();
this.set(text);
return;
}
if (file) {
el.classList.add("loadingFile");
seek();
} else if (text) {
this.set(text);
this.closeFile();
this.loaderWorker = new LoaderWorker();
this.loaderWorker.addEventListener("message", this.handleLoaderMessage.bind(this));
this.loaderWorker.postMessage({"file": file});
this.set(file);
}
};
/**
* Handler for messages sent back by the LoaderWorker.
*
* @param {MessageEvent} e
*/
InputWaiter.prototype.handleLoaderMessage = function(e) {
const r = e.data;
if (r.hasOwnProperty("progress")) {
const fileUploaded = document.getElementById("input-file-uploaded");
fileUploaded.textContent = r.progress + "%";
}
if (r.hasOwnProperty("fileBuffer")) {
this.fileBuffer = r.fileBuffer;
window.dispatchEvent(this.manager.statechange);
}
};
/**
* Handler for file close events.
*/
InputWaiter.prototype.closeFile = function() {
if (this.loaderWorker) this.loaderWorker.terminate();
this.fileBuffer = null;
document.getElementById("input-file").style.display = "none";
};
/**
* Handler for clear IO events.
* Resets the input, output and info areas.
@ -205,6 +238,7 @@ InputWaiter.prototype.inputDrop = function(e) {
* @fires Manager#statechange
*/
InputWaiter.prototype.clearIoClick = function() {
this.closeFile();
this.manager.highlighter.removeHighlights();
document.getElementById("input-text").value = "";
document.getElementById("output-text").value = "";

50
src/web/LoaderWorker.js Normal file
View file

@ -0,0 +1,50 @@
/**
* Web Worker to load large amounts of data without locking up the UI.
*
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2017
* @license Apache-2.0
*/
/**
* Respond to message from parent thread.
*/
self.addEventListener("message", function(e) {
const r = e.data;
if (r.hasOwnProperty("file")) {
self.loadFile(r.file);
}
});
/**
* Loads a file object into an ArrayBuffer, then transfers it back to the parent thread.
*
* @param {File} file
*/
self.loadFile = function(file) {
const reader = new FileReader();
let data = new Uint8Array(file.size);
let offset = 0;
const CHUNK_SIZE = 10485760; // 10MiB
const seek = function() {
if (offset >= file.size) {
self.postMessage({"progress": 100});
self.postMessage({"fileBuffer": data.buffer}, [data.buffer]);
return;
}
self.postMessage({"progress": Math.round(offset / file.size * 100)});
const slice = file.slice(offset, offset + CHUNK_SIZE);
reader.readAsArrayBuffer(slice);
};
reader.onload = function(e) {
data.set(new Uint8Array(reader.result), offset);
offset += CHUNK_SIZE;
seek();
};
seek();
};

7
src/web/Manager.js
View file

@ -135,13 +135,14 @@ Manager.prototype.initialiseEventListeners = function() {
this.addMultiEventListener("#input-text", "keyup paste", this.input.inputChange, this.input);
document.getElementById("reset-layout").addEventListener("click", this.app.resetLayout.bind(this.app));
document.getElementById("clr-io").addEventListener("click", this.input.clearIoClick.bind(this.input));
document.getElementById("input-text").addEventListener("dragover", this.input.inputDragover.bind(this.input));
document.getElementById("input-text").addEventListener("dragleave", this.input.inputDragleave.bind(this.input));
document.getElementById("input-text").addEventListener("drop", this.input.inputDrop.bind(this.input));
this.addListeners("#input-text,#input-file", "dragover", this.input.inputDragover, this.input);
this.addListeners("#input-text,#input-file", "dragleave", this.input.inputDragleave, this.input);
this.addListeners("#input-text,#input-file", "drop", this.input.inputDrop, this.input);
document.getElementById("input-text").addEventListener("scroll", this.highlighter.inputScroll.bind(this.highlighter));
document.getElementById("input-text").addEventListener("mouseup", this.highlighter.inputMouseup.bind(this.highlighter));
document.getElementById("input-text").addEventListener("mousemove", this.highlighter.inputMousemove.bind(this.highlighter));
this.addMultiEventListener("#input-text", "mousedown dblclick select", this.highlighter.inputMousedown, this.highlighter);
document.querySelector("#input-file .close").addEventListener("click", this.input.closeFile.bind(this.input));
// Output
document.getElementById("save-to-file").addEventListener("click", this.output.saveClick.bind(this.output));

14
src/web/html/index.html
View file

@ -181,6 +181,20 @@
<div class="textarea-wrapper no-select">
<div id="input-highlighter" class="no-select"></div>
<textarea id="input-text"></textarea>
<div id="input-file">
<div style="position: relative; height: 100%;">
<div class="card">
<img aria-hidden="true" src="<%- require('../static/images/cyberchef-256x256.png') %>" alt="File icon"/>
<div class="card-body">
<button type="button" class="close" id="input-file-close">&times;</button>
Name: <span id="input-file-name"></span><br>
Size: <span id="input-file-size"></span><br>
Type: <span id="input-file-type"></span><br>
Uploaded: <span id="input-file-uploaded"></span>
</div>
</div>
</div>
</div>
</div>
</div>

41
src/web/stylesheets/components/_pane.css
View file

@ -28,3 +28,44 @@
margin: 0;
padding: 0;
}
.card {
box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
transition: 0.3s;
width: 400px;
height: 150px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-family: var(--primary-font-family);
color: var(--primary-font-colour);
line-height: 30px;
background-color: var(--primary-background-colour);
}
.card:hover {
box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
}
.card>img {
float: left;
width: 150px;
height: 150px;
}
.card-body .close {
position: absolute;
right: 10px;
top: 10px;
}
.card-body {
float: left;
padding: 16px;
width: 250px;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
user-select: text;
}

12
src/web/stylesheets/layout/_io.css
View file

@ -39,7 +39,7 @@
}
.textarea-wrapper textarea,
.textarea-wrapper div {
.textarea-wrapper>div {
font-family: var(--fixed-width-font-family);
font-size: var(--fixed-width-font-size);
color: var(--fixed-width-font-colour);
@ -77,6 +77,16 @@
transition: all 0.5s ease;
}
#input-file {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: var(--title-background-colour);
display: none;
}
.io-btn-group {
float: right;
margin-top: -4px;