8.20.0

.travis.yml

@@ -6,6 +6,7 @@ addons:
 install: npm install
 before_script:
   - npm install -g grunt
+  - export NODE_OPTIONS=--max_old_space_size=2048
 script:
   - grunt lint
   - grunt test

CHANGELOG.md

@@ -2,6 +2,9 @@
 All major and minor version changes will be documented in this file. Details of patch-level version changes can be found in [commit messages](https://github.com/gchq/CyberChef/commits/master).
 
 
+### [8.20.0] - 2019-01-09
+- 'Generate Lorem Ipsum' operation added [@klaxon1] | [#455]
+
 ### [8.19.0] - 2018-12-30
 - UI test suite added to confirm that the app loads correctly in a reasonable time and that various operations from each module can be run [@n1474335] | [#458]
 
@@ -88,6 +91,7 @@ All major and minor version changes will be documented in this file. Details of
 
 
 
+[8.20.0]: https://github.com/gchq/CyberChef/releases/tag/v8.20.0
 [8.19.0]: https://github.com/gchq/CyberChef/releases/tag/v8.19.0
 [8.18.0]: https://github.com/gchq/CyberChef/releases/tag/v8.18.0
 [8.17.0]: https://github.com/gchq/CyberChef/releases/tag/v8.17.0
@@ -159,4 +163,5 @@ All major and minor version changes will be documented in this file. Details of
 [#446]: https://github.com/gchq/CyberChef/pull/446
 [#448]: https://github.com/gchq/CyberChef/pull/448
 [#449]: https://github.com/gchq/CyberChef/pull/449
+[#455]: https://github.com/gchq/CyberChef/pull/455
 [#458]: https://github.com/gchq/CyberChef/pull/458

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "8.19.2",
+  "version": "8.20.0",
   "lockfileVersion": 1,
   "requires": true,
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+          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
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-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.0.tgz",
+      "resolved": "http://registry.npmjs.org/axios/-/axios-0.18.0.tgz",
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@@ -3146,7 +3146,7 @@
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+          "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
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@@ -4271,7 +4271,7 @@
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@@ -4794,7 +4794,7 @@
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@@ -4829,7 +4829,7 @@
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@@ -5098,12 +5098,14 @@
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@@ -5123,7 +5125,8 @@
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@@ -5271,6 +5274,7 @@
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@@ -5660,7 +5664,7 @@
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@@ -5823,7 +5827,7 @@
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           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {
@@ -11710,7 +11714,7 @@
     },
     "split2": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/split2/-/split2-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-1.1.1.tgz",
       "integrity": "sha1-Fi2bGIZfAqsvKtlYVSLbm1TEgfk=",
       "dev": true,
       "requires": {
@@ -11719,7 +11723,7 @@
     },
     "sprintf-js": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
@@ -11851,7 +11855,7 @@
         },
         "string_decoder": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
           "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
@@ -11868,7 +11872,7 @@
     },
     "stream-browserify": {
       "version": "2.0.1",
-      "resolved": "http://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.1.tgz",
       "integrity": "sha1-ZiZu5fm9uZQKTkUUyvtDu3Hlyds=",
       "dev": true,
       "requires": {
@@ -11954,7 +11958,7 @@
         },
         "string_decoder": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
           "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
@@ -12071,7 +12075,7 @@
     },
     "supports-color": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
     "symbol-tree": {
@@ -12534,7 +12538,7 @@
     },
     "tty-browserify": {
       "version": "0.0.0",
-      "resolved": "http://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
       "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY=",
       "dev": true
     },
@@ -12609,7 +12613,7 @@
     },
     "underscore": {
       "version": "1.7.0",
-      "resolved": "http://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk="
     },
     "underscore-contrib": {
@@ -12623,7 +12627,7 @@
       "dependencies": {
         "underscore": {
           "version": "1.6.0",
-          "resolved": "http://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
           "integrity": "sha1-izixDKze9jM3uLJOT/htRa6lKag=",
           "dev": true
         }
@@ -12938,7 +12942,7 @@
       "dependencies": {
         "async": {
           "version": "0.9.2",
-          "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
+          "resolved": "http://registry.npmjs.org/async/-/async-0.9.2.tgz",
           "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=",
           "dev": true
         },
@@ -13008,7 +13012,7 @@
     },
     "vm-browserify": {
       "version": "0.0.4",
-      "resolved": "http://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
       "integrity": "sha1-XX6kW7755Kb/ZflUOOCofDV9WnM=",
       "dev": true,
       "requires": {
@@ -13666,14 +13670,14 @@
       "dependencies": {
         "async": {
           "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
           "dev": true,
           "optional": true
         },
         "colors": {
           "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+          "resolved": "http://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
           "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
           "dev": true,
           "optional": true
@@ -13725,7 +13729,7 @@
         },
         "string-width": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
@@ -13880,7 +13884,7 @@
         },
         "string-width": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "8.19.2",
+  "version": "8.20.0",
   "description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
   "author": "n1474335 <n1474335@gmail.com>",
   "homepage": "https://gchq.github.io/CyberChef",

src/core/config/Categories.json

@@ -374,6 +374,7 @@
             "Generate QR Code",
             "Parse QR Code",
             "Haversine distance",
+            "Generate Lorem Ipsum",
             "Numberwang",
             "XKCD Random Number"
         ]

src/core/lib/LoremIpsum.mjs

@@ -0,0 +1,230 @@
+/**
+ * Lorem Ipsum generator.
+ *
+ * @author Klaxon [klaxon@veyr.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+/**
+ * Generate lorem ipsum paragraphs.
+ *
+ * @param {number} length
+ * @returns {string}
+ */
+export function GenerateParagraphs(length=3) {
+    const paragraphs = [];
+    while (paragraphs.length < length) {
+        const paragraphLength = getRandomLength(PARAGRAPH_LENGTH_MEAN, PARAGRAPH_LENGTH_STD_DEV);
+        const sentences = [];
+        while (sentences.length < paragraphLength) {
+            const sentenceLength = getRandomLength(SENTENCE_LENGTH_MEAN, SENTENCE_LENGTH_STD_DEV);
+            const sentence = getWords(sentenceLength);
+            sentences.push(formatSentence(sentence));
+        }
+        paragraphs.push(formatParagraph(sentences));
+    }
+    paragraphs[paragraphs.length-1] = paragraphs[paragraphs.length-1].slice(0, -2);
+    paragraphs[0] = replaceStart(paragraphs[0]);
+    return paragraphs.join("");
+}
+
+
+/**
+ * Generate lorem ipsum sentences.
+ *
+ * @param {number} length
+ * @returns {string}
+ */
+export function GenerateSentences(length=3) {
+    const sentences = [];
+    while (sentences.length < length) {
+        const sentenceLength = getRandomLength(SENTENCE_LENGTH_MEAN, SENTENCE_LENGTH_STD_DEV);
+        const sentence = getWords(sentenceLength);
+        sentences.push(formatSentence(sentence));
+    }
+    const paragraphs = sentencesToParagraphs(sentences);
+    return paragraphs.join("");
+}
+
+
+/**
+ * Generate lorem ipsum words.
+ *
+ * @param {number} length
+ * @returns {string}
+ */
+export function GenerateWords(length=3) {
+    const words = getWords(length);
+    const sentences = wordsToSentences(words);
+    const paragraphs = sentencesToParagraphs(sentences);
+    return paragraphs.join("");
+}
+
+
+/**
+ * Generate lorem ipsum bytes.
+ *
+ * @param {number} length
+ * @returns {string}
+ */
+export function GenerateBytes(length=3) {
+    const str = GenerateWords(length/3);
+    return str.slice(0, length);
+}
+
+
+/**
+ * Get array of randomly selected words from the lorem ipsum wordList.
+ *
+ * @param {number} length
+ * @returns {string[]}
+ * @private
+ */
+function getWords(length=3) {
+    const words = [];
+    let word;
+    let previousWord;
+    while (words.length < length){
+        do {
+            word = wordList[Math.floor(Math.random() * wordList.length)];
+        } while (previousWord === word);
+        words.push(word);
+        previousWord = word;
+    }
+    return words;
+}
+
+
+/**
+ * Convert an array of words into an array of sentences
+ *
+ * @param {string[]} words
+ * @returns {string[]}
+ * @private
+ */
+function wordsToSentences(words) {
+    const sentences = [];
+    while (words.length > 0) {
+        const sentenceLength = getRandomLength(SENTENCE_LENGTH_MEAN, SENTENCE_LENGTH_STD_DEV);
+        if (sentenceLength <= words.length) {
+            sentences.push(formatSentence(words.splice(0, sentenceLength)));
+        } else {
+            sentences.push(formatSentence(words.splice(0, words.length)));
+        }
+    }
+    return sentences;
+}
+
+
+/**
+ * Convert an array of sentences into an array of paragraphs
+ *
+ * @param {string[]} sentences
+ * @returns {string[]}
+ * @private
+ */
+function sentencesToParagraphs(sentences) {
+    const paragraphs = [];
+    while (sentences.length > 0) {
+        const paragraphLength = getRandomLength(PARAGRAPH_LENGTH_MEAN, PARAGRAPH_LENGTH_STD_DEV);
+        paragraphs.push(formatParagraph(sentences.splice(0, paragraphLength)));
+    }
+    paragraphs[paragraphs.length-1] = paragraphs[paragraphs.length-1].slice(0, -1);
+    paragraphs[0] = replaceStart(paragraphs[0]);
+    return paragraphs;
+}
+
+
+/**
+ * Format an array of words into a sentence.
+ *
+ * @param {string[]} words
+ * @returns {string}
+ * @private
+ */
+function formatSentence(words) {
+    // 0.35 chance of a  comma being added randomly to the sentence.
+    if (Math.random() < PROBABILITY_OF_A_COMMA) {
+        const pos = Math.round(Math.random()*(words.length-1));
+        words[pos] +=",";
+    }
+    let sentence = words.join(" ");
+    sentence = sentence.charAt(0).toUpperCase() + sentence.slice(1);
+    sentence += ".";
+    return sentence;
+}
+
+
+/**
+ * Format an array of sentences into a paragraph.
+ *
+ * @param {string[]} sentences
+ * @returns {string}
+ * @private
+ */
+function formatParagraph(sentences) {
+    let paragraph = sentences.join(" ");
+    paragraph += "\n\n";
+    return paragraph;
+}
+
+
+/**
+ * Get a random number based on a mean and standard deviation.
+ *
+ * @param {number} mean
+ * @param {number} stdDev
+ * @returns {number}
+ * @private
+ */
+function getRandomLength(mean, stdDev) {
+    let length;
+    do {
+        length =  Math.round((Math.random()*2-1)+(Math.random()*2-1)+(Math.random()*2-1)*stdDev+mean);
+    } while (length <= 0);
+    return length;
+}
+
+
+/**
+ * Replace first 5 words with "Lorem ipsum dolor sit amet"
+ *
+ * @param {string[]} str
+ * @returns {string[]}
+ * @private
+ */
+function replaceStart(str) {
+    let words = str.split(" ");
+    if (words.length > 5) {
+        words.splice(0, 5, "Lorem", "ipsum", "dolor", "sit", "amet");
+        return words.join(" ");
+    } else {
+        const lorem = ["Lorem", "ipsum", "dolor", "sit", "amet"];
+        words = lorem.slice(0, words.length);
+        str = words.join(" ");
+        str += ".";
+        return str;
+    }
+}
+
+
+const SENTENCE_LENGTH_MEAN = 15;
+const SENTENCE_LENGTH_STD_DEV = 9;
+const PARAGRAPH_LENGTH_MEAN = 5;
+const PARAGRAPH_LENGTH_STD_DEV = 2;
+const PROBABILITY_OF_A_COMMA = 0.35;
+
+const wordList = [
+    "ad", "adipisicing", "aliqua", "aliquip", "amet", "anim",
+    "aute", "cillum", "commodo", "consectetur", "consequat", "culpa",
+    "cupidatat", "deserunt", "do", "dolor", "dolore", "duis",
+    "ea", "eiusmod", "elit", "enim", "esse", "est",
+    "et", "eu", "ex", "excepteur", "exercitation", "fugiat",
+    "id", "in", "incididunt", "ipsum", "irure", "labore",
+    "laboris", "laborum", "Lorem", "magna", "minim", "mollit",
+    "nisi", "non", "nostrud", "nulla", "occaecat", "officia",
+    "pariatur", "proident", "qui", "quis", "reprehenderit", "sint",
+    "sit", "sunt", "tempor", "ullamco", "ut", "velit",
+    "veniam", "voluptate",
+];

src/core/operations/GenerateLoremIpsum.mjs

@@ -0,0 +1,70 @@
+/**
+ * @author klaxon [klaxon@veyr.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import OperationError from "../errors/OperationError";
+import { GenerateParagraphs, GenerateSentences, GenerateWords, GenerateBytes } from "../lib/LoremIpsum";
+
+/**
+ * Generate Lorem Ipsum operation
+ */
+class GenerateLoremIpsum extends Operation {
+
+    /**
+     * GenerateLoremIpsum constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Generate Lorem Ipsum";
+        this.module = "Default";
+        this.description = "Generate varying length lorem ipsum placeholder text.";
+        this.infoURL = "https://wikipedia.org/wiki/Lorem_ipsum";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Length",
+                "type": "number",
+                "value": "3"
+            },
+            {
+                "name": "Length in",
+                "type": "option",
+                "value": ["Paragraphs", "Sentences", "Words", "Bytes"]
+            }
+
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const [length, lengthType] = args;
+        if (length < 1){
+            throw new OperationError("Length must be greater than 0");
+        }
+        switch (lengthType) {
+            case "Paragraphs":
+                return GenerateParagraphs(length);
+            case "Sentences":
+                return GenerateSentences(length);
+            case "Words":
+                return GenerateWords(length);
+            case "Bytes":
+                return GenerateBytes(length);
+            default:
+                throw new OperationError("Invalid length type");
+
+        }
+    }
+
+}
+
+export default GenerateLoremIpsum;

src/core/operations/RegularExpression.mjs

@@ -228,40 +228,29 @@ function regexList (input, regex, displayTotal, matches, captureGroups) {
 function regexHighlight (input, regex, displayTotal) {
     let output = "",
         title = "",
-        m,
         hl = 1,
-        i = 0,
         total = 0;
 
-    while ((m = regex.exec(input))) {
-        // Moves pointer when an empty string is matched (prevents infinite loop)
-        if (m.index === regex.lastIndex) {
-            regex.lastIndex++;
-        }
+    output = input.replace(regex, (match, ...args) => {
+        args.pop(); // Throw away full string
+        const offset = args.pop(),
+            groups = args;
 
-        // Add up to match
-        output += Utils.escapeHtml(input.slice(i, m.index));
-
-        title = `Offset: ${m.index}\n`;
-        if (m.length > 1) {
+        title = `Offset: ${offset}\n`;
+        if (groups.length) {
             title += "Groups:\n";
-            for (let n = 1; n < m.length; ++n) {
-                title += `\t${n}: ${m[n]}\n`;
+            for (let i = 0; i < groups.length; i++) {
+                title += `\t${i+1}: ${Utils.escapeHtml(groups[i])}\n`;
             }
         }
 
-        // Add match with highlighting
-        output += "<span class='hl"+hl+"' title='"+title+"'>" + Utils.escapeHtml(m[0]) + "</span>";
-
         // Switch highlight
         hl = hl === 1 ? 2 : 1;
 
-        i = regex.lastIndex;
         total++;
-    }
 
-    // Add all after final match
-    output += Utils.escapeHtml(input.slice(i, input.length));
+        return `<span class='hl${hl}' title='${title}'>${Utils.escapeHtml(match)}</span>`;
+    });
 
     if (displayTotal)
         output = "Total found: " + total + "\n\n" + output;

src/web/App.mjs

@@ -238,12 +238,18 @@ class App {
 
     /**
      * Sets up the adjustable splitter to allow the user to resize areas of the page.
+     *
+     * @param {boolean} [minimise=false] - Set this flag if attempting to minimuse frames to 0 width
      */
-    initialiseSplitter() {
+    initialiseSplitter(minimise=false) {
+        if (this.columnSplitter) this.columnSplitter.destroy();
+        if (this.ioSplitter) this.ioSplitter.destroy();
+
         this.columnSplitter = Split(["#operations", "#recipe", "#IO"], {
             sizes: [20, 30, 50],
-            minSize: [240, 370, 450],
+            minSize: minimise ? [0, 0, 0] : [240, 370, 450],
             gutterSize: 4,
+            expandToMin: false,
             onDrag: function() {
                 this.manager.recipe.adjustWidth();
             }.bind(this)
@@ -251,7 +257,8 @@ class App {
 
         this.ioSplitter = Split(["#input", "#output"], {
             direction: "vertical",
-            gutterSize: 4
+            gutterSize: 4,
+            minSize: minimise ? [0, 0] : [100, 100]
         });
 
         this.resetLayout();

src/web/OutputWaiter.mjs

@@ -319,6 +319,7 @@ class OutputWaiter {
         const el = e.target.id === "maximise-output" ? e.target : e.target.parentNode;
 
         if (el.getAttribute("data-original-title").indexOf("Maximise") === 0) {
+            this.app.initialiseSplitter(true);
             this.app.columnSplitter.collapse(0);
             this.app.columnSplitter.collapse(1);
             this.app.ioSplitter.collapse(0);
@@ -328,6 +329,7 @@ class OutputWaiter {
         } else {
             $(el).attr("data-original-title", "Maximise output pane");
             el.querySelector("i").innerHTML = "fullscreen";
+            this.app.initialiseSplitter(false);
             this.app.resetLayout();
         }
     }