Merge branch 'master' into feature-extract-files

src/core/operations/A1Z26CipherDecode.mjs

@@ -0,0 +1,63 @@
+/**
+ * @author Jarmo van Lenthe [github.com/jarmovanlenthe]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+import {DELIM_OPTIONS} from "../lib/Delim";
+import OperationError from "../errors/OperationError";
+
+/**
+ * A1Z26 Cipher Decode operation
+ */
+class A1Z26CipherDecode extends Operation {
+
+    /**
+     * A1Z26CipherDecode constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "A1Z26 Cipher Decode";
+        this.module = "Ciphers";
+        this.description = "Converts alphabet order numbers into their corresponding  alphabet character.<br><br>e.g. <code>1</code> becomes <code>a</code> and <code>2</code> becomes <code>b</code>.";
+        this.infoURL = "";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Delimiter",
+                type: "option",
+                value: DELIM_OPTIONS
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const delim = Utils.charRep(args[0] || "Space");
+
+        if (input.length === 0) {
+            return [];
+        }
+
+        const bites = input.split(delim);
+        let latin1 = "";
+        for (let i = 0; i < bites.length; i++) {
+            if (bites[i] < 1 || bites[i] > 26) {
+                throw new OperationError("Error: all numbers must be between 1 and 26.");
+            }
+            latin1 += Utils.chr(parseInt(bites[i], 10) + 96);
+        }
+        return latin1;
+    }
+
+}
+
+export default A1Z26CipherDecode;

src/core/operations/A1Z26CipherEncode.mjs

@@ -0,0 +1,61 @@
+/**
+ * @author Jarmo van Lenthe [github.com/jarmovanlenthe]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+import {DELIM_OPTIONS} from "../lib/Delim";
+
+/**
+ * A1Z26 Cipher Encode operation
+ */
+class A1Z26CipherEncode extends Operation {
+
+    /**
+     * A1Z26CipherEncode constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "A1Z26 Cipher Encode";
+        this.module = "Ciphers";
+        this.description = "Converts alphabet characters into their corresponding alphabet order number.<br><br>e.g. <code>a</code> becomes <code>1</code> and <code>b</code> becomes <code>2</code>.<br><br>Non-alphabet characters are dropped.";
+        this.infoURL = "";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Delimiter",
+                type: "option",
+                value: DELIM_OPTIONS
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const delim = Utils.charRep(args[0] || "Space");
+        let output = "";
+
+        const sanitizedinput = input.toLowerCase(),
+            charcode = Utils.strToCharcode(sanitizedinput);
+
+        for (let i = 0; i < charcode.length; i++) {
+            const ordinal = charcode[i] - 96;
+
+            if (ordinal > 0 && ordinal <= 26) {
+                output += ordinal.toString(10) + delim;
+            }
+        }
+        return output.slice(0, -delim.length);
+    }
+
+}
+
+export default A1Z26CipherEncode;

src/core/operations/FromBase62.mjs

@@ -0,0 +1,58 @@
+/**
+ * @author tcode2k16 [tcode2k16@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import BigNumber from "bignumber.js";
+import Utils from "../Utils";
+
+
+/**
+ * From Base62 operation
+ */
+class FromBase62 extends Operation {
+
+    /**
+     * FromBase62 constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "From Base62";
+        this.module = "Default";
+        this.description = "Base62 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers. The high number base results in shorter strings than with the decimal or hexadecimal system.";
+        this.infoURL = "https://wikipedia.org/wiki/List_of_numeral_systems";
+        this.inputType = "string";
+        this.outputType = "byteArray";
+        this.args = [
+            {
+                name: "Alphabet",
+                type: "string",
+                value: "0-9A-Za-z"
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {byteArray}
+     */
+    run(input, args) {
+        if (input.length < 1) return [];
+        const ALPHABET = Utils.expandAlphRange(args[0]).join("");
+        const BN = BigNumber.clone({ ALPHABET });
+
+        const re = new RegExp("[^" + ALPHABET.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g");
+        input = input.replace(re, "");
+
+        const number = new BN(input, 62);
+
+        return Utils.convertToByteArray(number.toString(16), "Hex");
+    }
+
+}
+
+export default FromBase62;

src/core/operations/HMAC.mjs

@@ -72,7 +72,7 @@ class HMAC extends Operation {
             msg = Utils.arrayBufferToStr(input, false),
             hasher = CryptoApi.getHasher(hashFunc);
 
-        const mac = CryptoApi.getHmac(CryptoApi.encoder.fromUtf(key), hasher);
+        const mac = CryptoApi.getHmac(key, hasher);
         mac.update(msg);
         return CryptoApi.encoder.toHex(mac.finalize());
     }

src/core/operations/TextEncodingBruteForce.mjs

@@ -0,0 +1,92 @@
+/**
+ * @author Cynser
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+import cptable from "../vendor/js-codepage/cptable.js";
+import {IO_FORMAT} from "../lib/ChrEnc";
+
+/**
+ * Text Encoding Brute Force operation
+ */
+class TextEncodingBruteForce extends Operation {
+
+    /**
+     * TextEncodingBruteForce constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Text Encoding Brute Force";
+        this.module = "CharEnc";
+        this.description = [
+            "Enumerates all supported text encodings for the input, allowing you to quickly spot the correct one.",
+            "<br><br>",
+            "Supported charsets are:",
+            "<ul>",
+            Object.keys(IO_FORMAT).map(e => `<li>${e}</li>`).join("\n"),
+            "</ul>"
+        ].join("\n");
+        this.infoURL = "https://wikipedia.org/wiki/Character_encoding";
+        this.inputType = "string";
+        this.outputType = "json";
+        this.presentType = "html";
+        this.args = [
+            {
+                name: "Mode",
+                type: "option",
+                value: ["Encode", "Decode"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {json}
+     */
+    run(input, args) {
+        const output = {},
+            charsets = Object.keys(IO_FORMAT),
+            mode = args[0];
+
+        charsets.forEach(charset => {
+            try {
+                if (mode === "Decode") {
+                    output[charset] = cptable.utils.decode(IO_FORMAT[charset], input);
+                } else {
+                    output[charset] = Utils.arrayBufferToStr(cptable.utils.encode(IO_FORMAT[charset], input));
+                }
+            } catch (err) {
+                output[charset] = "Could not decode.";
+            }
+        });
+
+        return output;
+    }
+
+    /**
+     * Displays the encodings in an HTML table for web apps.
+     *
+     * @param {Object[]} encodings
+     * @returns {html}
+     */
+    present(encodings) {
+        let table = "<table class='table table-hover table-sm table-bordered table-nonfluid'><tr><th>Encoding</th><th>Value</th></tr>";
+
+        for (const enc in encodings) {
+            const value = Utils.printable(encodings[enc], true);
+            table += `<tr><td>${enc}</td><td>${value}</td></tr>`;
+        }
+
+        table += "<table>";
+        return table;
+    }
+
+}
+
+export default TextEncodingBruteForce;

src/core/operations/ToBase62.mjs

@@ -0,0 +1,58 @@
+/**
+ * @author tcode2k16 [tcode2k16@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import BigNumber from "bignumber.js";
+import Utils from "../Utils";
+import {toHexFast} from "../lib/Hex";
+
+/**
+ * To Base62 operation
+ */
+class ToBase62 extends Operation {
+
+    /**
+     * ToBase62 constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "To Base62";
+        this.module = "Default";
+        this.description = "Base62 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers. The high number base results in shorter strings than with the decimal or hexadecimal system.";
+        this.infoURL = "https://wikipedia.org/wiki/List_of_numeral_systems";
+        this.inputType = "byteArray";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Alphabet",
+                type: "string",
+                value: "0-9A-Za-z"
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        if (input.length < 1) return "";
+
+        const ALPHABET = Utils.expandAlphRange(args[0]).join("");
+        const BN = BigNumber.clone({ ALPHABET });
+
+        input = toHexFast(input).toUpperCase();
+
+        const number = new BN(input, 16);
+
+        return number.toString(62);
+    }
+
+}
+
+export default ToBase62;