Merge branch 'features/messagepack' of https://github.com/artemisbot/CyberChef into artemisbot-features/messagepack

src/core/config/Categories.json

@@ -47,7 +47,9 @@
             "Change IP format",
             "Encode text",
             "Decode text",
-            "Swap endianness"
+            "Swap endianness",
+            "To MessagePack",
+            "From MessagePack"
         ]
     },
     {

src/core/operations/FromMessagePack.mjs

@@ -0,0 +1,46 @@
+/**
+ * @author Matt C [matt@artemisbot.uk]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import OperationError from "../errors/OperationError";
+import notepack from "notepack.io";
+
+/**
+ * From MessagePack operation
+ */
+class FromMessagePack extends Operation {
+
+    /**
+     * FromMessagePack constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "From MessagePack";
+        this.module = "Code";
+        this.description = "Converts MessagePack encoded data to JSON";
+        this.inputType = "ArrayBuffer";
+        this.outputType = "JSON";
+        this.args = [];
+    }
+
+    /**
+     * @param {ArrayBuffer} input
+     * @param {Object[]} args
+     * @returns {JSON}
+     */
+    run(input, args) {
+        try {
+            const buf = Buffer.from(new Uint8Array(input));
+            return notepack.decode(buf);
+        } catch (err) {
+            throw new OperationError(`Could not decode MessagePack to JSON: ${err}`);
+        }
+    }
+
+}
+
+export default FromMessagePack;

src/core/operations/ToMessagePack.mjs

@@ -0,0 +1,49 @@
+/**
+ * @author Matt C [matt@artemisbot.uk]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import OperationError from "../errors/OperationError.mjs";
+import notepack from "notepack.io";
+
+/**
+ * To MessagePack operation
+ */
+class ToMessagePack extends Operation {
+
+    /**
+     * ToMessagePack constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "To MessagePack";
+        this.module = "Code";
+        this.description = "Converts JSON to MessagePack encoded byte buffer";
+        this.inputType = "JSON";
+        this.outputType = "ArrayBuffer";
+        this.args = [];
+    }
+
+    /**
+     * @param {JSON} input
+     * @param {Object[]} args
+     * @returns {ArrayBuffer}
+     */
+    run(input, args) {
+        try {
+            if (ENVIRONMENT_IS_WORKER()) {
+                return notepack.encode(input);
+            } else {
+                return notepack.encode(input).buffer;
+            }
+        } catch (err) {
+            throw new OperationError(`Could not encode JSON to MessagePack: ${err}`);
+        }
+    }
+
+}
+
+export default ToMessagePack;