Added 'AMF Encode' and 'AMF Decode' operations

Author: n1474335

package-lock.json

@@ -86,6 +86,7 @@
     "worker-loader": "^3.0.8"
   },
   "dependencies": {
+    "@astronautlabs/amf": "^0.0.6",
     "@babel/polyfill": "^7.12.1",
     "@blu3r4y/lzma": "^2.3.3",
     "arrive": "^2.4.1",
@@ -151,6 +152,7 @@
     "process": "^0.11.10",
     "protobufjs": "^6.11.3",
     "qr-image": "^3.2.0",
+    "reflect-metadata": "^0.1.13",
     "scryptsy": "^2.1.0",
     "snackbarjs": "^1.1.0",
     "sortablejs": "^1.15.0",

package.json

@@ -46,6 +46,8 @@
             "From Quoted Printable",
             "To Punycode",
             "From Punycode",
+            "AMF Encode",
+            "AMF Decode",
             "To Hex Content",
             "From Hex Content",
             "PEM to Hex",

src/core/config/Categories.json

@@ -0,0 +1,52 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2022
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import "reflect-metadata"; // Required as a shim for the amf library
+import { AMF0, AMF3 } from "@astronautlabs/amf";
+
+/**
+ * AMF Decode operation
+ */
+class AMFDecode extends Operation {
+
+    /**
+     * AMFDecode constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "AMF Decode";
+        this.module = "Encodings";
+        this.description = "Action Message Format (AMF) is a binary format used to serialize object graphs such as ActionScript objects and XML, or send messages between an Adobe Flash client and a remote service, usually a Flash Media Server or third party alternatives.";
+        this.infoURL = "https://wikipedia.org/wiki/Action_Message_Format";
+        this.inputType = "ArrayBuffer";
+        this.outputType = "JSON";
+        this.args = [
+            {
+                name: "Format",
+                type: "option",
+                value: ["AMF0", "AMF3"],
+                defaultIndex: 1
+            }
+        ];
+    }
+
+    /**
+     * @param {ArrayBuffer} input
+     * @param {Object[]} args
+     * @returns {JSON}
+     */
+    run(input, args) {
+        const [format] = args;
+        const handler = format === "AMF0" ? AMF0 : AMF3;
+        const encoded = new Uint8Array(input);
+        return handler.Value.deserialize(encoded);
+    }
+
+}
+
+export default AMFDecode;

src/core/operations/AMFDecode.mjs

@@ -0,0 +1,52 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2022
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import "reflect-metadata"; // Required as a shim for the amf library
+import { AMF0, AMF3 } from "@astronautlabs/amf";
+
+/**
+ * AMF Encode operation
+ */
+class AMFEncode extends Operation {
+
+    /**
+     * AMFEncode constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "AMF Encode";
+        this.module = "Encodings";
+        this.description = "Action Message Format (AMF) is a binary format used to serialize object graphs such as ActionScript objects and XML, or send messages between an Adobe Flash client and a remote service, usually a Flash Media Server or third party alternatives.";
+        this.infoURL = "https://wikipedia.org/wiki/Action_Message_Format";
+        this.inputType = "JSON";
+        this.outputType = "ArrayBuffer";
+        this.args = [
+            {
+                name: "Format",
+                type: "option",
+                value: ["AMF0", "AMF3"],
+                defaultIndex: 1
+            }
+        ];
+    }
+
+    /**
+     * @param {JSON} input
+     * @param {Object[]} args
+     * @returns {ArrayBuffer}
+     */
+    run(input, args) {
+        const [format] = args;
+        const handler = format === "AMF0" ? AMF0 : AMF3;
+        const output = handler.Value.any(input).serialize();
+        return output.buffer;
+    }
+
+}
+
+export default AMFEncode;