ESM: Ported PublicKey operations

src/core/operations/HexToPEM.mjs

@@ -0,0 +1,46 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import r from "jsrsasign";
+import Operation from "../Operation";
+
+/**
+ * Hex to PEM operation
+ */
+class HexToPEM extends Operation {
+
+    /**
+     * HexToPEM constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Hex to PEM";
+        this.module = "PublicKey";
+        this.description = "Converts a hexadecimal DER (Distinguished Encoding Rules) string into PEM (Privacy Enhanced Mail) format.";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Header string",
+                "type": "string",
+                "value": "CERTIFICATE"
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        return r.KJUR.asn1.ASN1Util.getPEMStringFromHex(input.replace(/\s/g, ""), args[0]);
+    }
+
+}
+
+export default HexToPEM;