ESM: Ported Punycode, HTTP and PRNG operations

src/core/operations/StripHTTPHeaders.mjs

@@ -0,0 +1,42 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+
+/**
+ * Strip HTTP headers operation
+ */
+class StripHTTPHeaders extends Operation {
+
+    /**
+     * StripHTTPHeaders constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Strip HTTP headers";
+        this.module = "Default";
+        this.description = "Removes HTTP headers from a request or response by looking for the first instance of a double newline.";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        let headerEnd = input.indexOf("\r\n\r\n");
+        headerEnd = (headerEnd < 0) ? input.indexOf("\n\n") + 2 : headerEnd + 4;
+
+        return (headerEnd < 2) ? input : input.slice(headerEnd, input.length);
+    }
+
+}
+
+export default StripHTTPHeaders;