initial commit

node_modules/helmet/dist/middlewares/referrer-policy/index.d.ts

@@ -0,0 +1,6 @@
+import { IncomingMessage, ServerResponse } from "http";
+export interface ReferrerPolicyOptions {
+    policy?: string | string[];
+}
+declare function referrerPolicy(options?: Readonly<ReferrerPolicyOptions>): (_req: IncomingMessage, res: ServerResponse, next: () => void) => void;
+export default referrerPolicy;

node_modules/helmet/dist/middlewares/referrer-policy/index.js

@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const ALLOWED_TOKENS = new Set([
+    "no-referrer",
+    "no-referrer-when-downgrade",
+    "same-origin",
+    "origin",
+    "strict-origin",
+    "origin-when-cross-origin",
+    "strict-origin-when-cross-origin",
+    "unsafe-url",
+    "",
+]);
+function getHeaderValueFromOptions({ policy = ["no-referrer"], }) {
+    const tokens = typeof policy === "string" ? [policy] : policy;
+    if (tokens.length === 0) {
+        throw new Error("Referrer-Policy received no policy tokens");
+    }
+    const tokensSeen = new Set();
+    tokens.forEach((token) => {
+        if (!ALLOWED_TOKENS.has(token)) {
+            throw new Error(`Referrer-Policy received an unexpected policy token ${JSON.stringify(token)}`);
+        }
+        else if (tokensSeen.has(token)) {
+            throw new Error(`Referrer-Policy received a duplicate policy token ${JSON.stringify(token)}`);
+        }
+        tokensSeen.add(token);
+    });
+    return tokens.join(",");
+}
+function referrerPolicy(options = {}) {
+    const headerValue = getHeaderValueFromOptions(options);
+    return function referrerPolicyMiddleware(_req, res, next) {
+        res.setHeader("Referrer-Policy", headerValue);
+        next();
+    };
+}
+module.exports = referrerPolicy;
+exports.default = referrerPolicy;