feat: support new method to validate url (#224)

src/domains.js

@@ -80,3 +80,17 @@ export function isPayPalTrustedDomain(): boolean {
     Boolean(getDomain().match(getVenmoDomainRegex()))
   );
 }
+
+export function isPayPalTrustedUrl(href: string): boolean {
+  try {
+    // eslint-disable-next-line compat/compat
+    const url = new URL(href);
+    const domain = url.origin;
+    return (
+      Boolean(domain.match(getPayPalDomainRegex())) ||
+      Boolean(domain.match(getVenmoDomainRegex()))
+    );
+  } catch (err) {
+    return false;
+  }
+}

src/domains.test.js

@@ -1,16 +1,33 @@
 /* @flow */
 import { ENV } from "@paypal/sdk-constants/src";
-import { describe, it, expect } from "vitest";
+import {
+  describe,
+  it,
+  expect,
+  beforeEach,
+  afterEach,
+  beforeAll,
+  afterAll,
+} from "vitest";
 
 import {
   getAuthAPIUrl,
   getOrderAPIUrl,
   getPayPalDomainRegex,
   getVenmoDomainRegex,
   isPayPalTrustedDomain,
+  isPayPalTrustedUrl,
 } from "./domains";
 
 describe(`domains test`, () => {
+  let env;
+  beforeEach(() => {
+    env = window.__ENV__;
+  });
+  afterEach(() => {
+    window.__ENV__ = env;
+  });
+
   it("should successfully match valid paypal domain", () => {
     const validDomains = [
       "master.qa.paypal.com",
@@ -104,3 +121,57 @@ describe(`domains test`, () => {
     expect(url.pathname).toEqual("/v2/checkout/orders");
   });
 });
+
+describe(`isPayPalTrustedUrl test`, () => {
+  let env;
+  beforeAll(() => {
+    env = window.__ENV__;
+    window.__ENV__ = "production";
+  });
+  afterAll(() => {
+    window.__ENV__ = env;
+  });
+
+  const validUrls = [
+    "https://master.qa.paypal.com/abc/abc",
+    "https://master.qa.paypal.com",
+    "https://test-env.qa.paypal.com:3000/abc",
+    "https://geo.qa.paypal.com/abc",
+    "https://www.paypal.com:3080/abc",
+    "https://www.paypal.cn/abc",
+    "https://www.paypal.cn:3000/abc",
+    "https://www.mschina.qa.paypal.cn/abc",
+    "https://www.paypal.com/abc",
+    "https://www.paypal.com",
+    "https://venmo.com/abc",
+    "http://www.venmo.com",
+    "http://www.venmo.com/abc",
+    "https://id.venmo.com",
+    "http://www.venmo.com:8000",
+    "https://account.qa.venmo.com",
+    "http://www.account.qa.venmo.com",
+    "https://account.qa.venmo.com",
+    "https://account.venmo.com",
+  ];
+
+  validUrls.forEach((url) => {
+    it(`isPayPalTrustedUrl(${url}) should be true`, () => {
+      const result = isPayPalTrustedUrl(url);
+      expect(result).toBe(true);
+    });
+  });
+
+  const unknownUrls = [
+    "https://www.paypal.com.example.com",
+    "https://www.paypal.cn.example.com",
+    "",
+    "---",
+  ];
+
+  unknownUrls.forEach((url) => {
+    it(`isPayPalTrustedUrl(${url}) should be false`, () => {
+      const result = isPayPalTrustedUrl(url);
+      expect(result).toBe(false);
+    });
+  });
+});