Open all Signal links in app

ts/test-node/util/sgnlHref_test.ts

@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Signal Messenger, LLC
+// Copyright 2020-2022 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { assert } from 'chai';
@@ -13,6 +13,7 @@ import {
   parseCaptchaHref,
   parseE164FromSignalDotMeHash,
   parseSignalHttpsLink,
+  rewriteSignalHrefsIfNecessary,
 } from '../../util/sgnlHref';
 
 function shouldNeverBeCalled() {
@@ -380,4 +381,62 @@ describe('sgnlHref', () => {
       );
     });
   });
+
+  describe('rewriteSignalHrefsIfNecessary', () => {
+    it('rewrites http://signal.group hrefs, making them use HTTPS', () => {
+      assert.strictEqual(
+        rewriteSignalHrefsIfNecessary('http://signal.group/#abc123'),
+        'https://signal.group/#abc123'
+      );
+    });
+
+    it('rewrites http://signal.art hrefs, making them use HTTPS', () => {
+      assert.strictEqual(
+        rewriteSignalHrefsIfNecessary(
+          'http://signal.art/addstickers/#pack_id=abc123'
+        ),
+        'https://signal.art/addstickers/#pack_id=abc123'
+      );
+    });
+
+    it('rewrites http://signal.me hrefs, making them use HTTPS', () => {
+      assert.strictEqual(
+        rewriteSignalHrefsIfNecessary('http://signal.me/#p/+18885551234'),
+        'https://signal.me/#p/+18885551234'
+      );
+    });
+
+    it('removes auth if present', () => {
+      assert.strictEqual(
+        rewriteSignalHrefsIfNecessary(
+          'http://user:pass@signal.group/ab?c=d#ef'
+        ),
+        'https://signal.group/ab?c=d#ef'
+      );
+      assert.strictEqual(
+        rewriteSignalHrefsIfNecessary(
+          'https://user:pass@signal.group/ab?c=d#ef'
+        ),
+        'https://signal.group/ab?c=d#ef'
+      );
+    });
+
+    it('does nothing to other hrefs', () => {
+      [
+        // Normal URLs
+        'http://example.com',
+        // Already HTTPS
+        'https://signal.art/addstickers/#pack_id=abc123',
+        // Different port
+        'http://signal.group:1234/abc?d=e#fg',
+        // Different subdomain
+        'http://subdomain.signal.group/#abcdef',
+        // Different protocol
+        'ftp://signal.group/#abc123',
+        'ftp://user:pass@signal.group/#abc123',
+      ].forEach(href => {
+        assert.strictEqual(rewriteSignalHrefsIfNecessary(href), href);
+      });
+    });
+  });
 });