Add link to terms and privacy policy in about window

_locales/en/messages.json

@@ -1,4 +1,8 @@
 {
+    "privacyPolicy": {
+      "message": "Terms & Privacy Policy",
+      "description": "Shown in the about box for the link to https://signal.org/legal"
+    },
     "mainMenuFile": {
       "message": "&File",
       "description": "The label that is used for the File menu in the program main menu. The '&' indicates that the following letter will be used as the keyboard 'shortcut letter' for accessing the menu with the Alt-<letter> combination."

about.html

@@ -11,8 +11,7 @@ body {
 }
 
 img {
-  margin-top: 2em;
-  margin-bottom: 1em;
+  margin-top: 1em;
 }
 
 a {
@@ -47,6 +46,10 @@ a {
 <div>
   <a href="https://signal.org">signal.org</a>
 </div>
+<br>
+<div>
+  <a class="privacy" href="https://signal.org/legal">Terms &amp; Privacy Policy</a>
+</div>
 
 <script type='text/javascript' src='node_modules/jquery/dist/jquery.js'></script>
 <script>
@@ -55,6 +58,8 @@ $(document).on('keyup', function(e) {
     window.closeAbout();
   }
 });
+
+$('.privacy').text(window.i18n('privacyPolicy'));
 </script>
 
 

about_preload.js

@@ -0,0 +1,15 @@
+const { ipcRenderer } = require('electron');
+const url = require('url');
+const i18n = require('./js/modules/i18n');
+
+const config = url.parse(window.location.toString(), true).query;
+const { locale } = config;
+const localeMessages = ipcRenderer.sendSync('locale-data');
+
+window.getEnvironment = () => config.environment;
+window.getVersion = () => config.version;
+window.getAppInstance = () => config.appInstance;
+
+window.closeAbout = () => ipc.send('close-about');
+
+window.i18n = i18n.setup(locale, localeMessages);

main.js

@@ -419,7 +419,8 @@ function showAbout() {
     webPreferences: {
       nodeIntegration: false,
       nodeIntegrationInWorker: false,
-      preload: path.join(__dirname, 'preload.js'),
+      preload: path.join(__dirname, 'about_preload.js'),
+      // sandbox: true,
       nativeWindowOpen: true,
     },
     parent: mainWindow,