Add setting for external link handling

Introduced an option for users to open external links in their default browser rather than within the app. Enabled by default, can be configured in menu.

#240

app/config/menu.js

@@ -454,6 +454,20 @@ const commonPreferencesSubmenu = [
     },
     checked: getValue("blockadsandtrackers") === "true",
   },
+  {
+    label: "Open External Links in Default Browser",
+    type: "checkbox",
+    click: () => {
+      setValue("externalLinks", getValue("externalLinks") === "true" ? "false" : "true");
+      dialog.showMessageBoxSync({
+        type: "info",
+        title: "External Links in Default Browser",
+        message: `External links will now open in ${getValue("externalLinks") === "true" ? "your default browser" : "MS-365-Electron"}`,
+        buttons: ["OK"],
+      });
+    },
+    checked: getValue("externalLinks") === "true",
+  },
   { type: "separator" },
   {
     label: "Windows User-Agent String",

app/config/store.js

@@ -33,6 +33,7 @@ getValueOrDefault("windowWidth", 0.71);
 getValueOrDefault("windowHeight", 0.74);
 getValueOrDefault("customWindowSize", false);
 getValueOrDefault("aptabaseTracking", null);
+getValueOrDefault("externalLinks", "true");
 
 if (getValue("enterprise-or-normal") === "https://microsoft365.com/?auth=1") {
   setValue("enterprise-or-normal", "?auth=1");

app/domains.json

@@ -0,0 +1,125 @@
+{
+  "domains": [
+    "*.1drv.ms",
+    "*.microsoft365.com",
+    "*.office365.com",
+    "*.live.com",
+    "*.office.com",
+    "*.microsoftonline.com",
+    "*.onenote.com",
+    "*.onedrive.com",
+    "*.outlook.com",
+    "*.microsoft.com",
+    "*.cloud.microsoft",
+    "*.skype.com",
+    "*.clipchamp.com",
+    "*.sharepoint.com",
+    "*.yammer.com",
+    "*.outlook.cloud.microsoft",
+    "*.outlook.office.com",
+    "*.outlook.office365.com",
+    "*.protection.outlook.com",
+    "*.mail.protection.outlook.com",
+    "*.mx.microsoft",
+    "*.sharepointonline.com",
+    "*.storage.live.com",
+    "*.search.production.apac.trafficmanager.net",
+    "*.search.production.emea.trafficmanager.net",
+    "*.search.production.us.trafficmanager.net",
+    "*.wns.windows.com",
+    "*.admin.onedrive.com",
+    "*.officeclient.microsoft.com",
+    "*.g.live.com",
+    "*.oneclient.sfx.ms",
+    "*.spoprod-a.akamaihd.net",
+    "*.svc.ms",
+    "*.teams.microsoft.com",
+    "*.lync.com",
+    "*.keydelivery.mediaservices.windows.net",
+    "*.streaming.mediaservices.windows.net",
+    "*.mlccdn.blob.core.windows.net",
+    "*.aka.ms",
+    "*.users.storage.live.com",
+    "*.adl.windows.com",
+    "*.secure.skypeassets.com",
+    "*.mlccdnprod.azureedge.net",
+    "*.skype.com",
+    "*.compass-ssl.microsoft.com",
+    "*.officeapps.live.com",
+    "*.online.office.com",
+    "*.office.live.com",
+    "*.office.net",
+    "*.onenote.com",
+    "*.cdn.onenote.net",
+    "*.ajax.aspnetcdn.com",
+    "*.apis.live.net",
+    "*.www.onedrive.com",
+    "*.auth.microsoft.com",
+    "*.msftidentity.com",
+    "*.msidentity.com",
+    "*.account.activedirectory.windowsazure.com",
+    "*.accounts.accesscontrol.windows.net",
+    "*.adminwebservice.microsoftonline.com",
+    "*.api.passwordreset.microsoftonline.com",
+    "*.autologon.microsoftazuread-sso.com",
+    "*.becws.microsoftonline.com",
+    "*.ccs.login.microsoftonline.com",
+    "*.clientconfig.microsoftonline-p.net",
+    "*.companymanager.microsoftonline.com",
+    "*.device.login.microsoftonline.com",
+    "*.graph.microsoft.com",
+    "*.graph.windows.net",
+    "*.login-us.microsoftonline.com",
+    "*.login.microsoft.com",
+    "*.login.microsoftonline-p.com",
+    "*.login.microsoftonline.com",
+    "*.login.windows.net",
+    "*.logincert.microsoftonline.com",
+    "*.loginex.microsoftonline.com",
+    "*.nexus.microsoftonline-p.com",
+    "*.passwordreset.microsoftonline.com",
+    "*.provisioningapi.microsoftonline.com",
+    "*.hip.live.com",
+    "*.microsoftonline-p.com",
+    "*.msauth.net",
+    "*.msauthimages.net",
+    "*.msecnd.net",
+    "*.msftauth.net",
+    "*.msftauthimages.net",
+    "*.phonefactor.net",
+    "*.enterpriseregistration.windows.net",
+    "*.policykeyservice.dc.ad.msft.net",
+    "*.sharepointonline.com",
+    "*.staffhub.ms",
+    "*.staffhubweb.azureedge.net",
+    "*.sway.com",
+    "*.www.sway.com",
+    "*.eus-www.sway-cdn.com",
+    "*.eus-www.sway-extensions.com",
+    "*.wus-www.sway-cdn.com",
+    "*.wus-www.sway-extensions.com",
+    "*.microsoftusercontent.com",
+    "*.azure-apim.net",
+    "*.flow.microsoft.com",
+    "*.powerapps.com",
+    "*.powerautomate.com",
+    "*.activity.windows.com",
+    "*.cortana.ai",
+    "*.admin.microsoft.com",
+    "*.cdn.odc.officeapps.live.com",
+    "*.cdn.uci.officeapps.live.com",
+    "*.cloud.microsoft",
+    "*.static.microsoft",
+    "*.usercontent.microsoft",
+    "*.compliance.microsoft.com",
+    "*.protection.office.com",
+    "*.security.microsoft.com",
+    "*.defender.microsoft.com",
+    "*.blob.core.windows.net",
+    "*.firstpartyapps.oaspapps.com",
+    "*.prod.firstpartyapps.oaspapps.com.akadns.net",
+    "*.telemetryservice.firstpartyapps.oaspapps.com",
+    "*.wus-firstpartyapps.oaspapps.com"
+  ],
+  "source": "https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide"
+}

app/main.js

@@ -1,15 +1,15 @@
-import { app, Menu, BrowserWindow, dialog, nativeImage, screen } from "electron";
+import { app, Menu, BrowserWindow, dialog, nativeImage, shell } from "electron";
 import { clearActivity, setActivity, loginToRPC } from "./config/rpc.js";
 import { initialize, trackEvent } from "@aptabase/electron/main";
 import { ElectronBlocker } from "@cliqz/adblocker-electron";
 import { setValue, getValue } from "./config/store.js";
+import { dirname, join } from "path";
 import { fileURLToPath } from "url";
-import { dirname } from "path";
-import { join } from "path";
 
 import { getScreenWidth, getScreenHeight } from "./config/dimensions.js";
 import Windows from "./useragents.json" with { type: "json" };
 import checkInternetConnected from "check-internet-connected";
+import domains from "./domains.json" with { type: "json" };
 import contextMenu from "electron-context-menu";
 import updaterpkg from "electron-updater";
 import ElectronDl from "electron-dl";
@@ -141,27 +141,64 @@ app.on("ready", () => {
 
 app.on("web-contents-created", (event, contents) => {
   contents.setWindowOpenHandler(({ url }) => {
-    if (getValue("websites-in-new-window") === "false") {
-      if (url.includes("page=Download")) {
-        return { action: "allow" };
+    const urlObject = new URL(url);
+    const domain = urlObject.hostname;
+    const protocol = urlObject.protocol;
+
+    if (getValue("externalLinks") === "true") {
+      if (protocol === "http:" || protocol === "https:") {
+        const isAllowedDomain = domains.domains.some((allowedDomain) =>
+          new RegExp(`^${allowedDomain.replace("*.", ".*")}$`).test(domain)
+        );
+
+        if (isAllowedDomain) {
+          if (getValue("websites-in-new-window") === "false") {
+            if (url.includes("page=Download")) return { action: "allow" };
+            BrowserWindow.getFocusedWindow().loadURL(url).catch();
+            if (getValue("discordrpcstatus") === "true") {
+              setActivity(`On "${BrowserWindow.getFocusedWindow().webContents.getTitle()}"`);
+            }
+            return { action: "deny" };
+          } else {
+            if (getValue("discordrpcstatus") === "true") {
+              setActivity(`On "${BrowserWindow.getFocusedWindow().webContents.getTitle()}"`);
+            }
+            return {
+              action: "allow",
+              overrideBrowserWindowOptions: {
+                width: Math.round(getScreenWidth() * (windowWidth - 0.07)),
+                height: Math.round(getScreenHeight() * (windowHeight - 0.07)),
+              },
+            };
+          }
+        } else {
+          shell.openExternal(url);
+          return { action: "deny" };
+        }
       } else {
+        shell.openExternal(url);
+        return { action: "deny" };
+      }
+    } else {
+      if (getValue("websites-in-new-window") === "false") {
+        if (url.includes("page=Download")) return { action: "allow" };
         BrowserWindow.getFocusedWindow().loadURL(url).catch();
         if (getValue("discordrpcstatus") === "true") {
           setActivity(`On "${BrowserWindow.getFocusedWindow().webContents.getTitle()}"`);
         }
         return { action: "deny" };
+      } else {
+        if (getValue("discordrpcstatus") === "true") {
+          setActivity(`On "${BrowserWindow.getFocusedWindow().webContents.getTitle()}"`);
+        }
+        return {
+          action: "allow",
+          overrideBrowserWindowOptions: {
+            width: Math.round(getScreenWidth() * (windowWidth - 0.07)),
+            height: Math.round(getScreenHeight() * (windowHeight - 0.07)),
+          },
+        };
       }
-    } else {
-      if (getValue("discordrpcstatus") === "true") {
-        setActivity(`On "${BrowserWindow.getFocusedWindow().webContents.getTitle()}"`);
-      }
-      return {
-        action: "allow",
-        overrideBrowserWindowOptions: {
-          width: Math.round(getScreenWidth() * (windowWidth - 0.07)),
-          height: Math.round(getScreenHeight() * (windowHeight - 0.07)),
-        },
-      };
     }
   });
   contents.on("did-finish-load", () => {