EXPERIMENT: DPI prevention

main.js

@@ -4,6 +4,8 @@ const path = require('path')
 const fetch = require("cross-fetch")
 const { ElectronChromeExtensions } = require('electron-chrome-extensions')
 const { ElectronBlocker } = require('@cliqz/adblocker-electron');
+const http = require('http');
+const { createProxy } = require('proxy');
 
 ipcMain.on('windowmaker', (event, arg) => {
   createWindow();
@@ -110,6 +112,15 @@ const regexPatterns = [
     return false;
   }
 
+  // set/create local proxy
+  const proxy = createProxy(http.createServer());
+  proxy.listen(3129)
+
+  session.defaultSession.setProxy({
+    proxyRules: 'http=localhost:3129;https=localhost:3129',
+    proxyBypassRules: '<local>'
+  })
+
   session.defaultSession.webRequest.onBeforeRequest((details, callback) => {
     if (containsAD(details.url)) {
       return callback({cancel: true})
@@ -146,3 +157,14 @@ app.on('window-all-closed', function () {
 
 // In this file you can include the rest of your app's specific main process
 // code. You can also put them in separate files and require them here.
+
+// Set DNS
+app.on('ready', () => {
+  app.configureHostResolver({
+    mode: 'secure',
+    dohServers: [
+      'https://dns9.quad9.net/dns-query',
+      'https://cloudflare-dns.com/dns-query'
+    ]
+  });
+});

package-lock.json

@@ -13,7 +13,8 @@
         "cross-fetch": "^3.1.5",
         "electron-chrome-extensions": "^3.10.0",
         "electron-squirrel-startup": "^1.0.1",
-        "electron-tabs": "^1.0.1"
+        "electron-tabs": "^1.0.1",
+        "proxy": "^2.2.0"
       },
       "devDependencies": {
         "@electron-forge/cli": "^6.0.5",
@@ -1606,6 +1607,92 @@
       "dev": true,
       "license": "Python-2.0"
     },
+    "node_modules/args": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/args/-/args-5.0.3.tgz",
+      "integrity": "sha512-h6k/zfFgusnv3i5TU08KQkVKuCPBtL/PWQbWkHUxvJrZ2nAyeaUupneemcrgn1xmqxPQsPIzwkUhOpoqPDRZuA==",
+      "license": "MIT",
+      "dependencies": {
+        "camelcase": "5.0.0",
+        "chalk": "2.4.2",
+        "leven": "2.1.0",
+        "mri": "1.1.4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/args/node_modules/ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "license": "MIT",
+      "dependencies": {
+        "color-convert": "^1.9.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/args/node_modules/chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/args/node_modules/color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "license": "MIT",
+      "dependencies": {
+        "color-name": "1.1.3"
+      }
+    },
+    "node_modules/args/node_modules/color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw==",
+      "license": "MIT"
+    },
+    "node_modules/args/node_modules/escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/args/node_modules/has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/args/node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/asar": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/asar/-/asar-3.2.0.tgz",
@@ -1761,6 +1848,11 @@
       ],
       "license": "MIT"
     },
+    "node_modules/basic-auth-parser": {
+      "version": "0.0.2-1",
+      "resolved": "https://registry.npmjs.org/basic-auth-parser/-/basic-auth-parser-0.0.2-1.tgz",
+      "integrity": "sha512-GFj8iVxo9onSU6BnnQvVwqvxh60UcSHJEDnIk3z4B6iOjsKSmqe+ibW0Rsz7YO7IE1HG3D3tqCNIidP46SZVdQ=="
+    },
     "node_modules/bl": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
@@ -2001,6 +2093,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/camelcase": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.0.0.tgz",
+      "integrity": "sha512-faqwZqnWxbxn+F1d399ygeamQNy3lPp/H9H6rNrqYh4FSVCtcY+3cub1MxA8o9mDd55mM8Aghuu/kuyYA6VTsA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -4738,6 +4839,15 @@
         "safe-buffer": "~5.1.0"
       }
     },
+    "node_modules/leven": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/leven/-/leven-2.1.0.tgz",
+      "integrity": "sha512-nvVPLpIHUxCUoRLrFqTgSxXJ614d8AgQoWl7zPe/2VadE8+1dpU3LBhowRuBAcuwruWtOdD8oYC9jDNJjXDPyA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/listr2": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/listr2/-/listr2-5.0.8.tgz",
@@ -5234,6 +5344,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/mri": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.1.4.tgz",
+      "integrity": "sha512-6y7IjGPm8AzlvoUrwAaw1tLnUBudaS3752vcd8JtrpGGQn+rXIe63LFVHm/YMwtqAuh+LJPCFdlLYPWM1nYn6w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -5906,6 +6025,23 @@
         "node": ">=10"
       }
     },
+    "node_modules/proxy": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/proxy/-/proxy-2.2.0.tgz",
+      "integrity": "sha512-nYclNIWj9UpXbVJ3W5EXIYiGR88AKZoGt90kyh3zoOBY5QW+7bbtPvMFgKGD4VJmpS3UXQXtlGXSg3lRNLOFLg==",
+      "license": "MIT",
+      "dependencies": {
+        "args": "^5.0.3",
+        "basic-auth-parser": "0.0.2-1",
+        "debug": "^4.3.4"
+      },
+      "bin": {
+        "proxy": "dist/bin/proxy.js"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
     "node_modules/pump": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",

package.json

@@ -34,6 +34,7 @@
     "cross-fetch": "^3.1.5",
     "electron-chrome-extensions": "^3.10.0",
     "electron-squirrel-startup": "^1.0.1",
-    "electron-tabs": "^1.0.1"
+    "electron-tabs": "^1.0.1",
+    "proxy": "^2.2.0"
   }
 }