Unable to configure InfoPlist and AndroidManifest using plugins

gdisacco · July 19, 2022, 6:27pm

Hi, I want to modify both InfoPlist and AndroidManifest without ejecting from Expo.
I am trying with Config Plugins - Expo Documentation but so far unable.

In particular I want to set cleartextTrafficPermitted to false on the manifest.
And NSAllowsArbitraryLoads false for InfoPlist, and remove localhost from NSExceptionAllowsInsecureHTTPLoads.

We want to improve some pentests results.
Thanks so much. Appreciate any guidance.

gdisacco · July 20, 2022, 1:09pm

I was able to setup ios.infoPlist.NSAppTransportSecurity.NSAllowsArbitraryLoads to false in the app.json itself. Still struggling with Android manifest changes.

wodin · July 20, 2022, 1:44pm

Hi @gdisacco

The following might point you in the right direction:

github.com

wodin/rn-hce-test/blob/a89dcdbc6c642a839bce3ad6a58120627b668d5b/plugins/withAndroidApplicationAttributes.js

const { withAndroidManifest } = require("@expo/config-plugins");

function addAttributesToApplication(androidManifest, attributes) {
  const { manifest } = androidManifest;

  if (!Array.isArray(manifest["application"])) {
    console.warn(
      "withAndroidApplicationAttributes: No manifest.application array?"
    );
    return androidManifest;
  }

  const application = manifest["application"].find(
    (item) => item.$["android:name"] === ".MainApplication"
  );
  if (!application) {
    console.warn("withAndroidApplicationAttributes: No .MainApplication?");
    return androidManifest;
  }

This file has been truncated. show original

and app.json:

github.com

wodin/rn-hce-test/blob/a89dcdbc6c642a839bce3ad6a58120627b668d5b/app.json#L50-L55


      
          [
            "./plugins/withAndroidApplicationAttributes",
            {
              "android:usesCleartextTraffic": false
            }
          ]

Although the above might not be exactly what you want.

For other examples, check the expo/expo-cli, expo/expo and expo/config-plugins Git repositories for references to withAndroidManifest.

gdisacco · July 22, 2022, 12:47am

Thanks so so much! That was my solution.

system · August 11, 2022, 12:48am

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Unable to configure InfoPlist and AndroidManifest using plugins

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