ios: Needs privacy manifest for WebRTC framework about react-native-webrtc

[saghul]

Thanks for getting the ball rolling @davidliu and for the pointer @8BallBomBom!

I'm going to start preparing a new build this week. I think we need 2 things here:

1. The WebRTC framework itself should have one, since we publish it on CocoaPods, and it's also consumed by Flutter for example.

2. What @8BallBomBom mentioned should work for RN apps, but in the interest of helping others we can document it too.

[saghul]

I pushed a build last week no problem, but that was using Xcode 14, maybe that's why I didn't even get a warning.

Thanks for looking into this.

I guess it's a good time to update WebRTC and make a new build then!

[davidliu]

So I tried adding the privacy manifest file, but I'm not actually sure if it's working. Generating a privacy report ends up with an empty pdf. At the very least, XCode detects that the privacy files exist, since when none are added, it refuses to generate a report. I'll need someone to test and make sure it's not just my XCode acting weird.

To test, there's two ways, adding to react-native-webrtc or the underlying WebRTC framework:

Adding to react-native-webrtc

1. Copy the privacy file into node_modules/react-native-webrtc/ios/
2. Add the following line to the podspec:

 s.resource_bundles = {"react-native-webrtc" => ["ios/PrivacyInfo.xcprivacy"]}

3. In your app's ios folder, pod install
4. Archive and generate privacy report.

Adding to the WebRTC framework

1. Copy the privacy file, go to node_modules/ios/Pods/JitsiWebRTC/WebRTC.xcframework, and paste in all the ios-platform/WebRTC.framework folders.
2. Archive and generate privacy report.

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@saghul looks like this just landed on the upstream repo: https://webrtc-review.googlesource.com/c/src/+/349440

[8BallBomBom]

Something related has been pushed out with React Native 0.74.1 over here.
Hopefully that gets back ported a little 😅