Custom NSURLProtocol cannot handle requests from WKWebView

Originator:kbongort
Number:rdar://17240707 Date Originated:09-Jun-2014
Status:Open Resolved:
Product:iOS SDK Product Version:8.0
Classification: Reproducible:Always
 
Summary:
It was possible to install a custom NSURLProtocol to handle requests from UIWebView. This is no longer possible with WKWebView.

Steps to Reproduce:
1. Create and register a custom NSURLProtocol subclass that handles all requests.
2. Create a WKWebView and load a request.

Expected Results:
The custom NSURLProtocol subclass should receive a +canInitWithRequest: message, and then an instance should be created and initialized with -initWithRequest:cachedResponse:client:.

Actual Results:
The NSURLProtocol subclass *does* receive the +canInitWithRequest: message, but is never instantiated.

Version:
8.0

Configuration:
Any iOS device or Simulator

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