Erik Poort 04028bf216 This ensures no illegal cookies are send to okhttp ...

Summary:
When a website in a ReactNative WebView sets a cookie with an illegal
character, this cookie will automatically be added to any request to the
same domain.

This happens through:
BridgeInterceptor.java (l.84)
ReactCookieJarContainer.java (l.44)
JavaNetCookieJar.java (l.59)
ForwardingCookieHandler.java (l.57)
ForwardingCookieHandler.java (l.168)
CookieManager.java (l.39)

The BridgeInterceptor.java then tries to set a Cookie header, which
validates both keys and values, and then crashes.
okhttp3.6.0 Headers.java (l.320)

This fix will strip illegal characters from any cookie that is being
passed to the okhttp request.

To demonstrate how to crash the app, you can find an example app here:
https://github.com/erikpoort/react-native-test-illegal-cookie

Or you can load the following url into a webview: https://invalidcookietest.us.dev.monkapps.com/
Press the 'Set cookie' button.
Then try to fetch the same url.

[ANDROID] [BREAKING] [ReactCookieJarContainer.java] - I'm filtering cookies containing illegal characters from any request.
Closes https://github.com/facebook/react-native/pull/18203

Differential Revision: D8164302

Pulled By: hramos

fbshipit-source-id: 6e58461df594eb2c7aad4c7ad70b76d12ac09b84

2018-05-25 11:15:59 -07:00

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facebook

This ensures no illegal cookies are send to okhttp

2018-05-25 11:15:59 -07:00