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From Tommy Williams <to...@devgeeks.org>
Subject Re: [iOS 8] WKWebView moving forward
Date Wed, 29 Oct 2014 21:48:53 GMT
This whole thing reeks of sadness and pain.

The security implications of this will have to be considered very carefully.
On 29 Oct 2014 16:40, "Shazron" <shazron@apache.org> wrote:

> ## What We Know So Far
>
> 1. Because of the file:// url loading bug, we couldn't support the
> WKWebView in the iOS 8 GM release. It has since been fixed, for release
> post iOS 8.1 (not sure when), through a new WKWebView API function (
> http://trac.webkit.org/changeset/174029/trunk)
> 2. The alternative is embedding a local web server and serving assets from
> that
>
> ## Abandon file:// url Loading API Method
>
> My proposal is, we abandon the local file:// url loading method in (1)
> above, since it will create problems with support.
>
> For example, if we support the new local file url loading API function in
> iOS 8.2.0 (speculated) -- and a user is on 8.0.2, what then? You would not
> have WKWebView support for that user, and you would use UIWebView instead.
> This will just be confusing, and leads to problems.
>
> With the embedded local web server method, you can support **any** version
> of iOS 8.x.
>
> ## Embrace Embedded Local Web Server Method
>
> I have a Cordova plugin that implements this, and it should work with
> cordova-ios 3.7.0:
> https://github.com/shazron/CordovaLocalWebServer
>
> It dynamically updates the <access> tag value when it loads, overriding it
> to the actual location and port. Since it is a plugin, it can be swappable
> (for whatever reason).
>
> It does not solve the problem where any backgrounded app can access our
> local web server.
>
> ## Future Steps
>
> This plugin is already working in cordova-ios 3.7.0 (un-released, up next
> for vote release).
>
> The wkwebview branch:
>
> 1. Needs be rebased
> 2. Needs to be re-tested
> 3. issues in CB-7043 that relate to the wkwebview have to be resolved
> 4. branch presented for review to other committers
> 5. resolve any comments and issues from (4)
> 6. wkwebview branch integrated into master
>
> I will work on these items next after getting cordova-ios 3.7.0 out. Any
> help is welcome.
>
> ## Migration Issues
>
> If you are migrating to WKWebView from UIWebView, you will lose some
> functionality.
>
> 1. No more whitelist feature (NSURLProtocol is not supported in WKWebView)
> 2. Your XmlHttpRequest calls now need to be CORS compliant (this is still
> true if loaded through a file:// url)
> 3. HTML5 offline application cache is not available in WKWebView (
> https://devforums.apple.com/message/1060452)
>

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