External compressed ePubs not functioning on iPad (Safari, Chrome iOS)

[danielcrenna]

We have set up an example of loading externally-(Azure) and internally-(our server) sourced compressed EPUB files, which works as expected on desktop browsers, and even when the compressed content is served locally via Http Byte Serving on Safari for iPad.

However, remote compressed EPUBs do not function on Safari iOS or Chrome iOS, and internal compressed EPUBs do not function on Chrome iOS (they work on Safari iOS).

We know that CORS is set up properly because this setup works on every desktop browser we've tried. As always, uncompressed content works fine. Is there something specific about the EPubUnzipper or PackageParser implementations that cause this on iOS?

I am happy to share our reference implementation privately if you're interested.

[danielweck]

Issue moved here:

readium/readium-js#51