[Webkit-unassigned] [Bug 29082] html5 offline caches too much?

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29082


Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|                            |INVALID
             Status|UNCONFIRMED                 |RESOLVED




--- Comment #1 from Alexey Proskuryakov <ap at webkit.org>  2009-09-09 11:32:00 PDT ---
> ** has "no-cache" and "expires" headers set in php

HTTP caching rules, such as Cache-Control directives are always ignored for the
purposes of offline application cache (the specification says so).

> ** prohibits offline.php from being cached ("online whitelist", using
> "NETWORK:")

Actually, the meaning of online whitelist is a bit different. These are
resources that are allowed to be fetched from network - by default, all network
loads are blocked for all uncached resources. It does not prohibit caching if
it's otherwise requested.

Now, the main resource and the manifest are always implicitly added to the
cache - otherwise, it would not be possible to use the Web application when
offline. This is also mandated by the spec, and it matches what other browsers
do.

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