[TYPO3-core] Getting an overview

[Michael Stucki]

There is still one remaining problem:

In case of a cached plugin (eg. a shop, or a forum) which contains
non-cached parts, extension developers usually call $TSFE->set_no_cache()
to work prevent caching of this page.

This will cause $TSFE->no_cache to be true while the plugin still indicates
that it uses cHashes ($this->pi_checkCHash = TRUE).

So actually the plugin is misconfigured, but luckily we can easily work
around that and prevent other extensions from having the same problem: Just
check if $TSFE->no_cache is set and do not check the cHash in this case.

Attached is a patch that should fix the problem.

Thanks a lot Oliver for investigating this problem of Franz' extension...

I would especially like to know from Franz if this fixes all problems in
tt_products. Any other extension that makes trouble so far?

- michael

Michael Stucki wrote:

> Hi Oliver,
> 
>> >    * Request parameters could not be validated
>> >      http://bugs.typo3.org/view.php?id=4940
>>
>> I picked this one and added a small patch for it (see in bugtracker).
>> "pageNotFoundOnCHashError" was set to true by default between beta3 and
>> RC1. So if an extension (perhaps an old one) doesn't use the cHash (eg
>> "typolink.useCHash=1") the error page will be shown. So my solution is
>> to let "pageNotFoundOnCHashError" as it is and to define a new config
>> variable "pageNotFoundOnCHashEmpty", which is set to false by default.
>> If the admin wants the error page if cHash is empty he could enable this
>> in his local TYPO3 installation. What do you think?
>> Additionally I could also add a RFC on that and post it to a new thread.
> 
> No, I think you shouldn't do that. It doesn't make much sense to allow
> empty cHashes if they should be checked. See my detailed explanation
> inside the bugtracker...
> 
> - michael

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