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[Config] PrefixingFileExistenceResource::__toString()
to avoid conflict withFileResource
#52502
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Merged
nicolas-grekas merged 1 commit intosymfony:5.4fromweaverryan:config-cache-clashing-resource-stringNov 9, 2023
Merged
[Config] PrefixingFileExistenceResource::__toString()
to avoid conflict withFileResource
#52502
nicolas-grekas merged 1 commit intosymfony:5.4fromweaverryan:config-cache-clashing-resource-stringNov 9, 2023
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FileExistenceResource::__toString()
to avoid conflict withFileResource
…ict with FileResource
a88aafd
to9e8db58
CompareGood catch, thanks@weaverryan. |
🚀 |
This was referencedNov 10, 2023
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Hi!
This bug causes a pretty critical AssetMapper 6.4 bug. The problem is that both
FileResource
andFileExistenceResource
return the same__toString()
for the same file:SelfCheckingResourceChecker uses a static cache where the
ResourceInterface::__toString()
is the key for that string. That creates the following bug situation:A) Something checks for
FileExistenceResource
forfoo/bar.php
. This returns true andSelfCheckingResourceChecker
now hastrue
for fresh in its static cacheB) Something else checks for
FileResource
forfoo/bar.php
: they are checking to see if the file has beenmodified. But in instead of calling the actualFileResource::isFresh()
method, it uses thetrue
value from the static cache.Cheers!