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https://issues.apache.org/jira/browse/WICKET-6590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Frömel updated WICKET-6590:
-------------------------------------
Environment: Linux/Ubuntu (18.04) 64 Bit, OpenJDK and OracleJDK (was:
Linux/Ubuntu (newest) 64 Bit, OpenJDK and OracleJDK)
> CryptoMapper/SunJceCrypt return NOT null for un-encrypted url
> -------------------------------------------------------------
>
> Key: WICKET-6590
> URL: https://issues.apache.org/jira/browse/WICKET-6590
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 1.5.17, 6.28.0, 7.10.0, 8.1.0
> Environment: Linux/Ubuntu (18.04) 64 Bit, OpenJDK and OracleJDK
> Reporter: Sebastian Frömel
> Priority: Major
>
> Issue:
> SunJceCrypt.decryptUrlSafe(*text*) return non-NULL value, despite the *text*
> being not an encrypted text . as if there was something to decrypt.
> This of course does not happend always, rather rarely, thus it took me some
> time to track the issue down and found a valid encryption key.
> The result is a "404" HTTP error at the end - which is not correct :)
>
> The core of the problem is the following:
> During the CryptoMapper.decryptEntireUrl() of the URL "portaladmin/SomePage"
> the first segment, "portaladmin" is being tried to decrypt using SunJceCrypt
> .decryptUrlSafe(). In 99% of the cases this fails due an exception and
> returns NULL. Which will be then interpreted as "URL was not encrypted".
> Everything "works".
> BUT there is a case when this method actually is able to decrypt something
> and returns "�EC�". Since this is not a valid URL, this will lead to a 404.
>
> Test code for a main-method:
>
>
> {code:java}
> String code =
> "1B72AEABA3DA7FAE9415664CDFD0153C.89d10d2e-2e19-47e7-9638-b09ff426d274";
> SunJceCrypt abstractCrypt = new SunJceCrypt();
> abstractCrypt.setKey(code);
> System.out.println("This should be null: " +
> abstractCrypt.decryptUrlSafe("PeterPan"));
> //this one is actually not null
> System.out.println("This should be also null: " +
> abstractCrypt.decryptUrlSafe("portaladmin"));{code}
>
>
> I am not sure yet, how to solve this issue, but it would be nice if the
> "system" would only try to decrypt URL which are actually encrypted? Like
> with a first-segment flag? Or is there any reason against it?
>
> Best,
> Sebastian
>
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