On 08/18/2010 04:43 PM, Anca Luca wrote:
  Hi Caleb,
 On 08/17/2010 09:15 PM, Caleb James DeLisle wrote:
  I am going to commit this change and want to
continue to discuss possible side effects.
 I think this change will solve the bug causing database corruption when list property is
switched to relational storage
 (I can't find this in jira anyone know the number? Sergiu?)
 I will be adding more tests and am ready to revert it at the first sign of trouble.
 I haven't had time to look at the issue to be able to cast a vote
 knowing what I am saying but
 i don't agree with this approach. please don't. 
One thing that will break is HQL queries hardcoded on StringProperty.
  Thanks,
 Anca
>
>
> Caleb
>
>
> Caleb James DeLisle wrote:
>> I have what I think is a better solution.
>> I have found that I can replace the StringProperty objects with
LargeStringProperty in
>> XWikiHibernateStore and they will save and load ok.
>> I have a patch 
http://jira.xwiki.org/jira/browse/XWIKI-5415 and would be
interested to
>> hear what others have to say. In the mean time I will work on adding automated
tests
>> to prove that load save and search continue to work.
>>
>> Caleb
>>
>> Thomas Mortagne wrote:
>>> +0
>>>
>>> Le 2010 8 10 19:34, "Caleb James
DeLisle"<calebdelisle(a)lavabit.com>   a
>>> écrit :
>>>> Because protectPassword generates a base-64 encoded java serialized form,
>>> the size is quite a bit larger than
>>>> the 255 character limit of StringProperty and thus PasswordProperty.
>>>>
>>>> The use of java serialization is central to the upgradability of the
>>> password verification function because
>>>> any new class which implements PasswordVerificationFunction automatically
>>> works.
>>>> Given this, I want to migrate the database to move password hashes into
>>> the xwikilargestrings table and change
>>>> PasswordProperty to extend LargeStringProperty. During this migration,
any
>>> passwords still stored in plaintext
>>>> will be ported to the scrypt function, passwords stored as a hash will
>>> have an exclamation mark pretended to the
>>>> text (this is invalid base64) and be inserted into the table as is.
>>>>
>>>> PasswordClass will keep the sha-512 hash function for legacy passwords
but
>>> will port passwords to the new format
>>>> as users log in.
>>>>
>>>> These changes will allow us to close
>>>> 
http://jira.xwiki.org/jira/browse/XWIKI-70
>>>> and
>>>> 
http://jira.xwiki.org/jira/browse/XWIKI-582
>>>>
>>>>
>>>> WDYT?
>>>>
>>>>
>>>> Caleb 
--
Sergiu Dumitriu
http://purl.org/net/sergiu/