Need to restore zeroed file

[Daira Hopwood]

On 09/07/15 20:00, Roland Haeder wrote:
> Hello all,
> 
> bad news: One of my files in my storage got zeroed and I don't have the
> old (working) URI or up-to-date backup (only from 2013).

This is unclear; do you mean that a file containing the URI got zeroed?

> I have currently written a brute-forcer which currently *should* test
> all possibilities. Sure this needs massive improvement.
> 
> So I need to know something:
> 
> 1) Is this URL pattern valid:
> 
> http://127.0.0.1:3456/file/URI%3ACHK%3A<key1>%3A<key2>%3A3%3A10%3A<num>/@@named=/<filename>
> 
> by:
> <key1> = 26 Byte long character consisting of a BASE32 checksum
> <key2> = 52 Byte long character consisting of a BASE32 checksum
> <num>  = Random number from 0 to 99999

<num> is actually the length of the file.

You won't be able to brute-force either <key1> or <key2>. Unless you have a copy of
the URI somewhere else, the file contents are lost.

-- 
Daira Hopwood ⚥

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