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Re: verifying uploaded files with ClamAV before upstream

August 29, 2011 02:56AM
If you where to create a web service (JSON?) for clamav checking then you
could use asyncronous lua requests to do the virus checking.

On Mon, Aug 29, 2011 at 4:45 PM, Calin Don <calin.don@gmail.com> wrote:

> Take note that while you are processing the content using embedded Perl or
> lua, the nginx worker which is processing is blocked, thus not serving
> anything. It migth be a better solution to check for viruses inside your
> webapp.
>
>
> On Mon, Aug 29, 2011 at 01:01, Jérémie Pierson <lists@ruby-forum.com>wrote:
>
>> Hi!
>>
>> I have a webapp that allows users to upload files. But before that
>> webapp sees the files, I need to check them for viruses (with ClamAV).
>> Requests are proxied by Nginx with a classic proxy_pass directive.
>>
>> I have tried tu use the embedded Perl module, without success.
>>
>> Specifically, I successfully got access to the body of the client
>> request (i.e. the uploaded file's content), but have problem with the
>> reply...
>>
>> If a virus is found, I want to reply with e.g. "403 Forbidden". But if
>> the file is clean, I want the webapp to get it via proxy_pass as
>> usual. I could only manage either always 403, or always pass to upstream
>> :-(
>>
>> Is it possible to do that with the Perl module? I would prefer that
>> solution as I don't have much time for the alternative :-)
>>
>> If not, could I write a handler module to do that? I read Evan Miller's
>> guide to Nginx modules, but I'm not sure how to pass control to another
>> handler in the "no-virus" case.
>>
>>
>>
>> --
>> Jérémie
>>
>> --
>> Posted via http://www.ruby-forum.com/.
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>> nginx mailing list
>> nginx@nginx.org
>> http://mailman.nginx.org/mailman/listinfo/nginx
>>
>
>
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Subject Author Posted

verifying uploaded files with ClamAV before upstream

Jérémie Pierson August 28, 2011 06:02PM

Re: verifying uploaded files with ClamAV before upstream

Calin Don August 29, 2011 02:46AM

Re: verifying uploaded files with ClamAV before upstream

splitice August 29, 2011 02:56AM

Re: verifying uploaded files with ClamAV before upstream

Jérémie Pierson August 29, 2011 08:40PM



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