Thanks by the response Bill.

I investigated a bit more and found Tamper, a firefox extension to
view and modify HTTP/HTTPS headers and post parameters.

Then I discovered that this form that I need to deal with, use
multipart/form-data and I must deal also with boundaries
(http://www.w3.org/Protocols/rfc1341/7_2_Multipart.html). I'm reading
a bit more to fully understand this stuff and may be the WebClient is
usable as is or I can modify it to this sort of use. I will comment
when have more news.

Thanks again by the help.

Germán.



2010/6/1 Schwab,Wilhelm K <bschwab at anest.ufl.edu>:
> You can do a simple "man in the middle attack" on yourself.  One approach would be to set up your own web server, serve the page with the form to a "real" browser and see what it sends when you submit the form.  There is probably also a way to do it with a proxy of some sort, either off the shelf or one you write to log traffic both ways, and then you quickly get a picture of how the conversation works.  A network sniffer might be another option.
>
> I have had to do things like this with either network or serial port traffic at various times.  A few years back, an engineer with a medical device manufacturer was late delivering something that we happened to need at a time that was inconvenient for him.  The solution: blame the confusion on the customer (me), of course, and hope that he could later give us something that might make things "easier" on us (which would be a working version of their new software).  It got pretty ridiculous shortly before he had to admit that it didn't work.  The funny thing was that their demo program for the "new protocol" was using something that looked exactly like the old one :)  I was able to show that because I wrote a replacement for their device and connected their program to it: it was obviously not doing what he was claiming.
>
> Bill
>
> ________________________________________
> From: pharo-project-bounces at lists.gforge.inria.fr [pharo-project-bounces at lists.gforge.inria.fr] On Behalf Of Germán Arduino [garduino at gmail.com]
> Sent: Monday, May 31, 2010 1:39 PM
> To: Pharo-project at lists.gforge.inria.fr
> Cc: The general-purpose Squeak developers list
> Subject: Re: [Pharo-project] Using WebClient
>
> Talking of post method, I tried to capture it with Firebug to
> understand what data post with WebClient, but no way until now.
>
> Exist some trick to obtain the exact content of the data to post only
> debuggin the web page?
>
> Cheers.
>
>
> 2010/5/29 Germán Arduino <garduino at gmail.com>:
>> I think that is a post method in this case, but can't make it work (yet).
>>
>> 2010/5/29 Schwab,Wilhelm K <bschwab at anest.ufl.edu>:
>>> It's been a long time, but won't the button cause the browser to send a post or get (whichever action is specified in the form) to the server?  It might be enough to decide the content of that and send it over the socket.  I am probably thinking in CGI terms, which might not be what you need.
>>>
>>>
>>> ________________________________________
>>> From: pharo-project-bounces at lists.gforge.inria.fr [pharo-project-bounces at lists.gforge.inria.fr] On Behalf Of Stéphane Ducasse [stephane.ducasse at inria.fr]
>>> Sent: Saturday, May 29, 2010 4:14 PM
>>> To: Pharo-project at lists.gforge.inria.fr
>>> Subject: Re: [Pharo-project] Using WebClient
>>>
>>> if you get answers from squeak-dev let us know.
>>>
>>>
>>> Stef
>>>
>>>
>>> On May 29, 2010, at 10:02 PM, Germán Arduino wrote:
>>>
>>>> Hi:
>>>>
>>>> I'm trying to automate some operations on a web page that requires
>>>> authentication.
>>>>
>>>> I managed to arrive to the form that I need to process, authenticated
>>>> without problems.
>>>>
>>>> But I can't figure out how to process the button (is a button of this type:
>>>>
>>>> <input class="lButton" style="" name="submit_search"
>>>> value="Create File" type="submit"> )  to execute the Create File action.
>>>>
>>>> The form have two dates (that I can calculate and fill in) but I can't
>>>> to imagine how to process the submit button programmatically.
>>>>
>>>> Any hint will be appreciated.
>>>>
>>>> Cheers.
>>>>
>>>> --
>>>> =================================================
>>>> Germán S. Arduino  <gsa @ arsol.net>   Twitter: garduino
>>>> Arduino Software & Web Hosting   http://www.arduinosoftware.com
>>>> PasswordsPro  http://www.passwordspro.com
>>>> =================================================
>>>>
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>>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>>>
>>>
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>>
>>
>>
>> --
>> =================================================
>> Germán S. Arduino  <gsa @ arsol.net>   Twitter: garduino
>> Arduino Software & Web Hosting   http://www.arduinosoftware.com
>> PasswordsPro  http://www.passwordspro.com
>> =================================================
>>
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