[Zope] Re: Upload file to server for encoding...

[Jonathan]

----- Original Message ----- 
From: "torugor1404" <torugor1404 at yahoo.com>
To: "Jonathan" <dev101 at magma.ca>
Sent: Thursday, October 05, 2006 10:33 AM
Subject: Re: Upload file to server for encoding...


> Thank you Jonathan,
>
> I was begining to get to the same conclusion after some days of
> google search. My problem is indeed to get the information from the
> client system.
>
> Now I must decide if it is better to make the user upload it
> everytime (user gets annoyed), just upload one time and save on the
> server the data (unsecure), or upload onetime and hold the file in
> the html by the use of either session or hidden inputs (site opens
> slowly).
>
> Anyone has another option I haven't explored to this problem?

If you want to encrypt/decrypt something specific to a user why don't you 
prompt the user to enter a key, and then use they supplied key to 
encrypt/decrypt.  This will function somewhat like a password - if the user 
doesn't supply the same key that was used to encrypt the data, the decrypt 
will not work.


Jonathan




> --- In zope at yahoogroups.com, "Jonathan" <dev101 at ...> wrote:
>>
>> Please keep your posts on the lists...
>>
>> ----- Original Message ----- 
>> From: "torugor1404" <torugor1404 at ...>
>> To: "Jonathan" <dev101 at ...>
>> Sent: Wednesday, October 04, 2006 11:54 PM
>> Subject: Re: Upload file to server for encoding...
>>
>>
>> > Hello Jonathan,
>> >
>> > I saw your reply to this message about uploading a file, and I
> thought
>> > you could help me.
>> > I have a database in my server where people from place
> information
>> > into. Some information is confidential and i would like to
> encrypt,
>> > leaving the key of encription inside the computer of the person
> who
>> > placed the information there.
>> >
>> > I was planning in leaving a file (.txt) in the outside computer
> and
>> > when he wants to place a information in my database, I would
> call a
>> > python script to encrypt it, using the key on the .txt file.
> After
>> > when he wants to read it again, i read the txt file and reverse
> the
>> > process.
>> >
>> > My problem with the way using a page-template is that i would
> have to
>> > ask the person to open upload the file everytime he wants to see
> that
>> > info....or hold the key in my server what is also not a good
> idea.
>> >
>> > Is there a way to read the file directly from a python script?
>>
>> If you want to read a file from the server filesystem then you
> will need an
>> External Method, but this is very easy to do (googling will get
> you lots of
>> help and you can also find help in the Zope Book).
>>
>> If the file is on the client system then you will have to ask the
> user to
>> upload the file each time.
>>
>>
>> Jonathan
>>
>>
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