Is there a way to upload files?

Geoff Canyon Rev gcanyon+rev at gmail.com
Sat May 15 13:56:47 EDT 2010


I wasn't implying that this would happen behind the user's back. I'm
trying to interface to Jira. I can create a bug tracking ticket for
the user based on input they've provided, but I don't know how
attachments work.

I can send info using post, but are you saying I would sent the file
contents themselves as a post argument? That's where I'm unclear.

thanks,

gc

On Sat, May 15, 2010 at 10:45 AM, Jim Ault <jimaultwins at yahoo.com> wrote:
> On May 15, 2010, at 8:08 AM, Geoff Canyon Rev wrote:
>
>> It's easy enough to look at a web form and convert it to a set of
>> arguments to use in rev, like so:
>>
>>
>> http://www.someserver.com/someAction.jspa?type=12&summary=this+is+a+test&user=geoff.canyon&password=test
>>
>> But what if the form includes file upload? Is there a way to take a local
>> file and include it in a url to upload it to a web server?
>
> Technically it is a major security breach to have a file upload occur
> without a use interaction, such as clicking a 'submit' button.
> Otherwise a scoundrel could begin uploading from anywhere on the user's hard
> drive in a steady sequence.
>
> Assuming you are doing the form correctly with user interaction, you would
> use the POST command in Rev to send one or more variables and their values
> to a URL.
>
> The basic idea is that you build header lines to control how the server
> script will operate on your data, then append variable=value pairs to the
> single variable.
>
> in the Rev script, when all the strings have been concatenated, the text is
> sent to the URL of the server script.
> The URL triggers a script that has been programmed to read and work with
> those variables (usually with error checking).
>
> The file upload is usually stored in a temporary directory on the web server
> with a random temporary name created by the web server, then renamed
> according to the name sent by the POST command.
>
> Look in the dictionary for specific examples of code that builds the header
> lines the appends the data pairs.
>
> The GET command does the same thing, except it has a limit of about 1000
> characters.
> A server script that is well-written will check for GET variables and POST
> variables to detect which format has been set.
>
> Both methods will create an array such as
>
>>
>> http://www.someserver.com/someAction.jspa?type=12&summary=this+is+a+test&user=geoff.canyon&password=test
>
>  ( using PHP syntax for the array )
> $_GET['type']         {which holds '12'}
> $_GET['summary']  {which holds 'this+is+a+test'}
> $_GET['user']         {which holds 'geoff.canyon'}
> $_GET['password']  {which holds 'test'}
>
> sending the variables as a block to the URL
> http://www.someserver.com/someAction.jspa
> $_POST['type']         {which holds '12'}
> $_POST['summary']  {which holds 'this+is+a+test'}
> $_POST['user']         {which holds 'geoff.canyon'}
> $_POST['password']  {which holds 'test'}
>
> Obviously, if you accidentally used the same variable name twice, there
> would be data loss, just as with Rev associative arrays.
>
> Hope this helps you get the idea.
>
>
> Jim Ault
> Las Vegas
>
>
>
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