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Simulating a Form Method=Post submission in PHP

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  Simulating a  Form Method=Post submission in PHP Robert Rosenberg <hal9001@panix.com> - 2012-06-16 14:25 -0400
    Re: Simulating a  Form Method=Post submission in PHP Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-16 14:45 -0400
    Re: Simulating a  Form Method=Post submission in PHP Luuk <luuk@invalid.lan> - 2012-06-16 20:46 +0200
      Re: Simulating a  Form Method=Post submission in PHP Robert Rosenberg <hal9001@panix.com> - 2012-06-16 20:10 -0400
        Re: Simulating a  Form Method=Post submission in PHP Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-16 20:41 -0400
          Re: Simulating a  Form Method=Post submission in PHP Luuk <luuk@invalid.lan> - 2012-06-17 20:14 +0200
        Re: Simulating a  Form Method=Post submission in PHP "J.O. Aho" <user@example.net> - 2012-06-17 14:19 +0200
        Re: Simulating a  Form Method=Post submission in PHP Denis McMahon <denismfmcmahon@gmail.com> - 2012-07-03 12:11 +0000
    Re: Simulating a  Form Method=Post submission in PHP Arno Welzel <usenet@arnowelzel.de> - 2012-06-18 09:54 +0200

#6345 — Simulating a Form Method=Post submission in PHP

I would like to go to an external site and send a form to it via Post
(simulating having generated the form and having the user submit it). I know
that if I had been using GET, I could just code the parms along with the URL
in the location command. To simulate Post I assume that I just need to use
header to send the POST parms but I do not know the format of what to place
in the header request (and I assume that I then use location to fire off to
connection).

Can someone either supply me with a sample code to do this or give me the
URL of the documentation of the Headers that get sent by Post so I can look
them up and create the needed script myself.

Thank You.

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#6347

On 6/16/2012 2:25 PM, Robert Rosenberg wrote:
> I would like to go to an external site and send a form to it via Post
> (simulating having generated the form and having the user submit it). I know
> that if I had been using GET, I could just code the parms along with the URL
> in the location command. To simulate Post I assume that I just need to use
> header to send the POST parms but I do not know the format of what to place
> in the header request (and I assume that I then use location to fire off to
> connection).
>
> Can someone either supply me with a sample code to do this or give me the
> URL of the documentation of the Headers that get sent by Post so I can look
> them up and create the needed script myself.
>
> Thank You.
>

Look up the cURL functions.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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#6348

On 16-06-2012 20:25, Robert Rosenberg wrote:
> I would like to go to an external site and send a form to it via Post
> (simulating having generated the form and having the user submit it). I know
> that if I had been using GET, I could just code the parms along with the URL
> in the location command. To simulate Post I assume that I just need to use
> header to send the POST parms but I do not know the format of what to place
> in the header request (and I assume that I then use location to fire off to
> connection).
> 
> Can someone either supply me with a sample code to do this or give me the
> URL of the documentation of the Headers that get sent by Post so I can look
> them up and create the needed script myself.
> 
> Thank You.
> 


use curl  (example #2)
see: http://www.php.net/manual/en/function.curl-setopt.php

or file_get_contents
see: http://www.php.net/manual/en/function.file-get-contents.php#108309

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#6350

On 06/16/2012 14:46, in article 6s0va9-ugd.ln1@luuk.invalid.lan, "Luuk"
<luuk@invalid.lan> wrote:

> On 16-06-2012 20:25, Robert Rosenberg wrote:
>> I would like to go to an external site and send a form to it via Post
>> (simulating having generated the form and having the user submit it). I know
>> that if I had been using GET, I could just code the parms along with the URL
>> in the location command. To simulate Post I assume that I just need to use
>> header to send the POST parms but I do not know the format of what to place
>> in the header request (and I assume that I then use location to fire off to
>> connection).
>> 
>> Can someone either supply me with a sample code to do this or give me the
>> URL of the documentation of the Headers that get sent by Post so I can look
>> them up and create the needed script myself.
>> 
>> Thank You.
>> 
> 
> 
> use curl  (example #2)
> see: http://www.php.net/manual/en/function.curl-setopt.php
> 
> or file_get_contents
> see: http://www.php.net/manual/en/function.file-get-contents.php#108309
> 

Thank You. 

Example 2 was EXACTLY what I needed (even though all I wanted to do was pass
a set of parms not load a file).

One other query. I seem to remember a site whose function was to display all
the headers being passed. I think it was a security type page whose purposed
was to show all the data being leaked/sent in the headers when you connect.
I would like to see what I ended up sending (as well as all the headers
being sent) so I have a reference to see what the cURL function caused the
browser to send. Cam you refresh my memory by supplying a URL for that site.

Thank You.

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#6351

On 6/16/2012 8:10 PM, Robert Rosenberg wrote:
> On 06/16/2012 14:46, in article 6s0va9-ugd.ln1@luuk.invalid.lan, "Luuk"
> <luuk@invalid.lan>  wrote:
>
>> On 16-06-2012 20:25, Robert Rosenberg wrote:
>>> I would like to go to an external site and send a form to it via Post
>>> (simulating having generated the form and having the user submit it). I know
>>> that if I had been using GET, I could just code the parms along with the URL
>>> in the location command. To simulate Post I assume that I just need to use
>>> header to send the POST parms but I do not know the format of what to place
>>> in the header request (and I assume that I then use location to fire off to
>>> connection).
>>>
>>> Can someone either supply me with a sample code to do this or give me the
>>> URL of the documentation of the Headers that get sent by Post so I can look
>>> them up and create the needed script myself.
>>>
>>> Thank You.
>>>
>>
>>
>> use curl  (example #2)
>> see: http://www.php.net/manual/en/function.curl-setopt.php
>>
>> or file_get_contents
>> see: http://www.php.net/manual/en/function.file-get-contents.php#108309
>>
>
> Thank You.
>
> Example 2 was EXACTLY what I needed (even though all I wanted to do was pass
> a set of parms not load a file).
>
> One other query. I seem to remember a site whose function was to display all
> the headers being passed. I think it was a security type page whose purposed
> was to show all the data being leaked/sent in the headers when you connect.
> I would like to see what I ended up sending (as well as all the headers
> being sent) so I have a reference to see what the cURL function caused the
> browser to send. Cam you refresh my memory by supplying a URL for that site.
>
> Thank You.
>

You may be thinking of the HTTP Headers plugin for Firefox.  A great 
tool, but it doesn't help with cURL because cURL doesn't use the browser.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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#6355

On 17-06-2012 02:41, Jerry Stuckle wrote:
> On 6/16/2012 8:10 PM, Robert Rosenberg wrote:

>> I would like to see what I ended up sending (as well as all the headers
>> being sent) so I have a reference to see what the cURL function caused
>> the
>> browser to send. Cam you refresh my memory by supplying a URL for that
>> site.
>>
>> Thank You.
>>
> 
> You may be thinking of the HTTP Headers plugin for Firefox.  A great
> tool, but it doesn't help with cURL because cURL doesn't use the browser.
> 

or, if you use IE, press F12.... ;)

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#6352

Robert Rosenberg wrote:
> On 06/16/2012 14:46, in article 6s0va9-ugd.ln1@luuk.invalid.lan, "Luuk"

>> use curl  (example #2)
>> see: http://www.php.net/manual/en/function.curl-setopt.php
> Example 2 was EXACTLY what I needed (even though all I wanted to do was pass
> a set of parms not load a file).
>
> One other query. I seem to remember a site whose function was to display all
> the headers being passed. I think it was a security type page whose purposed
> was to show all the data being leaked/sent in the headers when you connect.
> I would like to see what I ended up sending (as well as all the headers
> being sent) so I have a reference to see what the cURL function caused the
> browser to send. Cam you refresh my memory by supplying a URL for that site.

First of all, when you are using PHP on a website, everything regarding PHP is 
executed on the web server, so the users web browser will not do anything more 
than send a form to your script.

If you want to have header information which curl sent to the server, you can 
do the following before you use curl_close():

	$sentheader = curl_getinfo($ch, CURLINFO_HEADER_OUT);



If you want to have the header you got from the remote server, then do the 
following before curl_exec():

	curl_setopt($ch, CURLINFO_HEADER_OUT, 1);

and before curl_close():

	$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
	$header = substr($response, 0, $header_size);


If you are interested of seeing the header that the user sent when they posted 
the the form:

	$headers = apache_request_headers();

	foreach ($headers as $header => $value) {
		echo "$header: $value <br />\n";
	}

This will only work on a apache server, depending on how you have setup the 
apache server to execute php. There is suggestion on a work around which you 
can read at:

http://www.rvaidya.com/blog/php/2009/02/25/get-request-headers-sent-by-client-in-php/



-- 

   //Aho

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#6500

On Sat, 16 Jun 2012 20:10:09 -0400, Robert Rosenberg wrote:

> One other query. I seem to remember a site whose function was to display
> all the headers being passed.

Assuming you have a web server available to you, it shouldn't be too 
difficult to set this up yourself. Just make a page on your server that 
logs the relevant data to a file, and point your curl routines at that 
page.

Rgds

Denis McMahon

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#6359

Robert Rosenberg, 16.06.2012 20:25:

> I would like to go to an external site and send a form to it via Post
> (simulating having generated the form and having the user submit it). I know
> that if I had been using GET, I could just code the parms along with the URL
> in the location command. To simulate Post I assume that I just need to use
> header to send the POST parms but I do not know the format of what to place
> in the header request (and I assume that I then use location to fire off to
> connection).

If available - use curl:

<http://php.net/manual/en/book.curl.php>

> Can someone either supply me with a sample code to do this or give me the
> URL of the documentation of the Headers that get sent by Post so I can look
> them up and create the needed script myself.

<?php
$data = array(
	'field1'=>'value1',
	'field2'=>'value2'
	);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://server.example');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_exec($ch);
curl_close($ch);
?>


-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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