Data feed file integration price comparison shopping script

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Retrieving Remote HTML content from DFF Server


For increased security, DFF will now recommend using the function file_get_contents() or cURL instead of include();

Remote inclusion of remote PHP file or any remote file is a security hole in PHP. It has worked well for DFF for almost 3 years because the files affiliates are including from DFF are not malicious. Nevertheless it is not best practice.

if you are getting errors using remote URL include such as:
Warning: include() [function.include]: URL file-access is disabled in the server configuration in ...
[function.include]: failed to open stream: no suitable wrapper could be found ...
Warning: include() [function.include]: Failed opening 'http://www.datafeedfile.com

Please read: dffRemoteInclude

Using PHP

Instead of using:
include("http://www.datafeedfile.com/some_dff_script.php?affid=...&".$_SERVER['QUERY_STRING']);


DFF recommends change to:
echo file_get_contents("http://www.datafeedfile.com/some_dff_script.php?affid=....&".$_SERVER['QUERY_STRING']);


or you can use the cURL library/extension like this:

$ch = curl_init("http://www.datafeedfile.com/some_dff_script.php?affid=....&".$_SERVER['QUERY_STRING']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
if(($DFF_output = curl_exec($ch))===FALSE) die("Error getting content from DFF"); else echo $DFF_output;
curl_close($ch);


Using ASP

We are not ASP programmers, the following code is untested as of 3/16/2009, if you are testing it and found that it does not work, please let DFF staff know.

<%
set XmlObj = Server.CreateObject("Microsoft.XMLHTTP")
XmlObj.open "GET", "http://www.datafeedfile.com/some_dff_script.php?affid=....&" & Request.QueryString, false
XmlObj.send
formatdata = XmlObj.responseText
Response.write(formatdata)
Set XmlObj = nothing
%>


Using Python

We are not Python programmers, the following code is untested as of 3/16/2009, if you are testing it and found that it does not work, please let DFF staff know.

import urllib2

urlStr = 'http://www.datafeedfile.com/some_dff_script.php?affid=....&' + os.environment('QUERY_STRING')
try:
    fileHandle = urllib2.urlopen(urlStr)
    DFF_output = fileHandle.read()
    fileHandle.close()
    print DFF_output
except IOError:
    print 'Error getting content from DFF:'


Using JSP

coming soon... or somebody would like to contribute here?

Using Ruby

coming soon... or somebody would like to contribute here?
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