Here is a nice little snippet that allows you to log in to a web form and then proceed to another page to get Dynamically generated files.
First you must create a file in tmp or any directory you choose and make sure it is writable for making your cookie.
$login = "https://domain.com/login.php";
$url = "https://domain.com/statistics.php";
$cookie = "/tmp/domain.txt";
$reffer = "https://domain.com/login.php";
// these are were we write our data to locally
$logfile = "domain.log.1"; // first file to create
$logdir="logs";
// are query strings. this is an array but you can set up to pull from a database if needed
$query = array(1=>"UserServiceId=1111&Action=CSV",
"UserServiceId=1112&Action=CSV",
"UserServiceId=1113&Action=CSV");
//login page
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $login);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_POST, 1);
// Action is set because this paticular form needs it to process to the next page
curl_setopt($ch, CURLOPT_POSTFIELDS, "Email=Username&Password=Password&Action=Login");
// may differ from form to form, View source of page to see what is needed
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie); // get file
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie); // write to file
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); // process page
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_exec ($ch);
curl_close ($ch);
// now for each query string we cURL
foreach($query as $page=>$csv){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $csv); // get file
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result.= site_name($id).substr(curl_exec($ch), 44); // append data and organize by site name
}
curl_close ($ch);
//Error check
// br tag = HTML br tag but stupid MT won't write it out
if ($result == NULL) {
echo "Error: br tag";
echo curl_errno($ch) . " - " . curl_error($ch) . "br tag";
}
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