Credit Card Fraud Detection

Может кому полезно будет
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This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

require_once (HTTPBase.php);
class CreditCardFraudDetection extends HTTPBase {
var $server;
var $numservers;
var $API_VERSION;

function CreditCardFraudDetection() {
$this->HTTPBase();
$this->isSecure = 1; // use HTTPS by default

//set the allowed_fields hash
$this->allowed_fields = 1;
$this->allowed_fields[domain] = 1;
$this->allowed_fields[city] = 1;
$this->allowed_fields[region] = 1;
$this->allowed_fields[postal] = 1;
$this->allowed_fields[country] = 1;
$this->allowed_fields[bin] = 1;
$this->allowed_fields[binName] = 1;
$this->allowed_fields[binPhone] = 1;
$this->allowed_fields[custPhone] = 1;
$this->allowed_fields[license_key] = 1;
$this->allowed_fields[requested_type] = 1;
$this->allowed_fields[forwardedIP] = 1;
$this->allowed_fields[emailMD5] = 1;
$this->allowed_fields[shipAddr] = 1;
$this->allowed_fields[shipCity] = 1;
$this->allowed_fields[shipRegion] = 1;
$this->allowed_fields[shipPostal] = 1;
$this->allowed_fields[shipCountry] = 1;
$this->allowed_fields[txnID] = 1;
$this->allowed_fields[sessionID] = 1;
$this->allowed_fields[usernameMD5] = 1;
$this->allowed_fields[passwordMD5] = 1;
$this->allowed_fields[user_agent] = 1;
$this->allowed_fields[accept_language] = 1;
$this->allowed_fields[avs_result] = 1;
$this->allowed_fields[cvv_result] = 1;
$this->allowed_fields[order_amount] = 1;
$this->allowed_fields[order_currency] = 1;
$this->allowed_fields[shopID] = 1;
$this->allowed_fields[txn_type] = 1;

$this->num_allowed_fields = count($this->allowed_fields);

//set the url of the web service
$this->url = app/ccv2r;
$this->check_field = countryMatch;
$this->server = array( minfraud.maxmind.com, minfraud-us-east.maxmind.com, minfraud-us-west.maxmind.com);
$this->numservers = count($this->server);
$this->API_VERSION = PHP/1.52;
}

function filter_field($key, $value) {
if ($key == emailMD5){
if (ereg(@,$value)){
return md5(strtolower($value));
}
} else if ($key == usernameMD5 || $key == passwordMD5) {
if (strlen($value) != 32) {
return md5(strtolower($value));
}
}
return $value;
}
}
?>