我有一个为WHMCS创建的主题，并希望获得许可。但是，我不能使用示例WHMCS代码，因为它是在PHP中，所以我该怎么办？
我希望能够以一种聪明的方式做到这一点......或者我是否需要创建一个whmcs模块才能做到这一点？
我很乐意接受房子的任何建议，因为这让我担心。
<?php
/**
* WHMCS Licensing Addon - Integration Code Sample
* http://www.whmcs.com/addons/licensing-addon/
*
* The following code is a fully working code sample demonstrating how to
* perform license checks using the WHMCS Licensing Addon. It is PHP 4 and
* 5 compatable. Requires the WHMCS Licensing Addon to be used.
*
* @package WHMCS
* @author WHMCS Limited <development@whmcs.com>
* @copyright Copyright (c) WHMCS Limited 2005-2013
* @license http://www.whmcs.com/license/ WHMCS Eula
* @version $Id$
* @link http://www.whmcs.com/
*/
// This prevents any direct access
exit;
// Replace "yourprefix" with your own unique prefix to avoid conflicts with
// other instances of the licensing addon included within the same scope
function ipals20_check_license($licensekey, $localkey='') {
// -----------------------------------
// -- Configuration Values --
// -----------------------------------
// Enter the url to your WHMCS installation here
$whmcsurl = 'http://www.portal.stallioninternet.com/';
// Must match what is specified in the MD5 Hash Verification field
// of the licensing product that will be used with this check.
$licensing_secret_key = 'Jordan#2014$';
// The number of days to wait between performing remote license checks
$localkeydays = 15;
// The number of days to allow failover for after local key expiry
$allowcheckfaildays = 5;
// -----------------------------------
// -- Do not edit below this line --
// -----------------------------------
$check_token = time() . md5(mt_rand(1000000000, 9999999999) . $licensekey);
$checkdate = date("Ymd");
$domain = $_SERVER['SERVER_NAME'];
$usersip = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : $_SERVER['LOCAL_ADDR'];
$dirpath = dirname(__FILE__);
$verifyfilepath = 'modules/servers/licensing/verify.php';
$localkeyvalid = false;
if ($localkey) {
$localkey = str_replace("\n", '', $localkey); # Remove the line breaks
$localdata = substr($localkey, 0, strlen($localkey) - 32); # Extract License Data
$md5hash = substr($localkey, strlen($localkey) - 32); # Extract MD5 Hash
if ($md5hash == md5($localdata . $licensing_secret_key)) {
$localdata = strrev($localdata); # Reverse the string
$md5hash = substr($localdata, 0, 32); # Extract MD5 Hash
$localdata = substr($localdata, 32); # Extract License Data
$localdata = base64_decode($localdata);
$localkeyresults = unserialize($localdata);
$originalcheckdate = $localkeyresults['checkdate'];
if ($md5hash == md5($originalcheckdate . $licensing_secret_key)) {
$localexpiry = date("Ymd", mktime(0, 0, 0, date("m"), date("d") - $localkeydays, date("Y")));
if ($originalcheckdate > $localexpiry) {
$localkeyvalid = true;
$results = $localkeyresults;
$validdomains = explode(',', $results['validdomain']);
if (!in_array($_SERVER['SERVER_NAME'], $validdomains)) {
$localkeyvalid = false;
$localkeyresults['status'] = "Invalid";
$results = array();
}
$validips = explode(',', $results['validip']);
if (!in_array($usersip, $validips)) {
$localkeyvalid = false;
$localkeyresults['status'] = "Invalid";
$results = array();
}
$validdirs = explode(',', $results['validdirectory']);
if (!in_array($dirpath, $validdirs)) {
$localkeyvalid = false;
$localkeyresults['status'] = "Invalid";
$results = array();
}
}
}
}
}
if (!$localkeyvalid) {
$postfields = array(
'licensekey' => $licensekey,
'domain' => $domain,
'ip' => $usersip,
'dir' => $dirpath,
);
if ($check_token) $postfields['check_token'] = $check_token;
$query_string = '';
foreach ($postfields AS $k=>$v) {
$query_string .= $k.'='.urlencode($v).'&';
}
if (function_exists('curl_exec')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $whmcsurl . $verifyfilepath);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $query_string);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($ch);
curl_close($ch);
} else {
$fp = fsockopen($whmcsurl, 80, $errno, $errstr, 5);
if ($fp) {
$newlinefeed = "\r\n";
$header = "POST ".$whmcsurl . $verifyfilepath . " HTTP/1.0" . $newlinefeed;
$header .= "Host: ".$whmcsurl . $newlinefeed;
$header .= "Content-type: application/x-www-form-urlencoded" . $newlinefeed;
$header .= "Content-length: ".@strlen($query_string) . $newlinefeed;
$header .= "Connection: close" . $newlinefeed . $newlinefeed;
$header .= $query_string;
$data = '';
@stream_set_timeout($fp, 20);
@fputs($fp, $header);
$status = @socket_get_status($fp);
while (!@feof($fp)&&$status) {
$data .= @fgets($fp, 1024);
$status = @socket_get_status($fp);
}
@fclose ($fp);
}
}
if (!$data) {
$localexpiry = date("Ymd", mktime(0, 0, 0, date("m"), date("d") - ($localkeydays + $allowcheckfaildays), date("Y")));
if ($originalcheckdate > $localexpiry) {
$results = $localkeyresults;
} else {
$results = array();
$results['status'] = "Invalid";
$results['description'] = "Remote Check Failed";
return $results;
}
} else {
preg_match_all('/<(.*?)>([^<]+)<\/\\1>/i', $data, $matches);
$results = array();
foreach ($matches[1] AS $k=>$v) {
$results[$v] = $matches[2][$k];
}
}
if (!is_array($results)) {
die("Invalid License Server Response");
}
if ($results['md5hash']) {
if ($results['md5hash'] != md5($licensing_secret_key . $check_token)) {
$results['status'] = "Invalid";
$results['description'] = "MD5 Checksum Verification Failed";
return $results;
}
}
if ($results['status'] == "Active") {
$results['checkdate'] = $checkdate;
$data_encoded = serialize($results);
$data_encoded = base64_encode($data_encoded);
$data_encoded = md5($checkdate . $licensing_secret_key) . $data_encoded;
$data_encoded = strrev($data_encoded);
$data_encoded = $data_encoded . md5($data_encoded . $licensing_secret_key);
$data_encoded = wordwrap($data_encoded, 80, "\n", true);
$results['localkey'] = $data_encoded;
}
$results['remotecheck'] = true;
}
unset($postfields,$data,$matches,$whmcsurl,$licensing_secret_key,$checkdate,$usersip,$localkeydays,$allowcheckfaildays,$md5hash);
return $results;
}
// Get the license key and local key from storage
// These are typically stored either in flat files or an SQL database
$licensekey = "";
$localkey = "";
$base = __DIR__;
$handle = fopen($base."/license.txt", "r");
if ($handle) {
$count = 0;
while (($line = fgets($handle)) !== false) {
// process the line read.
if ($count == 0) {
$licensekey = trim($line);
} else if ($count == 1) {
$localkey = trim($line);
break;
}
$count++;
}
fclose($handle);
} else {
die("Could not read license file. Please contact support.");
}
echo $licensekey."<br/>";
echo $localkey."<br/>";
// Validate the license key information
$results = licensetest_check_license($licensekey, $localkey);
// Raw output of results for debugging purpose
echo '<textarea cols="100" rows="20">' . print_r($results, true) . '</textarea>';
// Interpret response
switch ($results['status']) {
case "Active":
// get new local key and save it somewhere
$localkeydata = str_replace(' ','',preg_replace('/\s+/', ' ', $results['localkey']));
$handle = fopen($base."/license.txt", "r");
if ($handle) {
$count = 0;
while (($line = fgets($handle)) !== false) {
// process the line read.
if ($count == 0) {
$licensekey = trim($line);
break;
}
$count++;
}
fclose($handle);
if (isset($results['localkey'])) {
$textfile = fopen($base . "/license.txt", "w") or die("Unable to open file!");
$contents = $licensekey . "\n" . $localkeydata . "\n";
fwrite($textfile, $contents);
fclose($textfile);
}
} else {
die("Could not read license file. Please contact support.");
}
break;
case "Invalid":
die("License key is Invalid");
break;
case "Expired":
die("License key is Expired");
break;
case "Suspended":
die("License key is Suspended");
break;
default:
die("Invalid Response");
break;
}