| Server IP : 172.67.216.182 / Your IP : 162.158.170.219 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/wwwroot/lapma.in/airpay_php_v3/ |
Upload File : |
<?php
Class Checksum {
public static function calculateChecksum($data, $secret_key) {
$checksum = md5($data.$secret_key);
return $checksum;
}
public static function encrypt($data, $salt) {
// Build a 256-bit $key which is a SHA256 hash of $salt and $password.
$key = hash('SHA256', $salt.'@'.$data);
return $key;
}
public static function encryptSha256($data) {
$key = hash('SHA256', $data);
return $key;
}
public static function calculateChecksumSha256($data, $salt) {
// print($data);
// exit;
$checksum = hash('SHA256', $salt.'@'.$data);
return $checksum;
}
/* public static function getAllParams() {
//ksort($_POST);
$all = '';
$except_list=array('checksum','privatekey','mercid','message');
foreach($_POST as $key => $value) {
if(!in_array($key,$except_list)) {
$all .= "'";
$_POST[key] = Checksum::sanitizedParam($value);
}
}
}
*/
public static function outputForm($checksum) {
//ksort($_POST);
foreach($_POST as $key => $value) {
echo '<input type="hidden" name="'.$key.'" value="'.$value.'" />'."\n";
}
echo '<input type="hidden" name="checksum" value="'.$checksum.'" />'."\n";
}
public static function verifyChecksum($checksum, $all, $secret) {
$cal_checksum = Checksum::calculateChecksum($secret, $all);
$bool = 0;
if($checksum == $cal_checksum) {
$bool = 1;
}
return $bool;
}
/*
public static function sanitizedParam($param) {
$pattern[0] = "%\{%";
$pattern[1] = "%\}%";
$pattern[2] = "%<%";
$pattern[3] = "%>%";
$pattern[4] = "%`%";
$pattern[5] = "%!%";
$pattern[6] = "%\[%";
$pattern[7] = "%\]%";
$pattern[8] = "%\*%";
$pattern[9] = "%&%";
$pattern[10] = "%\\$%";
$pattern[11] = "%\%%";
$pattern[12] = "%\^%";
$pattern[13] = "%=%";
$pattern[14] = "%\+%";
$pattern[15] = "%\|%";
$pattern[16] = "%\\\%";
$pattern[17] = "%:%";
$pattern[18] = "%'%";
$pattern[19] = "%\"%";
$pattern[21] = "%~%";
$sanitizedParam = preg_replace($pattern, "", $param);
return $sanitizedParam;
}
public static function sanitizedURL($param) {
$pattern[0] = "%,%";
$pattern[1] = "%\(%";
$pattern[2] = "%\)%";
$pattern[3] = "%\{%";
$pattern[4] = "%\}%";
$pattern[5] = "%<%";
$pattern[6] = "%>%";
$pattern[7] = "%`%";
$pattern[8] = "%!%";
$pattern[9] = "%\\$%";
$pattern[10] = "%\%%";
$pattern[11] = "%\^%";
$pattern[12] = "%\+%";
$pattern[13] = "%\|%";
$pattern[14] = "%\\\%";
$pattern[15] = "%'%";
$pattern[16] = "%\"%";
$pattern[17] = "%;%";
$pattern[18] = "%~%";
$pattern[19] = "%\[%";
$pattern[20] = "%\]%";
$pattern[21] = "%\*%";
$sanitizedParam = preg_replace($pattern, "", $param);
return $sanitizedParam;
}
*/
}