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Direktori : /home2/selectio/www/limpiar.in.net/vendor/anandsiddharth/laravel-paytm-wallet/lib/ |
Current File : /home2/selectio/www/limpiar.in.net/vendor/anandsiddharth/laravel-paytm-wallet/lib/encdec_paytm.php |
<?php function encrypt_e_openssl($input, $ky){ $iv = "@@@@&&&&####$$$$"; $data = openssl_encrypt ( $input , "AES-128-CBC" , $ky, 0, $iv ); return $data; } function decrypt_e_openssl($crypt, $ky){ $iv = "@@@@&&&&####$$$$"; $data = openssl_decrypt ( $crypt , "AES-128-CBC" , $ky, 0, $iv ); return $data; } function generateSalt_e($length) { $random = ""; srand((double) microtime() * 1000000); $data = "AbcDE123IJKLMN67QRSTUVWXYZ"; $data .= "aBCdefghijklmn123opq45rs67tuv89wxyz"; $data .= "0FGH45OP89"; for ($i = 0; $i < $length; $i++) { $random .= substr($data, (rand() % (strlen($data))), 1); } return $random; } function checkString_e($value) { $myvalue = ltrim($value); $myvalue = rtrim($myvalue); if (in_array($myvalue, ['null', 'NULL'])) { $myvalue = ''; } return $myvalue; } function getChecksumFromArray($arrayList, $key, $sort=1) { if ($sort != 0) { ksort($arrayList); } $str = getArray2Str($arrayList); $salt = generateSalt_e(4); $finalString = $str . "|" . $salt; $hash = hash("sha256", $finalString); $hashString = $hash . $salt; $checksum = encrypt_e_openssl($hashString, $key); return $checksum; } function getChecksumFromString($str, $key) { $salt = generateSalt_e(4); $finalString = $str . "|" . $salt; $hash = hash("sha256", $finalString); $hashString = $hash . $salt; $checksum = encrypt_e_openssl($hashString, $key); return $checksum; } function verifychecksum_e($arrayList, $key, $checksumvalue) { $arrayList = removeCheckSumParam($arrayList); ksort($arrayList); $str = getArray2Str($arrayList); $paytm_hash = decrypt_e_openssl($checksumvalue, $key); $salt = substr($paytm_hash, -4); $finalString = $str . "|" . $salt; $website_hash = hash("sha256", $finalString); $website_hash .= $salt; $validFlag = "FALSE"; if ($website_hash == $paytm_hash) { $validFlag = "TRUE"; } else { $validFlag = "FALSE"; } return $validFlag; } function verifychecksum_eFromStr($str, $key, $checksumvalue) { $paytm_hash = decrypt_e_openssl($checksumvalue, $key); $salt = substr($paytm_hash, -4); $finalString = $str . "|" . $salt; $website_hash = hash("sha256", $finalString); $website_hash .= $salt; $validFlag = "FALSE"; if ($website_hash == $paytm_hash) { $validFlag = "TRUE"; } else { $validFlag = "FALSE"; } return $validFlag; } function getArray2Str($arrayList) { $paramStr = ""; $flag = 1; foreach ($arrayList as $key => $value) { if ($flag) { $paramStr .= checkString_e($value); $flag = 0; } else { $paramStr .= "|" . checkString_e($value); } } return $paramStr; } function redirect2PG($paramList, $key) { $hashString = getchecksumFromArray($paramList); $checksum = encrypt_e_openssl($hashString, $key); } function removeCheckSumParam($arrayList) { if (isset($arrayList["CHECKSUMHASH"])) { unset($arrayList["CHECKSUMHASH"]); } return $arrayList; } function getTxnStatus($requestParamList) { return callAPI(PAYTM_STATUS_QUERY_URL, $requestParamList); } function initiateTxnRefund($requestParamList) { $CHECKSUM = getChecksumFromArray($requestParamList,PAYTM_MERCHANT_KEY,0); $requestParamList["CHECKSUM"] = $CHECKSUM; return callAPI(PAYTM_REFUND_URL, $requestParamList); } function callAPI($apiURL, $requestParamList) { $jsonResponse = ""; $responseParamList = array(); $JsonData =json_encode($requestParamList); $postData = 'JsonData='.urlencode($JsonData); $ch = curl_init($apiURL); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'Content-Type: application/json', 'Content-Length: ' . strlen($postData)) ); $jsonResponse = curl_exec($ch); $responseParamList = json_decode($jsonResponse,true); return $responseParamList; }