Subiendo proyecto completo sin restricciones de git ignore

vendor/anandsiddharth/laravel-paytm-wallet/lib/encdec_paytm.php

@@ -0,0 +1,154 @@
+<?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;
+}