Current File : /home/tjamichg/cursos.tjamich.gob.mx/plugin/buycourses/src/paypalfunctions.php
<?php
/*
* PayPal API Module
*
* Defines all the global variables and the wrapper functions
*/
$PROXY_HOST = '127.0.0.1';
$PROXY_PORT = '808';
$SandboxFlag = $pruebas;
/**
* PayPal API Credentials
* Replace <API_USERNAME> with your API Username
* Replace <API_PASSWORD> with your API Password
* Replace <API_SIGNATURE> with your Signature.
*/
$API_UserName = $paypalUsername;
$API_Password = $paypalPassword;
$API_Signature = $paypalSignature;
// BN Code is only applicable for partners
$sBNCode = "PP-ECWizard";
/**
* Define the PayPal Redirect URLs.
* This is the URL that the buyer is first sent to do authorize payment with their paypal account
* change the URL depending if you are testing on the sandbox or the live PayPal site.
*
* For the sandbox, the URL is https://www.sandbox.paypal.com/webscr&cmd=_express-checkout&token=
* For the live site, the URL is https://www.paypal.com/webscr&cmd=_express-checkout&token=
*/
if ($SandboxFlag == true) {
$API_Endpoint = "https://api-3t.sandbox.paypal.com/nvp";
$PAYPAL_URL = "https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token=";
} else {
$API_Endpoint = "https://api-3t.paypal.com/nvp";
$PAYPAL_URL = "https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=";
}
$USE_PROXY = false;
$version = "93";
if (session_id() == "") {
session_start();
}
/**
* An express checkout transaction starts with a token, that
* identifies to PayPal your transaction
* In this example, when the script sees a token, the script
* knows that the buyer has already authorized payment through
* paypal. If no token was found, the action is to send the buyer
* to PayPal to first authorize payment.
*/
/**
* Purpose: Prepares the parameters for the SetExpressCheckout API Call.
* Inputs:
* paymentAmount: Total value of the shopping cart
* currencyCodeType: Currency code value the PayPal API
* paymentType: paymentType has to be one of the following values: Sale or Order or Authorization
* returnURL: the page where buyers return to after they are done with the payment review on PayPal
* cancelURL: the page where buyers return to when they cancel the payment review on PayPal.
*/
function CallShortcutExpressCheckout($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $extra)
{
// Construct the parameter string that describes the SetExpressCheckout API call in the shortcut implementation
$nvpstr = "&PAYMENTREQUEST_0_AMT=".$paymentAmount;
$nvpstr .= "&PAYMENTREQUEST_0_ITEMAMT=".$paymentAmount;
$nvpstr .= "&PAYMENTREQUEST_0_PAYMENTACTION=".$paymentType;
$nvpstr .= "&RETURNURL=".$returnURL;
$nvpstr .= "&CANCELURL=".$cancelURL;
$nvpstr .= "&PAYMENTREQUEST_0_CURRENCYCODE=".$currencyCodeType;
$nvpstr .= $extra;
$_SESSION["currencyCodeType"] = $currencyCodeType;
$_SESSION["PaymentType"] = $paymentType;
/**
* Make the API call to PayPal
* If the API call succeded, then redirect the buyer to PayPal to begin to authorize payment.
* If an error occured, show the resulting errors.
*/
$resArray = hash_call("SetExpressCheckout", $nvpstr);
$ack = strtoupper($resArray["ACK"]);
if ($ack == "SUCCESS" || $ack == "SUCCESSWITHWARNING") {
$token = urldecode($resArray["TOKEN"]);
$_SESSION['TOKEN'] = $token;
}
return $resArray;
}
/**
* Purpose: Prepares the parameters for the SetExpressCheckout API Call.
* Inputs:
* paymentAmount: Total value of the shopping cart
* currencyCodeType: Currency code value the PayPal API
* paymentType: paymentType has to be one of the following values: Sale or Order or Authorization
* returnURL: the page where buyers return to after they are done with the payment review on PayPal
* cancelURL: the page where buyers return to when they cancel the payment review on PayPal
* shipToName: the Ship to name entered on the merchant's site
* shipToStreet: the Ship to Street entered on the merchant's site
* shipToCity: the Ship to City entered on the merchant's site
* shipToState: the Ship to State entered on the merchant's site
* shipToCountryCode: the Code for Ship to Country entered on the merchant's site
* shipToZip: the Ship to ZipCode entered on the merchant's site
* shipToStreet2: the Ship to Street2 entered on the merchant's site
* phoneNum: the phoneNum entered on the merchant's site.
*/
function CallMarkExpressCheckout(
$paymentAmount,
$currencyCodeType,
$paymentType,
$returnURL,
$cancelURL,
$shipToName,
$shipToStreet,
$shipToCity,
$shipToState,
$shipToCountryCode,
$shipToZip,
$shipToStreet2,
$phoneNum
) {
// Construct the parameter string that describes the SetExpressCheckout API call in the shortcut implementation
$nvpstr = "&PAYMENTREQUEST_0_AMT=".$paymentAmount;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_PAYMENTACTION=".$paymentType;
$nvpstr = $nvpstr."&RETURNURL=".$returnURL;
$nvpstr = $nvpstr."&CANCELURL=".$cancelURL;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_CURRENCYCODE=".$currencyCodeType;
$nvpstr = $nvpstr."&ADDROVERRIDE=1";
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTONAME=".$shipToName;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOSTREET=".$shipToStreet;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOSTREET2=".$shipToStreet2;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOCITY=".$shipToCity;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOSTATE=".$shipToState;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOCOUNTRYCODE=".$shipToCountryCode;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOZIP=".$shipToZip;
$nvpstr = $nvpstr."&PAYMENTREQUEST_0_SHIPTOPHONENUM=".$phoneNum;
$_SESSION["currencyCodeType"] = $currencyCodeType;
$_SESSION["PaymentType"] = $paymentType;
/**
* Make the API call to PayPal
* If the API call succeded, then redirect the buyer to PayPal to begin to authorize payment.
* If an error occured, show the resulting errors.
*/
$resArray = hash_call("SetExpressCheckout", $nvpstr);
$ack = strtoupper($resArray["ACK"]);
if ($ack == "SUCCESS" || $ack == "SUCCESSWITHWARNING") {
$token = urldecode($resArray["TOKEN"]);
$_SESSION['TOKEN'] = $token;
}
return $resArray;
}
/**
* Purpose: Prepares the parameters for the GetExpressCheckoutDetails API Call.
*
* Inputs:
* None
* Returns:
* The NVP Collection object of the GetExpressCheckoutDetails Call Response.
*/
function GetShippingDetails($token)
{
/**
* At this point, the buyer has completed authorizing the payment
* at PayPal. The function will call PayPal to obtain the details
* of the authorization, including any shipping information of the
* buyer. Remember, the authorization is not a completed transaction
* at this state - the buyer still needs an additional step to finalize
* the transaction.
*
* Build a second API request to PayPal, using the token as the
* ID to get the details on the payment authorization
*/
$nvpstr = "&TOKEN=".$token;
/**
* Make the API call and store the results in an array.
* If the call was a success, show the authorization details, and provide
* an action to complete the payment.
* If failed, show the error.
*/
$resArray = hash_call("GetExpressCheckoutDetails", $nvpstr);
$ack = strtoupper($resArray["ACK"]);
if ($ack == "SUCCESS" || $ack == "SUCCESSWITHWARNING") {
$_SESSION['payer_id'] = $resArray['PAYERID'];
}
return $resArray;
}
/**
* Purpose: Prepares the parameters for the GetExpressCheckoutDetails API Call.
* Inputs:
* sBNCode: The BN code used by PayPal to track the transactions from a given shopping cart.
* Returns:
* The NVP Collection object of the GetExpressCheckoutDetails Call Response.
*/
function ConfirmPayment($FinalPaymentAmt)
{
/**
* Gather the information to make the final call to
* finalize the PayPal payment. The variable nvpstr
* holds the name value pairs.
*/
//Format the other parameters that were stored in the session from the previous calls
$token = urlencode($_SESSION['TOKEN']);
$paymentType = urlencode($_SESSION['PaymentType']);
$currencyCodeType = urlencode($_SESSION['currencyCodeType']);
$payerID = urlencode($_SESSION['payer_id']);
$serverName = urlencode($_SERVER['SERVER_NAME']);
$nvpstr =
'&TOKEN='.$token.'&PAYERID='.$payerID.'&PAYMENTREQUEST_0_PAYMENTACTION='.$paymentType.'&PAYMENTREQUEST_0_AMT='
.$FinalPaymentAmt;
$nvpstr .= '&PAYMENTREQUEST_0_CURRENCYCODE='.$currencyCodeType.'&IPADDRESS='.$serverName;
$nvpstr = '&'.http_build_query([
'TOKEN' => $token,
'PAYERID' => $payerID,
'PAYMENTACTION' => $paymentType,
'PAYMENTREQUEST_0_AMT' => $FinalPaymentAmt,
'PAYMENTREQUEST_0_CURRENCYCODE' => $currencyCodeType,
'IPADDRESS' => $serverName,
'paymentactionspecified' => 'true',
]);
/**
* Make the call to PayPal to finalize payment
* If an error occured, show the resulting errors.
*/
$resArray = hash_call("DoExpressCheckoutPayment", $nvpstr);
/**
* Display the API response back to the browser.
* If the response from PayPal was a success, display the response parameters
* If the response was an error, display the errors received using APIError.php.
*/
$ack = strtoupper($resArray["ACK"]);
return $resArray;
}
/**
* Purpose: This function makes a DoDirectPayment API call
* Inputs:
* paymentType: paymentType has to be one of the following values: Sale or Order or Authorization
* paymentAmount: total value of the shopping cart
* currencyCode: currency code value the PayPal API
* firstName: first name as it appears on credit card
* lastName: last name as it appears on credit card
* street: buyer's street address line as it appears on credit card
* city: buyer's city
* state: buyer's state
* countryCode: buyer's country code
* zip: buyer's zip
* creditCardType: buyer's credit card type (i.e. Visa, MasterCard ... )
* creditCardNumber: buyers credit card number without any spaces, dashes or any other characters
* expDate: credit card expiration date
* cvv2: Card Verification Value
* Returns:
* The NVP Collection object of the DoDirectPayment Call Response.
*/
function DirectPayment(
$paymentType,
$paymentAmount,
$creditCardType,
$creditCardNumber,
$expDate,
$cvv2,
$firstName,
$lastName,
$street,
$city,
$state,
$zip,
$countryCode,
$currencyCode
) {
//Construct the parameter string that describes DoDirectPayment
$nvpstr = "&AMT=".$paymentAmount;
$nvpstr = $nvpstr."&CURRENCYCODE=".$currencyCode;
$nvpstr = $nvpstr."&PAYMENTACTION=".$paymentType;
$nvpstr = $nvpstr."&CREDITCARDTYPE=".$creditCardType;
$nvpstr = $nvpstr."&ACCT=".$creditCardNumber;
$nvpstr = $nvpstr."&EXPDATE=".$expDate;
$nvpstr = $nvpstr."&CVV2=".$cvv2;
$nvpstr = $nvpstr."&FIRSTNAME=".$firstName;
$nvpstr = $nvpstr."&LASTNAME=".$lastName;
$nvpstr = $nvpstr."&STREET=".$street;
$nvpstr = $nvpstr."&CITY=".$city;
$nvpstr = $nvpstr."&STATE=".$state;
$nvpstr = $nvpstr."&COUNTRYCODE=".$countryCode;
$nvpstr = $nvpstr."&IPADDRESS=".$_SERVER['REMOTE_ADDR'];
$resArray = hash_call("DoDirectPayment", $nvpstr);
return $resArray;
}
/**
* Purpose: This function makes a MassPay API call
* Inputs:
* Beneficiarie: Array that contains the Beneficiearie paypal account and the payout amount
* Currency Code: The currency Iso code
* Returns:
* The NVP Collection object of the MassPay Call Response.
*/
function MassPayment(array $beneficiaries, $currencyCode)
{
$nvpstr = "&RECEIVERTYPE=EmailAddress";
$nvpstr .= "&CURRENCYCODE=".$currencyCode;
$index = 0;
foreach ($beneficiaries as $beneficiary) {
$nvpstr .= "&L_EMAIL".$index."=".$beneficiary['paypal_account'];
$nvpstr .= "&L_AMT".$index."=".$beneficiary['commission'];
$index++;
}
$resArray = hash_call("MassPay", $nvpstr);
return $resArray;
}
/**
* hash_call: Function to perform the API call to PayPal using API signature.
*
* @methodName is name of API method.
* @nvpStr is nvp string.
* returns an associtive array containing the response from the server.
*/
function hash_call($methodName, $nvpStr)
{
//declaring of global variables
global $API_Endpoint, $version, $API_UserName, $API_Password, $API_Signature;
global $USE_PROXY, $PROXY_HOST, $PROXY_PORT;
global $sBNCode;
//setting the curl parameters.
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $API_Endpoint);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
//turning off the server and peer verification(TrustManager Concept).
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
//if USE_PROXY constant set to TRUE in Constants.php, then only proxy will be enabled.
//Set proxy name to PROXY_HOST and port number to PROXY_PORT in constants.php
if ($USE_PROXY) {
curl_setopt($ch, CURLOPT_PROXY, $PROXY_HOST.":".$PROXY_PORT);
}
//NVPRequest for submitting to server
$nvpreq = "METHOD=".urlencode($methodName)."&VERSION=".urlencode($version).
"&PWD=".urlencode($API_Password)."&USER=".urlencode($API_UserName).
"&SIGNATURE=".urlencode($API_Signature).$nvpStr."&BUTTONSOURCE=".urlencode($sBNCode);
//setting the nvpreq as POST FIELD to curl
curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq);
//getting response from server
$response = curl_exec($ch);
//converting NVPResponse to an Associative Array
$nvpResArray = deformatNVP($response);
$nvpReqArray = deformatNVP($nvpreq);
$_SESSION['nvpReqArray'] = $nvpReqArray;
if (curl_errno($ch)) {
// moving to display page to display curl errors
$_SESSION['curl_error_no'] = curl_errno($ch);
$_SESSION['curl_error_msg'] = curl_error($ch);
//Execute the Error handling module to display errors.
} else {
//closing the curl
curl_close($ch);
}
return $nvpResArray;
}
/**
* Purpose: Redirects to PayPal.com site.
* Inputs: NVP string.
*/
function RedirectToPayPal($token)
{
global $PAYPAL_URL;
// Redirect to paypal.com here
$payPalURL = $PAYPAL_URL.$token;
header("Location: ".$payPalURL);
exit;
}
/**
* This function will take NVPString and convert it to an Associative Array and it will decode the response.
* It is usefull to search for a particular key and displaying arrays.
*
* @nvpstr is NVPString.
* @nvpArray is Associative Array.
*/
function deformatNVP($nvpstr)
{
$intial = 0;
$nvpArray = [];
while (strlen($nvpstr)) {
//postion of Key
$keypos = strpos($nvpstr, '=');
//position of value
$valuepos = strpos($nvpstr, '&') ? strpos($nvpstr, '&') : strlen($nvpstr);
/*getting the Key and Value values and storing in a Associative Array*/
$keyval = substr($nvpstr, $intial, $keypos);
$valval = substr($nvpstr, $keypos + 1, $valuepos - $keypos - 1);
//decoding the respose
$nvpArray[urldecode($keyval)] = urldecode($valval);
$nvpstr = substr($nvpstr, $valuepos + 1, strlen($nvpstr));
}
return $nvpArray;
}
Mini Shell