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Adding v1 files to the repo.
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Adedayo Adeniyi authored and Adedayo Adeniyi committed Aug 14, 2019
1 parent 598b901 commit 049b924
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22 changes: 22 additions & 0 deletions en-GB.plg_payperdownloadplus_paystackpay.ini
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COM_PAYSTACKPAY_SETTINGS="Setting"
COM_PAYSTACKPAY_TEST_PUBLIC_KEY="Test Public Key"
COM_PAYSTACKPAY_TEST_PUBLIC_KEY_DESC="Test Public API Key"
COM_PAYSTACKPAY_TEST_SECRET_KEY="Test Secret Key"
COM_PAYSTACKPAY_TEST_SECRET_KEY_DESC="Test Secret API Key"
COM_PAYSTACKPAY_LIVE_PUBLIC_KEY="Live Public Key"
COM_PAYSTACKPAY_LIVE_PUBLIC_KEY_DESC="Live Public API Key"
COM_PAYSTACKPAY_LIVE_SECRET_KEY="Live Secret Key"
COM_PAYSTACKPAY_LIVE_SECRET_KEY_DESC="Live Secret API Key"

COM_PAYSTACKPAY_PAYMENT_MODE="Payment Mode"
COM_PAYSTACKPAY_PAYMENT_MODE_DESC="Set to Test Mode Or Live Mode. Choose Test if you are using your Test API keys"

COM_PAYSTACKPAY_EXTRA_YESNO="Paystack Extra Charges"
COM_PAYSTACKPAY_EXTRA_YESNO_DESC="Optionally push the Paystack Gateway charges to the user"
COM_PAYSTACKPAY_EXTRA_TYPE="Paystack Extra charges type"
COM_PAYSTACKPAY_EXTRACHARGESDESC="Push the charges as a percentage of the total, or as a fixed amount"
COM_PAYSTACKPAY_EXTRA_VALUE="Paystack Extra charges value"
COM_PAYSTACKPAY_EXTRACHARGE_VALUEDESC="The value of the extra charges"

COM_PAYSTACKPAY_CURR="Currency Code"
COM_PAYSTACKPAY_CURR_DESC="You can change to the three-letter currency code you want to receive payments in e.g. USD, CAD, GBP. Check https://thefactfile.org/countries-currencies-symbols/ for other examples. NOTE: PLEASE only change the value if you have activated International Payments in your PayStack Account."
376 changes: 376 additions & 0 deletions paystackpay.php
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<?php
/**
* @plugin Paystack Payment Plugin for the Pay per Download component
* @author Adedayo Adeniyi
* @copyright (C) Adedayo Adeniyi
* @license GNU/GPL http://www.gnu.org/copyleft/gpl.html
**/
defined( '_JEXEC' ) or
die( 'Direct Access to this location is not allowed.' );
//Review PayPal format at Payperdownload component path/site/models/pay.php
require_once (JPATH_ADMINISTRATOR . "/components/com_payperdownload/classes/debug.php");
// import the JPlugin class
jimport('joomla.event.plugin');

class plgPayperDownloadPlusPaystackPay extends JPlugin
{
public function __construct(&$subject, $config = array())
{
parent::__construct($subject, $config);
}

public function onRenderPaymentForm($user, $license, $resource,
$returnUrl, $thankyouUrl)
{
$siteUrl = JUri::base(); $package_price = array(); $tosend ="";
$theuser = JFactory::getUser();
$pmntinfo = $this->getPaystackPaymentInfo();
$public_key = $pmntinfo->public_key;

$user_id = 0;
if($user)
{
$user_id = $user->id; $customer_email = $user->email;
$thename = explode(" ",$user->name); $firstname = $thename[0];
// if(count($thename) > 1){$lastname = $thename[1];}
}
else{
$user_id = $theuser->id; $customer_email = $theuser->email;
$thename = explode(" ",$theuser->name); $firstname = $thename[0];
}
if($public_key && $customer_email)
{
$item_id = 0; $name = ""; $damount = 0; $currency = ""; $description = "";
$type = ""; $task = ""; $download_id = 0; $amount = 0;
if($license || $resource)
{
if($resource)
{
$damount = $resource->resource_price;
$currency = $pmntinfo->currency; //$currency = $resource->resource_price_currency;
$item_id = $resource->resource_license_id;
$name = $resource->resource_name;
$download_id = $resource->download_id;
if($resource->alternate_resource_description)
$description = $resource->alternate_resource_description;
else
$description = $resource->resource_description;
$task = "confirmres";
$type = "resource";
}
else
{
$damount = $license->price;
$currency = $pmntinfo->currency; //$currency = $license->currency_code;
$item_id = $license->license_id;
$name = $license->license_name;
$description = $license->description;
$task = "confirm";
$type = "license";
}
$package_price = $this->calcFinalAmount($damount, $pmntinfo->ps_extra, $pmntinfo->ps_extratype, $pmntinfo->ps_extraval);
$amount = $package_price[0] * 100;
$amount = (int)$amount;
$returnBase64Coded = base64_encode($returnUrl);
$callbackurl = 'index.php?option=com_payperdownload&amp;gateway=paystack&amp;task='.htmlentities($task).'';
$the_reference = 'ppdp'.floor(mt_rand()*10 + 1);//''+Math.floor((Math.random() * 1000000000) + 1);
//put the reference in a session
$session = JFactory::getSession();
$session->set('session_transaction_id',$the_reference); //dump($the_reference,"the created reference");

//construct the variable containing the form
//$tosend ='<div class="payment-heading">'.$redirectHeading.'</div>';
$tosend .='<form method="post" action="'.$callbackurl.'" name="paystack-payment_form" id="paystack-payment_form">
<script src="https://js.paystack.co/v1/inline.js"></script>
<button id="paystack-pay-btn" style="display:none" type="button" onclick="payWithPaystack()"> Pay Now </button>';
$tosend .=
'<script type="text/javascript">
function payWithPaystack(){
var handler = PaystackPop.setup({
key: \'' . $public_key . '\',
email: \'' . $customer_email . '\',
amount: \''.$amount . '\',
ref: \'' . $the_reference . '\',
currency: \''.$currency.'\',
firstname: \''.$firstname.'\',';
if(count($thename) > 1){$lastname = $thename[1]; $tosend .= 'lastname: \''.$lastname.'\','; }
$tosend .= 'metadata: {
"ecommerce_platform":"Joomla 3",
"payment_plugin": "Paystackpay for PayPerDownload",
"author": "Daydah",';
/* custom_fields: [
{
display_name: "Ecommerce Platform",
variable_name: "ecommerce_platform",
value: "Joomla 3"
}
{
display_name: "Payment plugin",
variable_name: "payment_plugin",
value: "Paystackpay for PayPerDownload"
}
] */
$tosend .=
' },
callback: function(response){
document.getElementById(\'paystack-payment_form\').submit();
},
onClose: function(){
document.getElementById(\'paystack-payment_form\').submit();
}
});
handler.openIframe();
}
payWithPaystack();
</script>';
//add the hidden form fields too
$tosend .= '
<input type="hidden" name="item_id" value="'.htmlentities($item_id).'"/>
<input type="hidden" name="item_type" value="'.htmlentities($type).'"/>
<input type="hidden" name="user_id" value="'.htmlentities($user_id).'"/>
<input type="hidden" name="damount" value="'.htmlentities($damount).'"/>
<input type="hidden" name="currency" value="'.htmlentities($currency).'"/>
<input type="hidden" name="r" value="'.htmlentities($returnBase64Coded).'"/>
<input type="hidden" name="redirect" value="'.htmlentities($returnBase64Coded).'"/>
<input type="hidden" name="the-fee" value="'.htmlentities($package_price[1]).'"/>';
if($download_id)
{
$tosend .= '<input type="hidden" name="download_id" value="'.(int)$download_id.'/>';
}
$tosend .= '</form>';
echo $tosend;

}
}
}

public function onPaymentReceived($gateway, &$dealt, &$payed,
&$user_id, &$license_id, &$resource_id, &$transactionId,
&$response, &$validate_response, &$status, &$amount,
&$tax, &$fee, &$currency)
{
if($gateway == "paystack")
{
$dealt = true;
$payed = false;
$amount = JRequest::getInt('damount');
$currency = JRequest::getVar('currency');
$user_id = JRequest::getInt("user_id");
$item_type = JRequest::getVar("item_type");
$item_id = JRequest::getInt("item_id");
$download_id = JRequest::getInt("download_id");
$license_id = 0;
$resource_id = 0;
$tax = 0;
if($item_type == "resource")
{$resource_id = $item_id;}
else
{$license_id = $item_id;}
$session = JFactory::getSession();
$thetransactionid = $session->get('session_transaction_id');
$this->_jinput = JFactory::getApplication()->input;
$pmntinfo1 = $this->getPaystackPaymentInfo();

$secret_key = $pmntinfo1->secret_key;
if($secret_key && $thetransactionid)
{
try
{
$transData = $this->verifyPaystackTransaction($thetransactionid, $secret_key);
$sentreference = '';
if(property_exists($transData, 'reference'))
{
$sentreference = $transData->reference;
}
else if(property_exists($transData, 'paystack-reference'))
{
$sentreference = $transData->paystack-reference;
}

if (
(!property_exists($transData, 'error')) &&
property_exists($transData, 'status') &&
($transData->status === 'success') &&
(strpos($transData->reference, $thetransactionid) === 0)
)
{
// Update order status - From pending to complete
$amount = $amount;// / 100.0;
$payed = true;
$transactionId = $sentreference;
$fee = JRequest::getInt('the-fee');
$status = "COMPLETED";
$validate_response = "VERIFIED";
$response = json_encode($transData);
$payerEmail = $transData->customer->email;
}
else if (property_exists($transData, 'error') || ($transData->status === 'failed'))
{
$status = "FAILED";
$response = $transData->gateway_response;
}

if($download_id)
{
$session = JFactory::getSession();
$transactions = $session->get("trans", array());
$transactions["$transactionId"] =
array("download_id" => $download_id,
"payeremail" => $payerEmail
);
$session->set("trans", $transactions);
}
}
catch (Exception $e)
{
$status = "FAILED";
$response = $e->getMessage();
}
}
}
}

public function onGetPayerEmail($transactionId, &$payer_email)
{
$session = JFactory::getSession();
$transactions = $session->get("trans", array());
if(isset($transactions[$transactionId]))
{
$payer_email = $transactions[$transactionId]["payeremail"];
unset($transactions[$transactionId]);
$session->set("trans", $transactions);
}
}

public function onGetDownloadLinkId($transactionId, &$download_id)
{
$session = JFactory::getSession();
$transactions = $session->get("trans", array());
if(isset($transactions[$transactionId]))
{
$download_id = $transactions[$transactionId]["download_id"];
}
}

public function calcFinalAmount($initialval, $extra1, $extratype, $extraval)
{
$finvalue = 0; $calcpercent = 0; $finvsend = array();
//check if there extra switch is on or off
if($extra1 == 0){
//then extra switch is off.
$finvalue = $initialval;
}
else{ //the extra switch is on, so we need to calculate final value
//check type
if($extratype == 0){
//then the type is a percentage
//calculate percentage value
$dextra = ($extraval * $initialval)/100;
$finvalue = $initialval + $dextra;
}
else{//then the type is a fixed amount
$dextra = $extraval;
$finvalue = $initialval + $extraval;
}
}
array_push($finvsend,$finvalue,$dextra);
return $finvsend;
}

/*
* @param string $secret_key is either the demo or live secret key from your dashboard. $transactionid is the transaction reference code sent to the API previously
*/

public function verifyPaystackTransaction($transactionid, $secret_key)
{
$transactionStatus = new stdClass();
$transactionStatus->error = "";
// try a file_get verification
$opts = array(
'http' => array(
'method' => "GET",
'header' => "Authorization: Bearer " . $secret_key
)
);

$context = stream_context_create($opts);
$url = "https://api.paystack.co/transaction/verify/" . $transactionid;
$response = file_get_contents($url, false, $context);

// if file_get didn't work, try curl
if (!$response) {
curl_setopt($ch, CURLOPT_URL, "https://api.paystack.co/transaction/verify/" . $transactionid);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Authorization: Bearer ' . $secret_key
));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, false);

// Make sure CURL_SSLVERSION_TLSv1_2 is defined as 6
// cURL must be able to use TLSv1.2 to connect
// to Paystack servers
if (!defined('CURL_SSLVERSION_TLSv1_2')) {
define('CURL_SSLVERSION_TLSv1_2', 6);
}
curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
// exec the cURL
$response = curl_exec($ch);
// should be 0
if (curl_errno($ch)) {
// curl ended with an error
$transactionStatus->error = "cURL said:" . curl_error($ch);
}
//close connection
curl_close($ch);
}

if ($response)
{
$body = json_decode($response);
if (!$body->status)
{
// paystack has an error message for us
$transactionStatus->error = "Paystack API said: " . $body->message;
} else {
// get body returned by Paystack API
$transactionStatus = $body->data;
}
} else {
// no response
$transactionStatus->error = $transactionStatus->error . " : No response";
}

return $transactionStatus;
}

public function getPaystackPaymentInfo()
{
$pddpinfo = new StdClass();
$pddpinfo->pmode = $this->params->get('ppdp_test_mode');//get test mode and use to get keys

switch($pddpinfo->pmode)
{
case 0: //its in test mode
$pddpinfo->secret_key = $this->params->get('ppdp_test_secret_key');
$pddpinfo->public_key = $this->params->get('ppdp_test_public_key'); break;
case 1://its live
$pddpinfo->secret_key = $this->params->get('ppdp_live_secret_key');
$pddpinfo->public_key = $this->params->get('ppdp_live_public_key'); break;
default: //its in test mode
$pddpinfo->secret_key = $this->params->get('ppdp_test_secret_key');
$pddpinfo->public_key = $this->params->get('ppdp_test_public_key'); break;
}
//$pddpinfo->notify_email = $this->params->get('notify_email', '');

$pddpinfo->ps_extra = $this->params->get('paystack_extra_yes_no');
$pddpinfo->ps_extratype = $this->params->get('paystack_extra_type');
$pddpinfo->ps_extraval = $this->params->get('paystack_extra_charges_value');

$pddpinfo->currency = $this->params['paystack_currcode'];
return $pddpinfo;
}

}

?>
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