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“VeLiTi”
2025-01-30 11:43:37 +01:00
commit 6f1cc27ec4
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lib/paypal/paypal.php Normal file
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<?php
include_once dirname(__FILE__,3).'/config.php';
class paypalCurl {
private $url ; // base url of PayPal
private $id; // client id
private $secret; // secret id
private $accessToken = null; // changed by each request
public function init($id,$secret,$base):void
{
$this->url = $base;
$this->id = $id;
$this->secret = $secret;
}
private function makeAccessToken():bool
{
$url = $this->url;
$id = $this->id;
$secret = $this->secret;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . '/v1/oauth2/token');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "grant_type=client_credentials");
curl_setopt($ch, CURLOPT_USERPWD, $id . ':' . $secret);
$headers = array();
$headers[] = 'Content-Type: application/x-www-form-urlencoded';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
curl_close($ch);
$result = json_decode($result);
if (!empty($result->access_token)) {
$this->accessToken = $result->access_token;
return true;
}
return false;
}
public function makePaymentURL($orderId,$price,$currency)
{
$url = $this->url;
$response = new stdClass();
$response->status = false;
//first request for a new access token
if ($this->makeAccessToken()) $accessToken = $this->accessToken;
else {
$response->msg = "could not create access token!";
return $response;
}
//then request for a payment url
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . '/v2/checkout/orders');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{
"intent": "CAPTURE",
"purchase_units": [
{ "reference_id": "'.$orderId.'",
"description": "MorvalWatches",
"items": [
{
"name": "MorvalWatches",
"description": "Pay For ' . $orderId.'",
"quantity": "1",
"unit_amount": {
"currency_code": "'.$currency.'",
"value": "'.$price.'"
}
}
],
"amount": {
"currency_code": "'.$currency.'",
"value": "'.$price.'",
"breakdown": {
"item_total": {
"currency_code": "'.$currency.'",
"value": "'.$price.'"
}
}
}
}
],
"application_context":{
"shipping_preference":"NO_SHIPPING",
"return_url": "'.PAYPAL_WEBHOOK.'",
"cancel_url": "'.PAYPAL_WEBHOOK.'?txn='.$orderId.'"
}
}');
$headers = array();
$headers[] = 'Content-Type: application/json';
$headers[] = 'Authorization: Bearer '.$accessToken;
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
if (curl_errno($ch)) {
$response->msg = curl_error($ch);
curl_close($ch);
return $response;
}
$result = json_decode($result);
if (!empty($result->links[1]->href)) { // success
$PayURL = $result->links[1]->href;
$response -> url = $PayURL;
$response -> status = true;
return $response;
}
elseif(!empty($result->message)){ // failed
$response->msg = $result->message;
}
curl_close($ch);
return $response;
}
public function verify($token) { // to verify payment
if (empty($token)) return false;
$response = new stdClass();
$response-> state = false;
//first create another access token
if ($this->makeAccessToken()) $accessToken = $this->accessToken;
else {
$response-> ref = "could not make access token!";
return $response;
}
$url = $this->url;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . '/v2/checkout/orders/'.$token.'/capture');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
$headers = array();
$headers[] = 'Content-Type: application/json';
$headers[] = 'Authorization: Bearer '.$accessToken;
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
if (curl_errno($ch)) {
$response-> ref = "could not connect to paypal gateway";
curl_close($ch);
return $response;
}
//retrieve data from json
if (!empty($result)) {
$pay = json_decode($result);
if (!empty($pay->status) && $pay->status == 'COMPLETED') {
//success!
$response->state = true;
$response->ref = $pay->status;
//get details
$punits = $pay->purchase_units;
$captures = $punits[0]->payments->captures;
$response->id = $captures[0]->id; // transaction id
$response->amount = $captures[0]->amount->value; // returns float value
$response->currency = $captures[0]->amount->currency_code;
$response->email = $pay->payment_source->paypal->email_address; //payer email
$response->txn = $punits[0]->reference_id;
} else {
//maybe captured already! [ORDER_ALREADY_CAPTURED]
$details = $pay->details;
$response->ref = $details[0]->issue;
}
//echo "<pre>";var_dump($pay);echo "</pre>";
} else {
$response->ref = "result was empty!";
}
curl_close($ch);
return $response;
}
}