Your IP : 3.129.194.106
<?php
class PayPal {
private $server = array(
'sandbox' => 'https://api.sandbox.paypal.com',
'production' => 'https://api.paypal.com'
);
private $environment = 'sandbox';
private $partner_id = '';
private $client_id = '';
private $secret = '';
private $access_token = '';
private $errors = array();
private $last_response = array();
//IN: paypal info
public function __construct($paypal_info) {
if (isset($paypal_info['partner_id']) && $paypal_info['partner_id']) {
$this->partner_id = $paypal_info['partner_id'];
}
if (isset($paypal_info['client_id']) && $paypal_info['client_id']) {
$this->client_id = $paypal_info['client_id'];
}
if (isset($paypal_info['secret']) && $paypal_info['secret']) {
$this->secret = $paypal_info['secret'];
}
if (isset($paypal_info['environment']) && (($paypal_info['environment'] == 'production') || ($paypal_info['environment'] == 'sandbox'))) {
$this->environment = $paypal_info['environment'];
}
}
//IN: token info
//OUT: access token, if no return - check errors
public function setAccessToken($token_info) {
$command = '/v1/oauth2/token';
$params = $token_info;
$result = $this->execute('POST', $command, $params);
if (isset($result['access_token']) && $result['access_token']) {
$this->access_token = $result['access_token'];
return $this->access_token;
} else {
$this->errors[] = $result;
return false;
}
}
//OUT: access token
public function getAccessToken() {
return $this->access_token;
}
//OUT: access token, if no return - check errors
public function getClientToken() {
$command = '/v1/identity/generate-token';
$result = $this->execute('POST', $command);
if (isset($result['client_token']) && $result['client_token']) {
return $result['client_token'];
} else {
$this->errors[] = $result;
return false;
}
}
//IN: partner id
//OUT: merchant info, if no return - check errors
public function getSellerCredentials($partner_id) {
$command = '/v1/customer/partners/' . $partner_id . '/merchant-integrations/credentials';
$result = $this->execute('GET', $command);
if (isset($result['client_id']) && $result['client_id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: webhook info
public function createWebhook($webhook_info) {
$command = '/v1/notifications/webhooks';
$params = $webhook_info;
$result = $this->execute('POST', $command, $params, true);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: webhook id
//OUT: webhook info, if no return - check errors
public function updateWebhook($webhook_id, $webhook_info) {
$command = '/v1/notifications/webhooks/' . $webhook_id;
$params = $webhook_info;
$result = $this->execute('PATCH', $command, $params, true);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: webhook id
public function deleteWebhook($webhook_id) {
$command = '/v1/notifications/webhooks/' . $webhook_id;
$result = $this->execute('DELETE', $command);
return true;
}
//IN: webhook id
//OUT: webhook info, if no return - check errors
public function getWebhook($webhook_id) {
$command = '/v1/notifications/webhooks/' . $webhook_id;
$result = $this->execute('GET', $command);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//OUT: webhooks info, if no return - check errors
public function getWebhooks() {
$command = '/v1/notifications/webhooks';
$result = $this->execute('GET', $command);
if (isset($result['webhooks']) && $result['webhooks']) {
return $result['webhooks'];
} else {
$this->errors[] = $result;
return false;
}
}
//IN: order info
public function createOrder($order_info) {
$command = '/v2/checkout/orders';
$params = $order_info;
$result = $this->execute('POST', $command, $params, true);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: order id
//OUT: order info, if no return - check errors
public function updateOrder($order_id, $order_info) {
$command = '/v2/checkout/orders/' . $order_id;
$params = $order_info;
$result = $this->execute('PATCH', $command, $params, true);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: order id
//OUT: order info, if no return - check errors
public function getOrder($order_id) {
$command = '/v2/checkout/orders/' . $order_id;
$result = $this->execute('GET', $command);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: order id
public function setOrderAuthorize($order_id) {
$command = '/v2/checkout/orders/' . $order_id . '/authorize';
$result = $this->execute('POST', $command);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//IN: order id
public function setOrderCapture($order_id) {
$command = '/v2/checkout/orders/' . $order_id . '/capture';
$result = $this->execute('POST', $command);
if (isset($result['id']) && $result['id']) {
return $result;
} else {
$this->errors[] = $result;
return false;
}
}
//OUT: number of errors
public function hasErrors() {
return count($this->errors);
}
//OUT: array of errors
public function getErrors() {
return $this->errors;
}
//OUT: last response
public function getResponse() {
return $this->last_response;
}
private function execute($method, $command, $params = array(), $json = false) {
$this->errors = array();
if ($method && $command) {
$curl_options = array(
CURLOPT_URL => $this->server[$this->environment] . $command,
CURLOPT_HEADER => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_INFILESIZE => Null,
CURLOPT_HTTPHEADER => array(),
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_TIMEOUT => 10
);
$curl_options[CURLOPT_HTTPHEADER][] = 'Accept-Charset: utf-8';
$curl_options[CURLOPT_HTTPHEADER][] = 'Accept: application/json';
$curl_options[CURLOPT_HTTPHEADER][] = 'Accept-Language: en_US';
$curl_options[CURLOPT_HTTPHEADER][] = 'Content-Type: application/json';
$curl_options[CURLOPT_HTTPHEADER][] = 'PayPal-Request-Id: ' . $this->token(50);
$curl_options[CURLOPT_HTTPHEADER][] = 'PayPal-Partner-Attribution-Id: OPENCARTLIMITED_Cart_OpenCartPCP';
if ($this->access_token) {
$curl_options[CURLOPT_HTTPHEADER][] = 'Authorization: Bearer ' . $this->access_token;
} elseif ($this->client_id && $this->secret) {
$curl_options[CURLOPT_USERPWD] = $this->client_id . ':' . $this->secret;
} elseif ($this->client_id) {
$curl_options[CURLOPT_USERPWD] = $this->client_id;
}
switch (strtolower(trim($method))) {
case 'get':
$curl_options[CURLOPT_HTTPGET] = true;
$curl_options[CURLOPT_URL] .= '?' . $this->buildQuery($params, $json);
break;
case 'post':
$curl_options[CURLOPT_POST] = true;
$curl_options[CURLOPT_POSTFIELDS] = $this->buildQuery($params, $json);
break;
case 'patch':
$curl_options[CURLOPT_POST] = true;
$curl_options[CURLOPT_POSTFIELDS] = $this->buildQuery($params, $json);
$curl_options[CURLOPT_CUSTOMREQUEST] = strtoupper($method);
break;
case 'delete':
$curl_options[CURLOPT_POST] = true;
$curl_options[CURLOPT_POSTFIELDS] = $this->buildQuery($params, $json);
$curl_options[CURLOPT_CUSTOMREQUEST] = strtoupper($method);
break;
case 'put':
$curl_options[CURLOPT_PUT] = true;
if ($params) {
if ($buffer = fopen('php://memory', 'w+')) {
$params_string = $this->buildQuery($params, $json);
fwrite($buffer, $params_string);
fseek($buffer, 0);
$curl_options[CURLOPT_INFILE] = $buffer;
$curl_options[CURLOPT_INFILESIZE] = strlen($params_string);
} else {
$this->errors[] = array('name' => 'FAILED_OPEN_TEMP_FILE', 'message' => 'Unable to open a temporary file');
}
}
break;
case 'head':
$curl_options[CURLOPT_NOBODY] = true;
break;
default:
$curl_options[CURLOPT_CUSTOMREQUEST] = strtoupper($method);
}
$ch = curl_init();
curl_setopt_array($ch, $curl_options);
$response = curl_exec($ch);
if (curl_errno($ch)) {
$curl_code = curl_errno($ch);
$constant = get_defined_constants(true);
$curl_constant = preg_grep('/^CURLE_/', array_flip($constant['curl']));
$this->errors[] = array('name' => $curl_constant[$curl_code], 'message' => curl_strerror($curl_code));
}
/*$status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (($status_code >= 0) && ($status_code < 200)) {
$this->errors[] = 'Server Not Found (' . $status_code . ')';
}
if (($status_code >= 300) && ($status_code < 400)) {
$this->errors[] = 'Page Redirect (' . $status_code . ')';
}
if (($status_code >= 400) && ($status_code < 500)) {
$this->errors[] = 'Page not found (' . $status_code . ')';
}
if ($status_code >= 500) {
$this->errors[] = 'Server Error (' . $status_code . ')';
}*/
$head = '';
$body = '';
$parts = explode("\r\n\r\n", $response, 3);
if (isset($parts[0]) && isset($parts[1])) {
if (($parts[0] == 'HTTP/1.1 100 Continue') && isset($parts[2])) {
list($head, $body) = array($parts[1], $parts[2]);
} else {
list($head, $body) = array($parts[0], $parts[1]);
}
}
$response_headers = array();
$header_lines = explode("\r\n", $head);
array_shift($header_lines);
foreach ($header_lines as $line) {
list($key, $value) = explode(':', $line, 2);
$response_headers[$key] = $value;
}
curl_close($ch);
if (isset($buffer) && is_resource($buffer)) {
fclose($buffer);
}
$this->last_response = json_decode($body, true);
return $this->last_response;
}
}
private function buildQuery($params, $json) {
if (is_string($params)) {
return $params;
}
if ($json) {
return json_encode($params);
} else {
return http_build_query($params);
}
}
private function token($length = 32) {
// Create random token
$string = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$max = strlen($string) - 1;
$token = '';
for ($i = 0; $i < $length; $i++) {
$token .= $string[mt_rand(0, $max)];
}
return $token;
}
}