forked from LiveCarta/PayPal-PHP-SDK
124 lines
3.9 KiB
PHP
124 lines
3.9 KiB
PHP
<?php
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/**
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* API handler for all REST API calls
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*/
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namespace PayPal\Rest;
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use PayPal\Auth\OAuthTokenCredential;
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use PayPal\Common\PPUserAgent;
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use PayPal\Core\PPConstants;
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use PayPal\Core\PPCredentialManager;
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use PayPal\Core\PPHttpConfig;
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use PayPal\Exception\PPConfigurationException;
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use PayPal\Exception\PPInvalidCredentialException;
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use PayPal\Exception\PPMissingCredentialException;
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use PayPal\Handler\IPPHandler;
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/**
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* Class RestHandler
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*/
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class RestHandler implements IPPHandler
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{
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/**
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* Private Variable
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*
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* @var \Paypal\Rest\ApiContext $apiContext
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*/
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private $apiContext;
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/**
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* Construct
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*
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* @param \Paypal\Rest\ApiContext $apiContext
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*/
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public function __construct($apiContext)
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{
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$this->apiContext = $apiContext;
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}
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/**
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* @param PPHttpConfig $httpConfig
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* @param string $request
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* @param mixed $options
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* @return mixed|void
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* @throws PPConfigurationException
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* @throws PPInvalidCredentialException
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* @throws PPMissingCredentialException
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*/
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public function handle($httpConfig, $request, $options)
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{
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$credential = $this->apiContext->getCredential();
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$config = $this->apiContext->getConfig();
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if ($credential == null) {
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// Try picking credentials from the config file
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$credMgr = PPCredentialManager::getInstance($config);
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$credValues = $credMgr->getCredentialObject();
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if (!is_array($credValues)) {
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throw new PPMissingCredentialException("Empty or invalid credentials passed");
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}
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$credential = new OAuthTokenCredential($credValues['clientId'], $credValues['clientSecret']);
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}
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if ($credential == null || !($credential instanceof OAuthTokenCredential)) {
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throw new PPInvalidCredentialException("Invalid credentials passed");
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}
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$httpConfig->setUrl(
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rtrim(trim($this->_getEndpoint($config)), '/') .
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(isset($options['path']) ? $options['path'] : '')
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);
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if (!array_key_exists("User-Agent", $httpConfig->getHeaders())) {
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$httpConfig->addHeader("User-Agent", PPUserAgent::getValue(PPConstants::SDK_NAME, PPConstants::SDK_VERSION));
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}
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if (!is_null($credential) && $credential instanceof OAuthTokenCredential && is_null($httpConfig->getHeader('Authorization'))) {
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$httpConfig->addHeader('Authorization', "Bearer " . $credential->getAccessToken($config), false);
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}
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if ($httpConfig->getMethod() == 'POST' || $httpConfig->getMethod() == 'PUT') {
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$httpConfig->addHeader('PayPal-Request-Id', $this->apiContext->getRequestId());
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}
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// Add any additional Headers that they may have provided
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$headers = $this->apiContext->getRequestHeaders();
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foreach ($headers as $key => $value) {
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$httpConfig->addHeader($key, $value);
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}
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}
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/**
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* End Point
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*
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* @param array $config
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*
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* @return string
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* @throws \PayPal\Exception\PPConfigurationException
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*/
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private function _getEndpoint($config)
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{
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if (isset($config['service.EndPoint'])) {
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return $config['service.EndPoint'];
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} else if (isset($config['mode'])) {
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switch (strtoupper($config['mode'])) {
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case 'SANDBOX':
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return PPConstants::REST_SANDBOX_ENDPOINT;
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break;
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case 'LIVE':
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return PPConstants::REST_LIVE_ENDPOINT;
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break;
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default:
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throw new PPConfigurationException('The mode config parameter must be set to either sandbox/live');
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break;
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}
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} else {
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// Defaulting to Sandbox
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return PPConstants::REST_SANDBOX_ENDPOINT;
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}
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}
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}
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