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Viewing / Editing File: ApiContext.php

<?php

namespace PayPal\Rest;

use PayPal\Core\PayPalConfigManager;
use PayPal\Core\PayPalCredentialManager;

/**
 * Class ApiContext
 *
 * Call level parameters such as request id, credentials etc
 *
 * @package PayPal\Rest
 */
class ApiContext
{

/**
     * Unique request id to be used for this call
     * The user can either generate one as per application
     * needs or let the SDK generate one
     *
     * @var null|string $requestId
     */
    private $requestId;

/**
     * This is a placeholder for holding credential for the request
     * If the value is not set, it would get the value from @\PayPal\Core\PayPalCredentialManager
     *
     * @var \PayPal\Auth\OAuthTokenCredential
     */
    private $credential;

/**
     * Construct
     *
     * @param \PayPal\Auth\OAuthTokenCredential $credential
     * @param string|null                       $requestId
     */
    public function __construct($credential = null, $requestId = null)
    {
        $this->requestId = $requestId;
        $this->credential = $credential;
    }

/**
     * Get Credential
     *
     * @return \PayPal\Auth\OAuthTokenCredential
     */
    public function getCredential()
    {
        if ($this->credential == null) {
            return PayPalCredentialManager::getInstance()->getCredentialObject();
        }
        return $this->credential;
    }

public function getRequestHeaders()
    {
        $result = PayPalConfigManager::getInstance()->get('http.headers');
        $headers = array();
        foreach ($result as $header => $value) {
            $headerName = ltrim($header, 'http.headers');
            $headers[$headerName] = $value;
        }
        return $headers;
    }

public function addRequestHeader($name, $value)
    {
        // Determine if the name already has a 'http.headers' prefix. If not, add one.
        if (!(substr($name, 0, strlen('http.headers')) === 'http.headers')) {
            $name = 'http.headers.' . $name;
        }
        PayPalConfigManager::getInstance()->addConfigs(array($name => $value));
    }

/**
     * Get Request ID
     *
     * @return string
     */
    public function getRequestId()
    {
        return $this->requestId;
    }

/**
     * Sets the request ID
     *
     * @param string $requestId the PayPal-Request-Id value to use
     */
    public function setRequestId($requestId)
    {
        $this->requestId = $requestId;
    }

/**
     * Resets the requestId that can be used to set the PayPal-request-id
     * header used for idempotency. In cases where you need to make multiple create calls
     * using the same ApiContext object, you need to reset request Id.
     * @deprecated Call setRequestId with a unique value.
     *
     * @return string
     */
    public function resetRequestId()
    {
        $this->requestId = $this->generateRequestId();
        return $this->getRequestId();
    }

/**
     * Sets Config
     *
     * @param array $config SDK configuration parameters
     */
    public function setConfig(array $config)
    {
        PayPalConfigManager::getInstance()->addConfigs($config);
    }

/**
     * Gets Configurations
     *
     * @return array
     */
    public function getConfig()
    {
        return PayPalConfigManager::getInstance()->getConfigHashmap();
    }

/**
     * Gets a specific configuration from key
     *
     * @param $searchKey
     * @return mixed
     */
    public function get($searchKey)
    {
        return PayPalConfigManager::getInstance()->get($searchKey);
    }

/**
     * Generates a unique per request id that
     * can be used to set the PayPal-Request-Id header
     * that is used for idempotency
     * @deprecated
     *
     * @return string
     */
    private function generateRequestId()
    {
        static $pid = -1;
        static $addr = -1;

if ($pid == -1) {
            $pid = getmypid();
        }

if ($addr == -1) {
            if (array_key_exists('SERVER_ADDR', $_SERVER)) {
                $addr = ip2long($_SERVER['SERVER_ADDR']);
            } else {
                $addr = php_uname('n');
            }
        }

return $addr . $pid . $_SERVER['REQUEST_TIME'] . mt_rand(0, 0xffff);
    }
}

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