Client.php in Smart IP 6.2

Namespace

MaxMind\WebService

File

includes/vendor/maxmind/web-service-common/src/WebService/Client.php

<?php

namespace MaxMind\WebService;

use Composer\CaBundle\CaBundle;
use MaxMind\Exception\AuthenticationException;
use MaxMind\Exception\HttpException;
use MaxMind\Exception\InsufficientFundsException;
use MaxMind\Exception\InvalidInputException;
use MaxMind\Exception\InvalidRequestException;
use MaxMind\Exception\IpAddressNotFoundException;
use MaxMind\Exception\PermissionRequiredException;
use MaxMind\Exception\WebServiceException;
use MaxMind\WebService\Http\RequestFactory;

/**
 * This class is not intended to be used directly by an end-user of a
 * MaxMind web service. Please use the appropriate client API for the service
 * that you are using.
 * @package MaxMind\WebService
 * @internal
 */
class Client {
  const VERSION = '0.2.0';
  private $caBundle;
  private $connectTimeout;
  private $host = 'api.maxmind.com';
  private $httpRequestFactory;
  private $licenseKey;
  private $proxy;
  private $timeout;
  private $userAgentPrefix;
  private $userId;

  /**
   * @param int $userId Your MaxMind user ID
   * @param string $licenseKey Your MaxMind license key
   * @param array $options An array of options. Possible keys:
   *
   * * `host` - The host to use when connecting to the web service.
   * * `userAgent` - The prefix of the User-Agent to use in the request.
   * * `caBundle` - The bundle of CA root certificates to use in the request.
   * * `connectTimeout` - The connect timeout to use for the request.
   * * `timeout` - The timeout to use for the request.
   * * `proxy` - The HTTP proxy to use. May include a schema, port,
   *   username, and password, e.g., `http://username:password@127.0.0.1:10`.
   */
  public function __construct($userId, $licenseKey, $options = array()) {
    $this->userId = $userId;
    $this->licenseKey = $licenseKey;
    $this->httpRequestFactory = isset($options['httpRequestFactory']) ? $options['httpRequestFactory'] : new RequestFactory();
    if (isset($options['host'])) {
      $this->host = $options['host'];
    }
    if (isset($options['userAgent'])) {
      $this->userAgentPrefix = $options['userAgent'] . ' ';
    }
    $this->caBundle = isset($options['caBundle']) ? $this->caBundle = $options['caBundle'] : $this
      ->getCaBundle();
    if (isset($options['connectTimeout'])) {
      $this->connectTimeout = $options['connectTimeout'];
    }
    if (isset($options['timeout'])) {
      $this->timeout = $options['timeout'];
    }
    if (isset($options['proxy'])) {
      $this->proxy = $options['proxy'];
    }
  }

  /**
   * @param string $service name of the service querying
   * @param string $path the URI path to use
   * @param array $input the data to be posted as JSON
   * @return array The decoded content of a successful response
   * @throws InvalidInputException when the request has missing or invalid
   * data.
   * @throws AuthenticationException when there is an issue authenticating the
   * request.
   * @throws InsufficientFundsException when your account is out of funds.
   * @throws InvalidRequestException when the request is invalid for some
   * other reason, e.g., invalid JSON in the POST.
   * @throws HttpException when an unexpected HTTP error occurs.
   * @throws WebServiceException when some other error occurs. This also
   * serves as the base class for the above exceptions.
   */
  public function post($service, $path, $input) {
    $body = json_encode($input);
    if ($body === false) {
      throw new InvalidInputException('Error encoding input as JSON: ' . $this
        ->jsonErrorDescription());
    }
    $request = $this
      ->createRequest($path, array(
      'Content-Type: application/json',
    ));
    list($statusCode, $contentType, $body) = $request
      ->post($body);
    return $this
      ->handleResponse($statusCode, $contentType, $body, $service, $path);
  }
  public function get($service, $path) {
    $request = $this
      ->createRequest($path);
    list($statusCode, $contentType, $body) = $request
      ->get();
    return $this
      ->handleResponse($statusCode, $contentType, $body, $service, $path);
  }
  private function userAgent() {
    $curlVersion = curl_version();
    return $this->userAgentPrefix . 'MaxMind-WS-API/' . Client::VERSION . ' PHP/' . PHP_VERSION . ' curl/' . $curlVersion['version'];
  }
  private function createRequest($path, $headers = array()) {
    array_push($headers, 'Authorization: Basic ' . base64_encode($this->userId . ':' . $this->licenseKey), 'Accept: application/json');
    return $this->httpRequestFactory
      ->request($this
      ->urlFor($path), array(
      'caBundle' => $this->caBundle,
      'connectTimeout' => $this->connectTimeout,
      'headers' => $headers,
      'proxy' => $this->proxy,
      'timeout' => $this->timeout,
      'userAgent' => $this
        ->userAgent(),
    ));
  }

  /**
   * @param integer $statusCode the HTTP status code of the response
   * @param string $contentType the Content-Type of the response
   * @param string $body the response body
   * @param string $service the name of the service
   * @param string $path the path used in the request
   * @return array The decoded content of a successful response
   * @throws AuthenticationException when there is an issue authenticating the
   * request.
   * @throws InsufficientFundsException when your account is out of funds.
   * @throws InvalidRequestException when the request is invalid for some
   * other reason, e.g., invalid JSON in the POST.
   * @throws HttpException when an unexpected HTTP error occurs.
   * @throws WebServiceException when some other error occurs. This also
   * serves as the base class for the above exceptions
   */
  private function handleResponse($statusCode, $contentType, $body, $service, $path) {
    if ($statusCode >= 400 && $statusCode <= 499) {
      $this
        ->handle4xx($statusCode, $contentType, $body, $service, $path);
    }
    elseif ($statusCode >= 500) {
      $this
        ->handle5xx($statusCode, $service, $path);
    }
    elseif ($statusCode != 200) {
      $this
        ->handleUnexpectedStatus($statusCode, $service, $path);
    }
    return $this
      ->handleSuccess($body, $service);
  }

  /**
   * @return string describing the JSON error
   */
  private function jsonErrorDescription() {
    $errno = json_last_error();
    switch ($errno) {
      case JSON_ERROR_DEPTH:
        return 'The maximum stack depth has been exceeded.';
      case JSON_ERROR_STATE_MISMATCH:
        return 'Invalid or malformed JSON.';
      case JSON_ERROR_CTRL_CHAR:
        return 'Control character error.';
      case JSON_ERROR_SYNTAX:
        return 'Syntax error.';
      case JSON_ERROR_UTF8:
        return 'Malformed UTF-8 characters.';
      default:
        return "Other JSON error ({$errno}).";
    }
  }

  /**
   * @param string $path The path to use in the URL
   * @return string The constructed URL
   */
  private function urlFor($path) {
    return 'https://' . $this->host . $path;
  }

  /**
   * @param int $statusCode The HTTP status code
   * @param string $contentType The response content-type
   * @param string $body The response body
   * @param string $service The service name
   * @param string $path The path used in the request
   * @throws AuthenticationException
   * @throws HttpException
   * @throws InsufficientFundsException
   * @throws InvalidRequestException
   */
  private function handle4xx($statusCode, $contentType, $body, $service, $path) {
    if (strlen($body) === 0) {
      throw new HttpException("Received a {$statusCode} error for {$service} with no body", $statusCode, $this
        ->urlFor($path));
    }
    if (!strstr($contentType, 'json')) {
      throw new HttpException("Received a {$statusCode} error for {$service} with " . "the following body: " . $body, $statusCode, $this
        ->urlFor($path));
    }
    $message = json_decode($body, true);
    if ($message === null) {
      throw new HttpException("Received a {$statusCode} error for {$service} but could " . 'not decode the response as JSON: ' . $this
        ->jsonErrorDescription() . ' Body: ' . $body, $statusCode, $this
        ->urlFor($path));
    }
    if (!isset($message['code']) || !isset($message['error'])) {
      throw new HttpException('Error response contains JSON but it does not ' . 'specify code or error keys: ' . $body, $statusCode, $this
        ->urlFor($path));
    }
    $this
      ->handleWebServiceError($message['error'], $message['code'], $statusCode, $path);
  }

  /**
   * @param string $message The error message from the web service
   * @param string $code The error code from the web service
   * @param int $statusCode The HTTP status code
   * @param string $path The path used in the request
   * @throws AuthenticationException
   * @throws InvalidRequestException
   * @throws InsufficientFundsException
   */
  private function handleWebServiceError($message, $code, $statusCode, $path) {
    switch ($code) {
      case 'IP_ADDRESS_NOT_FOUND':
      case 'IP_ADDRESS_RESERVED':
        throw new IpAddressNotFoundException($message, $code, $statusCode, $this
          ->urlFor($path));
      case 'AUTHORIZATION_INVALID':
      case 'LICENSE_KEY_REQUIRED':
      case 'USER_ID_REQUIRED':
      case 'USER_ID_UNKNOWN':
        throw new AuthenticationException($message, $code, $statusCode, $this
          ->urlFor($path));
      case 'OUT_OF_QUERIES':
      case 'INSUFFICIENT_FUNDS':
        throw new InsufficientFundsException($message, $code, $statusCode, $this
          ->urlFor($path));
      case 'PERMISSION_REQUIRED':
        throw new PermissionRequiredException($message, $code, $statusCode, $this
          ->urlFor($path));
      default:
        throw new InvalidRequestException($message, $code, $statusCode, $this
          ->urlFor($path));
    }
  }

  /**
   * @param int $statusCode The HTTP status code
   * @param string $service The service name
   * @param string $path The URI path used in the request
   * @throws HttpException
   */
  private function handle5xx($statusCode, $service, $path) {
    throw new HttpException("Received a server error ({$statusCode}) for {$service}", $statusCode, $this
      ->urlFor($path));
  }

  /**
   * @param int $statusCode The HTTP status code
   * @param string $service The service name
   * @param string $path The URI path used in the request
   * @throws HttpException
   */
  private function handleUnexpectedStatus($statusCode, $service, $path) {
    throw new HttpException('Received an unexpected HTTP status ' . "({$statusCode}) for {$service}", $statusCode, $this
      ->urlFor($path));
  }

  /**
   * @param string $body The successful request body
   * @param string $service The service name
   * @return array The decoded request body
   * @throws WebServiceException if the request body cannot be decoded as
   * JSON
   */
  private function handleSuccess($body, $service) {
    if (strlen($body) == 0) {
      throw new WebServiceException("Received a 200 response for {$service} but did not " . "receive a HTTP body.");
    }
    $decodedContent = json_decode($body, true);
    if ($decodedContent === null) {
      throw new WebServiceException("Received a 200 response for {$service} but could " . 'not decode the response as JSON: ' . $this
        ->jsonErrorDescription() . ' Body: ' . $body);
    }
    return $decodedContent;
  }
  private function getCaBundle() {
    $cert = CaBundle::getSystemCaRootBundlePath();

    // Check if the cert is inside a phar. If so, we need to copy the cert
    // to a temp file so that curl can see it.
    if (substr($cert, 0, 7) == 'phar://') {
      $tempDir = sys_get_temp_dir();
      $newCert = tempnam($tempDir, 'geoip2-');
      if ($newCert === false) {
        throw new \RuntimeException("Unable to create temporary file in {$tempDir}");
      }
      if (!copy($cert, $newCert)) {
        throw new \RuntimeException("Could not copy {$cert} to {$newCert}: " . var_export(error_get_last(), true));
      }

      // We use a shutdown function rather than the destructor as the
      // destructor isn't called on a fatal error such as an uncaught
      // exception.
      register_shutdown_function(function () use ($newCert) {
        unlink($newCert);
      });
      $cert = $newCert;
    }
    if (!file_exists($cert)) {
      throw new \RuntimeException("CA cert does not exist at {$cert}");
    }
    return $cert;
  }

}

Classes

Name	Description
Client	This class is not intended to be used directly by an end-user of a MaxMind web service. Please use the appropriate client API for the service that you are using. @package MaxMind\WebService @internal