GeoIP2-php/src/GeoIP2/Webservice/Client.php

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<?php
namespace GeoIP2\Webservice;
use GeoIP2\Error\Generic;
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use GeoIP2\Exception\HttpException;
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use GeoIP2\Error\Webservice;
use GeoIP2\Model\City;
use GeoIP2\Model\CityISPOrg;
use GeoIP2\Model\Country;
use GeoIP2\Model\Omni;
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use Guzzle\Http\Client as GuzzleClient;
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class Client
{
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private $user_id;
private $license_key;
private $languages;
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private $base_uri = 'https://geoip.maxmind.com/geoip/v2.0';
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public function __construct($user_id, $license_key, $languages=array('en'))
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{
$this->user_id = $user_id;
$this->license_key = $license_key;
$this->languages = $languages;
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}
public function city($ip_address = 'me')
{
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return $this->response_for('city', 'City', $ip_address);
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}
public function country($ip_address = 'me')
{
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return $this->response_for('country', 'Country', $ip_address);
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}
public function cityISPOrg($ip_address = 'me')
{
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return $this->response_for('city_isp_org', 'CityISPOrg', $ip_address);
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}
public function omni($ip_address = 'me')
{
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return $this->response_for('omni', 'Omni', $ip_address);
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}
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private function response_for($path, $class, $ip_address)
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{
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$uri = implode('/', array($this->base_uri, $path, $ip_address));
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$client = new GuzzleClient();
$request = $client->get($uri, array('Accept' => 'application/json'));
$request->setAuth($this->user_id, $this->license_key);
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$ua = $request->getHeader('User-Agent');
$ua = "GeoIP2 PHP API ($ua)";
$request->setHeader('User-Agent', $ua);
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$response = $request->send();
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if ($response->isSuccessful()) {
$body = $this->handleSuccess($response, $uri);
$class = "GeoIP2\\Model\\" . $class;
return new $class($body, $this->languages);
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}
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}
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private function handleSuccess($response, $uri)
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{
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// XXX - handle exceptions
try {
return $response->json();
}
// XXX - figure out what sort of exception to catch
catch (Exception $e) {
throw new GenericException("Received a 200 response for $uri but could not decode the response as JSON: " . $e->getMessage());
}
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}
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private function handleError($response, $uri)
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{
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$status = $response->getStatusCode();
if ($status >= 400 && $status <= 499) {
$this->handle4xx($response, $uri);
}
elseif ($status >= 500 && $status <= 599){
$this->handle5xx($response, $uri);
}
else {
$this->hanldeNon200($reponse, $uri);
}
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}
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private function handle4xx($response, $uri)
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{
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if ( $response->getContentLength() > 0 ) {
if( strstr($response->getContentType(), 'json')) {
try {
$body = $response->json();
if (!$body['code'] || $body['error'] ){
throw new GenericException('Response contains JSON but it does not specify code or error keys');
}
}
// XXX - don't catch all exceptions
catch (Exception $e){
throw new HttpException("Received a $status error for $uri but it did not include the expected JSON body: " . $e->getMessage(), $status, $uri);
}
}
else {
throw new HttpException("Received a $status error for $uri with the following body: $content",
$status, $uri);
}
}
else {
throw new HttpException("Received a $status error for $uri with no body",
$status, $uri);
}
throw new WebserviceException($body['error'], $status, $uri);
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}
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private function handle5xx($response, $uri)
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{
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throw new HttpException("Received a server error ($status) for $uri",
$status,$uri);
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}
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private function handleNon200($response, $uri)
{
throw new HttpException("Received a very surprising HTTP status " .
"($status) for $uri",
$status, $uri);
}
}