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<?php |
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/** |
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* IP location provider |
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*/ |
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class IpLocationProvider implements ILocationProvider |
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{ |
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private $apikey; |
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private $database; |
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public function __construct(PdoDatabase $database, $apikey) |
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{ |
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$this->database = $database; |
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$this->apikey = $apikey; |
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} |
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public function getIpLocation($address) |
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{ |
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$address = trim($address); |
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// lets look in our database first. |
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$location = GeoLocation::getByAddress($address, $this->database, true); |
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if ($location != null) { |
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// touch cache timer |
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$location->save(); |
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return $location->getData(); |
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} |
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// OK, it's not there, let's do an IP2Location lookup. |
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$result = $this->getResult($address); |
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if ($result != null) { |
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$location = new GeoLocation(); |
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$location->setDatabase($this->database); |
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$location->setAddress($address); |
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$location->setData($result); |
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$location->save(); |
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return $result; |
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} |
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return null; |
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} |
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// adapted from http://www.ipinfodb.com/ip_location_api.php |
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/** |
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* @param string $ip |
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* @return array|null |
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*/ |
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private function getResult($ip) |
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{ |
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try { |
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$xml = @file_get_contents($this->getApiBase() . '?key=' . $this->apikey . '&ip=' . $ip . '&format=xml'); |
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$response = @new SimpleXMLElement($xml); |
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$result = array(); |
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foreach ($response as $field => $value) { |
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$result[(string)$field] = (string)$value; |
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} |
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return $result; |
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} |
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} |
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catch (Exception $ex) { |
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return null; |
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// TODO: do something smart here, or wherever we use this value. |
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// This is just a temp hack to squash errors on the UI for now. |
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} |
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return null; |
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} |
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protected function getApiBase() |
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{ |
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return "http://api.ipinfodb.com/v3/ip-city/"; |
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} |
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} |
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enwikipedia-acc /
waca
