2023-01-23 11:03:31 +01:00

254 lines
8.1 KiB
PHP

<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\UserCountry\LocationProvider;
use Exception;
use Piwik\Piwik;
use Piwik\Plugin\Manager;
use Piwik\Plugins\UserCountry\LocationProvider;
/**
* Base type for all GeoIP LocationProviders.
*
*/
abstract class GeoIp extends LocationProvider
{
/* For testing, use: 'http://piwik-team.s3.amazonaws.com/GeoLiteCity.dat.gz' */
const GEO_LITE_URL = 'http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz';
const TEST_IP = '194.57.91.215';
public static $geoIPDatabaseDir = 'misc';
/**
* Stores possible database file names categorized by the type of information
* GeoIP databases hold.
*
* @var array
*/
public static $dbNames = array(
'loc' => array('GeoIPCity.dat', 'GeoLiteCity.dat', 'GeoIP.dat'),
'isp' => array('GeoIPISP.dat'),
'org' => array('GeoIPOrg.dat'),
);
/**
* Cached region name array. Data is from geoipregionvars.php.
*
* @var array
*/
private static $regionNames = null;
/**
* Attempts to fill in some missing information in a GeoIP location.
*
* This method will call LocationProvider::completeLocationResult and then
* try to set the region name of the location if the country code & region
* code are set.
*
* @param array $location The location information to modify.
*/
public function completeLocationResult(&$location)
{
parent::completeLocationResult($location);
// set region name if region code is set
if (empty($location[self::REGION_NAME_KEY])
&& !empty($location[self::REGION_CODE_KEY])
&& !empty($location[self::COUNTRY_CODE_KEY])
) {
$countryCode = $location[self::COUNTRY_CODE_KEY];
$regionCode = (string)$location[self::REGION_CODE_KEY];
$location[self::REGION_NAME_KEY] = self::getRegionNameFromCodes($countryCode, $regionCode);
}
}
public function isVisible()
{
return !Manager::getInstance()->isPluginActivated('GeoIp2') || self::getCurrentProvider() instanceof GeoIp;
}
/**
* Returns true if this provider has been setup correctly, the error message if
* otherwise.
*
* @return bool|string
*/
public function isWorking()
{
// test with an example IP to make sure the provider is working
// NOTE: At the moment only country, region & city info is tested.
try {
$supportedInfo = $this->getSupportedLocationInfo();
list($testIp, $expectedResult) = self::getTestIpAndResult();
// get location using test IP
$location = $this->getLocation(array('ip' => $testIp));
// check that result is the same as expected
$isResultCorrect = true;
foreach ($expectedResult as $key => $value) {
// if this provider is not configured to support this information type, skip it
if (empty($supportedInfo[$key])) {
continue;
}
if (empty($location[$key])
|| $location[$key] != $value
) {
$isResultCorrect = false;
}
}
if (!$isResultCorrect) {
$unknown = Piwik::translate('General_Unknown');
$location = "'"
. (empty($location[self::CITY_NAME_KEY]) ? $unknown : $location[self::CITY_NAME_KEY])
. ", "
. (empty($location[self::REGION_CODE_KEY]) ? $unknown : $location[self::REGION_CODE_KEY])
. ", "
. (empty($location[self::COUNTRY_CODE_KEY]) ? $unknown : $location[self::COUNTRY_CODE_KEY])
. "'";
$expectedLocation = "'" . $expectedResult[self::CITY_NAME_KEY] . ", "
. $expectedResult[self::REGION_CODE_KEY] . ", "
. $expectedResult[self::COUNTRY_CODE_KEY] . "'";
$bind = array($testIp, $location, $expectedLocation);
return Piwik::translate('UserCountry_TestIPLocatorFailed', $bind);
}
return true;
} catch (Exception $ex) {
return $ex->getMessage();
}
}
/**
* Returns a region name for a country code + region code.
*
* @param string $countryCode
* @param string $regionCode
* @return string The region name or 'Unknown' (translated).
*/
public static function getRegionNameFromCodes($countryCode, $regionCode)
{
$regionNames = self::getRegionNames();
$countryCode = strtoupper($countryCode);
$regionCode = strtoupper($regionCode);
// ensure tibet is shown as region of china
if ($countryCode == 'TI' && $regionCode == '1') {
$regionCode = '14';
$countryCode = 'CN';
}
if (isset($regionNames[$countryCode][$regionCode])) {
return $regionNames[$countryCode][$regionCode];
} else {
return Piwik::translate('General_Unknown');
}
}
/**
* Returns an array of region names mapped by country code & region code.
*
* @return array
*/
public static function getRegionNames()
{
if (is_null(self::$regionNames)) {
$GEOIP_REGION_NAME = array();
require_once PIWIK_INCLUDE_PATH . '/libs/MaxMindGeoIP/geoipregionvars.php';
self::$regionNames = $GEOIP_REGION_NAME;
}
return self::$regionNames;
}
/**
* Returns the path of an existing GeoIP database or false if none can be found.
*
* @param array $possibleFileNames The list of possible file names for the GeoIP database.
* @return string|false
*/
public static function getPathToGeoIpDatabase($possibleFileNames)
{
foreach ($possibleFileNames as $filename) {
$path = self::getPathForGeoIpDatabase($filename);
if (file_exists($path)) {
return $path;
}
}
return false;
}
/**
* Returns full path for a GeoIP database managed by Piwik.
*
* @param string $filename Name of the .dat file.
* @return string
*/
public static function getPathForGeoIpDatabase($filename)
{
return PIWIK_INCLUDE_PATH . '/' . self::$geoIPDatabaseDir . '/' . $filename;
}
/**
* Returns test IP used by isWorking and expected result.
*
* @return array eg. array('1.2.3.4', array(self::COUNTRY_CODE_KEY => ...))
*/
private static function getTestIpAndResult()
{
static $result = null;
if (is_null($result)) {
// TODO: what happens when IP changes? should we get this information from piwik.org?
$expected = array(self::COUNTRY_CODE_KEY => 'FR',
self::REGION_CODE_KEY => 'A6',
self::CITY_NAME_KEY => 'Besançon');
$result = array(self::TEST_IP, $expected);
}
return $result;
}
/**
* Returns true if there is a GeoIP database in the 'misc' directory.
*
* @return bool
*/
public static function isDatabaseInstalled()
{
return self::getPathToGeoIpDatabase(self::$dbNames['loc'])
|| self::getPathToGeoIpDatabase(self::$dbNames['isp'])
|| self::getPathToGeoIpDatabase(self::$dbNames['org']);
}
/**
* Returns the type of GeoIP database ('loc', 'isp' or 'org') based on the
* filename (eg, 'GeoLiteCity.dat', 'GeoIPISP.dat', etc).
*
* @param string $filename
* @return string|false 'loc', 'isp', 'org', or false if cannot find a database
* type.
*/
public static function getGeoIPDatabaseTypeFromFilename($filename)
{
foreach (self::$dbNames as $key => $names) {
foreach ($names as $name) {
if ($name === $filename) {
return $key;
}
}
}
return false;
}
}