/**
* Starts or continues a download for a missing GeoIP database. A database is missing if
* it has an update URL configured, but the actual database is not available in the misc
* directory.
*
* Input:
* 'url' - The URL to download the database from.
* 'continue' - 1 if we're continuing a download, 0 if we're starting one.
*
* Output:
* 'error' - If an error occurs this describes the error.
* 'to_download' - The URL of a missing database that should be downloaded next (if any).
* 'to_download_label' - The label to use w/ the progress bar that describes what we're
* downloading.
* 'current_size' - Size of the current file on disk.
* 'expected_file_size' - Size of the completely downloaded file.
*/
public function downloadMissingGeoIpDb()
{
$this->dieIfGeolocationAdminIsDisabled();
Piwik::checkUserHasSuperUserAccess();
if ($_SERVER["REQUEST_METHOD"] == "POST") {
try {
$this->checkTokenInUrl();
Json::sendHeaderJSON();
// based on the database type (provided by the 'key' query param) determine the
// url & output file name
$key = Common::getRequestVar('key', null, 'string');
$url = GeoIPAutoUpdater::getConfiguredUrl($key);
$ext = GeoIPAutoUpdater::getGeoIPUrlExtension($url);
$filename = GeoIp::$dbNames[$key][0] . '.' . $ext;
if (substr($filename, 0, 15) == 'GeoLiteCity.dat') {
$filename = 'GeoIPCity.dat' . substr($filename, 15);
}
$outputPath = GeoIp::getPathForGeoIpDatabase($filename);
// download part of the file
$result = Http::downloadChunk($url, $outputPath, Common::getRequestVar('continue', true, 'int'));
// if the file is done
if ($result['current_size'] >= $result['expected_file_size']) {
GeoIPAutoUpdater::unzipDownloadedFile($outputPath, $unlink = true);
$info = $this->getNextMissingDbUrlInfo();
if ($info !== false) {
return json_encode($info);
}
}
return json_encode($result);
} catch (Exception $ex) {
return json_encode(array('error' => $ex->getMessage()));
}
}
}
