Nominatim/website/reverse.php

<?php
	@define('CONST_ConnectionBucket_PageType', 'Reverse');

	require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
	require_once(CONST_BasePath.'/lib/log.php');
	require_once(CONST_BasePath.'/lib/PlaceLookup.php');
	require_once(CONST_BasePath.'/lib/ReverseGeocode.php');

	if (strpos(CONST_BulkUserIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false)
	{
		$fLoadAvg = getLoadAverage();
		if ($fLoadAvg > 2) sleep(60);
		if ($fLoadAvg > 4) sleep(120);
		if ($fLoadAvg > 6)
		{
			echo "Bulk User: Temporary block due to high server load\n";
			exit;
		}
	}

	$oDB =& getDB();
	ini_set('memory_limit', '200M');

	// Format for output
	$sOutputFormat = 'xml';
	if (isset($_GET['format']) && ($_GET['format'] == 'xml' || $_GET['format'] == 'json' || $_GET['format'] == 'jsonv2'))
	{
		$sOutputFormat = $_GET['format'];
	}

	// Show address breakdown
	$bShowAddressDetails = true;
	if (isset($_GET['addressdetails'])) $bShowAddressDetails = (bool)$_GET['addressdetails'];

	// Preferred language
	$aLangPrefOrder = getPreferredLanguages();

	$hLog = logStart($oDB, 'reverse', $_SERVER['QUERY_STRING'], $aLangPrefOrder);

	if (isset($_GET['osm_type']) && isset($_GET['osm_id']) && (int)$_GET['osm_id'] && ($_GET['osm_type'] == 'N' || $_GET['osm_type'] == 'W' || $_GET['osm_type'] == 'R'))
	{
		$oPlaceLookup = new PlaceLookup($oDB);
		$oPlaceLookup->setLanguagePreference($aLangPrefOrder);
		$oPlaceLookup->setIncludeAddressDetails($bShowAddressDetails);
		$oPlaceLookup->setOSMID($_GET['osm_type'], $_GET['osm_id']);

		$aPlace = $oPlaceLookup->lookup();
	}
	else if (isset($_GET['lat']) && isset($_GET['lon']) && preg_match('/^[+-]?[0-9]*\.?[0-9]+$/', $_GET['lat']) && preg_match('/^[+-]?[0-9]*\.?[0-9]+$/', $_GET['lon']))
	{
		$oReverseGeocode = new ReverseGeocode($oDB);
		$oReverseGeocode->setLanguagePreference($aLangPrefOrder);
		$oReverseGeocode->setIncludeAddressDetails($bShowAddressDetails);

		$oReverseGeocode->setLatLon($_GET['lat'], $_GET['lon']);
		$oReverseGeocode->setZoom(@$_GET['zoom']);

		$aPlace = $oReverseGeocode->lookup();
	}
	else
	{
		$aPlace = null;
	}

	if (CONST_Debug) exit;

	include(CONST_BasePath.'/lib/template/address-'.$sOutputFormat.'.php');