<?php
-
require_once('init.php');
+ if (CONST_NoAccessControl)
+ {
+ header("Access-Control-Allow-Origin: *");
+ header("Access-Control-Allow-Methods: OPTIONS,GET");
+ if (!empty($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
+ {
+ header("Access-Control-Allow-Headers: ".$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
+ }
+ }
+ if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;
+
if (CONST_ClosedForIndexing && strpos(CONST_ClosedForIndexingExceptionIPs, ','.$_SERVER["REMOTE_ADDR"].',') === false)
{
echo "Closed for re-indexing...";
exit;
}
- if (strpos(CONST_BlockedIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false)
+ $aBucketKeys = array();
+
+ if (isset($_SERVER["HTTP_REFERER"])) $aBucketKeys[] = str_replace('www.','',strtolower(parse_url($_SERVER["HTTP_REFERER"], PHP_URL_HOST)));
+ if (isset($_SERVER["REMOTE_ADDR"])) $aBucketKeys[] = $_SERVER["REMOTE_ADDR"];
+ if (isset($_GET["email"])) $aBucketKeys[] = $_GET["email"];
+
+ $fBucketVal = doBucket($aBucketKeys,
+ (defined('CONST_ConnectionBucket_PageType')?constant('CONST_ConnectionBucket_Cost_'.CONST_ConnectionBucket_PageType):1) + user_busy_cost(),
+ CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
+
+ if ($fBucketVal > CONST_ConnectionBucket_WaitLimit && $fBucketVal < CONST_ConnectionBucket_BlockLimit)
+ {
+ $m = getBucketMemcache();
+ $iCurrentSleeping = $m->increment('sleepCounter');
+ if (false === $iCurrentSleeping)
+ {
+ $m->add('sleepCounter', 0);
+ $iCurrentSleeping = $m->increment('sleepCounter');
+ }
+ if ($iCurrentSleeping >= CONST_ConnectionBucket_MaxSleeping || isBucketSleeping($aBucketKeys))
+ {
+ // Too many threads sleeping already. This becomes a hard block.
+ $fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_BlockLimit, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
+ }
+ else
+ {
+ setBucketSleeping($aBucketKeys, true);
+ sleep(($fBucketVal - CONST_ConnectionBucket_WaitLimit)/CONST_ConnectionBucket_LeakRate);
+ $fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
+ setBucketSleeping($aBucketKeys, false);
+ }
+ $m->decrement('sleepCounter');
+ }
+
+ if (strpos(CONST_BlockedIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false || $fBucketVal >= CONST_ConnectionBucket_BlockLimit)
{
echo "Your IP has been blocked. \n";
echo "Please create a nominatim trac ticket (http://trac.openstreetmap.org/newticket?component=nominatim) to request this to be removed. \n";
}
header('Content-type: text/html; charset=utf-8');
+