mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-27 15:05:28 +03:00
51 lines
2.1 KiB
PHP
51 lines
2.1 KiB
PHP
<?php
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require_once('init.php');
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if (CONST_ClosedForIndexing && strpos(CONST_ClosedForIndexingExceptionIPs, ','.$_SERVER["REMOTE_ADDR"].',') === false)
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{
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echo "Closed for re-indexing...";
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exit;
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}
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$aBucketKeys = array();
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if (isset($_SERVER["HTTP_REFERER"])) $aBucketKeys[] = str_replace('www.','',strtolower(parse_url($_SERVER["HTTP_REFERER"], PHP_URL_HOST)));
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if (isset($_SERVER["REMOTE_ADDR"])) $aBucketKeys[] = $_SERVER["REMOTE_ADDR"];
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if (isset($_GET["email"])) $aBucketKeys[] = $_GET["email"];
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$fBucketVal = doBucket($aBucketKeys,
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(defined('CONST_ConnectionBucket_PageType')?constant('CONST_ConnectionBucket_Cost_'.CONST_ConnectionBucket_PageType):1) + user_busy_cost(),
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CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
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if ($fBucketVal > CONST_ConnectionBucket_WaitLimit && $fBucketVal < CONST_ConnectionBucket_BlockLimit)
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{
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$m = getBucketMemcache();
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$iCurrentSleeping = $m->increment('sleepCounter');
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if (false === $iCurrentSleeping)
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{
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$m->add('sleepCounter', 0);
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$iCurrentSleeping = $m->increment('sleepCounter');
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}
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if ($iCurrentSleeping >= CONST_ConnectionBucket_MaxSleeping)
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{
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// Too many threads sleeping already. This becomes a hard block.
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$fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_BlockLimit, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
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}
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else
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{
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sleep(($fBucketVal - CONST_ConnectionBucket_WaitLimit)/CONST_ConnectionBucket_LeakRate);
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$fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
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}
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$m->decrement('sleepCounter');
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}
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if (strpos(CONST_BlockedIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false || $fBucketVal >= CONST_ConnectionBucket_BlockLimit)
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{
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echo "Your IP has been blocked. \n";
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echo "Please create a nominatim trac ticket (http://trac.openstreetmap.org/newticket?component=nominatim) to request this to be removed. \n";
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echo "Information on the Nominatim usage policy can be found here: http://wiki.openstreetmap.org/wiki/Nominatim#Usage_Policy \n";
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exit;
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}
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header('Content-type: text/html; charset=utf-8');
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