<?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;
-
- $aBucketKeys = array();
-
- if (isset($_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 || $fBucketVal >= CONST_ConnectionBucket_BlockLimit)
- {
- header("HTTP/1.0 429 Too Many Requests");
- echo "Your IP has been blocked. \n";
- echo CONST_BlockMessage;
- exit;
- }
-
- header('Content-type: text/html; charset=utf-8');
+require_once('init.php');
+require_once('ParameterParser.php');
+
+/***************************************************************************
+ *
+ * Error handling functions
+ *
+ */
+
+
+function chksql($oSql, $sMsg = 'Database request failed')
+{
+ if (!PEAR::isError($oSql)) return $oSql;
+
+ header('HTTP/1.0 500 Internal Server Error');
+ header('Content-type: text/html; charset=utf-8');
+
+ $sSqlError = $oSql->getMessage();
+
+ echo <<<INTERNALFAIL
+<html>
+ <head><title>Internal Server Error</title></head>
+ <body>
+ <h1>Internal Server Error</h1>
+ <p>Nominatim has encountered an internal error while accessing the database.
+ This may happen because the database is broken or because of a bug in
+ the software. If you think it is a bug, feel free to report
+ it over on <a href="https://github.com/openstreetmap/Nominatim/issues">
+ Github</a>. Please include the URL that caused the problem and the
+ complete error details below.</p>
+ <p><b>Message:</b> $sMsg</p>
+ <p><b>SQL Error:</b> $sSqlError</p>
+ <p><b>Details:</b> <pre>
+INTERNALFAIL;
+
+ if (CONST_Debug) {
+ var_dump($oSql);
+ } else {
+ echo "<pre>\n".$oSql->getUserInfo().'</pre>';
+ }
+
+ echo '</pre></p></body></html>';
+ exit;
+}
+
+function failInternalError($sError, $sSQL = false, $vDumpVar = false)
+{
+ header('HTTP/1.0 500 Internal Server Error');
+ header('Content-type: text/html; charset=utf-8');
+ echo '<html><body><h1>Internal Server Error</h1>';
+ echo '<p>Nominatim has encountered an internal error while processing your request. This is most likely because of a bug in the software.</p>';
+ echo '<p><b>Details:</b> '.$sError,'</p>';
+ echo '<p>Feel free to file an issue on <a href="https://github.com/openstreetmap/Nominatim/issues">Github</a>. ';
+ echo 'Please include the error message above and the URL you used.</p>';
+ if (CONST_Debug) {
+ echo '<hr><h2>Debugging Information</h2><br>';
+ if ($sSQL) {
+ echo '<h3>SQL query</h3><code>'.$sSQL.'</code>';
+ }
+ if ($vDumpVar) {
+ echo '<h3>Result</h3> <code>';
+ var_dump($vDumpVar);
+ echo '</code>';
+ }
+ }
+ echo "\n</body></html>\n";
+ exit;
+}
+
+
+function userError($sError)
+{
+ header('HTTP/1.0 400 Bad Request');
+ header('Content-type: text/html; charset=utf-8');
+ echo '<html><body><h1>Bad Request</h1>';
+ echo '<p>Nominatim has encountered an error with your request.</p>';
+ echo '<p><b>Details:</b> '.$sError.'</p>';
+ echo '<p>If you feel this error is incorrect feel file an issue on <a href="https://github.com/openstreetmap/Nominatim/issues">Github</a>. ';
+ echo 'Please include the error message above and the URL you used.</p>';
+ echo "\n</body></html>\n";
+ exit;
+}
+
+
+/***************************************************************************
+ * HTTP Reply header setup
+ */
+
+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_Debug) header('Content-type: text/html; charset=utf-8');
projects / nominatim.git / blobdiff