<?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;
- }
-
- $aBucketKeys = array();
-
- if (isset($_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 || $fBucketVal >= CONST_ConnectionBucket_BlockLimit)
- {
- header("HTTP/1.0 429 Too Many Requests");
- echo "Your IP has been blocked. \n";
- echo CONST_BlockMessage;
- exit;
- }
-
- header('Content-type: text/html; charset=utf-8');
+require_once('init.php');
+require_once('ParameterParser.php');
+require_once(CONST_Debug ? 'DebugHtml.php' : 'DebugNone.php');
+
+/***************************************************************************
+ *
+ * Error handling functions
+ *
+ */
+
+function userError($sMsg)
+{
+ throw new Exception($sMsg, 400);
+}
+
+
+function exception_handler_html($exception)
+{
+ http_response_code($exception->getCode());
+ header('Content-type: text/html; charset=UTF-8');
+ include(CONST_BasePath.'/lib/template/error-html.php');
+ exit();
+}
+
+function exception_handler_json($exception)
+{
+ http_response_code($exception->getCode());
+ header('Content-type: application/json; charset=utf-8');
+ include(CONST_BasePath.'/lib/template/error-json.php');
+ exit();
+}
+
+function exception_handler_xml($exception)
+{
+ http_response_code($exception->getCode());
+ header('Content-type: text/xml; charset=utf-8');
+ echo '<?xml version="1.0" encoding="UTF-8" ?>'."\n";
+ include(CONST_BasePath.'/lib/template/error-xml.php');
+ exit();
+}
+
+function shutdown_exception_handler_html()
+{
+ $error = error_get_last();
+ if ($error !== null && $error['type'] === E_ERROR) {
+ exception_handler_html(new Exception($error['message'], 500));
+ }
+}
+
+function shutdown_exception_handler_xml()
+{
+ $error = error_get_last();
+ if ($error !== null && $error['type'] === E_ERROR) {
+ exception_handler_xml(new Exception($error['message'], 500));
+ }
+}
+
+function shutdown_exception_handler_json()
+{
+ $error = error_get_last();
+ if ($error !== null && $error['type'] === E_ERROR) {
+ exception_handler_json(new Exception($error['message'], 500));
+ }
+}
+
+
+function set_exception_handler_by_format($sFormat = null)
+{
+ // Multiple calls to register_shutdown_function will cause multiple callbacks
+ // to be executed, we only want the last executed. Thus we don't want to register
+ // one by default without an explicit $sFormat set.
+
+ if (!isset($sFormat)) {
+ set_exception_handler('exception_handler_html');
+ } elseif ($sFormat == 'html') {
+ set_exception_handler('exception_handler_html');
+ register_shutdown_function('shutdown_exception_handler_html');
+ } elseif ($sFormat == 'xml') {
+ set_exception_handler('exception_handler_xml');
+ register_shutdown_function('shutdown_exception_handler_xml');
+ } else {
+ set_exception_handler('exception_handler_json');
+ register_shutdown_function('shutdown_exception_handler_json');
+ }
+}
+// set a default
+set_exception_handler_by_format();
+
+
+/***************************************************************************
+ * 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 (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;
+
+if (CONST_Debug) header('Content-type: text/html; charset=utf-8');
projects / nominatim.git / blobdiff