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add osm2pgsql update tests
[nominatim.git] / lib / init-website.php
diff --git a/lib/init-website.php b/lib/init-website.php
index fff33936dc6d688b4ce4d54cfe62bd585221661c..967c6cce7c4ea7b2dcca0da0a38badef5fc6f3dc 100644 (file)
--- a/lib/init-website.php
+++ b/lib/init-website.php
@@ -1,58 +1,100 @@
 <?php
 <?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/twain47/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/twain47/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/twain47/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');
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