X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/357a99c0ef86cd4d3276c7dd215b58f78640515a..d442bf904b68d26dd7daf62746919475ce5a151a:/lib/init-website.php

diff --git a/lib/init-website.php b/lib/init-website.php
index 013aee4b..302a9478 100644
--- a/lib/init-website.php
+++ b/lib/init-website.php
@@ -1,16 +1,86 @@
 <?php
-	require_once('init.php');
-
-	if (CONST_NoAccessControl)
-	{
-		header("Access-Control-Allow-Origin: *");
-		header("Access-Control-Allow-Methods: OPTIONS,GET");
-		header("Access-Control-Max-Age: 8640000");
-		if (!empty($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
-		{
-			header("Access-Control-Allow-Headers: ".$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
-		}
-	}
-	if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;
-
-    header('Content-type: text/html; charset=utf-8');
+
+require_once('init.php');
+require_once('ParameterParser.php');
+require_once(CONST_Debug ? 'DebugHtml.php' : 'DebugNone.php');
+
+/***************************************************************************
+ *
+ * Error handling functions
+ *
+ */
+
+function userError($sMsg)
+{
+    throw new Exception($sMsg, 400);
+}
+
+
+function exception_handler_json($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_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_json');
+    } 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');