]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/init-website.php
Merge branch 'patch-1' of https://github.com/ganeshkrishnan1/Nominatim into ganeshkri...
[nominatim.git] / lib / init-website.php
index 4ca927cfcdb38efcf11475d7e71c9838ed01cc8b..23c15ba81b3b3dc0253c0d26fc88cc2a282b8dc8 100644 (file)
@@ -2,6 +2,7 @@
 
 require_once('init.php');
 require_once('ParameterParser.php');
+require_once(CONST_Debug ? 'DebugHtml.php' : 'DebugNone.php');
 
 /***************************************************************************
  *
@@ -9,77 +10,83 @@ require_once('ParameterParser.php');
  *
  */
 
+function userError($sMsg)
+{
+    throw new Exception($sMsg, 400);
+}
+
 
-function chksql($oSql, $sMsg = "Database request failed")
+function exception_handler_html($exception)
 {
-    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".$oSql->getUserInfo()."</pre>";
+    http_response_code($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));
     }
+}
 
-    echo "</pre></p></body></html>";
-    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 failInternalError($sError, $sSQL = false, $vDumpVar = false)
+function shutdown_exception_handler_json()
 {
-    header('HTTP/1.0 500 Internal Server Error');
-    header('Content-type: text/html; charset=utf-8');
-    echo "<html><body><h1>Internal Server Error</h1>";
-    echo '<p>Nominatim has encountered an internal error while processing your request. This is most likely because of a bug in the software.</p>';
-    echo "<p><b>Details:</b> ".$sError,"</p>";
-    echo '<p>Feel free to file an issue on <a href="https://github.com/twain47/Nominatim/issues">Github</a>. 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>";
-        }
+    $error = error_get_last();
+    if ($error !== null && $error['type'] === E_ERROR) {
+        exception_handler_json(new Exception($error['message'], 500));
     }
-    echo "\n</body></html>\n";
-    exit;
 }
 
 
-function userError($sError)
+function set_exception_handler_by_format($sFormat = null)
 {
-    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>. Please include the error message above and the URL you used.</p>';
-    echo "\n</body></html>\n";
-    exit;
+    // 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();
 
 
 /***************************************************************************
@@ -87,12 +94,12 @@ function userError($sError)
  */
 
 if (CONST_NoAccessControl) {
-    header("Access-Control-Allow-Origin: *");
-    header("Access-Control-Allow-Methods: OPTIONS,GET");
+    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']);
+        header('Access-Control-Allow-Headers: '.$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
     }
 }
-if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;
+if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;
 
 if (CONST_Debug) header('Content-type: text/html; charset=utf-8');