Finishes error reworking.

1 files changed, 83 insertions, 0 deletions

diff --git a/inc/error.php b/inc/error.php
new file mode 100644
index 00000000..9452e393
--- /dev/null
+++ b/inc/error.php
@@ -0,0 +1,83 @@
+<?PHP
+
+function error_handler($errno,$errstr,$errfile, $errline, $errcontext){
+	if(error_reporting() & $errno){
+		error($errstr . ' in ' . $errfile . ' at line ' . $errline);
+	}
+	return false;
+}
+
+set_error_handler('error_handler');
+
+function exception_handler(Exception $e){
+	error($e->getMessage());
+}
+
+set_exception_handler('exception_handler');
+
+$error_recursion=false;
+
+function error($message, $priority = true, $debug_stuff = false) {
+	global $board, $mod, $config, $db_error, $error_recursion;
+	if($error_recursion!==false){
+		die("Error recursion detected with " . $message . "<br>Original error:".$error_recursion);
+	}
+	$error_recursion=$message;
+	
+	if(!empty($config)){
+	
+		if ($config['syslog'] && $priority !== false) {
+			// Use LOG_NOTICE instead of LOG_ERR or LOG_WARNING because most error message are not significant.
+			_syslog($priority !== true ? $priority : LOG_NOTICE, $message);
+		}
+
+		if (defined('STDIN')) {
+			// Running from CLI
+			echo('Error: ' . $message . "\n");
+			debug_print_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+			die();
+		}
+
+		if ($config['debug']) {
+			$debug_stuff=array();
+			if(isset($db_error)){
+				$debug_stuff = array_combine(array('SQLSTATE', 'Error code', 'Error message'), $db_error);
+			}
+			$debug_stuff['backtrace'] = debug_backtrace();
+			$pw = $config['db']['password'];
+			$debug_callback = function(&$item) use (&$debug_callback, $pw) {
+				if (is_array($item)) {
+					return array_map($item, $debug_callback);
+				}
+				return ($item == $pw ? 'hunter2' : $item);
+			};
+			$debug_stuff = array_map($debug_stuff, $debug_callback);
+		}
+	}
+
+	// Is there a reason to disable this?
+	if (isset($_POST['json_response'])) {
+		header('Content-Type: text/json; charset=utf-8');
+		$data=array('error'=>$message);
+		if(!empty($config) && $config['debug']){
+			$data['debug']=$debug_stuff;
+		}
+		print json_encode($data);
+		exit();
+	}
+
+	header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
+	
+	die(Element('page.html', array(
+		'config' => $config,
+		'title' => _('Error'),
+		'subtitle' => _('An error has occured.'),
+		'body' => Element('error.html', array(
+			'config' => $config,
+			'message' => $message,
+			'mod' => $mod,
+			'board' => isset($board) ? $board : false,
+			'debug' => str_replace("\n", '&#10;', utf8tohtml(print_r($debug_stuff, true)))
+		))
+	)));
+}