135 lines
4.5 KiB
PHP
135 lines
4.5 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik;
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use Piwik\Exception\ErrorException;
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/**
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* Piwik's error handler function.
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*/
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class ErrorHandler
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{
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/**
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* Returns a string description of a PHP error number.
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*
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* @param int $errno `E_ERROR`, `E_WARNING`, `E_PARSE`, etc.
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* @return string
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*/
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public static function getErrNoString($errno)
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{
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switch ($errno) {
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case E_ERROR:
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return "Error";
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case E_WARNING:
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return "Warning";
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case E_PARSE:
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return "Parse Error";
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case E_NOTICE:
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return "Notice";
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case E_CORE_ERROR:
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return "Core Error";
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case E_CORE_WARNING:
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return "Core Warning";
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case E_COMPILE_ERROR:
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return "Compile Error";
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case E_COMPILE_WARNING:
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return "Compile Warning";
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case E_USER_ERROR:
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return "User Error";
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case E_USER_WARNING:
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return "User Warning";
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case E_USER_NOTICE:
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return "User Notice";
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case E_STRICT:
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return "Strict Notice";
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case E_RECOVERABLE_ERROR:
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return "Recoverable Error";
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case E_DEPRECATED:
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return "Deprecated";
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case E_USER_DEPRECATED:
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return "User Deprecated";
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default:
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return "Unknown error ($errno)";
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}
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}
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public static function registerErrorHandler()
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{
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set_error_handler(array('Piwik\ErrorHandler', 'errorHandler'));
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}
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public static function errorHandler($errno, $errstr, $errfile, $errline)
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{
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// if the error has been suppressed by the @ we don't handle the error
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if (error_reporting() == 0) {
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return;
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}
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switch ($errno) {
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case E_ERROR:
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case E_PARSE:
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case E_CORE_ERROR:
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case E_CORE_WARNING:
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case E_COMPILE_ERROR:
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case E_COMPILE_WARNING:
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case E_USER_ERROR:
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Common::sendResponseCode(500);
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// Convert the error to an exception with an HTML message
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$e = new \Exception();
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$message = self::getHtmlMessage($errno, $errstr, $errfile, $errline, $e->getTraceAsString());
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throw new ErrorException($message, 0, $errno, $errfile, $errline);
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break;
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case E_WARNING:
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case E_NOTICE:
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case E_USER_WARNING:
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case E_USER_NOTICE:
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case E_STRICT:
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case E_RECOVERABLE_ERROR:
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case E_DEPRECATED:
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case E_USER_DEPRECATED:
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default:
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try {
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Log::warning(self::createLogMessage($errno, $errstr, $errfile, $errline));
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} catch (\Exception $ex) {
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// ignore (it's possible for this to happen if the StaticContainer hasn't been created yet)
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}
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break;
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}
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}
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private static function createLogMessage($errno, $errstr, $errfile, $errline)
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{
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return sprintf(
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"%s(%d): %s - %s - Piwik " . (class_exists('Piwik\Version') ? Version::VERSION : '') . " - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)",
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$errfile,
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$errline,
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ErrorHandler::getErrNoString($errno),
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$errstr
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);
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}
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private static function getHtmlMessage($errno, $errstr, $errfile, $errline, $trace)
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{
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$trace = Log::$debugBacktraceForTests ?: $trace;
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$message = ErrorHandler::getErrNoString($errno) . ' - ' . $errstr;
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$html = "<p>There is an error. Please report the message (Piwik " . (class_exists('Piwik\Version') ? Version::VERSION : '') . ")
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and full backtrace in the <a href='?module=Proxy&action=redirect&url=http://forum.piwik.org' target='_blank'>Piwik forums</a> (please do a Search firit might have been reported already!).</p>";
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$html .= "<p><strong>{$message}</strong> in <em>{$errfile}</em>";
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$html .= " on line {$errline}</p>";
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$html .= "Backtrace:<pre>";
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$html .= str_replace("\n", "\n", $trace);
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$html .= "</pre>";
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return $html;
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}
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}
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