/core/Error.php
PHP | 222 lines | 144 code | 23 blank | 55 comment | 13 complexity | c3d78ad96b3f09169a4a972066f69d75 MD5 | raw file
Possible License(s): LGPL-3.0, JSON, MIT, GPL-3.0, LGPL-2.1, GPL-2.0, AGPL-1.0, BSD-2-Clause, BSD-3-Clause
- <?php
- /**
- * Piwik - free/libre analytics platform
- *
- * @link http://piwik.org
- * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
- *
- */
- namespace Piwik;
- require_once PIWIK_INCLUDE_PATH . '/core/Log.php';
- /**
- * Holds PHP error information (non-exception errors). Also contains log formatting logic
- * for PHP errors and Piwik's error handler function.
- */
- class Error
- {
- /**
- * The backtrace string to use when testing.
- *
- * @var string
- */
- public static $debugBacktraceForTests = null;
- /**
- * The error number. See http://php.net/manual/en/errorfunc.constants.php#errorfunc.constants.errorlevels
- *
- * @var int
- */
- public $errno;
- /**
- * The error message.
- *
- * @var string
- */
- public $errstr;
- /**
- * The file in which the error occurred.
- *
- * @var string
- */
- public $errfile;
- /**
- * The line number on which the error occurred.
- *
- * @var int
- */
- public $errline;
- /**
- * The error backtrace.
- *
- * @var string
- */
- public $backtrace;
- /**
- * Constructor.
- *
- * @param int $errno
- * @param string $errstr
- * @param string $errfile
- * @param int $errline
- * @param string $backtrace
- */
- public function __construct($errno, $errstr, $errfile, $errline, $backtrace)
- {
- $this->errno = $errno;
- $this->errstr = $errstr;
- $this->errfile = $errfile;
- $this->errline = $errline;
- $this->backtrace = $backtrace;
- }
- public function getErrNoString()
- {
- switch ($this->errno) {
- case E_ERROR:
- return "Error";
- case E_WARNING:
- return "Warning";
- case E_PARSE:
- return "Parse Error";
- case E_NOTICE:
- return "Notice";
- case E_CORE_ERROR:
- return "Core Error";
- case E_CORE_WARNING:
- return "Core Warning";
- case E_COMPILE_ERROR:
- return "Compile Error";
- case E_COMPILE_WARNING:
- return "Compile Warning";
- case E_USER_ERROR:
- return "User Error";
- case E_USER_WARNING:
- return "User Warning";
- case E_USER_NOTICE:
- return "User Notice";
- case E_STRICT:
- return "Strict Notice";
- case E_RECOVERABLE_ERROR:
- return "Recoverable Error";
- case E_DEPRECATED:
- return "Deprecated";
- case E_USER_DEPRECATED:
- return "User Deprecated";
- default:
- return "Unknown error ({$this->errno})";
- }
- }
- public static function formatFileAndDBLogMessage(&$message, $level, $tag, $datetime, $log)
- {
- if ($message instanceof Error) {
- $message = $message->errfile . '(' . $message->errline . '): ' . $message->getErrNoString()
- . ' - ' . $message->errstr . "\n" . $message->backtrace;
- $message = $log->formatMessage($level, $tag, $datetime, $message);
- }
- }
- public static function formatScreenMessage(&$message, $level, $tag, $datetime, $log)
- {
- if ($message instanceof Error) {
- $errno = $message->errno & error_reporting();
- // problem when using error_reporting with the @ silent fail operator
- // it gives an errno 0, and in this case the objective is to NOT display anything on the screen!
- // is there any other case where the errno is zero at this point?
- if ($errno == 0) {
- $message = false;
- return;
- }
- if (!Common::isPhpCliMode()) {
- @header('Content-Type: text/html; charset=utf-8');
- }
- $htmlString = '';
- $htmlString .= "\n<div style='word-wrap: break-word; border: 3px solid red; padding:4px; width:70%; background-color:#FFFF96;'>
- <strong>There is an error. Please report the message (Piwik " . (class_exists('Piwik\Version') ? Version::VERSION : '') . ")
- 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 first as it might have been reported already!).<br /><br/>
- ";
- $htmlString .= $message->getErrNoString();
- $htmlString .= ":</strong> <em>{$message->errstr}</em> in <strong>{$message->errfile}</strong>";
- $htmlString .= " on line <strong>{$message->errline}</strong>\n";
- $htmlString .= "<br /><br />Backtrace --><div style=\"font-family:Courier;font-size:10pt\"><br />\n";
- $htmlString .= str_replace("\n", "<br />\n", $message->backtrace);
- $htmlString .= "</div><br />";
- $htmlString .= "\n </pre></div><br />";
- $message = $htmlString;
- }
- }
- public static function setErrorHandler()
- {
- Piwik::addAction('Log.formatFileMessage', array('\\Piwik\\Error', 'formatFileAndDBLogMessage'));
- Piwik::addAction('Log.formatDatabaseMessage', array('\\Piwik\\Error', 'formatFileAndDBLogMessage'));
- Piwik::addAction('Log.formatScreenMessage', array('\\Piwik\\Error', 'formatScreenMessage'));
- set_error_handler(array('\\Piwik\\Error', 'errorHandler'));
- }
- public static function errorHandler($errno, $errstr, $errfile, $errline)
- {
- // if the error has been suppressed by the @ we don't handle the error
- if (error_reporting() == 0) {
- return;
- }
- $backtrace = '';
- if (empty(self::$debugBacktraceForTests)) {
- $bt = @debug_backtrace();
- if ($bt !== null && isset($bt[0])) {
- foreach ($bt as $i => $debug) {
- $backtrace .= "#$i "
- . (isset($debug['class']) ? $debug['class'] : '')
- . (isset($debug['type']) ? $debug['type'] : '')
- . (isset($debug['function']) ? $debug['function'] : '')
- . '(...) called at ['
- . (isset($debug['file']) ? $debug['file'] : '') . ':'
- . (isset($debug['line']) ? $debug['line'] : '') . ']' . "\n";
- }
- }
- } else {
- $backtrace = self::$debugBacktraceForTests;
- }
- $error = new Error($errno, $errstr, $errfile, $errline, $backtrace);
- Log::error($error);
- switch ($errno) {
- case E_ERROR:
- case E_PARSE:
- case E_CORE_ERROR:
- case E_CORE_WARNING:
- case E_COMPILE_ERROR:
- case E_COMPILE_WARNING:
- case E_USER_ERROR:
- exit;
- break;
- case E_WARNING:
- case E_NOTICE:
- case E_USER_WARNING:
- case E_USER_NOTICE:
- case E_STRICT:
- case E_RECOVERABLE_ERROR:
- case E_DEPRECATED:
- case E_USER_DEPRECATED:
- default:
- // do not exit
- break;
- }
- }
- }