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326 lines
8.7 KiB
326 lines
8.7 KiB
7 years ago
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<?php
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/**
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* Part of the Fuel framework.
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*
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* @package Fuel
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* @version 1.8
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* @author Fuel Development Team
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* @license MIT License
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* @copyright 2010 - 2016 Fuel Development Team
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* @link http://fuelphp.com
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*/
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namespace Fuel\Core;
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/**
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* Exception class for standard PHP errors, this will make them catchable
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*/
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class PhpErrorException extends \ErrorException
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{
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public static $count = 0;
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public static $loglevel = \Fuel::L_ERROR;
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/**
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* Allow the error handler from recovering from error types defined in the config
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*/
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public function recover()
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{
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// handle the error based on the config and the environment we're in
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if (static::$count <= \Config::get('errors.throttle', 10))
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{
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logger(static::$loglevel, $this->code.' - '.$this->message.' in '.$this->file.' on line '.$this->line);
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if (\Fuel::$env != \Fuel::PRODUCTION and ($this->code & error_reporting()) == $this->code)
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{
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static::$count++;
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\Errorhandler::exception_handler(new \ErrorException($this->message, $this->code, 0, $this->file, $this->line));
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}
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}
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elseif (\Fuel::$env != \Fuel::PRODUCTION
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and static::$count == (\Config::get('errors.throttle', 10) + 1)
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and ($this->severity & error_reporting()) == $this->severity)
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{
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static::$count++;
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\Errorhandler::notice('Error throttling threshold was reached, no more full error reports are shown.', true);
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}
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}
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}
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/**
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*
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*/
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class Errorhandler
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{
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public static $loglevel = \Fuel::L_ERROR;
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public static $levels = array(
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0 => 'Error',
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E_ERROR => 'Fatal Error',
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E_WARNING => 'Warning',
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E_PARSE => 'Parsing Error',
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E_NOTICE => 'Notice',
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E_CORE_ERROR => 'Core Error',
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E_CORE_WARNING => 'Core Warning',
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E_COMPILE_ERROR => 'Compile Error',
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E_COMPILE_WARNING => 'Compile Warning',
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E_USER_ERROR => 'User Error',
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E_USER_WARNING => 'User Warning',
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E_USER_NOTICE => 'User Notice',
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E_STRICT => 'Runtime Notice',
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E_RECOVERABLE_ERROR => 'Runtime Recoverable error',
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E_DEPRECATED => 'Runtime Deprecated code usage',
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E_USER_DEPRECATED => 'User Deprecated code usage',
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);
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public static $fatal_levels = array(E_PARSE, E_ERROR, E_USER_ERROR, E_COMPILE_ERROR);
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public static $non_fatal_cache = array();
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/**
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* Native PHP shutdown handler
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*
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* @return string
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*/
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public static function shutdown_handler()
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{
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$last_error = error_get_last();
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// Only show valid fatal errors
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if ($last_error AND in_array($last_error['type'], static::$fatal_levels))
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{
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$severity = static::$levels[$last_error['type']];
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logger(static::$loglevel, $severity.' - '.$last_error['message'].' in '.$last_error['file'].' on line '.$last_error['line']);
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$error = new \ErrorException($last_error['message'], $last_error['type'], 0, $last_error['file'], $last_error['line']);
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if (\Fuel::$env != \Fuel::PRODUCTION)
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{
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static::show_php_error($error);
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}
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else
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{
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static::show_production_error($error);
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}
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exit(1);
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}
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}
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/**
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* PHP Exception handler
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*
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* @param Exception $e the exception
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* @return bool
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*/
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public static function exception_handler($e)
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{
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// make sure we've got something useful passed
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if ($e instanceOf \Exception or (PHP_VERSION_ID >= 70000 and $e instanceOf \Error))
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{
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if (method_exists($e, 'handle'))
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{
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return $e->handle();
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}
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$severity = ( ! isset(static::$levels[$e->getCode()])) ? $e->getCode() : static::$levels[$e->getCode()];
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logger(static::$loglevel, $severity.' - '.$e->getMessage().' in '.$e->getFile().' on line '.$e->getLine());
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if (\Fuel::$env != \Fuel::PRODUCTION)
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{
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static::show_php_error($e);
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}
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else
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{
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static::show_production_error($e);
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}
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}
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else
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{
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die('Something was passed to the Exception handler that was neither an Error or an Exception !!!');
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}
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return true;
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}
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/**
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* PHP Error handler
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*
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* @param int $severity the severity code
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* @param string $message the error message
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* @param string $filepath the path to the file throwing the error
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* @param int $line the line number of the error
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* @return bool whether to continue with execution
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*/
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public static function error_handler($severity, $message, $filepath, $line)
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{
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// don't do anything if error reporting is disabled
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if (error_reporting() !== 0)
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{
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$fatal = (bool) ( ! in_array($severity, \Config::get('errors.continue_on', array())));
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if ($fatal)
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{
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throw new \PhpErrorException($message, $severity, 0, $filepath, $line);
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}
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else
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{
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// non-fatal, recover from the error
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$e = new \PhpErrorException($message, $severity, 0, $filepath, $line);
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$e->recover();
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}
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}
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return true;
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}
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/**
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* Shows a small notice error, only when not in production or when forced.
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* This is used by several libraries to notify the developer of certain things.
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*
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* @param string $msg the message to display
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* @param bool $always_show whether to force display the notice or not
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* @return void
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*/
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public static function notice($msg, $always_show = false)
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{
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$trace = array_merge(array('file' => '(unknown)', 'line' => '(unknown)'), \Arr::get(debug_backtrace(), 1));
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logger(\Fuel::L_DEBUG, 'Notice - '.$msg.' in '.$trace['file'].' on line '.$trace['line']);
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if (\Fuel::$is_test or ( ! $always_show and (\Fuel::$env == \Fuel::PRODUCTION or \Config::get('errors.notices', true) === false)))
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{
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return;
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}
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$data['message'] = $msg;
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$data['type'] = 'Notice';
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$data['filepath'] = \Fuel::clean_path($trace['file']);
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$data['line'] = $trace['line'];
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$data['function'] = $trace['function'];
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echo \View::forge('errors'.DS.'php_short', $data, false);
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}
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/**
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* Shows an error. It will stop script execution if the error code is not
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* in the errors.continue_on whitelist.
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*
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* @param Exception $e the exception to show
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* @return void
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*/
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protected static function show_php_error($e)
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{
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$fatal = (bool) ( ! in_array($e->getCode(), \Config::get('errors.continue_on', array())));
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$data = static::prepare_exception($e, $fatal);
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if ($fatal)
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{
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$data['contents'] = ob_get_contents();
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while (ob_get_level() > 0)
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{
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ob_end_clean();
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}
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ob_start(\Config::get('ob_callback', null));
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}
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else
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{
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static::$non_fatal_cache[] = $data;
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}
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if (\Fuel::$is_cli)
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{
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\Cli::write(\Cli::color($data['severity'].' - '.$data['message'].' in '.\Fuel::clean_path($data['filepath']).' on line '.$data['error_line'], 'red'));
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if (\Config::get('cli_backtrace'))
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{
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\Cli::write('Stack trace:');
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\Cli::write(\Debug::backtrace($e->getTrace()));
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}
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return;
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}
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if ($fatal)
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{
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if ( ! headers_sent())
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{
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$protocol = \Input::server('SERVER_PROTOCOL') ? \Input::server('SERVER_PROTOCOL') : 'HTTP/1.1';
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header($protocol.' 500 Internal Server Error');
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}
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$data['non_fatal'] = static::$non_fatal_cache;
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try
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{
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exit(\View::forge('errors'.DS.'php_fatal_error', $data, false));
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}
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catch (\FuelException $view_exception)
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{
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exit($data['severity'].' - '.$data['message'].' in '.\Fuel::clean_path($data['filepath']).' on line '.$data['error_line']);
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}
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}
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try
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{
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echo \View::forge('errors'.DS.'php_error', $data, false);
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}
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catch (\FuelException $e)
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{
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echo $e->getMessage().'<br />';
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}
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}
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/**
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* Shows the errors/production view and exits. This only gets
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* called when an error occurs in production mode.
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*
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* @return void
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*/
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protected static function show_production_error($e)
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{
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// when we're on CLI, always show the php error
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if (\Fuel::$is_cli)
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{
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return static::show_php_error($e);
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}
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if ( ! headers_sent())
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{
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$protocol = \Input::server('SERVER_PROTOCOL') ? \Input::server('SERVER_PROTOCOL') : 'HTTP/1.1';
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header($protocol.' 500 Internal Server Error');
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}
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exit(\View::forge('errors'.DS.'production'));
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}
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protected static function prepare_exception($e, $fatal = true)
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{
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$data = array();
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$data['type'] = get_class($e);
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$data['severity'] = $e->getCode();
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$data['message'] = $e->getMessage();
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$data['filepath'] = $e->getFile();
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$data['error_line'] = $e->getLine();
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$data['backtrace'] = $e->getTrace();
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$data['severity'] = ( ! isset(static::$levels[$data['severity']])) ? $data['severity'] : static::$levels[$data['severity']];
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foreach ($data['backtrace'] as $key => $trace)
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{
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if ( ! isset($trace['file']))
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{
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unset($data['backtrace'][$key]);
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}
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elseif ($trace['file'] == COREPATH.'classes/error.php')
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{
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unset($data['backtrace'][$key]);
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}
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}
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$data['debug_lines'] = \Debug::file_lines($data['filepath'], $data['error_line'], $fatal);
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$data['orig_filepath'] = $data['filepath'];
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$data['filepath'] = \Fuel::clean_path($data['filepath']);
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$data['filepath'] = str_replace("\\", "/", $data['filepath']);
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return $data;
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}
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}
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