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<?php
/**
* Slim - a micro PHP 5 framework
*
* @author Josh Lockhart <info@slimframework.com>
* @copyright 2011 Josh Lockhart
* @link http://www.slimframework.com
* @license http://www.slimframework.com/license
* @version 2.6.1
* @package Slim
*
* MIT LICENSE
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
namespace Slim\Middleware;
/**
* Pretty Exceptions
*
* This middleware catches any Exception thrown by the surrounded
* application and displays a developer-friendly diagnostic screen.
*
* @package Slim
* @author Josh Lockhart
* @since 1.0.0
*/
class PrettyExceptions extends \Slim\Middleware
{
/**
* @var array
*/
protected $settings;
/**
* Constructor
* @param array $settings
*/
public function __construct($settings = array())
{
$this->settings = $settings;
}
/**
* Call
*/
public function call()
{
try {
$this->next->call();
} catch (\Exception $e) {
$log = $this->app->getLog(); // Force Slim to append log to env if not already
$env = $this->app->environment();
$env['slim.log'] = $log;
$env['slim.log']->error($e);
$this->app->contentType('text/html');
$this->app->response()->status(500);
$this->app->response()->body($this->renderBody($env, $e));
}
}
/**
* Render response body
* @param array $env
* @param \Exception $exception
* @return string
*/
protected function renderBody(&$env, $exception)
{
$title = 'Slim Application Error';
$code = $exception->getCode();
$message = $exception->getMessage();
$file = $exception->getFile();
$line = $exception->getLine();
$trace = str_replace(array('#', "\n"), array('<div>#', '</div>'), $exception->getTraceAsString());
$html = sprintf('<h1>%s</h1>', $title);
$html .= '<p>The application could not run because of the following error:</p>';
$html .= '<h2>Details</h2>';
$html .= sprintf('<div><strong>Type:</strong> %s</div>', get_class($exception));
if ($code) {
$html .= sprintf('<div><strong>Code:</strong> %s</div>', $code);
}
if ($message) {
$html .= sprintf('<div><strong>Message:</strong> %s</div>', $message);
}
if ($file) {
$html .= sprintf('<div><strong>File:</strong> %s</div>', $file);
}
if ($line) {
$html .= sprintf('<div><strong>Line:</strong> %s</div>', $line);
}
if ($trace) {
$html .= '<h2>Trace</h2>';
$html .= sprintf('<pre>%s</pre>', $trace);
}
return sprintf("<html><head><title>%s</title><style>body{margin:0;padding:30px;font:12px/1.5 Helvetica,Arial,Verdana,sans-serif;}h1{margin:0;font-size:48px;font-weight:normal;line-height:48px;}strong{display:inline-block;width:65px;}</style></head><body>%s</body></html>", $title, $html);
}
}
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