1: <?php
  2: /**
  3:  * Slim - a micro PHP 5 framework
  4:  *
  5:  * @author      Josh Lockhart <info@slimframework.com>
  6:  * @copyright   2011 Josh Lockhart
  7:  * @link        http://www.slimframework.com
  8:  * @license     http://www.slimframework.com/license
  9:  * @version     2.2.0
 10:  * @package     Slim
 11:  *
 12:  * MIT LICENSE
 13:  *
 14:  * Permission is hereby granted, free of charge, to any person obtaining
 15:  * a copy of this software and associated documentation files (the
 16:  * "Software"), to deal in the Software without restriction, including
 17:  * without limitation the rights to use, copy, modify, merge, publish,
 18:  * distribute, sublicense, and/or sell copies of the Software, and to
 19:  * permit persons to whom the Software is furnished to do so, subject to
 20:  * the following conditions:
 21:  *
 22:  * The above copyright notice and this permission notice shall be
 23:  * included in all copies or substantial portions of the Software.
 24:  *
 25:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 26:  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 27:  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 28:  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 29:  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 30:  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 31:  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 32:  */
 33: namespace Slim\Middleware;
 34: 
 35: /**
 36:  * Pretty Exceptions
 37:  *
 38:  * This middleware catches any Exception thrown by the surrounded
 39:  * application and displays a developer-friendly diagnostic screen.
 40:  *
 41:  * @package Slim
 42:  * @author  Josh Lockhart
 43:  * @since   1.0.0
 44:  */
 45: class PrettyExceptions extends \Slim\Middleware
 46: {
 47:     /**
 48:      * @var array
 49:      */
 50:     protected $settings;
 51: 
 52:     /**
 53:      * Constructor
 54:      * @param array $settings
 55:      */
 56:     public function __construct($settings = array())
 57:     {
 58:         $this->settings = $settings;
 59:     }
 60: 
 61:     /**
 62:      * Call
 63:      */
 64:     public function call()
 65:     {
 66:         try {
 67:             $this->next->call();
 68:         } catch (\Exception $e) {
 69:             $env = $this->app->environment();
 70:             $env['slim.log']->error($e);
 71:             $this->app->contentType('text/html');
 72:             $this->app->response()->status(500);
 73:             $this->app->response()->body($this->renderBody($env, $e));
 74:         }
 75:     }
 76: 
 77:     /**
 78:      * Render response body
 79:      * @param  array      $env
 80:      * @param  \Exception $exception
 81:      * @return string
 82:      */
 83:     protected function renderBody(&$env, $exception)
 84:     {
 85:         $title = 'Slim Application Error';
 86:         $code = $exception->getCode();
 87:         $message = $exception->getMessage();
 88:         $file = $exception->getFile();
 89:         $line = $exception->getLine();
 90:         $trace = $exception->getTraceAsString();
 91:         $html = sprintf('<h1>%s</h1>', $title);
 92:         $html .= '<p>The application could not run because of the following error:</p>';
 93:         $html .= '<h2>Details</h2>';
 94:         $html .= sprintf('<div><strong>Type:</strong> %s</div>', get_class($exception));
 95:         if ($code) {
 96:             $html .= sprintf('<div><strong>Code:</strong> %s</div>', $code);
 97:         }
 98:         if ($message) {
 99:             $html .= sprintf('<div><strong>Message:</strong> %s</div>', $message);
100:         }
101:         if ($file) {
102:             $html .= sprintf('<div><strong>File:</strong> %s</div>', $file);
103:         }
104:         if ($line) {
105:             $html .= sprintf('<div><strong>Line:</strong> %s</div>', $line);
106:         }
107:         if ($trace) {
108:             $html .= '<h2>Trace</h2>';
109:             $html .= sprintf('<pre>%s</pre>', $trace);
110:         }
111: 
112:         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);
113:     }
114: }
115: