[126] | 1 | <?php |
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| 2 | /** |
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| 3 | * Framework debugging and PHP error-handling class |
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| 4 | * |
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| 5 | * Provides enhanced logging, stack traces, and rendering debug views |
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| 6 | * |
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| 7 | * PHP versions 4 and 5 |
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| 8 | * |
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| 9 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) |
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| 10 | * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
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| 11 | * |
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| 12 | * Licensed under The MIT License |
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| 13 | * Redistributions of files must retain the above copyright notice. |
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| 14 | * |
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| 15 | * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
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| 16 | * @link http://cakephp.org CakePHP(tm) Project |
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| 17 | * @package cake |
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| 18 | * @subpackage cake.cake.libs |
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| 19 | * @since CakePHP(tm) v 1.2.4560 |
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| 20 | * @license MIT License (http://www.opensource.org/licenses/mit-license.php) |
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| 21 | */ |
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| 22 | |
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| 23 | /** |
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| 24 | * Included libraries. |
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| 25 | * |
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| 26 | */ |
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| 27 | if (!class_exists('Object')) { |
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| 28 | require_once LIBS . 'object.php'; |
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| 29 | } |
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| 30 | if (!class_exists('CakeLog')) { |
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| 31 | require_once LIBS . 'cake_log.php'; |
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| 32 | } |
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| 33 | if (!class_exists('String')) { |
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| 34 | require_once LIBS . 'string.php'; |
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| 35 | } |
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| 36 | |
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| 37 | /** |
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| 38 | * Provide custom logging and error handling. |
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| 39 | * |
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| 40 | * Debugger overrides PHP's default error handling to provide stack traces and enhanced logging |
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| 41 | * |
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| 42 | * @package cake |
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| 43 | * @subpackage cake.cake.libs |
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| 44 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 45 | */ |
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| 46 | class Debugger extends Object { |
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| 47 | |
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| 48 | /** |
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| 49 | * A list of errors generated by the application. |
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| 50 | * |
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| 51 | * @var array |
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| 52 | * @access public |
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| 53 | */ |
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| 54 | var $errors = array(); |
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| 55 | |
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| 56 | /** |
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| 57 | * Contains the base URL for error code documentation. |
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| 58 | * |
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| 59 | * @var string |
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| 60 | * @access public |
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| 61 | */ |
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| 62 | var $helpPath = null; |
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| 63 | |
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| 64 | /** |
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| 65 | * The current output format. |
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| 66 | * |
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| 67 | * @var string |
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| 68 | * @access protected |
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| 69 | */ |
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| 70 | var $_outputFormat = 'js'; |
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| 71 | |
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| 72 | /** |
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| 73 | * Templates used when generating trace or error strings. Can be global or indexed by the format |
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| 74 | * value used in $_outputFormat. |
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| 75 | * |
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| 76 | * @var string |
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| 77 | * @access protected |
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| 78 | */ |
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| 79 | var $_templates = array( |
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| 80 | 'log' => array( |
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| 81 | 'trace' => '{:reference} - {:path}, line {:line}', |
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| 82 | 'error' => "{:error} ({:code}): {:description} in [{:file}, line {:line}]" |
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| 83 | ), |
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| 84 | 'js' => array( |
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| 85 | 'error' => '', |
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| 86 | 'info' => '', |
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| 87 | 'trace' => '<pre class="stack-trace">{:trace}</pre>', |
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| 88 | 'code' => '', |
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| 89 | 'context' => '', |
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| 90 | 'links' => array() |
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| 91 | ), |
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| 92 | 'html' => array( |
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| 93 | 'trace' => '<pre class="cake-debug trace"><b>Trace</b> <p>{:trace}</p></pre>', |
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| 94 | 'context' => '<pre class="cake-debug context"><b>Context</b> <p>{:context}</p></pre>' |
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| 95 | ), |
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| 96 | 'txt' => array( |
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| 97 | 'error' => "{:error}: {:code} :: {:description} on line {:line} of {:path}\n{:info}", |
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| 98 | 'context' => "Context:\n{:context}\n", |
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| 99 | 'trace' => "Trace:\n{:trace}\n", |
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| 100 | 'code' => '', |
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| 101 | 'info' => '' |
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| 102 | ), |
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| 103 | 'base' => array( |
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| 104 | 'traceLine' => '{:reference} - {:path}, line {:line}' |
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| 105 | ) |
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| 106 | ); |
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| 107 | |
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| 108 | /** |
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| 109 | * Holds current output data when outputFormat is false. |
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| 110 | * |
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| 111 | * @var string |
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| 112 | * @access private |
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| 113 | */ |
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| 114 | var $_data = array(); |
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| 115 | |
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| 116 | /** |
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| 117 | * Constructor. |
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| 118 | * |
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| 119 | */ |
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| 120 | function __construct() { |
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| 121 | $docRef = ini_get('docref_root'); |
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| 122 | |
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| 123 | if (empty($docRef) && function_exists('ini_set')) { |
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| 124 | ini_set('docref_root', 'http://php.net/'); |
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| 125 | } |
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| 126 | if (!defined('E_RECOVERABLE_ERROR')) { |
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| 127 | define('E_RECOVERABLE_ERROR', 4096); |
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| 128 | } |
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| 129 | if (!defined('E_DEPRECATED')) { |
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| 130 | define('E_DEPRECATED', 8192); |
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| 131 | } |
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| 132 | |
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| 133 | $e = '<pre class="cake-debug">'; |
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| 134 | $e .= '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-trace\')'; |
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| 135 | $e .= '.style.display = (document.getElementById(\'{:id}-trace\').style.display == '; |
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| 136 | $e .= '\'none\' ? \'\' : \'none\');"><b>{:error}</b> ({:code})</a>: {:description} '; |
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| 137 | $e .= '[<b>{:path}</b>, line <b>{:line}</b>]'; |
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| 138 | |
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| 139 | $e .= '<div id="{:id}-trace" class="cake-stack-trace" style="display: none;">'; |
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| 140 | $e .= '{:links}{:info}</div>'; |
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| 141 | $e .= '</pre>'; |
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| 142 | $this->_templates['js']['error'] = $e; |
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| 143 | |
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| 144 | $t = '<div id="{:id}-trace" class="cake-stack-trace" style="display: none;">'; |
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| 145 | $t .= '{:context}{:code}{:trace}</div>'; |
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| 146 | $this->_templates['js']['info'] = $t; |
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| 147 | |
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| 148 | $links = array(); |
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| 149 | $link = '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-code\')'; |
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| 150 | $link .= '.style.display = (document.getElementById(\'{:id}-code\').style.display == '; |
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| 151 | $link .= '\'none\' ? \'\' : \'none\')">Code</a>'; |
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| 152 | $links['code'] = $link; |
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| 153 | |
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| 154 | $link = '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-context\')'; |
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| 155 | $link .= '.style.display = (document.getElementById(\'{:id}-context\').style.display == '; |
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| 156 | $link .= '\'none\' ? \'\' : \'none\')">Context</a>'; |
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| 157 | $links['context'] = $link; |
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| 158 | |
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| 159 | $links['help'] = '<a href="{:helpPath}{:code}" target="_blank">Help</a>'; |
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| 160 | $this->_templates['js']['links'] = $links; |
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| 161 | |
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| 162 | $this->_templates['js']['context'] = '<pre id="{:id}-context" class="cake-context" '; |
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| 163 | $this->_templates['js']['context'] .= 'style="display: none;">{:context}</pre>'; |
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| 164 | |
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| 165 | $this->_templates['js']['code'] = '<div id="{:id}-code" class="cake-code-dump" '; |
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| 166 | $this->_templates['js']['code'] .= 'style="display: none;"><pre>{:code}</pre></div>'; |
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| 167 | |
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| 168 | $e = '<pre class="cake-debug"><b>{:error}</b> ({:code}) : {:description} '; |
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| 169 | $e .= '[<b>{:path}</b>, line <b>{:line}]</b></pre>'; |
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| 170 | $this->_templates['html']['error'] = $e; |
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| 171 | |
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| 172 | $this->_templates['html']['context'] = '<pre class="cake-debug context"><b>Context</b> '; |
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| 173 | $this->_templates['html']['context'] .= '<p>{:context}</p></pre>'; |
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| 174 | } |
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| 175 | |
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| 176 | /** |
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| 177 | * Returns a reference to the Debugger singleton object instance. |
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| 178 | * |
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| 179 | * @return object |
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| 180 | * @access public |
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| 181 | * @static |
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| 182 | */ |
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| 183 | function &getInstance($class = null) { |
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| 184 | static $instance = array(); |
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| 185 | if (!empty($class)) { |
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| 186 | if (!$instance || strtolower($class) != strtolower(get_class($instance[0]))) { |
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| 187 | $instance[0] = & new $class(); |
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| 188 | if (Configure::read() > 0) { |
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| 189 | Configure::version(); // Make sure the core config is loaded |
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| 190 | $instance[0]->helpPath = Configure::read('Cake.Debugger.HelpPath'); |
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| 191 | } |
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| 192 | } |
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| 193 | } |
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| 194 | |
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| 195 | if (!$instance) { |
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| 196 | $instance[0] =& new Debugger(); |
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| 197 | if (Configure::read() > 0) { |
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| 198 | Configure::version(); // Make sure the core config is loaded |
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| 199 | $instance[0]->helpPath = Configure::read('Cake.Debugger.HelpPath'); |
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| 200 | } |
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| 201 | } |
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| 202 | return $instance[0]; |
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| 203 | } |
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| 204 | |
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| 205 | /** |
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| 206 | * Formats and outputs the contents of the supplied variable. |
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| 207 | * |
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| 208 | * @param $var mixed the variable to dump |
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| 209 | * @return void |
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| 210 | * @see Debugger::exportVar() |
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| 211 | * @access public |
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| 212 | * @static |
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| 213 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 214 | */ |
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| 215 | function dump($var) { |
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| 216 | $_this =& Debugger::getInstance(); |
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| 217 | pr($_this->exportVar($var)); |
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| 218 | } |
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| 219 | |
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| 220 | /** |
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| 221 | * Creates an entry in the log file. The log entry will contain a stack trace from where it was called. |
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| 222 | * as well as export the variable using exportVar. By default the log is written to the debug log. |
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| 223 | * |
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| 224 | * @param $var mixed Variable or content to log |
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| 225 | * @param $level int type of log to use. Defaults to LOG_DEBUG |
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| 226 | * @return void |
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| 227 | * @static |
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| 228 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 229 | */ |
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| 230 | function log($var, $level = LOG_DEBUG) { |
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| 231 | $_this =& Debugger::getInstance(); |
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| 232 | $source = $_this->trace(array('start' => 1)) . "\n"; |
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| 233 | CakeLog::write($level, "\n" . $source . $_this->exportVar($var)); |
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| 234 | } |
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| 235 | |
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| 236 | /** |
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| 237 | * Overrides PHP's default error handling. |
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| 238 | * |
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| 239 | * @param integer $code Code of error |
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| 240 | * @param string $description Error description |
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| 241 | * @param string $file File on which error occurred |
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| 242 | * @param integer $line Line that triggered the error |
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| 243 | * @param array $context Context |
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| 244 | * @return boolean true if error was handled |
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| 245 | * @access public |
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| 246 | */ |
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| 247 | function handleError($code, $description, $file = null, $line = null, $context = null) { |
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| 248 | if (error_reporting() == 0 || $code === 2048 || $code === 8192) { |
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| 249 | return; |
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| 250 | } |
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| 251 | |
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| 252 | $_this =& Debugger::getInstance(); |
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| 253 | |
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| 254 | if (empty($file)) { |
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| 255 | $file = '[internal]'; |
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| 256 | } |
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| 257 | if (empty($line)) { |
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| 258 | $line = '??'; |
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| 259 | } |
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| 260 | $path = $_this->trimPath($file); |
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| 261 | |
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| 262 | $info = compact('code', 'description', 'file', 'line'); |
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| 263 | if (!in_array($info, $_this->errors)) { |
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| 264 | $_this->errors[] = $info; |
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| 265 | } else { |
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| 266 | return; |
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| 267 | } |
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| 268 | |
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| 269 | switch ($code) { |
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| 270 | case E_PARSE: |
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| 271 | case E_ERROR: |
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| 272 | case E_CORE_ERROR: |
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| 273 | case E_COMPILE_ERROR: |
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| 274 | case E_USER_ERROR: |
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| 275 | $error = 'Fatal Error'; |
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| 276 | $level = LOG_ERROR; |
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| 277 | break; |
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| 278 | case E_WARNING: |
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| 279 | case E_USER_WARNING: |
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| 280 | case E_COMPILE_WARNING: |
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| 281 | case E_RECOVERABLE_ERROR: |
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| 282 | $error = 'Warning'; |
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| 283 | $level = LOG_WARNING; |
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| 284 | break; |
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| 285 | case E_NOTICE: |
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| 286 | case E_USER_NOTICE: |
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| 287 | $error = 'Notice'; |
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| 288 | $level = LOG_NOTICE; |
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| 289 | break; |
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| 290 | default: |
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| 291 | return; |
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| 292 | break; |
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| 293 | } |
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| 294 | |
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| 295 | $helpCode = null; |
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| 296 | if (!empty($_this->helpPath) && preg_match('/.*\[([0-9]+)\]$/', $description, $codes)) { |
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| 297 | if (isset($codes[1])) { |
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| 298 | $helpID = $codes[1]; |
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| 299 | $description = trim(preg_replace('/\[[0-9]+\]$/', '', $description)); |
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| 300 | } |
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| 301 | } |
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| 302 | |
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| 303 | $data = compact( |
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| 304 | 'level', 'error', 'code', 'helpID', 'description', 'file', 'path', 'line', 'context' |
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| 305 | ); |
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| 306 | echo $_this->_output($data); |
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| 307 | |
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| 308 | if (Configure::read('log')) { |
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| 309 | $tpl = $_this->_templates['log']['error']; |
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| 310 | $options = array('before' => '{:', 'after' => '}'); |
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| 311 | CakeLog::write($level, String::insert($tpl, $data, $options)); |
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| 312 | } |
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| 313 | |
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| 314 | if ($error == 'Fatal Error') { |
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| 315 | exit(); |
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| 316 | } |
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| 317 | return true; |
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| 318 | } |
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| 319 | |
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| 320 | /** |
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| 321 | * Outputs a stack trace based on the supplied options. |
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| 322 | * |
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| 323 | * ### Options |
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| 324 | * |
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| 325 | * - `depth` - The number of stack frames to return. Defaults to 999 |
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| 326 | * - `format` - The format you want the return. Defaults to the currently selected format. If |
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| 327 | * format is 'array' or 'points' the return will be an array. |
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| 328 | * - `args` - Should arguments for functions be shown? If true, the arguments for each method call |
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| 329 | * will be displayed. |
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| 330 | * - `start` - The stack frame to start generating a trace from. Defaults to 0 |
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| 331 | * |
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| 332 | * @param array $options Format for outputting stack trace |
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| 333 | * @return mixed Formatted stack trace |
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| 334 | * @access public |
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| 335 | * @static |
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| 336 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 337 | */ |
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| 338 | function trace($options = array()) { |
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| 339 | $_this =& Debugger::getInstance(); |
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| 340 | $defaults = array( |
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| 341 | 'depth' => 999, |
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| 342 | 'format' => $_this->_outputFormat, |
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| 343 | 'args' => false, |
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| 344 | 'start' => 0, |
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| 345 | 'scope' => null, |
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| 346 | 'exclude' => null |
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| 347 | ); |
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| 348 | $options += $defaults; |
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| 349 | |
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| 350 | $backtrace = debug_backtrace(); |
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| 351 | $count = count($backtrace); |
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| 352 | $back = array(); |
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| 353 | |
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| 354 | $_trace = array( |
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| 355 | 'line' => '??', |
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| 356 | 'file' => '[internal]', |
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| 357 | 'class' => null, |
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| 358 | 'function' => '[main]' |
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| 359 | ); |
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| 360 | |
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| 361 | for ($i = $options['start']; $i < $count && $i < $options['depth']; $i++) { |
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| 362 | $trace = array_merge(array('file' => '[internal]', 'line' => '??'), $backtrace[$i]); |
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| 363 | |
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| 364 | if (isset($backtrace[$i + 1])) { |
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| 365 | $next = array_merge($_trace, $backtrace[$i + 1]); |
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| 366 | $reference = $next['function']; |
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| 367 | |
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| 368 | if (!empty($next['class'])) { |
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| 369 | $reference = $next['class'] . '::' . $reference . '('; |
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| 370 | if ($options['args'] && isset($next['args'])) { |
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| 371 | $args = array(); |
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| 372 | foreach ($next['args'] as $arg) { |
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| 373 | $args[] = Debugger::exportVar($arg); |
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| 374 | } |
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| 375 | $reference .= join(', ', $args); |
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| 376 | } |
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| 377 | $reference .= ')'; |
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| 378 | } |
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| 379 | } else { |
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| 380 | $reference = '[main]'; |
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| 381 | } |
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| 382 | if (in_array($reference, array('call_user_func_array', 'trigger_error'))) { |
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| 383 | continue; |
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| 384 | } |
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| 385 | if ($options['format'] == 'points' && $trace['file'] != '[internal]') { |
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| 386 | $back[] = array('file' => $trace['file'], 'line' => $trace['line']); |
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| 387 | } elseif ($options['format'] == 'array') { |
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| 388 | $back[] = $trace; |
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| 389 | } else { |
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| 390 | if (isset($_this->_templates[$options['format']]['traceLine'])) { |
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| 391 | $tpl = $_this->_templates[$options['format']]['traceLine']; |
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| 392 | } else { |
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| 393 | $tpl = $_this->_templates['base']['traceLine']; |
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| 394 | } |
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| 395 | $trace['path'] = Debugger::trimPath($trace['file']); |
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| 396 | $trace['reference'] = $reference; |
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| 397 | unset($trace['object'], $trace['args']); |
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| 398 | $back[] = String::insert($tpl, $trace, array('before' => '{:', 'after' => '}')); |
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| 399 | } |
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| 400 | } |
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| 401 | |
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| 402 | if ($options['format'] == 'array' || $options['format'] == 'points') { |
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| 403 | return $back; |
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| 404 | } |
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| 405 | return implode("\n", $back); |
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| 406 | } |
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| 407 | |
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| 408 | /** |
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| 409 | * Shortens file paths by replacing the application base path with 'APP', and the CakePHP core |
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| 410 | * path with 'CORE'. |
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| 411 | * |
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| 412 | * @param string $path Path to shorten |
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| 413 | * @return string Normalized path |
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| 414 | * @access public |
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| 415 | * @static |
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| 416 | */ |
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| 417 | function trimPath($path) { |
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| 418 | if (!defined('CAKE_CORE_INCLUDE_PATH') || !defined('APP')) { |
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| 419 | return $path; |
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| 420 | } |
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| 421 | |
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| 422 | if (strpos($path, APP) === 0) { |
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| 423 | return str_replace(APP, 'APP' . DS, $path); |
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| 424 | } elseif (strpos($path, CAKE_CORE_INCLUDE_PATH) === 0) { |
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| 425 | return str_replace(CAKE_CORE_INCLUDE_PATH, 'CORE', $path); |
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| 426 | } elseif (strpos($path, ROOT) === 0) { |
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| 427 | return str_replace(ROOT, 'ROOT', $path); |
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| 428 | } |
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| 429 | $corePaths = App::core('cake'); |
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| 430 | |
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| 431 | foreach ($corePaths as $corePath) { |
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| 432 | if (strpos($path, $corePath) === 0) { |
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| 433 | return str_replace($corePath, 'CORE' .DS . 'cake' .DS, $path); |
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| 434 | } |
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| 435 | } |
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| 436 | return $path; |
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| 437 | } |
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| 438 | |
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| 439 | /** |
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| 440 | * Grabs an excerpt from a file and highlights a given line of code |
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| 441 | * |
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| 442 | * @param string $file Absolute path to a PHP file |
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| 443 | * @param integer $line Line number to highlight |
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| 444 | * @param integer $context Number of lines of context to extract above and below $line |
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| 445 | * @return array Set of lines highlighted |
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| 446 | * @access public |
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| 447 | * @static |
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| 448 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 449 | */ |
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| 450 | function excerpt($file, $line, $context = 2) { |
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| 451 | $data = $lines = array(); |
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| 452 | if (!file_exists($file)) { |
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| 453 | return array(); |
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| 454 | } |
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| 455 | $data = @explode("\n", file_get_contents($file)); |
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| 456 | |
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| 457 | if (empty($data) || !isset($data[$line])) { |
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| 458 | return; |
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| 459 | } |
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| 460 | for ($i = $line - ($context + 1); $i < $line + $context; $i++) { |
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| 461 | if (!isset($data[$i])) { |
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| 462 | continue; |
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| 463 | } |
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| 464 | $string = str_replace(array("\r\n", "\n"), "", highlight_string($data[$i], true)); |
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| 465 | if ($i == $line) { |
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| 466 | $lines[] = '<span class="code-highlight">' . $string . '</span>'; |
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| 467 | } else { |
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| 468 | $lines[] = $string; |
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| 469 | } |
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| 470 | } |
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| 471 | return $lines; |
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| 472 | } |
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| 473 | |
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| 474 | /** |
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| 475 | * Converts a variable to a string for debug output. |
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| 476 | * |
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| 477 | * @param string $var Variable to convert |
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| 478 | * @return string Variable as a formatted string |
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| 479 | * @access public |
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| 480 | * @static |
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| 481 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
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| 482 | */ |
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| 483 | function exportVar($var, $recursion = 0) { |
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| 484 | $_this =& Debugger::getInstance(); |
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| 485 | switch (strtolower(gettype($var))) { |
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| 486 | case 'boolean': |
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| 487 | return ($var) ? 'true' : 'false'; |
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| 488 | break; |
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| 489 | case 'integer': |
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| 490 | case 'double': |
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| 491 | return $var; |
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| 492 | break; |
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| 493 | case 'string': |
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| 494 | if (trim($var) == "") { |
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| 495 | return '""'; |
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| 496 | } |
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| 497 | return '"' . h($var) . '"'; |
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| 498 | break; |
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| 499 | case 'object': |
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| 500 | return get_class($var) . "\n" . $_this->__object($var); |
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| 501 | case 'array': |
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| 502 | $var = array_merge($var, array_intersect_key(array( |
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| 503 | 'password' => '*****', |
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| 504 | 'login' => '*****', |
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| 505 | 'host' => '*****', |
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| 506 | 'database' => '*****', |
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| 507 | 'port' => '*****', |
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| 508 | 'prefix' => '*****', |
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| 509 | 'schema' => '*****' |
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| 510 | ), $var)); |
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| 511 | |
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| 512 | $out = "array("; |
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| 513 | $vars = array(); |
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| 514 | foreach ($var as $key => $val) { |
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| 515 | if ($recursion >= 0) { |
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| 516 | if (is_numeric($key)) { |
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| 517 | $vars[] = "\n\t" . $_this->exportVar($val, $recursion - 1); |
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| 518 | } else { |
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| 519 | $vars[] = "\n\t" .$_this->exportVar($key, $recursion - 1) |
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| 520 | . ' => ' . $_this->exportVar($val, $recursion - 1); |
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| 521 | } |
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| 522 | } |
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| 523 | } |
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| 524 | $n = null; |
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| 525 | if (!empty($vars)) { |
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| 526 | $n = "\n"; |
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| 527 | } |
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| 528 | return $out . implode(",", $vars) . "{$n})"; |
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| 529 | break; |
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| 530 | case 'resource': |
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| 531 | return strtolower(gettype($var)); |
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| 532 | break; |
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| 533 | case 'null': |
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| 534 | return 'null'; |
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| 535 | break; |
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| 536 | } |
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| 537 | } |
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| 538 | |
---|
| 539 | /** |
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| 540 | * Handles object to string conversion. |
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| 541 | * |
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| 542 | * @param string $var Object to convert |
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| 543 | * @return string |
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| 544 | * @access private |
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| 545 | * @see Debugger::exportVar() |
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| 546 | */ |
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| 547 | function __object($var) { |
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| 548 | $out = array(); |
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| 549 | |
---|
| 550 | if (is_object($var)) { |
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| 551 | $className = get_class($var); |
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| 552 | $objectVars = get_object_vars($var); |
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| 553 | |
---|
| 554 | foreach ($objectVars as $key => $value) { |
---|
| 555 | if (is_object($value)) { |
---|
| 556 | $value = get_class($value) . ' object'; |
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| 557 | } elseif (is_array($value)) { |
---|
| 558 | $value = 'array'; |
---|
| 559 | } elseif ($value === null) { |
---|
| 560 | $value = 'NULL'; |
---|
| 561 | } elseif (in_array(gettype($value), array('boolean', 'integer', 'double', 'string', 'array', 'resource'))) { |
---|
| 562 | $value = Debugger::exportVar($value); |
---|
| 563 | } |
---|
| 564 | $out[] = "$className::$$key = " . $value; |
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| 565 | } |
---|
| 566 | } |
---|
| 567 | return implode("\n", $out); |
---|
| 568 | } |
---|
| 569 | |
---|
| 570 | /** |
---|
| 571 | * Switches output format, updates format strings |
---|
| 572 | * |
---|
| 573 | * @param string $format Format to use, including 'js' for JavaScript-enhanced HTML, 'html' for |
---|
| 574 | * straight HTML output, or 'txt' for unformatted text. |
---|
| 575 | * @param array $strings Template strings to be used for the output format. |
---|
| 576 | * @access protected |
---|
| 577 | */ |
---|
| 578 | function output($format = null, $strings = array()) { |
---|
| 579 | $_this =& Debugger::getInstance(); |
---|
| 580 | $data = null; |
---|
| 581 | |
---|
| 582 | if (is_null($format)) { |
---|
| 583 | return $_this->_outputFormat; |
---|
| 584 | } |
---|
| 585 | |
---|
| 586 | if (!empty($strings)) { |
---|
| 587 | if (isset($_this->_templates[$format])) { |
---|
| 588 | if (isset($strings['links'])) { |
---|
| 589 | $_this->_templates[$format]['links'] = array_merge( |
---|
| 590 | $_this->_templates[$format]['links'], |
---|
| 591 | $strings['links'] |
---|
| 592 | ); |
---|
| 593 | unset($strings['links']); |
---|
| 594 | } |
---|
| 595 | $_this->_templates[$format] = array_merge($_this->_templates[$format], $strings); |
---|
| 596 | } else { |
---|
| 597 | $_this->_templates[$format] = $strings; |
---|
| 598 | } |
---|
| 599 | return $_this->_templates[$format]; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | if ($format === true && !empty($_this->_data)) { |
---|
| 603 | $data = $_this->_data; |
---|
| 604 | $_this->_data = array(); |
---|
| 605 | $format = false; |
---|
| 606 | } |
---|
| 607 | $_this->_outputFormat = $format; |
---|
| 608 | |
---|
| 609 | return $data; |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | /** |
---|
| 613 | * Renders error messages |
---|
| 614 | * |
---|
| 615 | * @param array $data Data about the current error |
---|
| 616 | * @access private |
---|
| 617 | */ |
---|
| 618 | function _output($data = array()) { |
---|
| 619 | $defaults = array( |
---|
| 620 | 'level' => 0, |
---|
| 621 | 'error' => 0, |
---|
| 622 | 'code' => 0, |
---|
| 623 | 'helpID' => null, |
---|
| 624 | 'description' => '', |
---|
| 625 | 'file' => '', |
---|
| 626 | 'line' => 0, |
---|
| 627 | 'context' => array() |
---|
| 628 | ); |
---|
| 629 | $data += $defaults; |
---|
| 630 | |
---|
| 631 | $files = $this->trace(array('start' => 2, 'format' => 'points')); |
---|
| 632 | $code = $this->excerpt($files[0]['file'], $files[0]['line'] - 1, 1); |
---|
| 633 | $trace = $this->trace(array('start' => 2, 'depth' => '20')); |
---|
| 634 | $insertOpts = array('before' => '{:', 'after' => '}'); |
---|
| 635 | $context = array(); |
---|
| 636 | $links = array(); |
---|
| 637 | $info = ''; |
---|
| 638 | |
---|
| 639 | foreach ((array)$data['context'] as $var => $value) { |
---|
| 640 | $context[] = "\${$var}\t=\t" . $this->exportVar($value, 1); |
---|
| 641 | } |
---|
| 642 | |
---|
| 643 | switch ($this->_outputFormat) { |
---|
| 644 | case false: |
---|
| 645 | $this->_data[] = compact('context', 'trace') + $data; |
---|
| 646 | return; |
---|
| 647 | case 'log': |
---|
| 648 | $this->log(compact('context', 'trace') + $data); |
---|
| 649 | return; |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | if (empty($this->_outputFormat) || !isset($this->_templates[$this->_outputFormat])) { |
---|
| 653 | $this->_outputFormat = 'js'; |
---|
| 654 | } |
---|
| 655 | |
---|
| 656 | $data['id'] = 'cakeErr' . count($this->errors); |
---|
| 657 | $tpl = array_merge($this->_templates['base'], $this->_templates[$this->_outputFormat]); |
---|
| 658 | $insert = array('context' => join("\n", $context), 'helpPath' => $this->helpPath) + $data; |
---|
| 659 | |
---|
| 660 | $detect = array('help' => 'helpID', 'context' => 'context'); |
---|
| 661 | |
---|
| 662 | if (isset($tpl['links'])) { |
---|
| 663 | foreach ($tpl['links'] as $key => $val) { |
---|
| 664 | if (isset($detect[$key]) && empty($insert[$detect[$key]])) { |
---|
| 665 | continue; |
---|
| 666 | } |
---|
| 667 | $links[$key] = String::insert($val, $insert, $insertOpts); |
---|
| 668 | } |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | foreach (array('code', 'context', 'trace') as $key) { |
---|
| 672 | if (empty($$key) || !isset($tpl[$key])) { |
---|
| 673 | continue; |
---|
| 674 | } |
---|
| 675 | if (is_array($$key)) { |
---|
| 676 | $$key = join("\n", $$key); |
---|
| 677 | } |
---|
| 678 | $info .= String::insert($tpl[$key], compact($key) + $insert, $insertOpts); |
---|
| 679 | } |
---|
| 680 | $links = join(' | ', $links); |
---|
| 681 | unset($data['context']); |
---|
| 682 | |
---|
| 683 | echo String::insert($tpl['error'], compact('links', 'info') + $data, $insertOpts); |
---|
| 684 | } |
---|
| 685 | |
---|
| 686 | /** |
---|
| 687 | * Verifies that the application's salt and cipher seed value has been changed from the default value. |
---|
| 688 | * |
---|
| 689 | * @access public |
---|
| 690 | * @static |
---|
| 691 | */ |
---|
| 692 | function checkSecurityKeys() { |
---|
| 693 | if (Configure::read('Security.salt') == 'DYhG93b0qyJfIxfs2guVoUubWwvniR2G0FgaC9mi') { |
---|
| 694 | trigger_error(__('Please change the value of \'Security.salt\' in app/config/core.php to a salt value specific to your application', true), E_USER_NOTICE); |
---|
| 695 | } |
---|
| 696 | |
---|
| 697 | if (Configure::read('Security.cipherSeed') === '76859309657453542496749683645') { |
---|
| 698 | trigger_error(__('Please change the value of \'Security.cipherSeed\' in app/config/core.php to a numeric (digits only) seed value specific to your application', true), E_USER_NOTICE); |
---|
| 699 | } |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | /** |
---|
| 703 | * Invokes the given debugger object as the current error handler, taking over control from the |
---|
| 704 | * previous handler in a stack-like hierarchy. |
---|
| 705 | * |
---|
| 706 | * @param object $debugger A reference to the Debugger object |
---|
| 707 | * @access public |
---|
| 708 | * @static |
---|
| 709 | * @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class |
---|
| 710 | */ |
---|
| 711 | function invoke(&$debugger) { |
---|
| 712 | set_error_handler(array(&$debugger, 'handleError')); |
---|
| 713 | } |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | if (!defined('DISABLE_DEFAULT_ERROR_HANDLING')) { |
---|
| 717 | Debugger::invoke(Debugger::getInstance()); |
---|
| 718 | } |
---|