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1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
2 | /** | |
3 | * CodeIgniter | |
4 | * | |
5 | * An open source application development framework for PHP 5.1.6 or newer | |
6 | * | |
7 | * @package CodeIgniter | |
8 | * @author ExpressionEngine Dev Team | |
9 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. | |
10 | * @license http://codeigniter.com/user_guide/license.html | |
11 | * @link http://codeigniter.com | |
12 | * @since Version 1.0 | |
13 | * @filesource | |
14 | */ | |
15 | ||
16 | // ------------------------------------------------------------------------ | |
17 | ||
18 | /** | |
19 | * Exceptions Class | |
20 | * | |
21 | * @package CodeIgniter | |
22 | * @subpackage Libraries | |
23 | * @category Exceptions | |
24 | * @author ExpressionEngine Dev Team | |
25 | * @link http://codeigniter.com/user_guide/libraries/exceptions.html | |
26 | */ | |
27 | class CI_Exceptions { | |
28 | var $action; | |
29 | var $severity; | |
30 | var $message; | |
31 | var $filename; | |
32 | var $line; | |
33 | ||
34 | /** | |
35 | * Nesting level of the output buffering mechanism | |
36 | * | |
37 | * @var int | |
38 | * @access public | |
39 | */ | |
40 | var $ob_level; | |
41 | ||
42 | /** | |
43 | * List if available error levels | |
44 | * | |
45 | * @var array | |
46 | * @access public | |
47 | */ | |
48 | var $levels = array( | |
49 | E_ERROR => 'Error', | |
50 | E_WARNING => 'Warning', | |
51 | E_PARSE => 'Parsing Error', | |
52 | E_NOTICE => 'Notice', | |
53 | E_CORE_ERROR => 'Core Error', | |
54 | E_CORE_WARNING => 'Core Warning', | |
55 | E_COMPILE_ERROR => 'Compile Error', | |
56 | E_COMPILE_WARNING => 'Compile Warning', | |
57 | E_USER_ERROR => 'User Error', | |
58 | E_USER_WARNING => 'User Warning', | |
59 | E_USER_NOTICE => 'User Notice', | |
60 | E_STRICT => 'Runtime Notice' | |
61 | ); | |
62 | ||
63 | ||
64 | /** | |
65 | * Constructor | |
66 | */ | |
67 | public function __construct() | |
68 | { | |
69 | $this->ob_level = ob_get_level(); | |
70 | // Note: Do not log messages from this constructor. | |
71 | } | |
72 | ||
73 | // -------------------------------------------------------------------- | |
74 | ||
75 | /** | |
76 | * Exception Logger | |
77 | * | |
78 | * This function logs PHP generated error messages | |
79 | * | |
80 | * @access private | |
81 | * @param string the error severity | |
82 | * @param string the error string | |
83 | * @param string the error filepath | |
84 | * @param string the error line number | |
85 | * @return string | |
86 | */ | |
87 | function log_exception($severity, $message, $filepath, $line) | |
88 | { | |
89 | $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity]; | |
90 | ||
91 | log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE); | |
92 | } | |
93 | ||
94 | // -------------------------------------------------------------------- | |
95 | ||
96 | /** | |
97 | * 404 Page Not Found Handler | |
98 | * | |
99 | * @access private | |
100 | * @param string the page | |
101 | * @param bool log error yes/no | |
102 | * @return string | |
103 | */ | |
104 | function show_404($page = '', $log_error = TRUE) | |
105 | { | |
106 | $heading = "404 Page Not Found"; | |
107 | $message = "The page you requested was not found."; | |
108 | ||
109 | // By default we log this, but allow a dev to skip it | |
110 | if ($log_error) | |
111 | { | |
112 | log_message('error', '404 Page Not Found --> '.$page); | |
113 | } | |
114 | ||
115 | echo $this->show_error($heading, $message, 'error_404', 404); | |
116 | exit; | |
117 | } | |
118 | ||
119 | // -------------------------------------------------------------------- | |
120 | ||
121 | /** | |
122 | * General Error Page | |
123 | * | |
124 | * This function takes an error message as input | |
125 | * (either as a string or an array) and displays | |
126 | * it using the specified template. | |
127 | * | |
128 | * @access private | |
129 | * @param string the heading | |
130 | * @param string the message | |
131 | * @param string the template name | |
132 | * @param int the status code | |
133 | * @return string | |
134 | */ | |
135 | function show_error($heading, $message, $template = 'error_general', $status_code = 500) | |
136 | { | |
137 | set_status_header($status_code); | |
138 | ||
139 | $message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>'; | |
140 | ||
141 | if (ob_get_level() > $this->ob_level + 1) | |
142 | { | |
143 | ob_end_flush(); | |
144 | } | |
145 | ob_start(); | |
146 | include(APPPATH.'errors/'.$template.'.php'); | |
147 | $buffer = ob_get_contents(); | |
148 | ob_end_clean(); | |
149 | return $buffer; | |
150 | } | |
151 | ||
152 | // -------------------------------------------------------------------- | |
153 | ||
154 | /** | |
155 | * Native PHP error handler | |
156 | * | |
157 | * @access private | |
158 | * @param string the error severity | |
159 | * @param string the error string | |
160 | * @param string the error filepath | |
161 | * @param string the error line number | |
162 | * @return string | |
163 | */ | |
164 | function show_php_error($severity, $message, $filepath, $line) | |
165 | { | |
166 | $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity]; | |
167 | ||
168 | $filepath = str_replace("\\", "/", $filepath); | |
169 | ||
170 | // For safety reasons we do not show the full file path | |
171 | if (FALSE !== strpos($filepath, '/')) | |
172 | { | |
173 | $x = explode('/', $filepath); | |
174 | $filepath = $x[count($x)-2].'/'.end($x); | |
175 | } | |
176 | ||
177 | if (ob_get_level() > $this->ob_level + 1) | |
178 | { | |
179 | ob_end_flush(); | |
180 | } | |
181 | ob_start(); | |
182 | include(APPPATH.'errors/error_php.php'); | |
183 | $buffer = ob_get_contents(); | |
184 | ob_end_clean(); | |
185 | echo $buffer; | |
186 | } | |
187 | ||
188 | ||
189 | } | |
190 | // END Exceptions Class | |
191 | ||
192 | /* End of file Exceptions.php */ | |
193 | /* Location: ./system/core/Exceptions.php */ |