/usr/share/php/kohana3.2/system/classes/kohana/log.php is in libkohana3.2-core-php 3.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 | <?php defined('SYSPATH') or die('No direct script access.');
/**
* Message logging with observer-based log writing.
*
* [!!] This class does not support extensions, only additional writers.
*
* @package Kohana
* @category Logging
* @author Kohana Team
* @copyright (c) 2008-2012 Kohana Team
* @license http://kohanaframework.org/license
*/
class Kohana_Log {
// Log message levels - Windows users see PHP Bug #18090
const EMERGENCY = LOG_EMERG; // 0
const ALERT = LOG_ALERT; // 1
const CRITICAL = LOG_CRIT; // 2
const ERROR = LOG_ERR; // 3
const WARNING = LOG_WARNING; // 4
const NOTICE = LOG_NOTICE; // 5
const INFO = LOG_INFO; // 6
const DEBUG = LOG_DEBUG; // 7
const STRACE = 8;
/**
* @var string timestamp format for log entries
*/
public static $timestamp = 'Y-m-d H:i:s';
/**
* @var string timezone for log entries
*/
public static $timezone;
/**
* @var boolean immediately write when logs are added
*/
public static $write_on_add = FALSE;
/**
* @var Log Singleton instance container
*/
protected static $_instance;
/**
* Get the singleton instance of this class and enable writing at shutdown.
*
* $log = Log::instance();
*
* @return Log
*/
public static function instance()
{
if (Log::$_instance === NULL)
{
// Create a new instance
Log::$_instance = new Log;
// Write the logs at shutdown
register_shutdown_function(array(Log::$_instance, 'write'));
}
return Log::$_instance;
}
/**
* @var array list of added messages
*/
protected $_messages = array();
/**
* @var array list of log writers
*/
protected $_writers = array();
/**
* Attaches a log writer, and optionally limits the levels of messages that
* will be written by the writer.
*
* $log->attach($writer);
*
* @param Log_Writer $writer instance
* @param mixed $levels array of messages levels to write OR max level to write
* @param integer $min_level min level to write IF $levels is not an array
* @return Log
*/
public function attach(Log_Writer $writer, $levels = array(), $min_level = 0)
{
if ( ! is_array($levels))
{
$levels = range($min_level, $levels);
}
$this->_writers["{$writer}"] = array
(
'object' => $writer,
'levels' => $levels
);
return $this;
}
/**
* Detaches a log writer. The same writer object must be used.
*
* $log->detach($writer);
*
* @param Log_Writer $writer instance
* @return Log
*/
public function detach(Log_Writer $writer)
{
// Remove the writer
unset($this->_writers["{$writer}"]);
return $this;
}
/**
* Adds a message to the log. Replacement values must be passed in to be
* replaced using [strtr](http://php.net/strtr).
*
* $log->add(Log::ERROR, 'Could not locate user: :user', array(
* ':user' => $username,
* ));
*
* @param string $level level of message
* @param string $message message body
* @param array $values values to replace in the message
* @return Log
*/
public function add($level, $message, array $values = NULL)
{
if ($values)
{
// Insert the values into the message
$message = strtr($message, $values);
}
// Create a new message and timestamp it
$this->_messages[] = array
(
'time' => Date::formatted_time('now', Log::$timestamp, Log::$timezone),
'level' => $level,
'body' => $message,
);
if (Log::$write_on_add)
{
// Write logs as they are added
$this->write();
}
return $this;
}
/**
* Write and clear all of the messages.
*
* $log->write();
*
* @return void
*/
public function write()
{
if (empty($this->_messages))
{
// There is nothing to write, move along
return;
}
// Import all messages locally
$messages = $this->_messages;
// Reset the messages array
$this->_messages = array();
foreach ($this->_writers as $writer)
{
if (empty($writer['levels']))
{
// Write all of the messages
$writer['object']->write($messages);
}
else
{
// Filtered messages
$filtered = array();
foreach ($messages as $message)
{
if (in_array($message['level'], $writer['levels']))
{
// Writer accepts this kind of message
$filtered[] = $message;
}
}
// Write the filtered messages
$writer['object']->write($filtered);
}
}
}
} // End Kohana_Log
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