mirror of
https://gitlab.easter-eggs.com/ee/ldapsaisie.git
synced 2024-12-24 09:23:47 +01:00
378 lines
10 KiB
PHP
378 lines
10 KiB
PHP
<?php
|
|
/*******************************************************************************
|
|
* Copyright (C) 2007 Easter-eggs
|
|
* http://ldapsaisie.labs.libre-entreprise.org
|
|
*
|
|
* Author: See AUTHORS file in top-level directory.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
******************************************************************************/
|
|
|
|
/**
|
|
* Handle logging
|
|
*
|
|
* @author Benjamin Renard <brenard@easter-eggs.com>
|
|
*/
|
|
class LSlog {
|
|
|
|
// Enable state
|
|
private static $enabled = false;
|
|
|
|
// Configured handlers
|
|
private static $handlers = array();
|
|
|
|
// Default handlers (if not configured)
|
|
private static $default_handlers = array(
|
|
array (
|
|
'handler' => 'file',
|
|
),
|
|
);
|
|
|
|
// Current level
|
|
private static $level;
|
|
private static $default_level = 'WARNING';
|
|
|
|
// Levels
|
|
private static $levels=array(
|
|
'DEBUG' => 0,
|
|
'INFO' => 1,
|
|
'WARNING' => 2,
|
|
'ERROR' => 3,
|
|
'FATAL' => 4,
|
|
);
|
|
|
|
/**
|
|
* Start/initialize logging
|
|
*
|
|
* @retval bool True on success, False otherwise
|
|
**/
|
|
public static function start() {
|
|
// Load configuration
|
|
self :: $enabled = self :: getConfig('enable', false, 'bool');
|
|
self :: $level = self :: getConfig('level', self :: $default_level, 'string');
|
|
if (!array_key_exists(self :: $level, self :: $levels)) self :: $level = 'WARNING';
|
|
|
|
// Load default handlers class
|
|
if (!LSsession :: loadLSclass('LSlog_handler', null, true)) {
|
|
LSdebug('LSlog disabled');
|
|
return False;
|
|
}
|
|
|
|
// Load handlers
|
|
$handlers = self :: getConfig('handlers');
|
|
if (!is_array($handlers)) $handlers = self :: $default_handlers;
|
|
LSdebug($handlers, true);
|
|
$debug_handlers = array();
|
|
foreach($handlers as $handler => $handler_config) {
|
|
if (!is_array($handler_config))
|
|
$handler_config = array('handler' => $handler);
|
|
else
|
|
$handler = (isset($handler_config['handler'])?$handler_config['handler']:'system');
|
|
|
|
$handler_class = "LSlog_$handler";
|
|
|
|
// Load handler class
|
|
if (!LSsession :: loadLSclass($handler_class) || !class_exists($handler_class)) {
|
|
LSerror :: addErrorCode('LSlog_01', $handler);
|
|
continue;
|
|
}
|
|
|
|
$handler_obj = new $handler_class($handler_config);
|
|
if ($handler_obj -> checkCompatibility())
|
|
self :: $handlers[] = $handler_obj;
|
|
else
|
|
LSdebug("LSlog handler $handler not supported.");
|
|
$debug_handlers[] = $handler;
|
|
}
|
|
LSdebug('LSlog enabled with level='.self :: $level.' and following handlers : '.implode(', ', $debug_handlers));
|
|
|
|
// Set PHP error/exception handlers
|
|
if (self :: $level == 'DEBUG')
|
|
set_error_handler(array('LSlog', 'php_error'), E_ALL & ~E_STRICT);
|
|
else
|
|
set_error_handler(array('LSlog', 'php_error'), E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);
|
|
set_exception_handler(array('LSlog', 'exception'));
|
|
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* Get a configuration variable value
|
|
*
|
|
* @param[in] $var string The configuration variable name
|
|
* @param[in] $default mixed The default value to return if configuration variable
|
|
* is not set (Default : null)
|
|
* @param[in] $cast string The type of expected value. The configuration variable
|
|
* value will be cast as this type. Could be : bool, int,
|
|
* float or string. (Optional, default : raw value)
|
|
*
|
|
* @retval mixed The configuration variable value
|
|
**/
|
|
public static function getConfig($var, $default=null, $cast=null) {
|
|
return LSconfig :: get($var, $default, $cast, ((isset($GLOBALS['LSlog']) && is_array($GLOBALS['LSlog']))?$GLOBALS['LSlog']:array()));
|
|
}
|
|
|
|
/**
|
|
* Log a message
|
|
*
|
|
* @param[in] $level string The message level
|
|
* @param[in] $message string The message
|
|
*
|
|
* @retval void
|
|
**/
|
|
private static function logging($level, $message) {
|
|
// Check LSlog is enabled
|
|
if (!self :: $enabled)
|
|
return;
|
|
|
|
// Check/fix level
|
|
if (!array_key_exists($level, self :: $levels))
|
|
$level = self :: $default_level;
|
|
|
|
|
|
// Add prefix
|
|
if (php_sapi_name() == "cli") {
|
|
global $argv;
|
|
$message = basename($argv[0])." - $level - $message";
|
|
}
|
|
else {
|
|
$message = $_SERVER['REQUEST_URI'].' - '.$_SERVER['REMOTE_ADDR'].' - '.self :: getLdapServerName().' - '.self :: getAuthenticatedUserDN()." - $level - $message";
|
|
}
|
|
|
|
foreach (self :: $handlers as $handler) {
|
|
// Check handler level
|
|
if (!$handler -> checkLevel($level))
|
|
continue;
|
|
|
|
// Logging on this handler
|
|
call_user_func(array($handler, 'logging'), $level, $message);
|
|
}
|
|
|
|
if ($level == 'FATAL') {
|
|
if (php_sapi_name() == "cli")
|
|
die($message);
|
|
elseif (class_exists('LStemplate'))
|
|
LStemplate :: fatal_error($message);
|
|
else
|
|
die($message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check level against configured level
|
|
*
|
|
* @param[in] $level string The level
|
|
* @param[in] $configured_level string|null The configured level (optional, default : self :: $level)
|
|
*
|
|
* @retval bool True if a message with this level have to be logged, False otherwise
|
|
**/
|
|
public static function checkLevel($level, $configured_level=null) {
|
|
if (is_null($configured_level) || !array_key_exists($configured_level, self :: $levels))
|
|
$configured_level = self :: $level;
|
|
|
|
// On unknown level, use default level
|
|
if (!array_key_exists($level, self :: $levels))
|
|
$level = self :: $default_level;
|
|
|
|
return (self :: $levels[$level] >= self :: $levels[$configured_level]);
|
|
}
|
|
|
|
/**
|
|
* Helper to retreive current LDAP server name
|
|
*
|
|
* @retval string Current LDAP server name
|
|
**/
|
|
private static function getLdapServerName() {
|
|
if (LSsession :: $ldapServer) {
|
|
if (isset(LSsession :: $ldapServer['name']))
|
|
return LSsession :: $ldapServer['name'];
|
|
else
|
|
return "#".LSsession :: $ldapServerId;
|
|
}
|
|
return "Not connected";
|
|
}
|
|
|
|
/**
|
|
* Helper to retreive current authenticated user DN
|
|
*
|
|
* @retval string Current authenticated user DN
|
|
**/
|
|
private static function getAuthenticatedUserDN() {
|
|
$auth_dn = LSsession :: getLSuserObjectDn();
|
|
if ($auth_dn)
|
|
return LSsession :: getLSuserObjectDn();
|
|
return "Anonymous";
|
|
}
|
|
|
|
/*
|
|
* PHP error logging helpers
|
|
*/
|
|
|
|
/**
|
|
* Generate current context backtrace
|
|
*
|
|
* @retval string Current context backtrace
|
|
**/
|
|
public static function get_debug_backtrace_context() {
|
|
$traces = debug_backtrace();
|
|
if (!is_array($traces) || count($traces) <= 2)
|
|
return "";
|
|
|
|
$msg = array();
|
|
for ($i=2; $i < count($traces); $i++) {
|
|
$trace = array("#$i");
|
|
if (isset($traces[$i]['file']))
|
|
$trace[] = $traces[$i]['file'].(isset($traces[$i]['line'])?":".$traces[$i]['line']:"");
|
|
if (isset($traces[$i]['class']) && isset($traces[$i]['function']))
|
|
$trace[] = $traces[$i]['class'] . " " . $traces[$i]['type'] . " " . $traces[$i]['function']. "()";
|
|
elseif (isset($traces[$i]['function']))
|
|
$trace[] = $traces[$i]['function']. "()";
|
|
$msg[] = implode(" - ", $trace);
|
|
}
|
|
|
|
return implode("\n", $msg);
|
|
}
|
|
|
|
/**
|
|
* PHP set_exception_handler helper
|
|
*
|
|
* @see https://www.php.net/set_exception_handler
|
|
**/
|
|
public static function exception($exception, $prefix=null, $fatal=true) {
|
|
$message = ($prefix?"$prefix :\n":"An exception occured :\n"). self :: get_debug_backtrace_context(). "\n" .
|
|
"## ".$exception->getFile().":".$exception->getLine(). " : ". $exception->getMessage();
|
|
if ($fatal)
|
|
self :: fatal($message);
|
|
else
|
|
self :: error($message);
|
|
}
|
|
|
|
/**
|
|
* PHP set_error_handler helper
|
|
*
|
|
* @see https://www.php.net/set_error_handler
|
|
**/
|
|
public static function php_error($errno, $errstr, $errfile, $errline) {
|
|
$errnos2error = array (
|
|
1 => "ERROR",
|
|
2 => "WARNING",
|
|
4 => "PARSE",
|
|
8 => "NOTICE",
|
|
16 => "CORE_ERROR",
|
|
32 => "CORE_WARNING",
|
|
64 => "COMPILE_ERROR",
|
|
128 => "COMPILE_WARNING",
|
|
256 => "USER_ERROR",
|
|
512 => "USER_WARNING",
|
|
1024 => "USER_NOTICE",
|
|
2048 => "STRICT",
|
|
4096 => "RECOVERABLE_ERROR",
|
|
8192 => "DEPRECATED",
|
|
16384 => "USER_DEPRECATED",
|
|
32767 => "ALL",
|
|
);
|
|
|
|
$errors2level = array (
|
|
"ERROR" => "ERROR",
|
|
"WARNING" => "WARNING",
|
|
"PARSE" => "FATAL",
|
|
"NOTICE" => "INFO",
|
|
"CORE_ERROR" => "ERROR",
|
|
"CORE_WARNING" => "WARNING",
|
|
"COMPILE_ERROR" => "ERROR",
|
|
"COMPILE_WARNING" => "WARNING",
|
|
"USER_ERROR" => "ERROR",
|
|
"USER_WARNING" => "WARNING",
|
|
"USER_NOTICE" => "INFO",
|
|
"STRICT" => "WARNING",
|
|
"RECOVERABLE_ERROR" => "WARNING",
|
|
"DEPRECATED" => "DEBUG",
|
|
"USER_DEPRECATED" => "DEBUG",
|
|
"ALL" => "ERROR",
|
|
"UNKNOWN" => "ERROR",
|
|
);
|
|
$error = (isset($errnos2error[$errno])?$errnos2error[$errno]:'UNKNOWN');
|
|
$level = (isset($errors2level[$error])?$errors2level[$error]:'ERROR');
|
|
self :: logging($level, "A PHP $error occured (#$errno) : $errstr [$errfile:$errline]");
|
|
return False;
|
|
}
|
|
|
|
/*
|
|
* Public logging methods
|
|
*/
|
|
|
|
/**
|
|
* Log a message with level DEBUG
|
|
*
|
|
* @param[in] $message The message to log
|
|
*
|
|
* @retval void
|
|
**/
|
|
public static function debug($message) {
|
|
self :: logging('DEBUG', $message);
|
|
}
|
|
|
|
/**
|
|
* Log a message with level INFO
|
|
*
|
|
* @param[in] $message The message to log
|
|
*
|
|
* @retval void
|
|
**/
|
|
public static function info($message) {
|
|
self :: logging('INFO', $message);
|
|
}
|
|
|
|
/**
|
|
* Log a message with level WARNING
|
|
*
|
|
* @param[in] $message The message to log
|
|
*
|
|
* @retval void
|
|
**/
|
|
public static function warning($message) {
|
|
self :: logging('WARNING', $message);
|
|
}
|
|
|
|
/**
|
|
* Log a message with level ERROR
|
|
*
|
|
* @param[in] $message The message to log
|
|
*
|
|
* @retval void
|
|
**/
|
|
public static function error($message) {
|
|
self :: logging('ERROR', $message);
|
|
}
|
|
|
|
/**
|
|
* Log a message with level FATAL
|
|
*
|
|
* @param[in] $message The message to log
|
|
*
|
|
* @retval void
|
|
**/
|
|
public static function fatal($message) {
|
|
self :: logging('FATAL', $message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Error Codes
|
|
*/
|
|
LSerror :: defineError('LSlog_01',
|
|
_("LSlog : Fail to load logging handler %{handler}.")
|
|
);
|
|
|