chamilo
/
chamilo-lms
mirror of https://github.com/chamilo/chamilo-lms/tree/1.11.x
2
0
Fork 0
Code Issues Projects Releases Wiki Activity
Chamilo is a learning management system focused on ease of use and accessibility
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24225 Commits
17 Branches
107 Tags
940 MiB
 
 
 
 
 
 
Tag: Branch: Tree: c6fbfd7f01
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'c6fbfd7f01'
${ noResults }
chamilo-lms/main/inc/lib/diagnoser.lib.php

693 lines
22 KiB
Raw Blame History

<?php
/* For licensing terms, see /license.txt */
/**
*
* * Class that is responsible for generating diagnostic information about the system
*
*
* @package chamilo.diagnoser
* @author Ivan Tcholakov, 2008, initiall proposal and sample code.
* @author spou595, 2009, implementation for Chamilo 2.x
* @author Julio Montoya <gugli100@gmail.com>, 2010, port to chamilo 1.8.7, Some fixes
*
*/
/**
* Diagnoser class
* @package chamilo.diagnoser
*/
class Diagnoser
{
/**
* The status's
*/
const STATUS_OK = 1;
const STATUS_WARNING = 2;
const STATUS_ERROR = 3;
const STATUS_INFORMATION = 4;
function __construct()
{
}
function show_html()
{
$sections = array('chamilo', 'php', 'mysql', 'webserver');
if (!in_array($_GET['section'], $sections)) {
$current_section = 'chamilo';
} else {
$current_section = $_GET['section'];
}
$html = '<div class="tabbable"><ul class="nav nav-tabs">';
foreach ($sections as $section) {
if ($current_section == $section) {
$html .= '<li class="active">';
} else {
$html .= '<li>';
}
$params['section'] = $section;
$html .= '<a href="system_status.php?section=' . $section . '">' . get_lang($section) . '</a></li>';
}
$html .= '</ul><div class="tab-pane">';
$data = call_user_func(array($this, 'get_' . $current_section . '_data'));
echo $html;
$table = new SortableTableFromArray($data, 1, 100);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Section'), false);
$table->set_header(2, get_lang('Setting'), false);
$table->set_header(3, get_lang('Current'), false);
$table->set_header(4, get_lang('Expected'), false);
$table->set_header(5, get_lang('Comment'), false);
$table->display();
echo '</div></div>';
}
/**
* Functions to get the data for the chamilo diagnostics
* @return array of data
*/
function get_chamilo_data()
{
$array = array();
$writable_folders = array(
'data/',
'main/upload/users/'
);
foreach ($writable_folders as $index => $folder) {
$writable = is_writable(api_get_path(SYS_PATH) . $folder);
$status = $writable ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[FILES]',
get_lang('IsWritable') . ': ' . $folder,
'http://be2.php.net/manual/en/function.is-writable.php',
$writable,
1,
'yes_no',
get_lang('DirectoryMustBeWritable')
);
}
$exists = file_exists(api_get_path(SYS_CODE_PATH) . 'install');
$status = $exists ? self :: STATUS_WARNING : self :: STATUS_OK;
$array[] = $this->build_setting(
$status,
'[FILES]',
get_lang('DirectoryExists') . ': /install',
'http://be2.php.net/file_exists',
$exists,
0,
'yes_no',
get_lang('DirectoryShouldBeRemoved')
);
$app_version = api_get_setting('chamilo_database_version');
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[DB]',
'chamilo_database_version',
'#',
$app_version,
0,
null,
'Chamilo DB version'
);
return $array;
}
/**
* Functions to get the data for the php diagnostics
* @return array of data
*/
function get_php_data()
{
$array = array();
// General Functions
$version = phpversion();
$status = $version > REQUIRED_PHP_VERSION ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[PHP]',
'phpversion()',
'http://www.php.net/manual/en/function.phpversion.php',
phpversion(),
'>= ' . REQUIRED_PHP_VERSION,
null,
get_lang('PHPVersionInfo')
);
$setting = ini_get('output_buffering');
$req_setting = 1;
$status = $setting >= $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'output_buffering',
'http://www.php.net/manual/en/outcontrol.configuration.php#ini.output-buffering',
$setting,
$req_setting,
'on_off',
get_lang('OutputBufferingInfo')
);
$setting = ini_get('file_uploads');
$req_setting = 1;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'file_uploads',
'http://www.php.net/manual/en/ini.core.php#ini.file-uploads',
$setting,
$req_setting,
'on_off',
get_lang('FileUploadsInfo')
);
$setting = ini_get('magic_quotes_runtime');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'magic_quotes_runtime',
'http://www.php.net/manual/en/ini.core.php#ini.magic-quotes-runtime',
$setting,
$req_setting,
'on_off',
get_lang('MagicQuotesRuntimeInfo')
);
$setting = ini_get('safe_mode');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'safe_mode',
'http://www.php.net/manual/en/ini.core.php#ini.safe-mode',
$setting,
$req_setting,
'on_off',
get_lang('SafeModeInfo')
);
$setting = ini_get('register_globals');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'register_globals',
'http://www.php.net/manual/en/ini.core.php#ini.register-globals',
$setting,
$req_setting,
'on_off',
get_lang('RegisterGlobalsInfo')
);
$setting = ini_get('short_open_tag');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'short_open_tag',
'http://www.php.net/manual/en/ini.core.php#ini.short-open-tag',
$setting,
$req_setting,
'on_off',
get_lang('ShortOpenTagInfo')
);
$setting = ini_get('magic_quotes_gpc');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'magic_quotes_gpc',
'http://www.php.net/manual/en/ini.core.php#ini.magic_quotes_gpc',
$setting,
$req_setting,
'on_off',
get_lang('MagicQuotesGpcInfo')
);
$setting = ini_get('display_errors');
$req_setting = 0;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'display_errors',
'http://www.php.net/manual/en/ini.core.php#ini.display_errors',
$setting,
$req_setting,
'on_off',
get_lang('DisplayErrorsInfo')
);
$setting = ini_get('default_charset');
if ($setting == '') {
$setting = null;
}
$req_setting = null;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'default_charset',
'http://www.php.net/manual/en/ini.core.php#ini.default-charset',
$setting,
$req_setting,
null,
get_lang('DefaultCharsetInfo')
);
$setting = ini_get('max_execution_time');
$req_setting = '300 (' . get_lang('minimum') . ')';
$status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'max_execution_time',
'http://www.php.net/manual/en/ini.core.php#ini.max-execution-time',
$setting,
$req_setting,
null,
get_lang('MaxExecutionTimeInfo')
);
$setting = ini_get('max_input_time');
$req_setting = '300 (' . get_lang('minimum') . ')';
$status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'max_input_time',
'http://www.php.net/manual/en/ini.core.php#ini.max-input-time',
$setting,
$req_setting,
null,
get_lang('MaxInputTimeInfo')
);
$setting = ini_get('memory_limit');
$req_setting = '>= ' . REQUIRED_MIN_MEMORY_LIMIT . 'M';
$status = self :: STATUS_ERROR;
if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT) {
$status = self :: STATUS_OK;
}
$array[] = $this->build_setting(
$status,
'[INI]',
'memory_limit',
'http://www.php.net/manual/en/ini.core.php#ini.memory-limit',
$setting,
$req_setting,
null,
get_lang('MemoryLimitInfo')
);
$setting = ini_get('post_max_size');
$req_setting = '>= ' . REQUIRED_MIN_POST_MAX_SIZE . 'M';
$status = self :: STATUS_ERROR;
if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE) {
$status = self :: STATUS_OK;
}
$array[] = $this->build_setting(
$status,
'[INI]',
'post_max_size',
'http://www.php.net/manual/en/ini.core.php#ini.post-max-size',
$setting,
$req_setting,
null,
get_lang('PostMaxSizeInfo')
);
$setting = ini_get('upload_max_filesize');
$req_setting = '>= ' . REQUIRED_MIN_UPLOAD_MAX_FILESIZE . 'M';
$status = self :: STATUS_ERROR;
if ((float)$setting >= REQUIRED_UPLOAD_MAX_FILESIZE) {
$status = self :: STATUS_OK;
}
$array[] = $this->build_setting(
$status,
'[INI]',
'upload_max_filesize',
'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize',
$setting,
$req_setting,
null,
get_lang('UploadMaxFilesizeInfo')
);
$setting = ini_get('variables_order');
$req_setting = 'GPCS';
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[INI]',
'variables_order',
'http://www.php.net/manual/en/ini.core.php#ini.variables-order',
$setting,
$req_setting,
null,
get_lang('VariablesOrderInfo')
);
$setting = ini_get('session.gc_maxlifetime');
$req_setting = '4320';
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[SESSION]',
'session.gc_maxlifetime',
'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime',
$setting,
$req_setting,
null,
get_lang('SessionGCMaxLifetimeInfo')
);
if (api_check_browscap()) {
$setting = true;
} else {
$setting = false;
}
$req_setting = true;
$status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting(
$status,
'[INI]',
'browscap',
'http://www.php.net/manual/en/misc.configuration.php#ini.browscap',
$setting,
$req_setting,
'on_off',
get_lang('BrowscapInfo')
);
//Extensions
$extensions = array(
'gd' => array(
'link' => 'http://www.php.net/gd',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'mysql' => array(
'link' => 'http://www.php.net/mysql',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'pcre' => array(
'link' => 'http://www.php.net/pcre',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'session' => array(
'link' => 'http://www.php.net/session',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'standard' => array(
'link' => 'http://www.php.net/spl',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'zlib' => array(
'link' => 'http://www.php.net/zlib',
'expected' => 1,
'comment' => get_lang('ExtensionMustBeLoaded')
),
'xsl' => array(
'link' => 'http://be2.php.net/xsl',
'expected' => 2,
'comment' => get_lang('ExtensionShouldBeLoaded')
),
'curl' => array(
'link' => 'http://www.php.net/curl',
'expected' => 2,
'comment' => get_lang('ExtensionShouldBeLoaded')
),
);
foreach ($extensions as $extension => $data) {
$url = $data['link'];
$expected_value = $data['expected'];
$comment = $data['comment'];
$loaded = extension_loaded($extension);
$status = $loaded ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting(
$status,
'[EXTENSION]',
get_lang('LoadedExtension') . ': ' . $extension,
$url,
$loaded,
$expected_value,
'yes_no_optional',
$comment
);
}
return $array;
}
/**
* Functions to get the data for the mysql diagnostics
* @return array of data
*/
function get_mysql_data()
{
$array = array();
// A note: Maybe it would be better if all "MySQL"-like variable names and words on the page to be replaced with "Database"-like ones.
//$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[MySQL]', 'mysql_get_host_info()', 'http://www.php.net/manual/en/function.mysql-get-host-info.php', Database::get_host_info(), null, null, get_lang('MysqlHostInfo'));
///$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[MySQL]', 'mysql_get_server_info()', 'http://www.php.net/manual/en/function.mysql-get-server-info.php', Database::get_server_info(), null, null, get_lang('MysqlServerInfo'));
//$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[MySQL]', 'mysql_get_proto_info()', 'http://www.php.net/manual/en/function.mysql-get-proto-info.php', Database::get_proto_info(), null, null, get_lang('MysqlProtoInfo'));
//$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[MySQL]', 'mysql_get_client_info()', 'http://www.php.net/manual/en/function.mysql-get-client-info.php', Database::get_client_info(), null, null, get_lang('MysqlClientInfo'));
return $array;
}
/**
* Functions to get the data for the webserver diagnostics
* @return array of data
*/
function get_webserver_data()
{
$array = array();
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["SERVER_NAME"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["SERVER_NAME"],
null,
null,
get_lang('ServerNameInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["SERVER_ADDR"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["SERVER_ADDR"],
null,
null,
get_lang('ServerAddessInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["SERVER_PORT"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["SERVER_PORT"],
null,
null,
get_lang('ServerPortInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["SERVER_SOFTWARE"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["SERVER_SOFTWARE"],
null,
null,
get_lang('ServerSoftwareInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["REMOTE_ADDR"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["REMOTE_ADDR"],
null,
null,
get_lang('ServerRemoteInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["HTTP_USER_AGENT"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["HTTP_USER_AGENT"],
null,
null,
get_lang('ServerUserAgentInfo')
);
/*$path = $this->manager->get_url(array('section' => Request :: get('section')));
$request = $_SERVER["REQUEST_URI"];
$status = $request != $path ? self :: STATUS_ERROR : self :: STATUS_OK;
$array[] = $this->build_setting($status, '[SERVER]', '$_SERVER["REQUEST_URI"]', 'http://be.php.net/reserved.variables.server', $request, $path, null, get_lang('RequestURIInfo'));
*/
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'$_SERVER["SERVER_PROTOCOL"]',
'http://be.php.net/reserved.variables.server',
$_SERVER["SERVER_PROTOCOL"],
null,
null,
get_lang('ServerProtocolInfo')
);
$array[] = $this->build_setting(
self :: STATUS_INFORMATION,
'[SERVER]',
'php_uname()',
'http://be2.php.net/php_uname',
php_uname(),
null,
null,
get_lang('UnameInfo')
);
return $array;
}
/**
* Additional functions needed for fast integration
*/
function build_setting(
$status,
$section,
$title,
$url,
$current_value,
$expected_value,
$formatter,
$comment,
$img_path = null
)
{
switch ($status) {
case self :: STATUS_OK :
$img = 'bullet_green.gif';
break;
case self :: STATUS_WARNING :
$img = 'bullet_orange.gif';
break;
case self :: STATUS_ERROR :
$img = 'bullet_red.gif';
break;
case self :: STATUS_INFORMATION :
$img = 'bullet_blue.gif';
break;
}
if (!$img_path) {
$img_path = api_get_path(WEB_IMG_PATH);
}
$image = '<img src="' . $img_path . $img . '" alt="' . $status . '" />';
$url = $this->get_link($title, $url);
$formatted_current_value = $current_value;
$formatted_expected_value = $expected_value;
if ($formatter) {
if (method_exists($this, 'format_' . $formatter)) {
$formatted_current_value = call_user_func(array($this, 'format_' . $formatter), $current_value);
$formatted_expected_value = call_user_func(array($this, 'format_' . $formatter), $expected_value);
}
}
return array($image, $section, $url, $formatted_current_value, $formatted_expected_value, $comment);
}
/**
* Create a link with a url and a title
* @param $title
* @param $url
* @return string the url
*/
function get_link($title, $url)
{
return '<a href="' . $url . '" target="about:bank">' . $title . '</a>';
}
function format_yes_no_optional($value)
{
$return = '';
switch ($value) {
case 0:
$return = get_lang('No');
break;
case 1:
$return = get_lang('Yes');
break;
case 2:
$return = get_lang('Optional');
break;
}
return $return;
}
function format_yes_no($value)
{
return $value ? get_lang('Yes') : get_lang('No');
}
function format_on_off($value)
{
$value = intval($value);
if ($value > 1) {
// Greater than 1 values are shown "as-is", they may be interpreted as "On" later.
return $value;
}
// These are the values 'On' and 'Off' used in the php-ini file. Translation (get_lang()) is not needed here.
return $value ? 'On' : 'Off';
}
}