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chamilo-lms
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Adding diagnoser from Chamilo 2.0

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skala
Julio Montoya 16 years ago
parent fc14b7574a
commit c36643de1f
1 changed files with 324 additions and 0 deletions
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  1. 324
      main/inc/lib/diagnoser.lib.php

324
main/inc/lib/diagnoser.lib.php
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<?php
/**
* $Id: diagnoser.class.php 128 2009-11-09 13:13:20Z vanpouckesven $
* @package common.diagnoser
* @author spou595
*
* Class that is responsible for generating diagnostic information about the system
*/
require_once dirname(__FILE__) . '/diagnoser_cellrenderer.class.php';
class Diagnoser
{
/**
* The manager where this diagnoser runs on
*/
private $manager;
/**
* The status's
*/
const STATUS_OK = 1;
const STATUS_WARNING = 2;
const STATUS_ERROR = 3;
const STATUS_INFORMATION = 4;
function Diagnoser($manager = null)
{
$this->manager = $manager;
}
function to_html()
{
$sections = array('chamilo', 'php', 'mysql', 'webserver');
$current_section = Request :: get('section');
$current_section = $current_section ? $current_section : 'chamilo';
$html[] = '<br /><div class="tabbed-pane"><ul class="tabbed-pane-tabs">';
foreach ($sections as $section)
{
$html[] = '<li><a';
if ($current_section == $section)
{
$html[] = ' class="current"';
}
$params = $this->manager->get_parameters();
$params['section'] = $section;
$html[] = ' href="' . $this->manager->get_url($params, true) . '">' . htmlentities(Translation :: get(ucfirst($section) . 'Title')) . '</a></li>';
}
$html[] = '</ul><div class="tabbed-pane-content">';
$data = call_user_func(array($this, 'get_' . $current_section . '_data'));
$table = new SimpleTable($data, new DiagnoserCellRenderer(), null, 'diagnoser');
$html[] = $table->toHTML();
$html[] = '</div></div>';
return implode("\n", $html);
}
/**
* Functions to get the data for the chamilo diagnostics
* @return array of data
*/
function get_chamilo_data()
{
$array = array();
$writable_folders = array('/files', '/files/repository/', '/files/temp', '/common/configuration');
foreach ($writable_folders as $index => $folder)
{
$writable = is_writable(Path :: get(SYS_PATH) . $folder);
$status = $writable ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting($status, '[FILES]', Translation :: get('IsWritable') . ': ' . $folder, 'http://be2.php.net/manual/en/function.is-writable.php', $writable, 1, 'yes_no', Translation :: get('DirectoryMustBeWritable'));
}
$exists = ! file_exists(Path :: get(SYS_PATH) . '/install');
$status = $exists ? self :: STATUS_OK : self :: STATUS_WARNING;
$array[] = $this->build_setting($status, '[FILES]', Translation :: get('DirectoryExists') . ': /install', 'http://be2.php.net/file_exists', $writable, 0, 'yes_no', Translation :: get('DirectoryShouldBeRemoved'));
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 > '5.2' ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting($status, '[PHP]', 'phpversion()', 'http://www.php.net/manual/en/function.phpversion.php', phpversion(), '>= 5.2', null, Translation :: get('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', Translation :: get('FileUploadsInfo'));
$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', Translation :: get('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', Translation :: get('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', Translation :: get('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', Translation :: get('RegisterGlobalsInfo'));
$setting = ini_get('short_open_tag');
$req_setting = 1;
$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', Translation :: get('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', Translation :: get('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', Translation :: get('DisplayErrorsInfo'));
$setting = ini_get('upload_max_filesize');
$req_setting = '10M - 100M - ...';
if ($setting < 10)
$status = self :: STATUS_ERROR;
if ($setting >= 10 && $setting < 100)
$status = self :: STATUS_WARNING;
if ($setting >= 100)
$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, Translation :: get('UploadMaxFilesizeInfo'));
$setting = ini_get('default_charset');
if ($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, Translation :: get('DefaultCharsetInfo'));
$setting = ini_get('max_execution_time');
$req_setting = '300 (' . Translation :: get('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, Translation :: get('MaxExecutionTimeInfo'));
$setting = ini_get('max_input_time');
$req_setting = '300 (' . Translation :: get('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, Translation :: get('MaxInputTimeInfo'));
$setting = ini_get('memory_limit');
$req_setting = '10M - 100M - ...';
if ($setting < 10)
$status = self :: STATUS_ERROR;
if ($setting >= 10 && $setting < 100)
$status = self :: STATUS_WARNING;
if ($setting >= 100)
$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, Translation :: get('MemoryLimitInfo'));
$setting = ini_get('post_max_size');
$req_setting = '10M - 100M - ...';
if ($setting < 10)
$status = self :: STATUS_ERROR;
if ($setting >= 10 && $setting < 100)
$status = self :: STATUS_WARNING;
if ($setting >= 100)
$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, Translation :: get('PostMaxSizeInfo'));
$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, Translation :: get('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, Translation :: get('SessionGCMaxLifetimeInfo'));
//Extensions
$extensions = array('gd' => 'http://www.php.net/gd', 'mysql' => 'http://www.php.net/mysql', 'pcre' => 'http://www.php.net/pcre', 'session' => 'http://www.php.net/session', 'standard' => 'http://www.php.net/spl', 'zlib' => 'http://www.php.net/zlib', 'xsl' => 'http://be2.php.net/xsl');
foreach ($extensions as $extension => $url)
{
$loaded = extension_loaded($extension);
$status = $loaded ? self :: STATUS_OK : self :: STATUS_ERROR;
$array[] = $this->build_setting($status, '[EXTENSION]', Translation :: get('ExtensionLoaded') . ': ' . $extension, $url, $loaded, 1, 'yes_no', Translation :: get('ExtensionMustBeLoaded'));
}
return $array;
}
/**
* Functions to get the data for the mysql diagnostics
* @return array of data
*/
function get_mysql_data()
{
$array = array();
$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[MySQL]', 'mysql_get_host_info()', 'http://www.php.net/manual/en/function.mysql-get-host-info.php', mysql_get_host_info(), null, null, Translation :: get('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', mysql_get_server_info(), null, null, Translation :: get('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', mysql_get_proto_info(), null, null, Translation :: get('MysqlProtoInfo'));
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_ADDR"]', 'http://be.php.net/reserved.variables.server', $_SERVER["SERVER_ADDR"], null, null, Translation :: get('ServerIPInfo'));
$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[SERVER]', '$_SERVER["SERVER_SOFTWARE"]', 'http://be.php.net/reserved.variables.server', $_SERVER["SERVER_SOFTWARE"], null, null, Translation :: get('ServerSoftwareInfo'));
$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[SERVER]', '$_SERVER["REMOTE_ADDR"]', 'http://be.php.net/reserved.variables.server', $_SERVER["REMOTE_ADDR"], null, null, Translation :: get('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, Translation :: get('ServerRemoteInfo'));
$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, Translation :: get('RequestURIInfo'));
$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[SERVER]', '$_SERVER["SERVER_PROTOCOL"]', 'http://be.php.net/reserved.variables.server', $_SERVER["SERVER_PROTOCOL"], null, null, Translation :: get('ServerProtocolInfo'));
$array[] = $this->build_setting(self :: STATUS_INFORMATION, '[SERVER]', 'php_uname()', 'http://be2.php.net/php_uname', php_uname(), null, null, Translation :: get('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 = 'status_ok_mini.png';
break;
case self :: STATUS_WARNING :
$img = 'status_warning_mini.png';
break;
case self :: STATUS_ERROR :
$img = 'status_error_mini.png';
break;
case self :: STATUS_INFORMATION :
$img = 'status_confirmation_mini.png';
break;
}
if (! $img_path)
{
$img_path = Theme :: get_common_image_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">' . $title . '</a>';
}
function format_yes_no($value)
{
return $value ? Translation :: get('Yes') : Translation :: get('No');
}
function format_on_off($value)
{
return $value ? Translation :: get('On') : Translation :: get('Off');
}
}
?>
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