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8baed187 Michal Kliment
<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Setup config controller.
* Configure database connection and .htaccess file before installation.
*
* @author Michal Kliment
* @package Controller
*/
class Setup_config_Controller extends Controller
{
/**
* Introductory page of setup config, only some information about setup config
*
* @author Michal Kliment
*/
public function index()
{
$f_state = $this->get_file_statuses(array('config.php', '.htaccess'));
// check if the database is empty
if ($f_state['file_exist']['config.php'] &&
$f_state['file_exist']['.htaccess'] &&
Settings::get('db_schema_version'))
{
url::redirect('members/show/'.$this->session->get('member_id'));
}
$d_state = $this->get_dir_statuses(array('upload', 'logs'));
$writeable = $f_state['state'] & $d_state['state'];
$html_statuses = $f_state['html'] . $d_state['html'];
if (!server::is_mod_rewrite_enabled())
{
$html_statuses .= html::image(array('src' => 'media/images/icons/status/error.png', 'class' => 'status_icon'));
$html_statuses .= '<span style="color: red">'.__('Mod_rewrite is not enabled').'</span><br>';
$writeable = false;
}
else
{
$html_statuses .= html::image(array('src' => 'media/images/icons/status/success.png', 'class' => 'status_icon'));
$html_statuses .= __('Mod_rewrite is enabled').'<br>';
}
if ($writeable)
{
$form = new Forge('setup_config/htaccess');
$form->submit(__('Next step') . ' >>>');
}
else
{
// new form
$form = new Forge();
$form->submit('Check again');
}

$view = new View('setup_config/main');
$view->content = new View('setup_config/index');
$view->content->form = $form->html();
$view->content->file_statuses = $html_statuses;
$view->content->writeable = $writeable;
$view->content->config_exist = $f_state['file_exist']['config.php'];
$view->render(TRUE);
}
/*
* This method creates new .htaccess file
*
* @author David Raška
*/
public function htaccess()
{
// set subdirectory
$suffix = substr(server::script_name(),0,-9);
$errors = array();
if (!file_exists('.htaccess'))
{
// load .htaccess sample file
$htaccessFile = @file('.htaccess-sample');
if (!$htaccessFile)
{
$errors['fopen'] = TRUE;
}
else
{
foreach ($htaccessFile as $line_num => $line)
{
// find line with RewriteBase
if (preg_match("/^RewriteBase (.+)/", $line))
{
// and set there our suffix (subdirectory)
$htaccessFile[$line_num] = preg_replace(
"/^(RewriteBase )(.+)/",
'${1}'.$suffix, $line
);
}
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// update language after redirection (#460)
else if (preg_match("/ (en)\//", $line))
{
$htaccessFile[$line_num] = str_replace(
' en/', ' ' . Config::get('lang') . '/',
$htaccessFile[$line_num]
);
}
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}
// root directory is writable, create .htacess
$handle = @fopen('.htaccess', 'w');

if (!$handle)
{
$errors['fopen'] = TRUE;
}
else
{
foreach($htaccessFile as $line )
{
@fwrite($handle, $line);
}
@fclose($handle);

if (!@chmod('.htaccess', 0666))
{
$errors['chmod'] = TRUE;
}
}
}
}
if (count($errors))
{
$view = new View('setup_config/main');
$view->content = '<h2>'.__('Error - Cannot create %s file', '.htaccess').'</h2>';
$view->render(TRUE);
}
else
{
if (Settings::get('db_schema_version'))
{
Settings::set('index_page', 0);
}
$this->redirect('setup_config/setup');
}
}

/**
* This method create config file (if root directory is writable)
* or generate code to create it by user
*
* @author Michal Kliment
*/
public function setup()
{
// check if the database is empty
if ($this->settings->get('db_schema_version'))
{
url::redirect('members/show/'.$this->session->get('member_id'));
}
// new form
$form = new Forge('setup_config/setup');
$form->group('<h2>'.__('Database information').'</h2>');
$form->input('db_name')
->label('Database name')
->value('freenetis')
->rules('required')
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->callback(array($this, 'valid_db_name'))
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->help('The name of the database you want to run FreenetIS in.');
$form->input('db_user')
->label('User name')
->value('freenetis')
->rules('required')
->help('Your MySQL username');
$form->input('db_password')
->label('Password')
->value('password')
->rules('required')
->help('Your MySQL password');
$form->input('db_host')
->label('Database host')
->value('localhost')
->rules('required')
->help('99&#37 chance you won\'t need to change this value.');
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$form->submit(__('Next step').' >>>');
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// form is valid
if ($form->validate())
{
// convert object to array
$form_data = $form->as_array(FALSE);

// test connection to database
$con = @mysql_connect(
$form_data['db_host'],
$form_data['db_user'],
$form_data['db_password']
);
$db = @mysql_select_db($form_data['db_name'], $con);
if (!$db)
{
$result = @mysql_query("
CREATE DATABASE `" . mysql_escape_string($form_data['db_name']) . "`
CHARACTER SET utf8 COLLATE utf8_general_ci;
", $con);
if ($result)
{
$db = @mysql_select_db($form_data['db_name'], $con);
}
}

$view = new View('setup_config/main');
$view->content = new View('setup_config/setup');

// cannot connect to database => form data are bad
if (!$con OR !$db)
{
$view->content->error = TRUE;
}
// successfully connect to database, we can create config file
else
{
// load config-sample
$config_file = file('config-sample' . EXT);
foreach ($config_file as $line_num => $line)
{
// find only config lines (no comments or blank lines)
if (preg_match("/^\\\$config\['(.+)'\]/", $line, $matches))
{
// this config line is one from database config
if (isset($form_data[$matches[1]]))
{
// set value from form
$value = $form_data[$matches[1]];
$config_file[$line_num] = preg_replace(
"/^(\\\$config\[')(.+)('\] = ')(.+)(';)/",
'${1}${2}${3}' . $value . '${5}', $line
);
}
}
}
// root directory is writable, create config
$handle = fopen('config.php', 'w');

foreach ($config_file as $line)
{
fwrite($handle, $line);
}

fclose($handle);
chmod('config.php', 0666);
}
$view->render(TRUE);
}
else
{
$view = new View('setup_config/main');
$view->content = $form->html();
$view->render(TRUE);
}
}
/**
* Returns states (exist, writeable) of files in html format and boolean
*
* @author David Raška
* @param array $files
* @return array
*/
private function get_file_statuses($files)
{
$ok = true;
$html = '';
$file_exist = array();
foreach ($files AS $file)
{
if (file_exists($file))
{
$html .= html::image(array('src' => 'media/images/icons/status/success.png', 'class' => 'status_icon'));
$html .= __('File %s exist.',$file).'<br>';
$file_exist[$file] = true;
}
else if (!is_writeable('.'))
{
$html .= html::image(array('src' => 'media/images/icons/status/error.png', 'class' => 'status_icon'));
$html .= '<span style="color: red">'.__('i can\'t write the %s file',$file).'</span><br>'.
'<span style="margin-left: 3em">'.__('Change root FreenetIS directory permissions:').' <code>chmod ugo+w '.server::base_dir().'</code></span><br>';
$ok = false;
$file_exist[$file] = false;
}
else
{
$html .= html::image(array('src' => 'media/images/icons/status/info.png', 'class' => 'status_icon'));
$html .= __('File %s will be created.',$file).'<br>';
$file_exist[$file] = false;
}
}
return array('state' => $ok, 'html' => $html, 'file_exist' => $file_exist);
}
/**
* Returns states (exist & writeable) of directories in html format and boolean
*
* @param array $dirs
* @return array
*/
private function get_dir_statuses($dirs)
{
$ok = true;
$html = '';
foreach ($dirs AS $dir)
{
if (file_exists($dir) && is_writeable($dir))
{
$html .= html::image(array('src' => 'media/images/icons/status/success.png', 'class' => 'status_icon'));
$html .= __('Directory %s exist and is writeable.',$dir).'<br>';
}
else
{
$html .= html::image(array('src' => 'media/images/icons/status/error.png', 'class' => 'status_icon'));
$html .= '<span style="color: red">'.__('i can\'t write to dir %s',$dir).'</span><br>'.
'<span style="margin-left: 3em">'.__('Change directory permissions:').' <code>chmod ugo+w '.server::base_dir().'/'.$dir.'</code></span><br>';
$ok = false;
}
}
return array('state' => $ok, 'html' => $html);
}

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/**
* Callback function validator for DB name.
*
* @param object $input
*/
public function valid_db_name($input = NULL)
{
// validators cannot be accessed
if (empty($input) || !is_object($input))
{
self::error(PAGE);
}

$value = $input->value;

if (!empty($value) && !preg_match('/^[a-z0-9_-]+$/i', $value))
{
$input->add_error('required', __(
'Only alpha numeric characters, \'-\' and \'_\' allowed.'
));
}
}

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}