/
InstallerController.php
1250 lines (1103 loc) · 50.5 KB
/
InstallerController.php
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/*
* LimeSurvey (tm)
* Copyright (C) 2011 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
* @author Shubham Sachdeva
*/
/**
* Installer
*
* @todo Output code belongs into view
*
* @package LimeSurvey
* @author Shubham Sachdeva
* @copyright 2011
* @version $Id$
* @access public
*/
class InstallerController extends CController {
/**
* @var CDbConnection
*/
public $connection;
/**
* clang
*/
public $lang = null;
/**
* Checks for action specific authorization and then executes an action
*
* @access public
* @param string $action
* @return bool
*/
public function run($action = 'index')
{
self::_checkInstallation();
self::_sessioncontrol();
switch ($action) {
case 'welcome':
$this->stepWelcome();
break;
case 'license':
$this->stepLicense();
break;
case 'viewlicense':
$this->stepViewLicense();
break;
case 'precheck':
$this->stepPreInstallationCheck();
break;
case 'database':
$this->stepDatabaseConfiguration();
break;
case 'createdb':
$this->stepCreateDb();
break;
case 'populatedb':
$this->stepPopulateDb();
break;
case 'optional':
$this->stepOptionalConfiguration();
break;
case 'index' :
default :
$this->redirect($this->createUrl('installer/welcome'));
break;
}
}
/**
* Installer::_checkInstallation()
*
* Based on existance of 'sample_installer_file.txt' file, check if
* installation should proceed further or not.
* @return
*/
function _checkInstallation()
{
if (file_exists(APPPATH . 'config/config.php') && empty($_POST['InstallerConfigForm']))
{
throw new CHttpException(500, 'Installation has been done already. Installer disabled.');
exit();
}
}
/**
* Load and set session vars
*
* @access protected
* @return void
*/
protected function _sessioncontrol()
{
if (empty(Yii::app()->session['installerLang']))
Yii::app()->session['installerLang'] = 'en';
Yii::import('application.libraries.Limesurvey_lang');
$this->lang = new Limesurvey_lang(Yii::app()->session['installerLang']);
Yii::app()->setLang($this->lang);
}
/**
* welcome and language selection install step
*/
private function stepWelcome()
{
if (!empty($_POST['installerLang']))
{
Yii::app()->session['installerLang'] = $_POST['installerLang'];
$this->redirect($this->createUrl('installer/license'));
}
$this->loadHelper('surveytranslator');
Yii::app()->session->remove('configFileWritten');
$aData['clang'] = $clang = $this->lang;
$aData['title'] = $clang->gT('Welcome');
$aData['descp'] = $clang->gT('Welcome to the LimeSurvey installation wizard. This wizard will guide you through the installation, database setup and initial configuration of LimeSurvey.');
$aData['classesForStep'] = array('on','off','off','off','off','off');
$aData['progressValue'] = 0;
if (isset(Yii::app()->session['installerLang']))
{
$currentLanguage=Yii::app()->session['installerLang'];
}
else
$currentLanguage='en';
foreach(getLanguageData(true, $currentLanguage) as $langkey => $languagekind)
{
$languages[htmlspecialchars($langkey)] = sprintf('%s - %s', $languagekind['nativedescription'], $languagekind['description']);
}
$aData['languages']=$languages;
$this->render('/installer/welcome_view',$aData);
}
/**
* Display license
*/
private function stepLicense()
{
$aData['clang'] = $clang = $this->lang;
// $aData array contain all the information required by view.
$aData['title'] = $clang->gT('License');
$aData['descp'] = $clang->gT('GNU General Public License:');
$aData['classesForStep'] = array('off','on','off','off','off','off');
$aData['progressValue']=0;
if (strtolower($_SERVER['REQUEST_METHOD']) == 'post')
{
$this->redirect($this->createUrl('installer/precheck'));
}
$this->render('/installer/license_view',$aData);
}
/**
* display the license file as IIS for example
* does not display it via the server.
*/
public function stepViewLicense()
{
$filename = dirname(BASEPATH) . '/docs/license.txt';
header('Content-Type: text/plain; charset=UTF-8');
readfile($filename);
exit;
}
/**
* check a few writing permissions and optional settings
*/
private function stepPreInstallationCheck()
{
$aData['clang'] = $clang = $this->lang;
$model = new InstallerConfigForm();
//usual data required by view
$aData['title'] = $clang->gT('Pre-installation check');
$aData['descp'] = $clang->gT('Pre-installation check for LimeSurvey ').Yii::app()->getConfig('versionnumber');
$aData['classesForStep'] = array('off','off','on','off','off','off');
$aData['progressValue'] = 20;
$aData['phpVersion'] = phpversion();
// variable storing next button link.initially null
$aData['next'] = '';
$aData['dbtypes']=$model->supported_db_types;
$bProceed = $this->_check_requirements($aData);
$aData['dbtypes']=$model->supported_db_types;
if(count($aData['dbtypes'])==0)
{
$bProceed=false;
}
// after all check, if flag value is true, show next button and sabe step2 status.
if ($bProceed)
{
$aData['next'] = true;
Yii::app()->session['step2'] = true;
}
$this->render('/installer/precheck_view',$aData);
}
/**
* Configure database screen
*/
private function stepDatabaseConfiguration()
{
$this->loadHelper('surveytranslator');
$aData['clang'] = $clang = $this->lang;
// usual data required by view
$aData['title'] = $clang->gT('Database configuration');
$aData['descp'] = $clang->gT('Please enter the database settings you want to use for LimeSurvey:');
$aData['classesForStep'] = array('off','off','off','on','off','off');
$aData['progressValue'] = 40;
$aData['model'] = $model = new InstallerConfigForm;
if(isset($_POST['InstallerConfigForm']))
{
$model->attributes = $_POST['InstallerConfigForm'];
//run validation, if it fails, load the view again else proceed to next step.
if($model->validate()) {
$sDatabaseType = $model->dbtype;
$sDatabaseName = $model->dbname;
$sDatabaseUser = $model->dbuser;
$sDatabasePwd = $model->dbpwd;
$sDatabasePrefix = $model->dbprefix;
$sDatabaseLocation = $model->dblocation;
$sDatabasePort = '';
if (strpos($sDatabaseLocation, ':')!==false)
{
list($sDatabaseLocation, $sDatabasePort) = explode(':', $sDatabaseLocation, 2);
}
else
{
$sDatabasePort = self::_getDbPort($sDatabaseType, $sDatabasePort);
}
$bDBExists = false;
$bDBConnectionWorks = false;
$aDbConfig = compact('sDatabaseType', 'sDatabaseName', 'sDatabaseUser', 'sDatabasePwd', 'sDatabasePrefix', 'sDatabaseLocation', 'sDatabasePort');
if (self::_dbConnect($aDbConfig, array())) {
$bDBExists = true;
$bDBConnectionWorks = true;
} else {
$aDbConfig['sDatabaseName'] = '';
if (self::_dbConnect($aDbConfig, array())) {
$bDBConnectionWorks = true;
} else {
$model->addError('dblocation', $clang->gT('Try again! Connection with database failed.'));
}
}
//if connection with database fail
if ($bDBConnectionWorks)
{
//saving the form data
foreach(array('dbname', 'dbtype', 'dbpwd', 'dbuser', 'dbprefix') as $sStatusKey) {
Yii::app()->session[$sStatusKey] = $model->$sStatusKey;
}
Yii::app()->session['dbport'] = $sDatabasePort;
Yii::app()->session['dblocation'] = $sDatabaseLocation;
//check if table exists or not
$sTestTablename = 'surveys';
$bTablesDoNotExist = false;
// Check if the surveys table exists or not
if ($bDBExists == true) {
try {
$this->connection->createCommand()->select()->from('{{surveys}}')->queryAll();
} catch(Exception $e) {
$bTablesDoNotExist = true;
}
}
$dbexistsbutempty = ($bDBExists && $bTablesDoNotExist);
//store them in session
Yii::app()->session['databaseexist'] = $bDBExists;
Yii::app()->session['tablesexist'] = !$bTablesDoNotExist;
// If database is up to date, redirect to administration screen.
if ($bDBExists && !$bTablesDoNotExist)
{
Yii::app()->session['optconfig_message'] = sprintf('<b>%s</b>', $clang->gT('The database you specified is up to date.'));
Yii::app()->session['step3'] = true;
//wrte config file! as we no longer redirect to optional view
$this->_writeConfigFile();
//$this->redirect($this->createUrl("installer/loadOptView"));
header("refresh:5;url=".$this->createUrl("/admin"));
echo sprintf( $clang->gT('The database you specified is up to date. You\'ll be redirected in 5 seconds. If not, click <a href="%s">here</a>.', 'unescaped'), $this->createUrl("/admin"));
exit();
}
if (in_array($model->dbtype, array('mysql', 'mysqli'))) {
//for development - use mysql in the strictest mode //Checked)
if (Yii::app()->getConfig('debug')>1) {
$this->connection->createCommand("SET SESSION SQL_MODE='STRICT_ALL_TABLES,ANSI'")->execute();
}
$versioninfo = $this->connection->getServerVersion();
if (version_compare($versioninfo,'4.1','<'))
{
die("<br />Error: You need at least MySQL version 4.1 to run LimeSurvey. Your version:".$versioninfo);
}
@$this->connection->createCommand("SET CHARACTER SET 'utf8'")->execute(); //Checked
@$this->connection->createCommand("SET NAMES 'utf8'")->execute(); //Checked
}
// Setting dateformat for mssql driver. It seems if you don't do that the in- and output format could be different
if (in_array($model->dbtype, array('mssql', 'sqlsrv'))) {
@$this->connection->createCommand('SET DATEFORMAT ymd;')->execute(); //Checked
@$this->connection->createCommand('SET QUOTED_IDENTIFIER ON;')->execute(); //Checked
}
//$aData array won't work here. changing the name
$values['title'] = $clang->gT('Database settings');
$values['descp'] = $clang->gT('Database settings');
$values['classesForStep'] = array('off','off','off','off','on','off');
$values['progressValue'] = 60;
//it store text content
$values['adminoutputText'] = '';
//it store the form code to be displayed
$values['adminoutputForm'] = '';
//if DB exist, check if its empty or up to date. if not, tell user LS can create it.
if (!$bDBExists)
{
Yii::app()->session['databaseDontExist'] = true;
$values['adminoutputText'].= "\t<tr bgcolor='#efefef'><td align='center'>\n"
."<strong>".$clang->gT("Database doesn't exist!")."</strong><br /><br />\n"
.$clang->gT("The database you specified does not exist:")."<br /><br />\n<strong>".$model->dbname."</strong><br /><br />\n"
.$clang->gT("LimeSurvey can attempt to create this database for you.")."<br /><br />\n";
$values['adminoutputForm'] = "<form action='".$this->createUrl("installer/createdb")."' method='post'><input type='submit' value='"
.$clang->gT("Create database")."' class='ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only' /></form>";
}
elseif ($dbexistsbutempty) //&& !(returnGlobal('createdbstep2')==$clang->gT("Populate database")))
{
Yii::app()->session['populatedatabase'] = true;
//$this->connection->database = $model->dbname;
// //$this->connection->createCommand("USE DATABASE `".$model->dbname."`")->execute();
$values['adminoutputText'].= sprintf($clang->gT('A database named "%s" already exists.'),$model->dbname)."<br /><br />\n"
.$clang->gT("Do you want to populate that database now by creating the necessary tables?")."<br /><br />";
$values['adminoutputForm']= "<form method='post' action='".$this->createUrl("installer/populatedb")."'>"
."<input class='ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only' type='submit' name='createdbstep2' value='".$clang->gT("Populate database")."' />"
."</form>";
}
elseif (!$dbexistsbutempty)
{
//DB EXISTS, CHECK FOR APPROPRIATE UPGRADES
//$this->connection->database = $model->dbname;
//$this->connection->createCommand("USE DATABASE `$databasename`")->execute();
/* @todo Implement Upgrade */
//$output=CheckForDBUpgrades();
if ($output== '') {$values['adminoutput'].='<br />'.$clang->gT('LimeSurvey database is up to date. No action needed');}
else {$values['adminoutput'].=$output;}
$values['adminoutput'].= "<br />" . sprintf($clang->gT('Please <a href="%s">log in</a>.', 'unescaped'), $this->createUrl("/admin"));
}
$values['clang'] = $clang;
$this->render('/installer/dbsettings_view', $values);
} else {
$this->render('/installer/dbconfig_view', $aData);
}
} else {
$this->render('/installer/dbconfig_view', $aData);
}
} else {
$this->render('/installer/dbconfig_view', $aData);
}
}
/**
* Installer::stepCreateDb()
* Create database.
* @return
*/
function stepCreateDb()
{
// check status. to be called only when database don't exist else rdirect to proper link.
if(!Yii::app()->session['databaseDontExist']) {
$this->redirect($this->createUrl('installer/welcome'));
}
$aData['clang'] = $clang = $this->lang;
$aData['model'] = $model = new InstallerConfigForm;
$aData['title'] = $clang->gT("Database configuration");
$aData['descp'] = $clang->gT("Please enter the database settings you want to use for LimeSurvey:");
$aData['classesForStep'] = array('off','off','off','on','off','off');
$aData['progressValue'] = 40;
$aDbConfig = self::_getDatabaseConfig();
extract($aDbConfig);
// unset database name for connection, since we want to create it and it doesn't already exists
$aDbConfig['sDatabaseName'] = '';
self::_dbConnect($aDbConfig, $aData);
$aData['adminoutputForm'] = '';
// Yii doesn't have a method to create a database
$createDb = true; // We are thinking positive
switch ($sDatabaseType)
{
case 'mysqli':
case 'mysql':
try
{
$this->connection->createCommand("CREATE DATABASE `$sDatabaseName` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci")->execute();
}
catch(Exception $e)
{
$createDb=false;
}
break;
case 'mssql':
case 'odbc':
try
{
$this->connection->createCommand("CREATE DATABASE [$sDatabaseName];")->execute();
}
catch(Exception $e)
{
$createDb=false;
}
break;
case 'postgres':
try
{
$this->connection->createCommand("CREATE DATABASE \"$sDatabaseName\" ENCODING 'UTF8'")->execute();
}
catch (Exception $e)
{
$createdb = false;
}
break;
default:
try
{
$this->connection->createCommand("CREATE DATABASE $sDatabaseName")->execute();
}
catch(Exception $e)
{
$createDb=false;
}
break;
}
//$this->load->dbforge();
if ($createDb) //Database has been successfully created
{
$sDsn = self::_getDsn($sDatabaseType, $sDatabaseLocation, $sDatabasePort, $sDatabaseName, $sDatabaseUser, $sDatabasePwd);
$this->connection = new CDbConnection($sDsn, $sDatabaseUser, $sDatabasePwd);
Yii::app()->session['populatedatabase'] = true;
Yii::app()->session['databaseexist'] = true;
unset(Yii::app()->session['databaseDontExist']);
$aData['adminoutputText'] = "<tr bgcolor='#efefef'><td colspan='2' align='center'> <br />"
."<strong><font class='successtitle'>\n"
.$clang->gT("Database has been created.")."</font></strong><br /><br />\n"
.$clang->gT("Please continue with populating the database.")."<br /><br />\n";
$aData['adminoutputForm'] = "<form method='post' action='".$this->createUrl('installer/populatedb')."'>"
."<input class='ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only' type='submit' name='createdbstep2' value='".$clang->gT("Populate database")."' /></form>";
}
else
{
$model->addError('dblocation', $clang->gT('Try again! Connection with database failed.'));
$this->render('/installer/dbconfig_view',$aData);
}
$aData['title'] = $clang->gT("Database settings");
$aData['descp'] = $clang->gT("Database settings");
$aData['classesForStep'] = array('off','off','off','off','on','off');
$aData['progressValue'] = 60;
$this->render('/installer/dbsettings_view',$aData);
}
/**
* Installer::stepPopulateDb()
* Function to populate the database.
* @return
*/
function stepPopulateDb()
{
if (!Yii::app()->session['populatedatabase'])
{
$this->redirect($this->createUrl('installer/welcome'));
}
$aData['clang'] = $clang = $this->lang;
$aData['model'] = $model = new InstallerConfigForm;
$aData['title'] = $clang->gT("Database configuration");
$aData['descp'] = $clang->gT("Please enter the database settings you want to use for LimeSurvey:");
$aData['classesForStep'] = array('off','off','off','on','off','off');
$aData['progressValue'] = 40;
$aDbConfig = self::_getDatabaseConfig();
extract($aDbConfig);
self::_dbConnect($aDbConfig, $aData);
/* @todo Use Yii as it supports various db types and would better handle this process */
switch ($sDatabaseType)
{
case 'mysqli':
case 'mysql':
$sql_file = 'mysql';
break;
case 'sqlsrv':
case 'mssql':
$sql_file = 'mssql';
break;
case 'pgsql':
$sql_file = 'pgsql';
break;
default:
throw new Exception(sprintf('Unkown database type "%s".', $sDatabaseType));
}
//checking DB Connection
$aErrors = self::_setup_tables(dirname(APPPATH).'/installer/sql/create-'.$sql_file.'.sql');
if ($aErrors === false)
{
$model->addError('dblocation', $clang->gT('Try again! Connection with database failed. Reason: ').implode(', ', $aErrors));
$this->render('/installer/dbconfig_view', $aData);
}
elseif (count($aErrors)==0)
{
//$data1['adminoutput'] = '';
//$data1['adminoutput'] .= sprintf("Database `%s` has been successfully populated.",$dbname)."</font></strong></font><br /><br />\n";
//$data1['adminoutput'] .= "<input type='submit' value='Main Admin Screen' onclick=''>";
$confirmation = sprintf($clang->gT("Database %s has been successfully populated."), sprintf('<b>%s</b>', Yii::app()->session['dbname']));
}
else
{
$confirmation = $clang->gT('Database was populated but there were errors:').'<p><ul>';
foreach ($aErrors as $sError)
{
$confirmation.='<li>'.htmlspecialchars($sError).'</li>';
}
$confirmation.='</ul>';
}
Yii::app()->session['tablesexist'] = true;
Yii::app()->session['step3'] = true;
Yii::app()->session['optconfig_message'] = $confirmation;
unset(Yii::app()->session['populatedatabase']);
$this->redirect($this->createUrl('installer/optional'));
}
/**
* Optional settings screen
*/
private function stepOptionalConfiguration()
{
$aData['clang'] = $clang = $this->lang;
$aData['confirmation'] = Yii::app()->session['optconfig_message'];
$aData['title'] = $clang->gT("Optional settings");
$aData['descp'] = $clang->gT("Optional settings to give you a head start");
$aData['classesForStep'] = array('off','off','off','off','off','on');
$aData['progressValue'] = 80;
$this->loadHelper('surveytranslator');
$aData['model'] = $model = new InstallerConfigForm('optional');
if(isset($_POST['InstallerConfigForm']))
{
$model->attributes = $_POST['InstallerConfigForm'];
//run validation, if it fails, load the view again else proceed to next step.
if($model->validate()) {
$adminLoginPwd = $model->adminLoginPwd;
$confirmPwd = $model->confirmPwd;
$defaultuser = $model->adminLoginName;
$defaultpass = $model->adminLoginPwd;
$siteadminname = $model->adminName;
$siteadminbounce = $siteadminemail = $model->adminEmail;
$sitename = $model->siteName;
$defaultlang = $model->surveylang;
$aData['title'] = $clang->gT("Database configuration");
$aData['descp'] = $clang->gT("Please enter the database settings you want to use for LimeSurvey:");
$aData['classesForStep'] = array('off','off','off','on','off','off');
$aData['progressValue'] = 40;
//config file is written, and we've a db in place
$this->connection = Yii::app()->db;
//checking DB Connection
if ($this->connection->getActive() == true) {
$password_hash=hash('sha256', $defaultpass);
try {
$this->connection->createCommand()->insert('{{users}}', array('users_name' => $defaultuser, 'password' => $password_hash, 'full_name' => $siteadminname, 'parent_id' => 0, 'lang' => $defaultlang, 'email' => $siteadminemail, 'create_survey' => 1, 'create_user' => 1, 'participant_panel' => 1, 'delete_user' => 1, 'superadmin' => 1, 'configurator' => 1, 'manage_template' => 1, 'manage_label' => 1));
$this->connection->createCommand()->insert("{{settings_global}}", array('stg_name' => 'SessionName', 'stg_value' => 'ls'.self::_getRandomID().self::_getRandomID().self::_getRandomID()));
foreach(array('sitename', 'siteadminname', 'siteadminemail', 'siteadminbounce', 'defaultlang') as $insert) {
$this->connection->createCommand()->insert("{{settings_global}}", array('stg_name' => $insert, 'stg_value' => $$insert));
}
// only continue if we're error free otherwise setup is broken.
} catch (Exception $e) {
throw new Exception(sprintf('Could not add optional settings: %s.', $e));
}
Yii::app()->session['deletedirectories'] = true;
$aData['title'] = $clang->gT("Success!");
$aData['descp'] = $clang->gT("LimeSurvey has been installed successfully.");
$aData['classesForStep'] = array('off','off','off','off','off','off');
$aData['progressValue'] = 100;
$aData['user'] = $defaultuser;
$aData['pwd'] = $defaultpass;
$this->render('/installer/success_view', $aData);
exit();
}
} else {
// if passwords don't match, redirect to proper link.
Yii::app()->session['optconfig_message'] = sprintf('<b>%s</b>', $clang->gT("Passwords don't match."));
$this->redirect($this->createUrl('installer/optional'));
}
} elseif(empty(Yii::app()->session['configFileWritten'])) {
$this->_writeConfigFile();
}
$this->render('/installer/optconfig_view', $aData);
}
/**
* Loads a helper
*
* @access public
* @param string $helper
* @return void
*/
public function loadHelper($helper)
{
Yii::import('application.helpers.' . $helper . '_helper', true);
}
/**
* Loads a library
*
* @access public
* @param string $helper
* @return void
*/
public function loadLibrary($library)
{
Yii::import('application.libraries.'.$library, true);
}
/**
* check requirements
*
* @param array $data return theme variables
* @return bool requirements met
*/
private function _check_requirements(&$data)
{
// proceed variable check if all requirements are true. If any of them is false, proceed is set false.
$bProceed = true; //lets be optimistic!
/**
* check image HTML template
*
* @param bool $result
*/
function check_HTML_image($result)
{
$label = array('wrong', 'right');
return sprintf('<img src="%s/installer/images/tick-%s.png" alt="Found" />', Yii::app()->baseUrl, $label[$result]);
}
function is_writable_recursive($dir)
{
$folder = opendir($dir);
while($file = readdir( $folder ))
if($file != '.' && $file != '..' &&
( !is_writable( $dir."/".$file ) ||
( is_dir( $dir."/".$file ) && !is_writable_recursive( $dir."/".$file ) ) ))
{
closedir($folder);
return false;
}
closedir($folder);
return true;
}
/**
* check for a specific PHPFunction, return HTML image
*
* @param string $function
* @param string $image return
* @return bool result
*/
function check_PHPFunction($function, &$image)
{
$result = function_exists($function);
$image = check_HTML_image($result);
return $result;
}
/**
* check if file or directory exists and is writeable, returns via parameters by reference
*
* @param string $path file or directory to check
* @param int $type 0:undefined (invalid), 1:file, 2:directory
* @param string $data to manipulate
* @param string $base key for data manipulation
* @param string $keyError key for error data
* @return bool result of check (that it is writeable which implies existance)
*/
function check_PathWriteable($path, $type, &$data, $base, $keyError, $bRecursive=false)
{
$result = false;
$data[$base.'Present'] = 'Not Found';
$data[$base.'Writable'] = '';
switch($type) {
case 1:
$exists = is_file($path);
break;
case 2:
$exists = is_dir($path);
break;
default:
throw new Exception('Invalid type given.');
}
if ($exists)
{
$data[$base.'Present'] = 'Found';
if ((!$bRecursive && is_writable($path)) || ($bRecursive && is_writable_recursive($path)))
{
$data[$base.'Writable'] = 'Writable';
$result = true;
}
else
{
$data[$base.'Writable'] = 'Unwritable';
}
}
$result || $data[$keyError] = true;
return $result;
}
/**
* check if file exists and is writeable, returns via parameters by reference
*
* @param string $file to check
* @param string $data to manipulate
* @param string $base key for data manipulation
* @param string $keyError key for error data
* @return bool result of check (that it is writeable which implies existance)
*/
function check_FileWriteable($file, &$data, $base, $keyError)
{
return check_PathWriteable($file, 1, $data, $base, $keyError);
}
/**
* check if directory exists and is writeable, returns via parameters by reference
*
* @param string $directory to check
* @param string $data to manipulate
* @param string $base key for data manipulation
* @param string $keyError key for error data
* @return bool result of check (that it is writeable which implies existance)
*/
function check_DirectoryWriteable($directory, &$data, $base, $keyError, $bRecursive=false)
{
return check_PathWriteable($directory, 2, $data, $base, $keyError, $bRecursive);
}
// version check
if (version_compare(PHP_VERSION, '5.1.6', '<'))
$bProceed = !$data['verror'] = true;
// mbstring library check
if (!check_PHPFunction('mb_convert_encoding', $data['mbstringPresent']))
$bProceed = false;
// ** file and directory permissions checking **
// config directory
if (!check_DirectoryWriteable(Yii::app()->getConfig('rootdir').'/application/config', $data, 'config', 'derror') )
$bProceed = false;
// templates directory check
if (!check_DirectoryWriteable(Yii::app()->getConfig('tempdir').'/', $data, 'tmpdir', 'tperror',true) )
$bProceed = false;
//upload directory check
if (!check_DirectoryWriteable(Yii::app()->getConfig('uploaddir').'/', $data, 'uploaddir', 'uerror',true) )
$bProceed = false;
// ** optional settings check **
// gd library check
if (function_exists('gd_info')) {
$data['gdPresent'] = check_HTML_image(array_key_exists('FreeType Support', gd_info()));
} else {
$data['gdPresent'] = check_HTML_image(false);
}
// ldap library check
check_PHPFunction('ldap_connect', $data['ldapPresent']);
// php zip library check
check_PHPFunction('zip_open', $data['zipPresent']);
// zlib php library check
check_PHPFunction('zlib_get_coding_type', $data['zlibPresent']);
return $bProceed;
}
/**
* Installer::_setup_tables()
* Function that actually modify the database. Read $sqlfile and execute it.
* @param string $sqlfile
* @return Empty string if everything was okay - otherwise the error messages
*/
function _setup_tables($sFileName, $aDbConfig = array(), $sDatabasePrefix = '')
{
extract(empty($aDbConfig) ? self::_getDatabaseConfig() : $aDbConfig);
switch ($sDatabaseType) {
case 'mysql':
case 'mysqli':
$this->connection->createCommand("ALTER DATABASE ". $this->connection->quoteTableName($sDatabaseName) ." DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;")->execute();
break;
case 'pgsql':
if (version_compare($this->connection->getServerVersion(),'9','>=')) {
$this->connection->createCommand("ALTER DATABASE ". $this->connection->quoteTableName($sDatabaseName) ." SET bytea_output='escape';")->execute();
}
break;
}
return $this->_executeSQLFile($sFileName, $sDatabasePrefix);
}
/**
* Executes an SQL file
*
* @param string $sFileName
* @param string $sDatabasePrefix
*/
function _executeSQLFile($sFileName, $sDatabasePrefix)
{
$aMessages = array();
$sCommand = '';
if (!is_readable($sFileName)) {
return false;
} else {
$aLines = file($sFileName);
}
foreach ($aLines as $sLine) {
$sLine = rtrim($sLine);
$iLineLength = strlen($sLine);
if ($iLineLength && $sLine[0] != '#' && substr($sLine,0,2) != '--') {
if (substr($sLine, $iLineLength-1, 1) == ';') {
$line = substr($sLine, 0, $iLineLength-1);
$sCommand .= $sLine;
$sCommand = str_replace('prefix_', $sDatabasePrefix, $sCommand); // Table prefixes
try {
$this->connection->createCommand($sCommand)->execute();
} catch(Exception $e) {
$aMessages[] = "Executing: ".$sCommand." failed! Reason: ".$e;
}
$sCommand = '';
} else {
$sCommand .= $sLine;
}
}
}
return $aMessages;
}
/**
* Function to write given database settings in APPPATH.'config/config.php'
*/
function _writeConfigFile()
{
$aData['clang'] = $clang = $this->lang;
//write config.php if database exists and has been populated.
if (Yii::app()->session['databaseexist'] && Yii::app()->session['tablesexist'])
{
$this->loadHelper('file');
extract(self::_getDatabaseConfig());
$sDsn = self::_getDsn($sDatabaseType, $sDatabaseLocation, $sDatabasePort, $sDatabaseName, $sDatabaseUser, $sDatabasePwd);
// mod_rewrite existence check
// Section commented out until a better method of knowing whether the mod_rewrite actually
// works is found. In the meantime, it is better to set $showScriptName to 'true' so it
// works on all installations, and allow users to change it manually later.
//if ((function_exists('apache_get_modules') && in_array('mod_rewrite', apache_get_modules())) || strtolower(getenv('HTTP_MOD_REWRITE')) == 'on')
//{
// $showScriptName = 'false';
//}
//else
//{
$showScriptName = 'true';
//}
$dbdata = "<?php if (!defined('BASEPATH')) exit('No direct script access allowed');" . "\n"
."/*"."\n"
."| -------------------------------------------------------------------"."\n"
."| DATABASE CONNECTIVITY SETTINGS"."\n"
."| -------------------------------------------------------------------"."\n"
."| This file will contain the settings needed to access your database."."\n"
."|"."\n"
."| For complete instructions please consult the 'Database Connection'" ."\n"
."| page of the User Guide."."\n"
."|"."\n"
."| -------------------------------------------------------------------"."\n"
."| EXPLANATION OF VARIABLES"."\n"
."| -------------------------------------------------------------------"."\n"
."|" ."\n"
."| 'connectionString' Hostname, database, port and database type for " ."\n"
."| the connection. Driver example: mysql. Currently supported:" ."\n"
."| mysql, pgsql, mssql, sqlite, oci" ."\n"
."| 'username' The username used to connect to the database" ."\n"
."| 'password' The password used to connect to the database" ."\n"
."| 'tablePrefix' You can add an optional prefix, which will be added" ."\n"
."| to the table name when using the Active Record class" ."\n"
."|" ."\n"
."*/" ."\n"
. "return array(" . "\n"
."\t" . "'basePath' => dirname(dirname(__FILE__))," . "\n"
."\t" . "'runtimePath' => dirname(dirname(dirname(__FILE__))).DIRECTORY_SEPARATOR.'tmp'.DIRECTORY_SEPARATOR.'runtime'," . "\n"
."\t" . "'name' => 'LimeSurvey'," . "\n"
."\t" . "'defaultController' => 'survey'," . "\n"
."\t" . "" . "\n"
."\t" . "'import' => array(" . "\n"
."\t\t" . "'application.core.*'," . "\n"
."\t\t" . "'application.models.*'," . "\n"
."\t\t" . "'application.controllers.*'," . "\n"
."\t" . ")," . "\n"
."\t" . "" . "\n"
."\t" . "'components' => array(" . "\n"
."\t\t" . "'db' => array(" . "\n"
."\t\t\t" . "'connectionString' => '$sDsn'," . "\n";
if ($sDatabaseType!='sqlsrv')
{
$dbdata .="\t\t\t" . "'emulatePrepare' => true," . "\n";
}
$dbdata .="\t\t\t" . "'username' => '$sDatabaseUser'," . "\n"
."\t\t\t" . "'password' => '$sDatabasePwd'," . "\n"
."\t\t\t" . "'charset' => 'utf8'," . "\n"
."\t\t\t" . "'tablePrefix' => '$sDatabasePrefix'," . "\n";
if (in_array($sDatabaseType, array('mssql', 'sqlsrv'))) {
$dbdata .="\t\t\t" ."'initSQLs'=>array('SET DATEFORMAT ymd;','SET QUOTED_IDENTIFIER ON;')," . "\n";
}
$dbdata .="\t\t" . ")," . "\n"
."\t\t" . "" . "\n"
."\t\t" . "// Uncomment the following line if you need table-based sessions". "\n"
."\t\t" . "// 'session' => array (" . "\n"
."\t\t\t" . "// 'class' => 'system.web.CDbHttpSession'," . "\n"
."\t\t\t" . "// 'connectionID' => 'db'," . "\n"