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Created: Sun, Feb 2, 6:34 PM

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	Index: branches/RC/core/install.php
	===================================================================
	--- branches/RC/core/install.php (revision 9984)
	+++ branches/RC/core/install.php (revision 9985)
	@@ -1,1175 +1,1175 @@
	<?php
	ini_set('display_errors', 1);
	error_reporting(E_ALL);

	define('IS_INSTALL', 1);
	define('ADMIN', 1);
	define('FULL_PATH', realpath(dirname(__FILE__).'/..') );
	define('REL_PATH', '/core');

	/**
	* Upgrade sqls are located using this mask
	*
	*/
	define('UPGRADES_FILE', FULL_PATH.'/%sinstall/upgrades.%s');

	/**
	* Format of version identificator in upgrade files
	*
	*/
	define('VERSION_MARK', '# ===== v ([\d]+\.[\d]+\.[\d]+) =====');

	// print_pre($_POST);

	$install_engine = new kInstallator();
	$install_engine->Init();
	$install_engine->Run();
	$install_engine->Done();

	class kInstallator {

	/**
	* Reference to kApplication class object
	*
	* @var kApplication
	*/
	var $Application = null;

	/**
	* Connection to database
	*
	* @var kDBConnection
	*/
	var $Conn = null;

	/**
	* Path to config.php
	*
	* @var string
	*/
	var $INIFile = '';

	/**
	* XML file containing steps information
	*
	* @var string
	*/
	var $StepDBFile = '';

	/**
	* Parsed data from config.php
	*
	* @var Array
	*/
	var $systemConfig = Array ();
	/**
	* Step name, that currently being processed
	*
	* @var string
	*/
	var $currentStep = '';

	/**
	* Steps list (preset) to use for current installation
	*
	* @var string
	*/
	var $stepsPreset = '';

	/**
	* Installtion steps to be done
	*
	* @var Array
	*/
	var $steps = Array(
	'fresh_install' => Array ('check_paths', 'db_config', 'root_password', 'choose_modules', 'finish'),
	'already_installed' => Array ('install_setup'),

	'upgrade' => Array ('install_setup', 'upgrade_modules', /* ..., */ 'finish'),
	'db_reconfig' => Array ('install_setup',/* ..., */ 'finish'),
	'fix_paths' => Array ('install_setup',/* ..., */ 'finish'),
	);


	/**
	* Steps, that doesn't required admin to be logged-in to proceed
	*
	* @var Array
	*/
	var $skipLoginSteps = Array ('root_password', 'choose_modules', 'finish', -1);

	/**
	* Steps, on which kApplication should not be initialized, because of missing correct db table structure
	*
	* @var Array
	*/
	var $skipApplicationSteps = Array ('check_paths', 'db_config'/, 'install_setup'/); // remove install_setup when application will work separately from install

	/**
	* Folders that should be writeable to continue installation
	*
	* @var Array
	*/
	var $writeableFolders = Array ('/system');

	/**
	* Contains last error message text
	*
	* @var string
	*/
	var $errorMessage = '';

	/**
	* Base path for includes in templates
	*
	* @var string
	*/
	var $baseURL = '';

	function Init()
	{
	$this->INIFile = FULL_PATH.'/config.php';
	$this->StepDBFile = FULL_PATH.'/'.REL_PATH.'/install/steps_db.xml';

	$base_path = rtrim(preg_replace('/'.preg_quote(rtrim(REL_PATH, '/'), '/').'$/', '', str_replace('\\', '/', dirname($_SERVER['PHP_SELF']))), '/');
	$this->baseURL = 'http://'.$_SERVER['HTTP_HOST'].$base_path.'/core/install/';

	set_error_handler( Array(&$this, 'ErrorHandler') );

	if (file_exists($this->INIFile)) {
	// if config.php found, then check his write permission too
	$this->writeableFolders[] = '/config.php';
	}
	else {
	$this->writeableFolders[] = '/';
	}

	$this->systemConfig = $this->ParseConfig(true);
	$this->systemConfig['Misc']['WriteablePath'] = '/system'; // for development purposes
	$this->systemConfig['Misc']['Domain'] = $_SERVER['HTTP_HOST']; // for redirects from SSL mode
	$this->currentStep = $this->GetVar('step');

	// can't check login on steps where no application present anyways :)
	$this->skipLoginSteps = array_unique(array_merge($this->skipLoginSteps, $this->skipApplicationSteps));

	$this->SelectPreset();

	if (!$this->currentStep) {
	$this->SetFirstStep(); // sets first step of current preset
	}

	$this->InitStep();
	}

	function SetFirstStep()
	{
	reset($this->steps[$this->stepsPreset]);
	$this->currentStep = current($this->steps[$this->stepsPreset]);
	}

	/**
	* Selects preset to proceed based on various criteria
	*
	*/
	function SelectPreset()
	{
	$preset = $this->GetVar('preset');
	if (file_exists($this->INIFile) && $this->systemConfig) {
	// only at installation first step
	$status = $this->CheckDatabase(false);
	if ($status && $this->AlreadyInstalled()) {
	// if already installed, then all future actions need login to work
	$this->skipLoginSteps = Array (-1);
	if (!$preset) {
	$preset = 'already_installed';
	$this->currentStep = '';
	}
	}
	}
	if ($preset === false) {
	$preset = 'fresh_install'; // default preset
	}

	$this->stepsPreset = $preset;
	}

	function GetVar($name)
	{
	return isset($_REQUEST[$name]) ? $_REQUEST[$name] : false;
	}

	/**
	* Performs needed intialization of data, that step requires
	*
	*/
	function InitStep()
	{
	$require_login = !in_array($this->currentStep, $this->skipLoginSteps);
	$this->InitApplication($require_login);

	if ($require_login) {
	// step require login to proceed
	if (!$this->Application->LoggedIn()) {
	$this->stepsPreset = 'already_installed';
	$this->SetFirstStep();
	}
	}

	switch ($this->currentStep) {
	case 'check_paths':
	foreach ($this->writeableFolders as $folder_path) {
	$file_path = FULL_PATH.$folder_path;
	if (!is_writable($file_path)) {
	$this->errorMessage = 'Install cannot write to specified folder in the root directory of your installation';
	break;
	}
	}
	break;

	case 'db_config':
	$section_name = 'Database';
	$fields = Array ('DBType', 'DBHost', 'DBName', 'DBUser', 'DBUserPassword', 'DBCollation', 'TablePrefix');

	if (!isset($this->systemConfig[$section_name])) {
	$this->systemConfig[$section_name] = Array ();
	}

	// set fields
	foreach ($fields as $field_name) {
	$submit_value = $this->GetVar($field_name);

	if ($submit_value !== false) {
	$this->systemConfig[$section_name][$field_name] = $submit_value;
	}
	elseif (!isset($this->systemConfig[$section_name][$field_name])) {
	$this->systemConfig[$section_name][$field_name] = '';
	}
	}
	break;

	case 'choose_modules':
	// if no modules found, then proceed to next step
	$modules = $this->ScanModules();
	if (!$modules) {
	$this->currentStep = $this->GetNextStep();
	}
	break;

	case 'upgrade_modules':
	// get installed modules from db and compare their versions to upgrade script
	$modules = $this->GetUpgradableModules();
	if (!$modules) {
	$this->currentStep = $this->GetNextStep();
	}
	break;

	case 'install_setup':
	$next_preset = $this->Application->GetVar('next_preset');
	if ($next_preset !== false && $this->Application->GetVar('login') == 'root') {
	// option was choosen, then verify password & login user
	$login_event = new kEvent('u.current:OnLogin');
	$this->Application->HandleEvent($login_event);

	if ($login_event->status == erSUCCESS) {
	// login succeeded

	if (!isset($this->steps[$next_preset])) {
	$this->errorMessage = 'Preset "'.$next_preset.'" not yet implemented';
	}
	else {
	$this->stepsPreset = $next_preset;
	}
	}
	else {
	// login failed
	$user =& $this->Application->recallObject('u.current');
	/* @var $user UsersItem */

	$this->errorMessage = $user->GetErrorMsg('ValidateLogin').'. If you don\'t know your username or password, contact Intechnic Support';
	}
	}
	else {
	// if preset was not choosen, then raise error
	$this->errorMessage = 'Please select action to perform';
	}
	break;
	}

	$this->PerformValidation(); // returns validation status (just in case)
	}

	/**
	* Validates data entered by user
	*
	* @return bool
	*/
	function PerformValidation()
	{
	if ($this->GetVar('step') != $this->currentStep) {
	// just redirect from previous step, don't validate
	return true;
	}

	$status = true;

	switch ($this->currentStep) {
	case 'db_config':
	// 1. check if required fields are filled
	$section_name = 'Database';
	$required_fields = Array ('DBType', 'DBHost', 'DBName', 'DBUser', 'DBCollation');
	foreach ($required_fields as $required_field) {
	if (!$this->systemConfig[$section_name][$required_field]) {
	$status = false;
	$this->errorMessage = 'Please fill all required fields';
	break;
	}
	}
	if (!$status) break;

	// 2. check permissions, that use have in this database
	$status = $this->CheckDatabase();
	break;

	case 'root_password':
	// check, that password & verify password match
	$password = $this->Application->GetVar('root_password');
	$password_verify = $this->Application->GetVar('root_password_verify');

	if ($password != $password_verify) {
	$this->errorMessage = 'Passwords does not match';
	}
	elseif (strlen($password) < 4) {
	$this->errorMessage = 'Root Password must be at least 4 characters';
	}

	$status = $this->errorMessage == '';
	break;
	}

	return $status;
	}

	/**
	* Perform installation step actions
	*
	*/
	function Run()
	{
	if ($this->errorMessage) {
	// was error during data validation stage
	return ;
	}

	switch ($this->currentStep) {
	case 'db_config':
	// store db configuration
	$sql = 'SHOW COLLATION
	LIKE \''.$this->systemConfig['Database']['DBCollation'].'\'';
	$collation_info = $this->Conn->Query($sql);
	if ($collation_info) {
	$this->systemConfig['Database']['DBCharset'] = $collation_info[0]['Charset'];

	// database is already connected, that's why set collation on the fly
	$this->Conn->Query('SET NAMES \''.$this->systemConfig['Database']['DBCharset'].'\' COLLATE \''.$this->systemConfig['Database']['DBCollation'].'\'');
	}

	$this->SaveConfig();

	// import base data into database
	$this->RunSQL('/core/install/install_schema.sql');
	$this->RunSQL('/core/install/install_data.sql');

	// set module "Core" version after install (based on upgrade scripts)
	$this->SetModuleVersion('Core');
	break;

	case 'root_password':
	// update root password in database
	$password = md5( md5($this->Application->GetVar('root_password')) . 'b38');
	$this->SetConfigValue('RootPass', $password);

	// set Site_Path (for SSL & old in-portal code)
	$this->SetConfigValue('Site_Path', BASE_PATH.'/');

	// import base language for core (english)
	$this->ImportLanguage('/core/install/english');

	// set imported language as primary
	$lang =& $this->Application->recallObject('lang.-item', null, Array('skip_autoload' => true));
	/* @var $lang LanguagesItem */

	$lang->Load(1); // fresh install => ID=1
	$lang->setPrimary();
	break;

	case 'choose_modules':
	// run module install scripts
	$modules = $this->Application->GetVar('modules');
	if ($modules) {
	foreach ($modules as $module) {
	$install_file = MODULES_PATH.'/'.$module.'/install.php';
	if (file_exists($install_file)) {
	include_once($install_file);

	// set module version after install (based on upgrade scripts)
	$this->SetModuleVersion($module);
	}
	}
	}
	// scan themes
	$this->Application->HandleEvent($themes_event, 'adm:OnRebuildThemes');

	$this->Conn->Query('UPDATE '.TABLE_PREFIX.'Theme SET Enabled=1, PrimaryTheme =1 LIMIT 1');

	// update categories cache
	$updater =& $this->Application->recallObject('kPermCacheUpdater');
	/* @var $updater kPermCacheUpdater */

	$updater->OneStepRun();
	break;

	case 'upgrade_modules':
	// get installed modules from db and compare their versions to upgrade script
	$modules = $this->Application->GetVar('modules');
	if ($modules) {
	$upgrade_data = $this->GetUpgradableModules();

	foreach ($modules as $module_name) {
	$module_info = $upgrade_data[$module_name];
	$upgrades_file = sprintf(UPGRADES_FILE, $module_info['Path'], 'sql');

	$sqls = file_get_contents($upgrades_file);
	$version_mark = preg_replace('/($.*?$)/', $module_info['FromVersion'], VERSION_MARK);

	// get only sqls from next (relative to current) version to end of file
	$start_pos = strpos($sqls, $version_mark);
	$sqls = substr($sqls, $start_pos);

	preg_match_all('/'.VERSION_MARK.'/s', $sqls, $regs);

	$this->RunUpgrades($module_info['Path'], $regs[1], 'before');
	$this->RunSQLText($sqls);
	$this->RunUpgrades($module_info['Path'], $regs[1], 'after');

	// after upgrade sqls are executed update version
	$this->SetModuleVersion($module_name, $module_info['ToVersion']);
	}
	}
	else {
	$this->errorMessage = 'Please select module(-s) to upgrade';
	}
	break;

	case 'finish':
	// delete cache
	$sql = 'DELETE FROM '.TABLE_PREFIX.'Cache
	WHERE VarName IN ("config_files","configs_parsed","sections_parsed")';
	$this->Conn->Query($sql);

	// set installation finished mark
	if ($this->Application->ConfigValue('InstallFinished') === false) {
	$fields_hash = Array (
	'VariableName' => 'InstallFinished',
	'VariableValue' => 1,
	);
	$this->Conn->doInsert($fields_hash, TABLE_PREFIX.'ConfigurationValues');
	}
	break;
	}

	if ($this->errorMessage) {
	// was error during run stage
	return ;
	}

	$this->currentStep = $this->GetNextStep();
	$this->InitStep(); // init next step (that will be shown now)

	$this->InitApplication();

	if ($this->currentStep == -1) {
	// step after last step -> redirect to admin
	$this->Application->Redirect('index', null, '', 'index.php');
	}
	}

	/**
	* Run upgrade PHP scripts for module with specified path
	*
	* @param string $module_path
	* @param Array $versions
	* @param string $mode upgrade mode = {before,after}
	*/
	function RunUpgrades($module_path, $versions, $mode)
	{
	static $upgrade_classes = Array ();

	$upgrades_file = sprintf(UPGRADES_FILE, $module_path, 'php');
	if (!file_exists($upgrades_file) \|\| !$versions) {
	return ;
	}

	if (!isset($upgrade_classes[$module_path])) {
	// save class name, because 2nd time
	// (in after call $upgrade_class variable will not be present)
	include_once $upgrades_file;
	$upgrade_classes[$module_path] = $upgrade_class;
	}

	$upgrade_object = new $upgrade_classes[$module_path]();
	if (method_exists($upgrade_object, 'setInstallator')) {
	$upgrade_object->setInstallator($this);
	}

	foreach ($versions as $version) {
	$upgrade_method = 'Upgrade_'.str_replace('.', '_', $version);
	if (method_exists($upgrade_object, $upgrade_method)) {
	$upgrade_object->$upgrade_method($mode);
	}
	}
	}

	/**
	* Sets module version to passed
	*
	* @param string $module_name
	* @param string $version
	*/
	function SetModuleVersion($module_name, $version = false)
	{
	if ($version === false) {
	$version = $this->GetMaxModuleVersion($module_name);
	}

	$table_prefix = $this->systemConfig['Database']['TablePrefix'];

	$sql = 'UPDATE '.$table_prefix.'Modules
	SET Version = "'.$version.'"
	WHERE Name = "'.$module_name.'"';
	$this->Conn->Query($sql);
	}


	/**
	* Sets new configuration variable value
	*
	* @param string $name
	* @param mixed $value
	*/
	function SetConfigValue($name, $value)
	{
	$sql = 'UPDATE '.TABLE_PREFIX.'ConfigurationValues
	SET VariableValue = '.$this->Conn->qstr($value).'
	WHERE VariableName = '.$this->Conn->qstr($name);
	$this->Conn->Query($sql);
	}

	/**
	* Initialize kApplication
	*
	* @param bool $force initialize in any case
	*/
	function InitApplication($force = false)
	{
	if (($force \|\| !in_array($this->currentStep, $this->skipApplicationSteps)) && !isset($this->Application)) {
	// step is allowed for application usage & it was not initialized in previous step
	global $start, $debugger, $dbg_options;
	include_once(FULL_PATH.'/core/kernel/startup.php');

	$this->Application =& kApplication::Instance();
	$this->Application->Init();
	$this->Conn =& $this->Application->GetADODBConnection();
	}
	}

	/**
	* Show next step screen
	*
	*/
	function Done($error_message = null)
	{
	if (isset($error_message)) {
	$this->errorMessage = $error_message;
	}

	include_once (FULL_PATH.'/'.REL_PATH.'/install/incs/install.tpl');

	if (isset($this->Application)) {
	$this->Application->Done();

	// echo 'SID: ['.$this->Application->GetSID().']<br />';
	}

	exit;
	}

	function GetMaxModuleVersion($module_name)
	{
	$upgrades_file = sprintf(UPGRADES_FILE, strtolower($module_name).'/', 'sql');
	if (!file_exists($upgrades_file)) {
	// no upgrade file
	return '4.0.1';
	}

	$sqls = file_get_contents($upgrades_file);
	$versions_found = preg_match_all('/'.VERSION_MARK.'/s', $sqls, $regs);
	if (!$versions_found) {
	// upgrades file doesn't contain version definitions
	return '4.0.1';
	}

	return end($regs[1]);
	}

	function ConnectToDatabase()
	{
	include_once FULL_PATH.'/core/kernel/db/db_connection.php';

	if (!isset($this->systemConfig['Database']['DBType']) \|\|
	!isset($this->systemConfig['Database']['DBUser']) \|\|
	!isset($this->systemConfig['Database']['DBName'])
	) {
	return false;
	}

	$this->Conn = new kDBConnection($this->systemConfig['Database']['DBType'], Array(&$this, 'DBErrorHandler'));
	$this->Conn->Connect($this->systemConfig['Database']['DBHost'], $this->systemConfig['Database']['DBUser'], $this->systemConfig['Database']['DBUserPassword'], $this->systemConfig['Database']['DBName']);
	return $this->Conn->errorCode == 0;
	}

	/**
	* Checks if core is already installed
	*
	* @return bool
	*/
	function AlreadyInstalled()
	{
	$table_prefix = $this->systemConfig['Database']['TablePrefix'];
	return $this->TableExists('ConfigurationValues') && $this->Conn->GetOne('SELECT VariableValue FROM '.$table_prefix.'ConfigurationValues WHERE VariableName = \'InstallFinished\'');
	}

	function CheckDatabase($check_installed = true)
	{
	// perform various check type to database specified
	// 1. user is allowed to connect to database
	// 2. user has all types of permissions in database


	if (strlen($this->systemConfig['Database']['TablePrefix']) > 7) {
	$this->errorMessage = 'Table prefix should not be longer than 7 characters';
	return false;
	}

	// connect to database
	$status = $this->ConnectToDatabase();
	if ($status) {
	// if connected, then check if all sql statements work
	$sql_tests[] = 'DROP TABLE IF EXISTS test_table';
	$sql_tests[] = 'CREATE TABLE test_table(test_col mediumint(6))';
	$sql_tests[] = 'LOCK TABLES test_table WRITE';
	$sql_tests[] = 'INSERT INTO test_table(test_col) VALUES (5)';
	$sql_tests[] = 'UPDATE test_table SET test_col = 12';
	$sql_tests[] = 'UNLOCK TABLES';
	$sql_tests[] = 'ALTER TABLE test_table ADD COLUMN new_col varchar(10)';
	$sql_tests[] = 'SELECT * FROM test_table';
	$sql_tests[] = 'DELETE FROM test_table';
	$sql_tests[] = 'DROP TABLE IF EXISTS test_table';

	foreach ($sql_tests as $sql_test) {
	$this->Conn->Query($sql_test);
	if ($this->Conn->getErrorCode() != 0) {
	$status = false;
	break;
	}
	}

	if ($status) {
	// if statements work & connection made, then check table existance
	if ($check_installed && $this->AlreadyInstalled()) {
	$this->errorMessage = 'An In-Portal Database already exists at this location';
	return false;
	}
	}
	else {
	// user has insufficient permissions in database specified
	$db_error = 'Permission Error: ('.$this->Conn->getErrorCode().') '.$this->Conn->getErrorMsg();
	return false;
	}
	}
	else {
	// was error while connecting
	if (!$this->Conn) return false;
	$this->errorMessage = 'Connection Error: ('.$this->Conn->getErrorCode().') '.$this->Conn->getErrorMsg();
	return false;
	}

	return true;
	}

	/**
	* Checks if all passed tables exists
	*
	* @param string $tables comma separated tables list
	* @return bool
	*/
	function TableExists($tables)
	{
	$prefix = $this->systemConfig['Database']['TablePrefix'];

	$all_found = true;
	$tables = explode(',', $tables);
	foreach ($tables as $table_name) {
	$sql = 'SHOW TABLES LIKE "'.$prefix.$table_name.'"';
	if (count($this->Conn->Query($sql)) == 0) {
	$all_found = false;
	break;
	}
	}

	return $all_found;
	}

	/**
	* Runs SQLs from file
	*
	* @param string $filename
	* @param mixed $replace_from
	* @param mixed $replace_to
	*/
	function RunSQL($filename, $replace_from = null, $replace_to = null)
	{
	if (!file_exists(FULL_PATH.$filename)) {
	return ;
	}

	$sqls = file_get_contents(FULL_PATH.$filename);
	$this->RunSQLText($sqls, $replace_from, $replace_to);
	}

	/**
	* Runs SQLs from string
	*
	* @param string $sqls
	* @param mixed $replace_from
	* @param mixed $replace_to
	*/
	function RunSQLText(&$sqls, $replace_from = null, $replace_to = null)
	{
	$table_prefix = $this->systemConfig['Database']['TablePrefix'];

	// add prefix to all tables
	if (strlen($table_prefix) > 0) {
	- $replacements = Array ('CREATE TABLE ', 'INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ');
	+ $replacements = Array ('CREATE TABLE ', 'INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ', 'REPLACE INTO ');
	foreach ($replacements as $replacement) {
	$sqls = str_replace($replacement, $replacement.$table_prefix, $sqls);
	}
	$sqls = str_replace('DROP TABLE ', 'DROP TABLE IF EXISTS '.$table_prefix, $sqls);
	}

	if (isset($replace_from) && isset($replace_to)) {
	// replace something additionally, e.g. module root category
	$sqls = str_replace($replace_from, $replace_to, $sqls);
	}

	$sqls = str_replace("\r\n", "\n", $sqls); // convert to linux line endings
	$sqls = preg_replace("/#([^;]*?)\n/", '', $sqls); // remove all comments
	$sqls = explode(";\n", $sqls);

	foreach ($sqls as $sql) {
	$sql = trim($sql);
	if (!$sql) {
	continue; // usually last line
	}

	if (substr($sql, 0, 13) == 'CREATE TABLE ' && $this->systemConfig['Database']['DBCollation']) {
	// it is CREATE TABLE statement -> add collation
	$sql .= ' COLLATE \''.$this->systemConfig['Database']['DBCollation'].'\'';
	}

	$this->Conn->Query($sql);
	if ($this->Conn->getErrorCode() != 0) {
	$this->errorMessage = 'Error: ('.$this->Conn->getErrorCode().') '.$this->Conn->getErrorMsg().'<br /><br />Database Query:<pre>'.htmlspecialchars($sql).'</pre>';
	$this->Done();
	break;
	}
	}
	}

	function ImportLanguage($lang_file)
	{
	$lang_file = FULL_PATH.$lang_file.'.lang';
	if (!file_exists($lang_file)) {
	return ;
	}

	$lang_xml =& $this->Application->recallObjectP('LangXML', null, Array(), false); // false - don't use temp tables
	$lang_xml->Parse($lang_file, '\|0\|1\|2\|', '');
	}

	/**
	* Returns modules list found in modules folder
	*
	* @return Array
	*/
	function ScanModules()
	{
	static $modules = null;

	if (!isset($modules)) {
	$modules = Array();
	$fh = opendir(MODULES_PATH);
	while (($sub_folder = readdir($fh))) {
	$folder_path = MODULES_PATH.'/'.$sub_folder;
	if ($sub_folder != '.' && $sub_folder != '..' && is_dir($folder_path)) {
	if ($sub_folder == 'core') {
	// skip modules here
	continue;
	}
	// this is folder in MODULES_PATH directory
	if (file_exists($folder_path.'/install.php') && file_exists($folder_path.'/install/install_schema.sql')) {
	$modules[] = $sub_folder;
	}
	}
	}
	}

	return $modules;
	}

	/**
	* Converts module version in format X.Y.Z to signle integer
	*
	* @param string $version
	* @return int
	*/
	function ConvertModuleVersion($version)
	{
	$parts = explode('.', $version);

	$bin = '';
	foreach ($parts as $part) {
	$bin .= str_pad(decbin($part), 8, '0', STR_PAD_LEFT);
	}

	return bindec($bin);
	}

	/**
	* Returns list of modules, that can be upgraded
	*
	*/
	function GetUpgradableModules()
	{
	$ret = Array ();

	foreach ($this->Application->ModuleInfo as $module_name => $module_info) {
	$upgrades_file = sprintf(UPGRADES_FILE, $module_info['Path'], 'sql');
	if (!file_exists($upgrades_file)) {
	// no upgrade file
	continue;
	}

	$sqls = file_get_contents($upgrades_file);
	$versions_found = preg_match_all('/'.VERSION_MARK.'/s', $sqls, $regs);
	if (!$versions_found) {
	// upgrades file doesn't contain version definitions
	continue;
	}

	$to_version = end($regs[1]);
	$this_version = $this->ConvertModuleVersion($module_info['Version']);
	if ($this->ConvertModuleVersion($to_version) > $this_version) {
	// destination version is greather then current
	foreach ($regs[1] as $version) {
	if ($this->ConvertModuleVersion($version) > $this_version) {
	$from_version = $version;
	break;
	}
	}

	$version_info = Array (
	'FromVersion' => $from_version,
	'ToVersion' => $to_version,
	);

	$ret[$module_name] = array_merge_recursive2($module_info, $version_info);
	}
	}

	return $ret;
	}

	/**
	* Returns content to show for current step
	*
	* @return string
	*/
	function GetStepBody()
	{
	$step_template = FULL_PATH.'/core/install/step_templates/'.$this->currentStep.'.tpl';
	if (file_exists($step_template)) {
	ob_start();
	include_once ($step_template);
	return ob_get_clean();
	}

	return '{step template "'.$this->currentStep.'" missing}';
	}

	/**
	* Parses step information file, cache result for current step ONLY & return it
	*
	* @return Array
	*/
	function &_getStepInfo()
	{
	static $info = Array('help_title' => null, 'step_title' => null, 'help_body' => null, 'queried' => false);

	if (!$info['queried']) {
	$fdata = file_get_contents($this->StepDBFile);

	$parser = xml_parser_create();
	xml_parse_into_struct($parser, $fdata, $values, $index);
	xml_parser_free($parser);

	foreach ($index['STEP'] as $section_index) {
	$step_data =& $values[$section_index];

	if ($step_data['attributes']['NAME'] == $this->currentStep) {
	$info['step_title'] = $step_data['attributes']['TITLE'];
	if (isset($step_data['attributes']['HELP_TITLE'])) {
	$info['help_title'] = $step_data['attributes']['HELP_TITLE'];
	}
	else {
	// if help title not set, then use step title
	$info['help_title'] = $step_data['attributes']['TITLE'];
	}
	$info['help_body'] = trim($step_data['value']);
	break;
	}
	}

	$info['queried'] = true;
	}

	return $info;
	}

	/**
	* Returns particular information abou current step
	*
	* @param string $info_type
	* @return string
	*/
	function GetStepInfo($info_type)
	{
	$step_info =& $this->_getStepInfo();

	if (isset($step_info[$info_type])) {
	return $step_info[$info_type];
	}

	return '{step "'.$this->currentStep.'"; param "'.$info_type.'" missing}';
	}

	/**
	* Returns passed steps titles
	*
	* @param Array $steps
	* @return Array
	* @see kInstaller:PrintSteps
	*/
	function _getStepTitles($steps)
	{
	$fdata = file_get_contents($this->StepDBFile);

	$parser = xml_parser_create();
	xml_parse_into_struct($parser, $fdata, $values, $index);
	xml_parser_free($parser);

	$ret = Array ();
	foreach ($index['STEP'] as $section_index) {
	$step_data =& $values[$section_index];
	if (in_array($step_data['attributes']['NAME'], $steps)) {
	$ret[ $step_data['attributes']['NAME'] ] = $step_data['attributes']['TITLE'];
	}
	}

	return $ret;
	}

	/**
	* Returns current step number in active steps_preset.
	* Value can't be cached, because same step can have different number in different presets
	*
	* @return int
	*/
	function GetStepNumber()
	{
	return array_search($this->currentStep, $this->steps[$this->stepsPreset]) + 1;
	}

	/**
	* Returns step name to process next
	*
	* @return string
	*/
	function GetNextStep()
	{
	$next_index = $this->GetStepNumber();
	if ($next_index > count($this->steps[$this->stepsPreset]) - 1) {
	return -1;
	}

	return $this->steps[$this->stepsPreset][$next_index];
	}

	/**
	* Returns step name, that was processed before this step
	*
	* @return string
	*/
	function GetPreviousStep()
	{
	$next_index = $this->GetStepNumber() - 1;
	if ($next_index < 0) {
	$next_index = 0;
	}

	return $this->steps[$this->stepsPreset][$next_index];
	}

	/**
	* Prints all steps from active steps preset and highlights current step
	*
	* @param string $active_tpl
	* @param string $passive_tpl
	* @return string
	*/
	function PrintSteps($active_tpl, $passive_tpl)
	{
	$ret = '';
	$step_titles = $this->_getStepTitles($this->steps[$this->stepsPreset]);

	foreach ($this->steps[$this->stepsPreset] as $step_name) {
	$template = $step_name == $this->currentStep ? $active_tpl : $passive_tpl;
	$ret .= sprintf($template, $step_titles[$step_name]);
	}

	return $ret;
	}

	function ParseConfig($parse_section = false)
	{
	if (!file_exists($this->INIFile)) {
	return Array();
	}

	if( file_exists($this->INIFile) && !is_readable($this->INIFile) ) {
	die('Could Not Open Ini File');
	}

	$contents = file($this->INIFile);

	$retval = Array();
	$section = '';
	$ln = 1;
	$resave = false;
	foreach ($contents as $line) {
	if ($ln == 1 && $line != '<'.'?'.'php die() ?'.">\n") {
	$resave = true;
	}

	$ln++;
	$line = trim($line);
	$line = eregi_replace(';[.]*','',$line);
	if (strlen($line) > 0) {
	//echo $line . " - ";
	if(eregi('^[[a-z]+]$',str_replace(' ', '', $line))) {
	//echo 'section';
	$section = substr($line, 1, (strlen($line) - 2));
	if ($parse_section) {
	$retval[$section] = array();
	}
	continue;
	} elseif (eregi('=',$line)) {
	//echo 'main element';
	list ($key, $val) = explode(' = ', $line);
	if (!$parse_section) {
	$retval[trim($key)] = str_replace('"', '', $val);
	}
	else {
	$retval[$section][trim($key)] = str_replace('"', '', $val);
	}
	}
	}
	}

	if ($resave) {
	$fp = fopen($this->INIFile, 'w');
	reset($contents);
	fwrite($fp,'<'.'?'.'php die() ?'.">\n\n");
	foreach ($contents as $line) {
	fwrite($fp,"$line");
	}
	fclose($fp);
	}

	return $retval;
	}

	function SaveConfig()
	{
	$fp = fopen($this->INIFile, 'w');
	fwrite($fp,'<'.'?'.'php die() ?'.">\n\n");

	foreach ($this->systemConfig as $section_name => $section_data) {
	fwrite($fp, '['.$section_name."]\n");
	foreach ($section_data as $key => $value) {
	fwrite($fp, $key.' = "'.$value.'"'."\n");
	}
	fwrite($fp, "\n");
	}
	fclose($fp);
	}

	/**
	* Installation error handler for sql errors
	*
	* @param int $code
	* @param string $msg
	* @param string $sql
	* @return bool
	* @access private
	*/
	function DBErrorHandler($code, $msg, $sql)
	{
	$this->errorMessage = 'Query: <br />'.htmlspecialchars($sql).'<br />execution result is error:<br />['.$code.'] '.$msg;
	return true;
	}

	/**
	* Installation error handler
	*
	* @param int $errno
	* @param string $errstr
	* @param string $errfile
	* @param int $errline
	* @param Array $errcontext
	*/
	function ErrorHandler($errno, $errstr, $errfile = '', $errline = '', $errcontext = '')
	{
	if ($errno == E_USER_ERROR) {
	// only react on user fatal errors
	$this->Done($errstr);
	}
	}
	}

	/*function print_pre($s)
	{
	echo '<pre>', print_r($s, true). '</pre>';
	}*/


	?>
	\ No newline at end of file

	Property changes on: branches/RC/core/install.php
	___________________________________________________________________
	Modified: cvs2svn:cvs-rev
	## -1 +1 ##
	-1.12
	\ No newline at end of property
	+1.12.2.1
	\ No newline at end of property

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