<?php

class kHTTPQuery extends Params {
	/**
	 * $_POST vars
	 *
	 * @var Array
	 * @access private
	 */
	var $Post;

	/**
	 * $_GET vars
	 *
	 * @var Array
	 * @access private
	 */
	var $Get;
	/**
	 * $_COOKIE vars
	 *
	 * @var Array
	 * @access private
	 */
	var $Cookie;

	/**
	 * $_SERVER vars
	 *
	 * @var Array
	 * @access private
	 */
	var $Server;

	/**
	 * $_ENV vars
	 *
	 * @var Array
	 * @access private
	 */
	var $Env;

	/**
	 * Order in what write
	 * all vars together in
	 * the same array
	 *
	 * @var string
	 */
	var $Order;

	/**
	 * Uploaded files info
	 *
	 * @var Array
	 * @access private
	 */
	var $Files;

	var $specialsToRemove = Array();

	var $Admin = false;

	/**
	* Description
	*
	* @var kDBConnection
	* @access public
	*/
	var $Conn;

	/**
	 * Loads info from $_POST, $_GET and
	 * related arrays into common place
	 *
	 * @param string $order
	 * @return HTTPQuery
	 * @access public
	 */
	function kHTTPQuery($order = 'CGPF')
	{
		parent::Params();
		$this->Conn =& $this->Application->GetADODBConnection();

		$this->Order = $order;
		$this->Admin = $this->Application->IsAdmin(); // better cache this value, not to calculate it each time in foreach
	}

	function Init($prefix, $special)
	{
		$this->AddAllVars();

		$this->specialsToRemove = $this->Get('remove_specials');
		if($this->specialsToRemove)
		{
			$this->_Params = $this->removeSpecials($this->_Params);
		}
		ini_set('magic_quotes_gpc', 0);
	}

	function removeSpecials($array)
	{
		$ret = Array();
		$removed = false;
		foreach($this->specialsToRemove as $prefix_special => $flag)
		{
			if($flag)
			{
				$removed = true;
				list($prefix,$special) = explode('.',$prefix_special, 2);
				foreach ($array as $key => $val) {
					$new_key = preg_match("/^".$prefix."[._]{1}".$special."(.*)/", $key, $regs) ? $prefix.$regs[1] : $key;
					$ret[$new_key] = is_array($val) ? $this->removeSpecials($val) : $val;
				}
			}
		}
		return $removed ? $ret : $array;
	}

	/**
	 * All all requested vars to
	 * common storage place
	 *
	 * @access private
	 */
	function AddAllVars()
	{
		for ($i=0; $i < strlen($this->Order); $i++)
		{
			$current = $this->Order[$i];
			switch ($current) {
				case 'G':
					$this->Get = $this->AddVars($_GET);
					$vars = $this->processQueryString( $this->Get(ENV_VAR_NAME) );
					$this->AddParams($vars);
					break;

				case 'P':
					$this->Post = $this->AddVars($_POST);
					$this->convertPostEvents();
					break;

				case 'C':
					$this->Cookie = $this->AddVars($_COOKIE);
					break;

				case 'E';
					$this->Env = $this->AddVars($_ENV);
					break;

				case 'S';
					$this->Server = $this->AddVars($_SERVER);
					break;

				case 'F';
					$this->convertFiles();
					$this->Files = $this->MergeVars($_FILES, false); //do not strip slashes!
					break;
			}
		}

//		$this->AfterInit();
	}
	function AfterInit()
	{
//		$vars = $this->processQueryString($this->Get(ENV_VAR_NAME));
//		$this->AddParams($vars);
//		$this->convertPostEvents();
		//		if ($this->Application->RewriteURLs()) {
		if ($this->Application->RewriteURLs() || $this->Get('_mod_rw_url_')) {
			if( $this->Application->isDebugMode() )
			{
				$this->Application->Debugger->profileStart('url_parsing');
				$this->processRewriteURL();
				$description = 'Parsing <b>MOD_REWRITE</b> url (template: <b>'.$this->Get('t').'</b>)';
				$this->Application->Debugger->profileFinish('url_parsing', $description);
			}
			else
			{
				$this->processRewriteURL();
			}
		}
		else {
			$this->Application->VerifyLanguageId();
			$this->Application->VerifyThemeId();
		}
	}

	function convertFiles()
	{
		if (!$_FILES)
		{
			return false;
		}

		$file_keys = Array('error','name','size','tmp_name','type');

		$tmp = Array();
		foreach($_FILES as $file_name => $file_info)
		{
			if( is_array($file_info['error']) )
			{
				$tmp[$file_name] = $this->getArrayLevel( $file_info['error'], $file_name );
			}
			else
			{
				$normal_files[$file_name] = $file_info;
			}
		}

		if(!$tmp) return false;

		$files = $_FILES;
		$_FILES = Array();

		foreach($tmp as $prefix => $prefix_files)
		{
			$anchor =& $_FILES;
			foreach($prefix_files['keys'] as $key)
			{
				$anchor =& $anchor[$key];
			}
			foreach($prefix_files['value'] as $field_name)
			{
				unset($inner_anchor);
				unset($copy);
				$work_copy = $prefix_files['keys'];
				foreach($file_keys as $file_key)
				{
					$inner_anchor =& $files[$prefix][$file_key];
					if (isset($copy))
					{
						$work_copy = $copy;
					}
					else
					{
						$copy = $work_copy;
					}
					array_shift($work_copy);
					foreach($work_copy as $prefix_file_key)
					{
						$inner_anchor =& $inner_anchor[$prefix_file_key];
					}
					$anchor[$field_name][$file_key] = $inner_anchor[$field_name];
				}
			}
		}

		// keys: img_temp, 0, values: LocalPath, ThumbPath
	}

	function getArrayLevel(&$level, $prefix='')
	{
		$ret['keys'] = $prefix ? Array($prefix) : Array();
		$ret['value'] = Array();

		foreach($level as $level_key => $level_value)
		{
			if( is_array($level_value) )
			{
				$ret['keys'][] = $level_key;
				$tmp = $this->getArrayLevel($level_value);

				$ret['keys'] = array_merge($ret['keys'], $tmp['keys']);
				$ret['value'] = array_merge($ret['value'], $tmp['value']);
			}
			else
			{
				$ret['value'][] = $level_key;
			}
		}

		return $ret;
	}

	/**
	 * Owerwrites GET events with POST events in case if they are set and not empty
	 *
	 */
	function convertPostEvents()
	{
		$events = $this->Get('events');
		if (is_array($events)) {
			foreach ($events as $prefix_special => $event_name) {
				if ($event_name) {
					$this->Set($prefix_special.'_event', $event_name);
				}
			}
		}
	}

	function finalizeParsing($passed = Array(), $module_params = Array() )
	{
		if ($passed) {
			$event_manger =& $this->Application->recallObject('EventManager');
			foreach ($passed as $passed_prefix) {
				$event_manger->setQueryMap($passed_prefix);
			}
			$this->Set('passed', implode(',', array_keys($event_manger->queryMaps)));
		}

		// get joined version (env var + mod rewrite parsed)
		$passed = $this->Application->GetVar('passed');
		$env = $this->Application->BuildEnv( $this->Get('t'), $module_params, $passed, false, false );
		$this->Set(ENV_VAR_NAME, $env);
		$_REQUEST['env'] = $_GET['env'] = $env; // for capability with old in-portal code
	}

	function processRewriteURL()
	{
		$mod_rw_helper = $this->Application->recallObject('ModRewriteHelper');
		$mod_rw_helper->processRewriteURL();
	}

	function getDefaultTemplate($t)
	{
		$t = $this->getTemplateName( trim($t, '/') );
		if (!$t) $t = 'index';
		return trim($t, '/');
	}

	function extractSIDAndTemplate(&$parts)
	{
		$vars = Array ();
		if (defined('INPORTAL_ENV') && INPORTAL_ENV) { // SID-TEMPLATE
			$sub_parts = array_shift($parts);
			list($sid, $t) = explode('-', $sub_parts, 2);

			// Save Session ID
			if ($sid) {
				$this->Set('sid', $sid);
				$vars['sid'] = $sid;
			}
		}
		else { // SID:TEMPLATE
			// Save Session ID
			$sid = array_shift($parts);
			if ($sid) $vars['sid'] = $sid;

			$t = array_shift($parts);
		}

		// Save Template Name
		$vars['t'] = $this->getDefaultTemplate($t);
		return $vars;
	}

	/**
	 * Process QueryString only, create
	 * events, ids, based on config
	 * set template name and sid in
	 * desired application variables.
	 *
	 * @param string $env_var enviroment string value
	 *
	 * @access public
	 */
	function processQueryString($env_var, $pass_name = 'passed')
	{
		// env=SID:TEMPLATE:m-1-1-1-1:l0-0-0:n-0-0-0:bb-0-0-1-1-1-0
		$vars = Array ();
		if ($env_var) {
			$more_vars = strpos($env_var, '&');
			if ($more_vars !== false) {
				parse_str(substr($env_var, $more_vars + 1), $vars);
				$env_var = substr($env_var, 0, $more_vars);
			}

			// replace escaped ":" symbol not to explode by it
			$env_var = str_replace('\:','_&+$$+&_', $env_var);	// replace escaped "=" with spec-chars :)
			$parts = explode(':', $env_var);

			if (!$this->Application->RewriteURLs() || ($this->Application->RewriteURLs() && $this->Get('rewrite') != 'on')) {
				$vars = array_merge_recursive2($vars, $this->extractSIDAndTemplate($parts));
			}

			if ($parts) {
				foreach ($parts as $mixed_part) {
					$vars = array_merge_recursive2($vars, $this->parseEnvPart($mixed_part, $pass_name));
				}
			}
		}
		else {
			$t = $this->getTemplateName('index');
			$vars['t'] = $t;
		}

		return $vars;
	}

	function parseEnvPart($mixed_part, $pass_name = 'passed')
	{
		// In-portal old style env conversion - adds '-' between prefix and first var
		$mixed_part = str_replace('_&+$$+&_', ':', $mixed_part);
		$mixed_part = preg_replace("/^([a-zA-Z]+)([0-9]+)-(.*)/", "$1-$2-$3", $mixed_part);

		// replace escaped "-" symbol not to explode by it
		$escaped_part = str_replace('\-', '_&+$$+&_', $mixed_part);
		$escaped_part = explode('-', $escaped_part);

		$mixed_part = Array();
		foreach ($escaped_part as $escaped_val) {
			$mixed_part[] = str_replace('_&+$$+&_', '-', $escaped_val);
		}

		$prefix_special = array_shift($mixed_part); // l.pick, l
		$query_map = $this->Application->EventManager->setQueryMap($prefix_special);

		$vars = Array ();
		$vars[$pass_name] = implode(',', array_keys($this->Application->EventManager->queryMaps));

		// if config is not defined for prefix in QueryString, then don't process it
		if ($query_map) {
			foreach ($query_map as $index => $var_name) {
				// l_id, l_page, l_bla-bla-bla
				$val = $mixed_part[$index - 1];
				if ($val == '') $val = false;
				$vars[$prefix_special.'_'.$var_name] = $val;
			}
		}

		return $vars;
	}

	/**
	 * Removes tpl part from template name + resolved template ID to name
	 *
	 * @param string $t
	 * @return string
	 * @access private
	 */
	function getTemplateName($t)
	{
		if (isset($this->Get['t']) && $this->Get['t']) {
			// template name is passed directly in url (GET method)
			$t = $this->Get['t'];
		}

		// if t was set through env, even in mod_rewrite mode!
		if ($this->Get('env') && $this->Application->RewriteURLs() && $this->Get('t')) {
			$t = $this->Get('t');
		}

		if (is_numeric($t)) {
			$sql = 'SELECT CONCAT(FilePath, \'/\', FileName)
					FROM '.TABLE_PREFIX.'ThemeFiles
					WHERE FileId = '.$t;
			$t = $this->Conn->GetOne($sql);
		}

		return preg_replace('/\.tpl$/', '', $t);
	}

	/**
	 * Saves variables from array specified
	 * into common variable storage place
	 *
	 * @param Array $array
	 * @return Array
	 * @access private
	 */
	function AddVars($array)
	{
		$array = $this->StripSlashes($array);
		foreach($array as $key => $value)
		{
			$this->Set($key,$value);
		}
		return $array;
	}

	function MergeVars($array, $strip_slashes=true)
	{
		if ($strip_slashes) $array = $this->StripSlashes($array);
		foreach($array as $key => $value)
		{
			$this->_Params = array_merge_recursive2($this->_Params, Array($key=>$value));
		}
		return $array;
	}

	function StripSlashes($array)
	{
		//if( !get_magic_quotes_gpc() ) return $array;
		foreach($array as $key=>$value)
		{
			if( is_array($value) )
			{
				$array[$key] = $this->StripSlashes($value);
			}
			else
			{
//				$value = iconv('UTF-8', 'windows-1257', $value);

				if( get_magic_quotes_gpc() ) $value = stripslashes($value);
				if(!$this->Admin) $value = htmlspecialchars($value);
				$array[$key] = $value;
			}
			//$array[$key]=is_array($value)?$this->StripSlashes($value):stripslashes($value);
		}
		return $array;
	}

	/**
	 * Returns all $_GET array excluding system parameters, that are not allowed to be passed through generated urls
	 *
	 * @return Array
	 */
	function getRedirectParams()
	{
		$unset_vars = Array(ENV_VAR_NAME, 'rewrite', '_mod_rw_url_', 'Action');
		$ret = $this->Get;
		foreach ($unset_vars as $var_name)
		{
			if( isset($ret[$var_name]) ) unset( $ret[$var_name] );
		}
		return $ret;
	}

	function writeRequestLog($filename)
	{
		$folder_path = dirname(FULL_PATH.'/'.$filename);
		if (is_writable($folder_path)) {
			$fp = fopen(FULL_PATH.'/'.$filename, 'a');
			if ($fp) {
				$session =& $this->Application->recallObject('Session');
				$user_id = $session->GetField('PortalUserId');
				$admin_mark = $this->Application->IsAdmin() ? 'ADMIN' : 'FRONT';

				$data = '['.date('D M d H:i:s Y').'] '.$admin_mark.'; ip: '.$_SERVER['REMOTE_ADDR'].'; user_id: '.$user_id.'; sid: '.$this->Application->GetSID().'; request: '."\n";
				if ($this->Get) {
					$data .= "_GET:\n".print_r($this->Get, true);
				}

				if ($this->Post) {
					$data .= "_POST:\n".print_r($this->Post, true);
				}

				if ($this->Cookie) {
					$data .= "_COOKIE:\n".print_r($this->Cookie, true);
				}
				$data .= str_repeat('=', 100)."\n";

				fwrite($fp, $data);
				fclose($fp);
			}
			else {
				trigger_error('Requrest Log directory not writable', E_USER_WARNING);
			}
		}
		else {
			trigger_error('Requrest Log directory not writable', E_USER_WARNING);
		}
	}

}

?>