config.php

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<?php

/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
//
//			configuration class
//
defined('WikyBlog') or die("Not an entry point...");


if( $_SESSION['userlevel'] !== 4){
	global $page;
	$page->contentA['Admin Only'] = 'You must be an administrator to access this page.';
	return;
}


wbLang::getFile('specPreferences'); //has similar fields like language values


class configuration{
	var $current;
	var $possible;
	var $checkSum;
	var $currRevision;
	
	function configuration($arg){
		global $lang,$page;
		
		if( $arg === false){
			return;
		}
		
		ob_start();
		
		switch($arg){
			
			case wbStrtolower($lang['save']):
				$this->saveConfig($_POST);
			break;
			
			case 'revert':
				$this->setFromRevision();
				$this->showConfigForm();
			break;
			
			case 'show':
			default:
				$this->showConfigForm();
			break;
			
			
			
		}
		
		$page->contentA[$lang['configuration']] = wb::get_clean();
	}
	function setFromRevision(){
		global $wbTables;
		if( empty($_GET['revision']) ){
			message('Cannot revert to an unspecified revision.');
			return;
		}
		
		if( !is_numeric($_GET['revision']) ){
			message('Revision was not a number.');
			return;
		}
		
		message('CONFIG_CONFIRM_REVERT',$_GET['revision']);
		
		$_GET['revision'] = (int)$_GET['revision'];
		
		$query = 'SELECT revision, data FROM '.$wbTables['config'].' WHERE revision = '.$_GET['revision'];
		$result = wbDB::runQuery($query);
		$row = mysql_fetch_assoc($result);
		$this->current = unserialize($row['data']);
		$this->currRevision = $row['revision'];
		$this->checkSum = crc32($row['data']);
		$_POST['summary'] = 'Reverted to revision number '.$_GET['revision'];
	}
	
	
	function setCurrentConfig(){
		global $wbTables;
		if( !empty($this->current) ){
			return;
		}
		$query = 'SELECT revision, data FROM '.$wbTables['config'].' ORDER BY revision DESC LIMIT 1';
		$result = wbDB::runQuery($query);
		$row = mysql_fetch_assoc($result);
		$this->current = unserialize($row['data']);
		$this->currRevision = $row['revision'];
		$this->checkSum = crc32($row['data']);
		
		if( empty($this->current['wbConfig']['allUsers']) ){
			$this->current['wbConfig']['allUsers'] = 'On';
		}
		if( !isset($this->current['wbConfig']['sesslevel']) ){
			$this->current['wbConfig']['sesslevel'] = '2';
		}
		if( !isset($this->current['defaultUser']['pTemplate']) ){
			$this->current['defaultUser']['pTemplate'] = 'default/blue';
			unset($this->current['defaultUser']['template']);
		}
		
	}

	
	///////////////////////////////////////////////////////////////
	//	Possible values
	//		array(On/Off)
	//
	function setPossibleValues(){
		global $lang,$includeDir;
		
		if( !empty($this->possible) ){
			return;
		}
		
		
		$array = array();
		$this->possible =& $array;
		
		$array['general_config'] = null;
		$array['serverName1'] = '';
		$array['serverName2'] = ''; //used just for emailing now
		$array['serverName3'] = '';
		$array['userLanguage'] = array(); //will be set lower
		
		$array['performance'] = null;
		$array['include'] = '';
		$array['googleMapsKey'] = '';
		$array['reservedWords'] = '';
		
		
		$array['wbConfig']['pUser'] = '';
		$array['wbConfig']['online'] = array('On'=>$lang['on'],'Off'=>$lang['off']);
		$array['wbConfig']['floodInterval'] = '';
		$array['wbConfig']['ajax'] = array('On'=>$lang['on'],'Partial'=>$lang['partial'],'Off'=>$lang['off']);
		$array['wbConfig']['tidy'] = array('On'=>$lang['on'],'Off'=>$lang['off']);
		$array['wbConfig']['allUsers'] = array('On'=>$lang['on'],'Off'=>$lang['off']);
		$array['wbConfig']['interHelp'] = array('On'=>$lang['on'],'Off'=>$lang['off']);
		$array['wbConfig']['sesslevel'] = array('1'=>'123.123.123','2'=>'123.123','3'=>'123');
		

		//
		//Default User
		//
		
		$array['default_user_vars'] = null;
		$array['defaultUser']['homeTitle'] = '';
		
		//$array['defaultUser']['template'] = ''; //taken out because we are using the /themes directory now
		
		$array['defaultUser']['textareaY'] = '';
		$array['defaultUser']['isBlog'] = array('On'=>$lang['on'],'Off'=>$lang['off']);
		$array['defaultUser']['timezone'] = '';
		$array['defaultUser']['ajax'] = array('On'=>$lang['on'],'Partial'=>$lang['partial'],'Off'=>$lang['off']);
		$array['defaultUser']['maxHistory'] = '';
		
		includeFile('themes/data.php');
		$themes = returnThemeData();
		$array['defaultUser']['pTemplate'] = array();
		
		foreach($themes as $theme => $colors){
			$group = $theme;
			foreach($colors as $color => $temp){
				if( $color == 'html'){
					continue;
				}
				$full = $theme.'/'.$color;
				$array['defaultUser']['pTemplate'][$full] = $full;
			}
		}

		
		
		$array['disk_usage'] = null;
		$array['maxUserDiskUsage'] = '';
		$array['maxHistory'] = '';
		$array['max_upload'] = '';
		
		//administrators might want to see errors on their distributed system
		$array['developer_aids'] = null;
		$array['maxErrorFileSize'] = '';
		$array['errorEmail'] = '';
		
		
		//Language packages
		$langDir = $includeDir.'/lang';
		if ($dh = @opendir($langDir)) {
			while (($file = readdir($dh)) !== false){
				if( strpos($file,'.') === 0){
					continue;
				}
				if( strpos($file,'x_') === 0){
					continue;
				}				
				$fullPath = $langDir.'/'.$file;
				if( !is_dir($fullPath) ){
					continue;
				}
				$array['userLanguage'][$file] = $lang['lang'][$file];
			}
			closedir($dh);
		}
	}
	
	//	User supplied values must within the guides provided in setPossibleValues()
	//
	function saveConfig(&$newValues){
		global $wbTables;
		$this->setPossibleValues();
		$this->setCurrentConfig();
		
		$this->setArray($this->current,$this->possible,$newValues);
		
		//Move Version value
		$insert['version'] = $GLOBALS['wbConfig']['version'];
		unset($this->current['wbConfig']['version']);//Version 0.9 .. later this won't be needed
		
		
		$insert['data'] = serialize($this->current);
		$insert['summary'] = $_POST['summary'];
		$insert['username'] = $_SESSION['username'];
		
		//Changed??
		$newCheck = crc32($insert['data']);
		if( $newCheck === $this->checkSum){
			message('The configuration has not changed.');
			$this->showConfigForm();
			return;
		}
		
		//!! this is a copy of what's at adminDbInfo.php.. should just be the same script!

		//Insert
		$query = 'INSERT INTO '.$wbTables['config'].' SET ';
		$query .= wbDB::toSet($insert,true);
		//message($query);
		wbDB::runQuery($query);
		$num = mysql_affected_rows();
		if( $num < 1){
			message('<b>Warning</b> This configuration was not saved.');
			$this->showConfigForm();
			
		}else{
			message('Your configuration has been saved.');
		}
	}
	function setArray(&$current,&$possible,&$new){
		
		
		//	reset $current with $new if within $possible
		//
		foreach($new as $newKey => $newValue){
			
			if( !isset($possible[$newKey]) ){
				continue;
				
			}elseif( is_array($newValue) && is_array($current[$newKey]) ){
				$this->setArray($current[$newKey],$possible[$newKey],$newValue);
				continue;
				
			}elseif( is_array($newValue) || (isset($current[$newKey]) &&is_array($current[$newKey])) ){
				continue;
				
			}elseif( is_array($possible[$newKey]) && count($possible[$newKey]) > 0 ){
				if( !isset($possible[$newKey][$newValue]) ){
					continue;//otherwise I would be setting a value that the user didn't choose..
					//$newValue = key($possible[$newKey]);
				}
				//message('Possible is set for '.$newKey.'::'.$newValue.showArray($possible[$newKey]));
			}else{
				//message('<b>Warning:</b> Value is unchecked: '.$newKey);
			}
			$current[$newKey] = $newValue;
		}
	}
	
	function showConfigForm(){
		global $page,$lang;
		
		$this->setPossibleValues();
		$this->setCurrentConfig();
		
		$_POST += array('summary'=>'');
		
		echo '<br/>';
		arrayToForm($this->current,$this->possible,$lang);
		echo '<fieldset style="text-align:center;padding:9px" class="row2">';
		echo ' <input value="'.$lang['save'].'" type="submit" name="cmd" accesskey="s" />';
		echo ' <input value="'.$lang['reset'].'" type="reset" /> &nbsp;';
		echo $lang['edit_summary'].': <input value="'.$_POST['summary'].'" type="text" name="summary" size="60" maxlength="200" />';
		
		echo '<p class="sm">';
		echo $lang['CONFIG_SAVING'];
		echo '<br/>';
		//echo wbLang::text('CONFIG_STAT',$this->currRevision);  //not correct when reverting..
		echo '</p>';
		echo '</fieldset>';
		
	}
}

//
//			configuration class
//
/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
//
//			Form Functions
//

function arrayToForm($values,&$possible,&$langLocal,$inputName=null){
	global $lang;

	$i = 0;

	foreach($possible as $possKey => $possValue){
		$availFeature = true;
		
		if( !isset($values[$possKey]) ){
			$values[$possKey] = null;
		}
		
		if( is_array($values[$possKey]) && is_array($possValue) ){
			arrayToForm($values[$possKey],$possValue,$langLocal[$possKey],$possKey);
			continue;
		}elseif( is_array($values[$possKey]) ){
			trigger_error('config error with possible values.');
			continue;
		}
		
		
		if( is_null($possValue) && is_null($inputName) ){
			if( $i !== 0){
				echo '</table></fieldset>';
			}
			echo "\n".'<fieldset>';
			echo '<legend>'.$langLocal[$possKey].'</legend>';
			echo '<table width="100%" cellpadding="4">';
			continue;
		}
		
		//Is Tidy Available
		if( ($possKey == 'tidy') && !function_exists('tidy_load_config')){
			$availFeature = false;
		}
		
		echo "\n\n".'<tr><td class="row1">';
		echo $langLocal[$possKey]['alias'];
		echo '<br/><span class="sm">';
		echo $langLocal[$possKey]['desc'];
		
		if(!$availFeature){
			echo '<br/>'. $lang['FEATURE_NOT_AVAILABLE'];
		}
		
		echo '</span>';
		echo '</td><td style="vertical-align:middle;width:35%" class="row2">';
		
		//create the name of the <input or <select element
		if( is_null($inputName) ){
			$name = $possKey;
		}else{
			$name = $inputName.'['.$possKey.']';
		}
		

		if(!$availFeature){
			echo '---';
		}elseif( is_array($possValue) ){
			echo formSelect($name,$possValue,$values[$possKey]);
		}else{
			echo formInput($name,$values[$possKey]);
		}
		echo '</td></tr>';
		$i++;
	}
	if( is_null($inputName) ){
		echo '</table></fieldset>';
	}
}




function formInput($name,$value){
	global $lang;
	
	$len = (strlen($value)+5)/5;
	$len = round($len);
	$len = $len*5;
	
	static $textarea = '<textarea name="%s" cols="30" rows="%d">%s</textarea>';
	if($len > 100 && (strpos($value,' ') != false) ){
		$cols=40;
		$rows = ceil($len/$cols);
		return sprintf($textarea,$name,$rows,$value);
	}
	
	
	$len = min(40,$len);
	static $text = '<input name="%s" size="%d" value="%s" type="text"/>';
	return "\n".sprintf($text,$name,$len,$value);
}


// this function is in multiple files
// similar to functions in searchSearch.php, specPreferences.php
function formSelect($name,$possible,$value=null){
	
	$result = "\n".'<select name="'.$name.'">';
	if( !isset($possible[$value]) ){
		$result .= '<option value="" selected="selected"></option>';
	}

	foreach($possible as $optionKey => $optionValue){
		if($optionKey == $value){
			$focus = ' selected="selected" ';
		}else{
			$focus = '';
		}
		$result .= '<option value="'.htmlspecialchars($optionKey).'" '.$focus.'>'.$optionValue.'</option>';
	}
	$result .= '</select>';
	return $result;
}

//
//			Form Functions
//
/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////
//
//			Flow
//



//$page->userCmd set to false when updating..
if( $page->userCmd !== false){
	
	global $page,$dbObject,$lang,$pageOwner;
	
	$dbObject->links[$lang['configuration']] = $page->formAction = $dbObject->uniqLink = '/Admin/'.$pageOwner['username'].'/Configuration';
	$dbObject->links[$lang['confighistory']] = '/Admin/'.$pageOwner['username'].'/ConfigHistory';
	$dbObject->links['?'] = 'Configuration';
	
	$page->contentA[$lang['configuration']] = ' ';
	$page->displayTitle = $lang['configuration'];
	
	new configuration($page->userCmd);
}