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<?php
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
class HtaccessFileCache implements CacheData
{
private $htaccess_file_content='';
private $general_config;
 
 
 
 
public function synchronize()
{
$this->htaccess_file_content='';
$this->general_config=GeneralConfig::load();
 
if(ServerEnvironmentConfig::load()->is_url_rewriting_enabled())
{
$this->enable_rewrite_rules();
 
$this->add_core_rules();
$this->add_modules_rules();
 
$this->add_bandwidth_protection();
 
$this->add_robots_protection();
}
 
$this->add_error_redirection();
 
$this->add_hide_directory_listings();
 
$this->add_manual_content();
 
$this->clean_file_content();
}
 
private function add_line($line)
{
$this->htaccess_file_content.="n".$line;
}
 
private function add_empty_line()
{
$this->add_line('');
}
 
private function add_section($name)
{
$this->add_empty_line();
$this->add_line('# '.$name.' #');
}
 
private function enable_rewrite_rules()
{
$this->add_section('Rewrite rules');
//$this->add_line('Options +FollowSymlinks');
$this->add_line('RewriteEngine on');
}
 
private function add_core_rules()
{
$this->add_section('Core');
 
$this->add_rewrite_rule('^user/pm-?([0-9]+)-?([0-9]{0,})-?([0-9]{0,})-?([0-9]{0,})-?([a-z_]{0,}).php$','user/pm.php?pm=$1&id=$2&p=$3&quote=$4');
 
$eps=AppContext::get_extension_provider_service();
$mappings=$eps->get_extension_point(UrlMappingsExtensionPoint::EXTENSION_POINT);
$authorized_extension_point=array('kernel','user');
foreach($mappings as $id=>$mapping_list)
{
if(in_array($id,$authorized_extension_point))
{
$this->add_url_mapping($mapping_list);
}
}
}
 
private function add_modules_rules()
{
$this->add_section('Modules rules');
 
$modules=ModulesManager::get_activated_modules_map();
$eps=AppContext::get_extension_provider_service();
foreach($modules as $module)
{
$id=$module->get_id();
$configuration=$module->get_configuration();
$rules=$configuration->get_url_rewrite_rules();
if(!empty($rules))
{
$this->add_section($id);
}
foreach($rules as $rule)
{
$this->add_line(str_replace('DIR',$this->general_config->get_site_path(),$rule));
}
if($eps->provider_exists($id,UrlMappingsExtensionPoint::EXTENSION_POINT))
{
$this->add_section($id);
$provider=$eps->get_provider($id);
$url_mappings=$provider->get_extension_point(UrlMappingsExtensionPoint::EXTENSION_POINT);
$this->add_url_mapping($url_mappings);
}
}
}
 
private function add_rewrite_rule($match,$path,$options='L,QSA')
{
$this->add_line('RewriteRule '.$match.' '.$this->general_config->get_site_path().'/'.ltrim($path,'/').' ['.$options.']');
}
 
private function add_url_mapping(UrlMappingsExtensionPoint $mapping_list)
{
foreach($mapping_list->list_mappings()as $mapping)
{
$this->add_rewrite_rule($mapping->from(),$mapping->to());
}
}
 
private function add_bandwidth_protection()
{
 
 
if(FileUploadConfig::load()->get_enable_bandwidth_protect())
{
$this->add_section('Bandwith protection');
$this->add_line('RewriteCond %{HTTP_REFERER} !^$');
$this->add_line('RewriteCond %{HTTP_REFERER} !^'.$this->general_config->get_site_url());
$this->add_line('RewriteRule .*upload/.*$ - [F]');
}
}
 
private function add_robots_protection()
{
 
$this->add_section('Avoid Hacking Attempt');
$this->add_line('RewriteCond %{HTTP_USER_AGENT} libwww [NC]');
$this->add_line('RewriteRule .* - [F,L]');
}
 
private function add_error_redirection()
{
 
$this->add_empty_line();
$this->add_line('# Error pages #');
$this->add_line('ErrorDocument 403 '.$this->general_config->get_site_path().UserUrlBuilder::error_403()->relative());
$this->add_line('ErrorDocument 404 '.$this->general_config->get_site_path().UserUrlBuilder::error_404()->relative());
}
 
private function add_hide_directory_listings()
{
$this->add_empty_line();
$this->add_line('# Hide directory listings #');
$this->add_line('Options -Indexes');
}
 
private function add_manual_content()
{
$manual_content=ServerEnvironmentConfig::load()->get_htaccess_manual_content();
if(!empty($manual_content))
{
$this->add_section('Manual content');
$this->add_line($manual_content);
}
}
 
private function clean_file_content()
{
$this->htaccess_file_content=trim($this->htaccess_file_content);
}
 
 
 
 
 
public function get_htaccess_file_content()
{
return $this->htaccess_file_content;
}
 
 
 
 
 
public static function load()
{
return CacheManager::load(__CLASS__,'kernel','htaccess-file');
}
 
 
 
 
public static function invalidate()
{
CacheManager::invalidate('kernel','htaccess-file');
}
 
 
 
 
public static function regenerate()
{
self::invalidate();
self::update_htaccess_file();
}
 
private static function update_htaccess_file()
{
$file=new File(PATH_TO_ROOT.'/.htaccess');
 
try
{
$file->write(self::get_file_content());
$file->close();
}
catch(IOException $ex)
{
ErrorHandler::add_error_in_log('Couldn't write the .htaccess file. Please check the site root read authorizations.','');
}
}
 
 
 
 
 
private static function get_file_content()
{
return self::load()->get_htaccess_file_content();
}
}
?>