1 files changed, 428 insertions, 0 deletions
diff --git a/plugins/LocalFilesEditor/editarea/edit_area_compressor.php b/plugins/LocalFilesEditor/editarea/edit_area_compressor.php
new file mode 100644
index 000000000..518e1b7bc
--- /dev/null
+++ b/plugins/LocalFilesEditor/editarea/edit_area_compressor.php
@@ -0,0 +1,428 @@
+<?php
+	/******
+	 *
+	 *	EditArea PHP compressor
+	 * 	Developped by Christophe Dolivet
+	 *	Released under LGPL, Apache and BSD licenses
+	 *	v1.1.3 (2007/01/18)	 
+	 *
+	******/
+	
+	// CONFIG
+	$param['cache_duration']= 3600 * 24 * 10;		// 10 days util client cache expires
+	$param['compress'] = true;						// enable the code compression, should be activated but it can be usefull to desactivate it for easier error retrieving (true or false)
+	$param['debug'] = false;						// Enable this option if you need debuging info
+	$param['use_disk_cache']= true;					// If you enable this option gzip files will be cached on disk.
+	$param['use_gzip']= true;						// Enable gzip compression
+	// END CONFIG
+	
+	$compressor= new Compressor($param);
+	
+	class Compressor{
+	
+		
+		function compressor($param)
+		{
+			$this->__construct($param);
+		}
+		
+		function __construct($param)
+		{
+			$this->start_time= $this->get_microtime();
+			$this->file_loaded_size=0;
+			$this->param= $param;
+			$this->script_list="";
+			$this->path= dirname(__FILE__)."/";
+			if(isset($_GET['plugins'])){
+				$this->load_all_plugins= true;
+				$this->full_cache_file= $this->path."edit_area_full_with_plugins.js";
+				$this->gzip_cache_file= $this->path."edit_area_full_with_plugins.gz";
+			}else{
+				$this->load_all_plugins= false;
+				$this->full_cache_file= $this->path."edit_area_full.js";
+				$this->gzip_cache_file= $this->path."edit_area_full.gz";
+			}
+			
+			$this->check_gzip_use();
+			$this->send_headers();
+			$this->check_cache();
+			$this->load_files();
+			$this->send_datas();
+		}
+		
+		function send_headers()
+		{
+			header("Content-type: text/javascript; charset: UTF-8");
+			header("Vary: Accept-Encoding"); // Handle proxies
+			header(sprintf("Expires: %s GMT", gmdate("D, d M Y H:i:s", time() + $this->param['cache_duration'])) );
+			if($this->use_gzip)
+				header("Content-Encoding: ".$this->gzip_enc_header);
+		}
+		
+		function check_gzip_use()
+		{
+			$encodings = array();
+			$desactivate_gzip=false;
+					
+			if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
+				$encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING'])));
+			
+			// desactivate gzip for IE version < 7
+			if(preg_match("/(?:msie )([0-9.]+)/i", $_SERVER['HTTP_USER_AGENT'], $ie))
+			{
+				if($ie[1]<7)
+					$desactivate_gzip=true;	
+			}
+			
+			// Check for gzip header or northon internet securities
+			if (!$desactivate_gzip && $this->param['use_gzip'] && (in_array('gzip', $encodings) || in_array('x-gzip', $encodings) || isset($_SERVER['---------------'])) && function_exists('ob_gzhandler') && !ini_get('zlib.output_compression')) {
+				$this->gzip_enc_header= in_array('x-gzip', $encodings) ? "x-gzip" : "gzip";
+				$this->use_gzip=true;
+				$this->cache_file=$this->gzip_cache_file;
+			}else{
+				$this->use_gzip=false;
+				$this->cache_file=$this->full_cache_file;
+			}
+		}
+		
+		function check_cache()
+		{
+			// Only gzip the contents if clients and server support it
+			if (file_exists($this->cache_file)) {
+				// check if cache file must be updated
+				$cache_date=0;				
+				if ($dir = opendir($this->path)) {
+					while (($file = readdir($dir)) !== false) {
+						if(is_file($this->path.$file) && $file!="." && $file!="..")
+							$cache_date= max($cache_date, filemtime($this->path.$file));
+					}
+					closedir($dir);
+				}
+				if($this->load_all_plugins){
+					$plug_path= $this->path."plugins/";
+					if (($dir = @opendir($plug_path)) !== false)
+					{
+						while (($file = readdir($dir)) !== false)
+						{
+							if ($file !== "." && $file !== "..")
+							{
+								if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js"))
+									$cache_date= max($cache_date, filemtime("plugins/".$file."/".$file.".js"));
+							}
+						}
+						closedir($dir);
+					}
+				}
+
+				if(filemtime($this->cache_file) >= $cache_date){
+					// if cache file is up to date
+					$last_modified = gmdate("D, d M Y H:i:s",filemtime($this->cache_file))." GMT";
+					if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && strcasecmp($_SERVER["HTTP_IF_MODIFIED_SINCE"], $last_modified) === 0)
+					{
+						header("HTTP/1.1 304 Not Modified");
+						header("Last-modified: ".$last_modified);
+						header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache
+						header("Pragma:"); // Tells HTTP 1.0 clients to cache
+					}
+					else
+					{
+						header("Last-modified: ".$last_modified);
+						header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache
+						header("Pragma:"); // Tells HTTP 1.0 clients to cache
+						header('Content-Length: '.filesize($this->cache_file));
+						echo file_get_contents($this->cache_file);
+					}				
+					die;
+				}
+			}
+			return false;
+		}
+		
+		function load_files()
+		{
+			$loader= $this->get_content("edit_area_loader.js")."\n";
+			
+			// get the list of other files to load
+	    	$loader= preg_replace("/(t\.scripts_to_load=\s*)\[([^\]]*)\];/e"
+						, "\$this->replace_scripts('script_list', '\\1', '\\2')"
+						, $loader);
+		
+			$loader= preg_replace("/(t\.sub_scripts_to_load=\s*)\[([^\]]*)\];/e"
+						, "\$this->replace_scripts('sub_script_list', '\\1', '\\2')"
+						, $loader);
+
+			// replace languages names
+			$reg_path= $this->path."reg_syntax/";
+			$a_displayName	= array();
+			if (($dir = @opendir($reg_path)) !== false)
+			{
+				while (($file = readdir($dir)) !== false)
+				{
+					if( $file !== "." && $file !== ".." && ( $pos = strpos( $file, '.js' ) ) !== false )
+					{
+						$jsContent	= $this->file_get_contents( $reg_path.$file );
+						if( preg_match( '@(\'|")DISPLAY_NAME\1\s*:\s*(\'|")(.*)\2@', $jsContent, $match ) )
+						{
+							$a_displayName[] = "'". substr( $file, 0, $pos ) ."':'". htmlspecialchars( $match[3], ENT_QUOTES ) ."'";
+						}
+					}
+				}
+				closedir($dir);
+			}
+			$loader	= str_replace( '/*syntax_display_name_AUTO-FILL-BY-COMPRESSOR*/', implode( ",", $a_displayName ), $loader );
+						
+			$this->datas= $loader;
+			$this->compress_javascript($this->datas);
+			
+			// load other scripts needed for the loader
+			preg_match_all('/"([^"]*)"/', $this->script_list, $match);
+			foreach($match[1] as $key => $value)
+			{
+				$content= $this->get_content(preg_replace("/\\|\//i", "", $value).".js");
+				$this->compress_javascript($content);
+				$this->datas.= $content."\n";
+			}
+			//$this->datas);
+			//$this->datas= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $this->datas);
+			
+			// improved compression step 1/2	
+			$this->datas= preg_replace(array("/(\b)EditAreaLoader(\b)/", "/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/"), array("EAL", "eAL", "eAs"), $this->datas);
+			//$this->datas= str_replace(array("EditAreaLoader", "editAreaLoader", "editAreas"), array("EAL", "eAL", "eAs"), $this->datas);
+			$this->datas.= "var editAreaLoader= eAL;var editAreas=eAs;EditAreaLoader=EAL;";
+		
+			// load sub scripts
+			$sub_scripts="";
+			$sub_scripts_list= array();
+			preg_match_all('/"([^"]*)"/', $this->sub_script_list, $match);
+			foreach($match[1] as $value){
+				$sub_scripts_list[]= preg_replace("/\\|\//i", "", $value).".js";
+			}
+		
+			if($this->load_all_plugins){
+				// load plugins scripts
+				$plug_path= $this->path."plugins/";
+				if (($dir = @opendir($plug_path)) !== false)
+				{
+					while (($file = readdir($dir)) !== false)
+					{
+						if ($file !== "." && $file !== "..")
+						{
+							if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js"))
+								$sub_scripts_list[]= "plugins/".$file."/".$file.".js";
+						}
+					}
+					closedir($dir);
+				}
+			}
+							
+			foreach($sub_scripts_list as $value){
+				$sub_scripts.= $this->get_javascript_content($value);
+			}
+			// improved compression step 2/2	
+			$sub_scripts= preg_replace(array("/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/", "/(\b)editArea(\b)/", "/(\b)EditArea(\b)/"), array("eAL", "eAs", "eA", "EA"), $sub_scripts);
+		//	$sub_scripts= str_replace(array("editAreaLoader", "editAreas", "editArea", "EditArea"), array("eAL", "eAs", "eA", "EA"), $sub_scripts);
+			$sub_scripts.= "var editArea= eA;EditArea=EA;";
+			
+			
+			// add the scripts
+		//	$this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\";\n", $sub_scripts);
+		
+		
+			// add the script and use a last compression 
+			if( $this->param['compress'] )
+			{
+				$last_comp	= array( 'Á' => 'this',
+								 'Â' => 'textarea',
+								 'Ã' => 'function',
+								 'Ä' => 'prototype',
+								 'Å' => 'settings',
+								 'Æ' => 'length',
+								 'Ç' => 'style',
+								 'È' => 'parent',
+								 'É' => 'last_selection',
+								 'Ê' => 'value',
+								 'Ë' => 'true',
+								 'Ì' => 'false'
+								 /*,
+									'Î' => '"',
+								 'Ï' => "\n",
+								 'À' => "\r"*/);
+			}
+			else
+			{
+				$last_comp	= array();
+			}
+			
+			$js_replace= '';
+			foreach( $last_comp as $key => $val )
+				$js_replace .= ".replace(/". $key ."/g,'". str_replace( array("\n", "\r"), array('\n','\r'), $val ) ."')";
+			
+			$this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\"%s;\n",
+								str_replace( array_values($last_comp), array_keys($last_comp), $sub_scripts ), 
+								$js_replace);
+			
+			if($this->load_all_plugins)
+				$this->datas.="editAreaLoader.all_plugins_loaded=true;\n";
+		
+			
+			// load the template
+			$this->datas.= sprintf("editAreaLoader.template= \"%s\";\n", $this->get_html_content("template.html"));
+			// load the css
+			$this->datas.= sprintf("editAreaLoader.iframe_css= \"<style>%s</style>\";\n", $this->get_css_content("edit_area.css"));
+					
+		//	$this->datas= "function editArea(){};editArea.prototype.loader= function(){alert('bouhbouh');} var a= new editArea();a.loader();";
+					
+		}
+		
+		function send_datas()
+		{
+			if($this->param['debug']){
+				$header=sprintf("/* USE PHP COMPRESSION\n");
+				$header.=sprintf("javascript size: based files: %s => PHP COMPRESSION => %s ", $this->file_loaded_size, strlen($this->datas));
+				if($this->use_gzip){
+					$gzip_datas=  gzencode($this->datas, 9, FORCE_GZIP);				
+					$header.=sprintf("=> GZIP COMPRESSION => %s", strlen($gzip_datas));
+					$ratio = round(100 - strlen($gzip_datas) / $this->file_loaded_size * 100.0);			
+				}else{
+					$ratio = round(100 - strlen($this->datas) / $this->file_loaded_size * 100.0);
+				}
+				$header.=sprintf(", reduced by %s%%\n", $ratio);
+				$header.=sprintf("compression time: %s\n", $this->get_microtime()-$this->start_time); 
+				$header.=sprintf("%s\n", implode("\n", $this->infos));
+				$header.=sprintf("*/\n");
+				$this->datas= $header.$this->datas;	
+			}
+			$mtime= time(); // ensure that the 2 disk files will have the same update time
+			// generate gzip file and cahce it if using disk cache
+			if($this->use_gzip){
+				$this->gzip_datas= gzencode($this->datas, 9, FORCE_GZIP);
+				if($this->param['use_disk_cache'])
+					$this->file_put_contents($this->gzip_cache_file, $this->gzip_datas, $mtime);
+			}
+			
+			// generate full js file and cache it if using disk cache			
+			if($this->param['use_disk_cache'])
+				$this->file_put_contents($this->full_cache_file, $this->datas, $mtime);
+			
+			// generate output
+			if($this->use_gzip)
+				echo $this->gzip_datas;
+			else
+				echo $this->datas;
+				
+//			die;
+		}
+				
+		
+		function get_content($end_uri)
+		{
+			$end_uri=preg_replace("/\.\./", "", $end_uri); // Remove any .. (security)
+			$file= $this->path.$end_uri;
+			if(file_exists($file)){
+				$this->infos[]=sprintf("'%s' loaded", $end_uri);
+				/*$fd = fopen($file, 'rb');
+				$content = fread($fd, filesize($file));
+				fclose($fd);
+				return $content;*/
+				return $this->file_get_contents($file);
+			}else{
+				$this->infos[]=sprintf("'%s' not loaded", $end_uri);
+				return "";
+			}
+		}
+		
+		function get_javascript_content($end_uri)
+		{
+			$val=$this->get_content($end_uri);
+	
+			$this->compress_javascript($val);
+			$this->prepare_string_for_quotes($val);
+			return $val;
+		}
+		
+		function compress_javascript(&$code)
+		{
+			if($this->param['compress'])
+			{
+				// remove all comments
+				//	(\"(?:[^\"\\]*(?:\\\\)*(?:\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\]*(?:\\\\)*(?:\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))
+				$code= preg_replace("/(\"(?:[^\"\\\\]*(?:\\\\\\\\)*(?:\\\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\\\]*(?:\\\\\\\\)*(?:\\\\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code);
+				// remove line return, empty line and tabulation
+				$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code);
+				// add line break before "else" otherwise navigators can't manage to parse the file
+				$code= preg_replace('/(\b(else)\b)/', "\n$1", $code);
+				// remove unnecessary spaces
+				$code= preg_replace('/( |\t|\r)*(;|\{|\}|=|==|\-|\+|,|\(|\)|\|\||&\&|\:)( |\t|\r)*/', "$2", $code);
+			}
+		}
+		
+		function get_css_content($end_uri){
+			$code=$this->get_content($end_uri);
+			// remove comments
+			$code= preg_replace("/(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "", $code);
+			// remove spaces
+			$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $code);
+			// remove spaces
+			$code= preg_replace('/( |\t|\r)?(\:|,|\{|\})( |\t|\r)+/', "$2", $code);
+		
+			$this->prepare_string_for_quotes($code);
+			return $code;
+		}
+		
+		function get_html_content($end_uri){
+			$code=$this->get_content($end_uri);
+			//$code= preg_replace('/(\"(?:\\\"|[^\"])*(?:\"|$))|' . "(\'(?:\\\'|[^\'])*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code);
+			$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code);
+			$this->prepare_string_for_quotes($code);
+			return $code;
+		}
+		
+		function prepare_string_for_quotes(&$str){
+			// prepare the code to be putted into quotes 
+			/*$pattern= array("/(\\\\)?\"/", '/\\\n/'	, '/\\\r/'	, "/(\r?\n)/");
+			$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r'	, '\\\n"$1+"');*/
+			$pattern= array("/(\\\\)?\"/", '/\\\n/'	, '/\\\r/'	, "/(\r?\n)/");
+			if($this->param['compress'])
+				$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r'	, '\n');
+			else
+				$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r'	, "\\n\"\n+\"");
+			$str= preg_replace($pattern, $replace, $str);
+		}
+		
+		function replace_scripts($var, $param1, $param2)
+		{
+			$this->$var=stripslashes($param2);
+	        return $param1."[];";
+		}
+
+		/* for php version that have not thoses functions */
+		function file_get_contents($file)
+		{
+			$fd = fopen($file, 'rb');
+			$content = fread($fd, filesize($file));
+			fclose($fd);
+			$this->file_loaded_size+= strlen($content);
+			return $content;				
+		}
+		
+		function file_put_contents($file, &$content, $mtime=-1)
+		{
+			if($mtime==-1)
+				$mtime=time();
+			$fp = @fopen($file, "wb");
+			if ($fp) {
+				fwrite($fp, $content);
+				fclose($fp);
+				touch($file, $mtime);
+				return true;
+			}
+			return false;
+		}
+		
+		function get_microtime()
+		{
+		   list($usec, $sec) = explode(" ", microtime());
+		   return ((float)$usec + (float)$sec);
+		}
+	}	
+?>