File: /var/www/vhosts/pgkdistribution.com.au/citisolar.com.au/thedon0915/jssource/minify_utils.php
<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along with
* this program; if not, see http://www.gnu.org/licenses or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
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********************************************************************************/
/**get_exclude_files
*
* This method returns a predefined array.
* The array holds the location of files/folders to be excluded
* if a prefix is passed in, then it is prepended to the key value in the array
* @prefix string to be prepended to key value in array
*/
function get_exclude_files($prefix = ''){
//add slash to prefix if it is not empty
if(!empty($prefix)){
$prefix = $prefix . '/';
}
//add prefix to key if it was passed in
$compress_exempt_files = array(
$prefix.'cache' => 'cache',
$prefix.'include/javascript/tiny_mce' => 'include/javascript/tiny_mce',
$prefix.'include/javascript/yui' => 'include/javascript/yui',
$prefix.'include/javascript/yui-old' => 'include/javascript/yui-old',
$prefix.'include/javascript/ext-1.1.1' => 'include/javascript/ext-1.1.1',
$prefix.'include/javascript/ext-2.0' => 'include/javascript/ext-2.0',
$prefix.'include/javascript/tiny_mce' => 'include/javascript/tiny_mce',
$prefix.'modules/Emails' => 'modules/Emails',
$prefix.'jssource' => 'jssource',
$prefix.'modules/ModuleBuilder' => 'modules/ModuleBuilder',
);
return $compress_exempt_files;
}
/**ConcatenateFiles($from_path)
*
* This method takes in a string value of the root directory to begin processing
* it uses the predefined array of groupings to create a concatenated file for each grouping
* and places the concatenated file in root directory
* @from_path root directory where processing should take place
*/
function ConcatenateFiles($from_path){
$js_groupings = array();
if(isset($_REQUEST['root_directory'])){
require('jssource/JSGroupings.php');
}else{
require('JSGroupings.php');
}
//get array with file sources to concatenate
$file_groups = $js_groupings;//from JSGroupings.php;
$files_opened = array();
$currPerm = '';
//for each item in array, concatenate the source files
foreach($file_groups as $fg){
//process each group array
foreach($fg as $loc=>$trgt){
$relpath = $loc;
$loc = $from_path.'/'.$loc;
$trgt = $from_path.'/'.$trgt;
//check to see that source file exists, that it is a file, and is readable
if(file_exists($loc) && is_file($loc) && is_readable($loc)){
$currPerm = fileperms($loc);
//check to see if target exists, if it does then open file
if(file_exists($trgt)){
if(in_array($trgt, $files_opened)){
//open target file
if(function_exists('sugar_fopen')){
$trgt_handle = sugar_fopen($trgt, 'a');
}else{
$trgt_handle = fopen($trgt, 'a');
}
}else{
//open target file
if(function_exists('sugar_fopen')){
$trgt_handle = sugar_fopen($trgt, 'w');
}else{
$trgt_handle = fopen($trgt, 'w');
}
}
}else{
//create and open target file
if(function_exists('sugar_fopen')){
$trgt_handle = @sugar_fopen($trgt, 'w');
}else{
$trgt_handle = @fopen($trgt, 'w');
}
// todo: make this failure more friendly. Ideally, it will display a
// warning to admin users and revert back to displaying all of the
// Javascript files insted of displaying the minified versions.
if ($trgt_handle === false) {
$target_directory = dirname($trgt);
$base_name = realpath(dirname(__FILE__) . '/..') . '/';
$target_directory = substr($target_directory, strlen($base_name));
sugar_die("please make sure {$target_directory} is writable\n");
}
}
$files_opened[] = $trgt;
//make sure we have handles to both source and target file
if ($trgt_handle) {
$buffer = file_get_contents($loc);
$buffer .= "// End of File $relpath
";
$num = fwrite($trgt_handle, $buffer);
if( $num=== false){
//log error, file did not get appended
echo "Error while concatenating file $loc to target file $trgt \n";
}
//close file opened.
fclose($trgt_handle);
}
}
}
//set permissions on this file
if(!empty($currPerm) && $currPerm !== false){
//if we can retrieve permissions from target files, use same
//permission on concatenated file
if(function_exists('sugar_chmod')){
@sugar_chmod($trgt, $currPerm);
}else{
@chmod($trgt, $currPerm);
}
}else{
//no permissions could be retrieved, so set to 777
if(function_exists('sugar_chmod')){
@sugar_chmod($trgt, 0777);
}else{
@chmod($trgt, 0777);
}
}
}
}
function create_backup_folder($bu_path){
$bu_path = str_replace('\\', '/', $bu_path);
//get path after root
$jpos = strpos($bu_path,'jssource');
if($jpos===false){
$process_path = $bu_path;
}else{
$process_path = substr($bu_path, $jpos);
$prefix_process_path = substr($bu_path, 0, $jpos-1);
}
//get rest of directories into array
$bu_dir_arr = explode('/', $process_path);
//iterate through each directory and create if needed
foreach($bu_dir_arr as $bu_dir){
if(!file_exists($prefix_process_path.'/'.$bu_dir)){
if(function_exists('sugar_mkdir')){
sugar_mkdir($prefix_process_path.'/'.$bu_dir);
}else{
mkdir($prefix_process_path.'/'.$bu_dir);
}
}
$prefix_process_path = $prefix_process_path.'/'.$bu_dir;
}
}
/**CompressFiles
* This method will call jsmin libraries to minify passed in files
* This method takes in 2 string values of the files to process
* Processing will back up javascript files and then minify the original javascript.
* Back up javascript files will have an added .src extension
* @from_path file name and path to be processed
* @to_path file name and path to be used to place newly compressed contents
*/
function CompressFiles($from_path,$to_path){
if(!defined('JSMIN_AS_LIB')){
define('JSMIN_AS_LIB', true);
}
//assumes jsmin.php is in same directory
if(isset($_REQUEST['root_directory']) || defined('INSTANCE_PATH')){
require_once('jssource/jsmin.php');
}else{
require_once('jsmin.php');
}
$nl='
';
//check to make sure from path and to path are not empty
if(isset($from_path) && !empty($from_path)&&isset($to_path) && !empty($to_path)){
$lic_str = '';
$ReadNextLine = true;
// Output a minified version of example.js.
if(file_exists($from_path) && is_file($from_path)){
//read in license script
if(function_exists('sugar_fopen')){
$file_handle = sugar_fopen($from_path, 'r');
}else{
$file_handle = fopen($from_path, 'r');
}
if($file_handle){
$beg = false;
//Read the file until you hit a line with code. This is meant to retrieve
//the initial license string found in the beginning comments of js code.
while (!feof($file_handle) && $ReadNextLine) {
$newLine = fgets($file_handle, 4096);
$newLine = trim($newLine);
//See if line contains open or closing comments
//if opening comments are found, set $beg to true
if(strpos($newLine, '/*')!== false){
$beg = true;
}
//if closing comments are found, set $beg to false
if(strpos($newLine, '*/')!== false){
$beg = false;
}
//if line is not empty (has code) set the boolean to false
if(! empty($newLine)){$ReadNextLine = false;}
//If we are in a comment block, then set boolean back to true
if($beg){
$ReadNextLine = true;
//add new line to license string
$lic_str .=trim($newLine).$nl;
}else{
//if we are here it means that uncommented and non blank line has been reached
//Check to see that ReadNextLine is true, if so then add the last line collected
//make sure the last line is either the end to a comment block, or starts with '//'
//else do not add as it is live code.
if(!empty($newLine) && ((strpos($newLine, '*/')!== false) || ($newLine{0}.$newLine{1}== '//'))){
//add new line to license string
$lic_str .=$newLine;
}
//set to false because $beg is false, which means the comment block has ended
$ReadNextLine = false;
}
}
}
if($file_handle){
fclose($file_handle);
}
//place license string into array for use with jsmin file.
//this will preserve the license in the file
$lic_arr = array($lic_str);
//minify javascript
//$jMin = new JSMin($from_path,$to_path,$lic_arr);
$out = $lic_str . JSMin::minify(file_get_contents($from_path));
if(function_exists('sugar_fopen') && $fh = @sugar_fopen( $to_path, 'w' ) )
{
fputs( $fh, $out);
fclose( $fh );
} else {
file_put_contents($to_path, $out);
}
}else{
//log failure
echo"<B> COULD NOT COMPRESS $from_path, it is not a file \n";
}
}else{
//log failure
echo"<B> COULD NOT COMPRESS $from_path, missing variables \n";
}
}
function reverseScripts($from_path,$to_path=''){
$from_path = str_replace('\\', '/', $from_path);
if(empty($to_path)){
$to_path = $from_path;
}
$to_path = str_replace('\\', '/', $to_path);
//check to see if provided paths are legit
if (!file_exists("$from_path"))
{
//log error
echo "JS Source directory at $from_path Does Not Exist<p>\n";
return;
}
//get correct path for backup
$bu_path = $to_path;
$bu_path .= substr($from_path, strlen($to_path.'/jssource/src_files'));
//if this is a directory, then read it and process files
if(is_dir("$from_path")){
//grab file / directory and read it.
$handle = opendir("$from_path");
//loop over the directory and go into each child directory
while (false !== ($dir = readdir($handle))) {
//make sure you go into directory tree and not out of tree
if($dir!= '.' && $dir!= '..'){
//make recursive call to process this directory
reverseScripts($from_path.'/'.$dir, $to_path );
}
}
}
//if this is not a directory, then
//check if this is a javascript file, then process
$path_parts = pathinfo($from_path);
if(is_file("$from_path") && isset($path_parts['extension']) && $path_parts['extension'] =='js'){
//create backup directory if needed
$bu_dir = dirname($bu_path);
if(!file_exists($bu_dir)){
//directory does not exist, log it and return
echo" directory $bu_dir does not exist, could not restore $bu_path";
return;
}
//delete backup src file if it exists already
if(file_exists($bu_path)){
unlink($bu_path);
}
copy($from_path, $bu_path);
}
}
/**BackUpAndCompressScriptFiles
*
* This method takes in a string value of the root directory to begin processing
* it will process and iterate through all files and subdirectories
* under the passed in directory, ignoring directories and files from the predefined exclude array.
* Processing includes calling a method that will minify the javascript children files
* @from_path root directory where processing should take place
* @to_path root directory where processing should take place, this gets filled in dynamically
*/
function BackUpAndCompressScriptFiles($from_path,$to_path = '', $backup = true){
//check to see if provided paths are legit
if (!file_exists("$from_path"))
{
//log error
echo "The from directory, $from_path Does Not Exist<p>\n";
return;
}else{
$from_path = str_replace('\\', '/', $from_path);
}
if(empty($to_path)){
$to_path = $from_path;
}elseif (!file_exists("$to_path"))
{
//log error
echo "The to directory, $to_path Does Not Exist<p>\n";
return;
}
//now grab list of files to exclude from minifying
$exclude_files = get_exclude_files($to_path);
//process only if file/directory is not in exclude list
if(!isset($exclude_files[$from_path])){
//get correct path for backup
$bu_path = $to_path.'/jssource/src_files';
$bu_path .= substr($from_path, strlen($to_path));
//if this is a directory, then read it and process files
if(is_dir("$from_path")){
//grab file / directory and read it.
$handle = opendir("$from_path");
//loop over the directory and go into each child directory
while (false !== ($dir = readdir($handle))) {
//make sure you go into directory tree and not out of tree
if($dir!= '.' && $dir!= '..'){
//make recursive call to process this directory
BackUpAndCompressScriptFiles($from_path.'/'.$dir, $to_path,$backup);
}
}
}
//if this is not a directory, then
//check if this is a javascript file, then process
$path_parts = pathinfo($from_path);
if(is_file("$from_path") && isset($path_parts['extension']) && $path_parts['extension'] =='js'){
if($backup){
$bu_dir = dirname($bu_path);
if(!file_exists($bu_dir)){
create_backup_folder($bu_dir);
}
//delete backup src file if it exists already
if(file_exists($bu_path)){
unlink($bu_path);
}
//copy original file into a source file
rename($from_path, $bu_path);
}else{
//no need to backup, but remove file that is about to be copied
//if it exists in both backed up scripts and working directory
if(file_exists($from_path) && file_exists($bu_path)){unlink($from_path);}
}
//now make call to minify and overwrite the original file.
CompressFiles($bu_path, $from_path);
}
}
}