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1 <?php
2 if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
3 /*********************************************************************************
4  * SugarCRM Community Edition is a customer relationship management program developed by
5  * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
6  * 
7  * This program is free software; you can redistribute it and/or modify it under
8  * the terms of the GNU Affero General Public License version 3 as published by the
9  * Free Software Foundation with the addition of the following permission added
10  * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
11  * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
12  * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
13  * 
14  * This program is distributed in the hope that it will be useful, but WITHOUT
15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
17  * details.
18  * 
19  * You should have received a copy of the GNU Affero General Public License along with
20  * this program; if not, see http://www.gnu.org/licenses or write to the Free
21  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22  * 02110-1301 USA.
23  * 
24  * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
25  * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
26  * 
27  * The interactive user interfaces in modified source and object code versions
28  * of this program must display Appropriate Legal Notices, as required under
29  * Section 5 of the GNU Affero General Public License version 3.
30  * 
31  * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
32  * these Appropriate Legal Notices must retain the display of the "Powered by
33  * SugarCRM" logo. If the display of the logo is not reasonably feasible for
34  * technical reasons, the Appropriate Legal Notices must display the words
35  * "Powered by SugarCRM".
36  ********************************************************************************/
37
38
39
40
41     /**get_exclude_files
42      * 
43      * This method returns a predefined array.  
44      * The array holds the location of files/folders to be excluded  
45      * if a prefix is passed in, then it is prepended to the key value in the array
46      * @prefix string to be prepended to key value in array
47      */
48     function get_exclude_files($prefix = ''){
49         //add slash to prefix if it is not empty
50         if(!empty($prefix)){
51             $prefix = $prefix . '/';
52         }
53       //add prefix to key if it was passed in  
54       $compress_exempt_files = array(
55             $prefix.'cache'                         => 'cache',
56             $prefix.'include/javascript/tiny_mce'   => 'include/javascript/tiny_mce',
57             $prefix.'include/javascript/yui'        => 'include/javascript/yui',
58             $prefix.'include/javascript/yui-old'    => 'include/javascript/yui-old',
59             $prefix.'include/javascript/ext-1.1.1'  => 'include/javascript/ext-1.1.1',
60             $prefix.'include/javascript/ext-2.0'    => 'include/javascript/ext-2.0',
61             $prefix.'include/javascript/tiny_mce'   => 'include/javascript/tiny_mce',
62             $prefix.'modules/Emails'                => 'modules/Emails',
63             $prefix.'jssource'                      => 'jssource',
64             $prefix.'modules/ModuleBuilder'                     => 'modules/ModuleBuilder',
65         );
66         
67         return $compress_exempt_files;
68         
69 }    
70
71
72
73     /**ConcatenateFiles($from_path)
74      * 
75      * This method takes in a string value of the root directory to begin processing  
76      * it uses the predefined array of groupings to create a concatenated file for each grouping
77      * and places the concatenated file in root directory
78      * @from_path root directory where processing should take place
79      */
80     function ConcatenateFiles($from_path){
81
82         $js_groupings = array();
83         if(isset($_REQUEST['root_directory'])){
84             require('jssource/JSGroupings.php');
85         }else{
86             require('JSGroupings.php');
87         }
88         //get array with file sources to concatenate
89         $file_groups = $js_groupings;//from JSGroupings.php;
90         $files_opened = array();
91         $currPerm = '';
92
93         //for each item in array, concatenate the source files
94         foreach($file_groups as $fg){
95
96             //process each group array
97             foreach($fg as $loc=>$trgt){
98                 $relpath = $loc;
99                 $loc = $from_path.'/'.$loc;
100                 $trgt = $from_path.'/'.$trgt;
101                                 
102                 //check to see that source file exists, that it is a file, and is readable
103                 if(file_exists($loc) && is_file($loc)  && is_readable($loc)){
104                     $currPerm = fileperms($loc);
105                     //check to see if target exists, if it does then open file
106                     if(file_exists($trgt)){
107                         if(in_array($trgt, $files_opened)){
108                             //open target file
109                             if(function_exists('sugar_fopen')){
110                                 $trgt_handle = sugar_fopen($trgt, 'a');
111                             }else{
112                                 $trgt_handle = fopen($trgt, 'a');
113                             }
114                         }else{
115                             //open target file
116                             if(function_exists('sugar_fopen')){
117                                 $trgt_handle = sugar_fopen($trgt, 'w');
118                             }else{
119                                 $trgt_handle = fopen($trgt, 'w');
120                             }    
121                         }                    
122                         
123                     }else{
124                         //create and open target file
125                         if(function_exists('sugar_fopen')){
126                                 $trgt_handle = @sugar_fopen($trgt, 'w');
127                         }else{
128                             $trgt_handle = @fopen($trgt, 'w');
129                         }
130                         
131                         // todo: make this failure more friendly.  Ideally, it will display a
132                         //       warning to admin users and revert back to displaying all of the
133                         //       Javascript files insted of displaying the minified versions.
134                         if ($trgt_handle === false) {
135                             $target_directory = dirname($trgt);
136                             $base_name = realpath(dirname(__FILE__) . '/..') . '/';
137                             $target_directory = substr($target_directory, strlen($base_name));
138                             sugar_die("please make sure {$target_directory} is writable\n");
139                         }
140                    
141                 }
142                 $files_opened[] = $trgt;
143                 
144                 //make sure we have handles to both source and target file
145                 if ($trgt_handle) {
146                         $buffer = file_get_contents($loc);
147                         $buffer .= "// End of File $relpath
148                                 
149 ";
150                         $num = fwrite($trgt_handle, $buffer);
151                         
152                         if( $num=== false){
153                          //log error, file did not get appended   
154                          echo "Error while concatenating file $loc to target file $trgt \n";
155                         }
156                     //close file opened.
157                     fclose($trgt_handle);
158                     }
159         
160                 }
161             }
162
163             //set permissions on this file
164             if(!empty($currPerm) && $currPerm !== false){
165                 //if we can retrieve permissions from target files, use same 
166                 //permission on concatenated file
167                 if(function_exists('sugar_chmod')){ 
168                     @sugar_chmod($trgt, $currPerm);
169                 }else{
170                     @chmod($trgt, $currPerm);   
171                 }
172             }else{
173                 //no permissions could be retrieved, so set to 777
174                 if(function_exists('sugar_chmod')){
175                     @sugar_chmod($trgt, 0777);
176                 }else{
177                     @chmod($trgt, 0777);   
178                 }
179             }   
180         }
181     
182     }
183
184     function create_backup_folder($bu_path){
185         $bu_path = str_replace('\\', '/', $bu_path);
186         //get path after root
187         $jpos = strpos($bu_path,'jssource');
188         if($jpos===false){
189             $process_path = $bu_path;
190         }else{
191             $process_path = substr($bu_path, $jpos);
192             $prefix_process_path = substr($bu_path, 0, $jpos-1);         
193         }
194         //get rest of directories into array
195         $bu_dir_arr = explode('/', $process_path);
196         
197         //iterate through each directory and create if needed    
198         
199         foreach($bu_dir_arr as $bu_dir){        
200             if(!file_exists($prefix_process_path.'/'.$bu_dir)){
201                 if(function_exists('sugar_mkdir')){
202                     sugar_mkdir($prefix_process_path.'/'.$bu_dir);
203                 }else{
204                     mkdir($prefix_process_path.'/'.$bu_dir);
205                 }
206             }
207             $prefix_process_path = $prefix_process_path.'/'.$bu_dir;
208         }
209         
210     }
211     
212     
213     
214     
215     /**CompressFiles
216      * This method will call jsmin libraries to minify passed in files
217      * This method takes in 2 string values of the files to process  
218      * Processing will back up javascript files and then minify the original javascript.
219      * Back up javascript files will have an added .src extension 
220      * @from_path file name and path to be processed
221      * @to_path file name and path to be  used to place newly compressed contents
222      */
223     function CompressFiles($from_path,$to_path){
224     if(!defined('JSMIN_AS_LIB')){
225         define('JSMIN_AS_LIB', true);
226     }
227     //assumes jsmin.php is in same directory
228     if(isset($_REQUEST['root_directory']) || defined('INSTANCE_PATH')){
229         require_once('jssource/jsmin.php');
230     }else{
231         require_once('jsmin.php');
232     }    
233     $nl='
234  ';     
235
236         //check to make sure from path and to path are not empty
237         if(isset($from_path) && !empty($from_path)&&isset($to_path) && !empty($to_path)){
238             $lic_str = '';
239             $ReadNextLine = true;
240             // Output a minified version of example.js.
241             if(file_exists($from_path) && is_file($from_path)){
242                 //read in license script
243                 if(function_exists('sugar_fopen')){
244                     $file_handle = sugar_fopen($from_path, 'r');
245                 }else{
246                     $file_handle = fopen($from_path, 'r');
247                 }
248                 if($file_handle){
249                     $beg = false;
250                     
251                     //Read the file until you hit a line with code.  This is meant to retrieve
252                     //the initial license string found in the beginning comments of js code.
253                     while (!feof($file_handle) && $ReadNextLine) {
254                         $newLine = fgets($file_handle, 4096);
255                         $newLine = trim($newLine);
256                         //See if line contains open or closing comments
257                         
258                         //if opening comments are found, set $beg to true 
259                         if(strpos($newLine, '/*')!== false){
260                             $beg = true;
261                         }
262                         
263                         //if closing comments are found, set $beg to false
264                         if(strpos($newLine, '*/')!== false){
265                             $beg = false;
266                         }
267
268                         //if line is not empty (has code) set the boolean to false
269                         if(! empty($newLine)){$ReadNextLine = false;}
270                         //If we are in a comment block, then set boolean back to true 
271                         if($beg){
272                             $ReadNextLine = true;
273                             //add new line to license string
274                             $lic_str .=trim($newLine).$nl;
275                         }else{
276                             //if we are here it means that uncommented and non blank line has been reached
277                             //Check to see that ReadNextLine is true, if so then add the last line collected
278                             //make sure the last line is either the end to a comment block, or starts with '//'
279                             //else do not add as it is live code.
280                             if(!empty($newLine) && ((strpos($newLine, '*/')!== false) || ($newLine{0}.$newLine{1}== '//'))){
281                                 //add new line to license string
282                                 $lic_str .=$newLine;
283                             }                            
284                             //set to false because $beg is false, which means the comment block has ended
285                             $ReadNextLine = false;
286                             
287                         }
288                     }
289                     
290                 }                    
291                 if($file_handle){
292                     fclose($file_handle);   
293                 }            
294                 
295                 //place license string into array for use with jsmin file.
296                 //this will preserve the license in the file
297                 $lic_arr = array($lic_str);
298
299                 //minify javascript
300                 //$jMin = new JSMin($from_path,$to_path,$lic_arr);
301                 $out = $lic_str . JSMin::minify(file_get_contents($from_path));
302                                 
303                 if(function_exists('sugar_fopen') && $fh = @sugar_fopen( $to_path, 'w' ) )
304                             {
305                                 fputs( $fh, $out);
306                                 fclose( $fh );
307                                 } else {
308                                     file_put_contents($to_path, $out);
309                                 }
310
311             }else{
312                  //log failure
313                  echo"<B> COULD NOT COMPRESS $from_path, it is not a file \n";   
314             }
315             
316         }else{
317          //log failure
318          echo"<B> COULD NOT COMPRESS $from_path, missing variables \n";   
319         }
320     }
321
322     function reverseScripts($from_path,$to_path=''){
323             $from_path = str_replace('\\', '/', $from_path);
324             if(empty($to_path)){
325                 $to_path = $from_path;
326             }
327             $to_path = str_replace('\\', '/', $to_path);
328
329             //check to see if provided paths are legit
330
331             if (!file_exists("$from_path"))
332             {
333                 //log error
334                 echo "JS Source directory at $from_path Does Not Exist<p>\n";
335                 return;
336             }
337
338             //get correct path for backup
339             $bu_path = $to_path;
340             $bu_path .= substr($from_path, strlen($to_path.'/jssource/src_files'));
341
342             //if this is a directory, then read it and process files
343             if(is_dir("$from_path")){     
344                 //grab file / directory and read it.
345                 $handle = opendir("$from_path");
346                 //loop over the directory and go into each child directory
347                 while (false !== ($dir = readdir($handle))) {
348
349                   //make sure you go into directory tree and not out of tree
350                   if($dir!= '.' && $dir!= '..'){
351                     //make recursive call to process this directory
352                     reverseScripts($from_path.'/'.$dir, $to_path );
353                   }  
354                 }
355             }
356
357             //if this is not a directory, then 
358             //check if this is a javascript file, then process
359             $path_parts = pathinfo($from_path);
360             if(is_file("$from_path") && isset($path_parts['extension']) && $path_parts['extension'] =='js'){
361
362                     //create backup directory if needed
363                     $bu_dir = dirname($bu_path);
364
365                     if(!file_exists($bu_dir)){
366                         //directory does not exist, log it and return
367                         echo" directory $bu_dir does not exist, could not restore $bu_path";
368                         return;
369                     }
370
371                     //delete backup src file if it exists already
372                     if(file_exists($bu_path)){
373                         unlink($bu_path);
374                     }
375                       copy($from_path, $bu_path);
376                 }                
377         
378         
379     }
380     
381     /**BackUpAndCompressScriptFiles
382      * 
383      * This method takes in a string value of the root directory to begin processing  
384      * it will process and iterate through all files and subdirectories 
385      * under the passed in directory, ignoring directories and files from the predefined exclude array.  
386      * Processing includes calling a method that will minify the javascript children files
387      * @from_path root directory where processing should take place
388      * @to_path root directory where processing should take place, this gets filled in dynamically
389      */
390     function BackUpAndCompressScriptFiles($from_path,$to_path = '', $backup = true){
391
392             //check to see if provided paths are legit
393             if (!file_exists("$from_path"))
394             {
395                 //log error
396                 echo "The from directory, $from_path Does Not Exist<p>\n";
397                 return;
398             }else{
399                 $from_path = str_replace('\\', '/', $from_path);   
400             }        
401             
402             if(empty($to_path)){
403                 $to_path = $from_path;
404             }elseif (!file_exists("$to_path"))
405             {
406                 //log error
407                 echo "The to directory, $to_path Does Not Exist<p>\n";
408                 return;
409             }        
410             
411             //now grab list of files to exclude from minifying            
412             $exclude_files = get_exclude_files($to_path);
413             
414             //process only if file/directory is not in exclude list 
415             if(!isset($exclude_files[$from_path])){
416
417             //get correct path for backup
418             $bu_path = $to_path.'/jssource/src_files';
419             $bu_path .= substr($from_path, strlen($to_path));
420             
421                     //if this is a directory, then read it and process files
422                     if(is_dir("$from_path")){     
423                         //grab file / directory and read it.
424                         $handle = opendir("$from_path");
425                         //loop over the directory and go into each child directory
426                         while (false !== ($dir = readdir($handle))) {
427
428                           //make sure you go into directory tree and not out of tree
429                           if($dir!= '.' && $dir!= '..'){
430                             //make recursive call to process this directory
431                             BackUpAndCompressScriptFiles($from_path.'/'.$dir, $to_path,$backup);
432                           }  
433                         }
434                     }
435     
436         
437                     //if this is not a directory, then 
438                     //check if this is a javascript file, then process
439                     $path_parts = pathinfo($from_path);
440                     if(is_file("$from_path") && isset($path_parts['extension']) && $path_parts['extension'] =='js'){
441
442                         if($backup){
443                             $bu_dir = dirname($bu_path);
444                             if(!file_exists($bu_dir)){
445                                 create_backup_folder($bu_dir);
446                             }
447                     
448                             //delete backup src file if it exists already
449                             if(file_exists($bu_path)){
450                                 unlink($bu_path);
451                             }
452                             //copy original file into a source file
453                               rename($from_path, $bu_path);
454                         }else{
455                             //no need to backup, but remove file that is about to be copied
456                             //if it exists in both backed up scripts and working directory
457                             if(file_exists($from_path) && file_exists($bu_path)){unlink($from_path);}   
458                         }
459                                                     
460                         //now make call to minify and overwrite the original file.
461                         CompressFiles($bu_path, $from_path);
462                                        
463                     }                
464                 }        
465             
466         }