1 <?php
 2 /**
 3  * Implementation of .tar, .tar.gz, and .tar.bz2 archive handler.
 4  * @package sapphire
 5  * @subpackage filesystem
 6  */
 7 class TarballArchive extends Archive {
 8     private $filename = '';
 9     private $compressionModifiers = '';
10     
11 
12     function __construct($filename) {
13         $this->filename = $filename;
14         
15         if(substr($filename, strlen($filename) - strlen('.gz')) == '.gz' ||
16             substr($filename, strlen($filename) - strlen('.tgz')) == '.tgz') {
17             $this->compressionModifiers = 'z';  
18         } else if(substr($filename, strlen($filename) - strlen('.bz2')) == '.bz2') {
19             $compressionModifiers = 'j';
20         }
21     }
22     
23     function listing() {
24         // Call tar on the command line to get the info we need
25         $base = BASE_PATH;
26         $command = "tar -tv{$this->compressionModifiers}f $base/$this->filename";
27         $consoleList = `$command`;
28         
29         $listing = array();
30         // Seperate into an array of lines
31         $listItems = explode("\n", $consoleList);
32         
33         foreach($listItems as $listItem) {
34             // The path is the last thing on the line
35             $fullpath = substr($listItem, strrpos($listItem, ' ') + 1);
36             $path = explode('/', $fullpath);
37             $item = array();
38             
39             // The first part of the line is the permissions - the first character will be d if it is a directory
40             $item['type'] = (substr($listItem, 0, 1) == 'd') ? 'directory' : 'file';
41             if($item['type'] == 'directory') {
42                 $item['listing'] = array();
43                 // If it's a directory, the path will have a slash on the end, so get rid of it.
44                 array_pop($path);
45             }
46             
47             // The name of the file/directory is the last item on the path
48             $name = array_pop($path);
49             if($name == '') {
50                 continue;
51             }
52             
53             $item['path'] = implode('/', $path);
54             
55             // Put the item in the right place
56             $dest = &$listing;
57             foreach($path as $folder) {
58                 // If the directory doesn't exist, create it
59                 if(!isset($dest[$folder])) {
60                     $dest[$folder] = array();
61                     $dest[$folder]['listing'] = array();
62                     $dest[$folder]['type'] = 'directory';
63                 }
64                 $dest = &$dest[$folder]['listing'];
65             }
66             
67             // If this is a directory and it's listing has already been created, copy the the listing
68             if($item['type'] == 'directory' && isset($dest[$name]['listing'])) {
69                 $item['listing'] = $dest[$name]['listing'];
70             }
71             $dest[$name] = $item;
72         }
73         
74         
75         return $listing;
76     }
77     
78     function extractTo($destination, $entires = null) {
79         if(!isset($entries)) {
80             $command = "tar -xv{$this->compressionModifiers}f ".Director::baseFolder()."/$this->filename --directory $destination";
81             $output = `$command`;
82         }
83     }
84     
85 }
86 
87 ?>