Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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compression_file_updater.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\install\helper\file_updater;
015
016 use phpbb\install\helper\update_helper;
017
018 /**
019 * File updater for generating archive with updated files
020 */
021 class compression_file_updater implements file_updater_interface
022 {
023 /**
024 * @var \compress
025 */
026 protected $compress;
027
028 /**
029 * @var update_helper
030 */
031 protected $update_helper;
032
033 /**
034 * @var string
035 */
036 protected $phpbb_root_path;
037
038 /**
039 * @var string
040 */
041 protected $php_ext;
042
043 /**
044 * Constructor
045 *
046 * @param update_helper $update_helper
047 * @param string $phpbb_root_path
048 * @param string $php_ext
049 */
050 public function __construct(update_helper $update_helper, $phpbb_root_path, $php_ext)
051 {
052 $this->compress = null;
053 $this->update_helper = $update_helper;
054 $this->phpbb_root_path = $phpbb_root_path;
055 $this->php_ext = $php_ext;
056 }
057
058 /**
059 * Set the compression method
060 *
061 * @param string $method Compression method's file extension
062 *
063 * @return string Archive's filename
064 */
065 public function init($method)
066 {
067 $this->update_helper->include_file('includes/functions_compress.' . $this->php_ext);
068
069 $archive_filename = 'update_archive_' . time() . '_' . uniqid();
070 $path = $this->phpbb_root_path . 'store/' . $archive_filename . '' . $method;
071
072 if ($method === '.zip')
073 {
074 $this->compress = new \compress_zip('w', $path);
075 }
076 else
077 {
078 $this->compress = new \compress_tar('w', $path, $method);
079 }
080
081 return $path;
082 }
083
084 /**
085 * Close archive writing process
086 */
087 public function close()
088 {
089 $this->compress->close();
090 }
091
092 /**
093 * {@inheritdoc}
094 */
095 public function delete_file($path_to_file)
096 {
097 // We do absolutely nothing here, as this function is called when a file should be
098 // removed from the filesystem, but since this is an archive generator, it clearly
099 // cannot do that.
100 }
101
102 /**
103 * {@inheritdoc}
104 */
105 public function create_new_file($path_to_file_to_create, $source, $create_from_content = false)
106 {
107 if ($create_from_content)
108 {
109 $this->compress->add_data($source, $path_to_file_to_create);
110 }
111 else
112 {
113 $this->compress->add_custom_file($source, $path_to_file_to_create);
114 }
115 }
116
117 /**
118 * {@inheritdoc}
119 */
120 public function update_file($path_to_file_to_update, $source, $create_from_content = false)
121 {
122 // Both functions are identical here
123 $this->create_new_file($path_to_file_to_update, $source, $create_from_content);
124 }
125
126 /**
127 * {@inheritdoc}
128 */
129 public function get_method_name()
130 {
131 return 'compression';
132 }
133 }
134