Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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asset.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\template;
015
016 class asset
017 {
018 protected $components = array();
019
020 /** @var \phpbb\path_helper **/
021 protected $path_helper;
022
023 /** @var \phpbb\filesystem\filesystem */
024 protected $filesystem;
025
026 /**
027 * Constructor
028 *
029 * @param string $url URL
030 * @param \phpbb\path_helper $path_helper Path helper object
031 * @param \phpbb\filesystem\filesystem $filesystem
032 */
033 public function __construct($url, \phpbb\path_helper $path_helper, \phpbb\filesystem\filesystem $filesystem)
034 {
035 $this->path_helper = $path_helper;
036 $this->filesystem = $filesystem;
037
038 $this->set_url($url);
039 }
040
041 /**
042 * Set URL
043 *
044 * @param string $url URL
045 */
046 public function set_url($url)
047 {
048 if (version_compare(PHP_VERSION, '5.4.7') < 0 && substr($url, 0, 2) === '//')
049 {
050 // Workaround for PHP 5.4.6 and older bug #62844 - add fake scheme and then remove it
051 $this->components = parse_url('http:' . $url);
052 $this->components['scheme'] = '';
053 return;
054 }
055 $this->components = parse_url($url);
056 }
057
058 /**
059 * Convert URL components into string
060 *
061 * @param array $components URL components
062 * @return string URL
063 */
064 protected function join_url($components)
065 {
066 $path = '';
067 if (isset($components['scheme']))
068 {
069 $path = $components['scheme'] === '' ? '//' : $components['scheme'] . '://';
070 }
071
072 if (isset($components['user']) || isset($components['pass']))
073 {
074 if ($path === '' && !isset($components['port']))
075 {
076 $path = '//';
077 }
078 $path .= $components['user'];
079 if (isset($components['pass']))
080 {
081 $path .= ':' . $components['pass'];
082 }
083 $path .= '@';
084 }
085
086 if (isset($components['host']))
087 {
088 if ($path === '' && !isset($components['port']))
089 {
090 $path = '//';
091 }
092 $path .= $components['host'];
093 if (isset($components['port']))
094 {
095 $path .= ':' . $components['port'];
096 }
097 }
098
099 if (isset($components['path']))
100 {
101 $path .= $components['path'];
102 }
103
104 if (isset($components['query']))
105 {
106 $path .= '?' . $components['query'];
107 }
108
109 if (isset($components['fragment']))
110 {
111 $path .= '#' . $components['fragment'];
112 }
113
114 return $path;
115 }
116
117 /**
118 * Get URL
119 *
120 * @return string URL
121 */
122 public function get_url()
123 {
124 return $this->path_helper->update_web_root_path($this->join_url($this->components));
125 }
126
127 /**
128 * Checks if URL is local and relative
129 *
130 * @return boolean True if URL is local and relative
131 */
132 public function is_relative()
133 {
134 if (empty($this->components) || !isset($this->components['path']))
135 {
136 // Invalid URL
137 return false;
138 }
139 return !isset($this->components['scheme']) && !isset($this->components['host']) && substr($this->components['path'], 0, 1) !== '/';
140 }
141
142 /**
143 * Get path component of current URL
144 *
145 * @return string Path
146 */
147 public function get_path()
148 {
149 return isset($this->components['path']) ? $this->components['path'] : '';
150 }
151
152 /**
153 * Set path component
154 *
155 * @param string $path Path component
156 * @param boolean $urlencode If true, parts of path should be encoded with rawurlencode()
157 */
158 public function set_path($path, $urlencode = false)
159 {
160 // Since 1.7.0 Twig returns the real path of the file. We need it to be relative.
161 $real_root_path = $this->filesystem->realpath($this->path_helper->get_phpbb_root_path()) . DIRECTORY_SEPARATOR;
162
163 // If the asset is under the phpBB root path we need to remove its path and then prepend $phpbb_root_path
164 if ($real_root_path && substr($path . DIRECTORY_SEPARATOR, 0, strlen($real_root_path)) === $real_root_path)
165 {
166 $path = $this->path_helper->get_phpbb_root_path() . str_replace('\\', '/', substr($path, strlen($real_root_path)));
167 }
168 else
169 {
170 // Else we make the path relative to the current working directory
171 $real_root_path = $this->filesystem->realpath('.') . DIRECTORY_SEPARATOR;
172 if ($real_root_path && substr($path . DIRECTORY_SEPARATOR, 0, strlen($real_root_path)) === $real_root_path)
173 {
174 $path = str_replace('\\', '/', substr($path, strlen($real_root_path)));
175 }
176 }
177
178 if ($urlencode)
179 {
180 $paths = explode('/', $path);
181 foreach ($paths as &$dir)
182 {
183 $dir = rawurlencode($dir);
184 }
185 $path = implode('/', $paths);
186 }
187
188 $this->components['path'] = $path;
189 }
190
191 /**
192 * Add assets_version parameter to URL.
193 * Parameter will not be added if assets_version already exists in URL
194 *
195 * @param string $version Version
196 */
197 public function add_assets_version($version)
198 {
199 if (!isset($this->components['query']))
200 {
201 $this->components['query'] = 'assets_version=' . $version;
202 return;
203 }
204 $query = $this->components['query'];
205 if (!preg_match('/(^|[&;])assets_version=/', $query))
206 {
207 $this->components['query'] = $query . '&assets_version=' . $version;
208 }
209 }
210 }
211