author | hurons@caf4f556-3d62-0410-8435-a86758001935 |
Tue, 02 Feb 2010 15:44:16 +0000 | |
branch | wordpress |
changeset 132 | 4d4862461b8d |
parent 109 | 03b0d1493584 |
permissions | -rw-r--r-- |
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<?php |
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/** |
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* Base WordPress Filesystem. |
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* |
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* @package WordPress |
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* @subpackage Filesystem |
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*/ |
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/** |
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* Base WordPress Filesystem class for which Filesystem implementations extend |
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* |
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* @since 2.5 |
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*/ |
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class WP_Filesystem_Base { |
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/** |
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* Whether to display debug data for the connection or not. |
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* |
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* @since 2.5 |
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* @access public |
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* @var bool |
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*/ |
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var $verbose = false; |
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/** |
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* Cached list of local filepaths to maped remote filepaths. |
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* |
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* @since 2.7 |
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* @access private |
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* @var array |
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*/ |
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var $cache = array(); |
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/** |
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* The Access method of the current connection, Set automatically. |
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* |
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* @since 2.5 |
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* @access public |
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* @var string |
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*/ |
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var $method = ''; |
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/** |
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* Returns the path on the remote filesystem of ABSPATH |
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* |
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* @since 2.7 |
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* @access public |
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* @return string The location of the remote path. |
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*/ |
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function abspath() { |
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$folder = $this->find_folder(ABSPATH); |
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//Perhaps the FTP folder is rooted at the WordPress install, Check for wp-includes folder in root, Could have some false positives, but rare. |
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if ( ! $folder && $this->is_dir('/wp-includes') ) |
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$folder = '/'; |
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return $folder; |
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} |
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/** |
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* Returns the path on the remote filesystem of WP_CONTENT_DIR |
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* |
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* @since 2.7 |
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* @access public |
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* @return string The location of the remote path. |
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*/ |
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function wp_content_dir() { |
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return $this->find_folder(WP_CONTENT_DIR); |
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} |
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/** |
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* Returns the path on the remote filesystem of WP_PLUGIN_DIR |
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* |
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* @since 2.7 |
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* @access public |
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* |
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* @return string The location of the remote path. |
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*/ |
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function wp_plugins_dir() { |
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return $this->find_folder(WP_PLUGIN_DIR); |
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} |
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/** |
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* Returns the path on the remote filesystem of the Themes Directory |
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* |
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* @since 2.7 |
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* @access public |
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* |
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* @return string The location of the remote path. |
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*/ |
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function wp_themes_dir() { |
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return $this->wp_content_dir() . '/themes'; |
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} |
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/** |
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* Locates a folder on the remote filesystem. |
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* |
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* Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead. |
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* |
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* @since 2.5 |
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* @deprecated 2.7 |
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* @access public |
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* |
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* @param string $base The folder to start searching from |
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* @param bool $echo True to display debug information |
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* @return string The location of the remote path. |
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*/ |
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function find_base_dir($base = '.', $echo = false) { |
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_deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' ); |
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$this->verbose = $echo; |
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return $this->abspath(); |
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} |
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/** |
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* Locates a folder on the remote filesystem. |
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* |
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* Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead. |
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* |
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* @since 2.5 |
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* @deprecated 2.7 |
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* @access public |
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* |
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* @param string $base The folder to start searching from |
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* @param bool $echo True to display debug information |
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* @return string The location of the remote path. |
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*/ |
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function get_base_dir($base = '.', $echo = false) { |
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_deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' ); |
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$this->verbose = $echo; |
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return $this->abspath(); |
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} |
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/** |
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* Locates a folder on the remote filesystem. |
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* |
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* Assumes that on Windows systems, Stripping off the Drive letter is OK |
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* Sanitizes \\ to / in windows filepaths. |
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* |
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* @since 2.7 |
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* @access public |
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* |
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* @param string $folder the folder to locate |
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* @return string The location of the remote path. |
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*/ |
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function find_folder($folder) { |
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|
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if ( strpos($this->method, 'ftp') !== false ) { |
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$constant_overrides = array( 'FTP_BASE' => ABSPATH, 'FTP_CONTENT_DIR' => WP_CONTENT_DIR, 'FTP_PLUGIN_DIR' => WP_PLUGIN_DIR ); |
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foreach ( $constant_overrides as $constant => $dir ) |
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if ( defined($constant) && $folder === $dir ) |
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return trailingslashit(constant($constant)); |
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} elseif ( 'direct' == $this->method ) { |
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return trailingslashit($folder); |
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} |
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|
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$folder = preg_replace('|^([a-z]{1}):|i', '', $folder); //Strip out windows driveletter if its there. |
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$folder = str_replace('\\', '/', $folder); //Windows path sanitiation |
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|
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if ( isset($this->cache[ $folder ] ) ) |
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return $this->cache[ $folder ]; |
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|
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if ( $this->exists($folder) ) { //Folder exists at that absolute path. |
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$folder = trailingslashit($folder); |
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$this->cache[ $folder ] = $folder; |
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return $folder; |
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} |
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if( $return = $this->search_for_folder($folder) ) |
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$this->cache[ $folder ] = $return; |
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return $return; |
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} |
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|
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/** |
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* Locates a folder on the remote filesystem. |
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* |
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* Expects Windows sanitized path |
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* |
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* @since 2.7 |
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* @access private |
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* |
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* @param string $folder the folder to locate |
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* @param string $base the folder to start searching from |
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* @param bool $loop if the function has recursed, Internal use only |
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* @return string The location of the remote path. |
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*/ |
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function search_for_folder($folder, $base = '.', $loop = false ) { |
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if ( empty( $base ) || '.' == $base ) |
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$base = trailingslashit($this->cwd()); |
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|
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$folder = untrailingslashit($folder); |
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|
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$folder_parts = explode('/', $folder); |
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$last_path = $folder_parts[ count($folder_parts) - 1 ]; |
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|
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$files = $this->dirlist( $base ); |
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|
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foreach ( $folder_parts as $key ) { |
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if ( $key == $last_path ) |
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continue; //We want this to be caught by the next code block. |
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|
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//Working from /home/ to /user/ to /wordpress/ see if that file exists within the current folder, |
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// If its found, change into it and follow through looking for it. |
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// If it cant find WordPress down that route, it'll continue onto the next folder level, and see if that matches, and so on. |
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// If it reaches the end, and still cant find it, it'll return false for the entire function. |
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if ( isset($files[ $key ]) ){ |
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//Lets try that folder: |
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$newdir = trailingslashit(path_join($base, $key)); |
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if ( $this->verbose ) |
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printf( __('Changing to %s') . '<br/>', $newdir ); |
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if ( $ret = $this->search_for_folder( $folder, $newdir, $loop) ) |
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return $ret; |
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} |
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} |
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|
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//Only check this as a last resort, to prevent locating the incorrect install. All above proceeedures will fail quickly if this is the right branch to take. |
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if (isset( $files[ $last_path ] ) ) { |
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if ( $this->verbose ) |
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printf( __('Found %s') . '<br/>', $base . $last_path ); |
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return trailingslashit($base . $last_path); |
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} |
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if ( $loop ) |
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return false; //Prevent tihs function looping again. |
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//As an extra last resort, Change back to / if the folder wasnt found. This comes into effect when the CWD is /home/user/ but WP is at /var/www/.... mainly dedicated setups. |
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return $this->search_for_folder($folder, '/', true); |
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|
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} |
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|
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/** |
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* Returns the *nix style file permissions for a file |
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* |
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* From the PHP documentation page for fileperms() |
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* |
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* @link http://docs.php.net/fileperms |
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* @since 2.5 |
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* @access public |
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* |
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* @param string $file string filename |
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* @return int octal representation of permissions |
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*/ |
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function gethchmod($file){ |
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$perms = $this->getchmod($file); |
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if (($perms & 0xC000) == 0xC000) // Socket |
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$info = 's'; |
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elseif (($perms & 0xA000) == 0xA000) // Symbolic Link |
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$info = 'l'; |
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elseif (($perms & 0x8000) == 0x8000) // Regular |
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$info = '-'; |
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elseif (($perms & 0x6000) == 0x6000) // Block special |
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$info = 'b'; |
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elseif (($perms & 0x4000) == 0x4000) // Directory |
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$info = 'd'; |
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elseif (($perms & 0x2000) == 0x2000) // Character special |
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$info = 'c'; |
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elseif (($perms & 0x1000) == 0x1000) // FIFO pipe |
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$info = 'p'; |
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else // Unknown |
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$info = 'u'; |
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|
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// Owner |
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$info .= (($perms & 0x0100) ? 'r' : '-'); |
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$info .= (($perms & 0x0080) ? 'w' : '-'); |
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$info .= (($perms & 0x0040) ? |
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(($perms & 0x0800) ? 's' : 'x' ) : |
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(($perms & 0x0800) ? 'S' : '-')); |
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|
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// Group |
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$info .= (($perms & 0x0020) ? 'r' : '-'); |
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$info .= (($perms & 0x0010) ? 'w' : '-'); |
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$info .= (($perms & 0x0008) ? |
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(($perms & 0x0400) ? 's' : 'x' ) : |
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(($perms & 0x0400) ? 'S' : '-')); |
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|
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// World |
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$info .= (($perms & 0x0004) ? 'r' : '-'); |
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$info .= (($perms & 0x0002) ? 'w' : '-'); |
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$info .= (($perms & 0x0001) ? |
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(($perms & 0x0200) ? 't' : 'x' ) : |
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(($perms & 0x0200) ? 'T' : '-')); |
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return $info; |
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} |
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|
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/** |
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* Converts *nix style file permissions to a octal number. |
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* |
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* Converts '-rw-r--r--' to 0644 |
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* From "info at rvgate dot nl"'s comment on the PHP documentation for chmod() |
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* |
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* @link http://docs.php.net/manual/en/function.chmod.php#49614 |
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* @since 2.5 |
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* @access public |
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* |
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* @param string $mode string *nix style file permission |
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* @return int octal representation |
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*/ |
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function getnumchmodfromh($mode) { |
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$realmode = ''; |
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$legal = array('', 'w', 'r', 'x', '-'); |
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$attarray = preg_split('//', $mode); |
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|
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for($i=0; $i < count($attarray); $i++) |
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if($key = array_search($attarray[$i], $legal)) |
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$realmode .= $legal[$key]; |
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|
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$mode = str_pad($realmode, 9, '-'); |
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$trans = array('-'=>'0', 'r'=>'4', 'w'=>'2', 'x'=>'1'); |
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$mode = strtr($mode,$trans); |
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|
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$newmode = ''; |
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$newmode .= $mode[0] + $mode[1] + $mode[2]; |
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$newmode .= $mode[3] + $mode[4] + $mode[5]; |
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$newmode .= $mode[6] + $mode[7] + $mode[8]; |
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return $newmode; |
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} |
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|
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/** |
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* Determines if the string provided contains binary characters. |
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* |
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* @since 2.7 |
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* @access private |
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* |
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* @param string $text String to test against |
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* @return bool true if string is binary, false otherwise |
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*/ |
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function is_binary( $text ) { |
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return (bool) preg_match('|[^\x20-\x7E]|', $text); //chr(32)..chr(127) |
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} |
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} |
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?> |