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backupbuddy v4.2.10.6
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File: filesystem.php
<?php /* class pluginbuddy_filesystem * @author Dustin Bolton * * Handles interfacing with the file system. */ class pb_backupbuddy_filesystem { // ********** PUBLIC PROPERTIES ********** // ********** PRIVATE PROPERTIES ********** // ********** FUNCTIONS ********** /* pluginbuddy_filesystem->__construct() * * Default constructor. * * @return null */ function __construct() { } // End __construct(). /* pb_backupbuddy::$filesystem->mkdir() * * mkdir that defaults to recursive behaviour. 99% of the time this is what we want. * * @param $pathname string Path to create. * @param $mode int Default: 0777. See PHP's mkdir() function for details. * @param $recursive boolean Default: true. See PHP's mkdir() function for details. * @return boolean Returns TRUE on success or FALSE on failure. */ public static function mkdir( $pathname, $mode = 0777, $recursive = true) { return @mkdir( $pathname, $mode, $recursive ); } // End mkdir(). /* pluginbuddy_filesystem->unlink_recursive() * * Unlink a directory recursively. Files all files and directories within. USE WITH CAUTION. * * @param string $dir Directory to delete -- all contents within, subdirectories, files, etc will be permanently deleted. * @return boolean True on success; else false. */ function unlink_recursive( $dir ) { if ( defined( 'PB_DEMO_MODE' ) ) { return false; } if ( !file_exists( $dir ) ) { return true; } if ( !is_dir( $dir ) || is_link( $dir ) ) { return unlink($dir); } foreach ( scandir( $dir ) as $item ) { if ( $item == '.' || $item == '..' ) { continue; } if ( !$this->unlink_recursive( $dir . "/" . $item ) ) { @chmod( $dir . "/" . $item, 0777 ); if ( !$this->unlink_recursive( $dir . "/" . $item ) ) { return false; } } } return @rmdir($dir); } // End unlink_recursive(). /** * pluginbuddy_filesystem->deepglob() * * Like the glob() function except walks down into paths to create a full listing of all results in the directory and all subdirectories. * This is essentially a recursive glob() although it does not use recursion to perform this. * * @param string $dir Path to pass to glob and walk through. * @return array Returns array of all matches found. */ function deepglob( $dir ) { $items = glob( $dir . '/*' ); for ( $i = 0; $i < count( $items ); $i++ ) { if ( is_dir( $items[$i] ) ) { $add = glob( $items[$i] . '/*' ); $items = array_merge( $items, $add ); } } return $items; } // End deepglob(). function recursive_copy( $src, $dst ) { //pb_backupbuddy::status( 'details', 'Copying `' . $src . '` to `' . $dst . '`.' ); if ( is_dir( $src ) ) { pb_backupbuddy::status( 'details', 'Copying directory `' . $src . '` to `' . $dst . '` recursively.' ); @$this->mkdir( $dst, 0777 ); $files = scandir($src); foreach ( $files as $file ) { if ($file != "." && $file != "..") { $this->recursive_copy("$src/$file", "$dst/$file"); } } } elseif ( file_exists( $src ) ) { @copy( $src, $dst ); // Todo: should this need suppression? Media copying was throwing $dst is directory errors. } } // RH added; from Chris? /* public function custom_copy( $source, $destination, $args = array() ) { $default_args = array( 'max_depth' => 100, 'folder_mode' => 0755, 'file_mode' => 0744, 'ignore_files' => array(), ); $args = array_merge( $default_args, $args ); return $this->_custom_copy( $source, $destination, $args ); } // End custom_copy(). private function _custom_copy( $source, $destination, $args, $depth = 0 ) { if ( $depth > $args['max_depth'] ) return true; if ( in_array( basename( $source ), $args[ 'ignore_files' ] ) ) return true; if ( is_file( $source ) ) { if ( is_dir( $destination ) || preg_match( '|/$|', $destination ) ) { $destination = preg_replace( '|/+$|', '', $destination ); $destination = "$destination/" . basename( $source ); } if ( false === $this->mkdir( dirname( $destination ), $args['folder_mode'] ) ) return false; if ( false === @copy( $source, $destination ) ) return false; @chmod( $destination, $args['file_mode'] ); return true; } else if ( is_dir( $source ) || preg_match( '|/\*$|', $source ) ) { if ( preg_match( '|/\*$|', $source ) ) $source = preg_replace( '|/\*$|', '', $source ); else if ( preg_match( '|/$|', $destination ) ) $destination = $destination . basename( $source ); $destination = preg_replace( '|/$|', '', $destination ); $files = array_diff( array_merge( glob( $source . '/.*' ), glob( $source . '/*' ) ), array( $source . '/.', $source . '/..' ) ); if ( false === @mkdir( $destination ) ) return false; $result = true; foreach ( (array) $files as $file ) { if ( false === $this->_custom_copy( $file, "$destination/", $args, $depth + 1 ) ) $result = false; } return $result; } return false; } // End _copy(). */ // todo: document // $exclusions is never modified so just use PHP's copy on modify default behaviour for memory management. /* function_name() * * function description * @param array/bool Array of directory paths to exclude. If true then this directory is excluded so no need to check with exclusion directory. * @return array array( TOTAL_DIRECTORY_SIZE, TOTAL_SIZE_WITH_EXCLUSIONS_TAKEN_INTO_ACCOUNT, OBJECTS_FOUND, OBJECTS_FOUND_WITH_EXCLUSIONS ) */ function dir_size_map( $dir, $base, $exclusions, &$dir_array ) { $dir = rtrim( $dir, '/\\' ); // Force no trailing slash. if( !is_dir( $dir ) ) { return 0; } $ret = 0; $ret_with_exclusions = 0; $ret_objects = 0; $ret_objects_with_exclusions = 0; $exclusions_result = $exclusions; $sub = @opendir( $dir ); if ( false === $sub ) { // Cannot access. pb_backupbuddy::alert( 'Error #568385: Unable to access directory: `' . $dir . '`. Verify proper permissions.', true ); return 0; } else { while( $file = readdir( $sub ) ) { $exclusions_result = $exclusions; $dir_path = '/' . str_replace( $base, '', $dir . '/' . $file ); //str_replace( $base, '', $dir . $file . '/' ); if ( ( $file == '.' ) || ( $file == '..' ) ) { // Do nothing. } elseif ( is_dir( $dir . '/' . $file ) ) { // DIRECTORY. if ( ( $exclusions === true ) || self::in_array_substr( $exclusions, $dir_path, '/' ) ) { $exclusions_result = true; } $result = $this->dir_size_map( $dir . '/' . $file . '/', $base, $exclusions, $dir_array ); $this_size = $result[0]; $this_objects = $result[2]; if ( $exclusions_result === true ) { // If excluding then wipe excluded value. $this_size_with_exclusions = false; $this_objects_with_exclusions = 0; } else { $this_size_with_exclusions = $result[1]; // / 1048576 ); $this_objects_with_exclusions = $result[3]; // / 1048576 ); } $dir_array[ $dir_path ] = array( $this_size, $this_size_with_exclusions, $this_objects, $this_objects_with_exclusions ); // $dir_array[ DIRECTORY_PATH ] = DIRECTORY_SIZE; $ret += $this_size; $ret_objects += $this_objects; $ret_with_exclusions += $this_size_with_exclusions; $ret_objects_with_exclusions += $this_objects_with_exclusions; unset( $file ); } else { // FILE. $stats = @stat( $dir . '/' . $file ); if ( is_array( $stats ) ) { $ret += $stats['size']; $ret_objects++; if ( ( $exclusions !== true ) && !in_array( $dir_path, $exclusions ) ) { // Not excluding. $ret_with_exclusions += $stats['size']; $ret_objects_with_exclusions++; } } unset( $file ); } } closedir( $sub ); unset( $sub ); return array( $ret, $ret_with_exclusions, $ret_objects, $ret_objects_with_exclusions ); } } // End dir_size_map(). public static function in_array_substr( $haystack, $needle, $trailing = '' ) { foreach( $haystack as $hay ) { if ( ( $hay . $trailing ) == substr( $needle . $trailing, 0, strlen( $hay . $trailing ) ) ) { //echo $needle . '~' . $hay . '<br>'; return true; } } return false; } public function exit_code_lookup( $code ) { switch( (string)$code ) { case '0': return 'Command completed & returned normally.'; break; case '127': return 'Command not found.'; break; case '152': return 'SIGXCPU 152; CPU time limit exceeded.'; break; case '153': return 'SIGXFSZ 153; File size limit exceeded. Verify enough free space exists & filesystem max size not exceeded.'; break; case '158': return 'SIGXCPU 158; CPU time limit exceeded.'; break; case '159': return 'SIGXFSZ 159; File size limit exceeded. Verify enough free space exists & filesystem max size not exceeded.'; break; default: return '-No information available for this exit code- See: https://wiki.ncsa.illinois.edu/display/MRDPUB/Batch+Exit+Codes '; break; } } // Newest to oldest. function glob_by_date( $pattern ) { $file_array = array(); $glob_result = glob( $pattern ); if ( ! is_array( $glob_result ) ) { $glob_result = array(); } foreach ( $glob_result as $filename ) { $ctime = filectime( $filename ); while( isset( $file_array[$ctime] ) ) { // Avoid collisions. $ctime = $ctime + 0.1; } $file_array[$ctime] = $filename; // or just $filename } krsort( $file_array ); return $file_array; } // End glob_by_date(). } // End class pluginbuddy_settings. ?>