| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace HM\BackUpWordPress; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Perform a file backup using the PclZip PHP fallback library | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class Pclzip_File_Backup_Engine extends File_Backup_Engine { | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 10 |  |  | 	public function __construct() { | 
            
                                                                        
                            
            
                                    
            
            
                | 11 |  |  | 		parent::__construct(); | 
            
                                                                        
                            
            
                                    
            
            
                | 12 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | 	public function load_pclzip() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 		if ( ! defined( 'PCLZIP_TEMPORARY_DIR' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 			define( 'PCLZIP_TEMPORARY_DIR', trailingslashit( PATH::get_path() ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 		require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	public function backup() { | 
                            
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                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 		$this->load_pclzip(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 		if ( ! class_exists( 'PclZip' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		global $_hmbkp_exclude_string; | 
                            
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                | 33 |  |  | 		$_hmbkp_exclude_string = $this->get_excludes_regex(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 		$zip = new \PclZip( $this->get_backup_filepath() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 		$result = $zip->create( Path::get_root(), \PCLZIP_OPT_REMOVE_PATH, Path::get_root(), \PCLZIP_CB_PRE_ADD, 'HM\BackUpWordPress\hmbkp_pclzip_callback' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 		if ( 0 === $result ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 			$this->error( __CLASS__, $zip->errorInfo( true ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 		unset( $GLOBALS['_hmbkp_exclude_string'] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 		return $this->verify_backup(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 * Generate the exclude params for pclzip | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * Takes the exclude rules and formats them as regex | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	public function get_excludes_regex() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 		$wildcard  = '([\s\S]*?)'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 		$separator = '|'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 		$excludes = $this->excludes->get_excludes(); | 
                            
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                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 		foreach ( $excludes as $key => &$rule ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 			$file = $absolute = $fragment = false; | 
                            
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                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 			// Files don't end with / | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 68 |  | View Code Duplication | 			if ( ! in_array( substr( $rule, - 1 ), array( '\\', '/' ) ) ) { | 
                            
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                | 69 |  |  | 				$file = true; | 
                            
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                | 70 |  |  | 			} // If rule starts with a / then treat as absolute path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 			elseif ( in_array( substr( $rule, 0, 1 ), array( '\\', '/' ) ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 				$absolute = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 			} // Otherwise treat as dir fragment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 			else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 				$fragment = true; | 
                            
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                | 76 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 			// Strip $this->root and conform | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 			$rule = str_ireplace( Path::get_root(), '', untrailingslashit( wp_normalize_path( $rule ) ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 			// Strip the preceeding slash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 			if ( in_array( substr( $rule, 0, 1 ), array( '\\', '/' ) ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 				$rule = substr( $rule, 1 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 			$rule = str_replace( '.', '\.', $rule ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 			// Convert any existing wildcards | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 			if ( '*' !== $wildcard && false !== strpos( $rule, '*' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 				$rule = str_replace( '*', $wildcard, $rule ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 			// Add a start carrot to absolute urls for pclzip | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 			if ( $absolute ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 				$rule = '^' . $rule; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		return implode( $separator, $excludes ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | function hmbkp_pclzip_callback( $event, $file ) { | 
                            
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                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	global $_hmbkp_exclude_string; | 
                            
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                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	// Don't try to add unreadable files. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 	if ( ! is_readable( $file['filename'] ) || ! file_exists( $file['filename'] ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 	// Match everything else past the exclude list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	if ( $_hmbkp_exclude_string && preg_match( '(' . $_hmbkp_exclude_string . ')', $file['filename'] ) ) { | 
                            
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                | 114 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 119 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 120 |  |  |  | 
            
                        
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: