mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 11:28:25 +00:00
2f87992d15
umask(0) causes all files to be created with 666 permission.
After input from jrbasso and AD7six, this was found to be an
additional code to support caching using file engine.
FileEngine has since moved to SplFile since 2.x and thus umask
juggling is not required anymore.
Refs: f9f1c4df5
Cherrypicked from 2.2 branch.
568 lines
15 KiB
PHP
568 lines
15 KiB
PHP
<?php
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/**
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* Convenience class for reading, writing and appending to files.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Utility
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* @since CakePHP(tm) v 0.2.9
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('Folder', 'Utility');
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/**
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* Convenience class for reading, writing and appending to files.
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*
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* @package Cake.Utility
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*/
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class File {
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/**
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* Folder object of the File
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*
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* @var Folder
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$Folder
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*/
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public $Folder = null;
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/**
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* Filename
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*
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* @var string
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* http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$name
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*/
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public $name = null;
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/**
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* File info
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*
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* @var array
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* http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$info
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*/
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public $info = array();
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/**
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* Holds the file handler resource if the file is opened
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*
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* @var resource
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* http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$handle
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*/
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public $handle = null;
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/**
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* Enable locking for file reading and writing
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*
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* @var boolean
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* http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$lock
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*/
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public $lock = null;
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/**
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* Path property
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*
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* Current file's absolute path
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*
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* @var mixed null
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* http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::$path
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*/
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public $path = null;
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/**
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* Constructor
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*
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* @param string $path Path to file
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* @param boolean $create Create file if it does not exist (if true)
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* @param integer $mode Mode to apply to the folder holding the file
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File
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*/
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public function __construct($path, $create = false, $mode = 0755) {
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$this->Folder = new Folder(dirname($path), $create, $mode);
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if (!is_dir($path)) {
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$this->name = basename($path);
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}
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$this->pwd();
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$create && !$this->exists() && $this->safe($path) && $this->create();
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}
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/**
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* Closes the current file if it is opened
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*
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*/
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public function __destruct() {
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$this->close();
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}
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/**
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* Creates the File.
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*
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* @return boolean Success
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::create
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*/
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public function create() {
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$dir = $this->Folder->pwd();
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if (is_dir($dir) && is_writable($dir) && !$this->exists()) {
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if (touch($this->path)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Opens the current file with a given $mode
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*
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* @param string $mode A valid 'fopen' mode string (r|w|a ...)
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* @param boolean $force If true then the file will be re-opened even if its already opened, otherwise it won't
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* @return boolean True on success, false on failure
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::open
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*/
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public function open($mode = 'r', $force = false) {
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if (!$force && is_resource($this->handle)) {
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return true;
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}
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clearstatcache();
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if ($this->exists() === false) {
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if ($this->create() === false) {
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return false;
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}
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}
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$this->handle = fopen($this->path, $mode);
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if (is_resource($this->handle)) {
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return true;
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}
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return false;
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}
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/**
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* Return the contents of this File as a string.
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*
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* @param string $bytes where to start
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* @param string $mode A `fread` compatible mode.
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* @param boolean $force If true then the file will be re-opened even if its already opened, otherwise it won't
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* @return mixed string on success, false on failure
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::read
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*/
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public function read($bytes = false, $mode = 'rb', $force = false) {
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if ($bytes === false && $this->lock === null) {
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return file_get_contents($this->path);
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}
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if ($this->open($mode, $force) === false) {
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return false;
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}
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if ($this->lock !== null && flock($this->handle, LOCK_SH) === false) {
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return false;
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}
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if (is_int($bytes)) {
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return fread($this->handle, $bytes);
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}
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$data = '';
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while (!feof($this->handle)) {
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$data .= fgets($this->handle, 4096);
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}
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if ($this->lock !== null) {
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flock($this->handle, LOCK_UN);
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}
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if ($bytes === false) {
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$this->close();
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}
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return trim($data);
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}
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/**
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* Sets or gets the offset for the currently opened file.
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*
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* @param mixed $offset The $offset in bytes to seek. If set to false then the current offset is returned.
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* @param integer $seek PHP Constant SEEK_SET | SEEK_CUR | SEEK_END determining what the $offset is relative to
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* @return mixed True on success, false on failure (set mode), false on failure or integer offset on success (get mode)
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::offset
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*/
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public function offset($offset = false, $seek = SEEK_SET) {
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if ($offset === false) {
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if (is_resource($this->handle)) {
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return ftell($this->handle);
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}
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} elseif ($this->open() === true) {
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return fseek($this->handle, $offset, $seek) === 0;
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}
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return false;
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}
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/**
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* Prepares a ascii string for writing. Converts line endings to the
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* correct terminator for the current platform. If windows "\r\n" will be used
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* all other platforms will use "\n"
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*
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* @param string $data Data to prepare for writing.
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* @param boolean $forceWindows
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* @return string The with converted line endings.
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::prepare
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*/
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public static function prepare($data, $forceWindows = false) {
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$lineBreak = "\n";
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if (DIRECTORY_SEPARATOR == '\\' || $forceWindows === true) {
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$lineBreak = "\r\n";
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}
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return strtr($data, array("\r\n" => $lineBreak, "\n" => $lineBreak, "\r" => $lineBreak));
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}
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/**
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* Write given data to this File.
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*
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* @param string $data Data to write to this File.
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* @param string $mode Mode of writing. {@link http://php.net/fwrite See fwrite()}.
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* @param string $force force the file to open
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* @return boolean Success
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::write
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*/
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public function write($data, $mode = 'w', $force = false) {
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$success = false;
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if ($this->open($mode, $force) === true) {
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if ($this->lock !== null) {
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if (flock($this->handle, LOCK_EX) === false) {
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return false;
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}
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}
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if (fwrite($this->handle, $data) !== false) {
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$success = true;
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}
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if ($this->lock !== null) {
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flock($this->handle, LOCK_UN);
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}
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}
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return $success;
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}
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/**
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* Append given data string to this File.
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*
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* @param string $data Data to write
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* @param string $force force the file to open
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* @return boolean Success
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::append
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*/
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public function append($data, $force = false) {
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return $this->write($data, 'a', $force);
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}
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/**
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* Closes the current file if it is opened.
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*
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* @return boolean True if closing was successful or file was already closed, otherwise false
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::close
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*/
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public function close() {
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if (!is_resource($this->handle)) {
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return true;
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}
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return fclose($this->handle);
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}
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/**
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* Deletes the File.
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*
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* @return boolean Success
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::delete
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*/
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public function delete() {
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clearstatcache();
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if (is_resource($this->handle)) {
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fclose($this->handle);
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$this->handle = null;
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}
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if ($this->exists()) {
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return unlink($this->path);
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}
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return false;
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}
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/**
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* Returns the File info as an array with the following keys:
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*
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* - dirname
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* - basename
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* - extension
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* - filename
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* - filesize
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* - mime
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*
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* @return array File information.
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::info
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*/
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public function info() {
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if ($this->info == null) {
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$this->info = pathinfo($this->path);
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}
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if (!isset($this->info['filename'])) {
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$this->info['filename'] = $this->name();
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}
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if (!isset($this->info['filesize'])) {
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$this->info['filesize'] = $this->size();
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}
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if (!isset($this->info['mime'])) {
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$this->info['mime'] = $this->mime();
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}
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return $this->info;
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}
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/**
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* Returns the File extension.
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*
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* @return string The File extension
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::ext
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*/
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public function ext() {
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if ($this->info == null) {
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$this->info();
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}
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if (isset($this->info['extension'])) {
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return $this->info['extension'];
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}
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return false;
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}
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/**
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* Returns the File name without extension.
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*
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* @return string The File name without extension.
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::name
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*/
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public function name() {
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if ($this->info == null) {
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$this->info();
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}
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if (isset($this->info['extension'])) {
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return basename($this->name, '.' . $this->info['extension']);
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} elseif ($this->name) {
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return $this->name;
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}
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return false;
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}
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/**
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* makes filename safe for saving
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*
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* @param string $name The name of the file to make safe if different from $this->name
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* @param string $ext The name of the extension to make safe if different from $this->ext
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* @return string $ext the extension of the file
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::safe
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*/
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public function safe($name = null, $ext = null) {
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if (!$name) {
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$name = $this->name;
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}
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if (!$ext) {
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$ext = $this->ext();
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}
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return preg_replace( "/(?:[^\w\.-]+)/", "_", basename($name, $ext));
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}
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/**
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* Get md5 Checksum of file with previous check of Filesize
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*
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* @param mixed $maxsize in MB or true to force
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* @return string md5 Checksum {@link http://php.net/md5_file See md5_file()}
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::md5
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*/
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public function md5($maxsize = 5) {
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if ($maxsize === true) {
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return md5_file($this->path);
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}
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$size = $this->size();
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if ($size && $size < ($maxsize * 1024) * 1024) {
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return md5_file($this->path);
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}
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return false;
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}
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/**
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* Returns the full path of the File.
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*
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* @return string Full path to file
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::pwd
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*/
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public function pwd() {
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if (is_null($this->path)) {
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$this->path = $this->Folder->slashTerm($this->Folder->pwd()) . $this->name;
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}
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return $this->path;
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}
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/**
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* Returns true if the File exists.
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*
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* @return boolean true if it exists, false otherwise
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::exists
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*/
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public function exists() {
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return (file_exists($this->path) && is_file($this->path));
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}
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/**
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* Returns the "chmod" (permissions) of the File.
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*
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* @return string Permissions for the file
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::perms
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*/
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public function perms() {
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if ($this->exists()) {
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return substr(sprintf('%o', fileperms($this->path)), -4);
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}
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return false;
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}
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/**
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* Returns the Filesize
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*
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* @return integer size of the file in bytes, or false in case of an error
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::size
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*/
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public function size() {
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if ($this->exists()) {
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return filesize($this->path);
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}
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return false;
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}
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/**
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* Returns true if the File is writable.
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*
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* @return boolean true if its writable, false otherwise
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::writable
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*/
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public function writable() {
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return is_writable($this->path);
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}
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/**
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* Returns true if the File is executable.
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*
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* @return boolean true if its executable, false otherwise
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::executable
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*/
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public function executable() {
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return is_executable($this->path);
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}
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/**
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* Returns true if the File is readable.
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*
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* @return boolean true if file is readable, false otherwise
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::readable
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*/
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public function readable() {
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return is_readable($this->path);
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}
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/**
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* Returns the File's owner.
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*
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* @return integer the Fileowner
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::owner
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*/
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public function owner() {
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if ($this->exists()) {
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return fileowner($this->path);
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}
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return false;
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}
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/**
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* Returns the File's group.
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*
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* @return integer the Filegroup
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::group
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*/
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public function group() {
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if ($this->exists()) {
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return filegroup($this->path);
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}
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return false;
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}
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/**
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* Returns last access time.
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*
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* @return integer timestamp Timestamp of last access time
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::lastAccess
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*/
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public function lastAccess() {
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if ($this->exists()) {
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return fileatime($this->path);
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}
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return false;
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}
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/**
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* Returns last modified time.
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*
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* @return integer timestamp Timestamp of last modification
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::lastChange
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*/
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public function lastChange() {
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if ($this->exists()) {
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return filemtime($this->path);
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}
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return false;
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}
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/**
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|
* Returns the current folder.
|
|
*
|
|
* @return Folder Current folder
|
|
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::Folder
|
|
*/
|
|
public function &folder() {
|
|
return $this->Folder;
|
|
}
|
|
|
|
/**
|
|
* Copy the File to $dest
|
|
*
|
|
* @param string $dest destination for the copy
|
|
* @param boolean $overwrite Overwrite $dest if exists
|
|
* @return boolean Success
|
|
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::copy
|
|
*/
|
|
public function copy($dest, $overwrite = true) {
|
|
if (!$this->exists() || is_file($dest) && !$overwrite) {
|
|
return false;
|
|
}
|
|
return copy($this->path, $dest);
|
|
}
|
|
|
|
/**
|
|
* Get the mime type of the file. Uses the finfo extension if
|
|
* its available, otherwise falls back to mime_content_type
|
|
*
|
|
* @return false|string The mimetype of the file, or false if reading fails.
|
|
*/
|
|
public function mime() {
|
|
if (!$this->exists()) {
|
|
return false;
|
|
}
|
|
if (function_exists('finfo_open')) {
|
|
$finfo = finfo_open(FILEINFO_MIME);
|
|
list($type, $charset) = explode(';', finfo_file($finfo, $this->pwd()));
|
|
return $type;
|
|
} elseif (function_exists('mime_content_type')) {
|
|
return mime_content_type($this->pwd());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|